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Comparing aortic stiffness in kidney transplant recipients, hemodialysis patients, and patients with chronic renal failure.

Clin Transplant; 25(4): E463-8, 2011 Jul-Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21517999


The poor cardiovascular survival of patients with renal insufficiency is improved by transplantation. Carotid-femoral pulse wave velocity (PWV) is able to predict independently overall and cardiovascular mortality. PWV is elevated in renal insufficiency. Consequently, PWV may change according to the improvement in renal function after kidney transplantation.


In a cross-sectional setting, PWV was determined in 40 renal transplant recipients (RTx) and compared to the PWV of 40 age- and gender-matched patients with comparable renal insufficiency (CKD) and 40 age- and gender-matched hemodialysis patients (HD).


RTx and CKD patients had comparable eGFR (RTx: 42.9 ± 18.4, CKD: 48.3 ± 29.1 mL/min/1.73 m(2)) and protein/creatinine ratio (RTx: median 172.5, 25th percentile 97.75, 75th percentile 344.5, CKD: median 183.272, 25th percentile 100.00, 75th percentile 470.00 mg/g creatinine). There was no significant difference in PWV between RTx 3-12 months post-transplant and CKD or HD patients (RTx: 9.65 ± 1.57, CKD: 9.98 ± 3.91, HD: 10.27 ± 2.89 m/s; n = 20 pairs). Similarly, PWV in transplant patients >12-month post-transplant was similar to that of CKD and HD patients (RTx: 9.71 ± 2.23, CKD: 9.36 ± 2.74, HD: 9.84 ± 3.41 m/s; n = 20 pairs).


We could not detect significant differences in PWV comparing RTx with age- and gender-matched CKD patients.