PubMed · 15238477
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Padmanabhan Badrinath. 2004-07-06. Elective cesarean section.. https://doi.org/10.1503/cmaj.1040493
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BACKGROUND: Prelabour rupture of membranes at term is managed expectantly or by elective birth, but it is not clear if waiting for birth to occur spontaneously is better than intervening. OBJECTIVES: To assess the effects of planned early birth versus expectant management for women with term prelabour rupture of membranes on fetal, infant and maternal wellbeing. SEARCH STRATEGY: We searched the Cochrane Pregnancy and Childbirth Group Trials Register (November 2004), the Cochrane Central Register of Controlled Trials (The Cochrane Library, Issue 4, 2004), MEDLINE (1966 to November 2004) and EMBASE (1974 to November 2004). SELECTION CRITERIA: Randomised or quasi-randomised trials of planned early birth compared with expectant management in women with prelabour rupture of membranes at 37 weeks' gestation or more. DATA COLLECTION AND ANALYSIS: Two review authors independently applied eligibility criteria, assessed trial quality and extracted data. A random-effects model was used. MAIN RESULTS: Twelve trials (total of 6814 women) were included. Planned management was generally induction with oxytocin or prostaglandin, with one trial using homoeopathic caulophyllum. Overall, no differences were detected for mode of birth between planned and expectant groups: relative risk (RR) of caesarean section 0.94, 95% confidence interval (CI) 0.82 to 1.08 (12 trials, 6814 women); RR of operative vaginal birth 0.98, 95% 0.84 to 1.16 (7 trials, 5511 women). Significantly fewer women in the planned compared with expectant management groups had chorioamnionitis (RR 0.74, 95% CI 0.56 to 0.97; 9 trials, 6611 women) or endometritis (RR 0.30, 95% CI 0.12 to 0.74; 4 trials, 445 women). No difference was seen for neonatal infection (RR 0.83, 95% CI 0.61 to 1.12; 9 trials, 6406 infants). However, fewer infants under planned management went to neonatal intensive or special care compared with expectant management (RR 0.72, 95% CI 0.57 to 0.92, number needed to treat 20; 5 trials, 5679 infants). In a single trial, significantly more women with planned management viewed their care more positively than those expectantly managed (RR of "nothing liked" 0.45, 95% CI 0.37 to 0.54; 5031 women). AUTHORS' CONCLUSIONS: Planned management (with methods such as oxytocin or prostaglandin) reduces the risk of some maternal infectious morbidity without increasing caesarean sections and operative vaginal births. Fewer infants went to neonatal intensive care under planned management although no differences were seen in neonatal infection rates. Since planned and expectant management may not be very different, women need to have appropriate information to make informed choices.
BACKGROUND: The "breakthrough series" on caesarean section was organised in Norway in 1998/99 in response to professional concerns about rising caesarean section rates and the public debate about the topic. The aim was to gain more information and to reduce the inter-hospital variation of caesarean section rates. MATERIAL AND METHODS: Detailed information about 3000 caesarean sections (70% of all caesarean sections in Norway during the study period of 7 months) was collected. Twenty-four departments participated and were involved in a quality-improvement process. RESULTS: In 1998 the caesarean section rate among the participating departments was 13.5% (inter-hospital variation 8.6% to 20.4%). In 2002 the rate was 15.7% (inter-hospital variation 11.0%-24.5%). The most frequent indications were fetal stress, prolonged labour, previous caesarean section, breech presentation and maternal request. Of the women with a previous caesarean section, 45.5% had a new caesarean section in their next pregnancy. Complications occurred in 21% of all procedures; risk factors were general anaesthesia, low gestational age, fetal macrosomia and degree of cervical dilation. INTERPRETATION: The project highlighted quality improvement work and interdisciplinary working processes and led to more knowledge about caesarean section. The inter-hospital variation was unchanged four years after the project.
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