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什么是儿童慢性化脓性骨髓炎?

来源:华人健康网 | 发布时间:2010-12-17 10:15:39 | www.chinesejk.com
小儿慢性化脓性骨髓炎可发生于任何年龄小儿,主要致病菌为金黄色葡萄球菌,其次为溶血性链球菌、肺炎双球菌、大肠杆菌和绿脓杆菌。常由血源性感染、开放性骨折、周围软组织感染直接蔓延所致。临床表现可有体温升高、乏力、消瘦、患肢红肿压痛,可伴有痿管形成,痿管外口有脓液渗出。慢性化脓性骨髓炎常可并发病理性骨折。由于病灶死腔内含炎性肉芽组织和脓液,死腔、死骨及附近等瘢痕组织病灶内,由于缺乏血液供应,药物很难到达局部病灶,故抗生素治疗往往无明显疗效。慢性化脓性骨髓炎的治疗原则是彻底清除病灶,摘除死骨,清除增生的瘢痕和肉芽组织,消除死腔,改善血液循环,为达此目的,常用手术和药物(高效、广谱抗生素)治疗相结合的方法。

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