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Lee AY, Cho JY. Clinical diagnostic advances in intestinal anastomotic techniques: Hand suturing, stapling, and compression devices. World J Gastrointest Surg 2024; 16:1231-1234. [PMID: 38817301 PMCID: PMC11135308 DOI: 10.4240/wjgs.v16.i5.1231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/05/2024] [Accepted: 04/28/2024] [Indexed: 05/23/2024] Open
Abstract
The development of intestinal anastomosis techniques, including hand suturing, stapling, and compression anastomoses, has been a significant advancement in surgical practice. These methods aim to prevent leakage and minimize tissue fibrosis, which can lead to stricture formation. The healing process involves various phases: hemostasis and inflammation, proliferation, and remodeling. Mechanical staplers and sutures can cause inflammation and fibrosis due to the release of profibrotic chemokines. Compression anastomosis devices, including those made of nickel-titanium alloy, offer a minimally invasive option for various surgical challenges and have shown safety and efficacy. However, despite advancements, anastomotic techniques are evaluated based on leakage risk, with complications being a primary concern. Newer devices like Magnamosis use magnetic rings for compression anastomosis, demonstrating greater strength and patency compared to stapling. Magnetic technology is also being explored for other medical treatments. While there are promising results, particularly in animal models, the real-world application in humans is limited, and further research is needed to assess their safety and practicality.
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Affiliation(s)
- Ah Young Lee
- Division of Gastroenterology, Department of Internal Medicine, Cha Gangnam Medical Center, Cha University College of Medicine, Seoul 06135, South Korea
| | - Joo Young Cho
- Division of Gastroenterology, Department of Internal Medicine, Cha Gangnam Medical Center, Cha University College of Medicine, Seoul 06135, South Korea
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Steger J, Jell A, Ficht S, Ostler D, Eblenkamp M, Mela P, Wilhelm D. Systematic Review and Meta-Analysis on Colorectal Anastomotic Techniques. Ther Clin Risk Manag 2022; 18:523-539. [PMID: 35548666 PMCID: PMC9081039 DOI: 10.2147/tcrm.s335102] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 03/18/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Anastomosis creation after resective gastrointestinal surgery is a crucial task. The present review examines the techniques and implants currently available for anastomosis creation and analyses to which extent they already address our clinical needs, with a special focus on their potential to enable further trauma minimization in visceral surgery. Methods A multi-database research was conducted in MEDLINE, Scopus, and Cochrane Library. Comparative controlled and uncontrolled clinical trials dealing with anastomosis creation techniques in the intestinal tract in both German and English were included and statistically significant differences in postoperative complication incidences were assessed using the RevMan5.4 Review Manager (Cochrane Collaboration, Oxford, UK). Results All methods and implant types were analyzed and compared with respect to four dimensions, assessing the techniques’ current performances and further potentials for surgical trauma reduction. Postoperative outcome measures, such as leakage, stenosis, reoperation and mortality rates, as well as the tendency to cause bleeding, wound infections, abscesses, anastomotic hemorrhages, pulmonary embolisms, and fistulas were assessed, revealing the only statistically significant superiority of hand-suture over stapling anastomoses with respect to the occurrence of obstructions. Conclusion Based on the overall complication rates, it is concluded that none of the anastomosis systems addresses the demands of operative trauma minimization sufficiently yet. Major problems are furthermore either low standardization potentials due to dependence on the surgeons’ levels of experience, high force application requirements for the actual anastomosis creation, or large and rigid device designs interfering with flexibility demands and size restrictions of the body’s natural access routes. There is still a need for innovative technologies, especially with regard to enabling incisionless interventions.
