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Daniel Rojo, Paulette Conget
BACKGROUND: Peritoneal adhesions are nonanatomical connections that bind organs to the abdominal wall or among them. They arise after peritoneal injury, which triggers an inflammatory response followed by a healing process that leads to fibrotic tissue formation. Mesenchymal stem cells and their secretion products, also referred to as acellular derivatives (ACDs), have anti-inflammatory, fibrinolytic, and antifibrogenic properties. The aim of this study was to determine the effect of intraoperative administration of ACD on the appearance, severity, and progression of peritoneal adhesions, in an animal model...
March 2018: Journal of Surgical Research
Adem Akcakaya, Ibrahim Aydogdu, Bulent Citgez
The purpose of this experimental study is to investigate and compare the effects of prosthetic materials used for wound healing of abdominal wall hernias. A total of 60 rats were divided into five equal groups: Group I, control subjected to laparotomy; group II, abdominal wall defect 3×2 cm+polypropylene (PP) mesh; group III, abdominal wall defect 3×2 cm+PP mesh+hyaluronate and carboxymethylcellulose (H-CMC; Seprafilm®); group IV, abdominal wall defect 3×2 cm+polytetrafluoroethylene (PTFE; Composix™); and group V, abdominal wall defect 3×2 cm+polyethylene terephthalate (PET; Dacron®)...
February 2018: Experimental and Therapeutic Medicine
Pang-Yun Chou, Shih-Heng Chen, Chih-Hao Chen, Shih-Hsien Chen, Yi Teng Fong, Jyh-Ping Chen
In this study, we aimed to assess whether thermo-responsive in-situ forming hydrogels based on poly(N-isopropylacrylamide) (PNIPAM) could prevent post-operative peritendinous adhesion. The clinical advantages of the thermo-responsive hydrogels are acting as barrier material to block penetration of fibroblasts, providing mobility and flexibility during application and enabling injection through a small opening to fill spaces of any shape after surgery. The thermo-responsiveness of hydrogels was determined to ensure their clinic uses...
November 2017: Acta Biomaterialia
Hiroko Torii, Toshitaka Takagi, Mamoru Urabe, Hiroyuki Tsujimoto, Yuki Ozamoto, Hiroe Miyamoto, Yoshihito Ikada, Akeo Hagiwara
AIM: Adhesion after pelvic surgery causes infertility, ectopic pregnancy, and ileus or abdominal pain. The materials currently available for clinical use are insufficient. The purpose of this study was to develop an anti-adhesive material that overcomes the limitations of conventional anti-adhesive agents. METHODS: The adhesion prevention effects of three methods - a two-layered sheet composed of gelatin film and gelatin sponge, Seprafilm and INTERCEED - were evaluated in 37 dogs...
August 2017: Journal of Obstetrics and Gynaecology Research
Mun-Kun Hong, Dah-Ching Ding
BACKGROUND AND OBJECTIVES: Postoperative adhesions occur less often in laparoscopies than in laparotomies, but the incidence can be reduced further. Seprafilm, a sodium hyaluronate/carboxymethylcellulose absorbable barrier, was developed to prevent adhesions after abdominal surgery, and is approved for postoperative adhesion prevention. However, Seprafilm is seldom used in laparoscopic surgery because of its tendency to break apart when it is inserted into the abdominal cavity through a trocar, resulting in a high placement failure rate...
January 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
Andreas M Lamelas, Eric M Jablonka, Marco A Harmaty, Philip J Torina
The desire for nipple-preserving mastectomies has increased over the past decade as studies have proven that the procedure has comparable oncologic risk as a traditional mastectomy in both therapeutic and prophylactic cases. Partial or complete nipple necrosis is a well-known complication of this procedure with rates in the literature ranging between 1% and 9%. In high-risk patients, surgeons are performing a delay procedure before the mastectomy to help improve nipple vascularity and decrease necrosis rates...
December 2016: Plastic and Reconstructive Surgery. Global Open
Tzu-An Chen, Chien-Yuh Yeh
No abstract text is available yet for this article.
April 2017: Annals of Surgery
Volker H Schmitt, Andreas Mamilos, Christine Schmitt, Constanze N E Neitzer-Planck, Taufiek K Rajab, David Hollemann, Willi Wagner, Bernhard Krämer, Helmut Hierlemann, C James Kirkpatrick, Christoph Brochhausen
Separating wounded serosa by physical barriers is the only clinically approved adjunct for postoperative adhesion prevention. Since the optimal adhesion barrier has not been found, it is essential to improve our pathogenic understanding of adhesion formation and to compare the effects of different barrier materials on tissue and cells. Wistar rats underwent standardized peritoneal damage and were treated either with Seprafilm, Adept, Intercoat, Spraygel, SupraSeal or remained untreated as a control. 14 days postoperatively, the lesions were explanted and histomorphologically analyzed using the European ISO score to evaluate material implants...
