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Rosas-Navarro J, Gaillot H, Agoulon A, Ferri C, Ruel Y, Paoletti C, Quinton JF, Curros-Moreno Á, Gouni V. Epidemiological, clinical, radiographic, echocardiographic findings and outcome in client-owned guinea pigs (Cavia porcellus) with cardiac disease: 80 cases (2010-2021). J Am Vet Med Assoc 2023; 261:865-873. [PMID: 36884380 DOI: 10.2460/javma.22.10.0462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 02/12/2023] [Indexed: 03/09/2023]
Abstract
OBJECTIVE To characterize epidemiological, clinical, radiographic, and echocardiographic features of cardiac diseases in guinea pigs examined at a referral exotics center. ANIMALS 80 guinea pigs. PROCEDURES Medical records of guinea pigs that had echocardiography performed between June 2010 and January 2021 were reviewed. RESULTS The percentage of guinea pig patients with cardiovascular disease was 2.8%. Clinical signs included dyspnea (46/80), lethargy (18/80), and anorexia (10/80). The most common physical examination finding was heart murmur (10/80). Radiographic abnormalities included subjective cardiomegaly (37/67), pleural effusion (21/67), and increased lung opacity (40/67). Median (range) vertebral heart score on right lateral (48/67) and ventrodorsal (39/67) projections was 9.0 vertebrae (6.6 to 13.2 vertebrae) and 10.8 vertebrae (7.9 to 13.2 vertebrae), respectively. The most common echocardiographic diagnosis was cardiomyopathy (30/80), categorized as restrictive (11/30), hypertrophic (10/30), or dilated (9/10). Other cardiac diseases included cor pulmonale (21/80), pericardial effusion (18/80), congenital heart disease (6/80), acquired valvular disease (3/80), and cardiovascular mass (2/80). Congestive heart failure was present in 36 of 80. Median survival time from diagnosis was 2.5 months (95% CI, 1.1 to 6.2 months). Animals that died from heart disease had a significantly shorter survival time than those that died from a noncardiac disease (P = .02). CLINICAL RELEVANCE On radiographs, cardiomegaly, pleural effusion, and alveolar or interstitial lung pattern should be considered as indications for echocardiography in guinea pigs. Cardiomyopathy (restrictive, hypertrophic, or dilated), cor pulmonale, and pericardial effusion were the most common echocardiographic diagnoses. Further studies on diagnosis and treatment of cardiovascular diseases in guinea pigs are needed.
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Affiliation(s)
- José Rosas-Navarro
- 1Department of Exotic Animals, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Hugues Gaillot
- 2Department of Diagnostic Imaging, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | | | - Carlotta Ferri
- 4Department of Internal Medicine, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Yannick Ruel
- 2Department of Diagnostic Imaging, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Carlo Paoletti
- 1Department of Exotic Animals, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Jean-François Quinton
- 1Department of Exotic Animals, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Ángel Curros-Moreno
- 1Department of Exotic Animals, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
| | - Vassiliki Gouni
- 4Department of Internal Medicine, Centre Hospitalier Vétérinaire ADVETIA, Vélizy-Villacoublay, France
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Godart PO, Ruel Y, Bertal M, Esmieu S, Gouni V, Agoulon A, Gaillot H. Accuracy of the modified vertebral heart score and the cardio-vertebral ratio for radiographic evaluation of cardiomegaly in ferrets. Vet Radiol Ultrasound 2023; 64:173-182. [PMID: 36336835 DOI: 10.1111/vru.13185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 08/31/2022] [Accepted: 09/17/2022] [Indexed: 11/09/2022] Open
Abstract
Thoracic radiography is commonly used to assess the size of the heart and diagnose cardiac disease in ferrets. Several standardized radiographic heart size indicators have been introduced in this species and values in healthy ferrets have been reported. To date, none of these indicators has been tested in ferrets with cardiac disease. The aim of this prospective and retrospective, analytical observational design study was to assess the accuracy of the modified vertebral heart score (mVHS) and the cardio-vertebral ratio (CVR) in the radiographic detection of cardiomegaly in ferrets. Thoracic radiographs of 24 ferrets with confirmed heart diseases, 22 ferrets with non-cardiac diseases and normal-sized hearts on echocardiogram, and 24 healthy ferrets were mixed and examined by three independent and blinded radiologists who measured mVHS and CVR in right lateral (RL) and ventrodorsal (VD) radiographs. For all readers, ferrets with cardiac disease had significantly higher mVHS and CVR than ferrets without cardiac disease on echocardiography. Optimal cut-points for predicting cardiac enlargement were 6.25 vertebrae and 7.25 vertebrae for RL-mVHS and VD-mVHS, and 1.58 and 1.80 for RL-CVR and VD-CVR, respectively. Using these cut-points, the accuracy was good for indicators measured in RL radiographs (92.9% for RL-mVHS; 91.4% for RL-CVR) and moderate for indicators measured in VD radiographs (88.6% for VD-mVHS; 85.7% for VD-CVR). Findings supported the use of mVHS and CVR for evaluating the size of the heart in diseased ferrets, with caution in values interpretation when pericardial fat prevents precise delineation of the cardiac silhouette contour especially on VD radiographs.
