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Hybrid endoluminal stapled pyloroplasty: an alternative treatment option for gastric outlet obstruction syndrome

Authors
Gonzalez, CristiansKwak, Jung-MyunDavrieux, FedericoWatanabe, RyoheiMarescaux, JacquesSwanstrom, Lee
Issue Date
Jan-2019
Publisher
SPRINGER
Keywords
Gastric emptying; Gastroparesis; Endoscopy; Pyloroplasty; Hybrid surgery; Laparo-endoscopic collaborative surgery
Citation
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, v.33, no.1, pp.303 - 308
Indexed
SCIE
SCOPUS
Journal Title
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES
Volume
33
Number
1
Start Page
303
End Page
308
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/2543
DOI
10.1007/s00464-018-6493-5
ISSN
0930-2794
Abstract
BackgroundGastroparesis is a rapidly increasing problem with sometimes devastating consequences. While surgical treatments, particularly laparoscopic pyloroplasty, have recently gained popularity, they require general anesthesia, advanced skills, and can lead to leaks. Peroral pyloromyotomy is a less invasive alternative; however, this technique is technically demanding and not widely available. We describe a hybrid laparo-endoscopic collaborative approach using a novel gastric access device to allow endoluminal stapled pyloroplasty as an alternative treatment option for gastric outlet obstruction.MethodsUnder general anesthesia, six pigs (mean weight 33kg) underwent endoscopic placement of intragastric ports using a technique similar to percutaneous endoscopic gastrostomy. A 5mm laparoscope was used for visualization. A functional lumen imagine probe was used to measure the cross-sectional area (CSA) and diameter of the pylorus before, after, and at 1week after intervention. Pyloroplasty was performed using a 5mm articulating laparoscopic stapler. Gastrotomies were closed by endoscopic clips, endoscopic suture, or combination. After 6-8days, a second evaluation was performed. At the end of the protocol, all animals were euthanized.ResultsSix pyloroplasties were performed. In all cases, this technique was effective in achieving significant pyloric dilatation. The median pre-pyloroplasty pyloric diameter (D) and cross-sectional area (CSA) were 8mm (4.9-11.6mm) and 58.6mm(2) (19-107mm(2)), respectively. After the procedure, these values increased to 13.41mm (9.8-17.6mm) and 147.7mm(2) (76-244mm(2)), respectively (p=0.0152). No important intraoperative events were observed. Postoperatively, all animals did well, with adequate oral intake and no relevant complications. At follow-up endoscopy, all incisions were healed and the pylorus widely patent.ConclusionsHybrid endoluminal stapled pyloroplasty is a feasible, safe, and effective alternative method for the treatment of gastric outlet obstruction syndrome.
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Kwak, Jung Myun
Anam Hospital (Department of Colon and Rectal Surgery, Anam Hospital)
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