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Journal of Korean Society Quality Assurance Health Care 1995;2(1): 68.
Published online May 30, 1995.
Delphi방법을 이용한 일차의료 고혈압 진료지침 개발 및 적용
양윤준1, 홍명호2
1인제대학교 상계백병원 가정의학과
2고려대학교 구로병원 가정의학과
Establishment and Application of the Guideline for Hypertension by Delphi Method in the Field of Primary Medical Care
Yun-Jun Yang1, Myung-Ho Hong2
1Department of Family Medicine, InJe University
2Department of Family Medicine, Korea University
Abstract
Background
Guideline for practice is useful because it can be the standard for assessment and way to improve quality. We need to take account of expert opinion and consensus as well as scientific evidences to develope practice guideline because it should be practical. Delphi method has been developed to gather opinions from experts fairly. This study was designed to develop practice guideline and apply it to practices as a method to improve quality in primary medical care.
Methods
Hypertension(in adults over 18 years old) was selected as a target problem. Self questionnaires about management of hypertensive patients were developed by a researcher with advice of 11 experts. The questionnaires were designed to response as a 5 pont scale. The results of previous questionary were given to respondents in second and third questionnaires. If needed, the questionnaires were changed on the previous responses. The items with medium greater than or equal to 4 point in 1st and 2nd responses were accepted in guideline. The items with medium lesser than or equal to 3 point were questioned again about whether they can be excluded or not. The criteria for assessment was made with reference to guideline and applied to 85 hypertensive patients of 9 family practitioners. At 3 months after practice guideline had been given to family practitioners, performance of same practitioners was assessed with 36 new hypertensive patients.
Results
23 professors in family medicine, 22 family practitioners and 6 cardiologists, responded among 50, 50, 15 respectively. Practice guideline with 33 items was developed as a result of 3 times questionaires. The difference of responses between professors in family medicine, family practitioners and cardiologists was not significant. Performance of practice was improved in diagnosis, history taking about 6 fields, laboratory examination and decision making about time of pharmaceutical prescription. It was not improved in physical examination, life style modification, method of pharmaceutical prescription, choice of initial antihypertensives and history taking about duration of disease and diet habit. It was decreased in history taking about psychosocial factors. The assessment scores were low in history taking, physical examination and life style modification before and after use of practice guideline.
Conclusion
Practice guideline for hypertension could be developed by Delphi method. Performance of practice improved partially after use of guideline.
Key words Hypertension;Practice guideline;Primary care;Quality assurance;Delphi method;
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