Supervised Exercise Training Improves Cardiorespiratory Fitness and Reduces Perioperative Risk in Peripheral Artery Disease Patients with Intermittent Claudication

Overview

Journal Ann R Coll Surg Engl

Specialty General Surgery

Date 2023 May 2

PMID 37128857

Authors

D Laneelle

M Hughes

B S Stacey

M Bashir

I M Williams

M H Lewis

D M Bailey

Affiliations

Soon will be listed here.

Abstract

Introduction: This study examined to what extent supervised aerobic and resistance exercise combined with continued unsupervised exercise training improves cardiorespiratory fitness and corresponding perioperative risk in peripheral artery disease (PAD) patients with intermittent claudication.

Methods: A total of 106 patients (77% male) were enrolled into the study, alongside 155 healthy non-PAD control participants. Patients completed supervised exercise therapy (aerobic and resistance exercises of the upper and lower limbs) twice a week for 10 weeks. Thereafter, 52 patients completed 12 weeks of an unsupervised tailored home-based exercise. Pain-free walking distance (PWD), maximum walking distance (MWD), peak oxygen uptake ([Formula: see text]) and perioperative risk were assessed before and after both exercise interventions.

Results: Patients were highly unconditioned relative to healthy controls ([Formula: see text]=11.9 vs 24.2ml/kg/min, =<0.001) with 91% classified as high perioperative risk (peak oxygen uptake <15ml/kg/min). Supervised exercise increased PWD (+44±81m, =<0.001), MWD (+44±71m, =<0.001) and [Formula: see text] (+1.01±1.63ml/kg/min, =<0.001) and lowered perioperative risk (91% to 85%, =<0.001). When compared with supervised exercise, the improvements in PWD were maintained following unsupervised exercise (+11±91m vs supervised exercise, =0.572); however, MWD and [Formula: see text] decreased (-15±48m, =0.030 and -0.34±1.11ml/kg/min, =0.030, respectively) and perioperative risk increased (+3%, =<0.001) although still below baseline (=<0.001).

Conclusions: Supervised aerobic and resistance exercise training and, to a lesser extent, unsupervised tailored exercise improves walking capacity and cardiorespiratory fitness and reduces perioperative risk in PAD patients with intermittent claudication.

Citing Articles

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