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Affiliation(s)
- Pierre-Olivier Godart
- Unité d'Imagerie Médicale, ADVETIA Centre Hospitalier Vétérinaire, Vélizy-Villacoublay, France
| | - Yannick Ruel
- Unité d'Imagerie Médicale, ADVETIA Centre Hospitalier Vétérinaire, Vélizy-Villacoublay, France
| | - Mileva Bertal
- Unité d'Imagerie Médicale, ADVETIA Centre Hospitalier Vétérinaire, Vélizy-Villacoublay, France
| | - Shanti Esmieu
- Department of Diagnostic Imaging, Dick White Referrals, Six Mile Bottom, Cambridgeshire, UK
| | - Vassiliki Gouni
- Unité de Cardiologie, ADVETIA Centre Hospitalier Vétérinaire, Vélizy-Villacoublay, France
| | | | - Hugues Gaillot
- Unité d'Imagerie Médicale, ADVETIA Centre Hospitalier Vétérinaire, Vélizy-Villacoublay, France
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Arti L, Papageorgiou S, Gaillot H, Gnirs K. What Is Your Neurologic Diagnosis? J Am Vet Med Assoc 2022; 261:197-200. [PMID: 36315453 DOI: 10.2460/javma.22.07.0276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lea Arti
- Advetia Centre Hospitalier Vétérinaire, Velizy-Villacoublay, France
| | | | - Hugues Gaillot
- Advetia Centre Hospitalier Vétérinaire, Velizy-Villacoublay, France
| | - Kirsten Gnirs
- Advetia Centre Hospitalier Vétérinaire, Velizy-Villacoublay, France
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Thorel M, Mateos-Hernandez L, Mulot B, Azzouni MN, Hodžić A, Gaillot H, Ruel Y, Desoubeaux G, Delaye JB, Obregon D, Wu-Chuang A, de la Fuente J, Bermúdez-Humarán LG, Risco-Castillo V, Leclerc A, Cabezas-Cruz A. Assessment of the Safety and Efficacy of an Oral Probiotic-Based Vaccine Against Aspergillus Infection in Captive-Bred Humboldt Penguins ( Spheniscus humboldti). Front Immunol 2022; 13:897223. [PMID: 35634323 PMCID: PMC9137413 DOI: 10.3389/fimmu.2022.897223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/05/2022] [Indexed: 11/13/2022] Open
Abstract
Aspergillosis is a fungal infection caused mainly by Aspergillus fumigatus that often results in respiratory disease in birds. Aspergillosis is a major cause of morbidity and mortality in captive-bred penguin species. Currently, there is no registered vaccine to prevent aspergillosis. Recent research demonstrated that oral administration of gram-negative bacteria expressing high levels of galactose-α-1,3-galactose (α-Gal) modulates anti-α-Gal immunity and protects turkeys from clinical aspergillosis caused by experimental A. fumigatus infection. The role of anti-α-Gal immunity in penguins has not been studied. Here, we tested the distribution of α-1,3-galactosyltransferase (α1,3GT) genes in the fecal microbiome of Humboldt penguins (Spheniscus humboldti). The occurrence of natural anti-α-Gal antibodies (Abs) in sera and eggs of healthy Humboldt penguins was also assessed. A trial was then conducted to test whether oral administration of Escherichia coli Nissle, expressing high α-Gal levels, modulates anti-α-Gal immunity in a colony of Humboldt penguins. Animals in the vaccination and placebo groups were evaluated before the trial and followed for one year for aspergillosis detection using a diagnostic panel including computed tomography scans, capillary zone electrophoresis, 3-hydroxybutyrate levels, and anti-A. fumigatus Abs. Anti-α-Gal Abs were detected in sera (IgM and IgY) and eggs (IgY) of healthy penguins. Microbiota analysis and functional predictions revealed the presence of α1,3GT genes in the microbiota of Humboldt penguins and other penguin species. A strong decrease in anti-α-Gal IgM levels was observed in all animals in the placebo group three months after vaccination protocol. This decrease was not observed in E. coli Nissle-treated penguins. After the vaccination protocol, we found a positive correlation between anti-E. coli IgY and anti-α-Gal IgY in the E. coli Nissle group, suggesting a correlation between the presence of the bacteria and these Abs. During the study period, three penguins exhibited respiratory signs consistent with aspergillosis. Two were from the placebo group whose symptoms resolved with specific treatments, while a single vaccinated individual developed fatal respiratory aspergillosis eight months after the trial. We conclude that E. coli Nissle represents a safe potential probiotic with a protective effect against aspergillosis in Humboldt penguins that deserves to be further explored for therapeutic uses in these animals.
