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PEDIATRICS Vol. 102 No. 5 November 1998, p. e50

ELECTRONIC ARTICLE:
National Trends in the Management of Cardiovascular Disease Risk Factors in Children: Second NHLBI Survey of Primary Care Physicians

Received Mar 30, 1998; accepted Jun 22, 1998.

Sue Y. S. Kimm*, Gerald H. PayneDagger , Mario P. StylianouDagger , Myron A. WaclawiwDagger , and Carolyn Lichtenstein§

From the * Department of Family Medicine & Clinical Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania; Dagger  Division of Epidemiology, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland; and § CODA, Inc, Silver Spring, Maryland.

Background.  The evidence that atherosclerosis begins during adolescence has led to the belief that primary prevention of cardiovascular disease (CHD) should commence in childhood. Although several national guidelines have been issued for the detection and treatment of CHD risk factors in children, concerns continue to be expressed regarding what constitutes appropriate measures and when to institute such measures in children. A 1988 national survey of primary care physicians revealed variation in the management of CHD risk factors in children by physician categories, which suggested the underlying quandary among physicians regarding CHD risk factors in children.

Objective.  To assess current clinical management of pediatric CHD risk factors in the primary care setting and also to evaluate time trends between the current and 1988 surveys.

Methods.  A 25-minute telephone survey was conducted with 1036 of eligible physicians (ie, >20 hours per week direct patient care including at least five pediatric patient contacts) selected from a national probability sample in three practice categories (family practitioners, pediatricians, and general practitioners). The questionnaire assessed the current practice of these physicians in the primary care setting regarding cholesterol and blood pressure (BP) screening and treatment, both nonpharmacologic and pharmacologic, and physician attitude and knowledge.

Results.  Cholesterol screening in children was performed by 75.7% of all physicians. Nonscreening was highest among general practitioners (38%) and lowest among pediatricians (12%). BP was measured by almost all physicians. The majority of physicians (71%) prescribed diet as the first cholesterol-lowering step, but ~16% also used pharmacologic therapy. Cholesterol synthesis inhibitors and bile acid sequestrants were the drugs used most commonly. Approximately 25% of physicians have used drugs in children to treat high BP. Diuretics and beta -blockers were used most frequently. More than one fourth of the physicians had some concern about identifying and treating children for CHD risk factors. There was slightly less cholesterol measurement in 1995 compared with 1988, and no notable increase in the knowledge regarding major CHD risk factors.

Conclusion.  The results of the second National Heart, Lung, and Blood Institute survey of primary care physicians suggest that additional inroads need to be made in the dissemination of the national guidelines for the management of CHD risk factors in children, including appropriate use of pharmacologic agents.  Key words:  children, physician practice, cholesterol, blood pressure, screening, treatment.




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