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Early Left Atrial Septostomy Versus Conventional Approach After Venoarterial Extracorporeal Membrane Oxygenation — EARLY-UNLOAD  

Cardiogenic Shock Clinical Trial

Official title:
Early Left Atrial Septostomy Versus Conventional Approach After Venoarterial Extracorporeal Membrane Oxygenation: A Randomized Controlled Study

Clinical Trial Summary

The use of venoarterial-extracorporeal membrane oxygenation(VA-ECMO) was associated with lower in-hospital mortality in patients with cardiogenic shock. However, VA-ECMO has a deleterious effect for hemodynamics. It can increase left ventricular end-diastolic pressure(LVEDP), followed by left ventricular dilatation, abnormal opening of aortic valve and jeopardizes of myocardial recovery. Therefore, several methods have been used to reduce LVEDP. Among these, left atrial septostomy is effective, but less invasive than surgical left ventricular unloading. However, there is few data regarding this issue. Therefore, the investigators will evaluate the effect of routine, early left atrial septostomy in patients with VA-ECMO for the treatment of cardiogenic shock.

Clinical Trial Description

Study Objectives: To determine the effect of early left atrial septostomy versus conventional approach(left atrial septostomy only in cases of significant changes due to left ventricular end-diastolic pressure increase) in patients who received venoarterial-extracorporeal membrane oxygenation(VA-ECMO) for the treatment of cardiogenic shock. Study Background: Cardiogenic shock is due to myocardial dysfunction from multifactorial causes, which has high mortality. The treatment for cardiogenic shock includes early coronary revascularization, inotropes, vasopressors, or mechanical circulatory support, such as intraaortic balloon pump(IABP), VA-ECMO. However, the routine use of IABP is not recommended for the treatment of cardiogenic shock in recent guidelines. VA-ECMO can be easily implanted, and can maintain high cardiac output. In several studies, The use of VA-ECMO was associated with lower in-hospital mortality in patients with cardiogenic shock. However, VA-ECMO has a deleterious effect for hemodynamics. It can increase left ventricular end-diastolic pressure(LVEDP), followed by left ventricular dilatation, abnormal opening of aortic valve and jeopardizes of myocardial recovery. Therefore, several methods have been used to reduce LVEDP. Among these, left atrial septostomy is effective, but less invasive than surgical left ventricular unloading. However, there is few data regarding this issue. Therefore, the investigators will evaluate the effect of routine, early left atrial septostomy in patients with VA-ECMO for the treatment of cardiogenic shock. Study Hypothesis: Early, routine left atrial septostomy for left heart unloading is superior compared to conventional approach to reduce in-hospital mortality and the duration of VA-ECMO. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04775472
Study type Interventional
Source Chonnam National University Hospital
Contact
Status Completed
Phase N/A
Start date March 4, 2021
Completion date October 31, 2023
View Details
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