Obesity

Effectiveness of surgical interventions for managing obesity in children and adolescents: A systematic review and meta‐analysis framed using minimal important difference estimates based on GRADE guidance to inform a clinical practice guideline

Pediatr ObesPublished Systematic review and meta-analysis

Authors' conclusion

Bariatric surgery demonstrated primarily moderate to very large improvements across diverse outcomes with limited evidence of AEs, albeit with low to moderate certainty of evidence.

Study context

Population
Children and adolescents with obesity (mean age <18 years); studies published January 2012–January 2022; 66% female
Participants
6,128 children43 original studies
Comparison
Bariatric surgery vs baseline and control groups
Outcome
PROMs, cardiometabolic risk factors and anthropometry
Methodological detailsRandomized controlled trials (RCTs) and observational (controlled and uncontrolled) studies, outcomes and subgroups selected a priori by stakeholders, effects framed relative to minimal important differences (MIDs) and GRADE certainty, Most studies short-term follow-up (<18 months) only, patient-reported outcome measures (PROMs) measured in 12 (28%) studies, Uncontrolled single-arm observational (n = 49), controlled observational (n = 13) and RCT (n = 1) designs
  • RCTs and observational (controlled and uncontrolled) studies
  • Outcomes and subgroups selected a priori by stakeholders
  • Effects framed relative to MIDs and GRADE certainty
  • Most studies short-term follow-up (<18 months) only
  • PROMs measured in 12 (28%) studies
  • Uncontrolled single-arm observational (n = 49), controlled observational (n = 13) and RCT (n = 1) designs

Pooled result

As reported in the abstract

  • Large improvements in health-related quality of life vs baseline and control groups
  • Moderate to very large improvements in cardiometabolic risk factors vs baseline
  • Large to very large improvements in BMIz vs baseline across all follow-up periods
  • Low to moderate certainty of evidence

Safety

Limited evidence of adverse events (AEs), most mild or non-specific; serious AEs uncommon

Original publication

Effectiveness of surgical interventions for managing obesity in children and adolescents: A systematic review and meta‐analysis framed using minimal important difference estimates based on GRADE guidance to inform a clinical practice guideline. Pediatr Obes. Published 3 October 2024. doi:10.1111/ijpo.13119

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