Vogelnest L J, Cheng K Y
University of Sydney Veterinary Teaching Hospital, Narellan, New South Wales, Australia.
Aust Vet J. 2013 Nov;91(11):443-51. doi: 10.1111/avj.12112.
To better characterise cutaneous adverse food reactions (AFR) in cats, including the diagnostic challenges.
Retrospective evaluation of cases presenting to a dermatology referral service.
Cats were identified by a computerised medical record search. AFR was confirmed by clear deterioration on normal food re-challenge after completing an elimination diet, followed by improvement returning to the test diet. Prevalence, and breed, sex or age predispositions were compared with the base referral population. Patient records were reviewed for historical features, clinical presentations, concurrent dermatoses and dietary details.
A total of 17 cats were identified with cutaneous AFR, with no breed or sex predisposition determined. Age of onset ranged from 3 months to 9 years, with a mean of 3.5 years. Prevalence was 6% of dermatoses and 10% of cutaneous hypersensitivities in the referral cat population. Cats typically presented with severe, perennial, non-seasonally flaring pruritus affecting the face/head, neck and/or ventral abdomen. Concurrent hypersensitivities were confirmed in 6 cats and/or suspected in another 5 cats. Home-prepared elimination diets were completed by 16 cats; 8 cats had initial poor response to minimum 6-week commercial hydrolysed protein diets. Identified adverse foods included fish in 2 cats, and chicken, beef, commercial dry, and some canned foods, each in 1 cat.
The prevalence of cutaneous AFR in the general cat population is likely to be greater than 6%. A range of clinical presentations occur and practical challenges to diagnosis include reliance on strict adherence to dietary exclusion/provocation trials and misleading responses related to concurrent dermatoses and owner perceptions.
更好地描述猫的皮肤食物不良反应（AFR），包括诊断挑战。
对转诊至皮肤科的病例进行回顾性评估。
通过计算机化病历搜索识别猫。在完成排除饮食后，通过重新喂食正常食物时明显恶化，随后恢复测试饮食时改善来确诊AFR。将患病率以及品种、性别或年龄易感性与基础转诊人群进行比较。回顾患者记录以了解病史特征、临床表现、并发皮肤病和饮食细节。
共识别出17只患有皮肤AFR的猫，未确定品种或性别易感性。发病年龄范围为3个月至9岁，平均为3.5岁。在转诊猫群中，患病率为皮肤病的6%，皮肤过敏的10%。猫通常表现为严重的、常年性的、非季节性发作的瘙痒，影响面部/头部、颈部和/或腹部腹侧。6只猫确诊并发过敏，另有5只猫疑似并发过敏。16只猫完成了自制排除饮食；8只猫最初对至少6周的商业水解蛋白饮食反应不佳。确定的不良食物包括2只猫中的鱼类，以及1只猫中的鸡肉、牛肉、商业干粮和一些罐头食品。
一般猫群中皮肤AFR的患病率可能大于6%。存在一系列临床表现，诊断面临的实际挑战包括依赖严格遵守饮食排除/激发试验，以及与并发皮肤病和主人认知相关的误导性反应。
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