Association of alkaline phosphatase with acute myocardial infarction in a population with high prevalence of hypovitaminosis D.

Document Type

Article

Department

Biological and Biomedical Sciences

Abstract

BACKGROUND:

Since Pakistanis have high prevalence of hypovitaminosis-D as well as acute myocardial infarction (AMI), the objective of the study was to investigate the relationship between vitamin-D deficiency and risk of AMI in a hospital-based population and to identify major risk factors for this disease.

METHODS:

Fasting serum samples from 66 consecutive AMI patients [age 30-70 y] and 132 gender and age-matched (within 5 y) healthy controls were analyzed for concentrations of glucose, total-cholesterol, LDL-cholesterol, HDL-cholesterol, triglycerides, calcium, inorganic phosphate, alkaline phosphatase (ALP), bone-ALP, parathyroid hormone (PTH), 25(OH) vitamin-D (25(OH)D) and alanine aminotransferase.

RESULTS:

Mean concentrations of serum 25(OH)D, PTH, total-ALP, bone-ALP, LDL-cholesterol, HDL-cholesterol and glucose were significantly different compared to healthy controls (p<0.05). Percent vitamin-D deficiency/insufficiency (levels<30 ng/ml) was significantly greater in AMI patients compared to controls (93.9% vs.75.8%; p=0.001). Multiple conditional logistic regression analysis revealed that increased levels of 25(OH)D were associated with decreased risk of AMI [MAOR (95% CI)=0.821 (0.718, 0.940); p=0.004]. Hypertension and smoking were positively associated with AMI.

CONCLUSIONS:

Increased vitamin-D levels were associated with decreased risk of AMI, while serum glucose, bone-ALP, hypertension and smoking were positively associated with it. Association of bone-ALP with AMI in hypovitaminosis-D is a novel finding of this study.

Publication (Name of Journal)

Clinica Chimica Acta

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