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Atherosclerotic vascular disease is more prevalent among black ESKD patients on long-term CAPD in South Africa.

Abstract：

BACKGROUND:Occurrence of cardiovascular disease (CVD) in the setting of chronic kidney disease (CKD) can be described as a "cruel alliance", with CVD responsible for about half of all deaths among CKD patients. Chronic kidney disease patients are more likely to die from CVD than progress to end stage kidney disease (ESKD). Dyslipidaemia, a known traditional risk factor for CVD, is highly prevalent among CKD patients and with an even higher frequency among ESKD patients on dialytic therapies. Prolonged exposure of continuous ambulatory peritoneal dialysis (CAPD) patients to high glucose concentrations in CAPD fluid have been associated with increased risk of cardiovascular events. In this study, we investigated the relationship of atherosclerotic vascular disease (AsVD) to clinical and echocardiographic parameters among black South Africans with CKD (stage 3) and ESKD on CAPD and haemodialysis (HD). METHODS:This was a cross-sectional study of 40 adult (18-65 years) non-diabetic CKD patients (kidney disease outcome quality initiative [KDOQI] stage 3), 40 ESKD patients on CAPD, 40 ESKD patients on HD and 41 age and sex-matched healthy controls. An interviewer-administered questionnaire was used to obtain information on participants' sociodemographic and cardiovascular risk factors. Anthropometric parameters were measured. Serum blood samples were analysed for creatinine, albumin and lipid profile; lipoprotein ratios, Framingham's risk score and the 10-year risk of developing coronary heart disease (CHD) were calculated. Echocardiography was performed on all patients and carotid intima media thickness (CIMT) was measured in both right and left carotid arteries at 1 cm proximal to the carotid bulb. Spearman's rank correlation and binary logistic regression were conducted to determine the relationship of AsVD to clinical and echocardiographic parameters. RESULTS:Atherosclerotic vascular disease was most prevalent among ESKD patients on CAPD (70%, n = 28/40). Chronic kidney disease and HD patients exhibited a similar prevalence (47.5%, n = 19/40), while the prevalence in controls was 17.1% (n = 7/41). Presence of AsVD was associated with significantly older age, higher waist hip ratio (WHR), left ventricular mass index (LVMI) and Framingham's 10-year risk of developing CHD. Significant differences in clinical and echocardiographic parameters were observed when the study groups were compared. Age and LVH independently predicted AsVD. CONCLUSION:Atherosclerotic vascular disease was more prevalent among CAPD patients compared to pre-dialysis CKD and HD patients. Among all lipoprotein ratios assessed, non-HDL-C showed the most consistent significant difference between the groups. Age (> 40 years) and presence of LVH were independent predictors of AsVD.

journal_name

BMC Nephrol

journal_title

BMC nephrology

authors

Oguntola SO,Hassan MO,Duarte R,Vachiat A,Manga P,Naicker S

doi

10.1186/s12882-019-1583-8

subject

Has Abstract

pub_date

2019-10-30 00:00:00

pages

399

issue

issn

1471-2369

pii

10.1186/s12882-019-1583-8

journal_volume

pub_type

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Atherosclerotic vascular disease is more prevalent among black ESKD patients on long-term CAPD in South Africa.