OBSTETRIC ANAL SPHINCTER INJURY: RETROSPECTIVE REVIEW OF RISK FACTORS
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Date
2001-11
Authors
ZAHAR AZUAR, ZAKARIA
Journal Title
Journal ISSN
Volume Title
Publisher
Pusat Pengajian Sains Perubatan Universiti Sains Malaysia
Abstract
Objective: To identify the epidemiology and risk factors associated with obstetric
anal sphincter injury during vaginal delivery.
Methodology: A five years retrospective review of 52 patients who sustained
obstetric anal sphincter injury during vaginal delivery in Hospital Universiti Sains
Malaysia, Kubang Kerian, Kelantan between January 1996 to December 2000. The
control was the three singleton vaginal deliveries prior to and following the index
delivery. Logistic regression analysis was used to assess risk factors.
Results: There were 52 patients who had obstetric anal sphincter injury after vaginal
delivery amongst 32,831 singleton vaginal deliveries at term, giving an incidence of
0.l6%.
There was no significant difference in maternal age and gestational age at delivery
time. No association was seen in term of past history of instrumental delivery,
presentation of the fetus, the use of mediolateral episiotomy, oxytocin augmentation
of labour or the use of analgesia (intramuscular Pethidine and epidural analgesia)
during labour.
Description
Keywords
Obstetrics and Gynaecology