Compliance by referring physicians with recommendations on heart failure therapy from a tertiary center

Hans Peter Brunner-La Rocca1, J Capraro, W Kiowsk

  • 1Division of Cardiology, University Hospital, Zurich and Clinic of Cardiology, University Hospital, Basel, Switzerland. brunnerh@uhbs.ch

Insights

Physicians often underdosed heart failure medications like ACE inhibitors/ARBs and beta-blockers, with lower adherence to complex medication changes. Simple, one-step recommendations improved adherence to guideline-directed medical therapy.

Area of Science:

  • Cardiology
  • Pharmacology
  • Internal Medicine

Background:

  • General practitioners' adherence to heart failure specialist recommendations was investigated.
  • The study assessed medication use and physician compliance with expert guidelines.

Purpose of the Study:

  • To evaluate the adherence of referring physicians to heart failure specialist recommendations regarding medication.
  • To determine if general practitioners follow expert advice on heart failure pharmacotherapy.

Main Methods:

  • A cohort of 193 stable heart failure patients (ejection fraction ≤40%) was analyzed.
  • Physician adherence to specialist recommendations on medication (ACE inhibitors/ARBs, beta-blockers, spironolactone) was recorded over 1906 visits.
  • Medication doses and changes were compared to target recommendations.

Main Results:

  • High initial use of ACE inhibitors/ARBs (96%); beta-blocker and spironolactone use increased post-2001.
  • Suboptimal dosing was common for ACE inhibitors/ARBs (55% of target) and beta-blockers (29% of target).
  • Physician adherence was lower for initiating/up-titrating ACE inhibitors/ARBs (62%) and beta-blockers (48%) compared to spironolactone (78%).
  • Single-step recommendations showed higher adherence (63-70%) than multiple-step recommendations (25-48%).
  • No significant difference in adherence was observed between general practitioners and cardiologists.

Conclusions:

  • While beneficial heart failure medications were widely prescribed, doses were often below recommended targets.
  • Physician adherence to medication change recommendations, especially complex ones, was insufficient.
  • Simplified, single-step recommendations and direct prescribing during clinic visits may improve adherence and optimize heart failure management.
Abstract

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