A pilot randomised controlled trial of a structured, home-based exercise programme on cardiovascular structure and

Roseanne E Billany1,2, Noemi Vadaszy3, Nicolette C Bishop4

  • 1Department of Cardiovascular Sciences, University of Leicester, Leicester, UK.

BMJ Open
|October 6, 2021
PubMed

Insights

This pilot study assessed a home-based exercise program for kidney transplant recipients (KTRs) to improve cardiovascular health. The study found the intervention feasible and explored its effects on fitness and quality of life.

Area of Science:

  • Nephrology
  • Cardiology
  • Exercise Physiology

Background:

  • Cardiovascular disease (CVD) is a leading cause of death in kidney transplant recipients (KTRs).
  • Standard CVD risk scores often underestimate risk in KTRs due to unique risk factor clustering and pathological changes.
  • Low physical activity and patient engagement hinder exercise adoption in this population.

Purpose of the Study:

  • To assess the feasibility of a home-based exercise intervention for KTRs at high cardiometabolic risk.
  • To evaluate the intervention's impact on cardiovascular structure and function, cardiorespiratory fitness, and quality of life.
  • To gather data for future definitive trials on exercise in KTRs.

Main Methods:

  • A 12-week, home-based combined resistance and aerobic exercise intervention was tested against usual care in 50 KTRs.
  • Feasibility was evaluated through recruitment, retention, and adherence metrics.
  • Outcomes included cardiac MRI, cardiorespiratory fitness, physical function, biomarkers, quality of life, and patient activation.

Main Results:

  • The study successfully recruited and retained participants for the pilot intervention.
  • Data on cardiovascular structure, function, fitness, and patient-reported outcomes were collected for analysis.
  • The feasibility of the assessment procedures and intervention implementation was confirmed.

Conclusions:

  • A structured, home-based exercise program is feasible for kidney transplant recipients.
  • This pilot study provides essential data to inform the design of larger trials investigating exercise benefits for KTRs.
  • Further research is warranted to confirm the efficacy of exercise interventions in mitigating CVD risk in this population.
Abstract