Laparoscopic distal pancreatectomy and splenectomy for splenic artery aneurysm
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Large splenic artery aneurysms are rare but comprise 60% of all visceral artery aneurysms. Most are found incidentally and rupture in the nonpregnant patient has an approximate 25 to 36% mortality rate. Historically these have been managed with an open surgical approach for resection.
We present the case of a 43-year-old man with a recent episode of bacterial endocarditis with an incidental finding of a large 6-cm splenic artery aneurysm. There was noted to be splenic vein occlusion and multiple splenic infarcts versus abscesses on preoperative imaging. There were concerns that this represented a mycotic aneurysm. He underwent laparoscopic en bloc splenic artery aneurysm resection with splenectomy and distal pancreatectomy with preoperative prophylactic balloon catheter placement.
His large splenic artery aneurysm was adjacent to the splenic hilum. Due to the splenic vein occlusion, there were large collateral vessels complicating the dissection. Additionally, the aneurysm had dense adhesions to the tail of the pancreas from a desmoplastic reaction. To safely remove the aneurysm, a distal pancreatectomy was included with resection of the spleen. The specimen was successfully removed intact using the laparoscopic approach. The patient had an uneventful recovery and was discharged home on postoperative day 2. Final pathology revealed no evidence of bacterial etiology.
Laparoscopic distal pancreatectomy with splenectomy is an appropriate minimally invasive option for the treatment of splenic artery aneurysms. This video demonstrates the technical challenges and management options for successfully completing a distal pancreatectomy and splenectomy in the face of a splenic artery aneurysm.
KeywordsLaparoscopic Pancreatectomy Splenectomy Splenic artery aneurysm
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Drs. Brandon T. Grover and Sigurd B. Gundersen, 3rd have no conflicts of interest or financial ties to disclose. Dr. Shanu N. Kothari serves as a consultant for ValleyLab and LifeCell as well as Covidien, which provides fellowship grant support.
Supplementary material 1 (MPG 73813 kb) The corresponding video was presented at SAGES 2009 Scientific Sessions on April 25, 2009 in Phoenix, AZ