AI Article Synopsis
- Proximal femur tumor resections often result in hip instability and functional loss, prompting this study to assess the effectiveness of the ligament advanced reinforcement system (LARS) tumor tube for hip reconstruction in patients undergoing artificial hip replacement surgery.
- The study followed 85 patients with varying types of proximal femoral tumors, collecting clinical, imaging, and intraoperative data, while evaluating their postoperative recovery through established scoring systems.
- Results indicated that the LARS tumor tube is beneficial in enhancing soft tissue function, significantly reduces complications like deep vein thrombosis and infections, and improves overall hip joint function post-surgery.
Article Abstract
Objectives: Proximal femur tumor resection often leads to hip joint instability and functional loss. Various methods have been clinically applied to repair hip joint soft tissue function, but deficiencies remain. This study aims to evaluate the advantages and disadvantages of the ligament advanced reinforcement system (LARS) tumor tube in assisting soft tissue function reconstruction in patients undergoing tumor type artificial hip replacement surgery.
Methods: This study included 85 patients (41 males, 44 females) with proximal femoral tumors treated at the Xiangya Bone Tumor Treatment Center from January 2012 to January 2022, aged 10 to 79 (38.5±18.2) years. Among them, 13 cases had benign aggressive tumors, 45 had primary malignant bone tumors, and 27 had bone metastases. Clinical data, imaging data, and intraoperative photos were collected. Patients were followed up and postoperative functional evaluations were conducted using the Musculoskeletal Tumor Society (MSTS) scoring system and Harris hip joint scoring system to assess limb function and hip joint function.
Results: Preoperative pathological fractures were present in 37 cases (43.5%), with a lesion length of (9.4±2.9) cm. Among non-metastatic tumor patients, 7 experienced postoperative recurrence, including 6 cases of osteosarcoma and 1 case of fibrosarcoma. Pulmonary metastases occurred in 9 osteosarcoma patients. Five patients required reoperation due to postoperative complications, including 3 cases of deep vein thrombosis, 1 case of giant cell granuloma, and 1 case of prosthesis infection. Postoperatively, 5 patients exhibited Trendelenburg gait, and 6 had leg length discrepancies. The postoperative MSTS score was 26.7±1.4, and the Harris score was 89.6±5.3.
Conclusions: The LARS tumor tube can effectively assist in reconstructing the soft tissue function of the hip joint and greatly reduce postoperative complications, making it an effective technical improvement in joint function reconstruction in tumor type artificial hip replacement surgery.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11255192 | PMC |
| http://dx.doi.org/10.11817/j.issn.1672-7347.2024.230324 | DOI Listing |
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