Feinstein A J, Varela J E, Cohn S M, Compton R P, McKenney M G
Department of Surgery, University of Miami School of Medicine, FL 33101, USA.
Yale J Biol Med. 2001 Sep-Oct;74(5):315-21.
Hemostasis after traumatic liver injury can be extremely difficult to obtain, particularly in coagulopathic patients who have suffered extensive liver damage. We determined the ability of a fibrin glue preparation (FG) to terminate ongoing bleeding using a new, clinically relevant porcine model of complex hepatic injury. Anesthetized swine (n = 6, 18 to 19 kg) received an external blast to the right upper abdomen and were immediately anticoagulated with intravenous heparin (200 u/kg). Uncontrolled hemorrhage from blast continued from time of injury (t = 0 minutes) to t = 15 minutes. Lactated Ringer's solution was infused to keep mean arterial pressure (MAP) > 80 mm Hg until the end of experiment (t = 90 minutes). Animals underwent routine surgical techniques to control bleeding, and FG was employed in the event these measures failed. Estimated blood loss and fluid resuscitation volume were measured. Serial MAP, arterial base excess, and temperature were recorded. Animals were severely injured with significant blood loss prior to laparotomy (26 +/- 6 cc/kg) and during routine surgical efforts to arrest hemorrhage (11 +/- 2 cc/kg). Bleeding could not be controlled with standard techniques in any animal. FG rapidly controlled hemorrhage and eliminated the need for packing. Re-bleeding was noted in only one animal (portal vein injury). FG can control severe hepatic hemorrhage when surgical techniques fail. Further work in the clinical arena is warranted to determine the potential benefits of FG in arresting hemorrhage in hemodynamically unstable coagulopathic patients with complex hepatic injuries.
创伤性肝损伤后的止血极其困难,尤其是在患有广泛肝损伤的凝血病患者中。我们使用一种新的、具有临床相关性的复杂肝损伤猪模型,确定了一种纤维蛋白胶制剂(FG)终止持续出血的能力。麻醉的猪(n = 6,体重18至19千克)右上腹受到外部冲击,并立即静脉注射肝素(200 U/kg)进行抗凝。从受伤时(t = 0分钟)到t = 15分钟,冲击造成的出血一直无法控制。输注乳酸林格氏液以维持平均动脉压(MAP)> 80 mmHg直至实验结束(t = 90分钟)。动物接受常规手术技术控制出血,若这些措施失败则使用FG。测量估计失血量和液体复苏量。记录系列MAP、动脉碱剩余和体温。在剖腹手术前(26 +/- 6 cc/kg)以及常规手术止血过程中(11 +/- 2 cc/kg),动物均受重伤且失血严重。任何动物的出血均无法用标准技术控制。FG迅速控制了出血并消除了填塞的必要性。仅在一只动物(门静脉损伤)中观察到再次出血。当手术技术失败时,FG可控制严重的肝出血。有必要在临床领域开展进一步研究,以确定FG在救治血流动力学不稳定的复杂肝损伤凝血病患者出血方面的潜在益处。