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Kang SI, Shin HH, Hyun DH, Yoon G, Park JS, Ryu JH. Double-layer adhesives for preventing anastomotic leakage and reducing post-surgical adhesion. Mater Today Bio 2023; 23:100806. [PMID: 37766901 PMCID: PMC10520874 DOI: 10.1016/j.mtbio.2023.100806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/06/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Preventing anastomotic leakage (AL) and postoperative adhesions after gastrointestinal surgery is crucial for ensuring a favorable surgical prognosis. However, AL prevention using tissue adhesives can unintentionally lead to undesirable adhesion formation, while anti-adhesive agents may interfere with wound healing and contribute to AL. In this study, we have developed a double-layer patch, consisting of an adhesive layer on one side, utilizing gallic acid-conjugated chitosan (CHI-G), and an anti-adhesive layer on the opposite side, employing crosslinked hyaluronic acid (cHA). These CHI-G/cHA double-layer adhesives significantly prevented AL by forming physical barriers of CHI-G and reduced post-surgical adhesion at the anastomosis sites by the anti-adhesive layers of cHA. The bursting pressure (161.1 ± 21.6 mmHg) of double-layer adhesives-applied rat intestine at postoperative day 21 was far higher than those of the control (129.4 ± 5.7 mmHg) and the commercial anti-adhesives-applied group (120.8 ± 5.2 mmHg). In addition, adhesion score of double-layer adhesives-applied rat intestine was 3.6 ± 0.3 at postoperative day 21, which was similar to that of the commercial anti-adhesives-applied group (3.6 ± 0.3) and lower than that of the control group (4.9 ± 0.5). These findings indicate that the double-layer patch (CHI-G/cHA) has the potential to effectively prevent both postoperative adhesions and anastomotic leakage, offering a promising solution for gastrointestinal surgery.
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Affiliation(s)
- Sung Il Kang
- Department of Surgery, College of Medicine, Yeungnam University, Daegu, 42415, South Korea
| | - Hyun Ho Shin
- Department of Chemical Engineering, Wonkwang University, Iksan, Jeonbuk, 54538, South Korea
| | - Da Han Hyun
- Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, 41404, South Korea
| | - Ghilsuk Yoon
- Department of Pathology, School of Medicine, Kyungpook National University, Daegu, 41566, South Korea
| | - Jun Seok Park
- Department of Surgery, School of Medicine, Kyungpook National University Hospital, Daegu, 41404, Republic of Korea
| | - Ji Hyun Ryu
- Department of Chemical Engineering, Wonkwang University, Iksan, Jeonbuk, 54538, South Korea
- Department of Carbon Convergence Engineering, Wonkwang University, Iksan, Jeonbuk, 54538, South Korea
- Smart Convergence Materials Analysis Center, Wonkwang University, Iksan, Jeonbuk, 54538, South Korea
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2
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Ebrahim Soltani Z, Elahi M, Tashak-Golroudbari H, Nazari H, Badripour A, Heirani-Tabasi A, Akbari Asbagh R, Dabbagh Ohadi MA, Shabani M, Sarzaeim M, Behboudi B, Keramati MR, Kazemeini A, Ahmadi Tafti SM. Evaluation of colonic anastomosis healing using hybrid nanosheets containing molybdenum disulfide (MOS2) scaffold of human placental amniotic membrane and polycaprolactone (PCL) in rat animal model. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:1911-1921. [PMID: 36859536 DOI: 10.1007/s00210-023-02438-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/20/2023] [Indexed: 03/03/2023]
Abstract
Anastomosis is a standard technique following different conditions such as obstruction, tumor, and trauma. Obstruction, adhesion, or anastomosis leakage can be some of its complications. To improve healing and prevent postoperative complications, we design a hybrid scaffold containing acellular human amniotic membranes and polycaprolactone-molybdenum disulfide nanosheets for colon anastomosis. The animal model of colocolonic anastomosis was performed on two groups of rats: control and scaffold. The hybrid scaffold was warped around the anastomosis site in the scaffold group. Samples from the anastomosis site were resected on the third and seventh postoperative days for histopathological and molecular assessments. Histopathologic score and burst pressure had shown significant improvement in the scaffold group. No mortality and anastomosis leakage was reported in the scaffold group. In addition, inflammatory markers were significantly decreased, while anti-inflammatory cytokines were increased in the scaffold group. The result indicates that our hybrid scaffold is a proper choice for colorectal anastomosis repair by declining postoperative complications and accelerating healing.
