Increased risk of peripheral arterial disease after hip replacement: an 11-year retrospective population-based cohort study

Medicine (Baltimore). 2015 May;94(19):e870. doi: 10.1097/MD.0000000000000870.

Abstract

The correlation between hip replacement (Hip-Rep) and peripheral arterial disease (PAD) remains uncertain. Thus, we investigated the relationship between Hip-Rep and risk of developing PAD in a nationwide retrospective cohort study.National Health Insurance data were used to assemble a cohort of patients who were diagnosed from 2000 to 2011. Patients with a history of PAD were excluded. A total of 5284 patients who received a Hip-Rep and 21,124 matched controls were enrolled. We used Cox proportional hazards regression model to analyze the adjusted risk of developing PAD.The risk of developing PAD in the Hip-Rep group was 1.24-fold higher (95% CI = 1.05-1.48) than that in the control group. The adjusted risk of developing PAD increased with patient age; compared with patients aged 50 years or younger, the risk among those ages at least 80 years was 4.87-fold higher. Patients with diabetes exhibited the highest risk of developing PAD (HR = 1.58, 95% CI = 1.34-1.86). Compared with patients who had not received a Hip-Rep or reported any comorbidity, patients who received a Hip-Rep were 2.45-fold more likely to develop PAD (95% CI = 1.54-3.89); the risk increased with the number of comorbidities.Hip-Reps might be independently linked with an increased risk of developing PAD. The impact of Hip-Reps on this risk was greater in women and patients ages 65 years and younger and within the first year of follow-up.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Age Factors
  • Aged
  • Aged, 80 and over
  • Arthroplasty, Replacement, Hip / statistics & numerical data*
  • Comorbidity
  • Female
  • Humans
  • Insurance Claim Review
  • Male
  • Middle Aged
  • Peripheral Arterial Disease / epidemiology*
  • Proportional Hazards Models
  • Retrospective Studies
  • Risk Factors