Document Detail


Serum beta2 microglobulin (beta2MG) level is a potential predictor for encapsulating peritoneal sclerosis (EPS) in peritoneal dialysis patients.
MedLine Citation:
PMID:  18218305     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Encapsulating peritoneal sclerosis (EPS) is a serious complication in patients undergoing continuous ambulatory peritoneal dialysis (CAPD) or automated peritoneal dialysis (APD). The aim of this study was to find a predictor for EPS. METHODS: Patients with EPS who were detected by a historical cohort study using clinical data of 219 CAPD patients at our hospital. We recruited 25 patients with EPS who were compared with the patients without EPS who were matched for age and dialysis period as controls. Differences between the two groups (non-EPS group and EPS group) with respect to age, gender, primary disease, dialysis period, serum urea nitrogen, serum creatinine, beta2MG, CRP and PET (peritoneal equilibration test) category (determined by the peritoneal function testing) were analyzed. RESULTS: According to multiple regression analysis, a high beta2MG level was an independent risk factor for EPS (odds ratio 1.162, 95% confidence interval 1.026 - 1.317, p = 0.018). Other clinical markers did not show positive significance. A ROC (receiver operating characteristic) curve was prepared to evaluate the suitability of I(2)2MG measurement as a screening test. The sensitivity was 64% and the specificity was 80% when a beta2MG level of 37.0 mg/dl was taken as the cut-off value. The odds ratio for occurrence of EPS was 8.8 when beta2MG level was in the range of 35 - 40 mg/dl, 13.5 when I(2)2MG level was > 40 mg/dl and 1 when beta2MG level was < 30 mg/dl. CONCLUSION: These findings suggest that beta2MG is useful as a screening test for the onset of EPS, and that beta2MG and accumulation of middle-molecular uremic substances may be related to the pathophysiology of EPS.
Authors:
K Yokoyama; H Yoshida; N Matsuo; Y Maruyama; Y Kawamura; R Yamamoto; K Hanaoka; M Ikeda; H Yamamoto; M Nakayama; Y Kawaguchi; T Hosoya
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Clinical nephrology     Volume:  69     ISSN:  0301-0430     ISO Abbreviation:  Clin. Nephrol.     Publication Date:  2008 Feb 
Date Detail:
Created Date:  2008-01-25     Completed Date:  2008-06-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0364441     Medline TA:  Clin Nephrol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  121-6     Citation Subset:  IM    
Affiliation:
Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan. keitaro@jikei.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Biological Markers / blood*
Confidence Intervals
Female
Follow-Up Studies
Humans
Kidney Failure, Chronic / therapy*
Male
Middle Aged
Odds Ratio
Peritoneal Dialysis, Continuous Ambulatory / adverse effects*
Peritoneum / pathology*
Prognosis
ROC Curve
Retrospective Studies
Risk Factors
Sclerosis / blood,  etiology
Time Factors
beta 2-Microglobulin / blood*
Chemical
Reg. No./Substance:
0/Biological Markers; 0/beta 2-Microglobulin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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