التفاصيل البيبلوغرافية
| العنوان: |
Outpatient calcium-channel blockers and the risk of postpartum haemorrhage: a cohort study. |
| المؤلفون: |
Bateman, BT, Hernandez‐Diaz, S, Huybrechts, KF, Palmsten, K, Mogun, H, Ecker, JL, Seely, EW, Fischer, MA |
| المصدر: |
BJOG: An International Journal of Obstetrics & Gynaecology; Dec2013, Vol. 120 Issue 13, p1668-1677, 10p, 1 Diagram, 4 Charts |
| مصطلحات موضوعية: |
CALCIUM antagonists, HEMORRHAGE risk factors, COHORT analysis, MEDICAID beneficiaries, METHYLDOPA, HEALTH outcome assessment, THERAPEUTICS |
| مصطلحات جغرافية: |
UNITED States |
| مستخلص: |
Objective To determine whether outpatient exposure to calcium-channel blockers ( CCBs) at the time of delivery is associated with an increased risk for postpartum haemorrhage ( PPH). Design Cohort study. Setting United States of America. Population or sample Medicaid beneficiaries. Methods We identified a cohort of 9750 patients with outpatient prescriptions for CCBs, methyldopa, or labetalol for pre-existing or gestational hypertension whose days of supply overlapped with delivery; 1226 were exposed to CCBs. The risk of PPH was compared in those exposed to CCBs to those exposed to methyldopa or labetalol. Propensity score matching and stratification were used to address potential confounding. Main outcome measures The occurrence of PPH during the delivery hospitalisation. Results There were 27 patients exposed to CCBs (2.2%) and 232 patients exposed to methyldopa or labetalol (2.7%) who experienced PPH. After accounting for confounders, there was no meaningful association between CCB exposure and PPH in the propensity score matched (odds ratio 0.77, 95% CI 0.50-1.18) or stratified (odds ratio 0.79, 95% CI 0.53-1.19) analyses. Similar results were obtained across multiple sensitivity analyses. Conclusions The outpatient use of CCBs in late pregnancy for the treatment of hypertension does not increase the risk of PPH. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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