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Thyroid function and morphology after a successful kidney transplantation
L Tauchmanovà1, R Carrano, T Musella
1Department of Molecular and Clinical Endocrinology and Oncology, University Federico II of Naples, 80131 Naples, Italy. tauchman@unina.it
Journal of Endocrinological Investigation
|September 8, 2006
Summary
Thyroid abnormalities are common after kidney transplants, with many patients showing altered thyroid function and morphology. Long-term dialysis may contribute to thyroid nodules, necessitating endocrinological follow-up.
Area of Science:
- Nephrology
- Endocrinology
- Transplantation Medicine
Background:
- Thyroid dysfunction is known in end-stage renal disease (ESRD).
- Data on thyroid function and morphology post-renal transplantation (RT) are inconsistent.
- Successful RT may impact the hypothalamic-pituitary-thyroid (HPT) axis.
Purpose of the Study:
- To determine the prevalence of thyroid function and morphology disorders after successful RT.
- To identify risk factors associated with these post-transplant thyroid abnormalities.
- To guide appropriate endocrinological follow-up strategies.
Main Methods:
- Cross-sectional, case-control study design.
- Fifty RT patients and 100 healthy controls were enrolled.
- Assessed serum thyroid hormones, TSH, thyroglobulin, TBG, urinary iodine, and thyroid ultrasound.
Main Results:
- 52% of RT patients had "low T3 syndrome"; 26% showed suppressed HPT axis function.
- 24% of patients had thyroid nodules, linked to longer dialysis duration.
- Chronic thyroiditis patterns were more common than biochemical evidence.
Conclusions:
- High prevalence of abnormal thyroid morphology post-RT, partly due to prior uremia.
- Thyroid function abnormalities reflect post-transplant conditions.
- Endocrinological monitoring is crucial to differentiate treatable from manageable thyroid issues.
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