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Endoscopic gastrointestinal anastomosis: a review of established techniques. Gastrointest Endosc 2021; 93:34-46. [PMID: 32593687 DOI: 10.1016/j.gie.2020.06.057] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/11/2020] [Indexed: 02/08/2023]
Abstract
Technologic advancements in the field of therapeutic endoscopy have led to the development of minimally invasive techniques to create GI anastomosis without requiring surgery. Examples of the potential clinical applications include bypassing malignant and benign gastric outlet obstruction, providing access to the pancreatobiliary tree in those who have undergone Roux-en-Y gastric bypass, and relieving pancreatobiliary symptoms in afferent loop syndrome. Endoscopic GI anastomosis is less invasive and less expensive than surgical approaches, result in improved outcomes, and therefore are more appealing to patients and providers. The aim of this review is to present the evolution of luminal endoscopic gastroenteric and enteroenteric anastomosis dating back to the first compression devices and to describe the clinical techniques being used today, such as magnets, natural orifice transluminal endoscopic surgery, and EUS-guided techniques. Through continued innovation, endoscopic interventions will rise to the forefront of the therapeutic arsenal available for patients requiring GI anastomosis.
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Lu Z, Peng J, Li C, Wang F, Jiang W, Fan W, Lin J, Wu X, Wan D, Pan Z. Efficacy and safety of a NiTi CAR 27 compression ring for end-to-end anastomosis compared with conventional staplers: A real-world analysis in Chinese colorectal cancer patients. Clinics (Sao Paulo) 2016; 71:264-70. [PMID: 27276395 PMCID: PMC4874270 DOI: 10.6061/clinics/2016(05)04] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 02/17/2016] [Indexed: 01/17/2023] Open
Abstract
OBJECTIVES This study aimed to evaluate the safety and efficacy of a new nickel-titanium shape memory alloy compression anastomosis ring, NiTi CAR 27, in constructing an anastomosis for colorectal cancer resection compared with conventional staples. METHODS In total, 234 consecutive patients diagnosed with colorectal cancer receiving sigmoidectomy and anterior resection for end-to-end anastomosis from May 2010 to June 2012 were retrospectively analyzed. The postoperative clinical parameters, postoperative complications and 3-year overall survival in 77 patients using a NiTi CAR 27 compression ring (CAR group) and 157 patients with conventional circular staplers (STA group) were compared. RESULTS There were no statistically significant differences between the patients in the two groups in terms of general demographics and tumor features. A clinically apparent anastomotic leak occurred in 2 patients (2.6%) in the CAR group and in 5 patients (3.2%) in the STA group (p=0.804). These eight patients received a temporary diverting ileostomy. One patient (1.3%) in the CAR group was diagnosed with anastomotic stricture through an electronic colonoscopy after 3 months postoperatively. The incidence of postoperative intestinal obstruction was comparable between the two groups (p=0.192). With a median follow-up duration of 39.6 months, the 3-year overall survival rate was 83.1% in the CAR group and 89.0% in the STA group (p=0.152). CONCLUSIONS NiTi CAR 27 is safe and effective for colorectal end-to-end anastomosis. Its use is equivalent to that of the conventional circular staplers. This study suggests that NiTi CAR 27 may be a beneficial alternative in colorectal anastomosis in Chinese colorectal cancer patients.
