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Wilkinson SL. Urine Output Monitoring and Acute Kidney Injury in Non-mammalian Exotic Animal Critical Care. Vet Clin North Am Exot Anim Pract 2023; 26:673-710. [PMID: 37516459 DOI: 10.1016/j.cvex.2023.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
Abstract
Acute kidney injury (AKI) is a sudden, severe decrease in kidney function which can occur in any species. There are various causes of AKI, some of which are seen in domestic species and some that are unique to birds, reptiles, and amphibians. These species present unique challenges with AKI management, such as differences in anatomy and physiology, intravenous and urinary catheterization, repeated blood sampling, and their tendency to present in advanced states of illness. This article will discuss AKI, diagnosis, treatment, and prognosis for non-mammalian exotic species.
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Affiliation(s)
- Stacey Leonatti Wilkinson
- Avian and Exotic Animal Hospital of Georgia, 118 Pipemakers Circle Suite 110, Pooler, GA 31322, USA.
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2
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Perrin KL. Coagulation Disorders, Testing, and Treatment in Exotic Animal Critical Care. Vet Clin North Am Exot Anim Pract 2023:S1094-9194(23)00024-5. [PMID: 37321935 DOI: 10.1016/j.cvex.2023.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Despite poor recognition in the literature, exotic companion animals are affected by many diseases that can result in disordered coagulation and fibrinolysis. This article outlines current knowledge of hemostasis, common diagnostic tests and reviews reported diseases associated with coagulopathy in small mammals, bird and reptiles. A range of conditions affect platelets and thrombocytes, endothelium and blood vessels, and plasma clotting factors. Improved recognition and monitoring of hemostatic disorders will enable targeted therapy and improved case outcomes.
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Affiliation(s)
- Kathryn L Perrin
- San Diego Zoo Wildlife Alliance, Veterinary Services, 15500 San Pasqual Valley Road, Escondido, CA 92027, USA.
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3
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Wilkinson SL. Urine Output Monitoring and Acute Kidney Injury in Mammalian Exotic Animal Critical Care. Vet Clin North Am Exot Anim Pract 2023:S1094-9194(23)00023-3. [PMID: 37302935 DOI: 10.1016/j.cvex.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Acute kidney injury (AKI) is a sudden, severe decrease in kidney function which can occur in any species. There are various causes of AKI, some of which are seen in domestic species and some that are unique to exotics. Exotic animals present unique challenges with AKI management such as differences in anatomy and physiology, intravenous and urinary catheterization, repeated blood sampling, and their tendency to present in advanced states of illness. This article will discuss AKI, diagnosis, treatment, and prognosis for exotic companion mammals. The following article will discuss the same in non-mammalian patients.
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Affiliation(s)
- Stacey Leonatti Wilkinson
- Avian and Exotic Animal Hospital of Georgia, 118 Pipemakers Circle Suite 110, Pooler, GA 31322, USA.
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4
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Kaye S, Stokol T. Hemostatic Testing in Companion Exotic Mammals. Vet Clin North Am Exot Anim Pract 2022; 25:613-630. [PMID: 36122943 DOI: 10.1016/j.cvex.2022.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The mammalian hemostatic system is highly conserved, and companion exotic mammals are commonly used as biomedical models for normal and disordered hemostasis. Challenges associated with sample collection, test validation, and test interpretation have limited the use of these tests in clinical exotic animal practice. However, evaluation of platelet counts, coagulation screening times, and fibrin(ogen) degradation products can be valuable for monitoring exotic patients with a range of disease presentations including intoxications, anemia, systemic viral disease, hepatopathy, and endocrinopathy.
