Outcome of isolated fetal renal pyelectasis diagnosed during midtrimester screening ultrasound and cut-off value to predict a persistent or progressive pyelectasis in utero
-
Moon-Kyung Kim
, Min-Ji Kim , Jung-Joo An , Hyun-Hwa Cha , Suk-Joo Choi, Soo-Young Oh
, Cheong-Rae Roh und Jong-Hwa Kim
Abstract
Aim: To define a better cut-off value of the renal pelvis anteroposterior diameter (RPAPD) to predict persistent or progressive pyelectasis during pregnancy.
Methods: We retrospectively reviewed 8873 women whose fetal RPAPD was measured. Midtrimester pyelectasis was defined as a RPAPD of ≥4 mm. Persistent/progressive pyelectasis was defined as a RPAPD of ≥10 mm before delivery. A RPAPD cut-off value to predict a persistent/progressive pyelectasis was determined by receiver operating characteristic curve analysis.
Results: Among 249 isolated cases of pyelectasis, persistent/progressive pyelectasis was found in 6.9% before delivery. The midtrimester RPAPD cut-off value that best predicted persistent/progressive pyelectasis before delivery was ≥6 mm with sensitivity, specificity, positive and negative predictive values of 64.3%, 88.7%, 30.0%, and 97.1%, respectively.
Conclusions: Although most cases of midtrimester fetal pyelectasis regress to normal during pregnancy, those with a RPAPD of ≥6 mm in the midtrimester are at higher risk for persistent or progressive pyelectasis.
References
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The authors stated that there are no conflicts of interest regarding the publication of this article.
©2013 by Walter de Gruyter Berlin Boston
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Artikel in diesem Heft
- Masthead
- Masthead
- Review article
- Anxious and depressive components of Edinburgh Postnatal Depression Scale in maternal postpartum psychological problems1)
- Original Articles – Obstetrics
- Isolated low-normal amniotic fluid volume in the early third trimester: association with adverse perinatal outcomesa
- Trends in twin pregnancies and mode of delivery during the last 30 years: inconsistency between guidelines and clinical practice
- Prenatal care in adult women exposed to childhood sexual abuse
- Maternal and fetal adropin levels in gestational diabetes mellitus
- Ethnic disparities in perinatal mortality at 40 and 41 weeks of gestation
- Polymorphisms in the activin A receptor type 2A gene affect the onset time and severity of preeclampsia in the Turkish population
- Outcome of isolated fetal renal pyelectasis diagnosed during midtrimester screening ultrasound and cut-off value to predict a persistent or progressive pyelectasis in utero
- A polymorphism in an autophagy-related gene, ATG16L1, influences time to delivery in women with an unfavorable cervix who require labor induction
- Management of gestational hypertension – the impact of HYPITATa
- Reliability of quantitative elastography of the uterine cervix in at-term pregnancies
- Congenital anomalies, prematurity, and low birth weight rates in relation to nuclear power plant proximity1)
- Original Articles – Fetus
- Fetal magnetic resonance imaging of lymphangiomas
- Original Articles – Newborn
- Brainstem dysgenesis during the neonatal period: diagnosis and management
- Improving admission temperature in extremely low birth weight infants: a hospital-based multi-intervention quality improvement project
- Short Communication
- Periconceptional use of folic acid and risk of miscarriage – findings of the Oral Cleft Prevention Program in Brazil
- Congress Calendar
- Congress Calendar