Prone position effect in intensive care patients with SARS-COV-2 pneumonia
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Sandra Manuela Rebelo Oliveira
Abstract
Ventilation in the prone position (PP) has been used for decades in patients with acute respiratory distress syndrome (ARDS) and is associated with a reduction in mortality rate. Its application has been extended to patients with SARS-Cov-2 pneumonia and is recommended by the main international organizations. The objective is to evaluate the effects of PP on the outcomes of patients with SARS-Cov-2 pneumonia admitted to a multipurpose intensive care unit. This is a quantitative, quasi-experimental, single-group, longitudinal and retrospective study. Data were collected based on clinical records. Data were processed using SPSS (version 26.0). PP significantly increased oxygenation in patients with SARS-Cov-2 pneumonia, with a mean increase of 21.27% between the PaO2/FiO2 ratio before and after the PP. However, its effectiveness was inversely proportional to the number of cycles performed and the timing of orotracheal intubation. PP improves oxygenation in patients with SARS-Cov-2 pneumonia. However, multiple PP sessions are not beneficial, as this procedure is no longer effective after the fourth cycle. This study thus contributes to better management in the approach of critically ill patients with SARS-Cov-2 pneumonia.
1 Introduction
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which emerged as a new human pathogen in China in late 2019, is responsible for coronavirus disease 2019 (COVID-19), and is the seventh member of the human coronavirus family, causing symptoms such as cough and fever, severe pneumonia and death, assuming pandemic characteristics [1,2].
Approximately 5–20% of patients with SARS-Cov-2 pneumonia are admitted to intensive care units (ICUs), with a mortality rate between 26 and 61.5%. Most patients present respiratory failure and over 88% require invasive mechanical ventilation (IMV) [3,4]. Age, body mass index (BMI) > 25 kg/m2, as well as a history of oncological, cerebrovascular, chronic kidney disease, chronic obstructive pulmonary disease, diabetes mellitus (DM), heart diseases (cardiomyopathies, heart failure, coronary heart disease), hypertension, and smoking (past or present), among others, have been identified as risk factors associated with the development of severe disease [5].
Ventilation in the prone position (PP) has been used for decades in acute respiratory distress syndrome (ARDS) and is recommended by the main international health organizations as an alveolar recruitment maneuver to improve oxygenation [6], and is considered a safe strategy associated with a reduced mortality rate in patients with moderate to severe ARDS [6,7,8,9], according to the current Berlin definition [10].
Based on the pathophysiology and results of PP in patients with ARDS, its application was extended to patients with SARS-Cov-2 pneumonia and is recommended by the World Health Organization (WHO) and the Surviving Sepsis Campaign for a period of 12–16 h in patients under IMV with COVID-19 and moderate to severe ARDS [11,12]. In Portugal, the Sociedade Portuguesa de Cuidados Intensivos (SPCI) and the Infeção e Sépsis Group issued recommendations for the approach to COVID-19 in intensive care medicine, advising early PP if arterial oxygen pressure/inspired oxygen fraction (PaO2/FiO2) ratio <150 mmHg, for minimum periods of 16 h and with use of neuromuscular blockers (NMB) for ≤48 h if frequent dyssynchrony [13]. The pressure exerted by the pandemic has led health systems worldwide to develop strategies to manage available resources. In this context, studies have emerged recommending the extension of the duration of PP up to 36 h, arguing that there is an improvement in the PaO2/FiO2 ratio higher compared to conventional PP (16 h), remaining significantly higher in the return to dorsal decubitus (DD), with a reduction in the number of PP cycles performed [3,14]. The need to optimize resources led to the extension of the applicability of PP to awake patients under supplemental oxygen, high-flow oxygen therapy (HFO), and non-invasive ventilation (NIV), with improved oxygenation and with the advantage that it can be performed in an inpatient setting [15,16]. However, the literature is not consensual and there are studies showing that the response of these patients to PP is very varied and that the improvement in oxygenation obtained does not translate into clinical improvement or favorable radiological evolution, suggesting that PP does not offer more benefits than a transitory improvement in oxygenation [17,18]. Regarding the use of PP in conscious patients, the literature is equally controversial and there is no evidence that PP in these patients reduces the need for orotracheal intubation (OTI) and in some cases, there is a delay in OTI and increase in emergency OTI [3,19].
Based on these considerations and to improve the approach to patients with SARS-Cov-2 pneumonia in future situations, a research study was carried out at the Hospitalar Centre of Tâmega and Sousa (CHTS) Multipurpose Intensive Care Unit (MICU) with the aim of assessing the effects of PP on the outcomes of patients with SARS-Cov-2 pneumonia.
2 Methods
2.1 Type of study
This is a quantitative approach, quasi-experimental single-group, longitudinal and retrospective study.
2.2 Population and sample
The sampling method selected was non-probabilistic sampling by rational choice, with the individuals being selected according to a set of pre-defined inclusion criteria in order to represent the phenomenon under study, with the main limitation of this technique being less reliable than probabilistic methods when it comes to generalizing the results to our population [20].
Patients admitted to the MICU under study, diagnosed with SARS-Cov-2 pneumonia, and submitted to IMV and PP between March 23 and December 27, 2020 were included in the study. The application of the inclusion and exclusion criteria resulted in a sample of 52 patients.
The research followed all ethical principles, in accordance with the Helsinki standards, and the research was approved by the Ethics Committee of the CHTS.
2.3 Instrument for data collection
Data collection was carried out by consulting clinical files.
2.4 Operationalization and categorization of variables
The variables under study were divided into eight groups, namely:
Demographic data encompassing the variables: gender and age.
Clinical data, where the variables are inserted: BMI, diagnostic category, relevant antecedents, provenance and nursing manpower use (NMU).
Disease chronology, which covers the following variables: onset of symptoms, timing to MICU and timing to OTI.
Adjuvant therapies encompass the use of NMB, amines, tracheostomies and extracorporeal membrane oxygenation (ECMO).
PP characteristics include the variables: timing to first PP, number of PP cycles per patient and PP time.
Gasometric data including oxygenation translated by the PaO2/FiO2 ratio were assessed at three different moments: before PP (T0), during PP (T1) and after PP (T2 (at the return to the DD), by means of control gasometry collected 1–3 h before, during and after PP.
The response to PP was classified as follows: no response, poor response, good response and very good response, according to the evolution of the PaO2/FiO2 ratio before and after PP; patients who presented a mean PaO2/FiO2 ratio after PP lower than before PP were considered no responders to PP. In order to classify the response to PP, the mean percentage of variation between the PaO2/FiO2 ratio before and after PP was assessed; a variation below the mean was considered a poor response to PP [19]; a variation between the mean and twice the mean was considered a good response and a very good response when the variation in the PaO2/FiO2 ratio before and after PP was more than twice the mean variation.
