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Incidental osteoarthritis: risk factors, prevalence and clinical evidence in rabbits 意外骨关节炎:兔子的风险因素、发病率和临床证据
Pub Date : 2024-02-02 DOI: 10.12968/coan.2023.0049
Fatima Bagha, Emma Keeble
The objective of this retrospective cohort study was to evaluate the prevalence, risk factors and level of clinically apparent disease associated with appendicular osteoarthritis in a population of rabbits under veterinary care. Computed tomography reports of 311 rabbits taken for any reason over a 4-year period were evaluated for recorded evidence of appendicular osteoarthritis and the joint(s) affected. Risk factors including age, weight, body condition, breed, sex and neuter status were investigated. In rabbits with evidence of osteoarthritis, clinical notes were examined to evaluate if the condition was clinically apparent. Out of 311 computed tomography reports, 61 described evidence of osteoarthritis (19.6%). The most common joints affected were the elbow and stifle. No significant relationship between sex, body condition and neuter status in males and presence of osteoarthritis was found. A statistically significant relationship between greater age, greater weight and neuter status in females and the presence of osteoarthritis was found. Only 9 out of 61 (14.8%) of the rabbits with computed tomography evidence of osteoarthritis had clinical signs of osteoarthritis recorded in the clinical notes. Following the results of this study, it may be concluded that greater age and weight, as well as female neuter status, are related to increased risk of appendicular osteoarthritis in rabbits, but changes on imaging may relate poorly to clinically apparent disease.
这项回顾性队列研究的目的是评估由兽医护理的兔子群体中阑尾骨关节炎的患病率、风险因素和临床症状水平。研究人员评估了 311 只兔子在 4 年内因各种原因接受的计算机断层扫描报告,以确定是否有附关节骨关节炎的记录证据以及受影响的关节。调查的风险因素包括年龄、体重、身体状况、品种、性别和绝育情况。对于有证据表明患有骨关节炎的兔子,还检查了其临床记录,以评估临床症状是否明显。在 311 份计算机断层扫描报告中,有 61 份(19.6%)描述了骨关节炎的证据。最常见的受影响关节是肘关节和跗关节。性别、身体状况和男性的中性状况与骨关节炎之间没有明显的关系。女性年龄越大、体重越重和中性与骨关节炎之间的关系有统计学意义。在 61 只有计算机断层扫描骨关节炎证据的兔子中,只有 9 只(14.8%)在临床记录中记录了骨关节炎的临床症状。根据这项研究的结果,我们可以得出这样的结论:兔子的年龄和体重越大,以及雌性绝育状态越好,患附着性骨关节炎的风险就越高,但影像学上的变化与临床上明显的疾病之间的关系可能很差。
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引用次数: 0
Primary hypoaldosteronism in a dog with concurrent suspected chronic hepatitis 疑似慢性肝炎犬的原发性醛固酮过少症
Pub Date : 2024-02-02 DOI: 10.12968/coan.2023.0043
Marina Hernández Perelló, Carolina Albuquerque
A 3-year-old female spayed English Cocker Spaniel presented with a 2-month history of lethargy. The owner reported a single tonic-clonic seizure 7 months before presentation and intermittent mild gastrointestinal signs for the past 18 months. Initial investigations revealed hyponatraemia, hyperkalaemia and increased levels of liver enzymes. An adrenocorticotropic hormone stimulation test excluded hypocortisolism. The gastrointestinal signs resolved following a dietary change, suggesting that chronic enteropathy and most primary and secondary causes of hepatic disease were excluded, leaving idiopathic chronic hepatitis as the most likely cause of increased levels of liver enzymes. Liver parameters reduced to levels just above reference range after immunosuppressive doses of prednisolone. Aldosterone levels pre- and post-adrenocorticotrophic hormone stimulation were <20 pmol/litre, consistent with mineralocorticoid deficiency. The mineralocorticoid deficiency was treated with desoxycorticosterone pivalate at 1–1.3 mg/kg subcutaneously every 48–87 days, which resulted in immediate and complete resolution of the clinical signs and electrolyte imbalance. Given the dog's signalment and results from clinical investigations, the isolated hypoaldosteronism is speculated to be caused by immune-mediated adrenal gland destruction. Isolated hypoaldosteronism should be considered a differential diagnosis for hyponatraemia in dogs, when an adrenocorticotrophic hormone stimulation test excludes hypocortisolism.
