Key result
Preoperative coronary revascularization was associated with improved long-term survival only in intermediate-risk patients (HR 0.48; 95% CI 0.31-0.75; P=0.001), but not in low- or high-risk groups.
Why the study?
Does preoperative thallium scanning and coronary revascularization improve long-term survival in patients undergoing major vascular surgery?
Population
624 consecutive patients undergoing major vascular surgery
Comparison
Preoperative thallium scanning and subsequent… vs No preoperative coronary revascularization
Design
Cohort
Follow-up
3-15 years
Authors
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Should not yet change preoperative vascular surgery strategies; hypothesis-generating for risk-stratified revascularization.
Cohort (n=624)
Does preoperative thallium scanning and coronary revascularization improve long-term survival in patients undergoing major vascular surgery?
Hazard Ratio: 0.48 (95% CI 0.31–0.75)
p-value: p=0.001
A clinical survival score can identify intermediate-risk patients undergoing major vascular surgery who are most likely to derive long-term survival benefit from preoperative thallium scanning and coronary revascularization.
Landesberg et al. (2006) conducted a cohort in Major vascular surgery (n=624). Preoperative coronary revascularization vs. No preoperative coronary revascularization was evaluated on Long-term survival (HR 0.48, 95% CI 0.31-0.75, p=0.001). Preoperative coronary revascularization was associated with improved long-term survival only in intermediate-risk patients (HR 0.48; 95% CI 0.31-0.75; P=0.001), but not in low- or high-risk groups.
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