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September 23, 2025ASAIO Journal

Effects of Inadvertent Left Atrial Return During Venovenous Extracorporeal Membrane Oxygenation: The Veno-Left Atrial Case Series

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Authors

JGJosé Cordero GuevaraPTPau TorrellaEAEduard Argudo

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Overview

Case series reveals risks of left atrial shunting in V-V ECMO, suggesting need for vigilance.

Key Points

  • Inadvertent left atrial return during V-V ECMO led to significant right-to-left shunting.
  • Five cases identified from a cohort of 320 patients exhibited high arterial oxygen levels, suggesting risks.
  • The complication was resolved by repositioning the cannula, and no interatrial defects were found in survivors.
  • Early recognition is essential to prevent misinterpretation of ECMO efficacy during weaning.

Cite This Study

Guevara et al. (2025) studied this question.

synapsesocial.com/papers/68d440a6713b0b5dfea7fd68https://doi.org/10.1097/mat.0000000000002562
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Venovenous extracorporeal membrane oxygenation catheter related superior vena cava syndrome without pre-existing stenosis in an adult patient: a case report2025
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  3. 3Right ventricular injury during VV-ECMO for severe ARDS: Does time matter?2025 · 2 citations
  4. 4Impact of Venoarterial Extracorporeal Membrane Oxygenation on Hemodynamics and Cardiac Mechanics: Insights From Pressure-Volume Loop Analysis2025 · 6 citations
  5. 5Distal perfusion cannula on VA-ECMO: do not blindly trust! A case report2025