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Soft tissue reconstruction technique improves outcomes for patients undergoing limb salvage surgery
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In this pilot study, the use of ligament advanced reinforcement system soft tissue reconstruction in combination with a megaprosthesis reconstruction provided good results for patients with osteosarcoma and chondrosarcoma.
“The early results show that [ligament advanced reinforcement system] LARS is a safe and effective alternative choice to facilitate soft tissue reconstruction in prosthetic reconstructions after tumor resection, providing good muscles reattachment and improving joint stability,” Tao Ji, MD, and colleagues from the Musculoskeletal Tumor Center in People’s Hospital at Peking University in Beijing, China, wrote in the study.
In the study, 7 patients received megaprosthesis reconstruction following tumor resection in combination with soft tissue reconstruction using LARS. The average Musculoskeletal Tumor Society 93 score was 81% for all patients. Patients with proximal femur replacements had 80° flexion, and 2 patients underwent both proximal femur and acetabular resection. Range of motion (ROM) for active extension was 5° to 10°, and ROM for abduction and adduction were satisfactory, Ji and colleagues noted. On average, internal rotation was 18.3° and external rotation was 26.7°.
Active flexion for patients with reconstruction around the knee was 90° and the mean functional outcome was 82.5%. The researchers reported no infection; however, one patient with osteosarcoma of the proximal femur died from disease 24 months after articular resection.
Disclosure: Ji has no relevant financial disclosures.
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