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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Updated: May 26, 2025

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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ECLS-SHOCK Trial.

Guillaume Thery1, Pierre-Emmanuel Noly1, Yiorgos Alexandros Cavayas1

  • 1Department of Cardiac Surgery, Montreal Heart Institute, Université de Montréal, Montréal, Québec, Canada.

Seminars in Thoracic and Cardiovascular Surgery
|February 22, 2025
PubMed
Summary
This summary is machine-generated.

The ECLS-SHOCK trial found Veno-Arterial Extracorporeal Membrane Oxygenation (VA-ECMO) did not reduce mortality in Acute Myocardial Infarction-related Cardiogenic Shock (AMI-CS). High patient illness severity and control group crossovers complicate interpretation.

Keywords:
cardiogenic shockextracorporeal life support (ECLS)mechanical circulatory supportmyocardial infarctionveno-arterial extracorporeal membrane oxygenation (VA-ECMO)

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Medical Technology

Background:

  • Acute Myocardial Infarction-related Cardiogenic Shock (AMI-CS) has high mortality.
  • Veno-Arterial Extracorporeal Membrane Oxygenation (VA-ECMO) is a potential treatment for AMI-CS.
  • The ECLS-SHOCK trial is the largest randomized controlled trial investigating VA-ECMO in AMI-CS.

Purpose of the Study:

  • To evaluate the efficacy of VA-ECMO in reducing mortality in patients with AMI-CS.
  • To analyze factors influencing the outcomes of VA-ECMO in this patient population.

Main Methods:

  • Randomized controlled trial design.
  • Inclusion of patients with AMI-CS.
  • Comparison between VA-ECMO and standard care, with consideration for crossovers.

Main Results:

  • The ECLS-SHOCK trial did not demonstrate a significant reduction in mortality for AMI-CS patients treated with VA-ECMO.
  • High severity of illness in participants and frequent crossover from the control group to VA-ECMO or other temporary mechanical circulatory support (tMCS) devices were noted.
  • These factors necessitate careful interpretation of the trial's outcomes.

Conclusions:

  • The study suggests that a liberal approach to VA-ECMO in AMI-CS may not be beneficial.
  • Further research is required to identify optimal patient selection criteria and the ideal timing for VA-ECMO initiation.
  • Findings from ECLS-SHOCK should inform current practices and future clinical guidelines for managing AMI-CS.