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Procedure for Lung Engineering
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Toward a Long-Term Artificial Lung.

Jutta Arens1,2, Oliver Grottke3, Axel Haverich4

  • 1From the Chair in Engineering Organ Support Technologies, Department of Biomechanical Engineering, Faculty of Engineering Technologies, University of Twente, Enschede, The Netherlands.

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|August 3, 2020
PubMed
Summary
This summary is machine-generated.

Developing a long-term artificial lung faces challenges like clot formation and membrane fouling, hindering its use as an implantable device. Overcoming these requires interdisciplinary research into biocompatibility, anticoagulation, and system optimization.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Translational Medicine

Background:

  • Limited donor organs restrict transplantation for end-stage organ failure.
  • Existing artificial organs like ventricular assist devices offer therapeutic options for heart failure.
  • Long-term artificial lung systems are underdeveloped, unlike short-term extracorporeal lung support.

Purpose of the Study:

  • To highlight the critical need for developing implantable artificial lungs for long-term use.
  • To identify key challenges hindering the development of artificial lungs.
  • To emphasize the necessity of interdisciplinary research for advancing artificial lung technology.

Main Methods:

  • Analysis of current limitations in artificial lung technology.
  • Identification of critical research areas including biocompatibility, anticoagulation, flow optimization, and miniaturization.
  • Emphasis on the need for validated in vitro and in vivo testing protocols.

Main Results:

  • Biocompatibility issues lead to clot formation in artificial lungs.
  • Protein, cell, and fibrin deposition on membranes reduce gas exchange efficiency.
  • Current technologies do not permit long-term implantation of artificial lungs.

Conclusions:

  • Significant advancements in biocompatibility, anticoagulation, flow dynamics, and miniaturization are required for long-term artificial lung function.
  • Development necessitates coordinated basic and translational research.
  • Interdisciplinary collaboration among scientists and engineers is crucial for creating a functional, implantable artificial lung.