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Affiliation(s)
- Milan Thorel
- ZooParc de Beauval and Beauval Nature, Saint-Aignan-sur-Cher, France
| | - Lourdes Mateos-Hernandez
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Baptiste Mulot
- ZooParc de Beauval and Beauval Nature, Saint-Aignan-sur-Cher, France
| | - Mouna Naila Azzouni
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Adnan Hodžić
- Department of Pathobiology, Institute of Parasitology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Hugues Gaillot
- ADVETIA Veterinary Hospital Center, Vélizy-Villacoublay, France
| | - Yannick Ruel
- ADVETIA Veterinary Hospital Center, Vélizy-Villacoublay, France
| | - Guillaume Desoubeaux
- CHU de Tours, Service de Parasitologie, Mycologie, Médecine Tropicale, Tours, France
- Université de Tours, Inserm U1100 – Centre d’Etude des Pathologies Respiratoires, Faculté de Médecine, Tours, France
| | - Jean-Baptiste Delaye
- CHU de Tours, Pôle de Biologie médicale, Laboratoire de Médecine Nucléaire In Vitro – Centre Régional de Dépistage Néonatal, Tours, France
| | - Dasiel Obregon
- School of Environmental Sciences, University of Guelph, Guelph, ON, Canada
| | - Alejandra Wu-Chuang
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - José de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ciudad Real, Spain
- Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, United States
| | | | - Veronica Risco-Castillo
- EA 7380 Dynamyc, UPEC, USC, ANSES, Ecole nationale vétérinaire d’Alfort, Université Paris-Est, Maisons-Alfort, France
| | - Antoine Leclerc
- ZooParc de Beauval and Beauval Nature, Saint-Aignan-sur-Cher, France
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
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Hoffmann AC, Ruel Y, Gnirs K, Papageorgiou S, Zilberstein L, Nahmani S, Boddaert N, Gaillot H. Brain perfusion magnetic resonance imaging using pseudocontinuous arterial spin labeling in 314 dogs and cats. J Vet Intern Med 2021; 35:2327-2341. [PMID: 34291497 PMCID: PMC8478041 DOI: 10.1111/jvim.16215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 11/30/2022] Open
Abstract
Background Arterial spin labeling (ASL) is a noninvasive brain perfusion magnetic resonance imaging (MRI) technique that has not been assessed in clinical veterinary medicine. Hypothesis/Objectives To test the feasibility of ASL using a 1.5 Tesla scanner and provide recommendations for optimal quantification of cerebral blood flow (CBF) in dogs and cats. Animals Three hundred fourteen prospectively selected client‐owned dogs and cats. Methods Each animal underwent brain MRI including morphological sequences and ≥1 ASL sequences using different sites of blood labeling and postlabeling delays (PLD). Calculated ASL success rates were compared. The CBF was quantified in animals that had morphologically normal brain MRI results and parameters of ASL optimization were investigated. Results Arterial spin labeling was easily implemented with an overall success rate of 95% in animals with normal brain MRI. Technical recommendations included (a) positioning of the imaging slab at the foramen magnum and (b) selected PLD of 1025 ms in cats and dogs <7 kg, 1525 ms in dogs 7 to 38 kg, and 2025 ms in dogs >38 kg. In 37 dogs, median optimal CBF in the cortex and thalamic nuclei were 114 and 95 mL/100 g/min, respectively. In 28 cats, median CBF in the cortex and thalamic nuclei were 113 and 114 mL/100 g/min, respectively. Conclusions and Clinical Importance Our survey of brain perfusion ASL‐MRI demonstrated the feasibility of ASL at 1.5 Tesla, suggested technical recommendations and provided CBF values that should be helpful in the characterization of various brain diseases in dogs and cats.
