Abstract：
OBJECTIVE:To describe recent trends in the prevalence and risk factors of obstetric anal sphincter ruptures during between 1997 and 2007 in Finland. METHOD:We analyzed a population-based register of 514,741 women with singleton vaginal deliveries recorded in the Finnish Medical Birth Register. Primiparous (n=2315) and multiparous women (n=534) with anal rupture compared in terms of possible risk factors to primiparous (n=215,463) and multiparous (n=296,429) women without anal rupture, respectively, using stepwise logistic regression analysis. RESULTS:The occurrence of anal rupture increased from 0.5% in 1997-1999 to 1.8% in 2006-2007 among primiparous women, and from 0.1% in 1997-2001 to 0.3% in 2006-2007 among multiparous women. Over the study period, the likelihood of women having anal rupture in these groups increased by a factor of 3.28 (95% CI 2.86-3.76) and 2.83 (95% CI 2.19-3.67), respectively, after adjustments for strong associations with many known risks. Changes in population characteristics and in the use of interventions were small, and these did not cause the increased anal rupture rate. The only exception was vacuum-assisted deliveries, which explained about 9% of the rising anal rupture risk. CONCLUSIONS:The current obstetric practice is not optimal for protecting the perineum and reflects the need to standardise obstetric care.
journal_name
Prev Medjournal_title
Preventive medicineauthors
Räisänen S,Vehviläinen-Julkunen K,Gissler M,Heinonen Sdoi
10.1016/j.ypmed.2009.10.005subject
Has Abstractpub_date
2009-12-01 00:00:00pages
535-40issue
6eissn
0091-7435issn
1096-0260pii
S0091-7435(09)00480-0journal_volume
49pub_type
杂志文章abstract：:Suicide rates are high in later life, particularly among older men. Mood disorders are known risk factors, but the risk of suicide associated with poor physical health remains unclear. We completed a cohort study of a community representative sample of 38,170 men aged 65-85 in 1996 who were followed for up to 16years....
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pub_type： 杂志文章,评审
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pub_type： 临床试验,杂志文章,随机对照试验
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pub_type： 杂志文章,随机对照试验
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更新日期：1992-05-01 00:00:00
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更新日期：2014-07-01 00:00:00
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更新日期：2008-06-01 00:00:00
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更新日期：2019-06-01 00:00:00
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更新日期：2018-03-01 00:00:00
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pub_type： 杂志文章
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更新日期：1991-05-01 00:00:00
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journal_title：Preventive medicine
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pub_type： 杂志文章,随机对照试验
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更新日期：2014-07-01 00:00:00
