Acute respiratory distress syndrome associated with a pheochromocytoma in an adult dog.

IF 0.9 4区 农林科学 Q3 VETERINARY SCIENCES Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2024-08-01
Amanda Storer, Lauren W Stranahan, Mariana Manzano Arvayo, Igor Yankin
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Abstract

A 16-year-old castrated male shih tzu dog was brought to the emergency service because of an acute (24 h) history of gagging, coughing, and lethargy. Physical examination revealed dyspnea concurrent with diffuse, bilateral, pulmonary crackles and wheezes. Oxygen saturation, measured with a pulse oximeter, was < 95%. Thoracic radiographs revealed a multifocal alveolar pattern superimposed over a diffuse interstitial pattern with normal heart size. The dog continued to be dyspneic despite oxygen therapy. In accordance with the radiographic findings, further supportive care was recommended. Due to the unknown prognosis and financial constraints, the owner elected humane euthanasia. Necropsy confirmed a pheochromocytoma and lung changes without evidence of congestive heart failure. Findings were consistent with diffuse alveolar damage. These findings correlated with the dog's clinical diagnosis of acute respiratory distress syndrome (ARDS). No other disease processes associated with ARDS were identified. The purpose of this case report is to describe an unusual presentation of ARDS likely associated with a pheochromocytoma and confirmed by necropsy. Acute respiratory distress syndrome associated with a pheochromocytoma has been described in medical literature but has never been reported in veterinary medicine. Key clinical message: Pheochromocytomas should be added to the list of risk factors associated with ARDS in dogs. Dogs with a suspected diagnosis of pheochromocytoma whose owners elect against surgical removal should be closely monitored for an acute onset of respiratory distress, which could suggest the development of ARDS.

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成年犬嗜铬细胞瘤引发的急性呼吸窘迫综合征。
一只 16 岁的阉割雄性西施犬因急性(24 小时)吞咽、咳嗽和嗜睡病史被送到急诊室。体格检查发现该犬呼吸困难,同时伴有弥漫性、双侧肺部噼啪声和喘息声。用脉搏血氧仪测量的血氧饱和度低于95%。胸片显示,多灶肺泡模式叠加在弥漫性间质性模式之上,心脏大小正常。尽管进行了氧疗,但该犬仍然呼吸困难。根据放射学检查结果,建议对该犬采取进一步的支持性治疗。由于预后不明且经济拮据,狗主人选择了人道安乐死。解剖证实了嗜铬细胞瘤和肺部病变,但没有充血性心力衰竭的迹象。检查结果与肺泡弥漫性损伤一致。这些结果与该犬的临床诊断急性呼吸窘迫综合征(ARDS)相关。没有发现与 ARDS 相关的其他疾病过程。本病例报告旨在描述一种可能与嗜铬细胞瘤有关并经尸检证实的 ARDS 的不寻常表现。与嗜铬细胞瘤相关的急性呼吸窘迫综合征在医学文献中已有描述,但在兽医学中从未报道过。关键临床信息:嗜铬细胞瘤应被列入与犬急性呼吸窘迫综合征相关的危险因素清单。应密切监测疑似诊断为嗜铬细胞瘤的犬只,如果犬主选择不对其进行手术切除,则应密切监测犬只是否出现急性呼吸窘迫症状,这可能提示犬只发生了 ARDS。
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来源期刊
CiteScore
1.20
自引率
10.00%
发文量
177
审稿时长
12-24 weeks
期刊介绍: The Canadian Veterinary Journal (CVJ) provides a forum for the discussion of all matters relevant to the veterinary profession. The mission of the Journal is to educate by informing readers of progress in clinical veterinary medicine, clinical veterinary research, and related fields of endeavor. The key objective of The CVJ is to promote the art and science of veterinary medicine and the betterment of animal health. A report suggesting that animals have been unnecessarily subjected to adverse, stressful, or harsh conditions or treatments will not be processed for publication. Experimental studies using animals will only be considered for publication if the studies have been approved by an institutional animal care committee, or equivalent, and the guidelines of the Canadian Council on Animal Care, or equivalent, have been followed by the author(s).
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