一只 3 岁的雌性去势英国可卡犬因嗜睡 2 个月而就诊。犬主报告说,该犬在发病前 7 个月曾有过一次强直阵挛发作,在过去 18 个月中曾间歇性出现轻微胃肠道症状。初步检查结果显示,它患有低钠血症、高钾血症和肝酶水平升高。促肾上腺皮质激素刺激试验排除了皮质醇功能减退症。改变饮食后,胃肠道症状缓解,这表明慢性肠病和大多数原发性和继发性肝病的病因已被排除,因此特发性慢性肝炎最有可能是导致肝酶水平升高的原因。使用泼尼松龙免疫抑制剂量后,肝脏参数降低到略高于参考范围的水平。肾上腺皮质激素刺激前后的醛固酮水平均小于 20 pmol/升,与矿质皮质激素缺乏一致。矿质皮质激素缺乏症用去氧皮质酮特戊酸盐治疗,每 48-87 天皮下注射 1-1.3 毫克/千克,临床症状和电解质失衡立即得到完全缓解。鉴于该犬的体征和临床检查结果,推测该孤立性醛固酮过多症是由免疫介导的肾上腺破坏引起的。当肾上腺皮质激素刺激试验排除了皮质醇过少症的可能性时,孤立性醛固酮过少症应被视为犬低钠血症的鉴别诊断之一。
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引用次数: 0
Surgical treatment of a bilateral superficial flexor tendon luxation 双侧浅屈肌肌腱松弛的手术治疗
Pub Date : 2024-02-02 DOI: 10.12968/coan.2023.0069
Katarzyna Atmaca, Hilario González Montaño, Hannah Padley, Catrina Pennington
A two-year-old, male, neutered, crossbreed dog was presented to Anderson Moores Veterinary Specialists with a history of bilateral pelvic limb lameness. Right pelvic limb lameness was first noted 3 months prior to presentation. Right superficial digital flexor tendon tendinopathy and associated bursitis were diagnosed based on computed tomography scans performed by the referring veterinarian. Conservative management, consisting of analgesia and exercise restriction, did not resolve the clinical signs and referral was sought. At the time of presentation, left pelvic limb lameness of 1 week's duration was reported additionally by the owner. Clinical examination and imaging findings were consistent with bilateral superficial digital flexor tendon luxation. Surgical management consisting of relocation of the superficial digital flexor tendon into the central position of the calcaneal groove alongside a retinaculoplasty and calcaneoplasty was performed bilaterally. Half-cast dressings were placed on both pelvic limbs and were removed after 3 weeks due to mild soft tissue complications. The patient was cage rested for 5 weeks in total. The re-examination 8 weeks after surgical treatment revealed that the tendons remained stable and could not be manually luxated.
一只两岁大的雄性杂交犬因双侧骨盆肢体跛行来到 Anderson Moores 兽医专科就诊。首次发现右侧骨盆肢体跛行是在就诊前 3 个月。根据转诊兽医进行的计算机断层扫描,确诊为右侧浅层数字屈肌腱肌腱病变和相关滑囊炎。保守治疗包括镇痛和限制运动,但并不能消除临床症状,因此需要转诊。就诊时,狗主人还报告说它的左侧骨盆肢体跛行了 1 周。临床检查和影像学检查结果一致,为双侧数字屈肌腱浅层松弛。手术治疗包括将浅层数字屈肌腱移至小腿骨沟的中央位置,同时进行视网膜成形术和小腿骨成形术。在双侧骨盆肢体上放置了半石膏敷料,3周后因轻微的软组织并发症而拆除。患者总共在笼中休息了 5 周。手术治疗8周后的复查显示,肌腱保持稳定,无法手动松动。
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引用次数: 0
Surgical treatment of a bilateral superficial flexor tendon luxation 双侧浅屈肌肌腱松弛的手术治疗
Pub Date : 2024-02-02 DOI: 10.12968/coan.2023.0069
Katarzyna Atmaca, Hilario González Montaño, Hannah Padley, Catrina Pennington
A two-year-old, male, neutered, crossbreed dog was presented to Anderson Moores Veterinary Specialists with a history of bilateral pelvic limb lameness. Right pelvic limb lameness was first noted 3 months prior to presentation. Right superficial digital flexor tendon tendinopathy and associated bursitis were diagnosed based on computed tomography scans performed by the referring veterinarian. Conservative management, consisting of analgesia and exercise restriction, did not resolve the clinical signs and referral was sought. At the time of presentation, left pelvic limb lameness of 1 week's duration was reported additionally by the owner. Clinical examination and imaging findings were consistent with bilateral superficial digital flexor tendon luxation. Surgical management consisting of relocation of the superficial digital flexor tendon into the central position of the calcaneal groove alongside a retinaculoplasty and calcaneoplasty was performed bilaterally. Half-cast dressings were placed on both pelvic limbs and were removed after 3 weeks due to mild soft tissue complications. The patient was cage rested for 5 weeks in total. The re-examination 8 weeks after surgical treatment revealed that the tendons remained stable and could not be manually luxated.
