Preoperative Helicobacter pylori Screening and Treatment in Patients Undergoing Laparoscopic Sleeve Gastrectomy



The role of preoperative screening and treatment of Helicobacter pylori (HP) in asymptomatic patients undergoing laparoscopic sleeve gastrectomy (LSG) remains unclear. This study aims to define the preoperative prevalence and management of HP and their effect on postoperative outcomes at our institution.

Materials and Methods

We reviewed the medical records and surgical specimens of all LSG performed at an academic centre in Toronto, ON between 2010 and 2017.


Review of our institutional database identified 222 patients that underwent LSG, of which 200 had preoperative HP screening: 18% tested positive and 15% were treated. Seven surgical specimens were HP-positive (3.2%). No association was found between preoperative HP status, treatment or HP-positive specimen and postoperative complications at 1 year.


Although preoperative screening and treatment likely reduce the prevalence of HP in LSG specimens, our findings suggest that they may be of limited clinical value in LSG as they have little influence on surgical morbidity.

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Corresponding author

Correspondence to Allan Okrainec.

Ethics declarations

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.


Author 1 reports grants from Medtronic outside the submitted work. Author 8 reports personal fees from Medtronic, personal fees from Ethicon, and personal fees from Merck, outside the submitted work. Authors 2 through 7 have no conflicts of interest or financial ties to disclose.

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Di Palma, A., Alhabdan, S., Maeda, A. et al. Preoperative Helicobacter pylori Screening and Treatment in Patients Undergoing Laparoscopic Sleeve Gastrectomy. OBES SURG 30, 2816–2820 (2020).

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  • Bariatric surgery
  • Sleeve gastrectomy
  • Helicobacter pylori
  • Preoperative screening
  • Surgical outcomes