The Australian & New Zealand journal of obstetrics & gynaecology · 2023
Safety of performing classical versus low transverse caesarean sections in extremely preterm and very preterm births: Maternal and neonatal complications.
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Lau Max C, Tanaka Keisuke, Amoako Akwasi, Rudra Thangeswaran
Аннотация
AIMS: Improved survivability of extremely preterm infants has led to increased rates of caesarean sections. Short-term maternal and neonatal risks of classical caesarean sections (CCS) in the context of extreme prematurity remain unclear. The aim was to examine maternal and neonatal complications associated with CCSs versus low transverse caesarean sections (LTCS) at extremely preterm (23 0/7-27 6/7 weeks) and very preterm gestational ages (28 0/7-31 6/7 weeks).
METHODS: A retrospective cohort study was conducted at Royal Brisbane and Womens Hospital, Queensland, Australia between 2016 and 2020. Maternal and neonatal outcomes were examined using univariate and multivariate statistical analysis.
RESULTS: CCSs (extremely preterm: n = 93; very preterm: n = 83) were associated with higher estimated blood loss than LTCS (extremely preterm: n = 70; very preterm: n = 287) in very preterm births (CCS: 638 ± 410 mL; LTCS: 556 ± 397 mL; P = 0.01). There was no significant difference in composite maternal outcomes between CCS and LTCS for extremely preterm (adjusted odds ratio (aOR): 1.11; 95% confidence interval (CI): 0.58-2.12; P = 0.75) or very preterm births (aOR: 1.08; 95% CI: 0.63-1.94; P = 0.79) after accounting for multiple pregnancy, placenta accreta and non-cephalic fetal presentations. Although CCSs were associated with lower Apgar scores at 1 min post-birth than LTCSs at very preterm gestational ages (CCS: 5.58 ± 2.10; LTCS: 6.25 ± 2.14; P = 0.02), there was no statistical difference in the rates of intraoperative neonatal injuries or composite outcomes when corrected for low birth weight.
CONCLUSION: Short-term maternal and neonatal outcomes do not significantly differ between CCS and LTCS for extremely preterm or very preterm births.
METHODS: A retrospective cohort study was conducted at Royal Brisbane and Womens Hospital, Queensland, Australia between 2016 and 2020. Maternal and neonatal outcomes were examined using univariate and multivariate statistical analysis.
RESULTS: CCSs (extremely preterm: n = 93; very preterm: n = 83) were associated with higher estimated blood loss than LTCS (extremely preterm: n = 70; very preterm: n = 287) in very preterm births (CCS: 638 ± 410 mL; LTCS: 556 ± 397 mL; P = 0.01). There was no significant difference in composite maternal outcomes between CCS and LTCS for extremely preterm (adjusted odds ratio (aOR): 1.11; 95% confidence interval (CI): 0.58-2.12; P = 0.75) or very preterm births (aOR: 1.08; 95% CI: 0.63-1.94; P = 0.79) after accounting for multiple pregnancy, placenta accreta and non-cephalic fetal presentations. Although CCSs were associated with lower Apgar scores at 1 min post-birth than LTCSs at very preterm gestational ages (CCS: 5.58 ± 2.10; LTCS: 6.25 ± 2.14; P = 0.02), there was no statistical difference in the rates of intraoperative neonatal injuries or composite outcomes when corrected for low birth weight.
CONCLUSION: Short-term maternal and neonatal outcomes do not significantly differ between CCS and LTCS for extremely preterm or very preterm births.