一只两岁大的雄性杂交犬因双侧骨盆肢体跛行来到 Anderson Moores 兽医专科就诊。首次发现右侧骨盆肢体跛行是在就诊前 3 个月。根据转诊兽医进行的计算机断层扫描,确诊为右侧浅层数字屈肌腱肌腱病变和相关滑囊炎。保守治疗包括镇痛和限制运动,但并不能消除临床症状,因此需要转诊。就诊时,狗主人还报告说它的左侧骨盆肢体跛行了 1 周。临床检查和影像学检查结果一致,为双侧数字屈肌腱浅层松弛。手术治疗包括将浅层数字屈肌腱移至小腿骨沟的中央位置,同时进行视网膜成形术和小腿骨成形术。在双侧骨盆肢体上放置了半石膏敷料,3周后因轻微的软组织并发症而拆除。患者总共在笼中休息了 5 周。手术治疗8周后的复查显示,肌腱保持稳定,无法手动松动。
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引用次数: 0
Primary hypoaldosteronism in a dog with concurrent suspected chronic hepatitis 疑似慢性肝炎犬的原发性醛固酮过少症
Pub Date : 2024-02-02 DOI: 10.12968/coan.2023.0043
Marina Hernández Perelló, Carolina Albuquerque
A 3-year-old female spayed English Cocker Spaniel presented with a 2-month history of lethargy. The owner reported a single tonic-clonic seizure 7 months before presentation and intermittent mild gastrointestinal signs for the past 18 months. Initial investigations revealed hyponatraemia, hyperkalaemia and increased levels of liver enzymes. An adrenocorticotropic hormone stimulation test excluded hypocortisolism. The gastrointestinal signs resolved following a dietary change, suggesting that chronic enteropathy and most primary and secondary causes of hepatic disease were excluded, leaving idiopathic chronic hepatitis as the most likely cause of increased levels of liver enzymes. Liver parameters reduced to levels just above reference range after immunosuppressive doses of prednisolone. Aldosterone levels pre- and post-adrenocorticotrophic hormone stimulation were <20 pmol/litre, consistent with mineralocorticoid deficiency. The mineralocorticoid deficiency was treated with desoxycorticosterone pivalate at 1–1.3 mg/kg subcutaneously every 48–87 days, which resulted in immediate and complete resolution of the clinical signs and electrolyte imbalance. Given the dog's signalment and results from clinical investigations, the isolated hypoaldosteronism is speculated to be caused by immune-mediated adrenal gland destruction. Isolated hypoaldosteronism should be considered a differential diagnosis for hyponatraemia in dogs, when an adrenocorticotrophic hormone stimulation test excludes hypocortisolism.
