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Related Experiment Videos

[Reflexometry: an early prognostic test for assessing postoperative hypothyroidism].

M D Ibragim, S P Lazareva, V I Kandror

    Problemy Endokrinologii
    |July 1, 1986
    PubMed
    Summary
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    Achilles reflex testing can predict post-thyroid surgery hypothyroidism. This method helps identify transient hypothyroidism, aiding early prognosis after subtotal thyroidectomy.

    Area of Science:

    • Endocrinology
    • Neurosurgery
    • Medical Diagnostics

    Background:

    • Subtotal thyroidectomy for toxic goiter can lead to post-operative hypothyroidism.
    • Assessing thyroid hormone levels and reflex times is crucial for patient management.
    • Early identification of hypothyroidism is essential for timely intervention.

    Purpose of the Study:

    • To evaluate the utility of Achilles reflex duration in assessing post-operative hypothyroidism after subtotal thyroidectomy.
    • To determine if reflexometry can differentiate between euthyroid and hypothyroid states.
    • To assess the prognostic value of Achilles reflex in predicting transient or long-standing hypothyroidism.

    Main Methods:

    • Serum thyroxine (T4) levels were measured.
    • Achilles tendon reflex duration was assessed using reflexometry.

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  • Patients were evaluated 1-3 months and 6 months post-surgery.

    • Main Results:

    • Serum T4 levels indicated 9 euthyroid subjects and 14 hypothyroid patients.
    • Achilles reflex duration was normal in all hypothyroid patients initially, limiting its diagnostic accuracy.
    • However, reflexometry showed prognostic value: transient hypothyroidism resolved in patients with normal reflexes, while persistent hypothyroidism was linked to prolonged reflex times (>350 m/s).

    Conclusions:

    • Reflexometry is a valuable tool for the early prognostic assessment of post-operative hypothyroidism.
    • Achilles reflex duration can help differentiate transient from long-standing hypothyroidism post-thyroidectomy.
    • This method aids in predicting the course of thyroid under-activity after surgery.