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Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo
Published on: July 1, 2013
Collagen membranes for host-implant integration: a pilot clinical study
Saminathan Suresh Nathan1, Edwin Ravanzo Guerzon, Kishore Bhavanam
1Department of Orthopedic Surgery, National University of Singapore, Singapore. dosssn@nus.edu.sg
Journal of Orthopaedic Surgery (Hong Kong)
|August 23, 2011
Summary
Collagen membranes aided host-implant integration in limb salvage surgery for musculoskeletal tumors. While some wound healing issues occurred, the membrane showed good results for specific joint reconstructions, facilitating ligament repair.
Area of Science:
- Orthopedic Oncology
- Biomaterials Science
- Surgical Reconstruction
Background:
- Limb salvage surgery is crucial for treating musculoskeletal oncological diseases.
- Effective host-implant integration is vital for successful reconstruction outcomes.
- Collagen membranes offer potential for enhancing tissue integration in orthopedic procedures.
Purpose of the Study:
- To evaluate host-implant integration using collagen membranes (Tutomesh) in patients undergoing limb salvage surgery.
- To assess the efficacy of collagen membranes in reconstructions for various musculoskeletal tumors.
- To analyze clinical outcomes and complications associated with collagen membrane use.
Main Methods:
- A cohort of 14 patients (10-69 years) with musculoskeletal tumors underwent limb salvage surgery with collagen membranes.
- Procedures included resections of the humerus, scapula, femur, tibia, and knee soft tissues, with 10 patients receiving endoprosthesis reconstruction.
- Clinical outcomes were evaluated using Short Form-36, Toronto Extremity Salvage Score (TESS), and Musculoskeletal Tumor Society Score (MSTS).
Main Results:
- Three patients experienced wound healing problems following tibial or femoral resections.
- No infections or implant removals due to foreign body reactions were reported.
- Patients with type II or III reconstructions showed comparable functional scores to those without membranes, with notable benefits in type II reconstructions.
Conclusions:
- The Tutomesh collagen membrane effectively facilitated host-implant integration.
- The membrane provided a feasible solution for anatomic reconstruction of ligaments in the shoulder, knee, and hip.
- Collagen membranes represent a promising adjunct for complex orthopedic reconstructions in oncology patients.
