scholarly journals Fibrin adhesive and the vaginal vault synthesis on female rabbits abdominal hysterectomies

2009 ◽  
Vol 24 (1) ◽  
pp. 30-35 ◽  
Author(s):  
Ari Gonçalves Lima ◽  
Murched Omar Taha ◽  
Henri Chaplin Rivoire ◽  
Anna Tereza Negrini Fagundes ◽  
Djalma José Fagundes
Keyword(s):  
Fibrin Glue ◽  
Granulation Tissue ◽  
Fibrous Tissue ◽  
Rabbit Model ◽  
Abdominal Hysterectomy ◽  
Polyglycolic Acid ◽  
Vaginal Vault ◽  
Fisher Test ◽  
Burst Test ◽  
Significant Difference

PURPOSE: To investigate the effectiveness of fibrin glue in comparison with polyglycolic acid suture to promote the closure of rabbit's vaginal vault, after abdominal hysterectomy. METHODS: Twenty female, adults, New Zealand rabbits, were submitted to abdominal hysterectomy and randomly distributed to polyglycolic acid suture (G-PA / n=10) or fibrin glue closure of vaginal vault (G-FG / n=10). Radiograph study allowed identifying vault vaginal suture disrupter or fistulas to urinary bladder or rectum. Videovaginoscopy study allowed identifying the presence of cellulites, abscess formation, tissue granulation or granuloma. Vaginal cuff burst test allowed to identify by the escape of air bubbles and rupture pression record. Histological sections stained with Picrosirius red allowed the measure of fibrous tissue healing. RESULTS: The videovaginoscopy identified a significant difference (Fisher Test p<0.3142) of granulation tissue in the animals of G-PA (40%) in comparison with the G-FG (20%). The gross inspection showed the same relation in the granulation tissue occurrence (Fisher test p< 0.1749) with G-PA (50%) and G-FB (20%). The visceral adhesion to the vaginal vault wound was statistical significant (Fisher test p< 0.1749) with G-PA (50%) and G-FG (20%). The pressure of rupture (mm Hg) of the burst test was similar (p<0.0421) in the animals of G-PA (61.5±19.3) and G-FG (72.5±21.9). The collagen matrix of vault wound healing was similar (p< 0.0231) between the G-PA (31.63±15) and the G-FG (23.2±13.2). CONCLUSION: The vaginal vault closure using the fibrin glue is a safe and reliable procedure after abdominal hysterectomy in female rabbit model.

Effect of Woven Fabric Biodegradable Polyglycolic Acid on Joint Resurfacing with Fresh Chondrocytes in a Rabbit Model

2007 ◽  
Vol 330-332 ◽  
pp. 1197-1200
Author(s):  
Zhong Li Shi ◽  
Wei Qi Yan ◽  
Jie Feng ◽  
Bing Gang Guan ◽  
Yang Bo Liu ◽  
...  
Keyword(s):  
Weight Bearing ◽  
Fibrous Tissue ◽  
Rabbit Model ◽  
Polyglycolic Acid ◽  
Woven Fabric ◽  
Histological Evaluation ◽  
Cell Group ◽  
Cartilage Defects ◽  
Control Group

To evaluate the effectiveness of the cell-material in situ on joint resurfacing, a woven fabric polyglycolic acid (PGA) treated with fresh chondrocytes was used for repairing cartilage defects. Full-thickness defects were created in the weight-bearing surfaces of the femoral intercondylar fossa in a rabbit model. The defect was filled with and without PGA under surgical condition. Before implantation, chondrocytes were co-cultured with PGA for one day. The animals were sacrificed at eight weeks after implantation and evaluated grossly and histological score. Morphological examination showed that for PGA/chondrocytes group, the repaired tissue appeared similar in color and texture to the surrounding articular surface. While for the untreated control, no cartilage-like tissue was observed at all defects, but connective fibrous tissue. Histological analysis revealed neochondrogenesis and clusters of cartilage matrix with specific safranin-O staining for the PGA/cell group. The Gross and histological evaluation indicated a significantly higher score for PGA/cell group than for PGA and control group. These results suggest that the woven fabric PGA may facilitate the formation of cartilage tissues by providing a biodegradable and good-handle vehicle for the delivery to and retention of organized cell matrix constructs in vivo site. It might therefore enhance neochondrogenesis because of the superior biodegradable and biocompatible of PGA scaffold sheet, while the more suitable biological environment might sustain cell growth and in situ cell function, suggesting a promising candidate for functional tissue engineering of clinical environment.

