William H Barth

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OBJECTIVE To analyze the effect of gestational age, delivery mode, and maternal-fetal risk factors on rates of respiratory problems among infants born 34 or more weeks of gestation over a 9-year period. METHODS Retrospective analysis of prospectively collected maternal and neonatal data on all inborn births at 34 or more weeks of gestation at a single(More)
OBJECTIVE To describe changes in neonatal and obstetric practices that may have contributed to the decreasing incidence of meconium aspiration syndrome in our population during this time. METHODS We compared neonatal and obstetric characteristics of 61 infants diagnosed with meconium aspiration syndrome with 1365 infants born through moderate or thick(More)
The need for cardiac surgery during pregnancy is rare. Only 1% to 4% of pregnancies are complicated by maternal cardiac disease and most of these can be managed with medical therapy and lifestyle changes. On occasion, whether owing to natural progression of the underlying cardiac disease or precipitated by the cardiovascular changes of pregnancy, cardiac(More)
OBJECTIVE To test the hypothesis that oxytocin labor stimulation of twin gestations is similar to that of singletons regarding dosage, time, complications, and ability to achieve vaginal delivery. METHODS This retrospective investigation included 124 gravidas receiving oxytocin for augmentation or induction of labor. Sixty-two women with twin gestations(More)
From the Department of Otolaryngology, Massachusetts Eye and Ear Infirmary (C.J.H.); the Departments of Maternal and Fetal Medicine (W.H.B.), Anesthesia and Critical Care (C.J.C., M.A.A.), Radiology (P.E.G.), and Pathology (J.T.G.), Massachusetts General Hospital; and the Departments of Otolaryngology (C.J.H.), Obstetrics, Gynecology, and Reproductive(More)
OBJECTIVE The objective of the study was to estimate the risks of third-trimester amniocentesis with continuous ultrasound guidance. METHODS Cohort study. We reviewed the medical records of women who had an amniocentesis with continuous ultrasound guidance after 30 weeks' gestation at a single institution from January 1991 through December 1994. For(More)
BACKGROUND Rates of preterm delivery in the United States are higher in black women compared with whites. In this study, we examined cardiovascular reactivity and risk of preterm delivery among black and white military women. METHODS We recruited a total of 500 black and white active-duty military women from the prenatal clinic at a large military(More)
Persistent occiput posterior (OP) is associated with increased rates of maternal and newborn morbidity. Its diagnosis by physical examination is challenging but is improved with bedside ultrasonography. Occiput posterior discovered in the active phase or early second stage of labor usually resolves spontaneously. When it does not, prophylactic manual(More)
OBJECTIVES To estimate the cost-effectiveness of targeted and universal screening for vasa praevia at 18-20 weeks of gestation in singleton and twin pregnancies. DESIGN Cost-utility analysis based on a decision-analytic model comparing relevant strategies and life-long outcomes for mother and infant(s). SETTING Ontario, Canada. POPULATION A cohort of(More)
OBJECTIVE The purpose of this study was to elucidate the significance of psammoma bodies that are found incidentally during endometrial biopsy. STUDY DESIGN We reviewed the medical records of 11 women who were found to have psammoma bodies during endometrial biopsy over an 18-month period and extracted data that included demographic information, extent of(More)