2.5 Data analysis
For data processing, a database was built in the Statistical Program for Data Processing in Social Sciences (SPSS, version 26.0), in which they were edited, considering a type I error probability (α) of 0.05. Data were analyzed using descriptive statistics by calculating the absolute and relative frequencies for all variables and the measures of central tendency and dispersion for the ratio measurement level variables. In addition, inferential statistics was performed using the ANOVA test of repeated measurements to assess the significance of the effectiveness of the positioning in PP on the PaO2/FiO2 ratio and the evolution of this ratio in the three moments under analysis. Multivariate analysis using an ordinal regression model was also used to test the influence of independent variables (demographic variables, relevant clinical history, disease chronology and PP characteristics) on the dependent variable “response to PP.” Then, the Kruskal–Wallis test was used to compare the means of ordination of the categories of the dependent variables (duration of IMV and length of stay in the MICU) according to the response to PP. Finally, we used the χ 2 test to check for statistical differences between the response to PP regarding the incidence of tracheostomy and mortality rate.
3 Results
From the total sample (n = 52 patients), there was a predominance of males (57.7%), with a mean age of 63.9 ± 10.2 years (Δ42–83). Most patients (69.2%) had relevant clinical history, the most frequent being hypertension (HT) (77.8%), DM (47.2%) and obesity (38.5%); the mean BMI was 28.86 ± 5.27 (Δ20–44.4). The mean NMU of these patients was 31.54 ± 3.61.
The onset of symptoms appeared on average 6.6 ± 3.9 days before hospital admission, and they were transferred to the MICU at 2.5 ± 3(2) days of admission.
In the MICU, OTI was performed within the first 15.3 ± 30.3(1) h after admission. Patients remained ventilated for a mean period of 13 ± 9.7 days, with a mean stay in the MICU of 15.9 ± 11 days. Almost all patients (98.1%) required NMB, 98.1% required aminergic support, 5.8% were transferred to other hospital units and submitted to extracorporeal oxygenation membrane (ECMO) and 17.3% were tracheostomized. The mortality rate was 50%.
The first PP cycle occurred, on average, 45.7 ± 61.2(21) h after OTI. Each patient performed an average of 2.8 ± 1.6 cycles, lasting 20.5 ± 3.7 h.
The mean PaO2/FiO2 ratio before starting PP was 115.6 ± 38.2 in PP of 159.1 ± 65.4 and after undoing PP of 140.1 ± 48.9. It was found that 23.1% of the patients did not respond to PP, 26.9% had a poor response, 23.1% had a good response and 26.9% had a very good response. The mean variation between PaO2/FiO2 before and after PP was 21.27%.
The inferential analysis showed that oxygenation differs significantly between the three moments of assessment of patients undergoing PP, observing significant differences between the mean PaO2/FiO2 ratios before, during and after PP until the third cycle of PP (Table 1).
Repeated measures ANOVA test to compare the mean of the PaO2/FiO2 ratio at three assessment times, Penafiel, Portugal, 2020 (N = 52)
Dependent variables | Cycle N PP | Mean ± dp | Z | p | Eta partial square | Power observed |
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P/F (T0) | 1 | 112.59 ± 38.24 | 21.198 | 0.000 | 0.306 | 1.000 |
P/F (T1) | 168.06 ± 69.9 | |||||
P/F (T2) | 156.98 ± 46.96 | |||||
P/F (T0) | 2 | 130.85 ± 34.31 | 8.46 | 0.001 | 0.204 | 0.959 |
P/F (T1) | 168.50 ± 64.93 | |||||
P/F (T2) | 145.79 ± 48.94 | |||||
P/F (T0) | 3 | 117.35 ± 27.05 | 13.831 | 0.000 | 0.386 | 0.997 |
P/F (T1) | 167.17 ± 59.55 | |||||
P/F (T2) | 135 ± 38.50 | |||||
P/F (T0) | 4 | 117.71 ± 34.39 | 3.827 | 0.35 | 0.227 | 0.643 |
P/F (T1) | 141.5 ± 43.58 | |||||
P/F (T2) | 120.29 ± 54.61 | |||||
P/F (T0) | 5 | 84.67 ± 46.1 | 0.336 | 0.72 | 0.46 | 0.093 |
P/F (T1) | 100.5 ± 42.5 | |||||
P/F (T2) | 102.87 ± 50.71 | |||||
P/F (T0) | 6 | 78 ± 15.38 | 5.7 | 0.06 | 0.66 | 0.640 |
P/F (T1) | 122.25 ± 42.74 | |||||
P/F (T2) | 86 ± 21.21 |
Cycle N PP – number of cycles of PP; dp – standard deviation; Z-test value; p – likelihood; Eta partial square – effect size; T0 – before PP, T1 – during PP, T2 – after PP (on return to DD).
Regarding the effects of PP characteristics and disease chronology on the response to PP, an adjusted ordinal model was found to be equal to −0.456 for the number of PP cycles, and −0.020 for the timing to OTI, i.e. the response to PP is inversely proportional to the number of PP cycles and the timing to OTI. For the remaining variables of disease chronology and PP characteristics, there was no ordinal adjusted model (p > 0.05). According to the model, as the timing to OTI and the number of cycles of PP increase, the probability values of a higher response to PP are 0.036 and 0.009, respectively (Table 2).
Ordinal regression model for parameter estimation relevant to demographic variables and clinical background under the response to PP, Penafiel, Portugal, 2020 (N = 52)
Variables | Estimate | Standard deviation | X 2 Wald | df | p | Confidence interval 95% |
---|---|---|---|---|---|---|
No reply to PP | 4.227 | 3.981 | 1.127 | 1 | 0.288 | [−3.576; 12.031] |
Poor response to PP | 5.687 | 4.026 | 1.996 | 1 | 0.158 | [−2.203; 13.577] |
Good response to PP | 6.943 | 4.059 | 2.926 | 1 | 0.087 | [−1.012; 14.898] |
No smoking | 2.219 | 1.028 | 4.660 | 1 | 0.031 | [0.204; 4.234] |
df – degrees of freedom; p – probability.
The model is statistically significant (χ 2 = 13.914; p = 0.031), and the effect size is small (McFadden = 0.097; NagelKerke = 0.251; Cox and Snell = 0.235). Regarding the influence of demographic variables and relevant clinical history on the response to PP, an ordinal adjusted model (= +2.219, no Smoking) was found. For the remaining demographic variables and relevant clinical history, an ordinal adjusted model was not found (p > 0.05). According to the model, as the proportion of patients with no history of smoking increases, the probability of observing a higher response to PP is 0.031 (Table 3).
