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Popa T, Peștean CP, Constantin I, Cofaru A, Murariu R, Tăbăran FA, Scurtu IC. Left-to-Left Acquired Cardiac Shunt: Aorto-Left Atrial Fistula Due to Aortic Infective Endocarditis in a Dog. Animals (Basel) 2024; 14:2451. [PMID: 39272236 PMCID: PMC11394602 DOI: 10.3390/ani14172451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 08/09/2024] [Accepted: 08/20/2024] [Indexed: 09/15/2024] Open
Abstract
Infective endocarditis is a severe but rarely diagnosed disease, characterized by the presence of bacterial infection at the level of the cardiac valves. Although the incidence of the disease is very low, the consequences are severe and the prognosis is very poor, outlining a high mortality rate among cases. The present report highlights the case of a 7-year-old dog presented with abrupt changes in the respiratory pattern, obtunded and in lateral recumbency. The physical examination of the patient revealed fever and a IV/VI systolic heart murmur, with the point of maximal intensity on the left hemithorax. Echocardiography identified hyperechoic and cavitary changes beneath the aortic valves and a retrograde turbulent jet originating in the left ventricle outflow tract communicating with the left atrium through a rupture in the aortomitral intervalvular wall. Because of very unstable hemodynamic changes, the dog suddenly died despite the initiation of intensive care supportive treatment, and the postmortem evaluation of the heart confirms the suspicion of infective aortic endocarditis with the development of a paravalvular abscess and an aorto-left atrial fistula.
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Affiliation(s)
- Teodora Popa
- Department of Small Animal Internal Medicine, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Cosmin Petru Peștean
- Department of Surgical Techniques and Propaedeutics, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Irina Constantin
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Alexandra Cofaru
- Department of Small Animal Internal Medicine, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Raluca Murariu
- Department of Small Animal Internal Medicine, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Flaviu-Alexandru Tăbăran
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Iuliu Călin Scurtu
- Department of Small Animal Internal Medicine, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
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2
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Saavedra A, Carpenter A, Ierardi R, Wiggen KE. Candida tropicalis infectious endocarditis in a dog with a patent ductus arteriosus. J Vet Cardiol 2024; 54:1-6. [PMID: 38838576 DOI: 10.1016/j.jvc.2024.04.004] [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] [Received: 12/29/2023] [Revised: 04/11/2024] [Accepted: 04/14/2024] [Indexed: 06/07/2024]
Abstract
A 6-month-old male intact miniature Australian Shepherd presented for surgical consultation for a previously diagnosed patent ductus arteriosus. Echocardiogram revealed a patent ductus arteriosus and a hyperechoic oscillating lesion within the main pulmonary artery. Blood cultures and eventual post-mortem examination revealed Candida tropicalis endocarditis. This case report highlights a rare case of fungal endocarditis with both echocardiographic and post-mortem findings.
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Affiliation(s)
- A Saavedra
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, 900 East Campus Drive, Columbia, MO, 65211, USA
| | - A Carpenter
- Veterinary Medical Diagnostic Laboratory, University of Missouri, 901 East Campus Loop, Columbia, MO, 65211, USA
| | - R Ierardi
- Veterinary Medical Diagnostic Laboratory, University of Missouri, 901 East Campus Loop, Columbia, MO, 65211, USA
| | - K E Wiggen
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, 900 East Campus Drive, Columbia, MO, 65211, USA.
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3
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Previti A, Biondi V, Passantino A, Or ME, Pugliese M. Canine Bacterial Endocarditis: A Text Mining and Topics Modeling Analysis as an Approach for a Systematic Review. Microorganisms 2024; 12:1237. [PMID: 38930619 PMCID: PMC11205685 DOI: 10.3390/microorganisms12061237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Bacterial endocarditis (BE) is a severe infection of the endocardium and cardiac valves caused by bacterial agents in dogs. Diagnosis of endocarditis is challenging due to the variety of clinical presentations and lack of definitive diagnostic tests in its early stages. This study aims to provide a research literature analysis on BE in dogs based on text mining (TM) and topic analysis (TA) identifying dominant topics, summarizing their temporal trend, and highlighting any possible research gaps. A literature search was performed utilizing the Scopus® database, employing keywords pertaining to BE to analyze papers published in English from 1990 to 2023. The investigation followed a systematic approach based on the PRISMA guidelines. A total of 86 records were selected for analysis following screening procedures and underwent descriptive statistics, TM, and TA. The findings revealed that the number of records published per year has increased in 2007 and 2021. TM identified the words with the highest term frequency-inverse document frequency (TF-IDF), and TA highlighted the main research areas, in the following order: causative agents, clinical findings and predisposing factors, case reports on endocarditis, outcomes and biomarkers, and infective endocarditis and bacterial isolation. The study confirms the increasing interest in BE but shows where further studies are needed.
