What question did this study set out to answer?

The study aims to identify risk factors associated with amiodarone-induced hypothyroidism and the follow-up outcomes in affected patients.

February 1, 1987Clinical Endocrinology

Amiodarone Iodine‐induced Hypothyroidism: Risk Factors and Follow‐up in 28 Cases

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Why the study?

What are the risk factors and clinical course of amiodarone iodine-induced hypothyroidism?

Population

467 patients chronically treated with amiodarone for cardiac tachyarrhythmias, of which 28 developed…

Design

Cohort

Follow-up

several months after amiodarone withdrawal

Authors

EME. MartinoUniversity of Campania "Luigi Vanvitelli"FAF. Aghini-LombardiUniversity of Pisa SMStefano MariottiUniversity of Cagliari

Discussion

Member takes

Implication

May support risk-stratified monitoring after amiodarone withdrawal; hypothesis-generating in Level 3 cohort data.

Key Points

The study aims to identify risk factors associated with amiodarone-induced hypothyroidism and the follow-up outcomes in affected patients.
Analyzed 28 patients with amiodarone-induced hypothyroidism from a larger cohort of 467 patients.
Evaluated thyroid autoantibodies and radioiodine uptake in a subset of patients.
Categorized patients based on the presence or absence of underlying thyroid abnormalities.
Hypothyroidism was transient in 12 (60%) and persistent in 8 (40%) patients post-amiodarone withdrawal.
All patients in group B experienced transient hypothyroidism, while 50% of patients in group A had persistent hypothyroidism.
Thyroid autoantibodies were found in 7 of 8 patients with persistent hypothyroidism, indicating a significant correlation.

Structured PICO

What are the risk factors and clinical course of amiodarone iodine-induced hypothyroidism?

Population

467 patients chronically treated with amiodarone for cardiac tachyarrhythmias, of which 28 developed amiodarone iodine-induced hypothyroidism (AIIH)

Intervention

Chronic amiodarone therapy and subsequent withdrawal

Outcome

Development and persistence of amiodarone iodine-induced hypothyroidism (AIIH)safety

Amiodarone-induced hypothyroidism is often transient and resolves upon drug withdrawal in patients with normal thyroids, but frequently persists in those with underlying thyroid abnormalities or autoantibodies.

Cite This Study

Martino et al. (1987) studied this question.

synapsesocial.com/papers/6a71b6d35d37378ac1dec995 https://doi.org/10.1111/j.1365-2265.1987.tb00781.x

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Amiodarone Iodine‐induced Hypothyroidism: Risk Factors and Follow‐up in 28 Cases

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Amiodarone Iodine‐induced Hypothyroidism: Risk Factors and Follow‐up in 28 Cases

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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