March 6, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Long-Xiang Lin, Fang Yuan, Hui-Hui Zhang, Ni-Na Liao, Jing-Wan Luo, Yu-Long Sun
BACKGROUND: Adhesions frequently occur after abdominal surgery. Many anti-adhesion products have been used in clinic. However, the evidences are short for surgeons to reasonably choose the suitable anti-adhesion produces in clinical practice. This study provided such evidence by comparing the efficiency of five products to prevent abdominal adhesion formation in a rat model. METHODS: Fifty-six Sprague-Dawley rats were randomly divided into seven groups: sham-operation group, adhesion group, and five product groups (n = 8)...
2017: PloS One
M Haruta, M Arai, J Sueda, T Hirose, R Yamakawa
PurposeTo describe the long-term surgical outcomes of four patients treated for retinal detachment using Seprafilm as a novel technique.MethodsRetinal breaks in four eyes were covered with Seprafilm using a transvitreal approach after cataract surgery, pars plana vitrectomy, fluid-air exchange, and laser photocoagulation. Neither long-standing gas nor silicone oil was used. The patients were not instructed to maintain a specific head positioning postoperatively.ResultsSuccessful retinal reattachment was achieved with a single surgery in all four eyes, and none developed proliferative vitreoretinopathy...
May 2017: Eye
Masaaki Nagata, Namiko Hoshi, Hayato Yoshinaka, Hideyuki Shiomi, Mamoru Takenaka, Atsuhiro Masuda, Yumi Maruyama, Ray Uchida, Takeshi Azuma, Hiromu Kutsumi
Postoperative abdominal adhesions are one of the most common post-laparotomy complications observed. Several types of adhesion preventative agents are available and their effectiveness and adverse impact have been clinically evaluated in previous studies. However, few basic studies have tested whether those agents do not trigger any unwanted xenobiotic reaction, which makes some surgeons hesitant to use them. To clarify this point, we investigated whether the adhesion preventative agent Seprafilm(®) (KAKEN PHARMACEUTICAL CO...
2016: Progress in Biomaterials
D Poehnert, L Grethe, L Maegel, D Jonigk, T Lippmann, A Kaltenborn, H Schrem, J Klempnauer, M Winny
BACKGROUND: Abdominal operations are followed by adhesions, a prevalent cause of abdominal pain, and the most frequent cause for bowel obstruction and secondary female infertility. This rat study addresses adhesion prevention capability of Adept(®), Interceed(®), Seprafilm(®), and a novel device, 4DryField(®) PH which is provided as powder and generates its effect as gel. METHODS: Sixty-eight male Lewis rats had cecal abrasion and creation of an equally sized abdominal wall defect, and were grouped randomly: A control group without treatment (n=10); two groups treated with 4DryField(®) PH using premixed gel (n=15) or in-situ gel technique (n=16); one group each was treated with Seprafilm(®) (n=8), Interceed(®) (n=9), or Adept(®) (n=10)...
2016: International Journal of Medical Sciences
Willy Arung, Pierre Drion, Olivier Detry
PURPOSE: The present study aimed to investigate the safety and the anti-postoperative peritoneal adhesion (PPA) characteristics of Sepramesh(®) (Davol), a composite mesh made of polypropylene covered with Seprafilm, when intraperitoneally placed in a rat model. METHODS: Twenty male rats were randomized into a control group and a Sepramesh group. They underwent a primary surgical procedure aiming to induce a peritoneal injury in order to induce PPAs. In the Sepramesh group, the burnt peritoneum was covered with a 2-cm diameter disc of Sepramesh prosthesis...
December 2016: Acta Chirurgica Belgica
Ismail Hakkı Ozerhan, Murat Urkan, Ulvi Mehmet Meral, Aytekin Unlu, Nail Ersöz, Funda Demirag, Gokhan Yagci
INTRODUCTION: Intra-abdominal adhesions (IA) may occur after abdominal surgery and also may lead to complications such as infertility, intestinal obstruction and chronic pain. The aim of this study was to compare the effects of Mitomycin-C (MM-C) and sodium hyaluronate/carboxymethylcellulose [NH/CMC] on abdominal adhesions in a cecal abrasion model and to investigate the toxicity of MM-C on complete blood count (CBC) and bone marrow analyses. METHODS: The study comprised forty rats in four groups (Control, Sham, Cecal abrasion + MM-C, and Cecal abrasion + NH/CMC)...
