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Br J Surg. 2013 Aug;100(9):1164-71. doi: 10.1002/bjs.9207.

Long-term clinical effectiveness of supervised exercise therapy versus endovascular revascularization for intermittent claudication from a randomized clinical trial.

Author information

1
Department of Epidemiology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands. f.fakhry@erasmusmc.nl

Abstract

BACKGROUND:

Long-term comparisons of supervised exercise therapy (SET) and endovascular revascularization (ER) for patients with intermittent claudication are scarce. The long-term clinical effectiveness of SET and ER was assessed in patients from a randomized trial.

METHODS:

Consenting patients with intermittent claudication were assigned randomly to either SET or ER. Outcome measures on functional performance (pain-free and maximum walking distance, ankle : brachial pressure index), quality of life (QoL) and number of secondary interventions were measured at baseline and after approximately 7 years of follow-up. Repeated-measurement and Kaplan-Meier methods were used to analyse the data on an intention-to treat-basis.

RESULTS:

A total of 151 patients were randomized initially to either SET or ER. After 7 years, functional performance (P < 0.001) and QoL (P ≤ 0.005) had improved after both SET and ER. Long-term comparison showed no differences between the two treatments, except in the secondary intervention rate, which was significantly higher after SET (P = 0.001). Nevertheless, the total number of endovascular and surgical interventions (primary and secondary) remained higher after ER (P < 0.001).

CONCLUSION:

In the longer term, SET-first or ER-first treatment strategies were equally effective in improving functional performance and QoL in patients with intermittent claudication. The substantially higher number of invasive interventions in the ER-first group supports a SET-first treatment strategy for intermittent claudication.

REGISTRATION NUMBER:

NTR199 (http://www.trialregister.nl).

PMID:
23842830
DOI:
10.1002/bjs.9207
[Indexed for MEDLINE]

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