학술논문

Can oral vitamin D prevent the cardiovascular diseases among migrants in Australia? Provider perspective using Markov modelling.
Document Type
Article
Source
Clinical & Experimental Pharmacology & Physiology. Jun2015, Vol. 42 Issue 6, p596-601. 6p. 2 Diagrams, 3 Charts.
Subject
*THERAPEUTIC use of vitamin D
*CARDIOVASCULAR disease prevention
*VITAMIN D deficiency
*MARKOV processes
*PREVENTION
Language
ISSN
0305-1870
Abstract
The study was designed to model the effectiveness and cost effectiveness of oral Vitamin D supplementation as a primary prevention strategy for cardiovascular disease among a migrant population in Australia. It was carried out in the Community Health Service, Kensington, Melbourne. Best-case scenario analysis using a Markov model was employed to look at the health care providers' perspective. Adult migrants who were vitamin D deficient and free from cardiovascular disease visiting the medical centre at least once during the period from 1 January 2010 to 31 December 2012 were included in the study. The blood pressure-lowering effect of vitamin D was taken from a published meta-analysis and applied in the Framingham 10 year cardiovascular risk algorithm (with and without oral vitamin D supplements) to generate the probabilities of cardiovascular events. A Markov decision model was used to estimate the provider costs associated with the events and treatments. Uncertainties were derived by Monte Carlo simulation. Vitamin D oral supplementation (1000 IU/day) for 10 years could potentially prevent 31 (interquartile range ( IQR) 26 to 37) non-fatal and 11 ( IQR 10 to 15) fatal cardiovascular events in a migrant population of 10 000 assuming 100% compliance. The provider perspective incremental cost effectiveness per year of life saved was AU$3,992 ( IQR 583 to 8558). This study suggests subsidised supplementation of oral vitamin D may be a cost effective intervention to reduce non-fatal and fatal cardiovascular outcomes in high-risk migrant populations. [ABSTRACT FROM AUTHOR]