Cardiorespiratory fitness in kidney transplant recipients: A pilot randomised controlled trial of structured home-based rehabilitation and a nested case-control analysis.
Roseanne E Billany, Noemi Vadaszy, Stephanie Burns and 12 others
PMID 41468011WHAT IT FOUND
A 12-week home-based aerobic and resistance programme improved peak oxygen uptake by 1.50 mL/kg/min in kidney transplant recipients compared to guideline care.
The trial was a pilot, so these fitness gains require confirmation in larger studies before changing practice.
Key findings
01After adjusting for baseline, the home-based exercise group had a 1.50 mL/kg/min greater increase in peak oxygen uptake (mL/kg/min) compared to the control group.
02The intervention group also showed significantly higher maximum heart rate and maximum workload at follow-up compared to controls.
03Kidney transplant recipients had significantly lower peak oxygen uptake and worse heart rate recovery than age- and sex-matched healthy volunteers.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The trial was designed as a pilot feasibility study and was underpowered to detect definitive differences in cardiopulmonary outcomes. Participants were not blinded to their allocation, which could influence self-reported adherence or effort during testing. Recruitment may have attracted a fitter, more motivated subset of transplant recipients, limiting generalisability to the wider population. The nested case-control analysis used data from two separate studies, which may introduce inconsistencies in testing protocols despite matching efforts.
Declared interests
Funded by Kidney Research UK and the British Heart Foundation/NIHR. The authors declared no conflicts of interest, and the funders had no input into the study design, analysis, or manuscript preparation.
The easy way to misread this
Do not interpret the 1.50 mL/kg/min improvement as definitive proof of efficacy. This was a pilot trial explicitly stated to be underpowered, and the primary aim was feasibility. Larger, adequately powered trials are required to confirm these fitness gains.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →