JOURNAL ARTICLE

Underuse of postcesarean thromboembolism prophylaxis

Alexander M Friedman, Cande V Ananth, Yu-Shiang Lu, Mary E D'Alton, Jason D Wright
Obstetrics and Gynecology 2013, 122 (6): 1197-204
24201686

OBJECTIVE: To characterize contemporary practice patterns for postcesarean thromboembolism prophylaxis and determine whether opportunities to substantially decrease maternal mortality and morbidity in this clinical setting are being missed.

METHODS: A commercial hospitalization database that includes procedure and diagnosis codes, health care provider and hospital information, and patient demographic data were used to analyze use of venous thromboembolism prophylaxis after cesarean delivery in the United States between 2003 and 2010. The analysis evaluated whether patients received pharmacologic prophylaxis, mechanical prophylaxis, combined prophylaxis, or no prophylaxis. Hospital-level factors and patient characteristics were included in multivariable regression models evaluating prophylaxis administration.

RESULTS: We identified 1,263,205 women who underwent cesarean delivery. Within the cohort, 75.7% (n=955,787) received no thromboembolism prophylaxis, 22.1% (n=278,669) received mechanical prophylaxis alone, 1.3% (n=16,639) received pharmacologic prophylaxis, and 1.0% (n=12,110) received combination prophylaxis. The rate of prophylaxis increased from 8.4% in 2003 to 41.6% in 2010. Prophylaxis rates varied significantly by geographic region. Medical risk factors for thromboembolism were associated with only modest increases in prophylaxis.

CONCLUSION: Although our findings demonstrated increased adoption of postcesarean venous thromboembolism prophylaxis, fewer than half of patients received recommended care as of 2010, and significant variation was present. Thromboembolism prophylaxis is underused and represents a major opportunity to reduce maternal morbidity and mortality. Risk assessment tools and thromboprophylaxis guidelines are needed to assure high-quality, uniform care.

LEVEL OF EVIDENCE: : III.

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