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Affiliation(s)
- Zahra Ebrahim Soltani
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran
| | - Mohammad Elahi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran
| | - Hasti Tashak-Golroudbari
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Hojjatollah Nazari
- School of Biomedical Engineering, University of Technology Sydney, New South Wales, 2007, Sydney, Australia
| | | | - Asieh Heirani-Tabasi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Akbari Asbagh
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Mohammad Amin Dabbagh Ohadi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Moojan Shabani
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojdeh Sarzaeim
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
- Sport Medicine Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Behnam Behboudi
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran
| | - Mohammad Reza Keramati
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran
| | - Alireza Kazemeini
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran
| | - Seyed Mohsen Ahmadi Tafti
- Colorectal Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Science, Tohid Square, Tehran, Iran.
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3
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Ashbell I, Agam N, Katzir A, Basov S, Platkov M, Avital I, Nisky I, Netz U. Laser tissue soldering of the gastrointestinal tract: A systematic review LTS of the gastrointestinal tract. Heliyon 2023; 9:e16018. [PMID: 37205994 PMCID: PMC10189270 DOI: 10.1016/j.heliyon.2023.e16018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/21/2023] Open
Abstract
Background Laser Tissue Soldering (LTS) is a promising tissue bonding technique in which a solder is applied between the tissues and then irradiated by laser, causing it to solidify and form links with the tissue. Methods A comprehensive systematic review summarizing the state of research of LTS in the gastrointestinal tract. Results Most studies were conducted on large animal tissues, using liquid proteinaceous solder, and irradiated by a continuous wave laser at 808 nm. LTS can provide better sealing and burst pressure than conventional methods. The application of LTS on top of or in addition to sutures showed an impressive increase in burst pressures. LTS may decrease the inflammatory and foreign body reaction caused by sutures. Conclusions LTS has strong potential to be applied in a clinical setting in leak prevention and in closure of gastrointestinal structures as an adjunct or additional anastomotic technology, decreasing leak rates, morbidity, and mortality.
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Affiliation(s)
- Ido Ashbell
- Goldman School of Medicine, Ben Gurion University, Beer-Sheva, Israel
| | - Nadav Agam
- Goldman School of Medicine, Ben Gurion University, Beer-Sheva, Israel
| | - Abraham Katzir
- School of Physics & Astronomy, Tel Aviv University, Tel Aviv, Israel
| | - Svetlana Basov
- Department of Biomedical Engineering, Tel Aviv University, Tel Aviv, Israel
| | - Max Platkov
- Nuclear Research Center Negev, Beer-Sheva, Israel
| | - Itzhak Avital
- Goldman School of Medicine, Ben Gurion University, Beer-Sheva, Israel
- Department of Surgery A, Soroka University Medical Center, Beer-Sheva, Israel
- Legacy-Heritage Oncology Center, Larry Norton Institute, Soroka University Medical Center, Beer-Sheva, Israel
| | - Ilana Nisky
- Department of Biomedical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Uri Netz
- Goldman School of Medicine, Ben Gurion University, Beer-Sheva, Israel
- Department of Surgery A, Soroka University Medical Center, Beer-Sheva, Israel
- Corresponding author. Department of Surgery A, Soroka University Medical Center, Beer-Sheva, Israel.
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4
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Maljaars LP, Bendaoud S, Kastelein AW, Guler Z, Hooijmans CR, Roovers JPWR. Application of amniotic membranes in reconstructive surgery of internal organs-A systematic review and meta-analysis. J Tissue Eng Regen Med 2022; 16:1069-1090. [PMID: 36333859 PMCID: PMC10099938 DOI: 10.1002/term.3357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 10/20/2022] [Indexed: 11/08/2022]
Abstract
Amniotic membrane (AM) has great potential as a scaffold for tissue regeneration in reconstructive surgery. To date, no systematic review of the literature has been performed for the applications of AM in wound closure of internal organs. Therefore, in this systematic review and meta-analysis, we summarize the literature on the safety and efficacy of AM for the closure of internal organs. A systematic search was performed in MEDLINE-PubMed database and OVID Embase to retrieve human and controlled animal studies on wound closure of internal organs. The Cochrane Risk of Bias tool for randomized clinical trials and the SYRCLE risk of bias tool for animal studies were used. Meta-analyses (MAs) were conducted for controlled animal studies to assess efficacy of closure, mortality and complications in subjects who underwent surgical wound closure in internal organs with the application of AM. Sixty references containing 26 human experiments and 36 animal experiments were included. The MAs of the controlled animal studies showed comparable results with regard to closure, mortality and complications, and suggested improved mechanical strength and lower inflammation scores after AM application when compared to standard surgical closure techniques. This systematic review and MAs demonstrate that the application of AM to promote wound healing of internal organs appears to be safe, efficacious, and feasible.
