Anticoagulation control in hospitalised patients on warfarin

Society of Hospital Pharmacists of Australia
Publication Type:
Journal Article
Journal of Pharmacy Practice and Research, 2008, 38 (4), pp. 292 - 295
Issue Date:
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Background: Anticoagulation control is a strong predictor of clinical outcomes for patients on warfarin. Aim: To identify instances of excessive anticoagulation in hospitalised patients on warfarin and to determine the causes of international normalised ratios (INRs) of 5 and above and the management strategies used to correct it. Method: An observational descriptive study undertaken at a teaching hospital over a 3-month period. Data were reviewed prospectively and retrospectively to measure the percentage of time patients were maintained within their target INR range while in hospital and to identify cases of excessive anticoagulation. Patients were divided into a control group (INR < 5) and a high INR group (INR . 5). Possible causes of INRs of 5 and above and its management strategies were recorded.
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