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Thyroid function and abdominal surgery. A longitudinal study.

J Halabe Cherem1, H Nellen Hummel, F Gordon Barabejski

  • 1Departamento de Medicina Interna, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, México, D.F.

Archives of Medical Research
|January 1, 1992
PubMed
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Surgical trauma significantly impacts thyroid hormone levels, particularly triiodothyronine (T3). Urgent surgery patients show more frequent and persistent thyroid function abnormalities, suggesting these changes can serve as prognostic markers.

Area of Science:

  • Endocrinology
  • Surgical Metabolism
  • Thyroid Function

Background:

  • Surgical trauma induces complex metabolic alterations.
  • Thyroid function abnormalities are observed in nonthyroidal illness, including low T3 syndrome.
  • Thyroid hormone levels may reflect the severity of acute illness.

Purpose of the Study:

  • To investigate the longitudinal changes in thyroid hormone concentrations following abdominal surgery.
  • To compare thyroid function test results between elective and urgent surgery patients.
  • To evaluate the potential of thyroid function abnormalities as prognostic markers.

Main Methods:

  • Longitudinal evaluation of 30 patients undergoing elective or urgent abdominal surgery.
  • Preoperative and postoperative thyroid function tests were performed.

Related Experiment Videos

  • Statistical analysis compared thyroid hormone levels across different surgical periods.

    • Main Results:

    • A significant reduction in total T3 serum values was observed in the immediate postoperative period (p < 0.005).
    • Urgent surgery patients exhibited a higher incidence of low T3 syndrome compared to elective surgery patients.
    • Alterations in thyroid function tests persisted longer in urgent surgery patients.

    Conclusions:

    • Surgical trauma, especially urgent surgery, leads to significant changes in thyroid hormone metabolism.
    • The prevalence and persistence of thyroid dysfunction are more pronounced in patients undergoing urgent surgery.
    • Thyroid function test abnormalities may serve as valuable prognostic indicators in surgical patients.