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首页> 外文期刊>Canadian Veterinary Journal: La Revue Veterinaire Canadienne. >A retrospective study of 29 cases of otitis media/interna in dairy calves.
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A retrospective study of 29 cases of otitis media/interna in dairy calves.

机译：奶牛中耳炎/内耳炎29例的回顾性研究。

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摘要

Epidemiological data, clinical findings, laboratory data, medical imaging, and outcomes were reviewed in 29 dairy calves with otitis media/interna. Age at admission ranged from 1 to 24 wk. The majority of calves were referred during winter. Clinical signs included drooping ear, ptosis, head tilt, abnormal nystagmus, strabismus, dysphagia, regurgitation, stiff neck, opisthotonos, facial hyperesthesia, and purulent aural discharge. Intranasal endoscopic examination of 5 animals revealed nasopharyngeal collapse in 4. Cerebrospinal fluid (CSF) was abnormal in all of 7 cases. Mycoplasma bovis was cultured from all but 1 case with external ear or tympanic bullae samples (n=12), and Mycoplasma arginini was cultured from the remaining ear sample. Radiographs of the tympanic bullae were performed in 24 calves, tomodensitometry (CT) in 3 calves and ultrasound in 4 calves. According to medical imaging techniques or necropsy, 69% of the cases were classified as chronic. Mean duration of treatment was 23.3 d. The rate of clinical recovery was 75%.
机译：在29例中耳炎/内分泌乳牛中，对流行病学数据，临床结果，实验室数据，医学影像和结局进行了回顾。入院年龄为1至24周。大部分小牛在冬季被转诊。临床体征包括下垂的耳朵，上睑下垂，头部倾斜，异常眼球震颤，斜视，吞咽困难，反流，颈部僵硬，眼角膜水肿，面部感觉异常和化脓性耳鸣。鼻内窥镜检查5只动物中有4只鼻咽塌陷。7例脑脊液（CSF）均异常。除1例外，其余所有病例均用外耳或鼓膜大疱样本培养牛支原体（n = 12），其余的耳朵样本培养精子支原体。鼓膜的X线片在24头小牛中进行了X射线照相，CT在3头小牛中进行了超声测量，在4头小牛中进行了超声检查。根据医学成像技术或尸检，将69％的病例归为慢性。平均治疗时间为23.3 d。临床恢复率为75％。

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