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Perioperative anesthetic management of transposition of great arteries: a review

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Last updated: 29 Dec 2024

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Abstract

Transposition of great arteries (TGA) comprises 5–7% of all CHDs. It is characterized by atrioventricular concordance and ventriculoarterial discordance, resulting in the systemic and pulmonary circulations as parallel instead of the normal in-series circulation. Survival of the baby depends on mixing of blood between these two circulations either with an atrial septal defect, ventricular septal defect, or at the great arterial level via patent ductus arteriosus. Therefore, the clinical manifestation is highly variable and influenced by the presence or absence of these associated anomalies. Patients with TGA without mixing of blood present with cyanosis and acidosis and are hemodynamically compromised soon after birth and require resuscitation to re-establish connection between parallel circuits by reopening the ductus with intravenous prostaglandin (0.05–0.1 μg/kg/min) or establishing interatrial flow with balloon atrial septostomy. In addition, patients may require inotropic support, ventilator support, or extracorporeal membrane oxygenation in extreme cases with refractory cardiorespiratory decompensation for survival or as a bridge to definitive therapy. TGA is uniformly fatal in the infant period, with 30% mortality in the first week of life, and 50% within the first month, and 90% in the first year of life if untreated. Fortunately, modern medical and surgical management techniques have resulted in 90% of patients living into adulthood, typically with a vigorous quality of life. Currently, the definitive corrective surgery is the arterial switch operation (ASO), as a single-stage procedure with excellent short-term and long-term outcomes. The overall perioperative survival following ASO is more than 90%. Long-term and arrhythmia-free survival is ∼97% at 25 years. All standard general anesthetics can be used safely for perioperative management, and mortality owing to anesthetic management has not been witnessed. This systematic review describes the definition and etiology of TGA, clinical presentation, pathophysiology, brief current surgical approaches, anesthetic and cardiopulmonary bypass management, and postoperative course of a patient with TGA undergoing ASO.

DOI

10.4103/ejca.ejca_17_21

Keywords

TGA, arterial switch operation, atrial switch operation, ECMO, CPB, rastelli procedure, Nikaidoh procedure, Prenatal Diagnosis

Authors

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Vishnu

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Datt

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dattvishnu@yahoo.com

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0000-0002-7238-2533

First Name

Suman

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Kashav

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First Name

Rachna

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Wadhwa

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Shardha

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Malik

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First Name

Saket

Last Name

Agarwal

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saket9@hotmail.com

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First Name

Harpreet Singh

Last Name

Minhas

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First Name

Prashant

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Rai

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Volume

16

Article Issue

2

Related Issue

48392

Issue Date

2022-09-01

Receive Date

2021-11-24

Publish Date

2022-09-02

Print ISSN

1687-9090

Online ISSN

2090-326X

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https://ejca.journals.ekb.eg/article_359712.html

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https://ejca.journals.ekb.eg/service?article_code=359712

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359,712

Publication Type

Journal

Publication Title

The Egyptian Journal of Cardiothoracic Anesthesia

Publication Link

https://ejca.journals.ekb.eg/

MainTitle

Perioperative anesthetic management of transposition of great arteries: a review

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Article

Created At

20 Dec 2024