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      Management guidelines for low anterior resection syndrome – the MANUEL project

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          Abstract

          Aim

          Little is known about the pathophysiology of low anterior resection syndrome (LARS), and evidence concerning the management of patients diagnosed with this condition is scarce. The aim of the LARS Expert Advisory Panel was to develop practical guidance for healthcare professionals dealing with LARS.

          Method

          The ‘Management guidelines for low anterior resection syndrome’ (MANUEL) project was promoted by a team of eight experts in the assessment and management of patients with LARS. After a face‐to‐face meeting, a strategy was agreed to create a comprehensive, practical guide covering all aspects that were felt to be clinically relevant. Eight themes were decided upon and working groups established. Each working group generated a draft; these were collated by another collaborator into a manuscript, after a conference call. This was circulated among the collaborators, and it was revised following the comments received. A lay patient revised the manuscript, and contributed to a section containing a patient's perspective. The manuscript was again circulated and finalized. A final teleconference was held at the end of the project.

          Results

          The guidance covers all aspects of LARS management, from pathophysiology, to assessment and management. Given the lack of sound evidence and the often poor quality of the studies, most of the recommendations and conclusions are based on the opinions of the experts.

          Conclusions

          The MANUEL project provides an up‐to‐date practical summary of the available evidence concerning LARS, with useful directions for healthcare professional and patients suffering from this debilitating condition.

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          Most cited references90

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          Low anterior resection syndrome score: development and validation of a symptom-based scoring system for bowel dysfunction after low anterior resection for rectal cancer.

          The aim of this study was to develop and validate a scoring system for bowel dysfunction after low anterior resection (LAR) for rectal cancer, on the basis of symptoms and impact on quality of life (QoL). LAR for rectal cancer often results in severe bowel dysfunction (LAR syndrome [LARS]) with incontinence, urgency, and frequent bowel movements. Several studies have investigated functional outcome, but the terminology is inconsistent hereby complicating comparison of results. Questionnaires regarding bowel function was sent to all 1143 LAR patients eligible for inclusion identified in the national Colorectal Cancer Database. Associations between items and QoL were computed by binomial regression analyses. The important items were selected and regression analysis was performed to find the adjusted risk ratios. Individual score values were designated items to form the LARS score, which was divided into "no LARS," "minor LARS," and "major LARS." Validity was tested by receiver operating characteristic (ROC) curve and Spearman's rank correlation and discriminant validity was tested by Student t tests. A total of 961 patients returned completed questionnaires. The 5 most important items were "incontinence for flatus," "incontinence for liquid stools," "frequency," "clustering," and "urgency." The range (0-42) was divided into 0 to 20 (no LARS), 21 to 29 (minor LARS), and 30 to 42 (major LARS). The score showed good correlation and a high sensitivity (72.54%) and specificity (82.52%) for major LARS. Discriminant validity showed significant differences between groups with and without radiotherapy (P < 0.0001), tumor height more or less than 5 cm (P < 0.0001), and total mesorectal excision/partial mesorectal excision (P = 0.0163). We have constructed a valid and reliable LARS score correlated to QoL--a simple tool for quick clinical evaluation of the severity of LARS.
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            Anterior resection syndrome.

            Up to 80% of patients with rectal cancer undergo sphincter-preserving surgery. It is widely accepted that up to 90% of such patients will subsequently have a change in bowel habit, ranging from increased bowel frequency to faecal incontinence or evacuatory dysfunction. This wide spectrum of symptoms after resection and reconstruction of the rectum has been termed anterior resection syndrome. Currently, no precise definition or causal mechanisms have been established. This disordered bowel function has a substantial negative effect on quality of life. Previous reviews have mainly focused on different colonic reconstructive configurations and their comparative effects on daily function and quality of life. The present Review explores the potential mechanisms underlying disturbed functions, as well as current, novel, and future treatment options.
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              Organ preservation for rectal cancer (GRECCAR 2): a prospective, randomised, open-label, multicentre, phase 3 trial

