Pascal J P
Service d'hépato-gastroentérologie, CHU Purpan, Toulouse.
Rev Prat. 1990 Jun 1;40(16):1458-61.
Oesophageal varices are found in two-thirds of cirrhotic patients, and they bleed by rupture in only 50% of the cases. Each bleeding episode carries a mortality risk of about 30%. Recurrences occur in 70% of survivors. Patients with cirrhosis may be considered as being at risk of haemorrhage when large varices, notably with "red signs", are discovered at endoscopy. In two-thirds of the cases, the hemorrhage from ruptured oesophageal varices has stopped by the time emergency endoscopy is performed, but its severity mainly depends on its early recurrence. Haemostatic treatments are justified only in the presence of an active haemorrhage. The best method seems to be endoscopic variceal sclerotherapy carried out in a specialized centre by a centre by a trained endoscopist. The other methods should be used only when sclerotherapy has failed. The prevention of recurrences (secondary prophylaxis) mainly rests on the eradication of varices by endoscopic sclerosis. The addition of propranolol to treatment is probably useful. The seriousness of haemorrhages due to rupture of oesophageal varices justifies primary prophylaxis in patients with large varices found at endoscopy. At present, nonselective beta-blockers constitute the best method of primary prophylaxis. In about 1 out of 5 cases, haemorrhages in cirrhotic patients are due to a different lesion, such as ruptured gastric varices or gastric disease due to portal hypertension. The treatment of haemorrhages causes by these lesions has not been clearly defined, but surgical haemostasis is sometimes indicated in case of ruptures gastric varices.
三分之二的肝硬化患者存在食管静脉曲张,其中仅有50%的病例会因曲张静脉破裂出血。每次出血发作的死亡风险约为30%。70%的幸存者会复发。在内镜检查中发现大的静脉曲张,尤其是伴有“红色征”时,肝硬化患者可被视为有出血风险。在三分之二的病例中,当进行急诊内镜检查时,食管曲张静脉破裂出血已停止,但其严重程度主要取决于早期复发情况。只有在存在活动性出血时,止血治疗才是合理的。最佳方法似乎是由经过培训的内镜医师在专门中心进行内镜下曲张静脉硬化治疗。只有在硬化治疗失败时才应使用其他方法。预防复发(二级预防)主要依靠内镜硬化术消除静脉曲张。治疗中加用普萘洛尔可能有用。内镜检查发现大静脉曲张的患者,食管曲张静脉破裂出血的严重性使得一级预防成为必要。目前,非选择性β受体阻滞剂是一级预防的最佳方法。在大约五分之一的病例中,肝硬化患者的出血是由不同病变引起的,如胃底静脉曲张破裂或门静脉高压导致的胃部疾病。这些病变引起的出血治疗方法尚未明确界定,但胃底静脉曲张破裂时有时需要手术止血。