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Ann Intern Med. 1994 May 1;120(9):721-9.

A case-management system for coronary risk factor modification after acute myocardial infarction.

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  • 1Stanford University School of Medicine, CA.

Abstract

OBJECTIVE:

To evaluate the efficacy of a physician-directed, nurse-managed, home-based case-management system for coronary risk factor modification.

DESIGN:

Randomized clinical trial in which patients received a special intervention (n = 293) or usual medical care (n = 292) during the first year after acute myocardial infarction.

SETTING:

5 Kaiser Permanente Medical Centers in the San Francisco Bay area.

PATIENTS:

585 men and women aged 70 years or younger who were hospitalized for acute myocardial infarction.

INTERVENTION:

In the hospital, specially trained nurses initiated interventions for smoking cessation, exercise training, and diet-drug therapy for hyperlipidemia. Intervention after discharge was implemented primarily by telephone and mail contact with patients in their homes. All medically eligible patients received exercise training; all smokers received the smoking cessation intervention; and all patients received dietary counseling and, if needed, lipid-lowering drug therapy.

OUTCOME:

Smoking prevalence and plasma low-density lipoprotein cholesterol (LDL) concentrations were measured 2 months after infarction, and functional capacity was measured 6 months after infarction.

RESULTS:

In the special intervention and usual care groups, the cotinine-confirmed smoking cessation rates were 70% and 53% (P = 0.03), plasma LDL cholesterol levels were 2.77 +/- 0.69 mmol/L and 3.41 +/- 0.90 mmol/L (107 +/- 30 mg/dL and 132 +/- 30 mg/dL) (P = 0.001), and functional capacities were 9.3 +/- 2.4 METS and 8.4 +/- 2.5 METS (P = 0.001), respectively.

CONCLUSION:

In a large health maintenance organization, a case-management system was considerably more effective than usual medical care for modification of coronary risk factors after myocardial infarction.

Comment in

PMID:
8147544
[PubMed - indexed for MEDLINE]
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