Endoscopic tissue shielding to prevent bleeding after endoscopic submucosal dissection: a prospective multicenter randomized controlled trial

Endoscopy ◽  
2019 ◽  
Vol 51 (07) ◽  
pp. 619-627 ◽  
Author(s):  
Yosuke Kataoka ◽  
Yosuke Tsuji ◽  
Kingo Hirasawa ◽  
Kengo Takimoto ◽  
Tomonori Wada ◽  
...  
Keyword(s):  
Randomized Controlled Trial ◽  
Endoscopic Submucosal Dissection ◽  
Fibrin Glue ◽  
Controlled Trial ◽  
Polyglycolic Acid ◽  
Control Group ◽  
Randomized Controlled ◽  
Submucosal Dissection ◽  
Significant Difference ◽  
Multicenter Randomized Controlled Trial

Abstract Background Bleeding after endoscopic submucosal dissection (ESD) is a severe adverse event. Recent reports have described the efficacy of the endoscopic shielding method with polyglycolic acid (PGA) sheets and fibrin glue for the prevention of adverse events after ESD. The aim of the present study was to investigate whether the PGA shielding method provides additional benefit in preventing post-ESD bleeding compared with standard care. Methods This was a prospective, multicenter, randomized controlled trial. Patients at high risk of post-ESD bleeding were enrolled in the study. Before ESD, patients were randomized to either the PGA group or the control group. After completing ESD in the PGA group, PGA sheets were placed onto the ulcer floor and adhered with fibrin glue. The primary end point was the post-ESD bleeding rate. Results 140 eligible patients were enrolled from September 2014 to September 2016, and 137 were included in the intention-to-treat analysis (67 in the PGA group and 70 in the control group). Post-ESD bleeding occurred in three patients (4.5 %) in the PGA group and in four patients (5.7 %) in the control group; there was no significant difference between the two groups (P > 0.99). Post-ESD bleeding tended to occur later in the control group than in the PGA group (median 12.5 days [range 8 – 14] vs. 2 days [range 0 – 7], respectively). Conclusion The PGA shielding method did not demonstrate a significant effect on the prevention of post-ESD bleeding.

scholarly journals Feasibility of a modified search, coagulation, and clipping method with and without the use of polyglycolic acid sheets and fibrin glue for preventing delayed bleeding after gastric endoscopic submucosal dissection

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Satoshi Abiko ◽  
Soichiro Oda ◽  
Akimitsu Meno ◽  
Akane Shido ◽  
Sonoe Yoshida ◽  
...  
Keyword(s):  
High Risk ◽  
Endoscopic Submucosal Dissection ◽  
Median Time ◽  
Fibrin Glue ◽  
Polyglycolic Acid ◽  
Low Risk ◽  
R0 Resection ◽  
Antithrombotic Agents ◽  
Delayed Bleeding ◽  
Submucosal Dissection

