Risk of uterine rupture in Australian women attempting vaginal birth after one prior caesarean section: a retrospective population‐based cohort study

Dekker, G.A.; Chan, Andrew; Luke, CG; Priest, Kevin; Riley, Merilyn; Halliday, Jane; King, J. T.; Gee, V.; O’Neill, Maeve; Snell, Mariea; Cull, V.; Cornes, Sue

doi:10.1111/j.1471-0528.2010.02688.x

Cited by 97 publications

(74 citation statements)

References 21 publications

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“…the risk of rupture with induction of labour was 0.54% for oxytocin alone, 0.68% for prostaglandin alone, 0.63% without either and 0.88% when they were combined. 15 A US study (Ouzouian et al) found no difference in rupture rates between spontaneous and induced labours but found a significantly greater vaginal birth rate following spontaneous labour. 16 Contrary to this, a study by Fitzpatrick et al showed an increased risk with induction.…”

Section: Discussionmentioning

confidence: 97%

A study of outcome of induction of labour with foley’s balloon in previous LSCS cases

Jois

Sunanda

2017

Int J Reprod Contracept Obstet Gynecol

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Background: Induction of labour in a scarred uterus is a controversial topic in Obstetric practice, but in carefully selected and monitored cases never the less the outcome is gratifying. When the baby is non-salvageable, or in cases of IUFD, it is always desirable to achieve a vaginal delivery. Many of the professional organizations recommend induction of labour in previous LSCS. Thus, this study was done to evaluate the success rate, determinants of failure and complications of induction of labour with foley’s catheter in patients with previous 1 LSCS.Methods: 62 patients were recruited over a period of 1 year and studied at Vani Vilas Hospital, Bangalore Medical College and Research Institute, all with previous 1 LSCS. 34% of them were with past h/o 1 or more vaginal delivery. 8% were term pregnancies, 64% were between 28-32 weeks. Induction was done for IUFD in 56% and, HDP warranting termination in 44%. Induction done with Foley’s catheter, expulsion of catheter with filled bulb and uterine contraction initiation was taken as successful induction. The patient profile in cases of failure was noted.Results: 83% was the success rate for induction out of which 30% cases required additional PGE2 gel. Oxytocin and ARM alone or together were used for augmentation in 90% cases. Induction to foley’s expulsion average duration was 14 hours. Post expulsion delivery happened at an average time interval of 5 hours. One patient had rupture uterus during the course of augmentation.Conclusions: Induction can be done safely in carefully selected cases of previous LSCS with Foley’s Balloon.

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Section: Discussionmentioning

confidence: 97%

A study of outcome of induction of labour with foley’s balloon in previous LSCS cases

Jois

Sunanda

2017

Int J Reprod Contracept Obstet Gynecol

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“…Um estudo de revisão encontrou 4,5% de óbitos associados às roturas 20 . Em um estudo realizado em Israel 8 , obteve-se 45,2% de óbitos e 16,1 em 100.000 nascimentos; em um estudo sueco 9 foi demonstrado 5,1% de óbitos e 4,7 em 100.000 nascimentos.…”

Section: Discussionunclassified

“…O risco de rotura uterina é maior em alguns grupos de gestantes, sendo esses amplamente liderados pelo das mulheres com cicatriz de cesárea prévia 1,2,6,7 . Entre essas últimas, são mais suscetíveis aquelas em trabalho de parto e que apresentam fetos em apresentação anômala, desproporção cefalopélvica, trabalho de parto distócico e as submetidas à indução do trabalho de parto 1,6,[8][9][10][11] . O fato da rotura uterina ocorrer com muito mais frequência em mulheres com cicatriz de cesárea faz dela uma complicação cada vez mais temível.…”

Section: Introductionunclassified

Rotura e deiscência de cicatriz uterina: estudo de casos em uma maternidade de baixo risco do sudeste brasileiro

Okido¹,

Quintana²,

Berezowski³

et al. 2014

Rev. Bras. Ginecol. Obstet.

