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Intrapartum and neonatal mortality among low-risk women in midwife-led versus obstetrician-led care in the Amsterdam region of the Netherlands: a propensity score matched study.

ABSTRACT: OBJECTIVE:To compare intrapartum and neonatal mortality in low-risk term women starting labour in midwife-led versus obstetrician-led care. STUDY DESIGN:We performed a propensity score matched study using data from our national perinatal register, completed with data from medical files. We studied women without major risk factors with singleton pregnancies who gave birth at term between 2005 and 2008 in the Amsterdam region of the Netherlands. Major risk factors comprised non-vertex position of the fetus, previous Caesarean birth, hypertension, (gestational) diabetes mellitus, post-term pregnancy (?42 weeks), prolonged rupture of membranes (>24?hours), vaginal bleeding in the second half of pregnancy or induced labour. Groups were devided by midwife-led versus obstetrician-led care at the onset of labour. The primary outcome was intrapartum and neonatal (<28 days) mortality. Secondary outcomes included obstetric interventions, 5 min Apgar scores<7?and neonatal intensive care admittance for >24?hours. RESULTS:We studied 57?396 women. Perinatal mortality occurred in 30 of 46 764 (0.64‰) women in midwife-led care and in 2 of 10 632 (0.19‰) women in obstetrician-led care (OR 3.4, 95%?CI 0.82 to 14.3). A propensity score matched analysis in a 1:1 ratio with 10?632 women per group revealed an OR for perinatal mortality of 4.0 (95% CI 0.85 to 18.9). CONCLUSION:Among low-risk women, midwife-led care at the onset of labour was associated with a statistically non-significant higher mortality rate.

SUBMITTER: Wiegerinck MMJ

PROVIDER: S-EPMC5781008 | biostudies-other | 2018 Jan

REPOSITORIES: biostudies-other

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Intrapartum and neonatal mortality among low-risk women in midwife-led versus obstetrician-led care in the Amsterdam region of the Netherlands: a propensity score matched study.

Wiegerinck Melanie M J MMJ van der Goes Birgit Y BY Ravelli Anita C J ACJ van der Post Joris A M JAM Buist Fayette C D FCD Tamminga Pieter P Mol Ben W BW

BMJ open 20180105 1

<h4>Objective</h4>To compare intrapartum and neonatal mortality in low-risk term women starting labour in midwife-led versus obstetrician-led care.<h4>Study design</h4>We performed a propensity score matched study using data from our national perinatal register, completed with data from medical files. We studied women without major risk factors with singleton pregnancies who gave birth at term between 2005 and 2008 in the Amsterdam region of the Netherlands. Major risk factors comprised non-vert ...[more]

PMID: 29306890

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Project description:Background: Elevated intrapartum temperature has been widely proven to be associated with adverse clinical outcomes in both mothers and neonates. Histological chorioamnionitis (HCA), the inflammation of chorion and amniotic membranes, is commonly observed in those with elevated intrapartum temperature. Thus, we aimed to explore whether the combination of HCA would further affect the pregnancy outcomes in those with intrapartum temperature ≥ 37.5°C. Methods: This retrospective cohort study was conducted at the International Peace Maternity and Child Health Hospital (IPMCH), including all full-term women with intrapartum temperature ≥ 37.5°C from Jan 2017 to Jan 2019. Patients were divided in to HCA group or control group according to placental pathology results, and we used 1:1 propensity score matching (PSM) to reduce the effects of potential confounding factors between the two groups. Univariate and multivariable logistic regression were used to identify the association between HCA and different adverse maternal and neonatal outcomes. Results: We formed a propensity-score matched cohort containing 464 women in each group. Higher positive rate of mycoplasma (14.01% vs. 7.33%, p = 0.001) was found in the vaginal secretion culture of women in the HCA group. After adjusting for various baseline clinical characteristics, women with HCA were more likely to end their delivery by cesarean section (AOR = 1.55, 95% CI: 1.05-2.28), and puerperal morbidity (AOR = 2.77, 95% CI: 1.44-5.33) as well as prolonged hospitalization (AOR = 1.56, 95% CI: 1.12-2.17) were more likely to be observed in the HCA group. The existence of HCA might also be associated with neonatal sepsis (AOR = 2.83, 95% CI: 1.14-7.04) and NICU admission (AOR = 1.40, 95% CI: 1.04-1.87) in newborns. In the study on the impact of different stages of HCA, we found that both maternal and neonatal outcomes would not be affected by mild HCA (stage I), while HCA of stage III was associated with increased need for neonatal respiratory support and elevated likelihood of prolonged hospitalization in neonates. Conclusions: Elevated intrapartum temperature complicated by HCA might be related to the elevated occurrence of several adverse maternal and neonatal outcomes, except those with HCA of stage I. Advanced HCA stage correlated with a worse prognosis.

Project description:BackgroundThe aim of this study was to assess the prospective, longitudinal outcome after arthroscopically assisted open reduction and internal fixation (AORIF) and to compare the results with open reduction and internal fixation (ORIF) in complex ankle fractures.MethodsAcute, closed, bimalleolar equivalent, bimalleolar, or trimalleolar ankle fractures were included. The AORIF cohort was enrolled prospectively. The ORIF group was identified from a retrospective database. The same inclusion and exclusion criteria were applied. The only difference was the additional arthroscopy in the AORIF cohort. The patient-reported outcome measurement (PROM) following AORIF was assessed at 1 and 4 years of follow-up using the Olerud and Molander Ankle Score (OMAS) and Tegner activity scale (TAS). The AORIF cohort was propensity score matched (nearest-neighbor matching) to the ORIF database. The OMAS and Foot and Ankle Ability Measure (FAAM) were compared between the resulting groups. Nonparametric statistics were applied; values are presented as median (interquartile range). Twenty-six AORIF patients had a prospective 4-year follow-up.ResultsNo significant differences (1 year vs 4 years) were identified for the OMAS (90 [10] vs 90 [11]) and TAS (4 [2] vs 5 [2]). The severity of the cartilage lesions (International Cartilage Repair Society [ICRS] grade <4 vs ICRS of 4) had no significant influence on the PROMs. Twenty-five patients per cohort (AORIF vs ORIF) were matched. The OMAS (90 [13] vs 75 [40]; P = .008) and FAAM Activities of Daily Living (ADL; 96 [11] vs 88 [30]; P = .034) revealed significantly better outcomes for AORIF. More patients in the AORIF cohort returned to sport (96% vs 77%; P = .035), with a higher FAAM Sports score (88 [37] vs 56 [47]; P = .008).ConclusionAORIF for complex ankle fractures led to consistently good to excellent results. The propensity score-matched analysis revealed a significantly better outcome 4 years after surgery for AORIF compared with ORIF.Level of evidenceLevel III, retrospective comparative study.

Dataset Information

Intrapartum and neonatal mortality among low-risk women in midwife-led versus obstetrician-led care in the Amsterdam region of the Netherlands: a propensity score matched study.

Publications

Intrapartum and neonatal mortality among low-risk women in midwife-led versus obstetrician-led care in the Amsterdam region of the Netherlands: a propensity score matched study.

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