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Affiliation(s)
- Annalisa Previti
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (A.P.); (V.B.); (M.P.)
| | - Vito Biondi
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (A.P.); (V.B.); (M.P.)
| | - Annamaria Passantino
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (A.P.); (V.B.); (M.P.)
| | - Mehmet Erman Or
- Faculty of Veterinary Medicine, İstanbul University-Cerrahpasa, 34098 Istanbul, Turkey;
| | - Michela Pugliese
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (A.P.); (V.B.); (M.P.)
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Donoghue EM, Lawhon SD, Kerwin SC, Jeffery ND. Causal Agent Investigation and Treatment of Dogs Diagnosed with Discospondylitis in a Brucella canis Endemic Region. Vet Sci 2024; 11:279. [PMID: 38922026 PMCID: PMC11209358 DOI: 10.3390/vetsci11060279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/31/2024] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
Discospondylitis is a well-recognized disease in dogs, but the relative prevalence of causal infectious agents and efficiency of relevant diagnostic tests are not well-established. Medical record review identified 117 dogs diagnosed with discospondylitis in our clinic over a 5-year period. In 32 dogs, discospondylitis was diagnosed as an incidental imaging finding; 24 of these dogs had concomitant neoplasia. A likely causal infection was identified in 45 of the remaining 85 dogs in which blood and urine cultures, serology for Brucella spp., and galactomannan fungal antigen testing were recommended. Ten dogs were diagnosed with Brucella canis, and ten were diagnosed with suspected fungal infection. Brucella suis serology was negative in all 35 dogs that were tested. Blood cultures were positive in 28 of 71 (39%) tested dogs, and urine culture was positive in 12 of 79 (15%). Cultures were positive from the lesion site of four of eight dogs that underwent surgery and one of the five dogs that underwent image-guided lesion sample collection. Subluxation secondary to discospondylitis was stabilized with metallic implants in four dogs. A similar proportion of known satisfactory treatment outcomes at last follow-up were recorded in dogs that had suspected fungal disease, other bacterial infections, or were Brucella-positive and in those dogs with imaging diagnosis only, although some individuals continued to receive anti-microbial agents or showed recurrent signs. These data support the value of blood culture in discospondylitis and suggest a relatively high prevalence of infection with Brucella spp. and suspected fungal infection.
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Affiliation(s)
- Eileen M. Donoghue
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX 77843, USA; (E.M.D.); (S.C.K.)
| | - Sara D. Lawhon
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX 77843, USA;
| | - Sharon C. Kerwin
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX 77843, USA; (E.M.D.); (S.C.K.)
| | - Nick D. Jeffery
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX 77843, USA; (E.M.D.); (S.C.K.)
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5
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Carrillo AJ, Rivera P, Walker RT, Farina LL, Benjamin EJ. Aorto-left atrial fistula secondary to aortic infective endocarditis in a dog with a bicuspid aortic valve. J Vet Cardiol 2024; 53:13-19. [PMID: 38565003 DOI: 10.1016/j.jvc.2024.02.009] [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] [Received: 08/31/2023] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 04/04/2024]
Abstract
An 11-year-old male neutered American bulldog was presented for evaluation of thrombocytopenia, acute onset of ataxia, and vomiting. A new murmur was auscultated on physical examination. Transthoracic echocardiographic examination revealed a bicuspid aortic valve, vegetative lesions on the aortic valve, and continuous shunting from the aortic root to the left atrium through an aorta to left atrial fistula. The dog was euthanized due to its guarded prognosis and critical condition. Pathological examination confirmed presence of a bicuspid aortic valve, aorto-left atrial fistula, and aortic infective endocarditis. Antemortem blood culture revealed two unusual organisms: Achromobacter xylosoxidans and Fusobacterium mortiferum.
