© IFSO 2024


You are invited to submit an original abstract for IFSO 2024 to be held in Melbourne from 3-6 September 2024.


Call for abstracts will close on
Friday 15 March 2024, 11:59 PM AEDT.


Abstracts submitted in hard copy will not be accepted. 

Only abstracts submitted via the online portal will be accepted and reviewed.

Please ensure you have read the abstract guidelines before starting your submission.

Please submit your abstract below.

Presentation Types

Submissions will be accepted for the following presentation types:

  • Oral Presentation
    • using PowerPoint slides
    • presented by one nominated author
    • presentations will include two (2) minutes each for audience questions.

  • ePoster
    • authors will have the opportunity to have their ePoster displayed on screens for delegates to view for the entire duration of the Congress.

  • Video
    • Maximum length of the video is 7 minutes.
Abstract Format

Abstracts are to be structured under the following sub-headings.

The abstract should not repeat the title, authors and affiliations. 

  • Background
  • Objectives
  • Methods
  • Results
  • Conclusion

Metabolic Bariatric Procedures

  • Sleeve Gastrectomy
  • Gastric Bypass procedures including RYGB and OAGB
  • Duodenal switch procedures, including SADI-S
  • Sleeve+ and other intestinal procedures
  • Robotic metabolic bariatric surgery
  • Other


Complications Management

  • Surgical management of complications
  • Non-surgical, psychological and nutritional management of complications
  • Endoscopic and radiological management of complications
  • Management of recurrent weight gain and suboptimal weight loss after surgery


Revisional Metabolic Bariatric Surgery

  • Revisional surgery – diagnostic pathway
  • Revisional metabolic bariatric surgery in recurrent weight gain or suboptimal weight loss
  • Revisional metabolic bariatric surgery for reflux/GERD
  • Revisional metabolic bariatric surgery for other complications


Metabolic Bariatric Surgery Indications

  • Cardiovascular risk and metabolic bariatric surgery
  • NASH and metabolic bariatric surgery
  • Sleep apnoea and metabolic bariatric surgery
  • Type 2 diabetes and metabolic bariatric surgery
  • Cancer and metabolic bariatric surgery
  • Fertility and metabolic bariatric surgery
  • Heart failure and metabolic bariatric surgery
  • Abdominal wall hernia in the bariatric patient
  • Transplant and metabolic bariatric surgery
  • Arthroplasty and metabolic bariatric surgery
  • Other (e.g. autoimmune disease, arthropathy)


GERD and Hiatal Hernia

  • Preoperative assessment of GERD in patients with obesity
  • Hiatal Hernia and GERD in metabolic bariatric surgery


Upper Endoscopy and Endoscopic Bariatric and Metabolic Procedures

  • Bariatric Endoscopy
  • Primary endoscopic Bariatric Procedures
  • Revisional endoscopic Bariatric Procedures
  • Hybrid endoscopic and surgical procedures


Dilemma Indications

  • MBS in children, adolescents and young adults
  • Low BMI
  • Severe Obesity (BMI>60 – Class V)
  • MBS in older patients (> 70 years)



  • Emergent technology
  • New and Non-standard Procedures
  • Artificial intelligence
  • Horizon Drugs Therapies


Management & Quality

  • Ambulatory Bariatric Surgery
  • Bariatric Surgery Tourism
  • Bariatric Anaesthesia
  • Prehabilitation in Metabolic Bariatric Surgery
  • Enhanced recovery in Metabolic Bariatric Surgery: ERAMBS
  • Access and Equity
  • Post Bariatric Plastic Surgery


  • Integrated health care
  • Pharmacotherapy use
  • Nutritional deficiency
  • Psychology & behavioural health and metabolic bariatric surgery
  • Physical activity, sedentary behaviour and MBS
  • Managing pregnancy in bariatric patients
  • Anti-aging and wellness


Science, Registries

  • Statistics and methodologies
  • Basic science and research in metabolic bariatric surgery
  • Registries and Audit
  • BMS National Reports


Young IFSO


Abstract Submission Information

  • Submissions should be no longer than 350 words (excluding title and other contact details

  • Abstracts must contain original scientific data collected by the author(s).

  • The author is responsible for the accuracy of the abstract.

  • Do not include references in the body of your abstract.

  • Presenters of accepted submissions are expected to register and pay by 30 May 2024 to be able to present their study at the Congress and to make sure their abstract is included in the Abstract Book that will be published in Obesity Surgery.

  • The acceptance of an abstract does not imply provision of travel, accommodation or registration for the Congress, nor any other costs associated with preparation, presentation of the oral or ePoster, or any costs associated with attendance at the Congress.