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Affiliation(s)
- Lennart P Maljaars
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Sohayla Bendaoud
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Arnoud W Kastelein
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Zeliha Guler
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Carlijn R Hooijmans
- Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jan-Paul W R Roovers
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
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5
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Rosales-Rojas R, Zuñiga-Bustos M, Salas-Sepúlveda F, Galaz-Araya C, Zamora RA, Poblete H. Self-Organization Dynamics of Collagen-like Peptides Crosslinking Is Driven by Rose-Bengal-Mediated Electrostatic Bridges. Pharmaceutics 2022; 14:pharmaceutics14061148. [PMID: 35745721 PMCID: PMC9231032 DOI: 10.3390/pharmaceutics14061148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022] Open
Abstract
The present work focuses on the computational study of the structural micro-organization of hydrogels based on collagen-like peptides (CLPs) in complex with Rose Bengal (RB). In previous studies, these hydrogels computationally and experimentally demonstrated that when RB was activated by green light, it could generate forms of stable crosslinked structures capable of regenerating biological tissues such as the skin and cornea. Here, we focus on the structural and atomic interactions of two collagen-like peptides (collagen-like peptide I (CLPI), and collagen-like peptide II, (CLPII)) in the presence and absence of RB, highlighting the acquired three-dimensional organization and going deep into the stabilization effect caused by the dye. Our results suggest that the dye could generate a ternary ground-state complex between collagen-like peptide fibers, specifically with positively charged amino acids (Lys in CLPI and Arg in CLPII), thus stabilizing ordered three-dimensional structures. The discoveries generated in this study provide the structural and atomic bases for the subsequent rational development of new synthetic peptides with improved characteristics for applications in the regeneration of biological tissues during photochemical tissue bonding therapies.
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Affiliation(s)
- Roberto Rosales-Rojas
- Center for Bioinformatics, Simulation and Modelling, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile; (R.R.-R.); (M.Z.-B.); (F.S.-S.); (C.G.-A.)
- Doctorado en Ciencias mención Modelado de Sistemas Químicos y Biológicos, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile
| | - Matías Zuñiga-Bustos
- Center for Bioinformatics, Simulation and Modelling, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile; (R.R.-R.); (M.Z.-B.); (F.S.-S.); (C.G.-A.)
| | - Francisca Salas-Sepúlveda
- Center for Bioinformatics, Simulation and Modelling, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile; (R.R.-R.); (M.Z.-B.); (F.S.-S.); (C.G.-A.)
| | - Constanza Galaz-Araya
- Center for Bioinformatics, Simulation and Modelling, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile; (R.R.-R.); (M.Z.-B.); (F.S.-S.); (C.G.-A.)
- Doctorado en Ciencias mención Modelado de Sistemas Químicos y Biológicos, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile
| | - Ricardo A. Zamora
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028 Barcelona, Spain
- Network Biomedical Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
- Correspondence: (R.A.Z.); (H.P.)
| | - Horacio Poblete
- Center for Bioinformatics, Simulation and Modelling, Facultad de Ingeniería, Universidad de Talca, Talca 3465548, Chile; (R.R.-R.); (M.Z.-B.); (F.S.-S.); (C.G.-A.)
- Correspondence: (R.A.Z.); (H.P.)
