Abstract
To observe necrotic findings of the femoral head through the endoscopic examination when performing the decompression procedure widely used in the treatment of osteonecrosis of femoral head. To assess the efficacy of injection of bone marrow aspirated from the iliac crest and new vascularized bone graft into the core of femoral head based on the endoscopic findings. The first stage of osteonecrosis of femoral head based on ARCO classification includes 23, second stage 36, and third stage eightfemoral heads. Bone marrow transplantations have been performed in 49 hip joints and new vascularized bone grafts in 18 hip joints. The endoscopic findings of osteonecrosis of femoral heads are varied, and they can be divided into fivecategories. The average time in core decompression and bone marrow injection was 15minutes, and the average time of new pedicled bone grafts was 65minutes (45-90minutes). The efficacy of bone marrow injection was 93.88%, and the efficacy of vascularized bone graft was 94.44% when performed based on the endoscopic findings. It is possible to increase the treatment efficacy of the osteonecrosis of the femoral head when appropriate additional treatments are applied based on endoscopic findings in the decompression procedures of pre-collapse osteonecrosis of the femoral head.
Published Version
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