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Lumbo-peritoneal Shunt Ventral Catheter Placement Using the Lateral Approach without Repositioning Tatsuya TANAKA 1 , Atsushi OGATA 2 , Hideki IWASHITA 1 , Xuan LIU 2 , Hirotaka SHOJIMA 2 , Nobuaki MOMOZAKI 1 , Eiichiro HONDA 3 , Tatsuya ABE 2 1Department of Neurosurgery, Imari Arita Kyoritsu Hospital 2Department of Neurosurgery, Saga University Hospital 3Department of Neurosurgery, Shiroishi Kyoritsu Hospital Keyword: hydrocephalus , lumbo-peritoneal shunt , lateral approach , retroperitoneal cavity pp.1021-1027
Published Date 2020/11/10
DOI https://doi.org/10.11477/mf.1436204315
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 We reported 10 cases of lumbo-peritoneal(L-P)shunt placement using the lateral approach without repositioning. Each patient was placed in a left lateral position under general anesthesia and fixed so that the spine did not rotate. The skin incision on the flank was made at the height of the L4 vertebral body, 4 cm in the left-right direction and 3cm in front of the vertebral body. The external oblique, internal oblique, and transverse abdominal muscles were dissected to reach the peritoneum and confirm that the intestinal tract was peristaltic below the peritoneum. The peritoneum was lifted with hooked tweezers in order to separate them from the intestinal tract, and the peritoneum was incised with a scalpel to reach the peritoneal cavity. Using a finger and a shunt passer, the ventral catheter was guided between the muscle layers.

 Preoperative abdominal CT showed that all 10 kidneys in this case series were cephalic from the predicted approach route. The ascending colons of three patients were partially in contact with the predicted approach route. During surgery, a ventral catheter could be inserted in all 10 cases. Postoperative abdominal CT showed no intraperitoneal hemorrhage or invasion into the retroperitoneal cavity of the ventral catheter. During the follow-up period, no invasion into the abdominal wall or infection was observed. The average operation time was 52.2 minutes.

 In order to avoid invasion into the retroperitoneal cavity, a surgical incision was performed without complications by incising the outer side of the lower abdomen and approaching via the external oblique aponeurosis.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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