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Affiliation(s)
- Sarrah Kaye
- Staten Island Zoo, 614 Broadway, Staten Island, NY 10310, USA.
| | - Tracy Stokol
- Cornell University, Upper Tower Road, Ithaca, NY 14853-6401, USA
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Abstract
Fenbendazole remains the drug of choice to treat pinworm infection in laboratory rodents. When fenbendazole was last reviewed (15 y ago), the literature supported the drug's lack of toxic effects at therapeutic levels, yet various demonstrated physiologic effects have the potential to alter research outcomes. Although more recent reports continue to reflect an overall discordancy of results, several studies support the premise that fenbendazole affects the bone marrow and the immune system. No effects on reproduction were reported in an extensive study that assessed common treatment protocols in mice, and food intake was unchanged in rats. Behavioral studies are sparse, with only a single report of a subtle change in a rotarod performance in mice. Notably, unexpected results in tumor models during facility treatment with fenbendazole have prompted preclinical and clinical studies of the potential roles of benzimidazoles in cancer.
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Affiliation(s)
- Carolyn Cray
- Division of Comparative Pathology and,Corresponding author.
| | - Norman H Altman
- Department of Pathology & Laboratory Medicine, Miller School of Medicine, University of Miami, Miami, Florida
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Magalhães TR, Pinto FF, Queiroga FL. A multidisciplinary review about Encephalitozoon cuniculi in a One Health perspective. Parasitol Res 2022; 121:2463-2479. [PMID: 35840730 PMCID: PMC9286959 DOI: 10.1007/s00436-022-07562-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/26/2022] [Indexed: 11/26/2022]
Abstract
Encephalitozoon cuniculi is a microsporidian parasite mostly associated with its natural host, the rabbit (Oryctolagus cuniculus). However, other animals can be infected, like other mammals, birds, and even humans. Although it usually causes subclinical infection, it can also lead to encephalitozoonosis, a clinical disease characterized by neurological, ocular, and/or renal signs that can be even fatal, especially in immunocompromised individuals. Therefore, this multidisciplinary review contributes with updated information about the E. cuniculi, deepening in its molecular and genetic characterization, its mechanisms of infection and transmission, and its prevalence among different species and geographic locations, in a One Health perspective. Recent information about the diagnostic and therapeutic approach in the main host species and the prophylaxis and infection control measures currently suggested are also discussed.
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Affiliation(s)
- Tomás Rodrigues Magalhães
- Department of Veterinary Sciences, University of Trás-Os-Montes and Alto Douro, Quinta dos Prados, 5000-801 Vila Real, Portugal
- Animal and Veterinary Research Centre (CECAV), University of Trás-Os-Montes and Alto Douro, Vila Real, Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-Os-Montes and Alto Douro, Vila Real, Portugal
| | - Filipe Fontes Pinto
- HIPRA, Malveira, Portugal
- Cytology Diagnostic Services, Laboratory of Histology and Embryology, School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
| | - Felisbina Luisa Queiroga
- Department of Veterinary Sciences, University of Trás-Os-Montes and Alto Douro, Quinta dos Prados, 5000-801 Vila Real, Portugal
- Animal and Veterinary Research Centre (CECAV), University of Trás-Os-Montes and Alto Douro, Vila Real, Portugal
- Center for the Study of Animal Sciences, CECA-ICETA, University of Porto, Porto, Portugal
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Reavill DR, Lennox AM. Disease Overview of the Urinary Tract in Exotic Companion Mammals and Tips on Clinical Management. Vet Clin North Am Exot Anim Pract 2020; 23:169-193. [PMID: 31759446 PMCID: PMC7110585 DOI: 10.1016/j.cvex.2019.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Diseases of the urinary tract are reviewed, covering infectious (bacterial, viral, parasitic), degenerative, congenital, metabolic, nutritional, neoplastic, obstructive, and toxic causes. Some clinical presentations and diagnostic procedures are described for ferrets, rabbits, guinea pigs, hamsters, mice, rats, chinchillas, hedgehogs, and sugar gliders, as well as therapies.