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Affiliation(s)
- Jana Steger
- Technical University of Munich, TUM School of Medicine, Chair of Research Group Minimally Invasive Interdisciplinary Therapeutical Intervention (MITI), Munich, Germany
- Correspondence: Jana Steger, Tel +49 89 4140-5898, Email
| | - Alissa Jell
- Technical University of Munich, TUM School of Medicine, Chair of Research Group Minimally Invasive Interdisciplinary Therapeutical Intervention (MITI), Munich, Germany
- Technical University of Munich, TUM School of Medicine, Clinic and Polyclinic for Surgery, Munich, Germany
| | - Stefanie Ficht
- Technical University of Munich, TUM School of Engineering and Design, Department of Mechanical Engineering and Munich Institute of Biomedical Engineering, Chair of Medical Materials and Implants, Garching, Germany
| | - Daniel Ostler
- Technical University of Munich, TUM School of Medicine, Chair of Research Group Minimally Invasive Interdisciplinary Therapeutical Intervention (MITI), Munich, Germany
| | - Markus Eblenkamp
- Technical University of Munich, TUM School of Engineering and Design, Department of Mechanical Engineering and Munich Institute of Biomedical Engineering, Chair of Medical Materials and Implants, Garching, Germany
| | - Petra Mela
- Technical University of Munich, TUM School of Engineering and Design, Department of Mechanical Engineering and Munich Institute of Biomedical Engineering, Chair of Medical Materials and Implants, Garching, Germany
| | - Dirk Wilhelm
- Technical University of Munich, TUM School of Medicine, Chair of Research Group Minimally Invasive Interdisciplinary Therapeutical Intervention (MITI), Munich, Germany
- Technical University of Munich, TUM School of Medicine, Clinic and Polyclinic for Surgery, Munich, Germany
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Huang Q, Liu L, Wu H, Li K, Li N, Liu Y. The design, development, and in vivo performance of intestinal anastomosis ring fabricated by magnesium‑zinc‑strontium alloy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110158. [DOI: 10.1016/j.msec.2019.110158] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 09/02/2019] [Accepted: 09/02/2019] [Indexed: 11/17/2022]
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Investigating the effects of various suturing parameters on the leakage from the intestinal anastomosis site: finite element analyses. Biocybern Biomed Eng 2019. [DOI: 10.1016/j.bbe.2019.08.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Chen M, Cao J, Huang D, Zhang B, Pan L, Zhang Z, Wang Z, Ye Y, Xiu D, Li D, Cai X. End-to-end intestinal anastomosis using a novel biodegradable stent for laparoscopic colonic surgery: a multicenter study. Surg Today 2019; 49:1003-1012. [PMID: 31256255 DOI: 10.1007/s00595-019-01841-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 06/02/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE Our animal studies have demonstrated the safety and feasibility of end-to-end intestinal anastomosis using a stent for laparoscopic colonic surgery. Therefore, we designed a non-inferiority trial to investigate the outcomes of stent anastomosis (SA) vs. those of conventional hand-sewn anastomosis (CA). METHODS A multicenter randomized controlled trial was conducted between December, 2016 and April, 2018. The primary outcome was the healing condition of the anastomoses, evaluated by endoscopy 6 months postoperatively. The secondary outcomes were the anastomotic completion time, anastomotic leak, intestinal obstruction, peritoneal effusion, and bleeding. Quality of life (QOL) was evaluated by questionnaires. RESULTS The subjects of this study were 60 patients, randomly divided into a SA group (n = 30) and a CA group (n = 30). There were no differences in anastomotic healing conditions (P = 1.00). The stent procedure was associated with a significantly shorter anastomosis time than the hand-sewn anastomosis (13.517 ± 4.281 vs. 20.333 ± 2.998 min, respectively; P < 0.001). There were no significant differences in anastomotic leakage, intestinal obstruction, peritoneal effusion, or bleeding between the groups. Questionnaires revealed almost no discrepancy between baseline QOL scores and those assessed 2, 4, 8, 12, and 24 weeks postoperatively in either group. CONCLUSIONS Intestinal anastomosis with a stent is a non-inferior strategy for laparoscopic colonic surgery, which requires less time for the anastomosis.
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Affiliation(s)
- Mingyu Chen
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China
- Key Laboratory of Endoscopic Technique Research of Zhejiang Province, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Jiasheng Cao
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China
| | - Diyu Huang
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China
| | - Bin Zhang
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China
| | - Long Pan
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China
| | - Zhongtao Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, 100032, China
| | - Zhenjun Wang
- Department of Anorectal Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yingjiang Ye
- Department of Gastrointestinal Surgery, Peking University People's Hospital, Beijing, 100032, China
| | - Dianrong Xiu
- Department of General Surgery, Peking University Third Hospital, Beijing, 100089, China
| | - Dechuan Li
- Department of Colorectal Surgery, Zhejiang Cancer Hospital, Hangzhou, 310011, China
| | - Xiujun Cai
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, No.3 East Qingchun Road, Hangzhou, 310016, China.
- Key Laboratory of Endoscopic Technique Research of Zhejiang Province, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China.