Ordinal regression model for estimates of the parameter’s chronology of illness and PP characteristics under the response to PP, Penafiel, Portugal, 2020 (N = 52)
Variables | Estimate | Standard deviation | X2 Wald | df | p | Confidence interval 95% |
---|---|---|---|---|---|---|
No reply to PP | −0.324 | 1.634 | 0.039 | 1 | 0.843 | [−3.526; 2.879] |
Poor response to PP | 1.105 | 1.636 | 0.456 | 1 | 0.500 | [−2.102; 4.311] |
Good response to PP | 2.293 | 1.663 | 1.901 | 1 | 0.168 | [−0.966; 5.551] |
Timing to EOT | −0.020 | 0.009 | 4.379 | 1 | 0.036 | [−0.038; −0.001] |
No. of PP cycles | −0.456 | 0.175 | 6.750 | 1 | 0.009 | [−0.800; −0.112] |
df – degrees of freedom; p – probability.
However, the model is not statistically significant (χ 2 = 16.340; p = 0.219) and the effect size is small (McFadden = 0.114; NagelKerke = 0.288; Cox and Snell = 0.270).
Finally, regarding the outcome of patients, we found that the mean scores for the duration of IMV and length of stay in the MICU of patients with different responses to PP did not differ significantly (p = 0.123 and 0.263) (Table 4).
Kruskal–Wallis test to compare the mean rank of IMV time and length of stay of patients in the MICU according to the response to PP, Penafiel, Portugal, 2020 (N = 52)
Dependent variable | Response to PP | N | Mean rank | Test value | df | p |
---|---|---|---|---|---|---|
IMV time | No | 12 | 22.33 | KW = 5.782 | 3 | 0.123 |
Weak | 14 | 30.07 | ||||
Good | 12 | 32.17 | ||||
Very good | 14 | 21.64 | ||||
Length of stay in MICU | No | 12 | 21.58 | KW = 3.989 | 3 | 0.263 |
Weak | 14 | 29.57 | ||||
Good | 12 | 30.38 | ||||
Very good | 14 | 24.32 |
KW – Kruskal–Wallis.
There were also no statistically significant differences regarding the incidence of tracheostomy and mortality (χ 2: p ≥ 0.172; 0.148) (Table 5).
χ 2 test for differences between the proportions of the categories of nominal dependent variables of hypothesis H4 as a function of response to PP, Penafiel, Portugal, 2020 (N = 52)
Dependent variables | Response to PP | n | Test value | df | p | |||
---|---|---|---|---|---|---|---|---|
No | Weak | Good | Very good | |||||
Tracheostomy | ||||||||
No AR | 11 (91.7%) | 9 (64.3%) | 10 (83.3%) | 13 (92.9%) | 43 | χ 2 = 5.004 | 3 | 0.172a |
0.9 | −2.1 | −0.1 | −1.2 | |||||
Yes AR | 1 (8.3%) | 5 (35.7%) | 2 (16.7%) | 1 (7.1%) | 9 | |||
−0.9 | 2.1 | −0.1 | −1.2 | |||||
Result | ||||||||
Deceased AR | 9 (75%) | 8 (57.1%) | 6 (50%) | 3 (21.4%) | 26 | 9.482 | 6 | 0.148ª |
2 | 0.6 | 0 | −2.5 | |||||
Hospital transfer AR | 1 (8.3%) | 0 (0.0%) | 1 (8.3%) | 1 (8.3%) | 3 | |||
0.4 | −1.1 | 0.4 | 0.3 | |||||
Improved AR | 2 (16.7%) | 6 (42.9%) | 5 (41.7%) | 10 (71.4%) | 23 | |||
−2.2 | −0.1 | −0.2 | 2.4 |
n – absolute frequency; df – degrees of freedom; p – probability; AR – adjusted residual; a – Pearson’s Chi-square test.
It should be noted that PP was performed by maintaining hemodynamic stability, and there was only a slight increase in the mean arterial pressure (MAP) and heart rate (HR) after PP. A total of 143 PP were performed, with complications arising in only 16.2% of the PP performed, which mainly occurred in the first and second PP cycles, the most frequent being edema of the face/eyes/lips (39.1%), followed by pressure ulcers (PU) (30.4%).
4 Discussion
The profile of patients who developed a severe disease and underwent PP is in line with that described in the literature, being characterized by elderly male patients, with a clinical history of HT, DM and obesity, with a high nursing workload index [2,12,15,16,19]. With regard to gender, although the current knowledge is still very limited, some studies point out that male patients with SARS-cov-2 pneumonia tend to have a higher mortality rate [21,22]. However, the response to PP does not seem to be influenced by gender. However, in conscious patients who underwent PP, it was considered a favorable procedure predominantly by females (73% females versus 56.5% males), which seems to be related to differences in literacy and educational attainment [22].
The PP was performed according to recommendations [4,9,10,11,12] at the time in force, with the first PP cycle occurring 45.7 ± 61.2(21) h after OTI, with each patient performing an average of 2.8 ± 1.6 cycles lasting 20.5 ± 3.7 h. The mean PaO2/FiO2 ratio before starting PP was 115.6 ± 38.2; at PP, the ratio was 159.1 ± 65.4 and after undoing PP, the ratio was 140.1 ± 48.9, showing an improvement of oxygenation with PP. The mean increase between PaO2/FiO2 before and after PP was 21.27%. In other studies on the subject, PP was also associated with improvement in oxygenation [6,14,23,24], with a mean variation between PaO2/FiO2 before and after PP higher than that observed in this study (49%) [21], maintaining the improvement of oxygenation on return to the DD, starting PP earlier, with a mean PaO2/FiO2 ratio before starting the PP of 150 (IQR, 125–183), in PP of 232 (IQR, 174–304) and after undoing PP of 217 (IQR, 149–263), performing each patient 2 (3–5) sessions of PP with an average of 18 h (IQR, 16–22 h) per session[4], 3 cycles been necessary with about 36 h in other studies [3].
As expected and observed in other studies, PP was found to improve the PaO2/FiO2 ratio in patients with SARS-Cov-2 pneumonia [4,6,14,21,24,25]. However, significant differences between mean PaO2/FiO2 ratios before, during and after PP are only observed up to the third PP cycle. From the fourth cycle onwards, the PaO2/FiO2 ratio (T0) starts decreasing and PP is not sufficient to reverse hypoxia. It was found that the response to PP is inversely proportional to the number of PP cycles and OTI timing. In other studies, it was found that by prolonging the stay in PP up to 36 h, a reduction in the number of cycles of PP was achieved, which translated into an improvement in the PaO2/FiO2 ratio, which was perpetuated upon the return to DD [23]. Other authors found, through a systematic review of literature, that PP improved oxygenation in patients under IMV, from the second cycle and in prolonged episodes of PP [26] but no study refers to the decrease in the efficacy of PP with the increase in the number of cycles, nor to the underlying mechanisms.
