Vol 78, No 5 (2020)
Original article
Published online: 2020-03-23

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Out-of-hospital cardiac arrest: data from the National Registry of Invasive Cardiology Procedures (ORPKI) in a long-term survival analysis of patients with acute coronary syndromes in a Polish region

Janusz Sielski, Karol Kaziród-Wolski, Zbigniew Siudak
Pubmed: 32207699
Kardiol Pol 2020;78(5):412-419.

Abstract

Background: Out‑of‑hospital cardiac arrest (OHCA) is one of the leading causes of death in high‑income countries.

Aims: This study aimed to analyze long ‑term survival in patients with OHCA in the ŚwiętokrzyskieProvince, who were included in the National Registry of Invasive Cardiology Procedures (ORPKI), estimate survival probability, and evaluate associated risk factors.

Methods: Based on the ORPKI registry, we identified subjects with OHCA prior to hospitalization. Data were collected from January 1, 2014 to December 31, 2016.

Results: Out‑of ‑hospital cardiac arrest occurred in 90 of 9855 patients diagnosed with myocardial infarction. We identified 2 significant risk factors: renal failure (HR, 6.53; 95% CI, 1.17–36.40; P = 0.03) and time (hours) from symptom onset to first medical contact (HR, 1.04; 95% CI, 1.01–1.08; P = 0.02). The probability of survival in patients below 66 years of age was almost 2‑fold higher (HR, 1.99; 95% CI, 1.1–3.59; P = 0.02) than in those over the age of 66 years. In those without diabetes mellitus, it was more than 2‑fold higher (HR, 2.36; 95% CI, 1.12–4.98; P = 0.03) than in diabetic patients, and in individuals with single‑vessel coronary artery disease, it was almost 3‑fold higher (HR, 2.76; 95% CI, 1.51–5.06; P = 0.001) than in those with multivessel coronary artery disease.

Conclusions: Well‑documented predictors of all ‑cause mortality include: age, history of diabetesmellitus and renal failure, multivessel coronary artery disease on angiography, and time from pain onset to first medical contact. The total amount of contrast agent administered during invasive procedures and patient radiation exposure during procedures are less commonly reported risk factors for unfavorable outcomes.

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Polish Heart Journal (Kardiologia Polska)