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Affiliation(s)
- Anne-Cécile Hoffmann
- Unit of Diagnostic Imaging, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
| | - Yannick Ruel
- Unit of Diagnostic Imaging, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
| | - Kirsten Gnirs
- Unit of Neurology, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
| | - Stella Papageorgiou
- Unit of Neurology, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
| | - Luca Zilberstein
- Unit of Anesthesiology-Analgesia, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
| | - Sarah Nahmani
- Paediatric Radiology Department, AP-HP, Hôpital Necker Enfants Malades, Université de Paris, Paris, France
| | - Nathalie Boddaert
- Paediatric Radiology Department, AP-HP, Hôpital Necker Enfants Malades, Université de Paris, Paris, France.,Universié de Paris, Institut Imagine INSERM U1163, Paris, France
| | - Hugues Gaillot
- Unit of Diagnostic Imaging, ADVETIA Veterinary Referral Hospital, Vélizy-Villacoublay, France
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Fritz J, Gaillot H, Ruel Y. Helical computed tomographic-dacryocystography in adult pet dwarf rabbits: procedure and normal appearance. VLAAMS DIERGEN TIJDS 2020. [DOI: 10.21825/vdt.v89i6.17412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Partial or complete nasolacrimal drainage system (NLDS) occlusion is a common clinical concern in rabbits. It can be assumed that computed tomographic-dacryocystography (CTDCG) might be an efficient technique in this indication. In this prospective study, the technique of CT-DCG and the appearance of the NLDS in eight healthy rabbits on CT-DCG images are described. The quality of visualization of bony structures adjacent to the NLDS was good on pre-contrast computed tomographic images. The bony lacrimal canal had a smooth contour, a regular diameter, and its mean dimensions are provided. CT-DCG technique was easy to perform and offered a good visualization of the NLDS including anatomical narrowings and bendings. CT-DCG is a minimally invasive and informative technique for evaluating the NLDS in rabbits. Its diagnostic usefulness in exploring nasolacrimal diseases remains to be specified in this species.
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Tiret L, Blot S, Kessler JL, Gaillot H, Breen M, Panthier JJ. The cnm locus, a canine homologue of human autosomal forms of centronuclear myopathy, maps to chromosome 2. Hum Genet 2003; 113:297-306. [PMID: 12884002 DOI: 10.1007/s00439-003-0984-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2003] [Accepted: 06/06/2003] [Indexed: 10/26/2022]
Abstract
Myotubular/centronuclear myopathies are a nosological group of hereditary disorders characterised by severe architectural and metabolic remodelling of skeletal muscle fibres. In most myofibres, nuclei are found at an abnormal central position within a halo devoid of myofibrillar proteins. The X-linked form (myotubular myopathy) is the most prevalent and severe form in human, leading to death during early postnatal life. Maturation of fibres is not completed and fibres resemble myotubes. Linkage analysis in human has helped to identify MTM1 as the morbid gene. MTM1 encodes myotubularin, a dual protein phosphatase. In families in which myotubular myopathy segregates, detected mutations in MTM1 abolish the specific phosphatase activity targeting the second messenger phosphatidylinositol 3-phosphate. Autosomal forms (centronuclear) have a later onset and are often compatible with life. At birth, fibres are normally constituted but progressively follow remodelling with a secondary centralisation of nuclei. Their prevalence is low; hence, no linkage data can be performed and no molecular aetiology is known. In the Labrador Retriever, a spontaneous disorder strikingly mimics the clinical evolution of the human centronuclear myopathy. We have established a canine pedigree and show that the disorder segregates as an autosomal recessive trait in that pedigree. We have further mapped the dog locus to a region on chromosome 2 that is orthologous to human chromosome 10p. To date, no human MTM1 gene member has been mapped to this genetic region. This report thus describes the first spontaneous mammalian model of centronuclear myopathy and defines a new locus for this group of diseases.
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Affiliation(s)
- Laurent Tiret
- UMR 955 INRA-ENVA de Génétique Moléculaire et Cellulaire, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
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