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6
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Scott BB, Wang Y, Wu RC, Randolph MA, Redmond RW. Light-activated photosealing with human amniotic membrane strengthens bowel anastomosis in a hypotensive, trauma-relevant swine model. Lasers Surg Med 2022; 54:407-417. [PMID: 34664720 DOI: 10.1002/lsm.23485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/27/2021] [Accepted: 10/04/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Gastrointestinal anastomotic leakage is a dreaded complication despite advancements in surgical technique. Photochemical tissue bonding (PTB) is a method of sealing tissue surfaces utilizing photoactive dye. We evaluated if crosslinked human amniotic membrane (xHAM) photosealed over the enteroenterostomy would augment anastomotic strength in a trauma-relevant swine hemorrhagic shock model. METHODS Yorkshire swine (40-45 kg, n = 14) underwent midline laparotomy and sharp transection of the small intestine 120 cm proximal to the ileocecal fold. Immediately following intestinal transection, a controlled arterial bleed was performed to reach hemorrhagic shock. Intestinal repair was performed after 60 minutes and autotransfusion of the withdrawn blood was performed for resuscitation. Animals were randomized to small intestinal anastomosis by one of the following methods (seven per group): suture repair (SR), or SR with PTB augmentation. Animals were euthanized at postoperative Day 28 and burst pressure (BP) strength testing was performed on all excised specimens. RESULTS Mean BP for SR, PTB, and native tissue groups were 229 ± 40, 282 ± 21, and 282 ± 47 mmHg, respectively, with the SR group statistically significantly different on analysis of variance (p = 0.02). Post-hoc Tukey all-pairs comparison demonstrated a statistically significant difference in burst pressure strength between the SR only and the PTB group (p = 0.04). All specimens in SR group ruptured at the anastomosis upon burst pressure testing, while all specimens in the PTB group ruptured at least 2.5 cm from the anastomosis. CONCLUSION Photosealing with xHAM significantly augments the strength of small intestinal anastomosis performed in a trauma porcine model.
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Affiliation(s)
- Benjamin B Scott
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
- Plastic Surgery Research Laboratory, Department of Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Ying Wang
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Ruby C Wu
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Mark A Randolph
- Plastic Surgery Research Laboratory, Department of Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Robert W Redmond
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
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7
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Kishan A, Buie T, Whitfield-Cargile C, Jose A, Bryan L, Cohen N, Cosgriff-Hernandez E. In vivo performance of a bilayer wrap to prevent abdominal adhesions. Acta Biomater 2020; 115:116-126. [PMID: 32846239 DOI: 10.1016/j.actbio.2020.08.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 12/27/2022]
Abstract
There is a high prevalence of intra-abdominal adhesions following bowel resection, which can result in chronic pain, bowel obstruction, and morbidity. Although commercial adhesion barriers have been widely utilized for colonic resections, these barriers do not prevent anastomotic leakage resulting from reduced healing of the anastomosis, which can result in long-term health problems. To address this limitation, we have developed an adhesive bilayer wrap with selective bioactivity to simultaneously prevent intra-abdominal adhesion formation and promote anastomotic healing. Reactive electrospinning was used to generate a crosslinked gelatin mesh to serve as a cell-instructive substrate to improve anastomotic healing. A coating of poly(ethylene glycol) (PEG) foam was applied to the bioactive mesh to generate an antifouling layer and prevent intra-abdominal adhesions. After in vitro confirmation of selective bioactivity, the composite wrap was compared after 2 weeks to a commercial product (InterceedⓇ) in an in vivo rat colonic abrasion model for prevention of intra-abdominal adhesions. The composite bilayer wrap was able to prevent intra-abdominal adhesions when clinical placement was maintained. The composite bilayer wrap was further modified to include tissue adhesive properties for improved efficacy. Preliminary studies indicated that the adhesive composite bilayer wrap maintained a maximum shear strength comparable to InterceedⓇ and greater than fibrin glue. Overall, this work resulted in an initial proof-of-concept device that was shown to effectively prevent intra-abdominal adhesion formation in vivo. The composite bilayer wrap studied here could lead to an improved technology for improved healing of intestinal anastomoses.
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Affiliation(s)
- Alysha Kishan
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843 United States.
| | - Taneidra Buie
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712 United States.
| | - Canaan Whitfield-Cargile
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
| | - Anupriya Jose
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712 United States.
