{
  "id": "AIBD-0581",
  "title": "AI-assisted aneurysm detection supports Sophia Chan's emergency treatment and recovery at Mayo Clinic",
  "summary": "Sophia Chan survived a ruptured aneurysm after AI-assisted diagnosis and emergency treatment at Mayo Clinic.",
  "date_observed": "2022-02-01",
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  "account": "In February 2022, Sophia Chan became unresponsive after an aneurysm ruptured. At Mayo Clinic in Jacksonville, AI helped clinicians locate it within minutes. She underwent surgery, although her husband was initially told that she was unlikely to survive. After weeks of stabilization, she recovered. Mayo reports that she had resumed an active family life two years later.",
  "category": "harm prevented",
  "unexpected": false,
  "purpose": "Accelerate stroke diagnosis and treatment.",
  "system": "AI analysis of brain CT images",
  "model_version": null,
  "developer": null,
  "deployer": "Mayo Clinic",
  "location": "Jacksonville, Florida, United States",
  "domain": "Stroke care",
  "segment": "Emergency patients with brain hemorrhage",
  "benefit_type": "Improved Physical Health",
  "taxonomy_note": null,
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  },
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      "kind": "report",
      "citation": "Mayo Clinic Magazine, January 2025.",
      "title": "Transforming Stroke Care and Outcomes Using AI",
      "url": "https://mayomagazine.mayoclinic.org/2025/01/ai-in-stroke-care/",
      "date": null,
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      "quote": "the AI algorithms that allowed the care team to find her aneurysm in minutes"
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      "AI-assisted imaging, surgery, and intensive care."
    ],
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      "Timely imaging, clinical review, and access to emergency treatment."
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  },
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  "headline": "AI helps locate Sophia Chan's aneurysm before emergency treatment",
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  "comparator": null,
  "later": null,
  "value": null,
  "developer_country": null,
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  "brief": null,
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    {
      "date": "2026-10-23",
      "change": "Added the case.",
      "source": "https://mayomagazine.mayoclinic.org/2025/01/ai-in-stroke-care/",
      "editor": "AIBD"
    },
    {
      "date": "2026-10-24",
      "change": "Read Mayo Clinic's original patient account and its embedded material. Kept it as one institutional source. Distinguished Sophia Chan's recovery from the page's general ischemic-stroke illustration, which does not measure her treatment time or neurons saved.",
      "source": "https://mayomagazine.mayoclinic.org/2025/01/ai-in-stroke-care/",
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            "AIBD-0581-source-0001"
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          "kind": "record_fields",
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                "AI-assisted imaging, surgery, and intensive care."
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                "date": "2026-10-24",
                "change": "Read Mayo Clinic's original patient account and its embedded material. Kept it as one institutional source. Distinguished Sophia Chan's recovery from the page's general ischemic-stroke illustration, which does not measure her treatment time or neurons saved.",
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              "The AI product and model version are unnamed.",
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          "answer": "The account leaves the AI product unnamed and does not separate its contribution from rapid access to hospital treatment. The later DISCOVERY study concerns cognition rather than verification of this rescue.",
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                "locator": "A Ticking Clock; Accelerating Diagnosis and Intervention; The Difference a Minute Can Make.",
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                  "AIBD-0581-source-0001"
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            ],
            "claim_chains": [
              {
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                  "https://mayomagazine.mayoclinic.org/2025/01/ai-in-stroke-care/"
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              },
              {
                "claim": "Background timing and neuron figures",
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                  "https://mayomagazine.mayoclinic.org/2025/01/ai-in-stroke-care/",
                  "42 Million Neurons Saved With AI Intervention infographic"
                ],
                "finding": "The 22-minute and 42-million-neuron figures concern an illustrative ischemic-stroke pathway. They are not patient-specific measurements and are not imported into this case."
              }
            ],
            "limitations": [
              "The AI product and model version are unnamed.",
              "The contribution of AI to survival is not isolated from proximity to the hospital and clinical treatment.",
              "The DISCOVERY study mentioned in follow-up concerns later cognitive outcomes, not validation of the original AI-assisted rescue."
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          "reviewed_on": "2026-10-24"
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        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Mayo Clinic’s magazine interviews Chan, her husband, and her care team. It links no independent clinical report of the episode.",
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        }
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        "state": "not_assessed",
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          "kind": "record_fields",
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        },
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      "systems[].deployment_configuration": {
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        "state": "not_assessed",
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      "systems[].model_name": {
        "state": "not_assessed",
        "review_state": "not_assessed",
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      "systems[].model_version": {
        "state": "not_assessed",
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      "systems[].product_name": {
        "state": "value_present",
        "value": {
          "kind": "record_fields",
          "fields": {
            "system": "AI analysis of brain CT images"
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        },
        "provenance": {
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        "review_state": "record_mapped",
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      "taxonomy_crosswalks[]": {
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          "kind": "record_fields",
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            "title": "AI-assisted aneurysm detection supports Sophia Chan's emergency treatment and recovery at Mayo Clinic",
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        },
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            "account": "In February 2022, Sophia Chan became unresponsive after an aneurysm ruptured. At Mayo Clinic in Jacksonville, AI helped clinicians locate it within minutes. She underwent surgery, although her husband was initially told that she was unlikely to survive. After weeks of stabilization, she recovered. Mayo reports that she had resumed an active family life two years later.",
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                "AI-assisted imaging, surgery, and intensive care."
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        "provenance": {
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        },
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    },
    "summary": {
      "total": 91,
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    }
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}