Obesity Surgery

, Volume 28, Issue 4, pp 1055–1062 | Cite as

A Retrospective 2-Year Follow-up of Late Complications Treated Surgically and Endoscopically After Laparoscopic Roux-en-Y Gastric Bypass (LRYGB) and Laparoscopic Sleeve Gastrectomy (LSG) for Morbid Obesity

  • Mervi Javanainen
  • Anne Penttilä
  • Harri Mustonen
  • Anne Juuti
  • Tom Scheinin
  • Marja Leivonen
Original Contributions



The laparoscopic Roux-en-Y gastric bypass (LRYGB) has been the gold standard for bariatric surgery, but recently, the laparoscopic sleeve gastrectomy (LSG) has gained popularity. At present, limited data is available on the long-term complications of these two types of surgery. The aim of this retrospective study was to compare the 2-year data about late (more than 30 days after surgery) complications that were treated surgically or endoscopically after LRYGB and LSG operations in a large hospital area with a single patient database.


This was a retrospective, non-randomized, single-center study of 760 (545 LRYGB and 215 LSG) bariatric patients surgically treated between 2008 and 2013 in the Bariatric Surgery Unit of Helsinki University Central Hospital.


The patients were followed for 2 years, and late complications (more than 30 days after surgery) that were surgically and/or endoscopically treated were registered. Weight loss and the risk factors for complications were also monitored.


The study found a difference between the LRYGB and LSG patients in a number of late complications treated by both intervention types: surgical intervention were required in 9.4% of LRYGB patients vs. 0.9 of LSG patients, and endoscopic intervention were required by 4.6% of LRYGB patients vs. 1.4% of LSG patients (both p < 0.05). The risk of surgical complications was increased by better weight loss results in 12 months.


LRYGB was found to be associated with a greater risk of late complications. If larger databases confirm these results, the trend toward LSG is justified.


Bariatric surgery Late complications LSG LRYGB 


Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest or any disclosure to mention.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Mervi Javanainen
    • 1
  • Anne Penttilä
    • 1
  • Harri Mustonen
    • 2
  • Anne Juuti
    • 1
  • Tom Scheinin
    • 3
  • Marja Leivonen
    • 4
  1. 1.Meilahti University HospitalHelsinkiFinland
  2. 2.Biomedicum Helsinki, Department of SurgeryHelsinki University Central HospitalHelsinkiFinland
  3. 3.Jorvi HospitalEspooFinland
  4. 4.Seinäjoki Central HospitalSeinäjokiFinland

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