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. 2011 Jul;54(1):109-15.
doi: 10.1016/j.jvs.2010.12.055. Epub 2011 Mar 11.

In-hospital and 30-day outcomes after tibioperoneal interventions in the US Medicare population with critical limb ischemia

Todd R Vogel  1 , Viktor Y Dombrovskiy, Jeffrey L Carson, Alan M Graham
Affiliations
Free article

In-hospital and 30-day outcomes after tibioperoneal interventions in the US Medicare population with critical limb ischemia

Todd R Vogel et al. J Vasc Surg. 2011 Jul.
Free article

Abstract

Objectives: Catheter-based revascularization has emerged as an alternative to surgical bypass for the tibioperoneal vessels. The purpose of this analysis was to describe the outcomes of tibial angioplasty interventions for critical limb ischemia (CLI) in the hospitalized Medicare population, to examine in-hospital complications, to define the 30-day readmission and mortality rates, and to assess secondary procedures performed in this population.

Methods: In-patients with CLI undergoing tibioperoneal angioplasty were identified using The Centers for Medicare & Medicaid Services in-patient claims for 2005 to 2007. In-hospital complications, mortality, 30-day secondary procedures, and 30-day rehospitalization after discharge were described.

Results: A total of 13,258 in-patients underwent tibioperoneal angioplasty (54.2% men; 75.7% white, 17.1% African American; 42.8% gangrene, 46.7% rest pain, 10.5% claudication) and 29.3% had a stent, 47.3% had femoral-popliteal angioplasty, and 20.1% had atherectomy during their initial procedure. Initial hospital complications included renal complications (8.1%), respiratory complications and pneumonia (5.1%), and cardiac complications with acute myocardial infarction (3.2%). Mortality in-hospital was 2.8% and at 30 days was 6.7%. Thirty-day rehospitalization rate was 29.6%. Thirty-day reinterventions included repeat angiogram (8.5%), repeat tibioperoneal angioplasty (3.2%), open bypass (2.1%), and lower extremity amputations (23.8%). Gangrene was the most frequent diagnosis at rehospitalization (13.5%). Patients with gangrene as an indication for tibioperoneal angioplasty were 1.8 times (95% confidence interval [CI], 1.56-2.10) as likely as patients with rest pain to be rehospitalized during 30 days after discharge. Among comorbidities, predictors of 30-day rehospitalization included chronic renal failure (odds ratio [OR], 1.4; 95% CI, 1.27-1.52), chronic pulmonary disease (OR, 1.1; 95% CI, 1.01-1.25), and congestive heart failure (CHF; OR, 1.1; 95% CI, 1.01-1.22). About one-quarter of patients (23.8%) within 30 days after their initial procedure underwent amputation at any level of the lower limb.

Conclusion: Tibioperoneal angioplasty is associated with frequent in-hospital complications, an overall 30-day amputation rate of 23.8% for all procedures and indications, and a 30-day rehospitalization rate of almost 30%. Further detailed analysis of tibioperoneal intervention is essential to define best treatment strategies and to minimize complications and readmission rates.

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