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Affiliation(s)
- A J Carrillo
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Ave, PO Box 100116, Gainesville, FL 32610-0116, USA
| | - P Rivera
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Ave, PO Box 100116, Gainesville, FL 32610-0116, USA
| | - R T Walker
- Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, 2015 SW 16th Ave, PO Box 100123, Gainesville, FL 32610-0123, USA
| | - L L Farina
- Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, 2015 SW 16th Ave, PO Box 100123, Gainesville, FL 32610-0123, USA
| | - E J Benjamin
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Ave, PO Box 100116, Gainesville, FL 32610-0116, USA.
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Cocco R, Sechi S, Rizzo M, Bonomo A, Arfuso F, Giudice E. Haematochemical Profile of Healthy Dogs Seropositive for Single or Multiple Vector-Borne Pathogens. Vet Sci 2024; 11:205. [PMID: 38787177 PMCID: PMC11126013 DOI: 10.3390/vetsci11050205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 04/24/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND the present study aimed to investigate the immunological response to common vector-borne pathogens and to evaluate their impact on haematochemical parameters in owned dogs. METHODS Blood samples were collected from 400 clinically healthy dogs living in an endemic area (Sardinia Island, Italy). All dogs were serologically tested for VBDs and divided into groups based on their negative (Neg) or positive response towards Ehrlichia (Ehrl), Rickettsia (Rick), Leishmania (Leish), Borrelia (Borr), Anaplasma (Anapl), and Bartonella (Barto). A Kruskall-Wallis's test, followed by Dunn's post hoc comparison test, was applied to determine the statistical effect of negativity and single or multiple positivity on the studied parameters. RESULTS the group of dogs simultaneously presenting antibodies towards Leishmania, Ehrlichia, and Rickettsia showed higher values of total proteins, globulins, creatine phosphokinase, aspartate aminotransferase, alanine aminotransferase, and amylase than dogs that tested negative or dogs with antibodies toward a single pathogen investigated herein. CONCLUSIONS Our results seem to suggest that exposure to more vector-borne pathogens could lead to greater liver function impairment and a greater inflammatory state. Further investigations are needed in order to better clarify how co-infections affect haematochemical patterns in dogs living in endemic areas of VBDs.
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Affiliation(s)
- Raffaella Cocco
- Department of Veterinary Sciences, Teaching Veterinary Hospital, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (R.C.); (S.S.)
| | - Sara Sechi
- Department of Veterinary Sciences, Teaching Veterinary Hospital, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (R.C.); (S.S.)
| | - Maria Rizzo
- Department of Veterinary Sciences, University of Messina, Polo Universitario dell’Annunziata, 98168 Messina, Italy; (A.B.); (F.A.); (E.G.)
| | - Andrea Bonomo
- Department of Veterinary Sciences, University of Messina, Polo Universitario dell’Annunziata, 98168 Messina, Italy; (A.B.); (F.A.); (E.G.)
| | - Francesca Arfuso
- Department of Veterinary Sciences, University of Messina, Polo Universitario dell’Annunziata, 98168 Messina, Italy; (A.B.); (F.A.); (E.G.)
| | - Elisabetta Giudice
- Department of Veterinary Sciences, University of Messina, Polo Universitario dell’Annunziata, 98168 Messina, Italy; (A.B.); (F.A.); (E.G.)
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7
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Maneval KL, Winter RL, Hlusko KC, Rajeev M. Thoracic Trauma Causing an Acquired Gerbode Defect, Aortic Sinus Rupture, and Third-Degree Atrioventricular Block With Secondary Endocarditis in a Dog. CASE (PHILADELPHIA, PA.) 2024; 8:308-314. [PMID: 38765630 PMCID: PMC11096664 DOI: 10.1016/j.case.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
•Gerbode defects are high-velocity, systolic LV-RA shunts. •Gerbode defects are rare across species; the most common etiology is acquired. •IE and arrhythmias can be fatal complications of Gerbode defects. •Aortic sinus rupture may be traumatic in origin in the dog.
