Successful Extracorporeal Membrane Oxygenation After Incidental Azygos Vein Cannulation in a Neonate With Right-Sided Congenital Diaphragmatic Hernia Interruption of the Inferior Vena Cava and Azygos Continuation

Alessandra Mayer, Genny Raffaeli, Federico Schena, Valeria Parente, Gabriele Sorrentino, Francesco Macchini, Anna Maria Colli, Lucia Mauri, Simona Neri, Irene Borzani, Ernesto Leva, Fabio Mosca, Giacomo Cavallaro

Research output: Contribution to journalArticle

Abstract

Incidental azygos vein cannulation has been reported in a few cases of neonatal extracorporeal membrane oxygenation (ECMO). This complication is described in the literature mainly in pathological conditions wherein increased central venous pressure dilates the superior vena cava (SVC), i.e., right congenital diaphragmatic hernia (CDH) or pulmonary hypertension. Azygos vein cannulation should always be suspected in cases of impaired venous return and circuit failure. Although rare, it hinders proper venous aspiration of the ECMO circuit and generally requires repositioning or replacement of the venous cannula or conversion to central cannulation. In this report, we describe a newborn with severe right CDH who required ECMO assistance, wherein incidental cannulation of the azygos vein resulted in successful functioning of the circuit because of the concomitant presence of isolated interruption of the inferior vena cava and azygos continuation. To the best of our knowledge, this is the first report of successful neonatal ECMO despite azygos vein cannulation in a patient with such rare physiology.

Original languageEnglish
Article number444
JournalFrontiers in Pediatrics
Volume7
DOIs
Publication statusPublished - Oct 25 2019

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Azygos Vein
Extracorporeal Membrane Oxygenation
Inferior Vena Cava
Catheterization
Newborn Infant
Central Venous Pressure
Superior Vena Cava
Pulmonary Hypertension
Congenital Diaphragmatic Hernias

Keywords

  • azygos
  • CDH
  • ECMO
  • free hemoglobin
  • inferior vena cava

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

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title = "Successful Extracorporeal Membrane Oxygenation After Incidental Azygos Vein Cannulation in a Neonate With Right-Sided Congenital Diaphragmatic Hernia Interruption of the Inferior Vena Cava and Azygos Continuation",
abstract = "Incidental azygos vein cannulation has been reported in a few cases of neonatal extracorporeal membrane oxygenation (ECMO). This complication is described in the literature mainly in pathological conditions wherein increased central venous pressure dilates the superior vena cava (SVC), i.e., right congenital diaphragmatic hernia (CDH) or pulmonary hypertension. Azygos vein cannulation should always be suspected in cases of impaired venous return and circuit failure. Although rare, it hinders proper venous aspiration of the ECMO circuit and generally requires repositioning or replacement of the venous cannula or conversion to central cannulation. In this report, we describe a newborn with severe right CDH who required ECMO assistance, wherein incidental cannulation of the azygos vein resulted in successful functioning of the circuit because of the concomitant presence of isolated interruption of the inferior vena cava and azygos continuation. To the best of our knowledge, this is the first report of successful neonatal ECMO despite azygos vein cannulation in a patient with such rare physiology.",
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T1 - Successful Extracorporeal Membrane Oxygenation After Incidental Azygos Vein Cannulation in a Neonate With Right-Sided Congenital Diaphragmatic Hernia Interruption of the Inferior Vena Cava and Azygos Continuation

AU - Mayer, Alessandra

AU - Raffaeli, Genny

AU - Schena, Federico

AU - Parente, Valeria

AU - Sorrentino, Gabriele

AU - Macchini, Francesco

AU - Colli, Anna Maria

AU - Mauri, Lucia

AU - Neri, Simona

AU - Borzani, Irene

AU - Leva, Ernesto

AU - Mosca, Fabio

AU - Cavallaro, Giacomo

PY - 2019/10/25

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N2 - Incidental azygos vein cannulation has been reported in a few cases of neonatal extracorporeal membrane oxygenation (ECMO). This complication is described in the literature mainly in pathological conditions wherein increased central venous pressure dilates the superior vena cava (SVC), i.e., right congenital diaphragmatic hernia (CDH) or pulmonary hypertension. Azygos vein cannulation should always be suspected in cases of impaired venous return and circuit failure. Although rare, it hinders proper venous aspiration of the ECMO circuit and generally requires repositioning or replacement of the venous cannula or conversion to central cannulation. In this report, we describe a newborn with severe right CDH who required ECMO assistance, wherein incidental cannulation of the azygos vein resulted in successful functioning of the circuit because of the concomitant presence of isolated interruption of the inferior vena cava and azygos continuation. To the best of our knowledge, this is the first report of successful neonatal ECMO despite azygos vein cannulation in a patient with such rare physiology.

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