Journal of minimally invasive gynecology · 2017
Evaluation of a Spray-type, Novel Dextrin Hydrogel Adhesion Barrier Under Laparoscopic Conditions in a Porcine Uterine Horn Adhesion Model.
СтатьяНазвание и аннотация: Перевод в очереди
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Kai Miho, Maeda Kazuha, Tasaki Masako, Kira Shinichiro, Nakamura Shintaro, Chino Naotaka, Hagiwara Hitomi, Nishida Hitoshi, Kawanishi Tetsuro
Аннотация
STUDY OBJECTIVE: To establish a porcine uterine horn adhesion model that mimicked laparoscopic procedures and use it to investigate the effect of a spray-type, novel dextrin hydrogel adhesion barrier (AdSpray; Terumo Corporation, Tokyo, Japan) on postsurgical adhesions.
DESIGN: A single-blind randomized controlled trial (Canadian Task Force Classification I).
SETTING: A Certified animal research facility.
SUBJECTS: Sixteen female pigs.
INTERVENTIONS: All animals underwent laparoscopically assisted adhesion-inducing surgery. The uterine horns and the peritoneum of the pelvic sidewall were injured. In the experimental group, AdSpray was applied to the injured site, and the handling of the sprayer was assessed. At 28 ± 1 days after surgery, animals were sacrificed, and adhesions at the injured site were evaluated. Uterine horn suture sites were examined under a light microscope to assess healing of the incised wound, the inflammatory reaction, abscess, and the foreign body reaction to the surgical suture.
MEASUREMENTS AND MAIN RESULTS: The control group showed severe adhesions over the entire surface interface at the uterine horn suture sites and peritoneal resection site. Compared with the control treatment, AdSpray exhibited a higher percentage of adhesion-free sites (p < .001) and reduced the total adhesion score (p < .001). In the AdSpray group, no inflammation or abscess formation was observed on histopathological examination, and ideal healing of the suture sites was confirmed in all cases.
CONCLUSION: Based on the results of the present study, the novel dextrin hydrogel shows excellent adhesion prevention and can be easily applied during laparoscopy using a dedicated sprayer.
DESIGN: A single-blind randomized controlled trial (Canadian Task Force Classification I).
SETTING: A Certified animal research facility.
SUBJECTS: Sixteen female pigs.
INTERVENTIONS: All animals underwent laparoscopically assisted adhesion-inducing surgery. The uterine horns and the peritoneum of the pelvic sidewall were injured. In the experimental group, AdSpray was applied to the injured site, and the handling of the sprayer was assessed. At 28 ± 1 days after surgery, animals were sacrificed, and adhesions at the injured site were evaluated. Uterine horn suture sites were examined under a light microscope to assess healing of the incised wound, the inflammatory reaction, abscess, and the foreign body reaction to the surgical suture.
MEASUREMENTS AND MAIN RESULTS: The control group showed severe adhesions over the entire surface interface at the uterine horn suture sites and peritoneal resection site. Compared with the control treatment, AdSpray exhibited a higher percentage of adhesion-free sites (p < .001) and reduced the total adhesion score (p < .001). In the AdSpray group, no inflammation or abscess formation was observed on histopathological examination, and ideal healing of the suture sites was confirmed in all cases.
CONCLUSION: Based on the results of the present study, the novel dextrin hydrogel shows excellent adhesion prevention and can be easily applied during laparoscopy using a dedicated sprayer.