지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Purpose: Warfarin is the most widely used anticoagulant drug for preventing cardiovascular diseases after ischemic stroke and thromboembolism related to atrial fibrillation, artificial heart valves, deep vein thrombosis, and pulmonary embolism. Warfarin is commonly used in combination with other drugs such as diuretics in order to treat the comorbidity. Although several warfarin-diuretics interactions have been reported, the results are conflicting. Therefore, the initial aim of this study was to identify the effects of diuretics on the warfarin response in patients with atrial fibrillation. Methods: One hundred forty six patients with atrial fibrillation who were on anticoagulation therapy with warfarin and maintained INR levels of 2-3 for three consecutive times were followed up, retrospectively. Stable warfarin doses and INR per stable warfarin dose were compared according to age, gender, comorbidity, and concurrent medication. The stable warfarin dose was defined as the maintenance dose of warfarin of the measured patient whose INR was within the target INR range more than 3 times consecutively. Results: The differences of stable warfarin doses in patients with (3.22±1.21 mg/day) and without (3.58±1.14 mg/day) diuretics were marginally significant (P=0.069). On the other hand, stable warfarin doses were 2.97±1.10 mg/day in patients with thiazide (n=36) and 3.58±1.14 mg/day in patients without diuretics (n=82), which was statistically significant (p=0.009). INR values per stable warfarin dose in patients with diuretics and thiazide were 0.84±0.31 and 0.90±0.34, respectively, which were statistically different from those without diuretics (0.72±0.21, P=0.010 and P=0.006, respectively). Age, gender, and concurrent use of thiazide diuretics were found to have significant influence on the warfarin response from multivariate analysis. Conclusion: Our study showed that the concurrent use of thiazide diuretics could increase the response of warfarin in patient with atrial fibrillation. Therefore, clinicians should be aware that warfarin dose needs to be adjusted when it is used with thiazide diuretics concomitantly.
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참고문헌 (22)
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/ / Micromedex
Ansell J / 2008 / Pharmacology and management of the vitamin K antagonists: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines / Chest 133 : 160
Bird J / 2008 / Probable interaction between warfarin and torsemide / Ann Pharmacother 42 : 1893 ~ 1898
Choi SY / 1999 / Clinical characteristics and management in elderly patients with atrial fibrillation / J Korean Geriatr Soc 3 : 82 ~ 90
Garcia D / 2005 / Warfarin maintenance dosing patterns in clinical practice : implications for safer anticoagulation in the elderly population / Chest 127 : 2049 ~ 2056
Ansell J / 2008 / Pharmacology and management of the vitamin K antagonists: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines / Chest 133 : 160
Bird J / 2008 / Probable interaction between warfarin and torsemide / Ann Pharmacother 42 : 1893 ~ 1898
Choi SY / 1999 / Clinical characteristics and management in elderly patients with atrial fibrillation / J Korean Geriatr Soc 3 : 82 ~ 90
Garcia D / 2005 / Warfarin maintenance dosing patterns in clinical practice : implications for safer anticoagulation in the elderly population / Chest 127 : 2049 ~ 2056
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