目的通过对股骨头缺血性坏死介入治疗的临床应用分析，评价该手术的临床意义.方法采用Seldinger技术插管成功后对髂动脉进行造影，将扩张血管、溶栓、改善微循环及活血化瘀作用的药物采用间断加压脉冲方法注入缺血性坏死股骨头的供血动脉旋股内、外动脉及髂内动脉.术后继续运用溶栓和扩血管药物，连用7天，卧床休息1个月，可重复下一次介入治疗.治疗前后对临床症状及影像学表现进行对比研究.结果介入治疗后疼痛的缓解或改善占99.6%，经X线、CT复查示原坏死区域均有不同程度的骨质修复，新骨形成.DSA显示股骨头供血小动脉增粗，细小动脉增多，显影时间缩短.仅1例骨质改善轻微或不明显.结论改善或重建股骨头的血液循环是治疗Ⅲ期以前股骨头缺血性坏死的关键，介入治疗可以有效地达到这个目的，具有积极的临床应用价值.% Objective To avascular necrosis of the femoral head in clinical application of interventional treatment, evaluation of the postoperative clinical significance. Methods Using Seldinger technology after successful intubation of iliac artery angiography, will dilate blood vessels, thrombolysis, improving microcirculation and promoting blood circulation and removing blood stasis drugs using intermittent pressure pulse method into the avascular necrosis of the femoral head blood supply artery circumflex femoral internal, external artery and internal iliac artery. Postoperative continue to use thrombolysis and vasodilator drugs, bed rest for 7 days,1 months, can be repeated next interventional therapy. Before and after treatment, clinical symptoms and radiographic findings of comparative study. Results After interventional therapy pain relieved or improved accounted for 99.6%, the X-ray, CT review shows the original necrotic regions have different levels of bone repair, new bone formation. DSA display of femoral head blood supply arteriolar thickening, small artery increased, shorten the time of developing. Only 1 cases of bone to improve mild or vague. Conclusion Improvement or reconstruction of the femoral head blood circulation is the treatment of stage III previously avascular necrosis of the femoral head key, interventional therapy can effectively achieve the purpose, has a positive value in the clinical application.
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