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SAN FRANCISCO -- Hospitals that can't deliver babies by crash cesarean section in less than 30 minutes after uterine rupture have no business attempting vaginal birth after a previous C-section, Dr. Thomas M. Goodwin said.
In fact, 30 minutes may be far too slow, even though that's the upper limit mentioned in the 1997 Guidelines for Perinatal Care by the American College of Obstetricians and Gynecologists, said Dr. Goodwin, chief of maternal-fetal medicine at the University of Southern California, Los Angeles.
The ACOG document notes that there are no data correlating the timing of intervention with outcome. Data from a 1993 study, however, suggest that a quicker response time--18 minutes or less from the onset of bradycardia to C-section delivery--is necessary to avoid at least some neonatal morbidity or deaths, he said at a meeting on antepartum and intrapartum management sponsored by the University of California, San Francisco.
The study looked at 106 uterine ruptures in women attempting vaginal birth after C-section (VBAC). All fetuses with normal heart rate tracings before uterine rupture turned out well if delivered within 18 minutes. Some fetuses with abnormal tracings before uterine rupture needed intubation after ...
Source: HighBeam Research, Post rupture: 30 minutes for cesarean is too long. (Expert Opinion).