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Malignant pleural effusion (MPE) is a common condition that presents with progressive breathlessness. Long term solutions are often required due to recurrence of effusion after simple drainage. Pleurodesis is one of the main options resorted to for long term control of MPE. There is data to suggest there may be a survival benefit for patients with MPE who achieve successful pleurodesis. A systematic review was carried out to explore this correlation and results suggest that there could be a survival difference according to pleurodesis outcome in patients with MPE. Fifteen studies (reported in 13 papers) were included; 13 (86.6%) of the studies showed survival difference in favour of pleurodesis success. The median [interquartile range] difference in survival between the two groups among the different studies was five [3.5–5.8] months. Most of the included studies suffered moderate to severe risk of bias and, thus, large prospective studies of patients undergoing pleurodesis are required to ascertain this effect.

Objectives Corona virus-induced disease 19 (COVID-19) pandemic has globally affected the surgical treatment of cancer patients and has challenged the ethical principles of surgical oncologists around the world. Not only treatment but also diagnosis and follow-up have been disrupted. Methods An online survey was sent through Twitter and by the surgical societies worldwide. The survey consisted of 29 closed-ended questions and was conducted over a period of 24 days beginning in March 26, 2020. Results Overall, 394 surgical oncologists from 41 different countries answered the questionnaire. The predominant guiding principle was “saving lives” 240 (62%), and the different aspects of lock-down found hence large support (mean 7.1–9.3 out of 10). Shut-down of elective surgery and modification of cancer care found a mean support of 7.0 ± 3.0 and 5.8 ± 3.1, respectively. Modification of cancer care longer than two weeks was considered unacceptable to 114 (29%) responders. Hundred and fifty six (40%) and 138 (36%) expect “return to normal” beyond six months for surgical practice and cancer care, respectively. Conclusions Surgical oncologists show strong and long-lasting support for lock-down measures aiming to save lives. The impact of the pandemic on surgical oncology is perceived controversially, but the majority was forced already now to accept what is inacceptable for many of their colleagues.

Objectives The National Mesothelioma Audit 2020 showed Northumbria to have low rates of histopathological confirmation, treatment and one-year survival rates for malignant pleural mesothelioma (MPM). We hypothesized that an internal analysis over a 10-year period provides valuable insights into presentation, diagnosis, treatment and outcomes. Methods A single-centre retrospective case series of all confirmed MPM patients between 1 January 2009 and 31 December 2019 was performed. Demographics, clinical, radiological and histopathological characteristics and outcomes were collected. Statistical analysis was performed using SPSS V26.0. Results A total of 247 patients had MPM. About 86% were male, mean age 75.7 years. Dyspnoea (77.4%) and chest pain (38.5%) were commonest symptoms. 64.9 and 71.4% had pleural thickening and effusion, respectively. About 86.8% had at least one attempt to obtain a tissue biopsy, but histopathological confirmation in only 108 (43.7%). About 66.3% with PS 0 and 1 (62.7% of total cohort) had at least one anti-cancer therapy. Death within 12 months was associated with disease progression within 6 months (p≤0.001). Chemotherapy (p≤0.001) and epithelioid histological subtype (p=0.01) were protective. Conclusions This study confirms known epidemiology of MPM, demonstrates variability in practices and highlights how some NMA recommendations are not met. This provides the incentive for a regional mesothelioma multi-disciplinary meeting. Highlights – The National Mesothelioma Audit (NMA) shows clear variance in care in the United Kingdom –The North East of England has high rates of mesothelioma, and clinical parameters are in line with known epidemiology – Multiple regression showed disease progression within 6 months (p≤0.001), chemotherapy (p≤0.001) and epithelioid histological subtype (p=0.01) were significant predictors of death within 12 months (R 2 =0.61, p≤0.001). – The set-up of a Regional Mesothelioma MDT will help meet NMA recommendations

