Functional status of elderly adults before and after interventions for critical limb ischemia

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Abstract

Objective The impact of interventions for critical limb ischemia (CLI) on functional status in the elderly remains unclear. Open and endovascular procedures were evaluated. Methods Medicare inpatient claims were linked with nursing home assessment data to identify elective admissions for lower extremity procedures for CLI. A functional impairment score (0-28; higher scores indicating greater impairment) based on residents' need for assistance with self-care activities, walking, and locomotion was calculated before and after interventions. Hierarchical modeling determined the effect of the surgery on residents' function, controlling for comorbidity, cognition, and prehospital function. Results Three hundred fifty-two and 350 patients underwent open and endovascular procedures, respectively (rest pain, 84; ulceration, 351; gangrene, 267). Hospitalization was associated with a significant worsening in function following both procedures. Disease severity was associated with the amount of initial decline but not with the rate of recovery (P >.35). Residents who received open surgery improved more quickly following hospital discharge (P =.011). Conclusions In the frail elderly, open and endovascular procedures for CLI were associated with similar initial declines in functional status, suggesting that compared with open procedures, less invasive endovascular procedures were not associated with maintaining baseline function. In this select population, endovascular procedures for CLI were not associated with improved functional status over time compared with open. Six months posthospital, patients who received traditional open bypass had significantly better functional status than those who received endovascular procedures for all CLI diagnoses. Further analysis is required to assist stakeholders in performing procedures most likely to preserve functional status in the frail elderly and nursing home population. © 2014 by the Society for Vascular Surgery.

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Vogel, T. R., Petroski, G. F., & Kruse, R. L. (2014). Functional status of elderly adults before and after interventions for critical limb ischemia. In Journal of Vascular Surgery (Vol. 59, pp. 350–358). https://doi.org/10.1016/j.jvs.2013.08.087

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