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KMID : 0368120090390080335
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Korean Circulation Journal
2009 Volume.39 No. 8 p.335 ~ p.339
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A Case of Fabry Cardiomyopathy
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Nah Jong-Chun
Kim Woo-Shik
Cho Wook-Hyun
Choi Suk-Koo
Yoo Han-Wook
Takenaka Toshihiro
Tei Chuwa
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Abstract
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In the absence of hypertension, hypertrophic cardiomyopathy is the most common cause of left ventricular hypertrophy (LVH). However, it has been reported that up to 3% of males with unexplained LVH have Fabry disease, an X-linked disorder of glycophospholipid metabolism that is due to a deficiency in the lysosomal enzyme α-galactosidase A (α-Gal A). A 44-year-old man was admitted to our hospital with palpitations. He had a history of chronic renal failure diagnosed at age 33 followed by kidney transplantation performed at our institution 2 years later, as well as long-standing hypohidrosis. His medications included prednisolone (5 mg daily), mycophenolate mofetil (1,000 mg, bid), and cyclosporine (150 mg, bid). On hospital day two, an echocardiogram demonstrated increased left ventricular wall thickness (septal wall thickness of 28 mm, posterior wall thickness of 20 mm). Diastolic dysfunction was noted on transmitral flow patterns and tissue Doppler imaging. The patient was found to have low plasma α-Gal A activity. A previously reported H46R missense mutation was detected in his α-Gal A gene and the patient was subsequently diagnosed with Fabry disease.
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KEYWORD
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Fabry disease, Alpha-Galactosidase A, Cardiomyopathies
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