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Safety of Endovascular Treatment in High-Cardiac-Risk Patients with Limb-Threatening Ischemia

Institute of Cardiology, Catholic University of Sacred Heart, Rome, Italy.

Franco Citterio, MD

Institute of General Surgery, Catholic University of Sacred Heart, Rome, Italy.

Marco Castagneto, MD, FACS

Institute of General Surgery, Catholic University of Sacred Heart, Rome, Italy.

Faustino Pennestri, MD

Institute of Cardiology, Catholic University of Sacred Heart, Rome, Italy.

Franco Loperfido, MD

Institute of Cardiology, Catholic University of Sacred Heart, Rome, Italy.

Vascular surgery can be safely performed in approximately 60% of patients with advanced peripheral vascular disease, because of the high frequency of concomitant coronary artery disease and consequent increased risk of perioperative cardiac compli cations. The aim of this study was to validate the hypothesis that endovascular revascu larization could be safely applied to high-cardiac-risk patients with a lower incidence of perioperative cardiac complications. One hundred and fourteen patients with peripheral vascular disease referred for revascularization underwent preoperatively a clinical and echocardiographic evaluation, at rest and under dipyridamole stress test, to assess the cardiac risk. Patients with high clinical score (according to Goldman and Detsky), or low left ventricular ejection fraction at rest, or positive dipyridamole stress test, were consid ered at high cardiac risk. To record adverse cardiac events, all patients were monitored during surgery, postoperatively, and followed up for 18 months after hospital discharge. Forty-eight patients (42%) were found to be at high cardiac risk. In this high-cardiac-risk group, endovascular surgery was performed in 37/48 patients (77%) (group A), while the remaining 11/48 patients (23%) were bypassed with open surgery (group B). Postop erative cardiac complications occurred in 16% of patients in group A and in 45% of patients in group B with two deaths (p < 0.05). At follow-up, 51% of patients in group A and 44% of patients in group B had suffered late cardiac events (p = ns), with 10 deaths in group A and three deaths in group B (p = ns). Limb salvage rate was similar in the two groups (95% group A, 100% group B; p = ns). These data show that high-cardiac-risk patients with limb-threatening ischemia have significantly less perioperative cardiac complications when treated by endovascular procedures instead of bypass surgery. Follow-up data on cardiac events confirm the severity of concomitant coronary artery disease in patients with peripheral vascular disease.

Angiology, Vol. 49, No. 6, 435-440 (1998)
DOI: 10.1177/000331979804900603


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