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Case case_9d426d13-ad09-4982-8e25-b4163f3defcb

Status: open · suspected: LCBI

🤖 AI final determination

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✅ Rule-based evaluator: Meets LCBI 1 for Escherichia coli — HO (HD 4).

Suspected event type LCBI
Date of Event (DoE) 2026-04-15
Hospital day at DoE 4
Onset HO
Infection Window Period 2026-04-12 → 2026-04-18
Repeat Infection Timeframe 2026-04-15 → 2026-04-28 (DoE + 13)
Meets LCBI 1 ✅ Yes
Meets LCBI 2 ❌ No
Meets CLABSI ❌ No
MBI organism present ✅ Yes (eligible for MBI-LCBI if host criteria met)
Why this verdict (6 steps)
  1. Date of Event = 2026-04-15 (from case row).
  2. Admitted 2026-04-12 (HD 1) → DoE on HD 4 → onset = HO.
  3. Infection Window Period = 2026-04-12 to 2026-04-18; RIT = 2026-04-15 to 2026-04-28.
  4. No central line documented — any LCBI here is NOT a CLABSI.
  5. Escherichia coli is a recognized Pathogen — a single positive blood culture is sufficient. **Meets LCBI 1.**
  6. Escherichia coli is an MBI-eligible organism. If host criteria (allogeneic HSCT + grade III/IV GVHD or ≥1L diarrhea/24h, OR neutropenia ANC <500 ×2 within 7d) are met, classify as MBI-LCBI rather than CLABSI.

Patient & admission

Patient ref
MR-PERF
Unit
—
Admitted
2026-04-12
Discharged
— still admitted —
Age
—
Detected
2026-04-30T02:43:51.254Z

Discharge & validation

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Peer validation

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Cultures, devices, and symptoms can be added as more lab results come in over the next few days.

Organisms

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Cultures (1)

Type Collected Findings Status
+ blood 2026-04-15
  • Escherichia coli
Meets LCBI 1 (single positive recognized pathogen)

Devices (0)

None on file.

Symptoms (0)

None on file.

Hospital-day calendar

Visualizes admission, culture date(s), symptom onset, IWP and RIT windows. Particularly useful for long stays — scroll the table.

Admission (HD 1) Culture date (anchors the IWP) Date of Event (DoE) Infection Window Period (culture ± 3 d) Repeat Infection Timeframe (DoE through DoE + 13 d) Symptom onset
HDDateAdmissionCultureSymptomDoE IWP RIT
HD 12026-04-12🏥 ✓
HD 22026-04-13 ✓
HD 32026-04-14 ✓
HD 42026-04-15🧪 Culture🎯 DoE ✓ ✓
HD 52026-04-16 ✓ ✓
HD 62026-04-17 ✓ ✓
HD 72026-04-18 ✓ ✓
HD 82026-04-19 ✓
HD 92026-04-20 ✓
HD 102026-04-21 ✓
HD 112026-04-22 ✓
HD 122026-04-23 ✓
HD 132026-04-24 ✓
HD 142026-04-25 ✓
HD 152026-04-26 ✓
HD 162026-04-27 ✓
HD 172026-04-28 ✓
HD 182026-04-29

The IWP (2026-04-12 to 2026-04-18) is anchored on the culture date per NHSN PSC Ch.2 — symptoms inside it count toward the surveillance criteria; symptoms outside don't. The Date of Event (DoE) is 2026-04-15 — the urine culture is the earliest criterion element (no qualifying symptom precedes it). The RIT (2026-04-15 to 2026-04-28) is the 14-day window during which no new event of the same type can be reported, anchored on DoE (DoE through DoE + 13).