Clinical correlates of insulin sensitivity and its association with mortality among men with CKD stages 3 and 4Show others and affiliations
2014 (English)In: American Society of Nephrology. Clinical Journal, ISSN 1555-9041, E-ISSN 1555-905X, Vol. 9, no 4, p. 690-697Article in journal (Refereed) Published
Abstract [en]
BACKGROUND AND OBJECTIVES: Insulin resistance participates in the pathogenesis of multiple metabolic and cardiovascular diseases. CKD patients have impaired insulin sensitivity, but the clinical correlates and outcome associations of impaired insulin sensitivity in this vulnerable population are not well defined.
DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The prospective cohort study was from the third examination cycle of the Uppsala Longitudinal Study of Adult Men, a population-based survey of elderly men ages 70-71 years; insulin sensitivity was assessed by glucose disposal rate as measured with euglycemic clamps. Inclusion criterion was eGFR<60 ml/min per 1.73 m(2) (n=543). Exclusion criteria were incomplete data on euglycemic clamp and diabetes (n=97), leaving 446 men with CKD stages 3 and 4 (eGFR median=51.9 ml/min per 1.73 m(2); range=20.2-59.5 ml/min per 1.73 m(2)).
RESULTS: The mean of glucose disposal rate was 5.4 ± 1.9 mg/kg per minute. In multivariable analysis, the independent clinical correlates of glucose disposal rate were eGFR (slope, 0.02; 95% confidence interval, 0.01 to 0.04), hypertension (-0.48; 95% confidence interval, -0.86 to -0.11), hyperlipidemia (-0.51; 95% confidence interval, -0.84 to -0.18), and body mass index (-0.32; 95% confidence interval, -0.37 to -0.27). During follow-up (median=10.0 years; interquartile range=8.7-11.0 years), 149 participants died. In Cox regression models, glucose disposal rate was not associated with all-cause or cardiovascular mortality. Multiplicative interactions (P<0.05) were observed between glucose disposal rate and physical activity or smoking in total mortality association. After subsequent stratification, glucose disposal rate was an independent correlate of all-cause mortality in smokers (adjusted hazard ratio, 0.72; 95% confidence interval, 0.54 to 0.96 per 1 mg/kg per minute glucose disposal rate increase) and physically inactive individuals (hazard ratio, 0.77; 95% confidence interval, 0.61 to 0.97) but not their counterparts.
CONCLUSION: eGFR, together with various components of the metabolic syndrome, contributed to explain the variance of insulin sensitivity in men with CKD stages 3 and 4. Insulin sensitivity was associated with a lower mortality risk in individuals who smoked and individuals who were physically inactive.
Place, publisher, year, edition, pages
American Society of Nephrology , 2014. Vol. 9, no 4, p. 690-697
National Category
Clinical Medicine
Research subject
Research Profiles 2009-2020, Health and Welfare
Identifiers
URN: urn:nbn:se:du-14222DOI: 10.2215/CJN.05230513ISI: 000333836600011PubMedID: 24436478Scopus ID: 2-s2.0-84903692695OAI: oai:DiVA.org:du-14222DiVA, id: diva2:723494
2014-06-102014-06-102021-11-12Bibliographically approved