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Utilisation of angiotensin receptor blockers in Sweden: combining survey and register data to study adherence to

Pia Frisk1, Tor-Olov Mellgren, Niklas Hedberg

  • 1National Corporation of Swedish Pharmacies (Apoteket AB), SE-118 81, Stockholm, Sweden. pia.frisk@apoteket.se

Insights

Angiotensin receptor blockers (ARBs) are frequently prescribed for hypertension in Sweden. However, current prescribing patterns suggest opportunities exist to improve adherence to established treatment guidelines.

Area of Science:

  • Cardiology
  • Pharmacology
  • Public Health

Background:

  • Angiotensin receptor blockers (ARBs) represent a significant therapeutic option for hypertension and heart failure.
  • Treatment guidelines often recommend ARBs for patients intolerant to angiotensin-converting enzyme inhibitors (ACEi) due to cost considerations.
  • Understanding ARB prescribing patterns is crucial for optimizing cardiovascular pharmacotherapy.

Purpose of the Study:

  • To analyze the prescribing patterns of ARBs in Sweden.
  • To investigate the indications, comorbidities, and first-line treatment status of ARB initiation.
  • To compare real-world ARB usage with existing clinical guidelines.

Main Methods:

  • Combined data from the Swedish Prescribed Drug Register with patient self-reported survey data.
  • Included 517 patients dispensed ARBs across 55 pharmacies.
  • Analyzed prescription data to determine ARB initiation as first-line therapy and prior antihypertensive use.

Main Results:

  • In 2006, ARBs were dispensed to 3.6% of the Swedish population.
  • The primary indication for ARB use was hypertension, reported by 92% of surveyed patients.
  • Register data indicated that 23% of patients initiated on ARBs had no prior antihypertensive prescriptions, suggesting potential first-line use.

Conclusions:

  • ARBs are widely utilized in Sweden, predominantly for managing hypertension.
  • The findings suggest that adherence to current prescribing guidelines for ARBs could be enhanced.
  • Further research may inform strategies to align ARB prescribing with guideline recommendations.
Abstract

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