고혈압 환자의 혈압강하제 처방양상- 외래 처방전을 중심으로

초록

Hypertension is one of the most common chronic diseases and it causes cardiovascular and cerebrovascular disease. While antihypertensive drug use increased, it took 15% of national health insurance drug expenditure. This study aimed to examine the pattern of antihypertensive drug prescription using National Health Insurance claims database and compare it with recommendations of Korea Hypertension Treatment Guidelines. Among the antihypertensive drugs, calcium channel blocker(64.4%) was most commonly prescribed class, and diuretics(44.6%), angiotensin II receptor blocker(33.3%), angiotensin converting enzyme inhibitor(11.7%) was followed. Approximately 81% of antihypertensives prescription were without cardiovascular or cerebrovascular disease, and among the comorbid conditions, diabetes(10.7%) was most common. calcium channel blocker(62.3%) was mostly prescribed class for hypertension with angina pectoris, angiotensin receptor blocker(45.3%) with myocardial infarction, diuretics(70.2%) and calcium channel blocker(49.5%) with congestive heart failure. For Hypertension with cerebrovascular disease, calcium channel blocker(68.0%) and angiotensin receptor blocker(43.3%) were prescribed mainly. When it comes to diabetes, calcium channel blocker(57.2%) was still mostly prescribed and angiotensin receptor blocker(45.9%) followed. But in hospitals and tertiary hospitals, angiotensin receptor blocker(65.7, 66.1%) was mostly prescribed for the patients with diabetes. For Hypertension with chronic renal disease, angiotensin receptor blocker(59.5%), calcium channel blocker(56.5%), diuretics(54.6%) were mainly used. Average number of classes per prescribing was 1.89±0.89 class, average days per prescribing was 33±19 day. Among the hypertension without comorbidity, 40.5% of prescription was monotherapy and 58.8% of polytherapy included diuretics. Among the outpatient prescriptions, calcium channel blocker was the most commonly used class, and the prescription pattern in clinic did not closely followed recommendations of Hypertension Treatment Guidelines.

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