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Bobkiewicz A, Studniarek A, Krokowicz L, Szmyt K, Borejsza-Wysocki M, Szmeja J, Marciniak R, Drews M, Banasiewicz T. Gastrointestinal tract anastomoses with the biofragmentable anastomosis ring: is it still a valid technique for bowel anastomosis? Analysis of 203 cases and review of the literature. Int J Colorectal Dis 2017; 32:107-111. [PMID: 27695974 PMCID: PMC5219882 DOI: 10.1007/s00384-016-2661-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/19/2016] [Indexed: 02/04/2023]
Abstract
PURPOSE Biofragmentable anastomosis ring (BAR) is an alternative to manual and stapled anastomoses performed within the upper and lower gastrointestinal (GI) tract. The aim of this study was to evaluate the effectiveness of BAR utility for bowel anastomoses based on our own material. METHODS A retrospective analysis was performed to a total of 203 patients who underwent bowel surgery with the use of BAR anastomosis within upper and lower gastrointestinal tract between 2004 and 2014. Data for the analysis was collected based on medical records, treatment protocols, and the results of histological examinations. RESULTS The study group consisted of 86 women and 117 men. The most common underlying pathology was a malignant disease (n = 165). Biofragmentable anastomosis ring (BAR) size 31 was the most commonly used (n = 87). A total of 169 colocolic or colorectal anastomoses and 28 ileocolic and 8 enteroenteric anastomoses were performed. The mortality rate was 0.5 % (n = 1) whereas re-surgery rate within 30 days was 8.4 % (n = 17). Twenty-eight patients developed perioperative complications with surgical site infection as the most common one (n = 11). Eight patients developed specific complications associated with BAR including an anastomotic leak (n = 6) and intestinal obstruction (n = 2). The mean time of hospital stay after surgery was 12.7 days. CONCLUSIONS The use of BAR for the GI tract anastomoses is simple and rapid method and it is characterized with an acceptable number of perioperative mortality and complication rates. Based on our experience, we recommend the use of BAR anastomosis in different types of intestinal anastomosis in varying clinical scenarios.
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Affiliation(s)
- Adam Bobkiewicz
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland.
| | - Adam Studniarek
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Lukasz Krokowicz
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Krzysztof Szmyt
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Maciej Borejsza-Wysocki
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Jacek Szmeja
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Ryszard Marciniak
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Michal Drews
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Tomasz Banasiewicz
- Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
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Compression versus hand-sewn and stapled anastomosis in colorectal surgery: a systematic review and meta-analysis of randomized controlled trials. Tech Coloproctol 2016; 20:667-76. [PMID: 27554096 DOI: 10.1007/s10151-016-1521-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 07/04/2016] [Indexed: 12/17/2022]
Abstract
Anastomotic leaks are a feared complication of colorectal resections and novel techniques that have the potential to decrease them are still sought. This study aimed to compare the anastomotic leak rates in patients undergoing compression anastomoses versus hand-sewn or stapled anastomoses. Randomized controlled trials (RCTs) comparing outcomes of compression versus conventional (hand-sewn and stapled) colorectal anastomosis were collected from MEDLINE, Embase and the Cochrane Library. The quality of the RCTs and the potential risk of bias were assessed. Pooled odds ratios (OR) were calculated for categorical outcomes and weighted mean differences for continuous data. Ten RCTs were included, comprising 1969 patients (752 sutured, 225 stapled, and 992 compression anastomoses). Most used the biofragmentable anastomotic ring. There was no significant difference between the two groups in terms of anastomotic leak rates (OR 0.80, 95 % confidence interval (CI) 0.47, 1.37; p = 0.42), stricture (OR 0.54: 95 % CI 0.18, 1.64; p = 0.28) or mortality (OR 0.70; 95 % CI 0.39, 1.26; p = 0.24). Compression anastomosis was associated with an earlier return of bowel function: 1.02 (95 % CI 1.37, 0.66) days earlier (p < 0.001) and a shorter postoperative stay; 1.13 (95 % CI 1.52, 0.74) days shorter (p < 0.001), but significant heterogeneity among studies was observed. There was an increased risk of postoperative bowel obstruction in the compression group (OR 1.87; 95 % CI 1.07, 3.26; p = 0.03). There was no significant difference in wound-related and general complications, or length of surgery. Compression devices do not appear to provide an advantage over conventional techniques in fashioning colorectal anastomoses and are associated with an increased risk of bowel obstruction.