2016: SpringerPlus
Ersoy Arslan, Oktay Irkorucu, Alper Sozutek, Suleyman Cetinkunar, Enver Reyhan, Abit Yaman, Figen Doran
PURPOSE: To investigate the potential efficacy of beractant (Survanta(r)) and Seprafilm(r) on the prevention of postoperative adhesions. METHODS: Forty Wistar-albino female rats were used. The rats were randomly allocated into four groups of 10 rats each as control group (CG), beractant group (BG), Seprafilm(r) group (SG), and combined group (COG). All rats underwent cecal abrasion via midline laparotomy. Before abdominal closure, isotonic saline, beractant, Seprafilm, and combined agents were intraperitoneally administered...
June 2016: Acta Cirúrgica Brasileira
Hideki Osawa, Junichi Nishimura, Masayuki Hiraki, Hidekazu Takahashi, Naotsugu Haraguchi, Taishi Hata, Masakazu Ikenaga, Kohei Murata, Hirofumi Yamamoto, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
PURPOSE: To examine the regeneration of mesothelium under a bioresorbable membrane. METHODS: A 1 cm(2) piece of peritoneum was resected from both sides of the abdominal wall of retired female mice. A piece of hyaluronate and carboxymethyl-cellulose (Seprafilm(®)) was placed over the wound on one side and the other side was left uncovered. We evaluated the degree of adhesion and regeneration of mesothelial cells macroscopically and histologically using immunohistochemistry at different times...
January 2017: Surgery Today
Yasuo Sumi, Kimihiro Yamashita, Kiyonori Kanemitsu, Masashi Yamamoto, Shingo Kanaji, Tatsuya Imanishi, Tetsu Nakamura, Satoshi Suzuki, Kenichi Tanaka, Yoshihiro Kakeji
Laparoscopic surgery is a minimally invasive surgery, and the incidence of postoperative small bowel obstruction (SBO) is not high. However, SBO is a disease that detracts from the benefits of laparoscopic surgery due to the need for additional therapies or prolongation of hospital stay. Seprafilm is effective in reducing adhesions and preventing the occurrence of SBO. However, it is very difficult to place the Seprafilm during laparoscopic surgery compared to open surgery. Herein, we report a simple and easy method...
December 2015: Indian Journal of Surgery
Tarik Artis, A Seda Artis, Ergin Arslan, Fatih Mutlu, Abdurrahman Akay, Kemal Deniz
OBJECTIVE: Postoperative adhesions are among the major causes of morbidity and mortality following abdominal surgery. As an antioxidant and antiinflamatory agent, the potential effect of ethyl pyruvate on adhesion prevention has not been clearly studied. We aimed to investigate the possible anti-adhesive effect of ethyl pyruvate compared with an effective barrier membrane, Seprafilm, in a rat cecal abrasion model. MATERIALS AND METHODS: Male Wistar albino rats separated into three adhesion model groups (n = 8, each) with applications of different agents during surgery: control (intraperitoneal normal saline), Seprafilm group (intraperitoneal Seprafilm), and Ethyl pyruvate group (40 mg/kg intraperitoneal ethyl pyruvate)...
October 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
Mahmut Kalem, Ercan Şahin, Murat Songür, Sinan Zehir, Mehmet Armangil, Mehmet A Demirtaş
OBJECTIVE: This experimental study investigates the effectiveness of expanded polytetrafluoroethylene (Dualmesh®, Gore Medical, Flagstaff, AZ, USA), sodium hyaluronate-carboxymethyl cellulose (Seprafilm®, Genzyme, Cambridge, MA, USA), and polysiloxane (silicone) as anti-adhesive barriers for inhibition of fibrosis in the subacromial area following rotator cuff repair. METHODS: Rabbit rotator cuff tenotomy and repair was conducted on 24 rabbits in 4 groups: control (Group A), Dualmesh® (Group B), Seprafilm® (Group C), and silicone (Group D)...
2016: Acta Orthopaedica et Traumatologica Turcica
A Hinoki, A Saito, M Kinoshita, J Yamamoto, D Saitoh, S Takeoka
BACKGROUND: Ultrathin films (nanosheets) adhere tightly to organ surfaces but prevent adhesion to other organs. The antiadhesive effect of nanosheets and their effect on bacterial propagation were investigated in a murine intestinal adhesion model. METHODS: Polylactic acid nanosheets (approximately 80 nm thick) were produced. Serosal defects were created by peeling off the intestinal serosa; these were left open or covered with nanosheets or Seprafilm® and the formation of intestinal adhesions was analysed...
May 2016: British Journal of Surgery
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