超声诊断猫中耳炎的准确性和可行性。

IF 1.4 3区 农林科学 Q3 DERMATOLOGY
Tim Chan, Ramon Almela, Agustina Anson
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引用次数: 0

摘要

背景:中耳炎(OM)是通过影像学诊断的,在某些情况下,通过检测鼓膜内液体(TB)进行耳镜评估。在猫中,大球隔将TB分为腹内侧(VMC)和背外侧(DLC)隔室,超声仅局限于VMC成像。假设/目的:以计算机断层扫描(CT)或磁共振成像(MRI)作为参考标准,评估超声诊断猫自然发生的OM的准确性和可行性。动物:有或没有OM的32只私人养猫(64只耳朵)参加了这项研究。材料和方法:在横断面研究中,CT或MRI证实TB内有液体(OM)或空气(正常),而超声对VMC进行空气或液体成像。计算超声诊断OM的性能统计。结果:大泡超声平均耗时3.5 min完成,23只猫清醒。超声检查发现41耳VMC中有空气,22耳有液体,1耳由于TB壁增厚而出现声影,排除了气体或液体的检测。CT/MRI显示39例中耳充气,25例中耳积液。两次假阴性是由于检测不到的液体管线不足。63只耳(排除有声影的耳)的超声资料显示:敏感性(92%)、特异性(100%)、阳性预测值(100%)、阴性预测值(95%)、准确性(97%)。结论及临床意义:超声快速,耐受性良好,可靠地区分VMC中的液体和空气,诊断大多数猫的OM。由于液体不足而产生假阴性。声影可能代表慢性OM。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Accuracy and Feasibility of Ultrasound in the Diagnosis of Otitis Media in Cats.

Background: Otitis media (OM) is diagnosed via imaging or, in some cases, otoscopic evaluation, by detecting fluid in the tympanic bulla (TB). In cats, the bulla septum divides the TB into ventromedial (VMC) and dorsolateral (DLC) compartments, with ultrasound restricted to imaging the VMC only.

Hypothesis/objectives: To evaluate the accuracy and feasibility of ultrasound in diagnosing naturally occurring OM in cats, using computed tomography (CT) or magnetic resonance imaging (MRI) as the reference standard.

Animals: Thirty-two privately owned cats (64 ears) with and without OM were enrolled in the study.

Materials and methods: In this cross-sectional study, CT or MRI confirmed fluid (OM) or air (normal) in the TB, while ultrasound imaged the VMC for air or fluid. Performance statistics for ultrasound in diagnosing OM were calculated.

Results: Bulla ultrasound took an average of 3.5 min to complete and 23 cats were awake. Ultrasound detected air in the VMC in 41 ears, fluid in 22 ears and acoustic shadowing in one ear owing to TB wall thickening, precluding the detection of gas or fluid. Thirty-nine middle ears were air-filled and 25 ears had fluid based on CT/MRI. Two false negatives resulted from undetectable scant fluid lines. Ultrasonographic data of 63 ears (ear with acoustic shadow was excluded) showed the following: sensitivity (92%), specificity (100%), positive predictive value (100%), negative predictive value (95%) and accuracy (97%).

Conclusions and clinical relevance: Ultrasound was rapid, well-tolerated and reliably differentiated fluid from air in the VMC, diagnosing OM in most cats. False negatives arose from scant fluid. Acoustic shadowing may represent chronic OM.

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来源期刊
Veterinary dermatology
Veterinary dermatology 农林科学-兽医学
CiteScore
3.20
自引率
21.40%
发文量
92
审稿时长
12-24 weeks
期刊介绍: Veterinary Dermatology is a bi-monthly, peer-reviewed, international journal which publishes papers on all aspects of the skin of mammals, birds, reptiles, amphibians and fish. Scientific research papers, clinical case reports and reviews covering the following aspects of dermatology will be considered for publication: -Skin structure (anatomy, histology, ultrastructure) -Skin function (physiology, biochemistry, pharmacology, immunology, genetics) -Skin microbiology and parasitology -Dermatopathology -Pathogenesis, diagnosis and treatment of skin diseases -New disease entities
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