ArticleThe American journal of cardiology2025
Health Status Improvement After Peripheral Vascular Intervention: Insights From the LIBERTY 360 Study.
Article in The American journal of cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Improving health status is a primary indication for peripheral endovascular intervention (PVI) for symptomatic peripheral arterial disease. The data informing mid- and long-term changes and predictors of health status following PVI are limited. LIBERTY 360, a prospective, nonrandomized, multicenter study evaluated outcomes in patients undergoing PVI. Health status measures were assessed at 30-days, 1 and 3-years using EQ-VAS (0-100,100 best health) and VascuQol-25 (1-7,7 best health), stratified by claudication (Rutherford 2-3), and chronic limb-threatening ischemia (CLTI, Rutherford 4-6). Multivariable regression identified predictors of health status at 1-year. Repeated measures models were constructed based on patients with available data through 3 years. Outcomes including major adverse events, all-cause death, major amputation/death, target vessel/lesion revascularization, and major adverse limb events (MALE)/post-operative death were reported. Claudication (n = 501, 41.6%) had higher baseline VascuQol total scores (4.3 ± 1.3) compared to CLTI (n = 703, 58.4%) (3.8 ± 1.4). The VascuQol total score improved at 30-days with claudication (5.4 ± 1.3, p < 0.0001) and CLTI (4.7 ± 1.4, p < 0.0001). Baseline EQ-VAS was higher with claudication (68.3 ± 19.7) than with CLTI (63.1 ± 20.1). EQ-VAS improved at 30-days with claudication (74.9 ± 17.9, p < 0.0001) and CLTI (68.6 ± 19.2, p-value:<0.0001). Improvements were maintained through 3-years. Baseline health status, history of PVI, and comorbidities predicted health status after PVI. While major adverse events rates were high at 3-years, this was driven by target vessel/lesion revascularization with high rates of freedom from major amputation, all-cause death, and MALE in both groups. In conclusion, PVI is associated with mid- long-term improvements in health status across peripheral arterial disease severity. Baseline characteristics were associated with health status at 1-year and may inform patient selection.
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