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. 2019 Nov;21(11):1370-1378.
doi: 10.1002/ejhf.1566. Epub 2019 Jul 24.

Temporal trends in incidence and patient characteristics in cardiogenic shock following acute myocardial infarction from 2010 to 2017: a Danish cohort study

Ole K L Helgestad  1   2 , Jakob Josiassen  3 , Christian Hassager  3   4 , Lisette O Jensen  1 , Lene Holmvang  3   4 , Anne Sørensen  1 , Martin Frydland  3   4 , Annmarie T Lassen  5 , Nanna L J Udesen  1 , Henrik Schmidt  6 , Hanne B Ravn  4   7 , Jacob E Møller  1   2
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Free article

Temporal trends in incidence and patient characteristics in cardiogenic shock following acute myocardial infarction from 2010 to 2017: a Danish cohort study

Ole K L Helgestad et al. Eur J Heart Fail. 2019 Nov.
Free article

Abstract

Aim: We sought to describe the contemporary annual incidence of cardiogenic shock (CS) following acute myocardial infarction (AMICS), the proportion of patients developing CS following ST-elevation myocardial infarction (STEMI), and other temporal changes in AMICS in Denmark between 2010 and 2017.

Methods and results: Medical records of patients suspected of having AMICS during 2010-2017 were reviewed to identify consecutive patients with AMICS in a cohort corresponding to two-thirds of the Danish population. Due to changes in recruitment area over the study period, population-based incidence could only be calculated from 2012 to 2017. A total of 1716 patients with AMICS were identified and an increase in the annual incidence was observed, from a nadir 65.3 per million person-years in 2013 to 80.0 per million person-years in 2017 (P-value for trend < 0.001). This trend corresponded to an increase in patients with non-STEMI and a decrease in patients developing CS after STEMI (10.0-6.6%, P-value for trend < 0.001) Also, mean arterial blood pressure at the time of AMICS was lower (63 ± 11 mmHg to 61 ± 13 mmHg, P-value for trend = 0.001) and the frequency of patients with left ventricular ejection fraction ≤ 30% increased (61.8%-71.4%, P-value for trend = 0.004). The annual 30-day mortality during the study period remained unchanged at about 50%.

Conclusion: The incidence rate of AMICS increased in the Danish population between 2012 and 2017. Fewer patients with STEMI developed CS, and haemodynamic severity of CS increased during the study period; however, survival rates remained unchanged.

Keywords: Cardiogenic shock; Epidemiology; Mechanical circulatory support; Myocardial infarction; Percutaneous coronary intervention.

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References

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