Intracorporeal vs. Extracorporeal Anastomosis in Patients Undergoing Laparoscopic Right Hemicolectomy for Colonic Cancer (ICEA)

Intracorporeal vs. Extracorporeal Anastomosis in Patients Undergoing Laparoscopic Right Hemicolectomy for Colonic Cancer

Intracorporeal vs. Extracorporeal Anastomosis in Patients Undergoing Laparoscopic Right Hemicolectomy for Colonic Cancer - A Prospective Cohort Study

In this study, the investigators will compare extracorporeal anastomosis (EA) with intracorporeal anastomosis (IA) in patients undergoing elective laparoscopic hemicolectomy for right colon cancer.

At Odense University Hospital, Svendborg, current standard treatment for right colon cancer is laparoscopic hemicolectomy with extracorporeal anastomosis (EA). To reduce the risk of adverse events, such as fascial dehiscence and later development of incisional hernia, right hemicolectomy with intracorporeal anastomosis has been introduced. When performing a laparoscopic right hemicolectomy the dissection is carried out intracorporeally and the transection and anastomosis is made extracorporeally (EA technique). For IA technique the cancer bearing segment is resected and the bowel ends joined intracorporeally with laparoscopic technique, and the specimen is then retrieved through a Pfannenstiel incision. Previous series have shown shorter hospital stay as well as shorter time to bowel recovery in patients treated with IA compared to EA, without increasing the risk of severe complications or compromising the oncological outcome. The aim of this study is to investigate whether IA in patients undergoing right hemicolectomy reduces the overall complication rate compared to EA evaluated by Comprehensive Complication Index (CCI) . 51 patients will be enrolled in each group.

Laparoscopic right hemicolectomy will be carried out. The dissection is performed laparoscopically. When the right hemicolon is sufficiently mobilized and the vessels (ileocolic pedicle, right colic pedicle and the right branch of the middle colic pedicle) are ligated, a horizontal incision in the upper right quadrant is made. Through this incision the right hemicolon is extracted, the small bowel and the transverse colon are divided using staplers. The side-to-side ileocolic anastomosis is then handsewn.

Laparoscopic right hemicolectomy will be carried out. The dissection is performed laparoscopically. The right hemicolon is mobilized and the vessels (ileocolic pedicle, right colic pedicle and the right branch of the middle colic pedicle) are ligated. The small bowel and the transverse colon are then divided using laparoscopic staplers. The side-to-side ileocolic anastomosis is formed by creating a small opening in the small bowel and the transverse colon, through which the laparoscopic stapler is used to join the bowel ends. The remaining opening is sutured laparoscopically. The specimen is retrieved through a Pfannenstiel incision.

According to the Comprehensive Complication Index (CCI) based on the Clavien Dindo classification of postsurgical complications. CCI is a continuous scale from 0-100 (0 equals no complications, 100 equals death)

Evaluated by C-reactive protein (CRP), leucocytes and National Early Warning Score (NEWS). NEWS is an aggregate scoring system, based on physiological measurements, designed to help detect acute illness. Minimum score of 0 indicates normal measurements. The score increases with further deviation from the norm, with a maximum score of 20.

Registered daily using Visual analogue scale (VAS) for pain. The scale ranging from 0-10, 0 being no pain, 10 being worst pain imaginable.

Inclusion Criteria: Patients diagnosed with right colon cancer Eligible for elective laparoscopic right hemicolectomy with primary anastomosis. Eastern Cooperative Oncology Group (ECOG) performance status 0-2 CT staged T1-T3M0 tumour. Exclusion Criteria: Pregnancy Mental incompetence Acute right hemicolectomy before the intended elective surgery

Schwenk W, Haase O, Neudecker J, Muller JM. Short term benefits for laparoscopic colorectal resection. Cochrane Database Syst Rev. 2005 Jul 20;2005(3):CD003145. doi: 10.1002/14651858.CD003145.pub2.

Ricci C, Casadei R, Alagna V, Zani E, Taffurelli G, Pacilio CA, Minni F. A critical and comprehensive systematic review and meta-analysis of studies comparing intracorporeal and extracorporeal anastomosis in laparoscopic right hemicolectomy. Langenbecks Arch Surg. 2017 May;402(3):417-427. doi: 10.1007/s00423-016-1509-x. Epub 2016 Sep 5.

Wu Q, Jin C, Hu T, Wei M, Wang Z. Intracorporeal Versus Extracorporeal Anastomosis in Laparoscopic Right Colectomy: A Systematic Review and Meta-Analysis. J Laparoendosc Adv Surg Tech A. 2017 Apr;27(4):348-357. doi: 10.1089/lap.2016.0485. Epub 2016 Oct 21.

van Oostendorp S, Elfrink A, Borstlap W, Schoonmade L, Sietses C, Meijerink J, Tuynman J. Intracorporeal versus extracorporeal anastomosis in right hemicolectomy: a systematic review and meta-analysis. Surg Endosc. 2017 Jan;31(1):64-77. doi: 10.1007/s00464-016-4982-y. Epub 2016 Jun 10.