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KHOORJESTAN SANAZMOSAFER, ROUHI GHOLAMREZA, TOOLABI KARAMOLLAH. EXPERIMENTAL INVESTIGATIONS ON INTESTINAL ANASTOMOSIS — A COMPARISON BETWEEN AUTOMATIC AND HAND SUTURING TECHNIQUES. J MECH MED BIOL 2016. [DOI: 10.1142/s0219519416500561] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this research, intestinal anastomosis was compared in hand and automatic suturing. This work is based on two different experiments: The first one is the tensile test with the aim of finding the maximum breaking strength with the elongation rate of 5[Formula: see text]mm/min; and the second one is the fatigue test with a frequency of 0.2[Formula: see text]Hz and the amplitude of 16, 24 and 32[Formula: see text]mm of stretch in each phase to discover the total number of cycles to failure. For this purpose, 42 fresh bovine intestines were used; 21 specimens for the tensile and 21 for the fatigue test. These two tests were compared by two hand sewing techniques: simple continuous and ford interlocking stitches, and one automatic technique, i.e., the lock stitches. Seven samples were examined for each particular technique. The results of the tensile test indicated that the breaking strength of automatic sutured specimens is significantly greater than those of hand sutured specimens ([Formula: see text]). That might be due to the regularity, as the suturing lines by machines are more regular than suturing by hand. In addition, results showed that automatic sutured specimens failed in greater number of cycles than hand sutured specimens in the fatigue test ([Formula: see text]).
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Affiliation(s)
| | - GHOLAMREZA ROUHI
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - KARAMOLLAH TOOLABI
- Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Compression anastomotic ring-locking procedure (CARP) is a safe and effective method for intestinal anastomoses following left-sided colonic resection. Int J Colorectal Dis 2015; 30:969-75. [PMID: 25989929 DOI: 10.1007/s00384-015-2257-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/12/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND Compression anastomotic ring-locking procedure (CARP) is a novel procedure for creating colonic anastomoses. The surgical procedure allows perioperative quantification of the compression pressure between the intestinal ends within the anastomosis and postoperative monitoring of the anastomotic integrity. We have recently shown that CARP is a safe and effective method for colonic anastomoses in pigs, and the purpose of the present study was to evaluate CARP for colonic anastomoses in humans. MATERIALS AND METHODS This is a prospective study on 25 patients undergoing elective left-sided colonic resection. Time for evacuation of the anastomotic rings, perioperative compression pressure, and adverse effects were recorded. Postoperative blood samples were collected daily, and flexible sigmoidoscopy was performed 8-12 weeks after surgery to examine the anastomoses. RESULTS Fourteen out of 25 patients underwent CARP. CARP was not used in 11 patients due to advanced tumor disease (two cases) and size restrictions (nine cases). No case of anastomotic leakage, bowel obstruction, or stenosis formation was observed. No device-related perioperative adverse events were noted. The surgical device evacuated spontaneously in all patients by the natural route after a median of 10 days. Perioperative compression pressure ranged between 85 and 280 mBar (median 130 mBar). Flexible sigmoidoscopy revealed smooth anastomoses without signs of pathological inflammation or stenosis in all cases. CONCLUSION Our results indicate that the novel suture-less CARP is a safe and effective method for creating colonic anastomoses. Further studies are warranted in larger patient populations to compare CARP head-on-head with stapled and/or hand-sewn colonic anastomoses.
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Vilhjalmsson D, Olofsson P, Syk I, Thorlacius H, Grönberg A. The compression anastomotic ring-locking procedure: a novel technique for creating a sutureless colonic anastomosis. Eur Surg Res 2014; 54:139-47. [PMID: 25531546 DOI: 10.1159/000368354] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 09/15/2014] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIM Compression anastomoses might represent an improvement over traditional hand-sewn or stapled techniques. Herein, we describe a novel concept of sutureless colonic anastomosis named compression anastomotic ring-locking procedure (CARP). MATERIALS AND METHODS The surgical device consists of two anastomotic rings and their associated helping tools, facilitating the placement of the rings into the intestinal ends. Furthermore, four catheters are connected to the surgical device, allowing the evaluation of the anastomosis during and after surgery. A total of 31 pigs underwent a low colocolic anastomosis using the anastomotic rings. The compression pressure was measured perioperatively and up to 96 h after surgery. Anastomotic integrity and morphology were analyzed by use of radiology and histology, respectively. A long-term follow-up was conducted in a subgroup of pigs up to 108 days after surgery when the bursting pressure and stricture formation were examined. RESULTS All animals recovered uneventfully, and macroscopic examination revealed intact anastomoses without signs of pathological inflammation or adhesions. The perioperative compression pressure was inversely proportional to the gap size between the anastomotic rings. For example, an anastomotic gap of 1.5 mm created a colonic anastomosis with a perioperative compression pressure of 91 mbar, which remained constant for up to 48 h and resulted in a markedly increased compression pressure. Contrast infusion via the catheters effectively visualized the anastomoses, and no leakage was detected within the study. The surgical device was spontaneously evacuated from the intestines within 6 days after surgery. Histology showed collagen bridging of the anastomoses already 72 h after surgery. Long-term follow-up (54-108 days) revealed no stricture formation in the anastomoses, and the bursting pressure ranged from 120 to 235 mbar. The majority of bursts (10/12) occurred distant from the anastomoses. CONCLUSION We conclude that the surgical device associated to CARP is safe and efficient for creating colonic anastomoses. Further studies in patients undergoing colorectal surgery are warranted.