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Affiliation(s)
- Zhenhai Lu
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Jianhong Peng
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Cong Li
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Fulong Wang
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Wu Jiang
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Wenhua Fan
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Junzhong Lin
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Xiaojun Wu
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Desen Wan
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
| | - Zhizhong Pan
- Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Department of Colorectal Surgery, Guangzhou, P.R., China
- E-mail:
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Can a nickel-titanium memory-shape device serve as a substitute for the stapler in gastrointestinal anastomosis? A systematic review and meta-analysis. J Surg Res 2015; 201:82-93. [PMID: 26850188 DOI: 10.1016/j.jss.2015.10.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Revised: 09/20/2015] [Accepted: 10/08/2015] [Indexed: 02/05/2023]
Abstract
BACKGROUND Recently, a nickel-titanium (NiTi) memory-shape device has been successfully used in gastrointestinal anastomosis. The aim of this study was to investigate the feasibility and safety of the device. METHODS Four databases, reference lists, and the World Health Organization International Clinical Trials Registry Platform were systematically searched for randomized controlled trials assessing the clinical efficacy of a NiTi memory-shape device compared with that of a stapler in gastrointestinal or colorectal anastomosis. RESULTS Seven randomized controlled trials regarding the use of compression anastomosis clips (CACs) were enrolled for meta-analysis. The use of CACs was associated with a significant reduction in hospital duration (mean = -0.88 d; 95% confidence interval [CI], -1.38 to -0.38), the time to flatus (mean = -0.36 d; 95% CI, -0.08 to -0.04), and the start of oral intake (mean = -0.45 d; 95% CI, -0.83 to -0.06), as well as a nonsignificant change in postoperative complications and mortality. These clinical outcomes did not significantly change with the use of compression anastomosis rings. CONCLUSIONS Colonic anastomosis with a CAC is likely to reduce hospital duration, time to flatus, and the start of oral intake without influencing mortality or postoperative complications and may be a safe and preferable choice in colonic anastomosis. Further well-designed trials should be performed to determine the safety and efficacy of the newly developed compression anastomosis ring in both ileocolic and colorectal anastomosis.
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Kuśnierz K, Lampe P. Long term results of the use of compression anastomosis clips (CAC) in gastrointestinal surgery – the first report. POLISH JOURNAL OF SURGERY 2015; 87:295-300. [PMID: 26247500 DOI: 10.1515/pjs-2015-0057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Indexed: 11/15/2022]
Abstract
UNLABELLED The aim of the study was to present the first long-term results on the clinical use of compression anastomosis clips (CAC) in upper and lower gastrointestinal tract anastomoses. MATERIAL AND METHODS The study included 50 patients who underwent anastomosis of the upper (n = 32) or lower GI tract (n = 18) with the use of CAC. In the period of 6-7 months after the surgery, patients underwent endoscopic examination and computed tomography evaluation of the anastomosis. Each anastomosis was evaluated macro and microscopically. The width of anastomoses was evaluated using a 4-point-scale for grading stenosis. RESULTS Of the 50 patients who underwent anastomosis with compression anastomosis clip, 28 (56%) patients reported to the follow-up examination within 190-209 days of the execution of the anastomosis. Among the 22 patients who did not report to the study, 18 (36%) patients died within 91-154 days from the execution of the anastomosis (mean 122 days), 4 (8%) patients were impossible to contact after discharge from hospital. Two mild stenoses (I0) were diagnosed; 1 of them was found in the gastroenterostomy and 1 in Braun enteroenterostomy. Microscopic changes were diagnosed in 4 anastomoses (3 gastroenterostomies, 1 Braun enteroenterostomy). Anastomoses were well-formed and wide, scars in the line of anastomoses were thin. CONCLUSIONS During the period of 6 months after the anastomoses performed using CAC have been formed, they were evaluated as unobstructed and functioning properly; therefore, they can be safely performed within the upper and lower gastrointestinal tract.
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Park A, Lee TH, Kavic SM. Long-term follow-up of a novel anastomotic device in a canine model. Surg Innov 2014; 21:198-203. [PMID: 24752074 DOI: 10.1177/1553350614530189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Construction of intestinal anastomosis is a fundamental general surgery skill. New constraints in creating safe, effective anastomoses are faced, however, even as minimally invasive surgery techniques continue to gain popular and scientific support. We present our experience in developing and testing a novel anastomotic device (AD) constructed of a shape memory metal, with long-term follow-up in a canine model. This device has the potential for both laparoscopic and endoscopic delivery because of its unique design and adaptable deployment system. Eight canines had gastroduodenal and jejunojejunal anastomoses formed with the AD: the gastroduodenal anastomosis by transecting the stomach immediately distal to the pylorus and forming a side-to-side functional end-to-end anastomosis and the jejunojejunal anastomosis similarly following transection in the mid-jejunum. Four animals were survived for 6 months, and 4 for 12 months. At the study's end, the animals were euthanized and the anastomotic sites harvested for both gross and microscopic pathology. Two animals developed postoperative complications: one a mechanical bowel obstruction from bedding ingestion that required laparotomy, and one an ileus that conservative management resolved. All animals survived to their endpoints, displaying normal growth and development. All jejunojejunal anastomoses had AD passage and microscopic evidence of complete healing. Meanwhile, none of the gastroduodenal devices passed, with microscopy demonstrating incomplete mucosalization. This AD is highly effective in forming jejunojejunal anastomoses. Gastroduodenal anastomoses, while highly functional, retained the device without complete healing. Future studies using a more human-like animal model and an anastomotic technique avoiding the thick pylorus muscle should yield better results.
