Impact of maternal-fetal surgery for myelomeningocele on the progression of ventriculomegaly in utero.
American Journal of Obstetrics and Gynecology 2005 September
OBJECTIVE: Intrauterine myelomeningocele (MMC) repair decreases hindbrain herniation and the need for postnatal ventriculoperitoneal shunting. We examined the impact of intrauterine repair on the progression of ventriculomegaly in utero.
STUDY DESIGN: Fetuses with MMC were identified through computerized databases from June 1988 to April 2003. A retrospective cohort design was used to evaluate the impact of intrauterine repair on ventricular progression with a multivariate linear regression model that included baseline ventricle measurement, gestational age, level of lesion, and gender.
RESULTS: Fourteen fetuses with intrauterine repair and 39 fetuses with postnatal repair were identified. The natural history of progression of ventricular diameter increased in a linear fashion throughout gestation (0.57 mm/week). After adjusting for confounding variables, no transient or sustained difference was observed in the rate progression of ventriculomegaly between intrauterine and postnatal repair (0.27 +/- 0.35 mm/week; P=.45).
CONCLUSION: Intrauterine MMC repair does not impact the progression of ventriculomegaly.
STUDY DESIGN: Fetuses with MMC were identified through computerized databases from June 1988 to April 2003. A retrospective cohort design was used to evaluate the impact of intrauterine repair on ventricular progression with a multivariate linear regression model that included baseline ventricle measurement, gestational age, level of lesion, and gender.
RESULTS: Fourteen fetuses with intrauterine repair and 39 fetuses with postnatal repair were identified. The natural history of progression of ventricular diameter increased in a linear fashion throughout gestation (0.57 mm/week). After adjusting for confounding variables, no transient or sustained difference was observed in the rate progression of ventriculomegaly between intrauterine and postnatal repair (0.27 +/- 0.35 mm/week; P=.45).
CONCLUSION: Intrauterine MMC repair does not impact the progression of ventriculomegaly.
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