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Affiliation(s)
- Kara L. Maneval
- Department of Clinical Sciences, Auburn University, College of Veterinary Medicine, Auburn, Alabama
| | - Randolph L. Winter
- Department of Clinical Sciences, Auburn University, College of Veterinary Medicine, Auburn, Alabama
| | - Katelyn C. Hlusko
- Department of Clinical Sciences, Auburn University, College of Veterinary Medicine, Auburn, Alabama
| | - Meenakshi Rajeev
- Department of Clinical Sciences, Auburn University, College of Veterinary Medicine, Auburn, Alabama
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Iuliani K, Lawler A, Schrope D, Locke E. Echocardiographic and pathologic identification of an aorto-left atrial fistula secondary to infective endocarditis in a canine patient. J Vet Cardiol 2024; 52:61-67. [PMID: 38430823 DOI: 10.1016/j.jvc.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 01/25/2024] [Accepted: 02/04/2024] [Indexed: 03/05/2024]
Abstract
A dog was presented for lameness, fever, and extreme lethargy. On physical exam, a new heart murmur, arrhythmia, and joint effusion were detected. These findings were not detected two months prior. A diagnostic work-up confirmed septic suppurative inflammation in multiple joints. Echocardiogram revealed aortic valvular endocarditis along with a communication, as a consequence of a fistula, that extended from just below the aortic sinotubular junction to the left atrial lumen. Due to a poor prognosis, humane euthanasia was elected. Necropsy and histopathology confirmed infective endocarditis of the aortic valve and an aorto-left atrial fistulous tract extending from the left coronary sinus of the aortic valve to the lumen of left atrium.
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Affiliation(s)
- K Iuliani
- Oradell Animal Hospital, 580 Winters Ave, Paramus, NJ, 07652, USA.
| | - A Lawler
- Oradell Animal Hospital, 580 Winters Ave, Paramus, NJ, 07652, USA
| | - D Schrope
- Oradell Animal Hospital, 580 Winters Ave, Paramus, NJ, 07652, USA
| | - E Locke
- Antech Diagnostics, 7555 Danbro Crescent, Mississauga, ON, L5N 6P9, Canada
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9
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Rolph MJ, Bolfa P, Cavanaugh SM, Rolph KE. Fluorescent In Situ Hybridization for the Detection of Intracellular Bacteria in Companion Animals. Vet Sci 2024; 11:52. [PMID: 38275934 PMCID: PMC10821249 DOI: 10.3390/vetsci11010052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/10/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
FISH techniques have been applied for the visualization and identification of intracellular bacteria in companion animal species. Most frequently, these techniques have focused on the identification of adhesive-invasive Escherichia coli in gastrointestinal disease, although various other organisms have been identified in inflammatory or neoplastic gastrointestinal disease. Previous studies have investigated a potential role of Helicobacter spp. in inflammatory gastrointestinal and hepatic conditions. Other studies evaluating the role of infectious organisms in hepatopathies have received some attention with mixed results. FISH techniques using both eubacterial and species-specific probes have been applied in inflammatory cardiovascular, urinary, and cutaneous diseases to screen for intracellular bacteria. This review summarizes the results of these studies.
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Affiliation(s)
| | | | | | - Kerry E. Rolph
- Center for Integrative Mammalian Research, Ross University School of Veterinary Medicine, Basseterre P.O. Box 334, Saint Kitts and Nevis
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Slaviero M, de Almeida BA, da Silva EMS, Konflanz C, Zitelli LC, Siqueira FM, Pavarini SP. Streptococcus canis prostatitis and endocarditis with thromboembolism in a dog with sertoli cell tumour in a cryptic testis and prostatic squamous metaplasia. Vet Res Commun 2023; 47:1759-1766. [PMID: 36717508 DOI: 10.1007/s11259-022-10065-y] [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] [Received: 10/18/2022] [Accepted: 12/28/2022] [Indexed: 02/01/2023]
Abstract
We describe an unusual case of prostatitis caused by Streptococcus canis evolving to endocarditis and splenic, renal, and cerebral thromboembolism in a dog, associated with a Sertoli cell tumour in a cryptic testis and diffuse prostatic squamous metaplasia. A nine-year-old, intact male, mixed-breed dog was presented to a veterinary teaching hospital with abdominal pain and prostration. Physical examination and abdominal ultrasonography revealed an atrophic right testicle located in the subcutaneous tissue. The left testicle was in the abdominal cavity with increased dimensions and irregular contours. Complete blood count analysis showed marked neutrophilic leukocytosis and thrombocytopenia. After clinical worsening, euthanasia was performed, and the dog was submitted to post-mortem examination. The main gross findings included testicular malposition with one cryptic and one ectopic testis, enlarged prostate with purulent content, distension of the urinary bladder with cloudy urine, vegetative valvular endocarditis in the mitral valve, and spleen and renal infarcts. Histological examination showed a Sertoli cell tumour in the abdominal testis, diffuse prostatic squamous metaplasia with marked keratinization associated with bacterial prostatitis, fibrinonecrotic cystitis, bacterial endocarditis with marked myxomatous degeneration in the mitral valve, and splenic, renal, and cerebral thromboembolism. Microbiological analysis identified Streptococcus canis in the prostate and mitral valve. Sertoli cell tumour of cryptic testis increases oestrogen production and leads to squamous metaplasia of the prostate, which should be considered as predisposing factors for ascending S. canis infection from the urogenital tract to the prostate. Then, haematogenous spread of S. canis from the prostate to mitral valve cause endocarditis and subsequent thromboembolism and infarcts, all decisive to poor prognosis in this case.
