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Optimizing Lung Transplant Logistics Using Controlled Hypothermic Preservation to Extend Ischemic Time.

Mena M Botros1, Alhusain Alsaghayer2, Christopher Tanabe1

  • 1Department of Medicine, Division of Pulmonary and Critical Care Medicine, Houston Methodist Hospital, Houston, TX.

Transplantation Direct
|July 6, 2026
PubMed
Summary

Controlled hypothermic preservation (CHP) offers a safe alternative to traditional ice storage for donor lungs, extending ischemic times without impacting patient outcomes. This method improves organ acceptance and operating room efficiency.

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Area of Science:

  • Transplantation research
  • Organ preservation techniques
  • Medical device innovation

Background:

  • Effective organ preservation is crucial for transplant success but often limited by logistical constraints.
  • Current standard involves cold solution flushing and ice storage, restricting transplant viability to within 8 hours.
  • Controlled hypothermic preservation (CHP) at 4-8°C is emerging as a method to extend organ ischemic times.

Purpose of the Study:

  • To compare early outcomes of lung transplants using Controlled Hypothermic Preservation (CHP) versus traditional ice storage.
  • To evaluate the impact of CHP on patient outcomes and logistical efficiency.
  • To assess the safety and efficacy of CHP for extending ischemic times in donor lungs.

Main Methods:

  • A comparative study involving 41 lung transplants using CHP (LUNGguard device) and 41 using traditional ice storage.
  • Evaluation of key outcomes including 1-year mortality, primary graft dysfunction, hospital length of stay, and respiratory support duration.
  • Focus on optimizing operating room, transplant team, and recipient logistics through extended ischemic times.

Main Results:

  • No significant differences in patient outcomes were observed between the CHP and ice storage groups.
  • CHP facilitated additional organ procurement in selected cases.
  • Improved operating room logistics were noted when utilizing CHP for extended preservation.

Conclusions:

  • Controlled hypothermic preservation (CHP) is a safe and effective method for extending ischemic times in donor lungs.
  • CHP increases donor lung acceptance and enhances operating room efficiency.
  • Evidence supports a shift towards CHP as the standard for donor lung storage, particularly for extended preservation periods.