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Animal experiments demonstrated that severe acoustic trauma of themiddle and inner ears occurred after cannonade explosion within a dis-tance of about 8 metres.Among the 60 ears of 30 guinea pigs,57 showedrupture of eardrums,32 had destruction of ossiele-chains,while 47 hadaccumulation of blood and exudates in the middle ears;a gradient of in-jury of the cochlea was also observed,minimal damage occurred in 3,increased in 41,and maximal in 16.The injuries occurred chiefly in thefirst and second turns,but the third and fourth turns were also involvedin 21.The results coincide with the clinical audiometry curve of thepatients who suffered from explosive acoustic trauma. 相似文献
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食管异物并发纵隔感染及胸主动脉破裂,临床都较为罕见,预后甚差。现将两例死亡病例报告如下。例1,梁某,男,19岁。因鹅骨梗喉,胸骨后痛,逐渐加剧4天,于1986年4月9日入院。查体:急性病容,呼吸迫促,神志清楚,体温37.6℃,脉搏104次/min,血压14.7/8.0kPa(110/60mmHg)。两肺呼吸音弱,乳头连线以上及下颌角以下的颈部、腋下、胸前的皮下触之有捻发感,心瓣膜区无杂音。白细胞2.56×10~(10)/L,中性0.86,淋巴0.12,单核0.01,酸性0.01。咽喉粘膜轻度充血水肿。胸部平片,纵隔阴影增宽,并发气肿。临床诊断为食管异物并发 相似文献
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于阿丽 《南方医科大学学报》1988,(4)
本文分析了26例Méniére氏病听力和眼震电图表现。听力曲线以平坦型多见,听力损失与病程长短无显著关系。声阻抗有23.1%鼓膜声顺值变小,鼓定压曲线呈C型。前庭眼震电图均为末梢损害。自发性眼震10例,位置性眼震2例。冷热试验减低者占80.7%。本文认为通过听力和眼震电图的系统检查,可以作为Méniére氏病诊断的重要指标. 相似文献
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本实验证明,豚鼠爆震性听损伤经药物治疗后,可明显促使耳廓反射的恢复;早期治疗对耳蜗病变的恢复有显著效果,而晚期治疗的效果不佳。震后耳蜗病理改变的程度:未治组9耳,轻度病变者2耳,中度者4耳,重度者3耳;早治组14耳,轻度病变者8耳,中度者3耳,重度者3耳,两组对比有显着差异(P<0.05);而晚治组7耳,轻度病变者1耳,中度者3耳,重度者3耳,与未治组对照无显著差异(P>0.05)。震后观察了14~90天,所有29只豚鼠的耳蜗病变均未恢复正常。以上结果与临床疗效相符,用药物治疗爆震性听力损害虽有一定的效果,但完全治癒者较少. 相似文献
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