Low Physical Activity and Risk of Cardiovascular and All-Cause Mortality in Renal Transplant Recipients

D.M. Zelle, E. Corpeleijn, R.P. Stolk, M.H.G. de Greef, R.O.B. Gans, J.J.H. van der Heide, G. Navis, S.J.L. Bakker

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Background and objectives Low physical activity (PA) is a risk factor for mortality in the general population. This is largely unexplored in renal transplant recipients (RTRs). We studied whether PA is associated with cardiovascular and all-cause mortality in a prospective cohort of RTR.

Design, setting, participants, & measurements Between 2001 and 2003, 540 RTRs were studied (age, 51 12 years; 54% male). PA was assessed using validated questionnaires (Tecumseh Occupational Activity Questionnaire and the Minnesota Leisure Time Physical Activity Questionnaire). Cardiovascular and all-cause mortality were recorded until August 2007.

Results Independent of age, PA was inversely associated with metabolic syndrome, history of cardiovascular disease, fasting insulin, and triglyceride concentration, and positively associated with kidney function and 24-hour urinary creatinine excretion (i.e., muscle mass). During follow-up for 5.3 years (range, 4.7 to 5.7 years), 81 RTRs died, with 37 cardiovascular deaths. Cardiovascular mortality was 11.7, 7.2, and 1.7%, respectively, according to gender-stratified tertiles of PA (P = 0.001). All-cause mortality was 24.4, 15.0, and 5.6% according to these tertiles (P <0.001). In Cox regression analyses, adjustment for potential confounders including history of cardiovascular disease, muscle mass, and traditional risk factors for cardiovascular disease did not materially change these associations.

Conclusions Low PA is strongly associated with increased risk for cardiovascular and all-cause mortality in RTRs. Intervention studies are necessary to investigate whether PA improves long-term survival after renal transplantation. Clin J Am Soc Nephrol 6: 898-905, 2011. doi: 10.2215/CJN.03340410

Originele taal-2English
Pagina's (van-tot)898-905
Aantal pagina's8
TijdschriftClinical Journal of the American Society of Nephrology
Nummer van het tijdschrift4
StatusPublished - apr-2011

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