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Utilization and outcome of coronary revascularization and valve procedures in acute heart failure – an evaluation based on the classification from the European Society of Cardiology

^a Department of Cardiothoracic and Vascular Surgery, University Hospital North Norway, 9038 Tromsø, Norway
^b Institute of Clinical Medicine, University of Tromsø, 9037 Tromsø, Norway

*Corresponding author. Tel.: +47-97666411, fax: +47-77628298.

E-mail address: Stig.Eggen.Hermansen{at}unn.no (S.E. Hermansen).

Early invasive treatments in patients with acute heart failure (AHF) are critical components to improve outcome. We aimed to establish if such treatments were applied according to existing guidelines and also to assess the subsequent mortality in the complete AHF population. All patients with AHF admitted to the intensive care unit/coronary care unit during the years 2003–2004 (n=302) were retrospectively reviewed and classified according to the European Society of Cardiology. Invasive revascularization was applied more frequently in patients with cardiogenic shock following acute coronary syndromes (78%, n=40) than in less severe AHF (58%, n=62, P<0.05). Only 8% (n=4) of eligible patients with acute coronary syndromes and cardiogenic shock were treated non-invasively. Valvular dysfunction was a precipitating factor for AHF in 15% (n=38). Acute mitral regurgitation was treated surgically exclusively in patients with mechanical defects. In-hospital mortality rates for less severe AHF was 12%, cardiogenic shock 46% and postcardiotomy HF 32%. Invasively treated patients had lower in-hospital mortality in both cardiogenic shock (35% vs. 70%, P=0.006) and less severe AHF (6% vs.17%, P=0.042). The study revealed an appropriate use of invasive revascularization. The high mortality in patients with severe AHF indicates that more effective treatment options are needed in eligible patients.

Key Words: Heart failure; Shock; Cardiogenic; Myocardial revascularization; Mortality; Acute coronary syndrome; Heart valve disease