  • All abstracts are reviewed blindly by the IFSO reviewers. Their decision is final.

  • By submitting your abstract, you agree to have your abstract (if accepted) published on the Congress website, Congress app and in printed material.

  • If you have any commercial interests or associations that might pose a conflict of interest regarding the submission, they must be declared. If accepted for presentation, the commercial interest or association must be declared on the title slide or the slide immediately following the title slide.

  • You give IFSO & Think Business Events permission to film or photograph your presentation at the Congress.

  • You will immediately notify Think Business Events (the Congress organiser) if you are unable to present or if the presenting author has changed.

Submission to Obesity Surgery

After IFSO 2024 and no later than 4 October 2023, all abstracts accepted for a ‘TOP Papers Session’ require a manuscript (full paper) submission to Obesity Surgery, the official Journal of IFSO.

For all the other abstracts manuscript submission to Obesity Surgery is encouraged.

The authors who submit their studies (manuscripts) by 4 October 2023, will be recognized in the ‘congratulations page‘ published by the Editor in Chief of Obesity Surgery.

In order to be evaluated as an IFSO abstract submission, please make sure to include details in your cover letter regarding your accepted IFSO abstract.

The manuscript will have to be submitted for publication at the latest by four weeks after the Congress (by 4 October 2023) following the guidelines of Obesity Surgery Journal, found here

There is no guarantee the paper will be accepted for publication, as it will be peer reviewed as per the Journal standard process.

Manuscript Submission Exemption

If the author wishes to submit the article to a different journal, they have to inform – in writing at the latest 4 weeks before the Congress (by 30 May, 2024) – the Congress Office at ifso@thinkbusinessevents.com.au explaining why they is asking for an exception and giving evidence of the submission to the other journal, in order to be excused.

  • The Editor-in-Chief of Obesity Surgery will decide about the exemption.

  • If the paper is rejected from the other journal, it will have to be submitted to Obesity Surgery.

  • If the paper is not submitted to Obesity Surgery, the author will be banned from submission to Obesity Surgery and to the IFSO World Congress for one year.

If you request a manuscript exemption, you will be asked to attest to the following:

“I am requesting an exemption from submitting my manuscript to Obesity Surgery because I believe this study would be more appropriate in a higher impact journal (name of the journal) or in a non-surgical journal with a broader impact on the medical community than if it were published in Obesity Surgery”.

Originality Disclosure

Submitted abstracts/cases should not have been published in any other journals and/or online publications nor presented at any previous international congress.

Submitting or presenting an already published work will lead to:

  • Withdrawal of the presentation from the Scientific Sessions
  • Prohibition of submitting abstracts to any IFSO Congress for one year

Submitted abstracts must report new information, not previously published or presented at a national or international scientific meeting prior to the Congress.

Abstracts previously presented at meetings will not be accepted unless there is a substantial update of data.

Identified duplicates will be retracted from all related IFSO publications and scientific sessions.


Authors will be notified of acceptance/rejection of their abstracts by 30 May 2024. 

If an author so desires, they will have a week from the decision notification date to withdraw their abstract from the proceedings.

No Show

Please inform the Congress Office if you are no longer able attend the Congress to present your abstract. 

In case of a no-show, without written justification to ifso@thinkbusinessevents.com.au before the start of the Congress, the author will receive a suspension from participation in the next two IFSO Congresses.

Consent and Rights

By submitting your work to IFSO 2024, you consent to have authors’ names, affiliations and biographical material used in connection with the publication of your work.

The content belongs to the author(s). However, if the abstract/case is accepted, the submitter agrees, on behalf of all co-authors, to transfer and assign to IFSO the rights to reformat, publish, reproduce, distribute and prepare derivative works such as press releases and/or educational products directly or with partners. This includes use in indexes or search databases in print, electronic, or other media.

All accepted abstracts will be published online in the Annual Meeting Supplement of Obesity Surgery.

Author(s) retain the right, after presentation at the Congress, to subsequently include the work in articles, books, or derivative works that he/she authors or edits, provided said use does not imply the endorsement of IFSO.

The submitter signs for all co-authors. They accept responsibility for the rules for submission and presentation on behalf of all co-authors.

The submitter also grants and assigns, to IFSO 2024 the rights to film, record, reproduce, reprint, and otherwise make use of the works, or any presentation of the works, in any media or format, and authorize IFSO 2024 to use name, likeness, photograph, and biographical data in connection with its use and promotion of the works in connection with education works related to the Congress.


Queries relating to the call for abstracts can be directed to the IFSO 2024 Congress Office at ifso@thinkbusinessevents.com.au or +61 03 9417 1350

Submit Your Abstract