Transseptal catheter decompression of the left ventricle during extracorporeal membrane oxygenation

Area of Science:

• Cardiology
• Critical Care Medicine
• Pediatric Cardiology

Background:

• Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is a life-support measure for severe cardiogenic shock.
• Left ventricular distension and pulmonary edema are known complications of VA-ECMO.
• Effective left ventricular unloading is crucial for successful VA-ECMO support.

Observation:

• A 13-year-old girl with cardiogenic shock required VA-ECMO.
• After 6 days, severe left ventricular distension impeded VA-ECMO function.
• Bedside transesophageal echocardiography guided the intervention.

Findings:

• A percutaneous atrial transseptal cannula was inserted to decompress the left ventricle.
• The transseptal cannula was connected to the venous circuit, facilitating left ventricular unloading.
• The patient demonstrated clinical improvement following the intervention.

Implications:

• Percutaneous transseptal catheterization is a viable strategy for managing VA-ECMO-induced left ventricular distension.
• This technique can improve VA-ECMO circuit flows and patient recovery.
• It offers a minimally invasive approach to address a critical complication in pediatric cardiac support.