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Affiliation(s)
- Adrian Park
- 1Anne Arundel Health System, Annapolis, MD, USA
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Kusnierz K, Lekston Z, Zhavoronkov D, Mrowiec S, Lampe P. A nickel–titanium memory-shape device for gastrojejunostomy: comparison of the compression anastomosis clip and a hand-sewn anastomosis. J Surg Res 2014; 187:94-100. [DOI: 10.1016/j.jss.2013.10.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 10/01/2013] [Accepted: 10/03/2013] [Indexed: 01/13/2023]
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Kusnierz K, Morawiec H, Lekston Z, Zhavoronkov D, Lucyga M, Lampe P. NiTi Shape Memory Compression Anastomosis Clip in Small- and Large-Bowel Anastomoses. Surg Innov 2013; 20:580-5. [DOI: 10.1177/1553350612474494] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of the study was to present a clinical use of compression anastomosis clip (CAC) implants made of shape memory materials—nickel titanium alloys (NiTi). The concept involved in the use of CAC was to compress 2 bowel walls together, cause necrosis, and detach the CAC from the tissue to be expelled with the stool. The CAC is a double-ring elliptical device with a diameter of 30 mm. The device has the ability to recover its original closed shape when it senses a change in ambient temperature. In all, 20 anastomoses using CACs were performed: 6 of the small with the large bowel and 14 between the small bowel and small bowel. Two patients experienced complications. Although the anastomosis is not difficult to perform, the rules on how to apply the CAC must be well known. Because only a small number of anastomoses have been performed by us to date, this procedure requires further study.
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Compression anastomosis ring device in colorectal anastomosis: a review of 1,180 patients. Am J Surg 2013; 205:447-51. [PMID: 23290352 DOI: 10.1016/j.amjsurg.2012.03.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Revised: 02/19/2012] [Accepted: 03/04/2012] [Indexed: 12/22/2022]
Abstract
BACKGROUND The nickel-titanium compression anastomosis ring device (ColonRing, NiTi Surgical Solutions, Netanya, Israel) has been cleared by the Food and Drug Administration in 2006 to construct gastrointestinal anastomoses. We evaluated the anastomotic leak rate after end-to-end anastomosis using the ColonRing device. METHODS Using a multinational (16 countries), multicenter (178 centers) data registry provided by NiTi Surgical Solutions, Netanya, Israel, we retrospectively examined clinical data of patients who underwent elective laparoscopic or open left-sided colectomy and anterior resection from January 2008 to June 2010. RESULTS A total of 1,180 patients underwent end-to-end anastomosis using the ColonRing device during the study period. The overall anastomotic leak rate was 3.22% (38 patients). The median length of hospital stay was 6 days (range 2 to 21 days). The median ring expulsion time was 8 days. The earliest ring expulsion time was 6 days; however, in 1 patient, the ring did not expel. In 4 patients, the anastomosis had to be immediately recreated because of 1 misfiring and 3 incomplete anastomoses. CONCLUSIONS The use of the ColonRing device is feasible and safe and could be considered an alternative technology for end-to-end colorectal anastomosis.
