Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are associated with improved amputation-free survival in chronic limb-threatening ischemia.
Nadin Elsayed, Sabrina L Straus, Darrin Clouse, Raghu L Motaganahalli, Mahmoud Malas
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引用次数: 0
Abstract
Background: In the Heart Outcomes Prevention Evaluation study, investigators found that ramipril was associated with improved survival as well as decreased MI and stroke rates in patients with peripheral arterial disease. Nonetheless, their effect on chronic limb-threatening ischemia (CLTI)-specific outcomes is unclear. We aim to assess the effect of ACEIs/ARBs on amputation-free survival in patients with CLTI undergoing peripheral vascular intervention (PVI) in a Medicare-linked database.
Methods: Patients undergoing PVI in the Vascular Quality Initiative Vascular Implant Surveillance and Interventional Outcomes Network database were included. Primary outcomes included amputation-free survival. Kaplan-Meier survival and multivariable Cox regression analyses were used to assess 1-year outcomes.
Results: A total of 34,284 patients were included, 46.3% of whom were discharged on ACEIs/ARBs. Patients discharged on ACEIs/ARBs were more likely to be smokers, have diabetes, and have hypertension. They were also more likely to present with rest pain. The overall 1-year survival rate for patients on ACEIs/ARBs vs those who are not was (79.1% vs 69.4%; P < .001). Freedom from amputation was 87.8% for patients on ACEIs/ARBs vs 84.2% for those who were not (P < .001). Amputation-free survival was 70.5% vs 59.5% for ACEIs/ARBs vs no ACEIs/ARBs (P < .001). After adjusting for potential confounders, ACEIs/ARBs use was associated with lower 1-year mortality (hazard ratio [HR], 0.77; 95% confidence interval [CI], 0.7-0.8; P < .001), amputation (HR, 0.89; 95% CI, 0.8-0.9; P < .001), and amputation or death (HR, 0.79; 95% CI, 0.76-0.8; P < .001).
Conclusions: ACEIs/ARBs were associated independently with lower amputation, improved survival, and amputation-free rates survival at 1 year in patients with CLTI undergoing PVI. The fact that more than one-half the patients were not discharged on these medications presents an area for potential quality improvement.
期刊介绍：
Journal of Vascular Surgery ® aims to be the premier international journal of medical, endovascular and surgical care of vascular diseases. It is dedicated to the science and art of vascular surgery and aims to improve the management of patients with vascular diseases by publishing relevant papers that report important medical advances, test new hypotheses, and address current controversies. To acheive this goal, the Journal will publish original clinical and laboratory studies, and reports and papers that comment on the social, economic, ethical, legal, and political factors, which relate to these aims. As the official publication of The Society for Vascular Surgery, the Journal will publish, after peer review, selected papers presented at the annual meeting of this organization and affiliated vascular societies, as well as original articles from members and non-members.
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