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OB: Fetal Pulse Oximetry No HelpFrom: art fougner, md (evsono@pipeline.com)Tue Feb 28 15:14:07 2006
>From the latest Ob-Gyn News ... Fetal pulse oximetry failed to significantly decrease the cesarean delivery rate or to improve neonatal outcomes in a randomized, multicenter study of more than 5,000 women, Dr. Steven L. Bloom said at the annual meeting of the Society for Maternal-Fetal Medicine. “Unfortunately, the results of this study … suggest that fetal oximetry has not realized its promise of reducing cesarean births,” said Dr. Bloom, who presented the findings on behalf of the National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network in Bethesda, Md. Dr. Bloom and his associates randomized 2,629 nulliparous women at term in early labor to an “open oximetry” group; physicians delivering the babies of the women in this group could view fetal oxygen saturation values. For comparison, they randomized another 2,712 women to a “masked oximetry” group. The oximetry was an adjunct to continuous electronic fetal monitoring. A total of 692 women in the open group and 747 women in the masked group delivered via cesarean section (26.3% vs. 27.5%). A nonreassuring fetal heart rate was the reason for cesarean section for 187 women in the open group and 214 women in the masked group (7.1% vs. 7.9%). Dystocia was the reason for 490 women in the open group and 521 women in the masked group (18.6% vs. 19.2%). “The overall cesarean rate, as well as the rates of cesarean deliveries for specific indications, was not different,” said Dr. Bloom, interim chair of the department of obstetrics and gynecology at the University of Texas Southwestern Medical Center in Dallas. http://www.obgynnews.com/article/PIIS0029743706714392/fulltext Art
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