Long-term Follow-up of Tetralogy of Fallot Repair Using a Monocusp Valve

Document Type : Original Article

Authors

1 Departments of Cardiothoracic Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt

2 Departments of Cardiothoracic Surgery, Faculty of Medicine, Misr University for Science and Technology (MUST), The Memorial Souad Kafafi University Hospital, Giza, Egypt

Abstract

Background: The most prevalent kind of cyanotic congenital cardiac abnormality is called tetralogy of Fallot (TOF). It
makes up 7–10% of all congenital cardiac anomalies and is linked to a morbidity rate of ~13500/ in neonates.
Aim and objectives: This study’s primary goal was to identify the clinical outcomes following surgery for individuals
undergoing TOF repair using a monocusp valve.
Patients and Methods: A retrospective interventional cohort study was conducted on children who had their TOF
completely repaired using a monocusp valve at Ain Shams University hospitals.
Results: There was no statistically significant difference between short-term and long-term follow-up; however, there
was a mild increase regarding LVEDD (mm), LVESD (mm), IVSD (mm), and LVPWD (mm) in the long-term follow-up
compared with the short-term follow-up. There was a decrease in right ventricular outflow tract gradient (mmHg) in longterm follow-up compared with the short-term follow-up. There was no significant relationship between right ventricular outflow tract gradient and echocardiographic measurements.
Conclusion: The present investigation demonstrated the safety and dependability of using a monocusp valve for total
repair in treating TOF. Compared with patients with a transannular patch for complete repair, people with TOF who had
a monocusp valve for complete repair had better perioperative and postoperative outcomes. In the present investigation,
there was no difference between short-term and long-term echocardiographic measures, suggesting that TOF repair using
a monocusp valve is reliable over the long term.

Keywords

The Egyptian Journal of Surgery
Volume 44, Issue 2
April 2025
Pages 778-786

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