British journal of obstetrics and gynaecology · 1991
Delivery in an obstetric birth chair: a randomized controlled trial.
Клиническое исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Crowley P, Elbourne D, Ashurst H, Garcia J, Murphy D, Duignan N
Аннотация
OBJECTIVE: To determine whether nulliparae whose second stage of labour is conducted in an obstetric birth chair have a lower incidence of instrumental delivery than those using a conventional delivery bed.
DESIGN: Randomized controlled trial using sealed, opaque envelopes for allocation.
SETTING: Delivery ward in a busy teaching hospital.
PATIENTS: 1250 nulliparae with a singleton live fetus with cephalic presentation, without epidural anaesthesia, who had achieved full dilatation.
INTERVENTION: Intention to conduct second and third stages of labour in either the Birth-EZ chair or the conventional delivery bed, as randomly allocated.
MAIN OUTCOME MEASURES: Primary measure: vaginal operative delivery; principal secondary measures: duration of second stage, perineal trauma, blood loss, women's views, and neonatal status.
RESULTS: Delivery in the birth chair did not result in a reduction in operative delivery, overall. However, there was a reduction in vaginal operative delivery for fetal heart rate abnormality. There was no beneficial effect on perineal trauma or puerperal perineal pain. Post-partum haemorrhage was more frequent in the birth chair group.
CONCLUSIONS: Delivery in the birth chair does not offer any obvious advantage to women over delivery on a bed.
DESIGN: Randomized controlled trial using sealed, opaque envelopes for allocation.
SETTING: Delivery ward in a busy teaching hospital.
PATIENTS: 1250 nulliparae with a singleton live fetus with cephalic presentation, without epidural anaesthesia, who had achieved full dilatation.
INTERVENTION: Intention to conduct second and third stages of labour in either the Birth-EZ chair or the conventional delivery bed, as randomly allocated.
MAIN OUTCOME MEASURES: Primary measure: vaginal operative delivery; principal secondary measures: duration of second stage, perineal trauma, blood loss, women's views, and neonatal status.
RESULTS: Delivery in the birth chair did not result in a reduction in operative delivery, overall. However, there was a reduction in vaginal operative delivery for fetal heart rate abnormality. There was no beneficial effect on perineal trauma or puerperal perineal pain. Post-partum haemorrhage was more frequent in the birth chair group.
CONCLUSIONS: Delivery in the birth chair does not offer any obvious advantage to women over delivery on a bed.