Objectives The aim of this retrospective study is to assess the incidence of morbidity and mortality related to cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) and to evaluate their predictors, in patients with peritoneal metastasis of ovarian origin. Methods A retrospective multicenter study was carried out investigating results from eight Italian institutions. A total of 276 patients met inclusion criteria. Predictors of morbidity and mortality were evaluated with univariate and multivariate analysis. Results Overall morbidity was 71.4%, and severe complications occurred in 23.9% of the sample; 60-day mortality was 4.3%. According to univariate logistic regression models, grade 3–4 morbidity was related to Peritoneal Cancer Index (PCI) (OR 1.06; 95% CI 1.02–1.09; p<0.001), number of intraoperative blood transfusions (OR 1.21; 95% CI 1.10–1.34; p<0.001), Completeness of Cytoreduction (CC) score (OR 1.68; 95% CI 1.16–2.44; p=0.006) and number of anastomoses (OR 1.32; 95% CI 1.00–1.73; p=0.046). However, at the multivariate logistic regression analysis, only the number of intraoperative blood transfusions (OR 1.17; 95% CI 1.5–1.30; p=0.004) and PCI (OR 1.04; 95% CI 1.01–1.08; p=0.010) resulted as key predictors of severe morbidity. Furthermore, using multivariate logistic regression model, ECOG score (OR 2.45; 95% CI 1.21–4.93; p=0.012) and the number of severe complications (OR 2.16; 95% CI 1.03–4.52; p=0.042) were recorded as predictors of exitus within 60 days. Conclusions The combination of CRS and HIPEC for treating peritoneal metastasis of ovarian origin has acceptable morbidity and mortality and, therefore, it can be considered as an option in selected patients.

Objectives Open abdomen technique with negative pressure therapy (NPT) is widely used in patients with severe abdominal sepsis. The aim of this study was to evaluate cytokine clearance in serum and peritoneal fluid during NPT. Methods This prospective pilot study included six patients with severe abdominal sepsis requiring discontinuity resection and NPT for 48 h followed by planned reoperation. Cytokines (IL6, IL8, IL10, TNFalpha, and IL1beta) were measured in the serum and peritoneal fluid during index operation, on postoperative days 0, 1, and 2. Results Concentrations of cytokines in peritoneal fluid were higher than in serum. IL10 showed a clearance both in serum (to 16.6%, p=0.019) and peritoneal fluid (to 40.9%, p=0.014). IL6 cleared only in serum (to 24.7%, p=0.001) with persistently high levels in peritoneal fluid. IL8 remained high in both serum and peritoneal fluid. TNFalpha and IL1beta were both low in serum with wide range of high peritoneal concentrations. Only TNFalpha in peritoneal fluid showed significant differences between patients with ischemia vs. perforation (p=0.006). Conclusions The present pilot study suggests that cytokines display distinct patterns of clearance or persistence in the peritoneal fluid and serum over the first 48 h of treatment in severe abdominal sepsis with NPT.

Objectives To assess the risk perception and the uptake of measures preventing environment-related risks in the operating room (OR) during hyperthermic intraperitoneal chemotherapy (HIPEC) and pressurized intraperitoneal aerosol chemotherapy (PIPAC). Methods A multicentric, international survey among OR teams in high-volume HIPEC and PIPAC centers: Surgeons (Surg), Scrub nurses (ScrubN), Anesthesiologists (Anest), Anesthesiology nurses (AnesthN), and OR Cleaning staff (CleanS). Scores extended from 0–10 (maximum). Results Ten centers in six countries participated in the study (response rate 100%). Two hundred and eleven responses from 68 Surg (32%), 49 ScrubN (23%), 45 Anest (21%), 31 AnesthN (15%), and 18 CleanS (9%) were gathered. Individual uptake of protection measures was 51.4%, similar among professions and between HIPEC and PIPAC. Perceived levels of protection were 7.57 vs. 7.17 for PIPAC and HIPEC, respectively (p<0.05), with Anesth scoring the lowest (6.81). Perceived contamination risk was 4.19 for HIPEC vs. 3.5 for PIPAC (p<0.01). Information level was lower for CleanS and Anesth for HIPEC and PIPAC procedures compared to all other responders (6.48 vs. 4.86, and 6.48 vs. 5.67, p<0.01). Willingness to obtain more information was 86%, the highest among CleanS (94%). Conclusions Experience with the current practice of safety protocols was similar during HIPEC and PIPAC. The individual uptake of protection measures was rather low. The safety perception was better for PIPAC, but the perceived level of protection remained relatively low. The willingness to obtain more information was high. Intensified, standardized training of all OR team members involved in HIPEC and PIPAC is meaningful.