Guideline / position statementindependent cross-checkabstract only checked I-BAR-11 standard review

When is weight-loss surgery recommended?

2022 American Society of Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) Indications for Metabolic and Bariatric Surgery.

Overview

Eisenberg D et al.. Obes Surg 2023 · PMID 36336720 · DOI 10.1007/s11695-022-06332-1

Surgical societies recommend it for BMI above 35 and consider it from BMI 30 with metabolic disease.

Does the study support the specific claim? No · Methodological quality: moderate

Original publication

Plain-language summary

Study explained simply
What did the researchers want to find out?

Indications

How was the study done?

Society statement

How many people, animals or samples were studied?

n/a

What was actually found?

BMI thresholds

How large was the observed effect?

n/a

What do the results mean in everyday life?

Surgery is for defined indications

What are the study's limitations?

Professional society

What does it say about Elawady's specific claim?

Contradicts blanket rejection

Do the results apply to Germany and Europe?

International

What can explicitly not be concluded from this study?

Individual decisions

Scientific in-depth review

1. Full reference

Authors
Eisenberg D et al.
Journal
Obes Surg
Year
2023
Identifier
PMID 36336720 DOI 10.1007/s11695-022-06332-1
Verification
verified – PubMed efetch 2026-10-25
Retracted
no
Corrections

Publisher correction (ErratumIn Obes Surg 2023;33(1):15-16)

Extent checked
abstract only
Conflicts of interest and funding

not stated in abstract

2. Research question

Indications for metabolic and bariatric surgery

3. Study design and population

Study design
Guideline / position statement – Professional society indication statement
Sample size

n/a

4. Methods and endpoints

5. Actual results

Results

Recommends MBS for BMI >35 regardless of comorbidities; consider for BMI 30-34.9 with metabolic disease; lower thresholds in Asian populations; states long-term results consistently demonstrate safety and efficacy.

Absolute risks

not reported

Authors' conclusion

As in results.

6. Strengths

  • International societies

7. Weaknesses

  • Surgical societies (professional interest)
  • Abstract only

8. Risk of bias

Orienting tool
none applicable
Type of assessment
simplified assessment (abstract only)
Full formal assessment
no
Overall risk of bias
not assessable

9. Assessment of the statistical interpretation

10. Relevance to the specific claim

Shows mainstream position for indicated surgery; contrast with blanket rejection.

11. Independent contrary findings

12. Transferability to Germany and Europe

International.

13. Overall methodological judgement

Mainstream indication framework.

Multidimensional assessment
Multidimensional assessment
Authenticity of the sourceverified
Methodological qualitymoderate
Risk of biasnot assessable
Precision of resultsnot applicable
Directnessdirect
Reproducibilityunknown
Consistency with the overall evidenceconsistent
Regional transferabilitymoderate
Adequacy of the interpretation (by the archive)not applicable

14. Open questions

15. Linked fact checks