| | - Laura Bryan
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
| | - Noah Cohen
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
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8
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Redmond RW, Kochevar IE. Medical Applications of Rose Bengal‐ and Riboflavin‐Photosensitized Protein Crosslinking. Photochem Photobiol 2019; 95:1097-1115. [DOI: 10.1111/php.13126] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 03/27/2019] [Indexed: 01/20/2023]
Affiliation(s)
- Robert W. Redmond
- Wellman Center for Photomedicine Massachusetts General Hospital Harvard Medical School Boston MA
| | - Irene E. Kochevar
- Wellman Center for Photomedicine Massachusetts General Hospital Harvard Medical School Boston MA
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9
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Trejo HS, Nemeth ZH, Hakakian D. Preventing Leaks with a Patch: The Application of Amniotic Membrane Patches in an Animal Model in Sleeve Gastrectomies. J INVEST SURG 2018; 33:106-107. [PMID: 30380346 DOI: 10.1080/08941939.2018.1486925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | - Zoltan H Nemeth
- Department of Surgery, Morristown Medical Center, Morristown, NJ, USA.,Columbia University Medical Center, New York, NY, USA
| | - Daniel Hakakian
- Department of Surgery, Morristown Medical Center, Morristown, NJ, USA
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10
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Orman S, Yol S, Uzun H, Ceyran AB, Eyüboğlu F. Effect of Acellular Amniotic Membrane Matrix Patch on Healing of Cut Surface After Sleeve Gastrectomy in Rats. J INVEST SURG 2018; 33:97-105. [PMID: 29842839 DOI: 10.1080/08941939.2018.1473902] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Background: The aim of this study was to evaluate the effect of acellular amniotic membrane matrix patch on healing cut surface after sleeve gastrectomy in rats. Methods: Thirty male Wistar albino rats were divided into three groups: control (n = 10), Experiment-1 (n = 10), and Experiment-2 (n = 10) groups. Control group rats underwent only sleeve gastrectomy with primary gastrorrhaphy. Experiment-1 group rats underwent sleeve gastrectomy, primary gastrorrhaphy and covered with acellular amniotic membrane matrix patch. Experiment-2 group rats underwent sleeve gastrectomy, incomplete primary gastrorrhaphy and covered with acellular amniotic membrane matrix patch. All rats were sacrificed on the fifth postoperative day. Macroscopic findings and histopathologic alterations were evaluated and compared. Results: There was a statistically significant difference between levels of PMNs, granulation formation and vascularization, distributions of edema, type of mucosal epithelium, and fibroblastic proliferation according to groups (p < 0.05). The PMNs level in the Experiment-1 group was significantly lower than the control group (p < 0.05). In experiment groups, the level of granulation tissue, vascularization and fibroblastic proliferation was significantly higher than the control group (p < 0.05). The levels of edema and type of mucosal epithelium of the experiment groups were significantly lower than the control group (p < 0.05). Conclusion: Covering sleeve gastrectomy cut surface area with acellular amniotic membrane matrix results better healing. Moreover, acellular amniotic membrane matrix provides safe healing even in incomplete sutured area.
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Affiliation(s)
- Süleyman Orman
- Department of Gastrointestinal Surgery, Istanbul Medeniyet University Göztepe Training and Research Hospital, Istanbul, Turkey
| | - Sinan Yol
- Department of Gastrointestinal Surgery, VM Medical Park Pendik Hospital, Istanbul, Turkey
| | - Hüseyin Uzun
- Department of General Surgery, Istanbul NB Kadıköy Hospital, Istanbul, Turkey
| | - Ayşe Bahar Ceyran
- Department of Pathology, Istanbul Medeniyet University Göztepe Training and Research Hospital, Istanbul, Turkey
| | - Fatma Eyüboğlu
- Acıbadem Labcell, Istanbul Acıbadem University, Istanbul, Turkey
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11
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Wang T, Zhu L, Zhu J, Peng Y, Shen N, Yu Y, Yao M. Subacute effects of rose Bengal/Green light cross linking on rabbit thin corneal stability and safety. Lasers Surg Med 2017; 50:324-332. [PMID: 29095506 DOI: 10.1002/lsm.22762] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Ti Wang
- Departmentof Ophthalmology; The 85th Hospital of PLA; Shanghai 200052 China
| | - Lu Zhu
- Department of Ophthalmology; Huadong Hospital Affiliated to Fudan University; Shanghai 200040 China
| | - Jingyin Zhu
- Department of Ophthalmology; Huadong Hospital Affiliated to Fudan University; Shanghai 200040 China
| | - Yinbo Peng
- Department of Plastic and Reconstructive Surgery, Shanghai 9th Hospital; JiaoTong University School of Medicine; Shanghai 201900 China
| | - Nianci Shen
- Department of Ophthalmology; Huadong Hospital Affiliated to Fudan University; Shanghai 200040 China
| | - Yan Yu
- RA consulting, 104 Aspen Court; Chalfont 18914 Pennsylvania
| | - Min Yao
- Department of Plastic and Reconstructive Surgery, Shanghai 9th Hospital; JiaoTong University School of Medicine; Shanghai 201900 China
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12
