Endothelial dysfunction in peritoneal dialysis patients with and without failed renal transplants.

Abstract:

BACKGROUND:Endothelial dysfunction (ED) is a common, early abnormality that predisposes patients to develop atherosclerosis and cardiovascular events; inflammation is associated with atherosclerosis and malnutrition. Patients with failed transplants are usually complicated by inflammation; however, ED in this group of patients has not been well defined. In this cross-sectional study, we sought to investigate ED among naïve peritoneal dialysis (nPD) patients who were never transplanted as well as patients with failed renal transplants who were re-starting peritoneal dialysis (fTxPD). METHODS:Twenty-five nPD patients (15 female/10 males; mean age, 44 +/- 11 years), and 12 fTxPD patients (4 males; mean age, 37 +/- 10 years) were included in the study. Coronary flow reserve (CFR) measurements were used to evaluate ED. Serum creatinine, calcium, phosphorus, total cholesterol, albumin, hemoglobin, and intact parathyroid hormone (iPTH) were measured. Also, highly sensitive C-reactive protein (hs-CRP) levels and weekly Kt/V were determined as possible confounding factors. Results were compared between the 2 groups. RESULTS:There were no significant differences regarding age, gender, mean systolic and diastolic blood pressures, or smoking status. Mean duration on PD, peritoneal transport characteristics, PD modality and doses, frequency of peritonitis episodes, as well as serum creatinine, calcium, phosphorus, total cholesterol, albumin, hemoglobin and iPTH levels were similar between the 2 groups. Weekly Kt/V of both groups were similar as well. However, hs-CRP levels were significantly higher (34 +/- 52 vs 6.7 +/- 7.5 mg/L; P = .017) and CFR significantly lower among patients with fTxPD compared with nPD patients (1.52 +/- 0.20 vs 1.91 +/- 0.53; P = .022). CONCLUSION:ED was more prominent among patients with failed transplants than nPD cases, suggesting that the failed allograft may be responsible for this abnormality.

journal_name

Transplant Proc

authors

Gorgulu N,Yelken B,Caliskan Y,Elitok A,Cimen O,Yazici H,Oflaz H,Turkmen A,Bozfakioglu S,Sever MS

doi

10.1016/j.transproceed.2009.06.200

subject

Has Abstract

pub_date

2009-11-01 00:00:00

pages

3647-50

issue

9

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(09)01352-9

journal_volume

41

pub_type

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