Despite the high incidence of relevant clinical history and demographic differences observed as a function of response to PP, contrary to expectations, it was found that the response to PP is not influenced by these variables. On the other hand, it was observed that response to PP did not influence the patient outcome, with no significant differences in IMV time, length of stay, incidence of tracheostomy and mortality. Although these results differ from what was expected for this study, other researchers also observed that 80% of patients had improved oxygenation with PP, although there was no correlation between this improvement and clinical improvement [4], with only a trend toward a non-significant reduction in mortality (OR: 0.76; 95% CI: 0.54–1.06; p = 0.11, I2 63%) [8].
It should be noted that PP was performed without hemodynamic repercussions, with complications occurring in only 16.2% of the PP performed, suggesting that it is safe to be performed.
This study characterized patients with SARS-Cov-2 pneumonia, described the use of PP as an alveolar recruitment maneuver in these situations and characterized the response to PP based on its effects on oxygenation to understand the influence of demographic variables, relevant clinical history and disease chronology, as well to analyze their impact on patient outcomes.
The results observed have implications for the care of critically ill patients with SARS-Cov-2 pneumonia because, in addition to having demonstrated that PP is a safe procedure that improves oxygenation in these patients, it also showed that multiple PP sessions are not beneficial. Alternative treatments should be considered for patients requiring more than three cycles of PP, and it is essential to avoid delaying OTI in order to improve the response to PP.
Acknowledgments
We would like to thank the hospital centre for their support.
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Funding information: This study had the financial support of CIEC (Research Centre on Child Studies), by the Strategic Project UID/CED/00317/2013, through the National Funds through the FCT (Foundation for Science and Technology) and co-financed by European Regional Development Funds (FEDER) through the Competitiveness and Internationalization Operational Program (POCI) with the reference POCI-01-0145-FEDER-007562. This study also had the financial support of Tâmega and Sousa Hospital Center, Penafiel, Portugal.
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Author contributions: Study conception and design: SMRO, AF, PS. Data collection: SMRO, AF, PS. Data analysis and interpretation: SMRO, AASC. Drafting of the article: SMRO, AASC. Critical revision of the article: CP, MGC, AASC.
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Conflict of interest: There is no conflict of interest. One of the authors (AASC) is an editor with Open Medicine but this did not affect the peer review process, and we were not aware of who the peer reviewers were.
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Data availability statement: The datasets generated during and/or analyzed during the current study are available from the author Sandra Oliveira on reasonable request.
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© 2023 the author(s), published by De Gruyter
This work is licensed under the Creative Commons Attribution 4.0 International License.
Artikel in diesem Heft
- Research Articles
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- Erratum
- Erratum to “Inhibition of miR-21 improves pulmonary vascular responses in bronchopulmonary dysplasia by targeting the DDAH1/ADMA/NO pathway”
- Erratum to: “Fer exacerbates renal fibrosis and can be targeted by miR-29c-3p”
- Retraction
- Retraction of “Study to compare the effect of casirivimab and imdevimab, remdesivir, and favipiravir on progression and multi-organ function of hospitalized COVID-19 patients”
- Retraction of “circ_0062491 alleviates periodontitis via the miR-142-5p/IGF1 axis”
- Retraction of “miR-223-3p alleviates TGF-β-induced epithelial-mesenchymal transition and extracellular matrix deposition by targeting SP3 in endometrial epithelial cells”
- Retraction of “SLCO4A1-AS1 mediates pancreatic cancer development via miR-4673/KIF21B axis”
- Retraction of “circRNA_0001679/miR-338-3p/DUSP16 axis aggravates acute lung injury”
- Retraction of “lncRNA ACTA2-AS1 inhibits malignant phenotypes of gastric cancer cells”
- Special issue Linking Pathobiological Mechanisms to Clinical Application for cardiovascular diseases
- Effect of cardiac rehabilitation therapy on depressed patients with cardiac insufficiency after cardiac surgery
- Special issue The evolving saga of RNAs from bench to bedside - Part I
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- Special Issue Computational Intelligence Methodologies Meets Recurrent Cancers - Part III
- Development of a machine learning-based signature utilizing inflammatory response genes for predicting prognosis and immune microenvironment in ovarian cancer
Artikel in diesem Heft
- Research Articles
- Exosomes derived from mesenchymal stem cells overexpressing miR-210 inhibits neuronal inflammation and contribute to neurite outgrowth through modulating microglia polarization
- Current situation of acute ST-segment elevation myocardial infarction in a county hospital chest pain center during an epidemic of novel coronavirus pneumonia
- circ-IARS depletion inhibits the progression of non-small-cell lung cancer by circ-IARS/miR-1252-5p/HDGF ceRNA pathway
- circRNA ITGA7 restrains growth and enhances radiosensitivity by up-regulating SMAD4 in colorectal carcinoma
- WDR79 promotes aerobic glycolysis of pancreatic ductal adenocarcinoma (PDAC) by the suppression of SIRT4
- Up-regulation of collagen type V alpha 2 (COL5A2) promotes malignant phenotypes in gastric cancer cell via inducing epithelial–mesenchymal transition (EMT)
- Inhibition of TERC inhibits neural apoptosis and inflammation in spinal cord injury through Akt activation and p-38 inhibition via the miR-34a-5p/XBP-1 axis
- 3D-printed polyether-ether-ketone/n-TiO2 composite enhances the cytocompatibility and osteogenic differentiation of MC3T3-E1 cells by downregulating miR-154-5p
- Propofol-mediated circ_0000735 downregulation restrains tumor growth by decreasing integrin-β1 expression in non-small cell lung cancer
- PVT1/miR-16/CCND1 axis regulates gastric cancer progression
- Silencing of circ_002136 sensitizes gastric cancer to paclitaxel by targeting the miR-16-5p/HMGA1 axis
- Short-term outcomes after simultaneous gastrectomy plus cholecystectomy in gastric cancer: A pooling up analysis
- SCARA5 inhibits oral squamous cell carcinoma via inactivating the STAT3 and PI3K/AKT signaling pathways
- Molecular mechanism by which the Notch signaling pathway regulates autophagy in a rat model of pulmonary fibrosis in pigeon breeder’s lung
- lncRNA TPT1-AS1 promotes cell migration and invasion in esophageal squamous-cell carcinomas by regulating the miR-26a/HMGA1 axis
- SIRT1/APE1 promotes the viability of gastric cancer cells by inhibiting p53 to suppress ferroptosis
