...形术扩大管腔的机制包括支架的再扩张和新生组织挤压至支架外,但残留在支架内的新生内膜造成相对高的残余狭窄(residual stenosis)。在理论上,采用斑块切除技术可以减少支架内残余组织,扩大管腔初始容积,从而降低临床复发率。
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...气 球扩张至最大压力仍无法有效扩张血管内径,有时则因解离形成,使真腔(true lumen) 部分的动脉内径剩馀狭窄(residual stenosis)在气球扩张术后仍大于50%,此均为扩 张不完全之原因。 C.
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a residual stenosis 残余狭窄
"All patients achieved device and procedural success, " the authors report. The residual diameter of the stenosis was reduced from 61.5% to 12.6%.
作者报道:“支架本身和植入过程在每位患者都是成功的”,残余狭窄直径由61.5%降至12.6%。
There were a relatively high incidence of residual scimitar drainage stenosis that is similar between the 2 reported corrective surgical techniques used.
残余半月形狭窄血管有着相当高的发生率,正如先前报道过的2个行外科矫正术的患者那样。
Results: the results showed that no case caused residual cholelith and the end of biliary ducts stenosis in 104 cases.
结果:104例术后无一例发生胆道残余结石和胆管下端狭窄而再次手术。
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