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Lee HY, Woo JH, Park SY, Kang NW, Park KJ, Choi HJ. Intestinal Anastomosis by Use of a Memory-shaped Compression Anastomosis Clip (Hand CAC 30): Early Clinical Experience. JOURNAL OF THE KOREAN SOCIETY OF COLOPROCTOLOGY 2012; 28:83-8. [PMID: 22606647 PMCID: PMC3349815 DOI: 10.3393/jksc.2012.28.2.83] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 12/09/2011] [Accepted: 04/13/2012] [Indexed: 12/31/2022]
Abstract
Purpose The safety and the efficacy of the compression anastomosis clip (Hand CAC 30) have been demonstrated by animal studies. This study was designed to evaluate the clinical validity of the Hand CAC 30 in enterocolic side-to-side anastomosis after colonic or enteric resections. Methods A non-randomized prospective data collection was performed for patients undergoing a side-to-side anastomosis using the Hand CAC 30. Eligibility criteria for the use of the Hand CAC 30 were for anastomoses between the colon and the ileum or between two small bowels. The primary short-term endpoint was the rate of anastomotic leakage. Other clinical outcomes, including intra- and postoperative complications, length of operation time and hospital stay, and the clip elimination time were recorded. Results A total of 63 patients (male, 36) underwent an enteric or right-sided colonic resection followed by a side-to-side anastomosis using the Hand CAC 30. Laparoscopic surgery was performed in 36 patients, in whom one patient who underwent a laparoscopic right hemicolectomy was converted to an open procedure (1/32, 3.1%). One patient with ascending colon cancer showed postoperative anastomotic leakage and died of co-morbid ischemic heart disease. There were no other surgical mortalities. The exact date of expulsion of the clip could not be recorded because most patients were not aware of clip elimination. No patients manifested clinical symptoms of anastomotic stricture. Conclusion Short-term evaluation of the Hand CAC 30 anastomosis in patients undergoing enterocolic surgery proved it to be a safe and efficacious alternative to the standard hand-sewn or stapling technique.
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Affiliation(s)
- Hak-Youn Lee
- Department of Surgery, Dong-A University Medical Center, Busan, Korea
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Compression anastomoses in colon and rectal surgery with the NiTi ColonRing™. Tech Coloproctol 2011; 16:29-35. [PMID: 22139026 DOI: 10.1007/s10151-011-0794-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2011] [Accepted: 11/18/2011] [Indexed: 12/23/2022]
Abstract
BACKGROUND The aim of this prospective study was to evaluate safety and efficacy of the NiTi ColonRing™ for anastomoses on the colon or rectum. METHODS During the period September 2008-June 2011, anastomosis using the NiTi ColonRing™ was scheduled to be performed on 60 patients (36 females, 24 males/mean aged 67 years), 53 of whom underwent colectomy for cancer and 7 reconstruction after Hartmann's procedure. Application of the device failed in one case due to anatomical reasons. Colorectal resections performed were as follows: Right hemicolectomy (5 patients), left colectomy (2), sigmoidectomy (15) and low anterior resection (31). A follow-up clinic visit after 1 month was planned for all patients. Ten patients among the first 14 had rectosigmoidoscopy at 2-3 months. All cancer patients were scheduled for colonoscopy at 12 months. RESULTS No intraoperative or postoperative bleeding related to the anastomotic technique was recorded. Median hospital stay after surgery was 10.2 days (9-22 days). One patient died on day 13 due to myocardial infarction. Clinically apparent leak was detected in one patient who had undergone reconstruction after Hartmann; the only treatment required was total parenteral nutrition for 12 days. Anastomotic stenosis occurred in another one patient who had undergone reconstruction after Hartmann; it was easily resolved by balloon dilatation. Mild complications were encountered in 23 other patients (39%). Oral feeding started after day 4. Anastomotic rings were expelled naturally within 7-17 days (mean, 9.2 days). A satisfactory anastomosis was revealed in patients examined colonoscopically at 2-3 and 12 months. Mean follow-up was 15.2 months (2-33 months). CONCLUSIONS NiTi ColonRing™ is reliable, safe and efficacious for large bowel anastomoses.
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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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