Why the study?
Is prophylaxis for VTE effective when started postoperatively, and what is its relative efficacy compared to preoperatively initiated prophylaxis in surgical patients?
Population
Surgical patients at high risk for venous thromboembolism (VTE)
Comparison
Pharmacologic and nonpharmacologic methods of… vs Preoperatively initiated VTE prophylaxis or…
Design
Systematic_review, blind assessment of appropriate VTE outcomes
Authors
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Postoperative VTE prophylaxis is effective; confirms benefit of post-surgical initiation while leaving direct preoperative comparisons open.
Is prophylaxis for VTE effective when started postoperatively, and what is its relative efficacy compared to preoperatively initiated prophylaxis in surgical patients?
VTE prophylaxis started postoperatively is effective, though direct comparisons with preoperative initiation are needed to definitively determine relative efficacy.
C. Kearon (1995) studied this question.
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