Department of Surgery, Teikyo University Mizonokuch Hospital, Kanagawa 213-8507, Japan.
Department of Surgery, Saitama Medical University International Medical Center, Saitama 350-1298, Japan.
World J Gastroenterol. 2022 Oct 21;28(39):5707-5722. doi: 10.3748/wjg.v28.i39.5707.
Biliodigestive anastomosis between the extrahepatic bile duct and the intestine for bile duct disease is a gastrointestinal reconstruction that abolishes duodenal papilla function and frequently causes retrograde cholangitis. This chronic inflammation can cause liver dysfunction, liver abscess, and even bile duct cancer. Although research has been conducted for over 100 years to directly repair bile duct defects with alternatives, no bile duct substitute (BDS) has been developed. This narrative review confirms our understanding of why bile duct alternatives have not been developed and explains the clinical applicability of BDSs in the near future. We searched the PubMed electronic database to identify studies conducted to develop BDSs until December 2021 and identified studies in English. Two independent reviewers reviewed studies on large animals with 8 or more cases. Four types of BDSs prevail: Autologous tissue, non-bioabsorbable material, bioabsorbable material, and others (decellularized tissue, 3D-printed structures, ). In most studies, BDSs failed due to obstruction of the lumen or stenosis of the anastomosis with the native bile duct. BDS has not been developed primarily because control of bile duct wound healing and regeneration has not been elucidated. A BDS expected to be clinically applied in the near future incorporates a bioabsorbable material that allows for regeneration of the bile duct outside the BDS.
用于胆管疾病的肝外胆管与肠之间的胆肠吻合术是一种胃肠道重建术,它会消除十二指肠乳头的功能,并经常导致逆行性胆管炎。这种慢性炎症可导致肝功能障碍、肝脓肿,甚至胆管癌。尽管 100 多年来一直在研究用替代品直接修复胆管缺陷,但尚未开发出胆管替代品(BDS)。本叙述性综述证实了我们对为什么没有开发出胆管替代品的理解,并解释了 BDS 在不久的将来的临床适用性。我们在 PubMed 电子数据库中搜索了截至 2021 年 12 月开发 BDS 的研究,并确定了英文研究。两名独立审查员审查了在 8 例或更多大动物上进行的研究。四种类型的 BDS 占主导地位:自体组织、不可生物降解材料、可生物降解材料和其他(去细胞组织、3D 打印结构、)。在大多数研究中,BDS 失败是由于管腔阻塞或与天然胆管的吻合口狭窄。BDS 尚未开发主要是因为胆管创伤愈合和再生的控制尚未阐明。一种有望在不久的将来临床应用的 BDS 包含一种可生物降解的材料,该材料允许在 BDS 之外再生胆管。
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