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Affiliation(s)
- Dadi Vilhjalmsson
- Section of Surgery, Department of Clinical Sciences, Lund University, Malmö, Sweden
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Lambe T, Ríordáin MGÓ, Cahill RA, Cantillon-Murphy P. Magnetic compression in gastrointestinal and bilioenteric anastomosis: how much force? Surg Innov 2013; 21:65-73. [PMID: 23592733 DOI: 10.1177/1553350613484824] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AIM The concept of compression alimentary anastomosis is well established. Recently, magnetic axial alignment pressures have been encompassed within such device constructs. We quantify the magnetic compression force and pressure required to successfully achieve gastrointestinal and bilioenteric anastomosis by in-depth interrogation of the reported literature. METHODS Reports of successful deployment and proof of anastomotic patency on survival were scrutinized to quantify the necessary dimensions and strengths of magnetic devices in (a) gastroenteral anastomosis in live porcine models and (b) bilioenteric anastomosis in the clinical setting. Using a calculatory tool developed for this work (magnetic force determination algorithm, MAGDA), ideal magnetic force and compression pressure were quantified from successful reports with regard to their variance by intermagnet separation. RESULTS Optimized ranges for both compression force and pressure were determined for successful porcine gastroenteral and clinical bilioenteric anastomoses. For gastroenteral anastomoses (porcine investigations), an optimized compression force between 2.55 and 3.57 kg at 2-mm intermagnet separation is recommended. The associated compression pressure should not exceed 60 N/cm(2). Successful bilioenteric anastomoses is best clinically achieved with intermagnet compression of 18 to 31 g and associated pressures between 1 and 3.5 N/mm(2) (at 2-mm intermagnet separation). CONCLUSION The creation of magnetic compression anastomoses using permanent magnets demonstrates a remarkable resilience to variations in magnetic force and pressure exertion. However, inappropriate selection of compression characteristics and magnet dimensions may incur difficulties. Recommendations of this work and the availability of the free online tool (http://magda.ucc.ie/) may facilitate a factor of robustness in the design and refinement of future devices.
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Marano L, Braccio B, Schettino M, Izzo G, Cosenza A, Grassia M, Porfidia R, Reda G, Petrillo M, Esposito G, Di Martino N. Sutureless jejuno-jejunal anastomosis in gastric cancer patients: a comparison with handsewn procedure in a single institute. BMC Surg 2012; 12 Suppl 1:S27. [PMID: 23173807 PMCID: PMC3499244 DOI: 10.1186/1471-2482-12-s1-s27] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The biofragmentable anastomotic ring has been used to this day for various types of anastomosis in the gastrointestinal tract, but it has not yet achieved widespread acceptance among surgeons. The purpose of this retrospective study is to compare surgical outcomes of sutureless with suture method of Roux-and-Y jejunojejunostomy in patients with gastric cancer. METHODS Two groups of patients were obtained based on anastomosis technique (sutureless group versus hand sewn group): perioperative outcomes were recorded for every patient. RESULTS The mean time spent to complete a sutureless anastomosis was 11 ± 4 min, whereas the time spent to perform hand sewn anastomosis was 23 ± 7 min. Estimated intraoperative blood loss was 178 ± 32 ml in the sutureless group and 182 ± 23 ml in the suture-method group with no significant differences. No complications were registered related to enteroanastomosis. Intraoperative mortality was none for both groups. CONCLUSIONS The Biofragmentable Anastomotic Ring offers a safe and time-saving method for the jejuno-jejunal anastomosis in gastric cancer surgery, and for this purpose the ring has been approved as a standard method in our clinic. Nevertheless currently there are few studies on upper gastrointestinal sutureless anastomoses and this could be the reason for the low uptake of this device.
