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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
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Comparison of interventional cardiology in two European countries: a nationwide Internet based registry study

T Gudnason1, G S Gudnadottir, B Lagerqvist

  • 1Department of Cardiology, Landspitali University Hospital of Iceland, Reykjavik, Iceland; Cardiovascular Research Institute of Landspitali and the University of Iceland, Iceland; University of Iceland, Reykjavik, Iceland.

International Journal of Cardiology
|December 13, 2012
PubMed

Insights

Interventional cardiology practices vary globally. This study reveals significant differences in techniques and patient indications between Iceland and Sweden, highlighting the need for comparative registry research.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Health Services Research

Background:

  • Interventional cardiology practices exhibit significant international variation.
  • This study presents the first nationwide, long-term comparison of interventional cardiology between two countries.
  • A common web-based registry facilitated this comparative analysis.

Purpose of the Study:

  • To compare interventional cardiology practices and outcomes between Iceland and Sweden.
  • To identify differences in patient selection, procedural techniques, and outcomes using a shared registry.
  • To establish a foundation for future multinational registry trials.

Main Methods:

  • Utilized the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) for data collection.
  • Prospectively collected data on coronary angiographies (CA) and percutaneous coronary interventions (PCI) in Iceland and Sweden over one year.
  • Analyzed background, quality, and outcome parameters from all performed CA and PCI procedures.

Main Results:

  • Iceland had a higher rate of CA per capita and a greater proportion of procedures for stable angina.
  • Sweden showed higher utilization of fractional flow reserve and radial approach in PCI.
  • Both countries demonstrated similar PCI success rates, complete revascularization rates, and low complication rates, with Iceland using drug-eluting stents more frequently.

Conclusions:

  • Significant differences in interventional cardiology techniques and patient indications exist between Iceland and Sweden.
  • Comparative registry data can reveal crucial variations in clinical practice.
  • Findings support the potential for multinational randomized registry trials in real-world populations.
Abstract

Keywords:
Cardiovascular registriesComplicationsCoronary angiographyInterventional cardiologyPercutaneous coronary interventionsQuality control

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