- Glycoprotein non-metastatic melanoma B interacts with epidermal growth factor receptor to regulate neural stem cell survival and differentiation
- Treatments for brain metastases from EGFR/ALK-negative/unselected NSCLC: A network meta-analysis
- Association of osteoporosis and skeletal muscle loss with serum type I collagen carboxyl-terminal peptide β glypeptide: A cross-sectional study in elder Chinese population
- circ_0000376 knockdown suppresses non-small cell lung cancer cell tumor properties by the miR-545-3p/PDPK1 pathway
- Delivery in a vertical birth chair supported by freedom of movement during labor: A randomized control trial
- UBE2J1 knockdown promotes cell apoptosis in endometrial cancer via regulating PI3K/AKT and MDM2/p53 signaling
- Metabolic resuscitation therapy in critically ill patients with sepsis and septic shock: A pilot prospective randomized controlled trial
- Lycopene ameliorates locomotor activity and urinary frequency induced by pelvic venous congestion in rats
- UHRF1-induced connexin26 methylation is involved in hearing damage triggered by intermittent hypoxia in neonatal rats
- LINC00511 promotes melanoma progression by targeting miR-610/NUCB2
- Ultra-high-performance liquid chromatography-tandem mass spectrometry analysis of serum metabolomic characteristics in people with different vitamin D levels
- Role of Jumonji domain-containing protein D3 and its inhibitor GSK-J4 in Hashimoto’s thyroiditis
- circ_0014736 induces GPR4 to regulate the biological behaviors of human placental trophoblast cells through miR-942-5p in preeclampsia
- Monitoring of sirolimus in the whole blood samples from pediatric patients with lymphatic anomalies
- Effects of osteogenic growth peptide C-terminal pentapeptide and its analogue on bone remodeling in an osteoporosis rat model
- A novel autophagy-related long non-coding RNAs signature predicting progression-free interval and I-131 therapy benefits in papillary thyroid carcinoma
- WGCNA-based identification of potential targets and pathways in response to treatment in locally advanced breast cancer patients
- Radiomics model using preoperative computed tomography angiography images to differentiate new from old emboli of acute lower limb arterial embolism
- Dysregulated lncRNAs are involved in the progress of myocardial infarction by constructing regulatory networks
- Single-arm trial to evaluate the efficacy and safety of baclofen in treatment of intractable hiccup caused by malignant tumor chemotherapy
- Genetic polymorphisms of MRPS30-DT and NINJ2 may influence lung cancer risk
- Efficacy of immune checkpoint inhibitors in patients with KRAS-mutant advanced non-small cell lung cancer: A retrospective analysis
- Pyroptosis-based risk score predicts prognosis and drug sensitivity in lung adenocarcinoma
- Upregulation of lncRNA LANCL1-AS1 inhibits the progression of non-small-cell lung cancer via the miR-3680-3p/GMFG axis
- CircRANBP17 modulated KDM1A to regulate neuroblastoma progression by sponging miR-27b-3p
- Exosomal miR-93-5p regulated the progression of osteoarthritis by targeting ADAMTS9
- Downregulation of RBM17 enhances cisplatin sensitivity and inhibits cell invasion in human hypopharyngeal cancer cells
- HDAC5-mediated PRAME regulates the proliferation, migration, invasion, and EMT of laryngeal squamous cell carcinoma via the PI3K/AKT/mTOR signaling pathway
- The association between sleep duration, quality, and nonalcoholic fatty liver disease: A cross-sectional study
- Myostatin silencing inhibits podocyte apoptosis in membranous nephropathy through Smad3/PKA/NOX4 signaling pathway
- A novel long noncoding RNA AC125257.1 facilitates colorectal cancer progression by targeting miR-133a-3p/CASC5 axis
- Impact of omicron wave and associated control measures in Shanghai on health management and psychosocial well-being of patients with chronic conditions
- Clinicopathological characteristics and prognosis of young patients aged ≤45 years old with non-small cell lung cancer
- TMT-based comprehensive proteomic profiling identifies serum prognostic signatures of acute myeloid leukemia
- The dose limits of teeth protection for patients with nasopharyngeal carcinoma undergoing radiotherapy based on the early oral health-related quality of life
- miR-30b-5p targeting GRIN2A inhibits hippocampal damage in epilepsy
- Long non-coding RNA AL137789.1 promoted malignant biological behaviors and immune escape of pancreatic carcinoma cells
- IRF6 and FGF1 polymorphisms in non-syndromic cleft lip with or without cleft palate in the Polish population
- Comprehensive analysis of the role of SFXN family in breast cancer
- Efficacy of bronchoscopic intratumoral injection of endostar and cisplatin in lung squamous cell carcinoma patients underwent conventional chemoradiotherapy
- Silencing of long noncoding RNA MIAT inhibits the viability and proliferation of breast cancer cells by promoting miR-378a-5p expression
- AG1024, an IGF-1 receptor inhibitor, ameliorates renal injury in rats with diabetic nephropathy via the SOCS/JAK2/STAT pathway
- Downregulation of KIAA1199 alleviated the activation, proliferation, and migration of hepatic stellate cells by the inhibition of epithelial–mesenchymal transition
- Exendin-4 regulates the MAPK and WNT signaling pathways to alleviate the osteogenic inhibition of periodontal ligament stem cells in a high glucose environment
- Inhibition of glycolysis represses the growth and alleviates the endoplasmic reticulum stress of breast cancer cells by regulating TMTC3
- The function of lncRNA EMX2OS/miR-653-5p and its regulatory mechanism in lung adenocarcinoma
- Tectorigenin alleviates the apoptosis and inflammation in spinal cord injury cell model through inhibiting insulin-like growth factor-binding protein 6
- Ultrasound examination supporting CT or MRI in the evaluation of cervical lymphadenopathy in patients with irradiation-treated head and neck cancer
- F-box and WD repeat domain containing 7 inhibits the activation of hepatic stellate cells by degrading delta-like ligand 1 to block Notch signaling pathway
- Knockdown of circ_0005615 enhances the radiosensitivity of colorectal cancer by regulating the miR-665/NOTCH1 axis
- Long noncoding RNA Mhrt alleviates angiotensin II-induced cardiac hypertrophy phenotypes by mediating the miR-765/Wnt family member 7B pathway
- Effect of miR-499-5p/SOX6 axis on atrial fibrosis in rats with atrial fibrillation
- Cholesterol induces inflammation and reduces glucose utilization
- circ_0004904 regulates the trophoblast cell in preeclampsia via miR-19b-3p/ARRDC3 axis
- NECAB3 promotes the migration and invasion of liver cancer cells through HIF-1α/RIT1 signaling pathway
- The poor performance of cardiovascular risk scores in identifying patients with idiopathic inflammatory myopathies at high cardiovascular risk
- miR-2053 inhibits the growth of ovarian cancer cells by downregulating SOX4
- Nucleophosmin 1 associating with engulfment and cell motility protein 1 regulates hepatocellular carcinoma cell chemotaxis and metastasis
- α-Hederin regulates macrophage polarization to relieve sepsis-induced lung and liver injuries in mice
- Changes of microbiota level in urinary tract infections: A meta-analysis
