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Table 1 Perimembranous ventricular septal defect variant characteristics

From: Assessing the criteria for definition of perimembranous ventricular septal defects in light of the search for consensus

 

Perimembranous (n = 365)

Central (n = 94)

Inlet (n = 84)

Outlet (n = 168)

Confluent (n = 19)

Size

80% small (75), 17% moderate (16), 3% large (3)

13% small (11), 31% moderate (26), 56% large (47)

3% small (5), 29% moderate (49), 68% large (114)

32% moderate (6), 68% large (13)

Tricuspid to Aortic Valve Fibrous Continuity

80% (75)

95% (80)

74% (125)

95% (18)

- Tricuspid valve leaflet involved

55% septal (41), 24% antero-superior and septal (18), 21% antero-superior (16)

92% septal (74), 4% antero-superior and septal (3), 4% anterior (3)

26% septal (32), 10% antero-superior and septal (13), 64% antero-superior (80)

17% septal (3), 61% antero-superior and septal (11), 22% antero-superior (4)

Tricuspid to Mitral Valve Fibrous Continuity

100% (94)

100% (84)

100% (168)

100% (19)