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J-pouch versus Roux-en-Y reconstruction after gastrectomy: functional assessment and quality of life (randomized trial)

Authors Zonča P, Malý T, Ihnát P, Peteja M, Kraft O, Kuca K

Received 1 November 2015

Accepted for publication 9 June 2016

Published 16 December 2016 Volume 2017:10 Pages 13—19


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Norbert Ajeawung

Peer reviewer comments 2

Editor who approved publication: Professor Min Li

Pavel Zonča,1,2 Tomáš Malý,3 Peter Ihnát,1,2 Matus Peteja,1,2 Otakar Kraft,4 Kamil Kuca2,5

1Department of Surgery, University Hospital Ostrava, 2Department of Surgical Studies, Faculty of Medicine, University of Ostrava, Ostrava, 3Department of Surgery, University Hospital Olomouc, Olomouc, 4Department of Nuclear Medicine, University Hospital Ostrava, Ostrava, 5Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic

Purpose: The aim of this study was to evaluate the quality of life and functional emptying of J-pouch versus Roux-en-Y reconstruction after total gastrectomy for malignancy.
Methods: This study was designed as a prospective, nonblinded, randomized, parallel clinical trial (Trial Number: MN Ostrava, 200604). With informed consent, patients undergoing gastrectomy for malignancy were randomized to J-pouch or Roux-en-Y reconstruction. The time taken for a test semisolid meal labeled with 99mTc-sulfur colloid to exit the reconstructed parts was measured by dynamic scintigraphy 1 year after resection. Quality of life was measured using the Eypasch questionnaire at the same time as functional emptying assessment. This trial was investigator-initiated.
Results: In all, 72 patients were included into the study. The time taken for the test meal to exit the postgastrectomy reconstruction was 16.5±10.0 minutes (mean ± standard deviation) in the Roux-en-Y group and 89.4±37.8 minutes in the “J-pouch” group; the difference was statistically significant (P<0.001). Emptying of the J-pouch appeared to be a linear decreasing function compared to the exponential pattern seen in the Roux-en-Y group. The quality of life measurement showed scores of 106±18.8 points (mean ± standard deviation) in the Roux-en-Y group compared to 122±22.5 points in the J-pouch group; the difference was statistically significant (P=0.0016). There were no important adverse events.
Conclusion: After total gastrectomy, a J-pouch reconstruction empties more slowly and is associated with higher quality of life compared to Roux-en-Y reconstruction. Whether these two observations have a direct causative link remains unanswered.

gastrectomy, J-pouch, Roux-en-Y, gastric emptying, quality of life, dynamic scintigraphy

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