{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "abdominal-aortic-aneurysm",
  "title": "Abdominal aortic aneurysm",
  "description": "An infrarenal abdominal aortic aneurysm on the blood vessels, from a small aneurysm under surveillance to one large enough to repair, or rupture into the retroperitoneum, with the renal arteries, iliac arteries and inferior mesenteric artery that shape the repair, and ultrasound, CT and observations at each stage. Model licensed CC BY-SA 2.1 JP.",
  "registryDependencies": [
    "@organui/disease-viewer",
    "@organui/vessels"
  ],
  "files": [
    {
      "path": "registry/base-nova/abdominal-aortic-aneurysm/abdominal-aortic-aneurysm.tsx",
      "content": "import { diseaseModel, type Disease } from \"@/components/disease-model\"\nimport {\n  DiseaseViewer,\n  type DiseaseViewerProps,\n} from \"@/components/disease-viewer\"\nimport { vesselsModel } from \"@/components/vessels\"\n\n// An infrarenal abdominal aortic aneurysm, the commonest kind: silent while it\n// grows, so it is found by screening or by chance, and its size decides when\n// the risk of rupture outweighs the risk of repair.\nexport const abdominalAorticAneurysm: Disease = {\n  name: \"Abdominal aortic aneurysm\",\n  code: \"I71.4\",\n  summary:\n    \"A permanent widening of the abdominal aorta to 3 cm or more, most often below the kidneys, in older men who smoke. It grows silently, often slowly, and is repaired once the risk of rupture is high.\",\n  scales: [\n    {\n      id: \"vessels\",\n      label: \"Blood vessels\",\n      model: vesselsModel,\n      defaultView: \"Abdomen and pelvis\",\n      findings: {\n        \"abdominal-aorta\": {\n          affected: true,\n          description:\n            \"Below the renal arteries the wall has weakened as elastin and smooth muscle break down, and the aorta has widened to 4.2 cm. A pulsatile, expansile mass may be felt above the navel, but most cause no symptoms.\",\n        },\n        \"thoracic-aorta\": {\n          affected: false,\n          description:\n            \"Normal here. An aneurysm can also form in the chest, so the CT angiogram before a repair covers the whole aorta.\",\n        },\n        \"renal-arteries\": {\n          affected: false,\n          description:\n            \"Arise from normal aorta above the aneurysm. The length of healthy neck below them decides whether a stent graft can seal there.\",\n        },\n        \"common-iliac-arteries\": {\n          affected: false,\n          description:\n            \"Normal here, though the aneurysm often extends into them, and they carry the stent graft's legs.\",\n        },\n        \"inferior-mesenteric-artery\": {\n          affected: false,\n          description:\n            \"Arises from the front of the aneurysm. A repair covers or ties it, and the left colon then relies on its other supply.\",\n        },\n        \"superior-mesenteric-artery\": {\n          affected: false,\n          description: \"Arises from normal aorta above the aneurysm.\",\n        },\n        \"inferior-vena-cava\": {\n          affected: false,\n          description:\n            \"Lies to the right of the aorta, close to it but not involved.\",\n        },\n        \"popliteal-arteries\": {\n          affected: false,\n          description:\n            \"Normal here. About one in ten people with an aortic aneurysm also has a popliteal one, so both knees are examined.\",\n        },\n      },\n    },\n  ],\n  stages: [\n    {\n      id: \"small\",\n      label: \"Small\",\n      time: \"Years\",\n      summary:\n        \"From 3.0 to 5.4 cm, growing a few millimetres a year. Found by screening or on a scan for something else. Watched with ultrasound, as repair carries more risk than rupture at this size; stopping smoking slows growth.\",\n    },\n    {\n      id: \"large\",\n      label: \"Large\",\n      time: \"Years later\",\n      summary:\n        \"At 5.5 cm or more (5.0 cm in women) the risk of rupture outweighs the risk of repair, as it does for one over 4 cm growing more than 1 cm a year, or one causing symptoms. Repaired with a stent graft or open surgery.\",\n      findings: {\n        vessels: {\n          \"abdominal-aorta\": {\n            affected: true,\n            description:\n              \"Widened to 5.8 cm, lined with layered clot that leaves a channel for flow. Tenderness or back pain means it may be about to rupture and needs same-day review.