Amnon A. Berger , Samantha L. Armstrong , Alina Fischer , JoAnn Jordan , Megha Gupta , Yunping Li , Philip E. Hess , John J. Kowalczyk
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引用次数: 0
Abstract
Objectives
Determine whether peripartum antihypertensive use increases secondary uterotonic use, neonatal hypoglycemia, bradycardia, or NICU admission. Hypertensive disorders of pregnancy are common and increasing. Treatment includes beta- and calcium channel- blocking medications. Outpatient beta-blockers were associated with increases in neonatal bradycardia, hypoglycemia, and NICU admissions. Calcium channel blockers are weak tocolytics and may precipitate uterine atony and hemorrhage.
Study Design
Retrospective, single-center study at a tertiary academic hospital. Records of 26,058 parturients over 5 years were reviewed. We compared exposure to labetalol and nifedipine in separate analyses. We calculated univariate odds ratio and binomial generalized models to account for covariates. P < 0.05 was considered significant.
Main Outcome Measures
Primary outcomes were incidence of 1-hour neonatal hypoglycemia and maternal secondary uterotonic or antifibrinolytic use. Additional maternal outcomes were change in hemoglobin concentration and estimated blood loss; neonatal outcomes included hypoglycemia at 24-hours, bradycardia, and NICU admissions.
Results
We analyzed 24,845 records. Labetalol exposure occurred in 605 (2.4 %) deliveries and nifedipine in 426 (1.7 %). In multivariate analyses in the full cohort and matched cohorts, labetalol administration was significantly associated with 1-hour hypoglycemia (p < 0.001, OR 1.72, 95 %CI 1.33–2.23), but not 24-hour hypoglycemia (p = 0.12), bradycardia (p = 0.65), or NICU admissions (p = 0.86). Labetalol and nifedipine were associated with uterine atony (p = 0.006 and p = 0.027). Confounders and sensitivity analyses accounted for magnesium exposure, general anesthesia, and hypertensive diagnoses.
Conclusion
Labetalol exposure was significantly and independently associated with neonatal hypoglycemia. Any hypertensive use associated with uterine atony. Clinicians should consider 1-hour assessment of glucose in neonates born to labetalol-treated mothers.
期刊介绍:
Pregnancy Hypertension: An International Journal of Women''s Cardiovascular Health aims to stimulate research in the field of hypertension in pregnancy, disseminate the useful results of such research, and advance education in the field.
We publish articles pertaining to human and animal blood pressure during gestation, hypertension during gestation including physiology of circulatory control, pathophysiology, methodology, therapy or any other material relevant to the relationship between elevated blood pressure and pregnancy. The subtitle reflects the wider aspects of studying hypertension in pregnancy thus we also publish articles on in utero programming, nutrition, long term effects of hypertension in pregnancy on cardiovascular health and other research that helps our understanding of the etiology or consequences of hypertension in pregnancy. Case reports are not published unless of exceptional/outstanding importance to the field.