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Affiliation(s)
- Drury R Reavill
- Zoo/Exotic Pathology Service, 6020 Rutland Drive #14, Carmichael, CA 95608-0515, USA.
| | - Angela M Lennox
- Avian and Exotic Animal Clinic of Indianapolis, 9330 Waldemar Road, Indianapolis, IN 46268, USA
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Keller KA, Sanchez-Migallon Guzman D, Reilly C, Valentine B, Duke Boynton FD, Scott EM, Dubielzig RR. POST-TRAUMATIC OCULAR LYMPHOMA IN THREE RABBITS (ORYCTOLAGUS CUNICULUS). J Exot Pet Med 2019. [DOI: 10.1053/j.jepm.2018.02.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
The selection and dosing of medications for exotic pets are often challenging because most drugs are used in an extralabel manner without pharmacokinetic and pharmacodynamic studies. Doses are often extrapolated from common domestic animals and safety data are often lacking in exotic species. Just as the bioavailability and therapeutic levels are different for each species, what may be a safe and commonly used medication in one species can be deadly in another. Various drugs with documented contraindications in certain exotic pet species are outlined in this review and the pathophysiology, clinical signs, and treatment options are described when applicable.
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Affiliation(s)
- Olivia A Petritz
- Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC 27607, USA.
| | - Sue Chen
- Gulf Coast Avian and Exotics, Gulf Coast Veterinary Specialists, 3800 Southwest Freeway, Houston, TX 77027, USA
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Doss GA, Mans C, Johnson L, Pinkerton ME, Hardie RJ, Sladky KK. Diagnosis and management of inflammatory bowel disease in a harpy eagle (Harpia harpyja) with suspected fenbendazole toxicosis. J Am Vet Med Assoc 2018; 252:336-342. [PMID: 29346050 DOI: 10.2460/javma.252.3.336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
CASE DESCRIPTION A 14-year-old 4.1-kg (9.02-lb) male harpy eagle (Harpia harpyja) was evaluated because of vomiting, anorexia, lethargy, and weight loss (decrease of 0.35 kg [0.77 lb]) of 4 weeks' duration. The bird had previously been treated orally with fenbendazole after the initial onset of clinical signs. CLINICAL FINDINGS An initial CBC revealed marked heteropenia and anemia, but whole-body contrast-enhanced CT images and other diagnostic test findings were unremarkable. Clinical signs persisted, and additional diagnostic testing failed to reveal the cause. During celiotomy, a biopsy specimen of the duodenum was obtained for histologic examination, which revealed lymphoplasmacytic inflammation, consistent with inflammatory bowel disease (IBD). TREATMENT AND OUTCOME Prior to histopathologic diagnosis of IBD, barium sulfate administered via gavage resulted in a temporary improvement of clinical signs. Following diagnosis of IBD, corticosteroid administration was initiated in conjunction with antifungal prophylaxis. Cessation of vomiting and a return to normal appetite occurred within 3 days. Fifteen months after cessation of corticosteroid treatment, the eagle continued to do well. CLINICAL RELEVANCE To our knowledge, this was the first report of diagnosis and management of IBD in an avian species. For the eagle of the present report, results of several diagnostic tests increased clinical suspicion of IBD, but histologic examination of an intestinal biopsy specimen was required for definitive diagnosis. Although successful in this case, steroid administration in avian species must be carefully considered. Conclusive evidence of fenbendazole toxicosis was not obtained, although it was highly suspected in this bird.
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Abstract
Rabbit medicine has been continuously evolving over time with increasing popularity and demand. Tremendous advances have been made in rabbit medicine over the past 5 years, including the use of imaging tools for otitis and dental disease management, the development of laboratory testing for encephalitozoonosis, or determination of prognosis in rabbits. Recent pharmacokinetic studies have been published, providing additional information on commonly used antibiotics and motility-enhancer drugs, as well as benzimidazole toxicosis. This article presents a review of evidence-based advances for liver lobe torsions, thymoma, and dental disease in rabbits and controversial and new future promising areas in rabbit medicine.