Vergis AS, Steigerwald SN, Bhojani FD, Sullivan PA, Hardy KM. Laparoscopic right hemicolectomy with intracorporeal versus extracorporeal anastamosis: a comparison of short-term outcomes. Can J Surg. 2015 Feb;58(1):63-8. doi: 10.1503/cjs.001914.

Hellan M, Anderson C, Pigazzi A. Extracorporeal versus intracorporeal anastomosis for laparoscopic right hemicolectomy. JSLS. 2009 Jul-Sep;13(3):312-7.

Grams J, Tong W, Greenstein AJ, Salky B. Comparison of intracorporeal versus extracorporeal anastomosis in laparoscopic-assisted hemicolectomy. Surg Endosc. 2010 Aug;24(8):1886-91. doi: 10.1007/s00464-009-0865-9. Epub 2010 Jan 29.

Milone M, Elmore U, Di Salvo E, Delrio P, Bucci L, Ferulano GP, Napolitano C, Angiolini MR, Bracale U, Clemente M, D'ambra M, Luglio G, Musella M, Pace U, Rosati R, Milone F. Intracorporeal versus extracorporeal anastomosis. Results from a multicentre comparative study on 512 right-sided colorectal cancers. Surg Endosc. 2015 Aug;29(8):2314-20. doi: 10.1007/s00464-014-3950-7. Epub 2014 Nov 21.

Emile SH, Elfeki H, Shalaby M, Sakr A, Bassuni M, Christensen P, Wexner SD. Intracorporeal versus extracorporeal anastomosis in minimally invasive right colectomy: an updated systematic review and meta-analysis. Tech Coloproctol. 2019 Nov;23(11):1023-1035. doi: 10.1007/s10151-019-02079-7. Epub 2019 Oct 23.

Bollo J, Turrado V, Rabal A, Carrillo E, Gich I, Martinez MC, Hernandez P, Targarona E. Randomized clinical trial of intracorporeal versus extracorporeal anastomosis in laparoscopic right colectomy (IEA trial). Br J Surg. 2020 Mar;107(4):364-372. doi: 10.1002/bjs.11389. Epub 2019 Dec 17.

Mari GM, Crippa J, Costanzi ATM, Pellegrino R, Siracusa C, Berardi V, Maggioni D. Intracorporeal Anastomosis Reduces Surgical Stress Response in Laparoscopic Right Hemicolectomy: A Prospective Randomized Trial. Surg Laparosc Endosc Percutan Tech. 2018 Apr;28(2):77-81. doi: 10.1097/SLE.0000000000000506.

Slankamenac K, Graf R, Barkun J, Puhan MA, Clavien PA. The comprehensive complication index: a novel continuous scale to measure surgical morbidity. Ann Surg. 2013 Jul;258(1):1-7. doi: 10.1097/SLA.0b013e318296c732.

Slankamenac K, Nederlof N, Pessaux P, de Jonge J, Wijnhoven BP, Breitenstein S, Oberkofler CE, Graf R, Puhan MA, Clavien PA. The comprehensive complication index: a novel and more sensitive endpoint for assessing outcome and reducing sample size in randomized controlled trials. Ann Surg. 2014 Nov;260(5):757-62; discussion 762-3. doi: 10.1097/SLA.0000000000000948.

Clavien PA, Barkun J, de Oliveira ML, Vauthey JN, Dindo D, Schulick RD, de Santibanes E, Pekolj J, Slankamenac K, Bassi C, Graf R, Vonlanthen R, Padbury R, Cameron JL, Makuuchi M. The Clavien-Dindo classification of surgical complications: five-year experience. Ann Surg. 2009 Aug;250(2):187-96. doi: 10.1097/SLA.0b013e3181b13ca2.

Dindo D, Demartines N, Clavien PA. Classification of surgical complications: a new proposal with evaluation in a cohort of 6336 patients and results of a survey. Ann Surg. 2004 Aug;240(2):205-13. doi: 10.1097/01.sla.0000133083.54934.ae.

Petersen JA. Early warning score challenges and opportunities in the care of deteriorating patients . Dan Med J. 2018 Feb;65(2):B5439.

Williams B. The National Early Warning Score and the acutely confused patient. Clin Med (Lond). 2019 Mar;19(2):190-191. doi: 10.7861/clinmedicine.19-2-190. No abstract available.

Ljungqvist O, Scott M, Fearon KC. Enhanced Recovery After Surgery: A Review. JAMA Surg. 2017 Mar 1;152(3):292-298. doi: 10.1001/jamasurg.2016.4952.