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Affiliation(s)
- Luigi Marano
- Institution VIII General and Gastrointestinal Surgery, Chief Prof N Di Martino, School of Medicine, Second University of Naples, Piazza Miraglia 2, 80138 Naples, Italy.
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Zbar AP, Nir Y, Weizman A, Rabau M, Senagore A. Compression anastomoses in colorectal surgery: a review. Tech Coloproctol 2012; 16:187-99. [PMID: 22534832 DOI: 10.1007/s10151-012-0825-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Accepted: 02/28/2012] [Indexed: 12/15/2022]
Abstract
The main serious risks of anastomotic construction in the colon and rectum include dehiscence and stricture formation. There is a resurgence of interest in sutureless anastomoses formed by compression elements since the introduction of shape memory alloy (SMA) systems, which evoke minimal early inflammatory response whilst maintaining anastomotic integrity. Currently, the most commonly used SMA is the nickel-titanium (NiTi) alloy that is highly biocompatible, returning to its pre-deformed stable (austenite) shape under different mechanical and thermal loads for use in humans. Pre-clinical data for shape memory alloy systems in colorectal anastomoses are limited, but it appears to be safe in porcine and canine models with limited leakage and reduced stricture formation. There does not appear to be any difference in tissue biochemistry of inflammatory markers when compared with conventional stapled techniques, although the few studies available show a markedly reduced early inflammatory response at the anastomotic site with the NiTi device. The majority of the clinical data concerning compression anastomoses are derived from the biofragmentable anastomotic ring device. This device has fallen out of use because of reported leaks, instrumental failure and problems with device expulsion. A novel SMA device, the NiTi anastomotic ring, permits construction of a low rectal anastomosis construction during open or laparoscopic procedures. The preliminary data demonstrate a safety comparable to conventional staple technology. This device also provides the potential of benefit of reduced anastomotic inflammation, because the compression ring results in direct serosa-to-serosa (or alternatively serosa-to-muscularis propria) apposition without the persistence of residual foreign material. This type of construction could lead to a reduced incidence of early anastomotic leakage and/or the development of anastomotic stenosis. Randomized clinical trials employing a NiTi arm for elective, emergency and high-risk colorectal anastomoses are required to determine its indications and clinical profile as well as to assess whether such technology may selectively obviate the need for proximal diversion in low colorectal anastomoses.
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Affiliation(s)
- A P Zbar
- Department of Surgery and Transplantation, Chaim Sheba Medical Center, Sackler Medical School, Tel Aviv University, Tel Aviv, Israel.
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Leroy J, Perretta S, Diana M, Wall J, Lindner V, Harrison M, Marescaux J. An original endoluminal magnetic anastomotic device allowing pure NOTES transgastric and transrectal sigmoidectomy in a porcine model: proof of concept. Surg Innov 2011; 19:109-16. [PMID: 22143749 DOI: 10.1177/1553350611429029] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION While experimental natural orifice transluminal endoscopic surgery (NOTES) sigmoid colectomies have been reported, pure NOTES anastomoses are restricted by the limited reach of commercially available circular staplers. MAGNAMOSIS is a set of self-orienting magnetic rings that can be delivered endoluminally throughout the colon to generate a compression anastomosis. Aim. To assess the feasibility of a pure NOTES transrectal (TR) and transgastric (TG) approach to perform any segmental colectomy. MATERIALS AND METHODS One pig (50 kg) underwent the experimental procedure as follows: (a) creation of the TG access to the peritoneal cavity, (b) precise transluminal placement of the proximal MAGNAMOSIS ring, (c) creation of the TR access with the TEO and transrectal dissection of the sigmoid mesentery, (d) resection of the surgical specimen, (e) transrectal extraction of the specimen, (f) delivery and mating of the distal MAGNAMOSIS ring, and (g) closure of the TG and TR viscerotomies. The animal survived for 14 days at which time burst pressure and histology were performed. RESULTS A pure NOTES TR and TG segmental colectomy was performed in 139 minutes. The postoperative course was uneventful. The animal had a formed bowel movement including the magnetic rings on postoperative day 5. Endoscopic examination at postoperative day 14 revealed a patent anastomosis. Necropsy revealed no abscess or signs of peritonitis. Burst pressure was >198 mm Hg. The histology showed a sealed anastomosis with mild inflammation. CONCLUSIONS MAGNAMOSIS enabled a totally NOTES partial colectomy with combined TG and TR access. The flexible delivery options and low cost of manufacturing could make MAGNAMOSIS an attractive alternative to circular staplers.