Abstract Background Methods have been developed for preventing delayed bleeding (DB) after gastric endoscopic submucosal dissection (GESD). However, none of the methods can completely prevent DB. We hypothesized that DB could be prevented by a modified search, coagulation, and clipping (MSCC) method for patients at low risk for DB and by combining the use of polyglycolic acid sheets and fibrin glue with the MSCC method (PMSCC method) for patients at high risk for DB (antibleeding [ABI] strategy). This study assessed the technical feasibility of this novel strategy. Method We investigated 123 lesions in 121 consecutive patients who underwent GESD in Kushiro Rosai Hospital between April 2018 and January 2020. The decision for continuation or cessation of antithrombotic agents was based on the Guidelines for Gastroenterological Endoscopy in Patients Undergoing Antithrombotic Treatment. Results Oral antithrombotic agents were administered to 28 patients (22.8%). The en bloc R0 resection rate was 98.4%. The MSCC method and the PMSCC method for preventing DB were performed in 114 and 9 lesions, respectively. The median time of the MSCC method was 16 min, and the median speed (the resection area divided by the time of method used) was 3.6 cm2/10 min. The median time of the PMSCC method was 59 min, and the median speed was 1.3 cm2/10 min. The only delayed procedural adverse event was DB in 1 (0.8%) of the 123 lesions. Conclusions The ABI strategy is feasible for preventing DB both in patients at low risk and in those at high risk for DB after GESD, whereas the PMSCC method may be necessary for reduction of time.

scholarly journals Nonsuture dural repair using polyglycolic acid mesh and fibrin glue: clinical application to spinal surgery

2006 ◽  
Vol 65 (2) ◽  
pp. 136-142 ◽  
Author(s):  
Kazutoshi Hida ◽  
Satoshi Yamaguchi ◽  
Toshitaka Seki ◽  
Shunsuke Yano ◽  
Minoru Akino ◽  
...  
Keyword(s):  
Fibrin Glue ◽  
Clinical Application ◽  
Spinal Surgery ◽  
Polyglycolic Acid ◽  
Dural Repair ◽  
Polyglycolic Acid Mesh

Comparison of 4 Techniques for Limbal-Conjunctival Autograft Fixation in Primary Pterygium Surgery

2017 ◽  
Vol 27 (4) ◽  
pp. 466-469 ◽  
Author(s):  
Luis F. Mejía ◽  
Juan P. Santamaría ◽  
Miguel Cuevas ◽  
Andrea Córdoba ◽  
Sergio A. Carvajal
Keyword(s):  
Recurrence Rate ◽  
Fibrin Glue ◽  
Ocular Inflammation ◽  
Postoperative Patient ◽  
Patient Discomfort ◽  
Conjunctival Autograft ◽  
Significant Difference ◽  
Fixation Techniques ◽  
Pterygium Surgery ◽  
Limbal Conjunctival Autograft

Purpose To compare 4 limbal-conjunctival autograft fixation techniques—conventional suture, commercial fibrin glue, autologous fibrin glue, and cautery—in primary nasal pterygium surgery. Methods This is a retrospective and descriptive study. The postoperative patient discomfort, graft edema, ocular inflammation, and other complications of 4 limbal-conjunctival autograft fixation techniques in primary nasal pterygium surgery were evaluated. Results Postoperative patient discomfort was significantly lower with the sutureless techniques (p<0.001), with fixation with cautery having the lowest rate of discomfort. Graft edema and ocular inflammation during the early postoperative period were significantly higher when fibrin glue techniques were used (p<0.001). The recurrence rate did not show a statistically significant difference (p = 0.682) among the 4 groups. Conclusion In primary nasal pterygium surgery, limbal-conjunctival autograft fixation using cautery is the technique with the lowest postoperative discomfort rate and without a statistically significant increase in recurrence rate when compared to conventional suture and fibrin glue techniques.

scholarly journals Influence of the Thermal Treatment to Address a Better Osseointegration of Ti6Al4V Dental Implants: Histological and Histomorphometrical Study in a Rabbit Model

2018 ◽  
Vol 2018 ◽  
pp. 1-7 ◽  
Author(s):  
Antonio Scarano ◽  
Ezio Crocetta ◽  
Alessandro Quaranta ◽  
Felice Lorusso
Keyword(s):  
Thermal Treatment ◽  
Dental Implants ◽  
Bone Healing ◽  
Rabbit Model ◽  
Titanium Implants ◽  
Control Group ◽  
Left Femur ◽  
Bone Response ◽  
First Choice ◽  
Significant Difference

