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[In Process Citation]

Gehring1

  • 1Klinik fur Anasthesiologie, Med. Universitat, Lubeck. gehring@medinf.mu-luebeck.de

Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS
|March 17, 2000
PubMed
Summary
This summary is machine-generated.

A new portable device measures breath ethanol concentration (BrEC) to detect absorbed irrigation fluid during urosurgery. This monitoring tool, AlcoMed 3011, aids in understanding fluid absorption dynamics and patient outcomes.

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Area of Science:

  • Medical Devices
  • Surgical Monitoring
  • Anesthesiology

Background:

  • Developing accurate methods to quantify irrigation fluid absorption during endourological surgery is crucial.
  • Existing methods may have limitations in real-time monitoring during spontaneous or mechanical ventilation.
  • Breath ethanol concentration (BrEC) offers a potential non-invasive marker for absorbed fluid.

Purpose of the Study:

  • To develop and validate a portable, mains-free device for measuring BrEC.
  • To utilize BrEC monitoring for detecting and quantifying absorbed irrigation fluid during urosurgical procedures.
  • To compare fluid absorption in different patient ventilation and anesthesia settings.

Main Methods:

  • Development of a portable breath ethanol concentration (BrEC) measurement device.

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  • Validation using lung models and comparison with serum sorbitol/mannitol concentrations.
  • Clinical application during transurethral resection of the prostate (TURP) and percutaneous nephrolithotripsy (PNL).

    • Main Results:

    • Ethanol monitoring indicated more rapid and larger intravascular absorption of irrigation fluid during TURP in spontaneously breathing patients under regional anesthesia compared to mechanically ventilated patients.
    • Reduced central venous pressure may explain faster absorption in regional anesthesia.
    • Delayed extravascular absorption during PNL correlated with prolonged hospitalization and increased opioid use.

    Conclusions:

    • The developed AlcoMed 3011 device effectively detects and quantifies absorbed irrigation fluid during urosurgery.
    • BrEC monitoring provides valuable insights into irrigation fluid absorption dynamics and patient outcomes.
    • This technology enhances patient safety and management in urological procedures.