1.The clinical study in treating the avascular necrosis of femoral head with computer navigated core decompression and bone marrow stream cell transportation
Lin GUO ; Dewei ZHAO ; Ruixin ZHEN ; Fengde TIAN ; Lei YANG ; Benjie WANG ; Daiping CUI ; Jii ZHAO ; Yadong DOU
Journal of Chinese Physician 2010;12(12):1608-1611
Objective To evaluate the safety and accuracy in treating the avascular necrosis of femoral head (ANFH) with computer navigated core decompression and bone marrow stream cell transportation and to guide the clinical treatment. Method Within the prospective study, 36 patients suffered ANFH (ARCO Ⅰ - Ⅱ ) and treated with computer navigated core decompression and bone marrow stream cell transportation were studied. The operating time, blood loss, x ray exposure, preoperative and 6 week postoperative Harris score and imaging evaluation were recorded and compared with conventional core decompression and bone marrow stream cell transportation. Results There were no obvious difference between the two groups in imaging evaluation, operating time and blood loss ( P ＞ 0. 05 ). There were statistical difference between the two groups in x ray exposure and 6 week postoperative Harris score [ (4. 1 ± 1.8 ) s,(13.6±3.2)s,P ＜0. 01,and89.4±10. 1,83.1±10. 5, P ＜0.01]. Conclusion Computer navigated core decompression and bone marrow stream cell transportation have good security and precision in treating early stage ANFH.
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