目的：探讨金属钛夹结合内镜圈套电凝在内镜下切除大肠息肉的可行性和优点。
Objective To discuss the feasibility and advantage of the use of titanium ring clamp and endoscopic electric coagulation therapy on large colorectal polyps.
方法在电子胃镜下对52例ANVUGIB施行金属钛夹止血治疗，观察止血效果及有无并发症。
Methods Total 52 cases ANVUGIB were treated by endoscopic clips, and the effect of stanch bleeding were observed.
结果所有ANVUGIB病例经胃镜下金属钛夹治疗后立刻止血。仅有2例术后再次出血，再次给予钛夹钳夹后成功止血。
Results All patients were achieved hemostasis at once, only 2 cases rebleedinged and were treated successfully by clips again.
分别对开胸犬及7例二尖瓣金属瓣置换术后患者利用多普勒组织成像中的速度时间积分曲线对放置钛夹处心肌及二尖瓣环处的长轴运动位移进行定量研究；
Quantitative study was made on time velocity integral(TVI) of the implanted myocardium and left ventricular long axis in 7 canine models, and 7 patients with replaced metal mitral valve.
超微结构检查发现，两组金属夹动物的肝细胞内高密度次级溶酶体增多，银夹明显重于钛夹。
With metal clips the ultrastructure of experimental hepatic tissue demonstrated increment of secondary lysosomes with high density, particularly in animals with silver clips.
超微结构检查发现，两组金属夹动物的肝细胞内高密度次级溶酶体增多，银夹明显重于钛夹。
With metal clips the ultrastructure of experimental hepatic tissue demonstrated increment of secondary lysosomes with high density, particularly in animals with silver clips.
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