Domains · Aging in Place · Issue

UTI (delirium + sepsis cascade)

Break the UTI → delirium → sepsis cascade. Roughly one in three sepsis cases starts as a UTI, and untreated infection is a leading driver of hospitalization and loss of independence in older adults. This is the smart-seat wedge.

Also touches: Female Health · Male Health · Community Health
Biomarkers

  • Nitrites (urine)

    Bacterial reduction of urinary nitrate. Specific marker for gram-negative bacteriuria.

  • Leukocyte esterase

    Enzyme from white blood cells in urine. Sensitive marker for urinary tract inflammation.

  • pH (urine)

    Urine acidity. Drift signals diet, hydration, infection risk, and renal function.

  • Blood (urine)

    Haemoglobin in urine. Tracks UTI severity, stones, and urological pathology.

  • Specific gravity

    Urine concentration. Direct hydration signal.

Sensors

  • Urinalysis test strip

    10-parameter reagent strip read at the seat. Captures pH, nitrites, leukocytes, glucose, blood, protein, ketones, urobilinogen, bilirubin, and specific gravity from each void.

  • Urine spectroscopy (optical / SERS)

    Non-contact optical analysis of urine in the bowl or stream. Uses vis-NIR absorbance, fluorescence, and surface-enhanced Raman spectroscopy (SERS) to fingerprint analytes without consumables. Calibrates against the same biochemistry strips read by urinalysis.

Open questions
  1. 01

    How might we catch UTI before symptoms in older women and recurrent-infection cohorts?

  2. 02

    How might we prevent UTI from escalating to urosepsis through seat-derived early warning?

  3. 03

    How might we turn passive bathroom data into a clinical handoff primary care will act on?

  4. 04

    How might we break the UTI → delirium → fall cascade in aging-at-home populations?

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