Heart & lung : the journal of critical care · 2017
Coronary ectasia in amyloid cardiomyopathy and neuropathy due to the transthyretin mutation c.323A>G.
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Finsterer Josef, Stöllberger Claudia, Rauschka Helmut, Gatterer Edmund
Аннотация
BACKGROUND: atrial fibrillation(AF) is a frequent manifestation of cardiac involvement in genetic and wild-type transthyretin-related familial amyloidosis(TTR-FA). However, ectasia of coronary arteries and ablation for AF have not been reported in TTR-FA.
METHODS AND RESULTS: A 65yo male developed progressive sensori-motor polyneuropathy since age 59y. At age 60y bifascicular block and myocardial thickening were recognised. At age 62y heart failure developed and work-up with cardiac MRI suggested amyloidosis but biopsy was non-informative. Coronary angiography revealed ectasias of the coronary arteries. At age 65y AF developed, neither responding to electrical cardioversion nor ablation. Work-up for polyneuropathy revealed the point mutation c.323A>G (p.His108Arg) in the TTR-gene. Tafamidis was started but did not exhibit a beneficial effect after 7 months.
CONCLUSIONS: TTR-FA may manifest in the coronary arteries with ectasia. Ablation for AF in TTR-FA may be unsuccessful. Tafamidis has been unsuccessful for cardiac or nerve involvement after the first seven months.
METHODS AND RESULTS: A 65yo male developed progressive sensori-motor polyneuropathy since age 59y. At age 60y bifascicular block and myocardial thickening were recognised. At age 62y heart failure developed and work-up with cardiac MRI suggested amyloidosis but biopsy was non-informative. Coronary angiography revealed ectasias of the coronary arteries. At age 65y AF developed, neither responding to electrical cardioversion nor ablation. Work-up for polyneuropathy revealed the point mutation c.323A>G (p.His108Arg) in the TTR-gene. Tafamidis was started but did not exhibit a beneficial effect after 7 months.
CONCLUSIONS: TTR-FA may manifest in the coronary arteries with ectasia. Ablation for AF in TTR-FA may be unsuccessful. Tafamidis has been unsuccessful for cardiac or nerve involvement after the first seven months.