P enetrating cardiac injury (PCI) is associated with a high mortality because of hemorrhage and/or possible cardiac tamponade that occurs at the prehospital stage or in the Emergency Department (ED). 1,2 However, an early diagnosis by echocardiography and the physician's increased awareness of the possibility of major cardiac injury has a key role in improving the survival rate. In a nonelective setting, off-pump repair will be an alternative for treatment of PCI.
CASE REPORTA 23-year-old woman was brought to the ED with multiple stab wounds. On her arrival, she was hemodynamically unstable, which was persistent even after fluid and blood resuscitation. Multiple wounds were explored at the ED, and this examination revealed the stab wound below left nipple was so deep that a small pericardial defect could be palpated.Under a double-lumen endotracheal anesthesia, a left anterior thoracotomy skin incision was performed with the patient placed in the semilateral decubitus position. No active bleeders were found and pericardial cavity was profusely irrigated with warm saline. During irrigation, pulsating bleeding suddenly came from the proximal part of LAD, which was found after upward extension of pericardial opening. With an assistant compressing the bleeding site with his finger, a median sternotomy was quickly performed.The LAD transection was noticed after the artery gives rise to first diagonal branch. Because only marginal cardiac function would be expected after ligation, a decision for CABG was taken. The myocardial stabilizer (Guidant Corp, Cupertino, Calif.) was applied to the area of the LAD, and proximal end of LAD was ligated with a 5-0 polyprophylene suture. With a 7-0 polyprophylene suture, a segment of saphenous vein was anastomosed with the distal end in the end to end manner.For the proximal anastomosis, a partial occlusion clamp was placed over the ascending aorta. Suddenly and dramatically, active bleeding came from the anterior wall of LV near the transected LAD, which was made by unnoticed stab wound. This was considered as an effect of delayed LV rupture because of the sudden rise of LV afterload by the application of a partial occlusion clamp. The clamp was promptly released and the vigorous bleeding was controlled by gentle finger compression. The better exposure and observation of the rupture site was obtained after the gauze was placed back to the LV. The first mattress suture of 3-0 polyprophylene reinforced with Teflon pledget was placed in the middle of transverse rupture site of about 3.5 cm in length. Additional four mattress stitches were applied for secure closure. Once again, the ascending aorta was clamped for proximal anastomosis, and then active bleeding came from among the stitches. Additional stitches were applied for hemostasis.We decided to use left internal mammary artery (LIMA) for a proximal anastomosis. An end-to-end anastomosis was made between a segment of the saphenous vein and LIMA.After the operation, the patient recovered uneventfully, and the postoperative coronary...