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Quality of anticoagulation care in patients discharged from a pharmacist-managed anticoagulation clinic after stabilization of warfarin therapy.

Abstract：

STUDY OBJECTIVE:To determine if transitioning patients from a pharmacist- managed anticoagulation clinic after stabilization of warfarin therapy to physician-managed care alters the quality of anticoagulation care. DESIGN:Retrospective medical record review. SETTING:Pharmacist-managed, urban academic medical center-based outpatient anticoagulation clinic. PATIENTS:Forty patients who were stabilized on warfarin therapy. MEASUREMENTS AND MAIN RESULTS:Quality of anticoagulation care was measured by percentage of international normalized ratios (INRs) in target range, anticoagulation-related health care visits, and responses to satisfaction surveys. A significant decrease in anticoagulation control was observed on transition to physician-managed care. Before transition, 76% of all INRs were in target range versus 48% after transition (p<0.0001, chi(2) test). When performing paired analysis, a median 75% of each patient's INRs were therapeutic before transition compared with 36.5% after (p<0.0001, Wilcoxon signed rank test). Thirty-two percent of first INR values measured after transition from the clinic were in target range, and the median time to first follow-up INR was 41 days. The number of INR values above 4.5 and below 1.5 increased significantly after transition from the anticoagulation clinic (p<0.0001 and p=0.01, respectively, chi(2) test). Before transition from the anticoagulation clinic, two anticoagulation-related emergency department visits were reported in one patient. After transition, 13 cases of additional medical care were reported among seven patients; seven of the 13 cases required an office visit with the physician, and six resulted in emergency room evaluation. None of these cases resulted in hospitalization. Patient satisfaction with clinical care provided by the anticoagulation clinic was significantly higher before transition. CONCLUSION:Transition of patients from a pharmacist-managed anticoagulation clinic back to physician-managed anticoagulation care after stabilization of warfarin therapy was associated with a significant decrease in INR control, increased medical care related to anticoagulation, and decreased patient satisfaction.

journal_name

Pharmacotherapy

journal_title

Pharmacotherapy

authors

Garwood CL,Dumo P,Baringhaus SN,Laban KM

doi

10.1592/phco.28.1.20

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

20-6

issue

eissn

0277-0008

issn

1875-9114

journal_volume

pub_type

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Quality of anticoagulation care in patients discharged from a pharmacist-managed anticoagulation clinic after stabilization of warfarin therapy.