              Organ preservation is a concept proposed for patients with rectal cancer after a good clinical response to neoadjuvant chemotherapy, to potentially avoid morbidity and side-effects of rectal excision. The objective of this study was to compare local excision and total mesorectal excision in patients with a good response after chemoradiotherapy for lower rectal cancer.
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                Author and article information

                Contributors
                petchris@rm.dk , @PeterCh12345
                @eloiespin
                @GianlucaPellino
                Journal
                Colorectal Dis
                Colorectal Dis
                10.1111/(ISSN)1463-1318
                CODI
                Colorectal Disease
                John Wiley and Sons Inc. (Hoboken )
                1462-8910
                1463-1318
                24 January 2021
                February 2021
                : 23
                : 2 ( doiID: 10.1111/codi.v23.2 )
                : 461-475
                Affiliations
                [ 1 ] Department of Surgery Danish Cancer Society Centre for Research on Survivorship and Late Adverse Effects after Cancer in the Pelvic Organs Aarhus University Hospital Aarhus Denmark
                [ 2 ] Department of Surgery Groene Hart Ziekenhuis Gouda The Netherlands
                [ 3 ] Colorectal Surgery Vall d'Hebron University Hospital Barcelona Spain
                [ 4 ] Emergency Surgery Careggi University Hospital Florence Italy
                [ 5 ] University of Southampton Southampton UK
                [ 6 ] Gastroenterology Department CHU de Bordeaux Centre Medico‐Chirurgical Magellan Hôpital Haut‐Lévêque Université de Bordeaux Bordeaux France
                [ 7 ] Department of Advanced Medical and Surgical Sciences Universitá degli Studi della Campania ‘Luigi Vanvitelli’ Naples Italy
                [ 8 ] Department of Surgical Oncology Sigmund Freud University Vienna Austria
                Author notes
                [*] [* ] Correspondence

                Peter Christensen, Danish Cancer Society Centre for Research on Survivorship and Late Adverse Effects after Cancer in the Pelvic Organs, Department of Surgery, Aarhus University Hospital, Palle Juul‐Jensens Boulevard 99, 8200 Aarhus N, Denmark.

                Email: petchris@ 123456rm.dk

                [†]

                MANUEL project working group participants: Peter Christensen, Coen I. M. Baeten, Eloy Espín‐Basany, Jacopo Martellucci, Karen P Nugent, Frank Zerbib, Gianluca Pellino, Harald Rosen.

                Author information
                https://orcid.org/0000-0002-6611-3935
                https://orcid.org/0000-0003-0905-8375
                https://orcid.org/0000-0002-9139-4548
                https://orcid.org/0000-0002-7437-9098
                https://orcid.org/0000-0002-0408-2950
                https://orcid.org/0000-0002-6802-2121
                https://orcid.org/0000-0002-8322-6421
                https://orcid.org/0000-0002-4211-6728
                Article
                CODI15517
                10.1111/codi.15517
                7986060
                33411977
                e70f46e3-d855-45c8-8a50-cbae5d614266
                © 2021 The Authors. Colorectal Disease published by John Wiley & Sons Ltd on behalf of Association of Coloproctology of Great Britain and Ireland.

                This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

                History
                : 22 December 2020
                : 30 September 2020
                : 29 December 2020
                Page count
                Figures: 3, Tables: 5, Pages: 15, Words: 11959
                Categories
                Consensus Statement
                SPECIAL SECTION ARTICLES: Special edition on functional outcomes after cancer surgery
                Consensus Statement
                Lars
                Custom metadata
                2.0
                February 2021
                Converter:WILEY_ML3GV2_TO_JATSPMC version:6.0.0 mode:remove_FC converted:23.03.2021

                Gastroenterology & Hepatology
                colorectal surgery,complications,consensus,guidance,lars,low anterior resection syndrome,rectal surgery

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