一只 3 岁的雌性去势英国可卡犬因嗜睡 2 个月而就诊。犬主报告说,该犬在发病前 7 个月曾有过一次强直阵挛发作,在过去 18 个月中曾间歇性出现轻微胃肠道症状。初步检查结果显示,它患有低钠血症、高钾血症和肝酶水平升高。促肾上腺皮质激素刺激试验排除了皮质醇功能减退症。改变饮食后,胃肠道症状缓解,这表明慢性肠病和大多数原发性和继发性肝病的病因已被排除,因此特发性慢性肝炎最有可能是导致肝酶水平升高的原因。使用泼尼松龙免疫抑制剂量后,肝脏参数降低到略高于参考范围的水平。肾上腺皮质激素刺激前后的醛固酮水平均小于 20 pmol/升,与矿质皮质激素缺乏一致。矿质皮质激素缺乏症用去氧皮质酮特戊酸盐治疗,每 48-87 天皮下注射 1-1.3 毫克/千克,临床症状和电解质失衡立即得到完全缓解。鉴于该犬的体征和临床检查结果,推测该孤立性醛固酮过多症是由免疫介导的肾上腺破坏引起的。当肾上腺皮质激素刺激试验排除了皮质醇过少症的可能性时,孤立性醛固酮过少症应被视为犬低钠血症的鉴别诊断之一。
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引用次数: 0
Canine cataracts 犬白内障
Pub Date : 2024-01-02 DOI: 10.12968/coan.2023.0053
Helen Appelboam
The intraocular lens is uniquely designed to aid focused vision, and diseases of the lens such as cataracts are a common cause of blindness in dogs. The causes of cataracts are discussed including the main aetiologies such as hereditary cataract, senile and diabetic cataracts. The article focuses on dogs, as cataracts are less common in cats, although traumatic cataracts and rarely, inherited, congenital and developmental cataracts do occur in felines. The article discusses ways to examine and classify a cataract; the best way to diagnose an early cataract is examination with a veterinary ophthalmologist. Early detection is important, as it is not advised to breed from dogs affected with hereditary cataracts. Surgical extraction is currently the only method to remove a cataract and restore vision, and the common complications of cataract surgery are also explored.
眼内晶状体的独特设计有助于集中视力,而晶状体疾病(如白内障)是导致狗狗失明的常见原因。本文讨论了白内障的病因,包括遗传性白内障、老年性白内障和糖尿病性白内障等主要病因。文章的重点是狗,因为白内障在猫科动物中并不常见,不过外伤性白内障和极少数遗传性、先天性和发育性白内障确实会发生在猫科动物身上。文章讨论了检查和分类白内障的方法;诊断早期白内障的最佳方法是由兽医眼科医生进行检查。早期发现非常重要,因为我们不建议用患有遗传性白内障的狗繁殖后代。目前,手术摘除白内障是恢复视力的唯一方法,本文还探讨了白内障手术的常见并发症。
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引用次数: 0
Canine phaeochromocytoma: a guide to diagnosis and treatment 犬嗜铬细胞瘤:诊断和治疗指南
Pub Date : 2024-01-02 DOI: 10.12968/coan.2023.0036
M. F. van den Berg, S. Galac
Phaeochromocytomas are neuroendocrine tumours arising from chromaffin cells of the adrenal medulla. Clinical signs are primarily associated with excessive catecholamine secretion and, to a lesser extent, with the space-occupying or invasive nature of the tumour. The diagnosis of phaeochromocytoma relies on clinical suspicion, biochemical testing, diagnostic imaging and histopathology. Biochemical testing mainly depends on the measurement of levels of plasma or urinary metanephrines, with normetanephrine demonstrating superior diagnostic performance compared to metanephrine. Adrenalectomy is the treatment of choice, but may not be possible in cases with extensive local invasion, concurrent disorders or distant metastasis. Contrast-enhanced computed tomography is recommended for surgical planning and metastasis screening. Vascular invasion is frequently observed, yet surgery remains a viable option in many cases. Recent studies question the necessity of alpha-blockade before surgery, and randomised controlled clinical trials are necessary to evaluate this. Long-term survival is often seen in dogs that survive the perioperative period. For patients in which surgery is not deemed feasible, medical treatment with tyrosine-kinase inhibitors may be considered. Given the current scarcity of effective medical treatment, there is an urgent need to identify novel therapeutic options. This review provides recommendations on the diagnosis and management of canine phaeochromocytoma.
