Anterior transversalis fascia approach versus preperitoneal space approach for inguinal hernia repair in residents in northern China: study protocol for a prospective, multicentre, randomised, controlled trial

Qing Fan, De-Wei Zhang, Da-Ye Yang, Hong-Wu Li, Shi-Bo Wei, Liang Yang, Fu-Quan Yang, Shao-Jun Zhang, Yao-Qiang Wu, Wei-de An, Zhong-Shu Dai, Hui-Yong Jiang, Fu-Rong Wang, Shi-Feng Qiao, Hang-Yu Li, Qing Fan, De-Wei Zhang, Da-Ye Yang, Hong-Wu Li, Shi-Bo Wei, Liang Yang, Fu-Quan Yang, Shao-Jun Zhang, Yao-Qiang Wu, Wei-de An, Zhong-Shu Dai, Hui-Yong Jiang, Fu-Rong Wang, Shi-Feng Qiao, Hang-Yu Li

Abstract

Introduction: Many surgical techniques have been used to repair abdominal wall defects in the inguinal region based on the anatomic characteristics of this region and can be categorised as 'tension' repair or 'tension-free' repair. Tension-free repair is the preferred technique for inguinal hernia repair. Tension-free repair of inguinal hernia can be performed through either the anterior transversalis fascia approach or the preperitoneal space approach. There are few large sample, randomised controlled trials investigating the curative effects of the anterior transversalis fascia approach versus the preperitoneal space approach for inguinal hernia repair in patients in northern China.

Methods and analysis: This will be a prospective, large sample, multicentre, randomised, controlled trial. Registration date is 1 December 2016. Actual study start date is 6 February 2017. Estimated study completion date is June 2020. A cohort of over 720 patients with inguinal hernias will be recruited from nine institutions in Liaoning Province, China. Patient randomisation will be stratified by centre to undergo inguinal hernia repair via the anterior transversalis fascia approach or the preperitoneal approach. Primary and secondary outcome assessments will be performed at baseline (prior to surgery), predischarge and at postoperative 1 week, 1 month, 3 months, 1 year and 2 years. The primary outcome is the incidence of postoperative chronic inguinal pain. The secondary outcome is postoperative complications (including rates of wound infection, haematoma, seroma and hernia recurrence).

Ethics and dissemination: This trial will be conducted in accordance with the Declaration of Helsinki and supervised by the institutional review board of the Fourth Affiliated Hospital of China Medical University (approval number 2015-027). All patients will receive information about the trial in verbal and written forms and will give informed consent before enrolment. The results will be published in peer-reviewed journals or disseminated through conference presentations.

Trial registration number: NCT02984917; preresults.

Keywords: anterior transversalis fascia repair; cost-utility analysis; inguinal hernia; preperitoneal repair; quality of life; randomized controlled trial.

Conflict of interest statement

Competing interests: None declared.

© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

Figures

Figure 1
Figure 1
Flow chart of study protocol. VAS, Visual Analogue Scale; SF-36, 36-Item Short Form Health Survey.

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