Outcomes of Tetralogy of Fallot repair performed after three years of age

Yantie, Ni Putu Veny Kartika; Djer, Mulyadi M.; Advan, Najib; Rachmat, Jusuf

doi:10.14238/pi56.3.2016.176-83

Cited by 1 publication

(1 citation statement)

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“…A moderate to severe degree of PR is a well-known, prevalent consequence in TOF patients after surgical repair and may occur in more than half of patients (17)(18)(19). This PR results in right ventricle continuous dilation and stretching, which lead to several adverse effects later in life, including decreased exercise capacity, right and left ventricular malfunction, electrocardiographic anomalies, and perhaps most significantly, the development of ventricular arrhythmias and sudden cardiac arrest (17).…”

Section: Discussionmentioning

confidence: 99%

Exercise Limitation in Children after Tetralogy of Fallot Repair Is Not related to Right Ventricular Dysfunction: Single Egyptian Center Experience

Ibrahim

Mostafa

Ahmed

et al. 2022

Pediatric Sciences Journal

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Background: Tetralogy of Fallot (TOF) is one of the most prevalent cyanotic congenital heart diseases requiring surgery early in life. Aim of work: Exercise capacity and right ventricular diastolic dysfunction in children after TOF repair. Methods: Cross sectional descriptive study was conducted on 27 cases with TOF after total surgical repair. Cases were subjected to 12 leads ECG, chest X-ray, 6-minute walking test (6MWT) to assess the exercise capacity and transthoracic color Doppler echocardiography with assessment of right ventricle myocardial performance index (RVMPI) and pulmonary regurgitation index (PRi). Results: The mean ± SD age of the our studied was TOF patients 6.59 ± 1.80 years. The mean ± SD age at operation was 2.46 ± 0.95 years. All had dilated right ventricle (right ventricle dilatation index RVDi > 0.5), and moderate to severe pulmonary regurge (PR) estimated by PRi (PRi <0.77). Impaired RVMPI (>0.32) was found in 6 (22%) patients. Exercise capacity measured by 6-MWT was significantly reduced compared to the normal population of the same age group (p= 0.001). Results of 6-MWT did not correlate with the RVMPI (p= 0.44, r= -0.077), the PRi (p= 0.83, r=0.006), QRS (p=0.31, r=0.066), or corrected QT interval (p=0.89, r= 0.169). Conclusion: Exercise capacity was limited in our TOF patients after surgical repair, that was not related to right ventricular diastolic dysfunction as it did not correlate with RVMPI, degree of PR, QRS duration, nor corrected QT interval.

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