\",\n          },\n          \"common-iliac-arteries\": {\n            affected: true,\n            description:\n              \"Dilated to 2 cm where the aneurysm continues into them. The stent graft's legs can still seal here, with wider flared ends.\",\n          },\n        },\n      },\n      investigations: [\n        { name: \"CT angiogram\", result: \"5.8 cm aneurysm\", flag: \"abnormal\" },\n        { name: \"Infrarenal neck\", result: \"18 mm long\" },\n        { name: \"eGFR\", result: \"62 mL/min\", flag: \"low\" },\n        { name: \"Echo\", result: \"Normal function\" },\n      ],\n    },\n    {\n      id: \"ruptured\",\n      label: \"Ruptured\",\n      alternative: true,\n      time: \"Without repair\",\n      summary:\n        \"Sudden abdominal or back pain and collapse, sometimes with a pulsatile mass. About 8 in 10 die, many before reaching hospital; the rest need repair within hours. Rupture is rare below 5.5 cm.\",\n      findings: {\n        vessels: {\n          \"abdominal-aorta\": {\n            affected: true,\n            description:\n              \"Ruptured through its back wall into the retroperitoneum, where the surrounding tissue briefly contains the bleeding. A rupture into the free abdomen is rapidly fatal.\",\n          },\n          \"inferior-vena-cava\": {\n            affected: false,\n            description:\n              \"Squeezed by the blood around it. Rarely the aneurysm ruptures into it, an aortocaval fistula.\",\n          },\n        },\n      },\n      investigations: [\n        { name: \"Blood pressure\", result: \"78/40 mmHg\", flag: \"low\" },\n        { name: \"Haemoglobin\", result: \"84 g/L\", flag: \"low\" },\n        { name: \"Lactate\", result: \"5.2 mmol/L\", flag: \"high\" },\n        {\n          name: \"CT angiogram\",\n          result: \"Retroperitoneal haematoma\",\n          flag: \"abnormal\",\n        },\n      ],\n    },\n  ],\n  events: [\n    {\n      stage: \"small\",\n      label: \"Screening\",\n      time: \"Men at 65\",\n      description:\n        \"In the UK, a single ultrasound of the aorta for men in the year they turn 65, which halves deaths from rupture.\",\n    },\n    {\n      stage: \"small\",\n      label: \"Surveillance\",\n      description:\n        \"Ultrasound every year from 3.0 to 4.4 cm and every three months from 4.5 to 5.4 cm, with help to stop smoking, a statin, blood pressure control and usually aspirin, for the heart risk that comes with it.\",\n    },\n    {\n      stage: \"large\",\n      label: \"Referral\",\n      time: \"Within 2 weeks\",\n      description:\n        \"To a vascular service, which assesses fitness for surgery and plans the repair on a CT angiogram.\",\n    },\n    {\n      stage: \"large\",\n      label: \"Repair\",\n      description:\n        \"Open repair replaces the aneurysm with a graft; a stent graft (EVAR) placed through the groin is easier to recover from but needs lifelong scans to check it stays sealed.\",\n    },\n    {\n      stage: \"ruptured\",\n      label: \"Emergency repair\",\n      description:\n        \"Straight to theatre, giving only enough fluid to keep the patient conscious until the aorta is clamped or sealed. EVAR is preferred when the anatomy allows.\",\n    },\n  ],\n  investigations: [\n    { name: \"Ultrasound aorta\", result: \"4.2 cm\", flag: \"high\" },\n    { name: \"Blood pressure\", result: \"152/88 mmHg\", flag: \"high\" },\n    { name: \"Smoking\", result: \"Current\", flag: \"abnormal\" },\n  ],\n}\n\n/** The vessels with a small aneurysm, the stage the viewer opens on. */\nexport const abdominalAorticAneurysmModel = diseaseModel(\n  abdominalAorticAneurysm\n)\n\nexport type AbdominalAorticAneurysmProps = Omit<DiseaseViewerProps, \"disease\">\n\nexport function AbdominalAorticAneurysm(props: AbdominalAorticAneurysmProps) {\n  return <DiseaseViewer disease={abdominalAorticAneurysm} {...props} />\n}\n",
      "type": "registry:component"
    }
  ],
  "docs": "Abdominal aortic aneurysm docs: https://organui.com/docs/components/abdominal-aortic-aneurysm. It reuses the vessels model, licensed CC BY-SA 2.1 JP (https://creativecommons.org/licenses/by-sa/2.1/jp/deed.en); keep the viewer's credit visible. Educational, not for diagnosis.",
  "categories": [
    "disease",
    "cardiovascular"
  ],
  "type": "registry:component"
}