Spinal Anesthesia for Noncardiac Surgery in High-Risk Infants With Corrected Tetralogy of Fallot and Cardiomyopathy

TL;DRAbstract

Dear Editor, We present a case of successful spinal anesthesia for a noncardiac surgery (NCS) featuring cardiomyopathy with corrected tetralogy of Fallot (TOF). A 29-month-old boy weighing 12.500 g, american society of anesthesiologists (ASA) physical status ІІІ required the following: bilateral orchiopexy, inguinal hernia repair, and umbilical hernia repair. He was operated on for TOF a few months ago and before the surgery we describe here, suffered from residual pulmonic stenosis and right ventricle (RV) dysfunction. The RV end-diastolic and RV end-systolic areas were high, the residual pulmonic stenosis gradient was 45 mmHg, the E/A ratio of the tricuspid valve was reversed, and regurgitation of the pulmonary valve was visible. The Doppler echocardiogram revealed that the myocardial performance index from the lateral tricuspid annulus of the right ventricle was 0.54. The patient had no other known diseases and no established condition to contraindicate for spinal anesthesia (

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