Background: Pulmonary diseases are the third leading cause of morbidity worldwide, however treatment
and diagnosis of these diseases continue to be challenging due to the complex anatomical structure as well
as physiological processes in the lungs.
Methods: 3D printing is progressively finding new avenues in the medical field and this technology is constantly
being used for diseases where diagnosis and treatment heavily rely on the thorough understanding of complex
structural-physiology relationships. The structural and functional complexity of the pulmonary system makes it
well suited to 3D printing technology.
Results: 3D printing can be used to deconstruct the complex anatomy of the lungs and improve our understanding
of its physiological mechanisms, cell interactions and disease pathophysiology. Thus, this technology can be quite
helpful in the discovery of novel therapeutic targets, new drugs and devices for the treatment of lung diseases.
Conclusion: The intention of this review is to detail our current understanding of the applications of 3D printing
in the design and evaluation of inhalable medicines and to provide an overview on its application in the diagnosis
and treatment of pulmonary diseases. This review also discusses other technical and regulatory challenges associated
with the progression of 3D printing into clinical practice.
Keywords: 3D printing, Lungs, Inhalable medicine, Clearance, respiratory diseases,
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