Total sternal reconstruction using a titanium plate-supported methyl methacrylate sandwich
Taek Yeon Lee1, Anthony L Estrera, Hazim J Safi
1Department of Cardiothoracic and Vascular Surgery, The University of Texas at Houston Medical School, Memorial Hermann Heart and Vascular Institute, Houston, Texas 77030, USA.
The Annals of Thoracic Surgery
|July 24, 2007
Summary
A novel methyl methacrylate polypropylene sandwich with titanium plates enabled total sternal reconstruction. This surgical approach successfully weaned a patient from mechanical ventilation after prior failed attempts.
Area of Science:
- Cardiothoracic Surgery
- Biomaterials Science
- Medical Device Engineering
Background:
- Sternal defects pose significant challenges in reconstructive surgery.
- Previous attempts at ventilator weaning were unsuccessful, indicating persistent respiratory compromise.
- Titanium plates and methyl methacrylate (MMA) are established materials in orthopedic and reconstructive surgery.
Observation:
- A patient presented with a complex sternal defect requiring total sternal reconstruction.
- A "sandwich" construct of methyl methacrylate and polypropylene was utilized.
- The reconstruction was secured using titanium plates.
Findings:
- The methyl methacrylate polypropylene sandwich reconstruction provided stable sternal closure.
- The patient was successfully weaned from mechanical ventilation within 6 days post-reconstruction.
- This demonstrates the efficacy of the novel biomaterial construct in restoring chest wall integrity and function.
Implications:
- This surgical technique offers a viable solution for complex sternal defects.
- The biomaterial composite may improve patient outcomes by facilitating early ventilator liberation.
- Further research into MMA-polypropylene composites could lead to advancements in reconstructive surgery.


