4 years ago

Lipid Profile And Bone Mineral Density In Heavy Alcoholics

Some studies have illustrated the association between serum lipid profile and bone mineral density (BMD) or fractures. None of these studies was performed among alcoholics, despite the fact that alcoholism may affect both bone mass and lipid metabolism. We here analyse the relationship of serum lipid profile with bone mass among a population of 280 heavy alcoholics (29 women). Methods: patients underwent a densitometric assessment of BMD and determination of a serum lipid panel. Castelli index (Total cholesterol/HDL cholesterol) and the LDL/HDL cholesterol index were calculated. Results: There was a direct correlation between both total cholesterol and LDL-cholesterol and femoral neck (r=0.17 and r=0.20, respectively) and lumbar spine (r=0.16 and r=0.20) T score, total BMD (r=0.14 and r=0.18) or pelvis BMD (r=0.16 and r=0.23; p<0.025 in all cases). HDL-cholesterol showed no relationship with BMD. Serum triglycerides were also directly related to T score at the lumbar spine (ρ=0.13; p=0.032) and pelvis BMD (ρ=0.13; p=0.037). Pelvis BMD was significantly related to Castelli index (ρ=0.15) and LDL/HDL index (ρ=0.18; p<0.015 in both cases). Multivariate analysis showed that the association between the serum lipid panel and BMD was independent of liver function and body mass index. Conclusions: Therefore, BMD was directly related to total cholesterol and LDL cholesterol in heavy alcoholism. This counter intuitive observation adds to others derived from several similar studies conducted in different population groups -but not in alcoholics as of yet. The mechanisms that explain the association between serum lipids and bone metabolism need further investigation.

Publisher URL: www.sciencedirect.com/science

DOI: S0261561417313687

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