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ResumoOBJETIVO: Analisar os casos de rotura uterina e deiscência de cicatriz uterina ocorridos em uma maternidade de baixo risco e apontar possibilidades de aprimoramento na abordagem dessas complicações. MÉTODOS: Foi realizado um estudo descritivo em uma maternidade de baixo risco com 30 leitos, que presta assistência às usuárias do sistema público de saúde. A investigação foi realizada por meio de busca dos casos em livros de registros de sala de parto e posterior leitura dos prontuários para coleta dos dados. As informações foram inseridas em formulário previamente elaborado para este estudo. Foram incluídos os casos de rotura uterina e deiscência de cicatriz uterina diagnosticados no período de 1998 a 2012, avaliados incidência, aspectos relacionados aos fatores de risco e diagnóstico, associação com o uso de misoprostol e ocitocina e desfechos observados. RESULTADOS: No período mencionado foram registrados 39.206 partos nessa instituição. A cesárea foi a conduta adotada em 10 mil partos, o que equivale a uma taxa de 25,5%. Foram identificados 12 casos de rotura uterina e 16 de deiscência de cicatriz uterina. Os resultados mais relevantes foram a alta mortalidade perinatal associada à rotura uterina e o insucesso no diagnóstico da complicação. Não foi possível demonstrar associações com o uso de misoprostol ou ocitocina. CONCLUSÃO: Os desfechos adversos da rotura uterina podem ser minimizados se esforços forem direcionados para melhorar o desempenho diagnóstico das equipes assistentes. Abstract PURPOSE:To evaluate the cases of uterine rupture and dehiscence of the uterine scar at a low-risk maternity and to point out possibilities for an improved approach to these complications. METHODS: A descriptive study was conducted at a 30-bed low-risk maternity hospital that provides care to users of the public health system. The investigation was carried out by searching for cases in the delivery room registry book and later reading the medical records in order to obtain the data. The information was inserted on a form previously elaborated for this study. Cases of uterine rupure and dehiscence of the uterine scar diagnosed from 1998 to 2012 were included, with the determination of incidence, aspects related to risk factors and diagnosis, association with the use of misoprostol and oxytocin, and the outcomes observed. RESULTS: A total of 39,206 deliveries were performed in this maternity during the study period, with 12 cases of uterine rupture and 16 cases of dehiscence of uterine scar being observed. The most relevant results were a high perinatal mortality associated with uterine rupture and the unsuccessful diagnosis of this complications. It was not possible to demonstrate an association with the use of misoprostol or oxytocin. CONCLUSION: The adverse outcomes of uterine rupture could be minimized if efforts were directed at improving the diagnostic performance of the assisting teams.

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“…This is consistent with other diagnoses such as hypertension and diabetes where broader categories are more reliably reported than specific sub-categories. 9 Although used to report atonic hemorrhage, the specific subcode could also include other causes of PPH including tears and other immediate hemorrhage. 21 Based on these results the authors conclude that ICD codes assigned for atonic hemorrhage are not specific enough to be used to report population rates of atonic PPH.…”

Section: Discussionmentioning

confidence: 99%

“…9 However, systematic bias in reporting has rarely been explored. There is some evidence that more severe conditions or those associated with adverse outcomes are more likely to be reported in population data.…”

Section: Introductionmentioning

confidence: 99%

Hospital Data Reporting on Postpartum Hemorrhage: Under-Estimates Recurrence and Over-Estimates the Contribution of Uterine Atony

Ford

Algert

Kok

et al. 2011

Matern Child Health J

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(250 words)Objectives: This study aimed to explore whether recording of a prior adverse pregnancy outcome in a medical record increases the likelihood that recurrence of the same event is reported in population data. Methods:Using a random sample of 294 women who had first and second pregnancies in NSW, and a postpartum hemorrhage (PPH) reported for at least one pregnancy, we compared 'coded' recurrence rates in hospital data with those obtained from medical record audit. 'Coded' recurrence in a second pregnancy was also compared for women with or without a documented history of prior PPH. Results:We found a 'coded' recurrence rate of 18.5% and a 'true' rate (according to medical record audit) of 28.4%. The 'coded' rate of recurrence among women who had a documented history of PPH was 27.4% compared to 19.1% among those where the previous PPH was not noted in the second pregnancy medical record. 'True' reporting of a uterine atony cause for postpartum hemorrhages in first and second births was 37.9% and 34.0% while 'coded' hospital data reporting was 79.8% and 73.9% respectively. Conclusions:Our study results indicate that a history of postpartum hemorrhage may be an even stronger risk factor for subsequent PPH than previously demonstrated. A recorded history of PPH was associated with a higher likelihood of reporting a subsequent PPH, however in such cases recurrence rates approximate true recurrence. The contribution of uterine atony as a cause of postpartum hemorrhage is over-estimated using population health data.

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Risk of uterine rupture in Australian women attempting vaginal birth after one prior caesarean section: a retrospective population‐based cohort study

Cited by 97 publications

References 21 publications

A study of outcome of induction of labour with foley’s balloon in previous LSCS cases

A study of outcome of induction of labour with foley’s balloon in previous LSCS cases

Rotura e deiscência de cicatriz uterina: estudo de casos em uma maternidade de baixo risco do sudeste brasileiro

Hospital Data Reporting on Postpartum Hemorrhage: Under-Estimates Recurrence and Over-Estimates the Contribution of Uterine Atony

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