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Flail Chest-II

Flail Chest-II

Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
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History:

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Updated: Nov 30, 2025

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

Published on: November 6, 2015

Optimal chest wall prosthesis: comparative study of mechanical and functional behaviour.

Paolo Nicola Camillo Girotti¹, Ingmar Königsrainer¹, Ugo Pastorino²

¹Department of General and Thoracic Surgery, Landeskrankenhaus Feldkirch, Feldkirch, Austria.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery

|November 14, 2020

Summary

This study evaluated prosthetic materials for chest wall reconstruction, finding polymethylmethacrylate offers optimal lightness and resistance for skeletal reconstruction after chest wall resections.

Keywords:

Chest wall Prosthesis Reconstruction Ribs Thoracic surgery

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Area of Science:

Biomedical Engineering
Materials Science
Thoracic Surgery

Background:

Chest wall resections for tumors, infection, or trauma often necessitate skeletal prosthetic reconstruction.
Defects exceeding specific dimensions (anterior >5cm, posterior >10cm) or involving >3 ribs require robust prosthetic solutions.

Purpose of the Study:

To evaluate the biomechanical strength of anatomical chest wall prostheses made from various materials.
To assess the performance of these prostheses under critical loading conditions simulating physiological stresses.

Main Methods:

Finite element analysis (FEA) was employed to simulate the biomechanical behavior of prosthetic materials.
FEA results were validated through mechanical testing of 3D polymethylmethacrylate (PMMA) ribs, mimicking native ribcage anatomy.

Main Results:

Prosthetic materials and PMMA ribs were tested under sternal, lateral, and vertical loads.
FEA simulations accurately predicted fracture locations and numbers, with experimental validation showing minimal displacement error (<5%) and no microcracking.

Conclusions:

All tested prosthetic materials demonstrate optimal mechanical resistance and organ protection for chest wall reconstruction.
Polymethylmethacrylate is a suitable candidate due to its favorable combination of lightness, resistance, and prosthetic weight.