{
  "id": "SCR-LIP-000208",
  "statement": "In patients with lipedema (mean baseline BMI 48.5), bariatric surgery (sleeve gastrectomy or RYGB) reduced adjusted thigh volume by 33.4% at first follow-up, comparable to the 37.0% reduction in lymphedema controls (p>0.999), with greater reduction in those with BMI ≥50 (44.4% vs 33.2% for BMI 35-<50) and reduction correlating with excess BMI loss.",
  "statement_pt": "Em pacientes com lipedema (IMC basal médio 48,5), a cirurgia bariátrica (gastrectomia vertical ou bypass em Y de Roux) reduziu o volume ajustado da coxa em 33,4% no primeiro seguimento, de forma comparável à redução de 37,0% em controles com linfedema (p>0,999), com redução maior naqueles com IMC ≥50 (44,4% vs 33,2% para IMC 35-<50), correlacionando-se com a perda de excesso de IMC.",
  "claim_type": "clinical_association",
  "context": {
    "population": "—",
    "condition": "lipedema",
    "exposure": "—",
    "comparator": "—",
    "outcome": "—",
    "scope": "auto-ingested from Layer 1 surveillance"
  },
  "knowledge_state": "emerging",
  "evidence_confidence": "moderate",
  "evidence": [
    {
      "ref": "DOI:10.1159/000511044",
      "stance": "supporting",
      "study_design": "cohort",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "moderate",
      "year": 2020,
      "amato_authored": false,
      "note": "The article directly examines the effect of bariatric surgery on thigh volume and weight loss in lipedema patients, reporting significant volume reduction comparable to controls and correlated with BMI loss, directly addressing whether subs",
      "title": "Leg Volume in Patients with Lipoedema following Bariatric Surgery",
      "authors": "Fink et al.",
      "journal": "Visceral Medicine"
    }
  ],
  "relations": [],
  "gaps": "Auto-ingested single source; not yet human-reviewed.",
  "primary_amato_source": null,
  "curators": [],
  "provenance": {
    "auto": true,
    "engine": "anthropic/claude-opus-4.8",
    "question": "SQ-LIP-000024",
    "source": "library",
    "ingested": "2026-05-31"
  },
  "created": "2026-05-31",
  "updated": "2026-05-31",
  "history": [
    {
      "date": "2026-05-31",
      "event": "created",
      "detail": "auto-ingested for SQ-LIP-000024"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000024",
      "role": "supporting",
      "question": "Does bariatric surgery or substantial weight loss alter lipedema fat volume or symptoms?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000024.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000208.html"
}