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  • Title: [Analysis of the mode of transmission of right ventricular dysplasia].
    Author: Nava A, Canciani B, Thiene G, Scognamiglio R, Buja G, Martini B, Daliento L, Fasoli G, Stritoni P, Dalla Volta S.
    Journal: Arch Mal Coeur Vaiss; 1990 Jun; 83(7):923-8. PubMed ID: 2142413.
    Abstract:
    A formal analysis of the mode of transmission of right ventricular cardiomyopathy was performed in seven families with this condition. Ninety-six subjects (81 family members, 15 connected) were studied. The index cases were family members who had died suddenly in their youth with autopsy evidence of massive fibrous-adipose right ventricular myocardial replacement. Pedigree analysis showed that 58 per cent of the family members were affected, with a male predominance (63% of men vs 53% of women). The kindreds were all normal and in none of the families were both parents affected. Carrier states were observed in both males and females and vertical transmission was demonstrated. Clinically, the disease was very variable with some cases showing widespread right ventricular involvement with or without cardiomegaly, and other cases showing localised right ventricular abnormalities. These data are consistent with a congenital disease with an autosomal dominant mode of inheritance with incomplete penetrance and variable expression.
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