Objective. To determine the contribution of classical risk factors to the development of cardiovascular disease (CVD) in patients with heterozygous familial hypercholesterolaemia (FH). Design. A retrospective, multi-centre, cohort study. Extensive data were collected by scrutinizing medical records and the use of questionnaires. Multivariate Cox regression was used to study the relationship between potential risk factors and the occurrence of CVD. Setting and subjects. We included 2400 FH patients from 27 Dutch lipid clinics. The diagnosis of FH was based upon the presence of a low-density lipoprotein receptor mutation or upon strict clinical criteria.
Main outcome measures. Cardiovascular mortality and CVD.Results. During 112.943 person-years, 782 (32.6%) patients had had at least one cardiovascular event. Male gender (RR 2.82, 95% CI 2.37-3.36), smoking (RR 1.67, 95% CI 1.40-1.99), hypertension (RR 1.36, 95% CI 1.06-1.75), diabetes mellitus (RR 2.19, 95% CI 1.36-3.54), low HDL-C (RR 1.37, 95% CI 1.15-1.63) and elevated lipoprotein(a) levels (RR 1.50, 95% CI 1.20-1.79) proved to be independent CVD risk factors. These six risk factors explained 18.7% of the variation in the occurrence of CVD. Conclusions. Male gender, smoking, hypertension, diabetes mellitus, HDL cholesterol and lipoprotein(a) levels proved to be important risk factors for CVD in FH patients. In addition to the routine institution of statin therapy, controlling these factors needs special attention in the management of this disorder.
A minority of U.S. medical schools from which information was obtained requires training in palliative care and evaluates students in their care of patients with advanced, incurable conditions. Most medical schools have chosen to include palliative care topics within existing courses. AAMC's existing database does not assess the scope or extent of coursework and rotations in palliative care. Guidelines are needed that address palliative care education and training of medical students.
Despite the use of stringent clinical criteria to define FH patients, two cohorts could be identified within our study population, namely those patients with and those without an LDLR mutation. Our findings suggest that among those without an LDLR mutation, patients with other causes of dyslipidaemia may be present. These observations underline the relevance of genetic testing in FH for clinical practice, for screening purposes, and for research involving these patients.
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