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  • Title: Failure of implementation of the National Heart Foundation of New Zealand guidelines for the management of dyslipidaemia.
    Author: Patel H, Neutze JM, Kerr B, White HD.
    Journal: N Z Med J; 1996 Feb 09; 109(1015):24-6. PubMed ID: 8606809.
    Abstract:
    AIMS: We examined the outcome of patients at high absolute risk of coronary events who had been discharged from the Green Lane Hospital risk factor clinic before publication of the 1993 National Heart Foundation of New Zealand (NHF) guidelines for management of dyslipidaemia. METHODS: Consecutive patients who had been discharged >12 months previously were followed up by general practitioner and patient questionnaires. Patients were categorised according to risk of a coronary event over 10 years. Ideal lipid levels (cholesterol <5.2 mmol/L, high-density lipoprotein (HDL) cholesterol >1 mmol/L, total:HDL cholesterol ratio <5) and 'acceptable' lipid levels (cholesterol <6.5 mmol/L for high risk, <7.5 for moderate risk, <8 in men and <8.5 in women at mild or low risk) were defined according to the NHF guidelines. RESULTS: Of the 270 patients, 55.6% were at very high risk, 25.5% at high risk, 10.4% at moderate risk, 3.8% at mild risk and 0.7% at low risk. Twenty-four percent of patients were managed on diet alone at clinic discharge and 18% at follow up of 32+/-12 months. Total cholesterol (6.39 mmol/L), HDL cholesterol (1.22 mmol/L) and the total:HDL cholesterol ratio (5.71) were unchanged from discharge. In the very high risk group ideal lipid levels were achieved in only 12% at discharge and 7% at follow up. The corresponding figures for achievement of acceptable lipids at discharge compared with follow up were 48% and 39% for the high risk group, 88% and 79% for the moderate risk group and 93% and 93% for the mild risk group. The corresponding figures for achievement of ideal lipids were 4% and 8% for the high risk group, 0% and 5% for the moderate risk group and 7% and 7% for the mild risk group. CONCLUSIONS: Lipid levels achieved during clinic visits were maintained long term, but there were no improvements following publication of the NHF guidelines. Continued efforts are needed to increase awareness and implementation of the guidelines, particularly in patients at high risk. Removal of the restrictions on prescription of lipid modifying agents by general practitioners and improved interchange between general practitioners and specialists should greatly improve these outcomes.
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