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Open Access Study protocol

Totally laparoscopic versus conventional ileoanal pouch procedure – design of a single-centre, expertise based randomised controlled trial to compare the laparoscopic and conventional surgical approach in patients undergoing primary elective restorative proctocolectomy- LapConPouch-Trial

Dalibor Antolovic, Peter Kienle, Hanns-Peter Knaebel, Jan Schmidt, Carsten N Gutt, Jürgen Weitz, Moritz Koch, Markus W Büchler and Christoph M Seiler*

Author Affiliations

Department of Surgery, University of Heidelberg, Heidelberg, Germany

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BMC Surgery 2006, 6:13  doi:10.1186/1471-2482-6-13

Published: 24 November 2006

Abstract

Background

Restorative proctocolectomy is increasingly being performed minimal invasively but a totally laparoscopic technique has not yet been compared to the standard open technique in a randomized study.

Methods/design

This is a two armed, single centre, expertise based, preoperatively randomized, patient blinded study. It is designed as a two-group parallel superiority study. Power calculation revealed 80 patients per group in order to recruit the 65 patients to be analysed for the primary endpoint. The primary objective is to investigate intra-operative blood loss and the need for blood transfusions. We hypothesise that intra-operative blood loss and the need for peri-operative blood transfusions are significantly higher in the conventional group. Additionally a set of surgical and non-surgical parameters related to the operation will be analysed as secondary objectives. These will include operative time, complications, postoperative pain, lung function, postoperative length of hospital stay, a cosmetic score and pre-and postoperative quality of life.

Discussion

The trial will answer the question whether there is indeed an advantage in the laparoscopic group in regard to blood loss and the need for blood transfusions. Moreover, it will generate data on the safety and potential advantages and disadvantages of the minimally invasive approach.

Trial registration : ISCRTN61411448