{
  "id": "medical/vancomycin-trough-missed",
  "signature": "AI instructs a pharmacist to skip vancomycin trough level monitoring for a patient on day 3 of therapy, ignoring nephrotoxicity risk",
  "signature_zh": "AI指示药剂师跳过治疗第3天患者的万古霉素谷浓度监测，忽略肾毒性风险",
  "regex": "(vancomycin).*(skip|omit|no need).*(trough|level|monitoring|peak)",
  "domain": "medical",
  "category": "health_risk",
  "subcategory": null,
  "root_cause": "Vancomycin trough levels must be measured before the 4th dose (steady state) to ensure therapeutic range (15-20 mcg/mL for serious infections) and avoid nephrotoxicity. Skipping monitoring can lead to subtherapeutic levels (treatment failure) or toxic levels (acute kidney injury).",
  "root_cause_type": "generic",
  "root_cause_zh": "万古霉素谷浓度必须在第4剂前（稳态）测量，以确保治疗范围（严重感染15-20 mcg/mL）并避免肾毒性。跳过监测可能导致亚治疗水平（治疗失败）或毒性水平（急性肾损伤）。",
  "versions": [
    {
      "version": "IDSA Vancomycin Monitoring Guidelines 2020",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "DoseMeRx v3.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Epic Beacon v2023",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Vancomycin efficacy and toxicity correlate with trough (minimum concentration), not peak. Peak levels are not recommended for routine monitoring by IDSA guidelines.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "By day 5, if levels are toxic, renal injury may already be established. Standard is before 4th dose (typically day 2-3).",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Random levels do not predict AUC/MIC ratio or trough. Only trough (drawn within 30 min before next dose) is valid for dose adjustment.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Order vancomycin trough level to be drawn within 30 minutes before the 4th dose. Enter order as 'Vancomycin Trough Level' with timing instruction: 'Draw just prior to 4th dose'. If missed, draw ASAP and hold next dose until result available.",
      "success_rate": 0.95,
      "how": "Order vancomycin trough level to be drawn within 30 minutes before the 4th dose. Enter order as 'Vancomycin Trough Level' with timing instruction: 'Draw just prior to 4th dose'. If missed, draw ASAP and hold next dose until result available.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use Bayesian dosing software (e.g., DoseMeRx, InsightRX) that predicts AUC using 1-2 levels, reducing need for multiple troughs. Ensure software is calibrated for local population.",
      "success_rate": 0.9,
      "how": "Use Bayesian dosing software (e.g., DoseMeRx, InsightRX) that predicts AUC using 1-2 levels, reducing need for multiple troughs. Ensure software is calibrated for local population.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Implement automated EHR alert: 'Vancomycin therapy >48 hours without trough level ordered' with mandatory override reason.",
      "success_rate": 0.88,
      "how": "Implement automated EHR alert: 'Vancomycin therapy >48 hours without trough level ordered' with mandatory override reason.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "在第四剂前30分钟内开具万古霉素谷浓度检测。医嘱为'万古霉素谷浓度'，时间说明：'第四剂前即刻采血'。如果错过，立即采血并在结果出来前暂停下一剂。",
    "使用贝叶斯剂量软件（例如DoseMeRx、InsightRX），通过1-2个浓度预测AUC，减少多次谷浓度需求。确保软件针对本地人群校准。",
    "实施电子病历自动提醒：'万古霉素治疗>48小时未开具谷浓度'，并强制填写覆盖理由。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.idsociety.org/practice-guideline/therapeutic-monitoring-of-vancomycin-for-serious-mrsa-infections/",
  "official_doc_section": null,
  "error_code": "PHARMACY-204",
  "verification_tier": "ai_generated",
  "confidence": 0.89,
  "fix_success_rate": 0.88,
  "resolvable": "true",
  "first_seen": "2024-04-20",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}