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Copyright of Firat Tip Dergisi is the property of Firat University, Faculty of Medicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of the Society of Thoracic Carido-Vascular Anaesthesia & Intensive Care is the property of Gogus Kalp Damar Anestezi ve Yogun Bakim Dernegi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Academic Research in Medicine is the property of Galenos Yayinevi Tic. LTD. STI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: This study aimed to review our institutional experience with the Fontan operation, the adverse severe events we encountered during mid-term follow-up, and the associated risk factors., Methods: In the study, the medical records of 40 patients (22 males, 18 females) who underwent Fontan operation between August 1993 and August 2020 were retrospectively reviewed. The patients were followed up for at least six months., Results: The Fontan operation was performed at a median age of 6.5 years (range, 3 to 22 years), and the mean follow-up time was 4.1±3.8 years (range, 0.5 to 17 years). The most frequently occurring defect was tricuspid atresia (45.0%). Fifteen (37.5%) patients experienced 24 late adverse events. Late complications and severe side effects, in order of frequency, were arrhythmia in eight (53.3%) patients, hypoxia in five (33.3%) patients, and ventricular dysfunction in three (20%) patients. While protein-losing enteropathy and mortality were each observed in two (13.3%) patients, Fontan failure, thromboembolic event, pulmonary arteriovenous fistulae, and ascites were each observed in one (6.6%) patient. When possible risk factors for late complications were examined, a statistical significance was not found., Conclusion: Life expectancy and quality of life of patients with Fontan circulation have increased with advances in surgical technique and increased management success. However, complications are not uncommon after the Fontan operation, and late events remain a significant problem. The results of our study indicate that in mid-term follow-up of patients who underwent Fontan surgery at our institution, although not statistically significant, those who underwent fenestration and those operated at a later age tended to experience more severe events and late complications., Competing Interests: Conflict of Interest: The authors declared no conflicts of interest with respect to the authorship and/or publication of this article., (Copyright © 2024, Turkish Society of Cardiovascular Surgery.)