Martin, Steven Carl
(2003)
Homocysteine and vascular disease.
MD thesis, University of Glasgow.
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Abstract
Cardiovascular disease is multifactorial. The main risk factors for developing cardiovascular disease (age, sex, smoking, diabetes, hyperlipidaemia and hypertension) do not explain its development in everyone. New risk factors are continually being sought in order to better understand and treat the disease process. In recent years homocysteine has been proposed as a risk factor for the development of premature cardiovascular disease as a consequence of the accelerated arterial and venous thrombotic disease seen in homocystinuria as a result of a single gene defect. This theory has been difficult to test because patients with premature cardiovascular disease are thankfully rare and because of the difficulties in measuring homocysteine itself. We propose that, if homocysteine is a causative risk factor for atherothrombosis, it will be involved in the development of cardiovascular disease regardless of age and have therefore studied affected patients from routine hospital clinics. Homocysteine analysis has become easier over the past decade with the development of HPLC methods utilising fluorescent detection, but these methods involve toxic chemicals and suffer from high background fluoresence. I have developed an HPLC method more suited to a routine hospital laboratory utilising coulometric detection for measuring plasma total homocysteine and used it to investigate the relationship between homocysteine levels and both micro- and macro-vascular atherothrombotic disease. (Abstract shortened by ProQuest.)
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