- Identification of key enzalutamide-resistance-related genes in castration-resistant prostate cancer and verification of RAD51 functions
- Falls during oxaliplatin-based chemotherapy for gastrointestinal malignancies – (lessons learned from) a prospective study
- Outcomes of low-risk birth care during the Covid-19 pandemic: A cohort study from a tertiary care center in Lithuania
- Vitamin D protects intestines from liver cirrhosis-induced inflammation and oxidative stress by inhibiting the TLR4/MyD88/NF-κB signaling pathway
- Integrated transcriptome analysis identifies APPL1/RPS6KB2/GALK1 as immune-related metastasis factors in breast cancer
- Genomic analysis of immunogenic cell death-related subtypes for predicting prognosis and immunotherapy outcomes in glioblastoma multiforme
- Circular RNA Circ_0038467 promotes the maturation of miRNA-203 to increase lipopolysaccharide-induced apoptosis of chondrocytes
- An economic evaluation of fine-needle cytology as the primary diagnostic tool in the diagnosis of lymphadenopathy
- Midazolam impedes lung carcinoma cell proliferation and migration via EGFR/MEK/ERK signaling pathway
- Network pharmacology combined with molecular docking and experimental validation to reveal the pharmacological mechanism of naringin against renal fibrosis
- PTPN12 down-regulated by miR-146b-3p gene affects the malignant progression of laryngeal squamous cell carcinoma
- miR-141-3p accelerates ovarian cancer progression and promotes M2-like macrophage polarization by targeting the Keap1-Nrf2 pathway
- lncRNA OIP5-AS1 attenuates the osteoarthritis progression in IL-1β-stimulated chondrocytes
- Overexpression of LINC00607 inhibits cell growth and aggressiveness by regulating the miR-1289/EFNA5 axis in non-small-cell lung cancer
- Subjective well-being in informal caregivers during the COVID-19 pandemic
- Nrf2 protects against myocardial ischemia-reperfusion injury in diabetic rats by inhibiting Drp1-mediated mitochondrial fission
- Unfolded protein response inhibits KAT2B/MLKL-mediated necroptosis of hepatocytes by promoting BMI1 level to ubiquitinate KAT2B
- Bladder cancer screening: The new selection and prediction model
- circNFATC3 facilitated the progression of oral squamous cell carcinoma via the miR-520h/LDHA axis
- Prone position effect in intensive care patients with SARS-COV-2 pneumonia
- Clinical observation on the efficacy of Tongdu Tuina manipulation in the treatment of primary enuresis in children
- Dihydroartemisinin ameliorates cerebral I/R injury in rats via regulating VWF and autophagy-mediated SIRT1/FOXO1 pathway
- Knockdown of circ_0113656 assuages oxidized low-density lipoprotein-induced vascular smooth muscle cell injury through the miR-188-3p/IGF2 pathway
- Low Ang-(1–7) and high des-Arg9 bradykinin serum levels are correlated with cardiovascular risk factors in patients with COVID-19
- Effect of maternal age and body mass index on induction of labor with oral misoprostol for premature rupture of membrane at term: A retrospective cross-sectional study
- Potential protective effects of Huanglian Jiedu Decoction against COVID-19-associated acute kidney injury: A network-based pharmacological and molecular docking study
- Clinical significance of serum MBD3 detection in girls with central precocious puberty
- Clinical features of varicella-zoster virus caused neurological diseases detected by metagenomic next-generation sequencing
- Collagen treatment of complex anorectal fistula: 3 years follow-up
- LncRNA CASC15 inhibition relieves renal fibrosis in diabetic nephropathy through down-regulating SP-A by sponging to miR-424
- Efficacy analysis of empirical bismuth quadruple therapy, high-dose dual therapy, and resistance gene-based triple therapy as a first-line Helicobacter pylori eradication regimen – An open-label, randomized trial
- SMOC2 plays a role in heart failure via regulating TGF-β1/Smad3 pathway-mediated autophagy
- A prospective cohort study of the impact of chronic disease on fall injuries in middle-aged and older adults
- circRNA THBS1 silencing inhibits the malignant biological behavior of cervical cancer cells via the regulation of miR-543/HMGB2 axis
- hsa_circ_0000285 sponging miR-582-3p promotes neuroblastoma progression by regulating the Wnt/β-catenin signaling pathway
- Long non-coding RNA GNAS-AS1 knockdown inhibits proliferation and epithelial–mesenchymal transition of lung adenocarcinoma cells via the microRNA-433-3p/Rab3A axis
- lncRNA UCA1 regulates miR-132/Lrrfip1 axis to promote vascular smooth muscle cell proliferation
- Twenty-four-color full spectrum flow cytometry panel for minimal residual disease detection in acute myeloid leukemia
- Hsa-miR-223-3p participates in the process of anthracycline-induced cardiomyocyte damage by regulating NFIA gene
- Anti-inflammatory effect of ApoE23 on Salmonella typhimurium-induced sepsis in mice
- Analysis of somatic mutations and key driving factors of cervical cancer progression
- Hsa_circ_0028007 regulates the progression of nasopharyngeal carcinoma through the miR-1179/SQLE axis
- Variations in sexual function after laparoendoscopic single-site hysterectomy in women with benign gynecologic diseases
- Effects of pharmacological delay with roxadustat on multi-territory perforator flap survival in rats
- Analysis of heroin effects on calcium channels in rat cardiomyocytes based on transcriptomics and metabolomics
- Risk factors of recurrent bacterial vaginosis among women of reproductive age: A cross-sectional study
- Alkbh5 plays indispensable roles in maintaining self-renewal of hematopoietic stem cells
- Study to compare the effect of casirivimab and imdevimab, remdesivir, and favipiravir on progression and multi-organ function of hospitalized COVID-19 patients
- Correlation between microvessel maturity and ISUP grades assessed using contrast-enhanced transrectal ultrasonography in prostate cancer
- The protective effect of caffeic acid phenethyl ester in the nephrotoxicity induced by α-cypermethrin
- Norepinephrine alleviates cyclosporin A-induced nephrotoxicity by enhancing the expression of SFRP1
- Effect of RUNX1/FOXP3 axis on apoptosis of T and B lymphocytes and immunosuppression in sepsis
- The function of Foxp1 represses β-adrenergic receptor transcription in the occurrence and development of bladder cancer through STAT3 activity
- Risk model and validation of carbapenem-resistant Klebsiella pneumoniae infection in patients with cerebrovascular disease in the ICU
- Calycosin protects against chronic prostatitis in rats via inhibition of the p38MAPK/NF-κB pathway
- Pan-cancer analysis of the PDE4DIP gene with potential prognostic and immunotherapeutic values in multiple cancers including acute myeloid leukemia
- The safety and immunogenicity to inactivated COVID-19 vaccine in patients with hyperlipemia
- Circ-UBR4 regulates the proliferation, migration, inflammation, and apoptosis in ox-LDL-induced vascular smooth muscle cells via miR-515-5p/IGF2 axis
- Clinical characteristics of current COVID-19 rehabilitation outpatients in China
- Luteolin alleviates ulcerative colitis in rats via regulating immune response, oxidative stress, and metabolic profiling
