胃粘膜血流量足胃粘膜屏障功能的重要组成部分,胃粘膜血流量的降低是急性胃粘膜病变和应激性溃疡众多发病因素中公认的重要因素之一。近年国外对胃粘膜血流量在胃肠道疾病发生、发展和愈合过程中的作用进行了大量的研究。但国内在这方面报告极少。我们与南开大学共同研制出内镜激光多普勒血流计,并对经内镜 Gastric mucosal blood flow is an important part of the gastric mucosal barrier function. The reduction of gastric mucosal blood flow is one of the most important factors recognized in many pathogenesis of acute gastric mucosal lesions and stress ulcer. In recent years, a large number of studies have been done on the role of gastric mucosal blood flow in the occurrence, development and healing of gastrointestinal diseases in foreign countries. However, there are few reports in this area in China. We and Nankai University jointly developed endoscopic laser Doppler blood flow meter, and the endoscopic