Cornea · 2012
A significant drug-drug interaction detected through corneal examination: resolution of cornea verticillata while using amiodarone.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Mehta Sonia, Bunya Vatinee Y, Orlin Stephen E, Sulewski Michael E, Dunaief Joshua L
Аннотация
PURPOSE: To describe a patient with resolution of cornea verticillata while still using amiodarone as a result of a drug interaction lowering serum levels of amiodarone.
METHODS: An 83-year-old retired physician with long-standing cornea verticillata was noted to have complete resolution of cornea verticillata on a routine follow-up eye examination. The patient reported complete compliance with using amiodarone daily, with no recent changes in dosage or formulation. Despite this, he reported a recent increase in the frequency of palpitations. He had recently started rifampin for treatment of tuberculosis.
RESULTS: Serum amiodarone and desethylamiodarone levels were obtained and found to be below therapeutic range. After rifampin was discontinued, serum amiodarone and desethylamiodarone levels increased to a therapeutic range and cornea verticillata returned after 4 months.
CONCLUSIONS: In patients currently using amiodarone, clearing of cornea verticillata should alert the ophthalmologists to the possibility of decreased serum amiodarone levels.
METHODS: An 83-year-old retired physician with long-standing cornea verticillata was noted to have complete resolution of cornea verticillata on a routine follow-up eye examination. The patient reported complete compliance with using amiodarone daily, with no recent changes in dosage or formulation. Despite this, he reported a recent increase in the frequency of palpitations. He had recently started rifampin for treatment of tuberculosis.
RESULTS: Serum amiodarone and desethylamiodarone levels were obtained and found to be below therapeutic range. After rifampin was discontinued, serum amiodarone and desethylamiodarone levels increased to a therapeutic range and cornea verticillata returned after 4 months.
CONCLUSIONS: In patients currently using amiodarone, clearing of cornea verticillata should alert the ophthalmologists to the possibility of decreased serum amiodarone levels.