- miR-199a-5p inhibits aortic valve calcification by targeting ATF6 and GRP78 in valve interstitial cells
- The application of iliac fascia space block combined with esketamine intravenous general anesthesia in PFNA surgery of the elderly: A prospective, single-center, controlled trial
- Elevated blood acetoacetate levels reduce major adverse cardiac and cerebrovascular events risk in acute myocardial infarction
- The effects of progesterone on the healing of obstetric anal sphincter damage in female rats
- Identification of cuproptosis-related genes for predicting the development of prostate cancer
- Lumican silencing ameliorates β-glycerophosphate-mediated vascular smooth muscle cell calcification by attenuating the inhibition of APOB on KIF2C activity
- Targeting PTBP1 blocks glutamine metabolism to improve the cisplatin sensitivity of hepatocarcinoma cells through modulating the mRNA stability of glutaminase
- A single center prospective study: Influences of different hip flexion angles on the measurement of lumbar spine bone mineral density by dual energy X-ray absorptiometry
- Clinical analysis of AN69ST membrane continuous venous hemofiltration in the treatment of severe sepsis
- Antibiotics therapy combined with probiotics administered intravaginally for the treatment of bacterial vaginosis: A systematic review and meta-analysis
- Construction of a ceRNA network to reveal a vascular invasion associated prognostic model in hepatocellular carcinoma
- A pan-cancer analysis of STAT3 expression and genetic alterations in human tumors
- A prognostic signature based on seven T-cell-related cell clustering genes in bladder urothelial carcinoma
- Pepsin concentration in oral lavage fluid of rabbit reflux model constructed by dilating the lower esophageal sphincter
- The antihypertensive felodipine shows synergistic activity with immune checkpoint blockade and inhibits tumor growth via NFAT1 in LUSC
- Tanshinone IIA attenuates valvular interstitial cells’ calcification induced by oxidized low density lipoprotein via reducing endoplasmic reticulum stress
- AS-IV enhances the antitumor effects of propofol in NSCLC cells by inhibiting autophagy
- Establishment of two oxaliplatin-resistant gallbladder cancer cell lines and comprehensive analysis of dysregulated genes
- Trial protocol: Feasibility of neuromodulation with connectivity-guided intermittent theta-burst stimulation for improving cognition in multiple sclerosis
- LncRNA LINC00592 mediates the promoter methylation of WIF1 to promote the development of bladder cancer
- Factors associated with gastrointestinal dysmotility in critically ill patients
- Mechanisms by which spinal cord stimulation intervenes in atrial fibrillation: The involvement of the endothelin-1 and nerve growth factor/p75NTR pathways
- Analysis of two-gene signatures and related drugs in small-cell lung cancer by bioinformatics
- Silencing USP19 alleviates cigarette smoke extract-induced mitochondrial dysfunction in BEAS-2B cells by targeting FUNDC1
- Menstrual irregularities associated with COVID-19 vaccines among women in Saudi Arabia: A survey during 2022
- Ferroptosis involves in Schwann cell death in diabetic peripheral neuropathy
- The effect of AQP4 on tau protein aggregation in neurodegeneration and persistent neuroinflammation after cerebral microinfarcts
- Activation of UBEC2 by transcription factor MYBL2 affects DNA damage and promotes gastric cancer progression and cisplatin resistance
- Analysis of clinical characteristics in proximal and distal reflux monitoring among patients with gastroesophageal reflux disease
- Exosomal circ-0020887 and circ-0009590 as novel biomarkers for the diagnosis and prediction of short-term adverse cardiovascular outcomes in STEMI patients
- Upregulated microRNA-429 confers endometrial stromal cell dysfunction by targeting HIF1AN and regulating the HIF1A/VEGF pathway
- Bibliometrics and knowledge map analysis of ultrasound-guided regional anesthesia
- Knockdown of NUPR1 inhibits angiogenesis in lung cancer through IRE1/XBP1 and PERK/eIF2α/ATF4 signaling pathways
- D-dimer trends predict COVID-19 patient’s prognosis: A retrospective chart review study
- WTAP affects intracranial aneurysm progression by regulating m6A methylation modification
- Using of endoscopic polypectomy in patients with diagnosed malignant colorectal polyp – The cross-sectional clinical study
- Anti-S100A4 antibody administration alleviates bronchial epithelial–mesenchymal transition in asthmatic mice
- Prognostic evaluation of system immune-inflammatory index and prognostic nutritional index in double expressor diffuse large B-cell lymphoma
- Prevalence and antibiogram of bacteria causing urinary tract infection among patients with chronic kidney disease
- Reactive oxygen species within the vaginal space: An additional promoter of cervical intraepithelial neoplasia and uterine cervical cancer development?
- Identification of disulfidptosis-related genes and immune infiltration in lower-grade glioma
- A new technique for uterine-preserving pelvic organ prolapse surgery: Laparoscopic rectus abdominis hysteropexy for uterine prolapse by comparing with traditional techniques
- Self-isolation of an Italian long-term care facility during COVID-19 pandemic: A comparison study on care-related infectious episodes
- A comparative study on the overlapping effects of clinically applicable therapeutic interventions in patients with central nervous system damage
- Low intensity extracorporeal shockwave therapy for chronic pelvic pain syndrome: Long-term follow-up
- The diagnostic accuracy of touch imprint cytology for sentinel lymph node metastases of breast cancer: An up-to-date meta-analysis of 4,073 patients
- Mortality associated with Sjögren’s syndrome in the United States in the 1999–2020 period: A multiple cause-of-death study
- CircMMP11 as a prognostic biomarker mediates miR-361-3p/HMGB1 axis to accelerate malignant progression of hepatocellular carcinoma
- Analysis of the clinical characteristics and prognosis of adult de novo acute myeloid leukemia (none APL) with PTPN11 mutations
- KMT2A maintains stemness of gastric cancer cells through regulating Wnt/β-catenin signaling-activated transcriptional factor KLF11
- Evaluation of placental oxygenation by near-infrared spectroscopy in relation to ultrasound maturation grade in physiological term pregnancies
- The role of ultrasonographic findings for PIK3CA-mutated, hormone receptor-positive, human epidermal growth factor receptor-2-negative breast cancer
- Construction of immunogenic cell death-related molecular subtypes and prognostic signature in colorectal cancer
- Long-term prognostic value of high-sensitivity cardiac troponin-I in patients with idiopathic dilated cardiomyopathy
- Establishing a novel Fanconi anemia signaling pathway-associated prognostic model and tumor clustering for pediatric acute myeloid leukemia patients
- Integrative bioinformatics analysis reveals STAT2 as a novel biomarker of inflammation-related cardiac dysfunction in atrial fibrillation
- Adipose-derived stem cells repair radiation-induced chronic lung injury via inhibiting TGF-β1/Smad 3 signaling pathway