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Alarcon EI, Poblete H, Roh H, Couture JF, Comer J, Kochevar IE. Rose Bengal Binding to Collagen and Tissue Photobonding. ACS OMEGA 2017; 2:6646-6657. [PMID: 31457260 PMCID: PMC6644953 DOI: 10.1021/acsomega.7b00675] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 09/11/2017] [Indexed: 05/19/2023]
Abstract
We investigated two critical aspects of rose Bengal (RB) photosensitized protein cross-linking that may underlie recently developed medical applications. Our studies focused on the binding of RB to collagen by physical interaction and the effect of this binding and certain amino acids on RB photochemistry. Molecular dynamics simulations and free-energy calculation techniques, complemented with isothermal titration calorimetry, provided insight into the binding between RB and a collagen-like peptide (CLP) at the atomic level. Electrostatic interactions dominated, which is consistent with the finding that RB bound equally well to triple helical and single chain collagen. The binding free energy ranged from -5.7 to -3 kcal/mol and was strongest near the positively charged amino groups at the N-terminus and on lysine side chains. At high RB concentration, a maximum of 16 ± 3 bound dye molecules per peptide was found, which is consistent with spectroscopic evidence for aggregated RB bound to collagen or the CLP. Within a tissue-mimetic collagen matrix, RB photobleached rapidly, probably due to electron transfer to certain protein amino acids, as was demonstrated in solutions of free RB and arginine. In the presence of arginine and low oxygen concentrations, a product absorbing at 510 nm formed, presumably due to dehalogenation after electron transfer to RB. In the collagen matrix without arginine, the dye generated singlet oxygen as well as the 510 nm product. These results provide the first evidence of the effects of a tissue-like environment on the photochemical mechanisms of rose Bengal.
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Affiliation(s)
- Emilio I. Alarcon
- Division
of Cardiac Surgery, University of Ottawa
Heart Institute, 40 Ruskin
Street, K1Y 4W7 Ottawa, ON, Canada
- Department
of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, K1H 8M5 Ottawa, ON, Canada
| | - Horacio Poblete
- Center
for Bioinformatics and Molecular Simulation, Universidad de Talca, 2 Norte 685, Casilla 721, Talca 3460000, Chile
- Institute
of Computational Comparative Medicine, Nanotechnology Innovation Center
of Kansas State, and Department of Anatomy and Physiology, Kansas State University, Manhattan, Kansas 66503, United States
| | - HeeGwang Roh
- Wellman
Center for Photomedicine, Massachusetts
General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts 02114, United States
| | - Jean-François Couture
- Department
of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, K1H 8M5 Ottawa, ON, Canada
| | - Jeffrey Comer
- Institute
of Computational Comparative Medicine, Nanotechnology Innovation Center
of Kansas State, and Department of Anatomy and Physiology, Kansas State University, Manhattan, Kansas 66503, United States
| | - Irene E. Kochevar
- Wellman
Center for Photomedicine, Massachusetts
General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts 02114, United States
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13
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An intraluminal stent facilitates light-activated vascular anastomosis. J Trauma Acute Care Surg 2017; 83:S43-S49. [DOI: 10.1097/ta.0000000000001487] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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14
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Barski D, Gerullis H, Ecke T, Varga G, Boros M, Pintelon I, Timmermans JP, Otto T. Human Amniotic Membrane Is Not Suitable for the Grafting of Colon Lesions and Prevention of Adhesions in a Xenograft Rat Model. Surg Innov 2017; 24:313-320. [PMID: 28548553 DOI: 10.1177/1553350617709828] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION New biological materials are needed for specific applications in reconstructive bowel surgery and for the prevention of adhesion formation. Amniotic membranes (AMs) are assumed to have a number of unique characteristics that enhance the ingrowth of the surrounding tissue. The aim of the present study was to provide proof of these qualities in a xenograft model. MATERIALS AND METHODS A multilayer human AM (HAM) was applied to repair defined colon wall defects in Sprague-Dawley rats (n = 18). The control group was repaired with a suture (n = 6). The animals were killed humanely at 7, 21, and 42 days after implantation. Adhesions and perioperative complications were examined. Histological and immunohistological analyses were performed to assess a number of parameters, including degradation of the HAM, inflammation, graft rejection, and smooth muscle ingrowth. RESULTS Two rats in the treated group died. No other severe complications were observed. Adhesion formation was more prominently visible in the HAM group ( P < .05). The initially increased inflammation in the HAM group reduced over time but remained significantly increased ( P < .05). The HAM degraded over time and a subtle transient glomerulitis could be observed. CONCLUSION HAMs were found to increase adhesion formation and were not suitable for bowel augmentation in the presented xenograft model.
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