Transcatheter Closure of Perimembranous Ventricular Septal Defect with Aneurysm: Radiologic Characteristic and Interventional Strategy

Table 1

Baseline data of various types of aneurysm.

	Types ( ± s)			F
	A (n = 54)	B (n = 51)	C (n = 123)
a (mm)	8.25 ± 2.50	5.55 ± 3.07	6.66 ± 3.17	10.85	<0.01
b (mm)	6.49 ± 2.36	8.60 ± 3.43	7.74 ± 3.40	5.86	<0.01
c (mm)	4.29 ± 2.16	3.97 ± 2.90	10.46 ± 3.71	108.91	<0.01
h (mm)	6.45 ± 2.23	8.33 ± 2.46	7.92 ± 2.69	8.574	<0.01

a: the inlet portion of the aneurysm, b: the diameter of the midsegment of the aneurysm, c: the outlet portion of the aneurysm, and h: the height of the aneurysm.