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Prediction of peripartum hysterectomy and end organ dysfunction in major obstetric haemorrhage.
MedLine Citation:
PMID:  20810201     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVES: The aims of this study are to determine the incidence and aetiology of major obstetric haemorrhage (MOH) in our population, to examine the success rates of medical and surgical interventions and to identify risk factors for peripartum hysterectomy and end organ dysfunction (EOD).
STUDY DESIGN: This prospective study from 2004 to 2007 was carried out in three Dublin maternity hospitals. Women were identified as having MOH if they received ≥5 units of red cell concentrate (RCC) acutely. Risk factors for hysterectomy or end organ dysfunction were calculated using logistic regression.
RESULTS: One hundred and seventeen cases of MOH in 93,291 deliveries were identified (1.25/1000). The predominant cause was uterine atony. Haemostasis was achieved with medical therapy alone in 15% of cases. The hydrostatic balloon and the B-Lynch suture arrested bleeding in 75% and 40% of cases utilised respectively. Hysterectomy was required to arrest bleeding in 24% of women and 16% of women developed end organ dysfunction (11 had both). There was one maternal death. Independent risk factors for hysterectomy included the number of previous caesarean sections (OR 3.28, 95% CI 1.95-5.5), placenta praevia (OR 13.5, 95% CI 7.7-184), placenta accreta (OR 37.7, 95% CI 7.7-184), uterine rupture (OR 7.25, 95% CI 1.25-42) and the number of units of RCC transfused (OR 1.31, 95% CI 1.13-1.5). Independent risk factors for end organ dysfunction (EOD) were placenta accreta (OR 5, 95% CI 1.5-16.5), uterine rupture (OR 13.86, 95% CI 2.32-82), the number of RCC transfused (OR 1.31, 95% CI 1.13-1.5) and the minimum haematocrit recorded (OR 5.53, 95% CI 1.7-18).
CONCLUSIONS: MOH is complicated by hysterectomy in 24% and end organ dysfunction in 16% of cases. The risk of peripartum hysterectomy is increased with the number of previous caesarean sections, the aetiology of the bleed, namely placenta praevia/accreta or uterine rupture and the volume of blood transfused. Critically, failure to maintain optimal haematocrit during the acute event was associated with end organ dysfunction.
Authors:
D O'Brien; E Babiker; O O'Sullivan; R Conroy; F McAuliffe; M Geary; B Byrne
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  153     ISSN:  1872-7654     ISO Abbreviation:  Eur. J. Obstet. Gynecol. Reprod. Biol.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  165-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
UCD School of Medicine and Medical Science, Obstetrics & Gynaecology, National Maternity Hospital, Dublin, Ireland.
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