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Affiliation(s)
- Joël Leroy
- IRCAD/EITS Institute, University Hospital of Strasbourg, Strasbourg, France.
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Sutureless Intestinal Anastomosis with a Novel Device of Magnetic Compression Anastomosis. ACTA ACUST UNITED AC 2011; 26:182-9. [DOI: 10.1016/s1001-9294(11)60046-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Diana M, Wall J, Perretta S, Dallemagne B, Gonzales KD, Harrison MR, Agnus V, Soler L, Nicolau S, Marescaux J. Totally Endoscopic Magnetic Enteral Bypass by External Guided Rendez-Vous Technique. Surg Innov 2011; 18:317-20. [DOI: 10.1177/1553350611409761] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective. This study aimed to assess the feasibility of a totally endoscopic enteral bypass using a self-orienting, dual ring, magnetic anastomosis system (MAGNAMOSIS) guided by a magnetic tracking system (3D METRIS). Materials and methods. In an anesthetized pig, 2 endoscopes were advanced, one each into the stomach and the colon. Both endoscopes were equipped with a MAGNAMOSIS ring secured with an endoscopic snare and a 3D METRIS within one working channel. The whole procedure was followed laparoscopically. The tracking system guided tips of endoscopes to a “rendez-vous” location between the colon and stomach. Results. MAGNAMOSIS magnets automatically joined in the correct configuration when guided to within 2 cm of each other. At necropsy, magnetic rings were secure without entrapment of excess bowel or mesentery. Conclusion. An endoscopic enteral bypass with magnetic anastomosis and magnetic tracking device was feasible. More accurate tracking and advanced techniques could enable endoscopic bypasses at multiple sites in the gastrointestinal tract.
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Affiliation(s)
- Michele Diana
- IRCAD/EITS, Hôpitaux Universitaires, Strasbourg, France
| | - James Wall
- IRCAD/EITS, Hôpitaux Universitaires, Strasbourg, France
| | | | | | | | | | - Vincent Agnus
- IRCAD/EITS, Hôpitaux Universitaires, Strasbourg, France
| | - Luc Soler
- IRCAD/EITS, Hôpitaux Universitaires, Strasbourg, France
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Zhang D, Zheng C, Song C. A modified method of using laparoscopic compression anastomosis clip for gastrointestinal anastomosis. MINIM INVASIV THER 2010; 19:350-4. [DOI: 10.3109/13645706.2010.527777] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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18
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Abstract
Colorectal anastomotic leak remains one of the most feared post-operative complications, particularly after anterior resection of the rectum with, the shift from abdomino-peritoneal resections to total mesorectal excision and primary anastomosis. The literature fails to demonstrate superiority of stapled over hand-sewn techniques in colorectal anastomosis, regardless of the level of anastomosis, although a high stricture rate was noted in the former technique. Thus, improvements in safety aspects of anastomosis and alternatives to hand-sewn and stapled techniques are being sought. Here, we review alternative anastomotic techniques used to fashion bowel anastomosis. Compression anastomosis using compression anastomotic clips, endoluminal compression anastomotic rings, AKA-2, biofragmental anastomotic rings, or Magnamosis all involve the concept of creating a sutureless end-to-end anastomosis by compressing two bowel ends together, leading to a simultaneous necrosis and healing process that joins the two lumens. Staple line reinforcement is a new approach that reduce the drawbacks of staplers used in colorectal practice, i.e. leakage, bleeding, misfiring, and inadequate tissue approximation. Various non-absorbable, semi or fully absorbable materials are now available. Two other techniques can provide alternative anastomotic support to the suture line: a colorectal drain and a polyester stent, which can be utilized in ultra-low rectal excision and can negate the formation of a defunctioning stoma. Doxycycline coated sutures have been used to overcome the post-operative weakness in anastomosis secondary to rapid matrix degradation mediated by matrix metalloproteinase. Another novel technique, the electric welding system, showed promising results in construction of a safe, neat, smooth sutureless bowel anastomosis. Various anastomotic techniques have been shown to be comparable to the standard techniques of suturing and stapling. However, most of these alternatives need to be accepted and optimized for future use.
