Guideline Adherence of Antithrombotic Treatment Initiated by General Practitioners in Patients With Nonvalvular Atrial Fibrillation: A Danish Survey

Axel Brandes, Mikkel Overgaard, Liane Plauborg, Christian Dehlendorff, Frede Lyck, Jørgen Peulicke, Søren Vinther Poulsen, Steen Husted

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

BackgroundThe aim of this prospective survey was to describe the demographics, stroke risk profile, and the guideline adherence of antithrombotic treatment in a Danish primary care population of patients with nonvalvular atrial fibrillation (AF). HypothesisWe hypothesized that a significant proportion of patients with nonvalvular AF do not receive guideline-adherent antithrombotic treatment in primary care. MethodsWe performed a cross-sectional survey of antithrombotic treatment using data of AF patients from general practices. ResultsSixty-four general practitioners enrolled 1743 patients with a mean age of 74.811.2 years. The mean CHADS(2) and CHA(2)DS(2)-VASc scores were 1.9 +/- 1.3 and 3.5 +/- 1.8, respectively. Of the patients, 12.4% and 4.04%, respectively, were at truly low risk, with a CHADS(2) and CHA(2)DS(2)-VASc score 0 (P <0.001). A score of 1 was seen in 28.0% vs 9.0% (P <0.001) of the patients. Of all patients, 66.3% were treated with oral anticoagulants, 18.7% with antiplatelet drugs only, and 15% received no antithrombotic therapy. Based on the CHADS(2) score, 75.7% of the patients were treated in adherence with the guidelines, 16% were undertreated, and 8.4% overtreated. The corresponding numbers for the CHA(2)DS(2)-VASc score were 75.4%, 22.7%, and 1.8%, respectively. The differences in guideline adherence applying the 2 scores were significant (P <0.001). Of patients receiving no antithrombotic therapy, 64.1% were treated in adherence to the guidelines according to the CHADS(2) score. Applying the CHA(2)DS(2)-VASc score, this proportion was only 53.4%. Antiplatelet drug treatment was in adherence to the guidelines (CHADS(2) and CHA(2)DS(2)-VASc score of 1) in only 31% and 12% of the patients, respectively. ConclusionsAntithrombotic treatment of AF patients is in general well performed in primary care in Denmark. Further improvements may be achieved by thorough stroke risk stratification on the basis of current evidence-based guidelines.
Original languageEnglish
JournalClinical Cardiology
Volume36
Issue number7
Pages (from-to)427-432
ISSN0160-9289
DOIs
Publication statusPublished - 2013

Keywords

  • Aged
  • Aged, 80 and over
  • Anticoagulants
  • Atrial Fibrillation
  • Chi-Square Distribution
  • Cross-Sectional Studies
  • Denmark
  • Drug Utilization Review
  • Female
  • Fibrinolytic Agents
  • General Practitioners
  • Guideline Adherence
  • Health Care Surveys
  • Humans
  • Male
  • Middle Aged
  • Physician's Practice Patterns
  • Platelet Aggregation Inhibitors
  • Practice Guidelines as Topic
  • Primary Health Care
  • Prospective Studies
  • Risk Assessment
  • Risk Factors
  • Stroke
  • CARDIAC
  • CLINICAL CLASSIFICATION SCHEMES
  • ACUTE ISCHEMIC-STROKE
  • EURO HEART SURVEY
  • RISK STRATIFICATION
  • NATIONAL REGISTRY
  • PREDICTING STROKE
  • TASK-FORCE
  • MANAGEMENT
  • WARFARIN
  • ANTICOAGULATION
  • anticoagulant agent
  • antithrombocytic agent
  • adult
  • aged
  • anticoagulant therapy
  • article
  • cardiovascular risk
  • cerebrovascular accident
  • female
  • general practice
  • general practitioner
  • health care survey
  • heart atrium fibrillation
  • human
  • major clinical study
  • male
  • practice guideline
  • primary medical care
  • prospective study
  • scoring system

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