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Affiliation(s)
- Noémie M Summa
- Department of Clinical Sciences, School of Veterinary Medicine, University of Montreal, 3200, rue Sicotte, PO 5000, Saint-Hyacinthe, Quebec J2S 2M2, Canada
| | - João Brandão
- Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University, 2065 West Farm Road, Stillwater, OK 74078, USA.
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Abstract
Rabbits have the ability to hide their signs and often present in a state of decompensatory shock. Handling can increase susceptibility to stress-induced cardiomyopathy and specific hemodynamic changes. Careful monitoring with a specific reference range is important to detect early decompensation, change the therapeutic plan in a timely manner, and assess prognostic indicators. Fluid requirements are higher in rabbits than in other small domestic mammals and can be corrected both enterally and parenterally. Critical care in rabbits can be extrapolated to many hindgut fermenters, but a specific reference range and dosage regimen need to be determined.
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Affiliation(s)
- Minh Huynh
- Exotic Department, Centre Hospitalier Vétérinaire Frégis, 43 Avenue Aristide Briand, Arcueil 94110, France.
| | - Anaïs Boyeaux
- Department of Emergency and Critical Care, Centre Hospitalier Vétérinaire Frégis, 43 Avenue Aristide Briand, Arcueil 94110, France
| | - Charly Pignon
- Exotics Medicine Service, Alfort National Veterinary School, 7 avenue du Général de Gaulle, Maisons-Alfort 94700, France
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SUSPECTED FENBENDAZOLE TOXICITY IN AN AMERICAN WHITE PELICAN (PELECANUS ERYTHRORHYNCHOS). J Zoo Wildl Med 2016; 47:681-5. [DOI: 10.1638/2015-0117.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Affiliation(s)
- Sarah Pellett
- Animates Veterinary Clinic, 2 The Green, Thurlby, Bourne, Lincolnshire PE10 0EB
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DeCubellis J. Common Emergencies in Rabbits, Guinea Pigs, and Chinchillas. Vet Clin North Am Exot Anim Pract 2016; 19:411-29. [PMID: 26948264 DOI: 10.1016/j.cvex.2016.01.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Rabbits, guinea pigs, and chinchillas are some of the more common exotic pets seen in emergency clinics. They frequently present with acute illnesses that are the result of several chronic conditions, most related to inadequate diet and husbandry. This article reviews the diagnosis and treatment of some of the more common acute illnesses. It also discusses the predisposing factors that culminate in acute presentations, so that emergency providers can recognize and be mindful of underlying causes of disease before treatment of acute illnesses.
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Affiliation(s)
- Julie DeCubellis
- Calgary Avian & Exotic Pet Clinic, Bay 1, 2308-24th Street Southwest, Calgary, Alberta T2T 5H8, Canada.
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Microsporidiosis in Vertebrate Companion Exotic Animals. J Fungi (Basel) 2015; 2:jof2010003. [PMID: 29376921 PMCID: PMC5753084 DOI: 10.3390/jof2010003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 12/07/2015] [Accepted: 12/18/2015] [Indexed: 11/17/2022] Open
Abstract
Veterinarians caring for companion animals may encounter microsporidia in various host species, and diagnosis and treatment of these fungal organisms can be particularly challenging. Fourteen microsporidial species have been reported to infect humans and some of them are zoonotic; however, to date, direct zoonotic transmission is difficult to document versus transit through the digestive tract. In this context, summarizing information available about microsporidiosis of companion exotic animals is relevant due to the proximity of these animals to their owners. Diagnostic modalities and therapeutic challenges are reviewed by taxa. Further studies are needed to better assess risks associated with animal microsporidia for immunosuppressed owners and to improve detection and treatment of infected companion animals.
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Welle KR. Pharmaceutical Toxicoses. J Exot Pet Med 2015. [DOI: 10.1053/j.jepm.2015.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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