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Kaidar-Person O, Rosenthal RJ, Wexner SD, Szomstein S, Person B. Compression anastomosis: history and clinical considerations. Am J Surg 2008; 195:818-26. [PMID: 18367149 DOI: 10.1016/j.amjsurg.2007.10.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2007] [Revised: 09/23/2007] [Accepted: 10/10/2007] [Indexed: 12/26/2022]
Abstract
BACKGROUND Despite the fact that the concept of compression anastomosis has been investigated for nearly 2 centuries, it has not yet achieved widespread acceptance. The aim of the current report is to review the literature regarding compression anastomoses. DATA SOURCES A multi-database search was conducted using PubMed, Ovid, and the Cochrane Databases (all until June 2007), in addition to electronic links to related articles and references of selected articles. The following terms were used for the search in various combinations: anastomosis, anastomoses, sutureless, compression, nickel-titanium; Nitinol; CAC; CAR; AKA-2, Valtrac biofragmentable anastomotic ring, BAR. Language restrictions were not applied. CONCLUSIONS The various methods of compression anastomosis have been shown to be at least comparable to the standard techniques of suturing and stapling. The measurement of outcomes, including cost, safety, and efficacy of treatment, indicated that compression anastomosis can save time, is cost-effective, and offers an acceptable cost/benefit ratio compared to both stapled and sutured anastomoses. However, compression anastomosis did not gain worldwide popularity.
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Affiliation(s)
- Orit Kaidar-Person
- Department of Colorectal Surgery, Cleveland Clinic Florida, Weston, FL, USA
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Deveney CW. Commentary on a 10-year single institutional study of the biofragmentable anastomosis ring. Am J Surg 2006. [DOI: 10.1016/j.amjsurg.2006.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Aggarwal R, Darzi A. Compression Anastomoses Revisited. J Am Coll Surg 2005; 201:965-71. [PMID: 16310702 DOI: 10.1016/j.jamcollsurg.2005.06.255] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2005] [Revised: 06/11/2005] [Accepted: 06/15/2005] [Indexed: 11/27/2022]
Affiliation(s)
- Rajesh Aggarwal
- Department of Surgical Oncology and Technology, Imperial College, London, UK
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Bannura GC, Cumsille MAG, Barrera AE, Contreras JP, Melo CL, Soto DC. Predictive Factors of Stenosis after Stapled Colorectal Anastomosis: Prospective Analysis of 179 Consecutive Patients. World J Surg 2004; 28:921-5. [PMID: 15593468 DOI: 10.1007/s00268-004-7375-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The incidence, risk factors, and clinical relevance of stenosis of stapled colorectal anastomosis (CRA) were studied prospectively. Anastomotic stricture was defined as the inability of traversing the anastomosis with the rigid proctoscope. The population studied consisted of 179 patients (94 males) with an average age of 59.3 years (range: 20 to 91 years). The main indication for surgery was colorectal cancer in 59% of the cases, followed by diverticular disease in 23%. The first endoscopic control was performed before 4 months in 25% of the patients, between 5 and 10 months in 50%, and during the following 10 months in 25%. Stenosis was verified with the rigid instrument in 21.1% of the cases and with the flexible colonoscope in 4.4%. The barium enema performed in 12 cases confirmed a punctiform stenosis in 5 patients, 4 of whom had been asymptomatic. An endoscopic dilatation was performed on 5 of the 8 symptomatic patients, with one relapse that required an additional dilatation. In the univariate analysis only the lesser 4-month interval was statistically significant (p = 0.033; odds ratio (OR) = 2.3; confidence interval (CI) 95% = 1.06 to 4.97). Male patients (p = 0.057; OR = 2.08; IC 95% = 0.97-4.44) show a tendency to CRA stricture that does not reach statistically significant levels. In the multivariate analysis, only sex (p = 0.04; OR = 4.11; IC 95% = 1.03 to 5.41) and the time interval (p = 0.012; OR = 2.87; IC 95% = 1.25 to 6.57) appear as independent variables in stenosis risk of a stapled CRA. The incidence of this complication depends on the criteria used for defining it. It is clinically relevant in no more than 5% of the patients. Five out of eight patients in category II were treated successfully with an endoscopic dilatation, while the other three improved spontaneously. Early stenosis, although frequent, is generally asymptomatic and disappears spontaneously. Considering the lack of correlation between the degree of stricture and its symptomatology, it is convenient to combine both the anatomic and the clinical criteria in the selection of candidates for an eventual therapeutic procedure.
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Affiliation(s)
- Guillermo C Bannura
- Department of Colorectal Surgery, Hospital Clinico San Borja Arriaran, Faculty of Medicine, University of Chile, Santa Rosa #1234, Santiago, Chile.
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