Accelerated lean body mass loss in incident chronic dialysis patients with diabetes mellitus.

Pupim LB, Heimb├╝rger O, Qureshi AR, Ikizler TA, Stenvinkel P
Kidney Int. 2005 68 (5): 2368-74

PMID: 16221242 · DOI:10.1111/j.1523-1755.2005.00699.x

BACKGROUND - End-stage renal disease (ESRD) patients display a higher incidence of poor nutritional status and are at high risk of hospitalization and death. Patients on renal replacement therapy (RRT) with a primary diagnosis of diabetes mellitus have the lowest survival rates along with highest hospitalization incidence.

METHODS - In this study, we examined the importance of diabetes mellitus along with certain demographic and clinical variables in predicting the change in lean body mass (LBM) by dual-energy x-ray absorptiometry (DEXA), as a surrogate marker of somatic protein stores, in 142 incident ESRD patients (91 males, 52.8 +/- 1.0 years, 74.2 +/- 1.2 kg body weight) among which 34 had diabetes mellitus (19 insulin-dependent and 15 noninsulin dependent).

RESULTS - Our results show that patients with diabetes mellitus had significantly accelerated loss of LBM compared to nondiabetic patients during the first year of RRT (3.4 +/- 0.6 kg vs. 1.1 +/- 0.2 kg) (P < 0.05). Multivariate linear regression analyses revealed that the presence of diabetes mellitus was the strongest predictor of LBM loss independently of several clinically-relevant variables such as age, gender, serum albumin, presence of malnutrition, presence of inflammation, and RRT modality.

CONCLUSION - We conclude that the presence of diabetes mellitus is the most significant independent predictor of LBM loss in renal replacement therapy patients, providing a potential explanation as to why ESRD patients with diabetes mellitus are more prone to muscle wasting.

MeSH Terms (14)

Absorptiometry, Photon Body Mass Index Diabetic Nephropathies Female Humans Incidence Kidney Failure, Chronic Male Middle Aged Multivariate Analysis Muscular Atrophy Nutritional Status Predictive Value of Tests Renal Replacement Therapy

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