The importance and prognostic effect of thyroid hormones in patients with transposition of the great arteries

Authors

Ergin Arslanoğlu, Kenan Abdurrahman Kara, Shiraslan Bakhshaliyev, Fatih Yiğit, Doğan Çağrı Tanrıverdi, Eylem Tunçer, Nihat Çine, Hakan Ceyran
  • Ergin Arslanoğlu (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0002-0066-7062
  • Kenan Abdurrahman Kara (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0003-1295-7689
  • Shiraslan Bakhshaliyev (Author) Department of Pediatric Cardiovascular Surgery, Liv Bona Dea Hospital, Bakü, Azerbaijan https://orcid.org/0000-0002-2022-9430
  • Fatih Yiğit (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0002-0911-5897
  • Doğan Çağrı Tanrıverdi (Author) Department of Pediatric Cardiology, University of Health Sciences, İstanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0002-9871-1155
  • Eylem Tunçer (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0001-9177-2089
  • Nihat Çine (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0003-4805-3518
  • Hakan Ceyran (Author) Department of Pediatric Cardiovascular Surgery, University of Health Sciences, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Türkiye https://orcid.org/0000-0002-2023-2701
https://doi.org/10.18621/eurj.1488539
Objectives: Transposition of the great arteries (TGA) is a rare congenital heart disease that occurs in 3 in 10,000 newborns and is rapidly fatal (90%) within one year if left untreated. The prognosis of this pathology changed after introducing an early arterial switch operation (ASO), while the left ventricle could still adapt to systemic high-pressure conditions. Appropriate regulation of thyroid hormones positively impacts metabolism, cardiac function, and postoperative recovery. Therefore, regular thyroid hormone monitoring and thyroid function monitoring of TGA patients may help to improve the health status and prognosis of this group of postoperative patients.
Methods: In our study, 127 patients who underwent ASO at our pediatric cardiac surgery clinic between 01.01.2014 and 18.09.2021 were retrospectively analyzed and included. Among the patients, 43% (n=54) were females, and 57% (n=73) were males.
Results: The coronary arteries were normal in 89.7% (n=114) and abnormal in 10.3% (n=13) of the patients. Twenty-one of the patients exited, and mortality was calculated to be 16.5%. There were no significant differences in mortality or thyroid stimulating hormone (TSH), free thyroxine (T4), or free triiodothyronine (T3) values (P=0.674, P=0.345, P=0.478). In our study, in which we investigated the effect of thyroid hormone levels on prognosis in neonatal patients with TGA with normal free T3, T4, and TSH values, we found that TSH levels were greater in the group with advanced aortic regurgitation and exitus, although the effect of thyroid hormones on postoperative results was not statistically significant.
Conclusions: Congenital hypothyroidism is a common disease with cardiac effects. During the neonatal period, this disease may conceal itself. Careful, expert clinical follow-up and clinical trials are crucial to improve outcomes in the surgical treatment of transposition of the great arteries, a complex congenital heart disease.
Transposition of the great arteries, arterial switch operation, thyroid hormones, thyroid stimulating hormone

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Arslanoğlu E, Kara KA, Bakhshaliyev S, et al. The importance and prognostic effect of thyroid hormones in patients with transposition of the great arteries. Eur Res J. 2024;10(5):465-473. doi:10.18621/eurj.1488539

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Article Information

  • Article Type Research Article
  • Submitted February 21, 2026
  • Published September 3, 2024
  • Issue Vol. 10 No. 5 (2024)
  • Section Research Article
  • File Downloads 500
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