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Clinical utility of malnutrition-inflammation score in maintenance hemodialysis patients: focus on identifying the best cut-off point.

Abstract：

BACKGROUND:Malnutrition-inflammation score (MIS) is a comprehensive and quantitative system to assess malnutrition-inflammation complex syndrome, and a strong correlation between MIS and morbidity/mortality in maintenance hemodialysis (MHD) patients had been demonstrated. However, there is no cut-off value of MIS to categorize patients into high risk or low risk patients. METHODS:A total of 257 chronic stable and ambulatory adult MHD patients from Far Eastern Memorial Hospital were enrolled for the study. The MIS of each patient was recorded at the initiation of study and the study population was followed up as a 12-month prospective cohort to evaluate mortality as the primary outcome. RESULTS:Twelve patients died in the 12-month observational period. Both multiple logistic regression analyses and Cox proportional hazards model denoted MIS, alkaline phosphatase, transferrin saturation, ferritin, and total iron binding capacity as significant predictors of 1-year mortality. The conditional effect plot of MIS on 1-year mortality revealed that when fixing the alkaline phosphatase, transferrin saturation, ferritin, and total iron binding capacity at a mean value, the probability of death for an MHD patient whose MIS was 3, 4, and 5 is 10, 40, and 80%, respectively. CONCLUSIONS:Our study shows that MHD patients with MIS score of more than 4-5 had a significant risk of 1-year mortality. Additional risk factors associated with short-term mortality besides malnutrition-inflammation complex syndrome were anemia and renal osteodystrophy. This study proves that MIS is a useful tool to risk-stratify Asian MHD patients and to identify those at risk of short-term death. Nutritional interventions that can improve the MIS may also improve survival, but this hypothesis needs to be verified in interventional studies.

journal_name

Am J Nephrol

journal_title

American journal of nephrology

authors

Ho LC,Wang HH,Peng YS,Chiang CK,Huang JW,Hung KY,Hu FC,Wu KD

doi

10.1159/000137684

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

840-6

issue

eissn

0250-8095

issn

1421-9670

pii

000137684

journal_volume

pub_type

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Clinical utility of malnutrition-inflammation score in maintenance hemodialysis patients: focus on identifying the best cut-off point.