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Research Article Open access CC BY 4.0

Effect of Mild Hypothermia on Morbidity and Mortality in Post AMI Cardiogenic Shock

Mohamed Abdelrazek Abdelaal, Amany Mohamed Allaithy, Taimor Mustafa, Medhat Mohamed Ashmawy

Cardiology and Angiology: An International Journal · pp. 143–151 · Published 28 Jun 2022

10.9734/ca/2022/v11i430217

Abstract

Background: Acute myocardial infarction (AMI) complicated with cardiogenic shock is still associated with a significant death rate. Other interventions, including intra-aortic balloon counter pulsation and medical therapy, failed to improve prognosis in large-scale randomised studies, with the exception of early revascularization.  Recently, mild therapeutic hypothermia, in which patients are lowered to 33°C over the course of 24 hours, has been proposed as a therapy option for cardiogenic shock patients. The purpose of this study is to determine the impact of mild hypothermia on morbidity and mortality associated with post-AMI cardiogenic shock. Methods: This randomized, controlled, unblinded trial was conducted on 50 patients with AMI complicated by CS. Patients were randomly allocated into two equal groups; group I received MTH to 33°C for 24-36 h and group II (control group) did not receive MTH. Patients were subjected to full history taking, general and clinical examination, laboratory examination, echo, chest ultrasound (US), coronary angiography data and mild therapeutic hypothermia protocol. Results: Stroke until day 30, duration of mechanical ventilation, length of ICU stay, duration of inotropic support, mortality and pulmonary congestion by US were insignificantly different between both groups. Arterial lactate and mean arterial blood pressure (MAP) at 4h, 6h, 8h, 10h, 12h, 14h, 16h, 18h, 20h were significantly increased in group I than Group II (P value<0.05). and were insignificantly different between both groups at 0h, 2h, 22h, 24h, 26h, 28h, 30h. Serum creatinine at 24h, 48h was significantly increased in group I than Group II (p value <0.05) and was insignificantly different between both groups at 0h. Conclusions: Therapeutic hypothermia (TH) didn’t improve short term outcomes in patients with post AMI cardiogenic shock.

Mild hypothermia morbidity mortality post AMI cardiogenic shock

References (10)

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