- Real-world practice of idiopathic pulmonary fibrosis: Results from a 2000–2016 cohort
- lncRNA LENGA sponges miR-378 to promote myocardial fibrosis in atrial fibrillation
- Diagnostic value of urinary Tamm-Horsfall protein and 24 h urine osmolality for recurrent calcium oxalate stones of the upper urinary tract: Cross-sectional study
- The value of color Doppler ultrasonography combined with serum tumor markers in differential diagnosis of gastric stromal tumor and gastric cancer
- The spike protein of SARS-CoV-2 induces inflammation and EMT of lung epithelial cells and fibroblasts through the upregulation of GADD45A
- Mycophenolate mofetil versus cyclophosphamide plus in patients with connective tissue disease-associated interstitial lung disease: Efficacy and safety analysis
- MiR-1278 targets CALD1 and suppresses the progression of gastric cancer via the MAPK pathway
- Metabolomic analysis of serum short-chain fatty acid concentrations in a mouse of MPTP-induced Parkinson’s disease after dietary supplementation with branched-chain amino acids
- Cimifugin inhibits adipogenesis and TNF-α-induced insulin resistance in 3T3-L1 cells
- Predictors of gastrointestinal complaints in patients on metformin therapy
- Prescribing patterns in patients with chronic obstructive pulmonary disease and atrial fibrillation
- A retrospective analysis of the effect of latent tuberculosis infection on clinical pregnancy outcomes of in vitro fertilization–fresh embryo transferred in infertile women
- Appropriateness and clinical outcomes of short sustained low-efficiency dialysis: A national experience
- miR-29 regulates metabolism by inhibiting JNK-1 expression in non-obese patients with type 2 diabetes mellitus and NAFLD
- Clinical features and management of lymphoepithelial cyst
- Serum VEGF, high-sensitivity CRP, and cystatin-C assist in the diagnosis of type 2 diabetic retinopathy complicated with hyperuricemia
- ENPP1 ameliorates vascular calcification via inhibiting the osteogenic transformation of VSMCs and generating PPi
- Significance of monitoring the levels of thyroid hormone antibodies and glucose and lipid metabolism antibodies in patients suffer from type 2 diabetes
- The causal relationship between immune cells and different kidney diseases: A Mendelian randomization study
- Interleukin 33, soluble suppression of tumorigenicity 2, interleukin 27, and galectin 3 as predictors for outcome in patients admitted to intensive care units
- Identification of diagnostic immune-related gene biomarkers for predicting heart failure after acute myocardial infarction
- Long-term administration of probiotics prevents gastrointestinal mucosal barrier dysfunction in septic mice partly by upregulating the 5-HT degradation pathway
- miR-192 inhibits the activation of hepatic stellate cells by targeting Rictor
- Diagnostic and prognostic value of MR-pro ADM, procalcitonin, and copeptin in sepsis
- Review Articles
- Prenatal diagnosis of fetal defects and its implications on the delivery mode
- Electromagnetic fields exposure on fetal and childhood abnormalities: Systematic review and meta-analysis
- Characteristics of antibiotic resistance mechanisms and genes of Klebsiella pneumoniae
- Saddle pulmonary embolism in the setting of COVID-19 infection: A systematic review of case reports and case series
- Vitamin C and epigenetics: A short physiological overview
- Ebselen: A promising therapy protecting cardiomyocytes from excess iron in iron-overloaded thalassemia patients
- Aspirin versus LMWH for VTE prophylaxis after orthopedic surgery
- Mechanism of rhubarb in the treatment of hyperlipidemia: A recent review
- Surgical management and outcomes of traumatic global brachial plexus injury: A concise review and our center approach
- The progress of autoimmune hepatitis research and future challenges
- METTL16 in human diseases: What should we do next?
- New insights into the prevention of ureteral stents encrustation
- VISTA as a prospective immune checkpoint in gynecological malignant tumors: A review of the literature
- Case Reports
- Mycobacterium xenopi infection of the kidney and lymph nodes: A case report
- Genetic mutation of SLC6A20 (c.1072T > C) in a family with nephrolithiasis: A case report
- Chronic hepatitis B complicated with secondary hemochromatosis was cured clinically: A case report
- Liver abscess complicated with multiple organ invasive infection caused by hematogenous disseminated hypervirulent Klebsiella pneumoniae: A case report
- Urokinase-based lock solutions for catheter salvage: A case of an upcoming kidney transplant recipient
- Two case reports of maturity-onset diabetes of the young type 3 caused by the hepatocyte nuclear factor 1α gene mutation
- Immune checkpoint inhibitor-related pancreatitis: What is known and what is not
- Does total hip arthroplasty result in intercostal nerve injury? A case report and literature review
- Clinicopathological characteristics and diagnosis of hepatic sinusoidal obstruction syndrome caused by Tusanqi – Case report and literature review
- Synchronous triple primary gastrointestinal malignant tumors treated with laparoscopic surgery: A case report
- CT-guided percutaneous microwave ablation combined with bone cement injection for the treatment of transverse metastases: A case report
- Malignant hyperthermia: Report on a successful rescue of a case with the highest temperature of 44.2°C
- Anesthetic management of fetal pulmonary valvuloplasty: A case report
- Rapid Communication
- Impact of COVID-19 lockdown on glycemic levels during pregnancy: A retrospective analysis
- Erratum
- Erratum to “Inhibition of miR-21 improves pulmonary vascular responses in bronchopulmonary dysplasia by targeting the DDAH1/ADMA/NO pathway”
- Erratum to: “Fer exacerbates renal fibrosis and can be targeted by miR-29c-3p”
- Retraction
- Retraction of “Study to compare the effect of casirivimab and imdevimab, remdesivir, and favipiravir on progression and multi-organ function of hospitalized COVID-19 patients”
- Retraction of “circ_0062491 alleviates periodontitis via the miR-142-5p/IGF1 axis”
- Retraction of “miR-223-3p alleviates TGF-β-induced epithelial-mesenchymal transition and extracellular matrix deposition by targeting SP3 in endometrial epithelial cells”
- Retraction of “SLCO4A1-AS1 mediates pancreatic cancer development via miR-4673/KIF21B axis”
- Retraction of “circRNA_0001679/miR-338-3p/DUSP16 axis aggravates acute lung injury”
- Retraction of “lncRNA ACTA2-AS1 inhibits malignant phenotypes of gastric cancer cells”
- Special issue Linking Pathobiological Mechanisms to Clinical Application for cardiovascular diseases
- Effect of cardiac rehabilitation therapy on depressed patients with cardiac insufficiency after cardiac surgery
- Special issue The evolving saga of RNAs from bench to bedside - Part I
- FBLIM1 mRNA is a novel prognostic biomarker and is associated with immune infiltrates in glioma
- Special Issue Computational Intelligence Methodologies Meets Recurrent Cancers - Part III
- Development of a machine learning-based signature utilizing inflammatory response genes for predicting prognosis and immune microenvironment in ovarian cancer