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[Does tissue pH measurement quantify circulation in the transplanted bronchus in lung transplantation]
W Weder1, H Date, H Schreinemakers
1Departement Chirurgie, Universitätsspital Zürich.
Helvetica Chirurgica Acta
|February 1, 1991
Summary
This study introduces a novel pH needle probe for monitoring airway ischemia during lung transplantation. The probe demonstrated potential in assessing tracheal health, with omental wrapping improving outcomes in canine models.
Area of Science:
- Biomedical Engineering
- Surgical Innovation
- Transplantation Research
Context:
- Airway ischemia is a critical complication in lung transplantation.
- Tissue pH monitoring is established for ischemia detection in other organs.
- Bronchoscopic pH measurement offers a minimally invasive approach for airway assessment.
Purpose:
- To develop and evaluate a pH needle probe for real-time bronchus mucosa pH measurement.
- To assess the impact of omental pedicle flap wrapping on tracheal transplant viability.
- To correlate pH measurements with tracheal stenosis and histological outcomes.
Summary:
- A pH needle probe was utilized in a canine model of tracheal autotransplantation.
- Omental wrapping was compared to a control group, with measurements taken postoperatively and at intervals up to 20 days.
- The omentum group showed improved outcomes, with fewer instances of severe tracheal stenosis compared to the control group.
Impact:
- The developed pH probe enables repeated, localized assessment of airway tissue health.
- Findings suggest omental wrapping may mitigate ischemia-related complications in tracheal transplantation.
- This technology could enhance monitoring and management of lung transplant recipients.