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- Hanna Louise Ratcovich, Jakob Josiassen, Ole Kristian Lerche Helgestad, Louise Linde, Lisette Okkels Jensen, Hanne Berg Ravn, Francis R Joshi, Thomas Engstrøm, Henrik Schmidt, Christian Hassager, Jacob E Møller, and Lene Holmvang.
- Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
- Shock. 2022 Mar 1; 57 (3): 327335327-335.
IntroductionDespite advances in treatment of patients with cardiogenic shock following acute myocardial infarction (AMICS) in-hospital mortality remains around 50%. Outcome varies among patient subsets and the elderly often have a poor a priori prognosis. We sought to investigate outcome among elderly AMICS patients referred to evaluation and treatment at a tertiary university hospital.MethodsCurrent analysis was based on the RETROSHOCK registry comprising consecutive AMICS patients admitted to tertiary care. Patients in the registry were individually identified and validated.ResultsOf 1,716 admitted patients, 496 (28.9%) patients were ≥75 years old. Older patients were less likely to be admitted directly to a tertiary centre (59.4% vs. 69.9%, P = 0.003), receive mechanical support devices (i.e., Impella® (8.9% vs. 15.0%, P = 0.003), and undergo revascularization attempt (76.8% vs. 90.2%, P < 0.001). Thirty-day survivors ≥75 years were characterized by having higher left ventricular ejection fraction (30.2% ± 12.5% vs. 26.5% ± 11.8%, P = 0.004) and lower arterial lactate (3.2[2.2-5.2] mmol/L vs. 5.5[3.3-8.2] mmol/L, P < 0.001) at admission. In a multivariable analysis of patients ≥75 years, higher age (HR 1.09, 95% CI 1.05-1.14, P < 0.001), higher heart rate (HR 1.01, 95% CI 1.001-1.014, P = 0.03), and higher lactate (HR 1.11, 95% CI 1.07-1.16, P < 0.001) at admission were associated with an increased risk of 30-day mortality.ConclusionAmong patients ≥75 years with AMICS referred for tertiary specialized treatment, 30-day mortality was 73.4%. Survivors were characterized by lower arterial lactate and heart rate at admission.Copyright © 2021 by the Shock Society.
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