Gastrointest Endosc:含集成银颗粒的硅膜覆盖的金属支架可预防恶性胆道梗阻

2020-09-29 MedSci原创 MedSci原创

膜覆盖的自膨式金属支架(SEMSs)已被开发出来,通过减少组织增生或肿瘤生长来延长支架的通畅性。然而,由于膜的内表面形成生物膜而导致支架堵塞,减弱了其有效性。一项单中心试验研究评价了在恶性远端胆道梗阻

膜覆盖的自膨式金属支架(SEMSs)已被开发出来,通过减少组织增生或肿瘤生长来延长支架的通畅性。然而,由于膜的内表面形成生物膜而导致支架堵塞,减弱了其有效性。一项单中心试验研究评价了在恶性远端胆道梗阻中覆盖含有集成银颗粒(Ag-P)的硅胶膜的SEMSs的疗效和安全性,研究成果已在线发表于Gastrointest Endosc。

 

研究纳入了24名因恶性胆道远端梗阻而接受SEMS置入的患者。主要结果为技术成功率、临床成功率、不良事件、支架通畅率和生存率。

 

结果显示,技术成功率和临床成功率分别为100%和91.7%(24例中的22例)。早期和晚期不良事件发生率分别为22.7%和36.4%。主要再介入率为27.3%(22例中的6例)。只有1例涉及支架失败的病例与支架堵塞有关。支架的中位通畅时间为179天。在随访期间,没有发生与支架或Ag-P相关的严重不良事件或死亡。支架置入前后和置入后32周的血清和尿液银浓度没有差异。所有血清和尿银浓度分别<3μg/L(3 ppb)和5μg/L(5 ppb)。

 

综上所述,该研究结果表明,SEMSs覆盖在含有集成Ag-Ps的硅膜上,可能对恶性远端胆道梗阻有效且安全。使用这种新支架可能较少发生与支架堵塞有关的支架功能障碍。

 

原始出处:

 

Tae Hoon LeeMin Kyo Jung, et al., Safety and efficacy of a metal stent covered with a silicone membrane containing integrated silver particles in preventing biofilm and sludge formation in endoscopic drainage of malignant biliary obstruction: a phase 2 pilot study. Gastrointest Endosc. 2019 Oct;90(4):663-672.e2. doi: 10.1016/j.gie.2019.06.007. 

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    2021-03-05 lqvr
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    2021-01-21 gous
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    2021-01-23 许安
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