Of these, 5 patients experienced rupture of the ventricular wall, or septum, as a result of a heart attack.In the other 5 patients, the VSD was an unintended consequence of a previous heart surgery.

• 这些患者中，5例是由于心脏病发作导致的心室壁或室间隔破裂，另外5例患者的室间隔缺损是心脏手术的并发症。