Abstract:
:Emery-Dreifuss muscular dystrophy (EDMD) is a heterogeneous genetic disorder characterized by peripheral muscular weakness often associated with dilated cardiomyopathy. We characterize clinically a large family with a mutation in FHL1 gene (p.Cys255Ser). Penetrance was 44%, 100% for males and 18% for females. The heart was the main organ involved. Affected adult males had mild hypertrophy, systolic dysfunction and restriction with non-dilated ventricles. Carriers had significant QTc prolongation. The proband presented with resuscitated cardiac arrest. There were two transplants. Pathological study of explanted heart showed fibrofatty replacement and scarring consistent with arrhythmogenic cardiomyopathy and prominent left ventricular trabeculations. Myopathic involvement was evident in all males. Females had no significant neuromuscular disease. Mutations in FHL1 cause unclassifiable cardiomyopathy with coexisting EDMD. Prognosis is poor and systolic impairment and arrhythmias are frequent. Thrombopenia and raised creatine phosphokinase should raise suspicion of an FHL-1 disorder in X-linked cardiomyopathy.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
San Román I,Navarro M,Martínez F,Albert L,Polo L,Guardiola J,García-Molina E,Muñoz-Esparza C,López-Ayala JM,Sabater-Molina M,Gimeno JRdoi
10.1111/cge.12760subject
Has Abstractpub_date
2016-08-01 00:00:00pages
171-6issue
2eissn
0009-9163issn
1399-0004journal_volume
90pub_type
杂志文章abstract::In a study of xanthomatosis in the county of Ostfold, Norway (approximately 220,000 inhabitants), it was found that 20% (37 out of 185) of the probands belonges to seven large kindreds where xanthomatosis and hyper-beta-lipoproteinaemia segregated. Almost complete ascertainment (99%) of living subjects in the sibships...
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