March 1, 2011Journal of Managed Care PharmacyOpen Access

INR Goal Attainment and Oral Anticoagulation Knowledge of Patients Enrolled in an Anticoagulation Clinic in a Veterans Affairs Medical Center

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Why the study?

Does higher patient anticoagulation knowledge improve INR control in patients receiving warfarin therapy?

Population

185 patients receiving warfarin therapy at a Veterans Affairs outpatient anticoagulation clinic, mean age…

Design

Cross-sectional

Authors

CRCasey A RyalsVA Tennessee Valley Healthcare System KPKristi L Pierce JBJennifer W. BakerVA Tennessee Valley Healthcare System

Discussion

Member takes

Implication

No link between warfarin knowledge and TTR in cross-sectional data; leaves open whether education improves INR control in prospective studies.

Structured PICO

Does higher patient anticoagulation knowledge improve INR control in patients receiving warfarin therapy?

Population

185 patients receiving warfarin therapy at a Veterans Affairs outpatient anticoagulation clinic, mean age 68, 96.2% male. Key indications: atrial fibrillation (61.1%) or deep venous/pulmonary thromboembolism (25.9%).

Intervention

Patient anticoagulation knowledge assessed via the Anticoagulation Knowledge Assessment (AKA) questionnaire

Outcome

Anticoagulation control measured by number of INRs within therapeutic range, time in therapeutic range (TTR) calculated using the Rosendaal method, and standard deviation (SD) of INR values based on the 10 INR values preceding consentsurrogate

Patient knowledge of warfarin therapy, as assessed by a standardized questionnaire, does not significantly correlate with objective measures of INR control.

Cite This Study

Ryals et al. (2011) studied this question.

synapsesocial.com/papers/6a71560735aa2c282ce2a530 https://doi.org/10.18553/jmcp.2011.17.2.133

Topics

Anticoagulation in AF

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Implication

No link between warfarin knowledge and TTR in cross-sectional data; leaves open whether education improves INR control in prospective studies.

INR Goal Attainment and Oral Anticoagulation Knowledge of Patients Enrolled in an Anticoagulation Clinic in a Veterans Affairs Medical Center

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Topics

INR Goal Attainment and Oral Anticoagulation Knowledge of Patients Enrolled in an Anticoagulation Clinic in a Veterans Affairs Medical Center

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider