期刊
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s00464-023-10417-y
关键词
Pancreatoduodenectomy; Lymphadenectomy; Minimally invasive surgery; Superior mesenteric artery; Inferior pancreatoduodenal artery
类别
This study describes a technique for SMA dissection from the left posterior side. The method allows safe oncologic dissection around SMA avoiding anatomical misorientation during laparoscopic PD.
BackgroundIn pancreaticoduodenectomy (PD), the approach to superior mesenteric artery (SMA) is a critical process that supports adequate surgical margins and radicality for pancreatic tumors. In most of the reports on laparoscopic PD, the right-sided approach in which the jejunum is pulled out to the right side for peri-SMA dissection is used, since the left side of the SMA is difficult to dissect, and the only way to do this is to dissect the vein first.MethodsWe devised a method to simplify and safely perform peri-SMA dissection by reversing the process, starting from the left side of the SMA. The first step involves the mobilization of the pancreatic head, which allows for rotation around the SMA. The second step involves the dissection of the left side of the SMA and transection of the jejunum. The key point is to change the incision line between the anterior and posterior mesojejunum. The third process includes the inferior pancreatoduodenal artery (IPDA) and first jejunal artery (J1A) dissection, which can be easily performed from the left side because the SMA rotates by simply continuing the dissection along the previously exposed SMA, and the IPDA/J1A are safely dissected at the root because they are drawn to the left side. The remaining processes are performed on the right side.ResultsThis method was performed in 16 cases, and in most cases IPDA/J1A were divided from the left side.ConclusionThe technique for SMA dissection from the left posterior side was described with illustrations and video. Our method allows safe oncologic dissection around SMA avoiding anatomical misorientation during laparoscopic PD.
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