Abstract
Receiving a kidney transplant can transform the health and quality of life of a patient with end stage renal failure. However, physical function (PF) tends not to recover fully and physical activity levels usually fail to reach that of the general population. Paradoxically, in the post-transplantation period, body composition shifts continuously towards fat tissue, with low muscle mass partly due to immunosuppressive drugs. Cardiovascular (CV) disease remains the major cause of morbidity and mortality. This study aimed to explore the association of PF with cardiac parameters and body composition in RTRs. 35 stable RTRs (Mean age 52 y (range 29–70), 66% male) participated. PF was assessed using sit to stand 5 (STS5) and incremental and endurance shuttle-walk tests (ISWT and ESWT). Cardiac haemodynamic function was measured by bioreactance (NICOM), and body composition by dual energy X-ray absorptiometry (DEXA). Mean body fat%[SEM] was 33[2] and fat-free mass was 51.2 kg [2.0]. ISWT and ESWT inversely correlated, and STS-5 positively correlated, with body fat% (ISWT: r = –0.63; ESWT: r = –0.57; STS-5: r = 0.61, all p
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