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Mechanochemical ablation versus cyanoacrylate adhesive for the treatment of varicose veins: study protocol for a randomised controlled trial

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Title: Mechanochemical ablation versus cyanoacrylate adhesive for the treatment of varicose veins: study protocol for a randomised controlled trial
Authors: Belramman, A
Bootun, R
Tang, TY
Lane, TRA
Davies, AH
Item Type: Journal Article
Abstract: Background: Thermal ablation techniques have become the first-line treatment of truncal veins in the management of chronic venous disease (CVD). Despite excellent outcomes, these methods are often associated with pain; generally due to their use of heat and the necessity of fluid infiltration around the vein. More recently, novel non-thermal techniques, such as mechanochemical ablation (MOCA) and cyanoacrylate adhesive (CAE) have been developed to overcome these unwelcome effects. So far, the novel techniques have been found to have similar efficacy to thermal methods, yet no direct comparisons between the non-thermal treatment techniques have been conducted to date, giving rise to this study. Methods/design: This is a prospective, multicentre, randomised clinical trial, recruiting patients with truncal saphenous incompetence. Patients will be randomised to undergo either MOCA or CAE truncal ablation, followed by treatment of any varicosities. All patients will be required to wear compression stockings for 4 days post intervention. The primary outcome measure is the pain score immediately following completion of truncal ablation, measured by a 100-mm Visual Analogue Scale (VAS). The secondary outcomes are entire treatment pain scores, clinical scores, quality of life scores, occlusion rates, time to return to usual activities/work at 2 weeks, 3, 6 and 12 months. Re-intervention rate will be considered from the third month. Cost-effectiveness will be assessed for each intervention at 12 months. The study is powered to detect a mean 10-mm difference in maximum pain score. Allowing for loss to follow-up, the total target recruitment is 180 patients. Discussion: The study will be the first study to compare MOCA against CAE and is designed to determine which method causes less pain. Completion of this study is expected to be the end of 2019. Trial registration: ClinicalTrials.gov, ID: NCT03392753. Registered on 17 November 2017.
Issue Date: 7-Aug-2018
Date of Acceptance: 13-Jul-2018
URI: http://hdl.handle.net/10044/1/62701
DOI: https://dx.doi.org/10.1186/s13063-018-2807-0
ISSN: 1745-6215
Publisher: BioMed Central
Journal / Book Title: Trials
Volume: 19
Copyright Statement: © The Author(s). 2018 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Keywords: Science & Technology
Life Sciences & Biomedicine
Medicine, Research & Experimental
Research & Experimental Medicine
Endovenous ablation
Varicose veins
Venous disease
Mechanochemical ablation
Cyanoacrylate adhesive
ENDOVENOUS LASER-ABLATION
QUALITY-OF-LIFE
GREAT SAPHENOUS VEINS
RADIOFREQUENCY ABLATION
CLINICAL-TRIAL
VENOUS INSUFFICIENCY
FOAM SCLEROTHERAPY
COMPLICATIONS
1102 Cardiovascular Medicine And Haematology
1103 Clinical Sciences
Cardiovascular System & Hematology
General & Internal Medicine
Publication Status: Published
Article Number: ARTN 428
Online Publication Date: 2018-08-07
Appears in Collections:Division of Surgery
Faculty of Medicine



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