Dose-dependent appearance and disappearance of amiodarone-induced skin pigmentation (Journal article)

Kounis, N. G./ Frangides, C./ Papadaki, P. J./ Zavras, G. M./ Goudevenos, J.

A 66-year-old man suffering from atrial flutter developed cutaneous blue-gray pigmentation while receiving 600 mg of amiodarone daily for 15 months. With reduction of the dose to 100 mg, skin discoloration disappeared within 16 months, to reappear within 7 months after increasing the dose to 400 mg. Finally, the discoloration disappeared within 13 months with a dose reduction to 200 mg daily. It seems that a tissue threshold level for amiodarone exists in this patient, above which skin discoloration appears and below which it fades. Dose, duration, metabolism, macrophage transfer, and spillover saturation-excretion may be relevant in amiodarone-induced skin pigmentation.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής
Keywords: Aged,Amiodarone/*adverse effects/therapeutic use,Anti-Arrhythmia Agents/*adverse effects/therapeutic use,Atrial Flutter/drug therapy,Dose-Response Relationship, Drug,Humans,Male,Skin Diseases/*chemically induced,Skin Pigmentation/*drug effects
ISSN: 0160-9289
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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