Figure legend
Fig 1 . Three ports. The first port (2.5–3 cm) was positioned
in the fourth intercostal space outside the right midclavicular line.
The second port (1–1.5 cm) was placed in the fourth intercostal space
anterior axillary line. The third port (1.0–2.0 cm) was located in the
fifth intercostal space between the mid-axillary line and anterior
axillary line. A tissue retractor was insert into the port immediately
if each port was made.
Fig 2 . (A) Detachment of septal leaflet of tricuspid valve to
expose the VSD. The septal tricuspid valve was partially detached by a
circumferential parallel incision 2 mm away from the annulus, and the
septal leaflet was suspended by 5-0 Prolene. (B) Ventricular septal
defect repair using a bovine patch.