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- Akselsson, Anna, et al.
(författare)
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Mindfetalness to increase women's awareness of fetal movements and pregnancy outcomes: a cluster-randomised controlled trial including 39 865 women
- 2020
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Ingår i: Bjog-an International Journal of Obstetrics and Gynaecology. - : Wiley. - 1470-0328 .- 1471-0528. ; 127:7, s. 829-837
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Tidskriftsartikel (refereegranskat)abstract
- Objective To examine whether a method for raising women's awareness of fetal movements, Mindfetalness, can affect pregnancy outcomes. Design Cluster-randomised controlled trial. Setting Sixty-seven maternity clinics in Stockholm, Sweden. Population Women with singleton pregnancy with birth from 32 weeks' gestation. Methods Women registered at a clinic randomised to Mindfetalness were assigned to receive a leaflet about Mindfetalness (n = 19 639) in comparison with routine care (n = 20 226). Data were collected from a population-based register. Main outcome measures Apgar score <7 at 5 minutes after birth, visit to healthcare due to decrease in fetal movements. Other outcomes: Apgar score <4 at 5 minutes after birth, small-for-gestational-age and mode of delivery. Results No difference (1.1 versus 1.1%, relative risk [RR] 1.0; 95% CI 0.8-1.2) was found between the Mindfetalness group and the Routine care group for a 5-minute Apgar score <7. Women in the Mindfetalness group contacted healthcare more often due to decreased fetal movements (6.6 versus 3.8%, RR 1.72; 95% CI 1.57-1.87). Mindfetalness was associated with a reduction of babies born small-for-gestational-age (RR 0.95, 95% CI 0.90-1.00), babies born after gestational week 41(+6) (RR 0.91, 95% CI 0.83-0.98) and caesarean sections (19.0 versus 20.0%, RR 0.95; 95% CI 0.91-0.99). Conclusions Mindfetalness did not reduce the number of babies born with an Apgar score <7. However, Mindfetalness was associated with the health benefits of decreased incidence of caesarean section and fewer children born small-for-gestational-age. Tweetable abstract Introducing Mindfetalness in maternity care decreased caesarean sections but had no effect on the occurrence of Apgar scores <7.
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- Pettersson, K., et al.
(författare)
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Traction force during vacuum extraction : a prospective observational study
- 2015
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Ingår i: British Journal of Obstetrics and Gynecology. - : Wiley-Blackwell. - 1470-0328 .- 1471-0528. ; 122:13, s. 1809-1816
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Tidskriftsartikel (refereegranskat)abstract
- ObjectiveTo investigate the traction force employed during vacuum extractions. DesignObservational cross-sectional study. SettingObstetric Department, Karolinska University Hospital, Sweden, and the Swedish National Congress of Obstetrics and Gynaecology, 2013. PopulationTwo hundred women with vacuum extraction at term and 130 obstetricians participating in a simulated setting. MethodsIn a normal clinical setting, we used a specially adapted device to measure and record the force used to undertake vacuum extraction. In a subsequent part of the study, the force employed for vacuum extraction by a group of obstetricians in a fictive setting was estimated and objectively measured. Main outcome measuresApplied force during vacuum extraction in relation to the estimated level of difficulty in the delivery; perinatal diagnoses of asphyxia or head trauma; estimated force compared with objectively measured force employed in the fictive setting. ResultsThe median (minimum-maximum) peak forces for minimum, average and excessive vacuum extraction in the clinical setting were 176N (5-360N), 225N (115-436N), and 241N (164-452N), respectively. In 34% of cases a force in excess of 216N was employed. There was no correlation between the umbilical arterial pH at delivery and the traction force employed during extraction. Four cases of mild hypoxic ischaemic encephalopathy were observed, three of which were associated with a delivery whereby excessive traction force was employed during the vacuum extraction. In the fictive setting, the actual exerted force was twice the quantitative estimation. The measured forces in the clinical setting were four times higher than that estimated in the fictive setting. ConclusionsHigher than expected levels of traction force were used for vacuum extraction delivery. As obstetricians tend to underestimate the force applied during vacuum extraction, objective measurement with instantaneous feedback may be valuable in raising awareness.
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