绒毛膜细胞瘤是肾上腺髓质绒毛膜细胞产生的神经内分泌肿瘤。临床症状主要与儿茶酚胺分泌过多有关,其次与肿瘤的占位性或侵袭性有关。相绒毛膜细胞瘤的诊断依赖于临床怀疑、生化检测、影像诊断和组织病理学。生化检测主要依靠测量血浆或尿液中的甲肾上腺素水平,与甲肾上腺素相比,正常甲肾上腺素的诊断效果更佳。肾上腺切除术是首选治疗方法,但在局部广泛侵犯、并发症或远处转移的病例中可能无法实施。建议采用对比增强计算机断层扫描来制定手术计划和筛查转移灶。血管侵犯是常见现象,但在许多病例中,手术仍是可行的选择。最近的研究对手术前使用α-受体阻滞剂的必要性提出了质疑,有必要进行随机对照临床试验对此进行评估。围手术期存活下来的狗通常都能长期存活。对于无法进行手术的患者,可以考虑使用酪氨酸激酶抑制剂进行药物治疗。鉴于目前缺乏有效的药物治疗,因此迫切需要确定新的治疗方案。本综述就犬绒毛膜细胞瘤的诊断和治疗提出了建议。
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引用次数: 0
Why, when and how to successfully extract a deciduous tooth 为什么、何时以及如何成功拔除乳牙
Pub Date : 2024-01-02 DOI: 10.12968/coan.2023.0027
Tom Rhys Williams
Deciduous teeth should erupt and exfoliate in the few months before a dog enters adulthood. For this reason, there is often reluctance or a lack of knowledge as to why these teeth may need to be extracted. However, there are three main indications for the extraction of deciduous teeth; injury or fracture; persistence of a deciduous tooth; or to manage a malocclusion with extractions, which is also known as ‘interceptive orthodontics’. The extractions for all three indications are time sensitive. They should be viewed as urgent in the case of fractures, and procedures to perform as soon as possible for the other indications. Extraction should be done with a careful open approach; they need to be complete, and radiographs are essential.
在狗狗进入成年期之前的几个月里,乳牙应该萌出并脱落。因此,人们往往不愿意或不知道为什么需要拔掉这些牙齿。然而,拔除乳牙的适应症主要有三种:受伤或骨折;乳牙持续存在;或通过拔牙治疗错颌畸形,这也被称为 "阻断性正畸"。这三种适应症的拔牙都具有时间敏感性。如果是骨折,拔牙应被视为紧急措施;如果是其他适应症,拔牙应尽快进行。拔牙时应小心谨慎,采用开放式方法;拔牙必须完整,而且必须拍摄X光片。
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引用次数: 0
Understanding feline gastrointestinal eosinophilic sclerosing fibroplasia 了解猫胃肠道嗜酸性硬化性纤维增生症
Pub Date : 2024-01-02 DOI: 10.12968/coan.2023.0050
P. Černá
Feline gastrointestinal eosinophilic sclerosing fibroplasia is a recently described disease in cats that presents as eosinophilic masses that are associated with the gastrointestinal tract and associated abdominal lymph nodes, often localised near the pylorus or ileocaecocolic junction. Feline gastrointestinal eosinophilic sclerosing fibroplasia is seen predominantly in middle-aged cats, with Ragdoll cats being overrepresented. Clinical signs are often chronic, typically including weight loss, hyporexia and vomiting. Bloodwork abnormalities most frequently documented in cats with feline gastrointestinal eosinophilic sclerosing fibroplasia are eosinophilia, anaemia and hypoalbuminaemia. The diagnosis of feline gastrointestinal eosinophilic sclerosing fibroplasia is usually confirmed on histopathology and infectious organisms are identified in about one-to two-thirds of cases in different studies. Corticosteroids are important in the treatment of cats with feline gastrointestinal eosinophilic sclerosing fibroplasia, with cats being treated by surgery alone having a significantly shorter survival time than those cats treated with surgery and corticosteroids combined.
猫胃肠道嗜酸性硬化性纤维增生症是最近描述的一种猫病,表现为与胃肠道和相关腹部淋巴结有关的嗜酸性肿块,通常位于幽门或回肠结肠交界处附近。猫胃肠道嗜酸性硬化性纤维增生症主要见于中年猫,布偶猫的发病率较高。临床症状通常是慢性的,典型症状包括体重减轻、厌食和呕吐。猫胃肠道嗜酸性硬化性纤维增生症患者最常见的血常规异常是嗜酸性粒细胞增多、贫血和低白蛋白血症。猫胃肠道嗜酸性粒细胞硬化性纤维增生症的诊断通常要经过组织病理学确诊,在不同的研究中,约有三分之一到三分之二的病例被确定为感染性病菌。皮质类固醇对猫胃肠道嗜酸性硬化性纤维增生症患者的治疗非常重要,只接受手术治疗的猫存活时间明显短于同时接受手术和皮质类固醇治疗的猫。
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引用次数: 0
Closing the year at the London Vet Show 伦敦兽医展上的年终总结
Pub Date : 2023-12-02 DOI: 10.12968/coan.2023.0068
Gillian Davies
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引用次数: 0
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Companion Animal
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