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The Capital Region of Denmark - a part of Copenhagen University Hospital
E-pub ahead of print

Prognostic importance of culprit lesion location in cardiogenic shock due to myocardial infarction

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BACKGROUND: As existing results are diverging, and the patient population has changed significantly, this study sought to investigate the prognostic importance of the culprit lesion location in patients with cardiogenic shock due to myocardial infarction (AMICS), in a contemporary and unselected patient population.

METHODS: From the recruitment area of two tertiary heart centres in Denmark, covering 3.9 million citizens corresponding to two-thirds of the Danish population, all AMICS patients in the period of 2010-2017 were individually identified and validated through patient records.

RESULTS: A total of 1716 patients with AMICS were identified. Immediate revascularization was performed in 1482 patients (86%). Among these, a culprit lesion in the left main coronary artery (LM) was associated with the highest 30-day mortality rate (66%), plogrank<0.0001, which persisted after multivariable adjustment for variables known to be associated with mortality in AMICS, including age, gender, heart rate, lactate, diabetes, stroke and out-of-hospital cardiac arrest, p=0.002. A culprit lesion in the remaining coronary arteries had comparable and lower 30-day mortality (43-48%), plogrank=0.39. Patients with multivessel disease had comparable prognoses irrespective of whether a culprit-only or multivessel percutaneous coronary intervention strategy was used (plogrank=0.80), and whether partial or complete revascularization was achieved (plogrank=0.24).

CONCLUSIONS: Among AMICS patients undergoing revascularization, a LM culprit lesion was associated with the highest short-term mortality, whereas patients with a culprit lesion in the remaining coronary arteries had comparable and lower mortality rates. Multivessel disease patients had similar prognoses irrespective of percutaneous coronary intervention approach and whether partial or complete revascularization was achieved.

Original languageEnglish
JournalEuropean heart journal. Acute cardiovascular care
Pages (from-to)2048872620911848
ISSN2048-8726
DOIs
Publication statusE-pub ahead of print - 18 May 2020

ID: 60124516