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Management of elevated cholesterol levels by New Hampshire primary care physicians
P M Vivier1, A J Dietrich, L A Witters
1Brown-Dartmouth Program in Medical Education, Department of Community and Family Medicine, Dartmouth Medical School, Hanover, NH 03756.
Insights
Physicians recognize the importance of blood lipid testing but have varied risk perceptions for coronary heart disease. Many physicians feel less effective managing lipid abnormalities than hypertension, indicating a need for improved clinical practice guidelines.
Area of Science:
- Cardiology
- Preventive Medicine
- Clinical Practice Research
Background:
- Expert consensus exists on managing abnormal blood lipid levels.
- Clinician attitudes and practices regarding blood lipids are not well-defined.
- Effective management of dyslipidemia is crucial for cardiovascular disease prevention.
Purpose of the Study:
- To assess the attitudes and management practices of New Hampshire family physicians and general internists concerning blood lipids.
- To identify discrepancies between expert recommendations and clinical practice in lipid management.
- To understand physician-perceived barriers to implementing lipid management guidelines.
Main Methods:
- A questionnaire-based survey was mailed to a representative sample of family physicians and general internists in New Hampshire in late 1986.
- Data collected included physician attitudes towards blood lipid testing and risk assessment.
- Physician self-perceived effectiveness in managing lipid abnormalities versus hypertension was assessed.
Main Results:
- Physicians widely agree on the importance of blood lipid testing in adults.
- There is significant variation in physicians' definitions of high-risk cholesterol levels for coronary heart disease (CHD).
- Over 40% of physicians considered cholesterol levels of 7.80 mmol/L (300 mg/dL) or higher as high-risk for CHD in patients aged 40-59.
- Physicians reported feeling less effective in managing lipid abnormalities compared to hypertension.
- No significant differences in attitudes or behaviors were found between family physicians and general internists.
Conclusions:
- Substantial educational efforts are needed to align physician practices with expert recommendations for lower high-risk cholesterol thresholds.
- Interventions should focus on enhancing physicians' confidence and skills in managing dyslipidemia.
- Bridging the gap between expert guidelines and clinical practice is essential for improving cardiovascular risk reduction.
Abstract:
While experts are reaching a consensus on the appropriate management of abnormal blood lipid levels, the attitudes and behaviors of practicing clinicians are not well defined. This study addresses the attitudes and management practices regarding blood lipids of a representative sample of family physicians and general internists in the state of New Hampshire as determined by a questionnaire mailed during late 1986. Physicians consider blood lipid testing to be important in adults, but vary widely in their idea of what levels represent high risk for coronary heart disease. Over 40 percent felt that cholesterol levels need to be 7.80 mmol/L (300 mg/dL) or greater to constitute a high risk for coronary heart disease for patients aged 40 to 59 years. In addition, physicians feel much less effective in managing lipid abnormalities than in managing hypertension. Family physicians and general internists did not differ significantly in behavior or attitudes. To implement new expert recommendations, substantial efforts will be required to convince physicians to adopt lower cholesterol levels as indicating high risk for coronary heart disease and to feel more effective in patient management.