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Chest Wall Reconstruction Using 3-Dimensional Printing: Functional and Mechanical Results.

Antonia A Pontiki1, Shruthi Natarajan1, Fred N H Parker1

  • 1Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom.

The Annals of Thoracic Surgery
|September 23, 2021
PubMed
Summary

Patient-specific 3D-printed prostheses offer a safe and feasible solution for chest wall reconstruction, potentially improving breathing mechanics and quality of life.

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Area of Science:

  • Biomedical Engineering
  • Thoracic Surgery
  • Medical Device Design

Background:

  • Chest wall tumors often necessitate extensive surgical resection and reconstruction.
  • Reconstruction techniques aim to restore function, cosmesis, and patient quality of life.

Purpose of the Study:

  • To evaluate the functional, cosmetic, and quality of life (QoL) outcomes of chest wall reconstruction using patient-specific 3D-printed prostheses.
  • To compare rigid and non-rigid reconstruction methods.

Main Methods:

  • Patient-specific anatomical models were 3D printed to create custom methyl methacrylate prostheses.
  • Chest wall motion symmetry was assessed postoperatively using infrared markers.
  • Quality of life was evaluated using standardized questionnaires.

Main Results:

  • Ten patients received rigid, patient-specific reconstructions; 13 had non-rigid reconstructions.
  • No complications or morbidity were reported for the prostheses.
  • Rigid reconstructions showed significantly more symmetrical breathing motion (P < .00001) compared to non-rigid ones.

Conclusions:

  • 3D patient-specific prostheses are a feasible and safe option for chest wall reconstruction.
  • This approach may lead to improved respiratory mechanics, QoL, and cosmetic outcomes.
  • Further research is warranted to confirm these preliminary findings.