Background. Pure titanium continues to be the first choice for dental implants and represents the gold standard for their biocompatibility and physical and mechanical characteristics, while the titanium alloy (Ti6Al4V) has good mechanical properties. The surface structure of the titanium oxide layer formation on the surface influences and improves the bone response around dental implants. Purpose. The purpose of this study is to evaluate the influence of a thermal treatment of Ti6Al4V implant surfaces and the bone healing response in a rabbit model. Methods. Altogether sixteen implants with same design were inserted into the distal femoral metaphysis. A screw (13 mm long, 4 mm in diameter) was inserted in an implant bed. Each rabbit received two implants, one in the left femur and one in the right femur. The samples were histologically and histomorphometrically evaluated at 8 weeks. Results. A statistically significant difference (p = 0.000034) was present histologically in the percentages of bone-implant contact (BIC) between the test group (BIC = 69.25±4.49%.) and control group (BIC = 56.25 ± 4.8%) by one-way analysis of variance (ANOVA). Significance was set at p ≤ 0.05. Conclusions. The outcome of the present study indicates a novel approach to improving bone healing around titanium implants.

Use of fibrin glue sealant with polyglycolic acid sheets to prevent pancreatic fistula formation after laparoscopic-assisted gastrectomy

Surgery Today ◽  
2012 ◽  
Vol 43 (5) ◽  
pp. 527-533 ◽  
Author(s):  
Yuichiro Hiura ◽  
Shuji Takiguchi ◽  
Kazuyoshi Yamamoto ◽  
Yukinori Kurokawa ◽  
Makoto Yamasaki ◽  
...  
Keyword(s):  
Pancreatic Fistula ◽  
Fibrin Glue ◽  
Polyglycolic Acid ◽  
Fistula Formation ◽  
Fibrin Glue Sealant ◽  
Laparoscopic Assisted

Comparison of a PGA Sheet with a Commercial ePTFE Sheet as a Staple-Line Reinforcement in Lung Surgery

2007 ◽  
Vol 342-343 ◽  
pp. 849-852
Author(s):  
Keon Hyeon Jo ◽  
Seok Whan Moon ◽  
Young Du Kim ◽  
Young Jo Sa ◽  
Si Young Choi ◽  
...  
Keyword(s):  
Statistical Significance ◽  
Polyglycolic Acid ◽  
Lung Surgery ◽  
Resection Margins ◽  
Air Leakage ◽  
Staple Line Reinforcement ◽  
Group I ◽  
Significant Difference ◽  
Similar Threshold ◽  
Group Ii

To prevent prolonged air leakage after lung surgery, we developed a biodegradable polyglycolic acid (PGA) sheet and compared it with an expanded polytetrafluoethylene (ePTFE). Eighteen adult mongrel dogs were used in this experiment. The airway pressures at which air first leaked at the stapled resection margins were measured immediately after surgery in group I (N=5), 2 days after surgery in group II (N=5), and 7 days after surgery in group IIII (N=5), Based on the presence of SLR, there were 3 subgroups in each group: there was no SLR in subgroup a; ePTFE in subgroup b; PGA sheet in subgroup c. The histologic examination was performed 2 months after surgery (N=3). In group I, there was a significant difference in air leakage pressures (mm Hg) between no reinforcement and SLR. We observed the same results in group II and III with statistical significance. However, there was no significant difference between the reinforcement groups. The histologic findings demonstrated more severe adhesions and biodegradation in the dogs in which the PGA sheet was used. Our PGA sheet was considered a useful reinforcement material, because it had a similar threshold for air leakage with the ePTFE with excellent biodegradation.

Sign in / Sign up

Export Citation Format

Share Document