{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T07:12:16Z","timestamp":1777878736503,"version":"3.51.4"},"reference-count":41,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2024,11,6]],"date-time":"2024-11-06T00:00:00Z","timestamp":1730851200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["World J Pediatr Congenit Heart Surg"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>The transannular patch remains the most common procedure performed for patients with Tetralogy of Fallot (TOF) with pulmonary stenosis. Pulmonary regurgitation has a negative impact on early and late outcomes. To address this issue pulmonary valve-sparing repair (PVSR) has been developed. Our study goal is to evaluate the mid-term outcomes (five years) of PVSR at our institution.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>The data were collected retrospectively from June 2014 to June 2022. A total of 390 patients had total repair of TOF. Among these, PVSR was performed in 154 (39.4%) patients. The mid-term outcomes on the status of the pulmonary valve gradient, degree of pulmonary regurgitation, reintervention rate, and mid-term survival after PVSR were investigated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The median age at time of TOF repair was 12 (interquartile range [IQR]: 8-48) months and the median weight was 7.9 (IQR: 3.1-49.5) kg. The mean preoperative right ventricular outflow tract (RVOT) gradient was 77\u2009\u00b1\u200919.6 mm Hg. All patients had a pulmonary valve Z score of more than \u22122.5. The post-repair mean RV\/LV pressure ratio was 0.49\u2009\u00b1\u20090.12. There was no surgical mortality. The median follow-up was 3 years (6 months to 8 years). The reintervention rate on the pulmonary valve was 4\/154 (2.6%) at five years. The freedom from reintervention and from developing moderate pulmonary valve regurgitation at 5 years was 95% (151\/154) and 77% (119\/154), respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Pulmonary valve-sparing repair gives good mid-term outcomes in a specific group of patients with TOF. Reintervention rates are very low and the peak gradient across the pulmonary valve came down in the majority of patients during mid-term follow up. An RVOT gradient more than 40mm Hg at discharge predicts a high risk of need for reintervention. We continue to monitor our patients for the long term outcome.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21501351241279519","type":"journal-article","created":{"date-parts":[[2024,11,7]],"date-time":"2024-11-07T01:21:24Z","timestamp":1730942484000},"page":"237-245","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Mid-Term Results of Pulmonary Valve-Sparing Repair for Tetralogy of Fallot With Pulmonary Stenosis"],"prefix":"10.1177","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9706-2077","authenticated-orcid":false,"given":"Vijayakumar","family":"Raju","sequence":"first","affiliation":[{"name":"Department of Cardiac Surgery, Cardiac Anesthesia and Pediatric Cardiology, G Kuppuswamy Naidu Memorial Hospital, Coimbatore, Tamil Nadu, 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