• Zofia Parma, Robin Young, Tomasz Roleder, Miłosz Marona, Ian Ford, Michał Tendera, Philippe G Steg, and Janina Stępińska.
• Department of Cardiology and Structural Heart Diseases, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
• Pol. Arch. Med. Wewn. 2019 Apr 5; 129 (5): 327-334.

AbstractINTRODUCTION An international registry of ambulatory patients with stable coronary artery disease (CLARIFY) allows a comparison of management and outcomes in real‑life setting. OBJECTIVES We aimed to compare the management strategies and 5‑year outcomes in patients from Poland and from other European countries. PATIENTS AND METHODS Stable coronary artery disease was defined as previous myocardial infarction (MI) or revascularization, coronary stenosis greater than 50%, or documented symptomatic myocardial ischemia. Patients were followed on an annual basis for 5 years. RESULTS Among the total of 32 703 patients, 1000 were enrolled in Poland, and 17 326 in other European countries. Polish patients were younger, with a higher proportion of women, smokers, and patients with previous MI, dyslipidemia, and hypertension. Patients in both cohorts received adequate medical treatment, with more Polish patients receiving β‑blockers. Blood pressure and lipid control to target was similar and remained low in both cohorts. Diabetes control and successful smoking cessation rates were lower in Poland than in other European countries. Polish patients more often underwent percutaneous coronary intervention. All‑cause (8.5% vs 7.9%; P = 0.81) and cardiovascular death rates (5.3% vs 4.9%; P = 0.82) did not differ between the groups, but fatal or nonfatal MI occurred more often in the Polish cohort (5% vs 3.1%; P = 0.006). Angina control was better in Poland than in other European countries (Canadian Cardiovascular Society class II-IV, 11.5% vs 15.8% of patients; P <0.001). CONCLUSIONS Risk factor control was insufficient both in patients from Poland and in those from other European countries. The more frequent use of revascularization in Polish patients was not linked to improved outcomes, but, together with more extensive prescription of β‑blockers, might have contributed to better angina control.

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