الفهرس 
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Abstract
Introduction: Severe right heart failure with serious consequences, may develop after pulmonary regurgitation (PR) caused by total correction of tetralogy of Fallot (TOF). This thesis is made to present early outcomes of surgical Pulmonary valve replacement (SPVR) in these patients.
Methods: from 2019-2021, 38 patients 25 male 13 female mean age was 15.76 ± 6.24 years underwent SPVR after 12.63 ± 4.76 years from first operation. Patients underwent for SPVR with either tissue or mechanical valves using cross clamp and giving cardioplegia. Repair of tricuspid, closure of residual ventricular defect (VSD), resection of residual pulmonary stenosis (PS) or right ventricle (RV) aneurysms resection may be indicated during procedure. Follow up X-ray and transthoracic echocardiography (TTE) made after 6 months and one year after procedure. Follow up cardiac magnetic resonance imaging (CMRI) made on average from one to three years after procedure.
Results: there was no perioperative mortality. Mean of hospital stay was 6.74 ± 1.08 days. the results of follow up x-ray, TTE and CMRI demonstrate that after SPVR the RV experiences improvement on its volumes and systolic function.
Conclusion: SPVR seems to be a positive approach and recommended to be done in correct timing.