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Affiliation(s)
- Mônica Slaviero
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, 91540-000, Porto Alegre, RS, Brazil.
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
| | - Bruno Albuquerque de Almeida
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, 91540-000, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Emanoelly Machado Sousa da Silva
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, 91540-000, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Caroline Konflanz
- Veterinary Clinic Hospital, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Larissa Caló Zitelli
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Veterinary Bacteriology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Franciele Maboni Siqueira
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Veterinary Bacteriology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Saulo Petinatti Pavarini
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, 91540-000, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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11
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Schreiber A, Epstein SE, Byrne BA, Reagan KL. Survey of Bacterial Isolates and Their Antimicrobial Susceptibility Patterns from Dogs with Infective Endocarditis. Pathogens 2023; 12:1011. [PMID: 37623971 PMCID: PMC10458812 DOI: 10.3390/pathogens12081011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/29/2023] [Accepted: 07/31/2023] [Indexed: 08/26/2023] Open
Abstract
Infective endocarditis (IE) is a potentially fatal disease in dogs. Limited information exists regarding the characterization of bacterial isolates from dogs with IE. The objective of this study was to describe bacterial isolates associated with IE and their antimicrobial susceptibility patterns. A retrospective analysis of dogs with IE and bacterial isolates was performed, and antimicrobial susceptibility was interpreted using current veterinary cut points where available. The susceptibility rate was assessed for association with survival and previous antimicrobial administration. Fifty-one bacterial isolates were identified from 45 dogs, and 33 had antimicrobial susceptibility performed. Staphylococcus spp. (14/51; 27.5%) was the most common organism. Antimicrobials with the lowest susceptibility rate were ampicillin (19/26; 73%), doxycycline (16/22; 73%), and enrofloxacin (22/29; 76%) with 12/33 (36%) of isolates exhibiting multidrug resistance (MDR). Individual antimicrobial resistances and the MDR rate were not associated with a difference in survival rate. Bacterial isolates from dogs that had received fluoroquinolone antimicrobials in the month before diagnosis had a higher rate of non-intrinsic fluoroquinolones resistance (5/8;62.5%) compared to those that did not receive fluoroquinolones (2/21; 9.5%) (p = 0.03). Antimicrobial resistance and MDR phenotype were common in this study. Culture and antimicrobial susceptibility testing should be pursued in dogs with IE to help guide antimicrobial therapy.
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Affiliation(s)
- Alexander Schreiber
- VCA Animal Specialty Emergency Center, 1535 S Sepulveda Blvd, Los Angeles, CA 90025, USA;
| | - Steven E. Epstein
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616, USA;
| | - Barbara A. Byrne
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616, USA;
| | - Krystle L. Reagan
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA 95615, USA
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12
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Vuong KS, Jones M, Craig LE. Postmortem Evaluation of Cardiac Valvular Disease in Bald Eagles ( Haliaeetus leucocephalus) and a Golden Eagle ( Aquila chrysaetos). J Avian Med Surg 2023; 37:22-31. [PMID: 37358206 DOI: 10.1647/1082-6742-37.1.22] [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: 06/27/2023]
Abstract
Limited data are available regarding cardiac diseases in birds of prey despite their prevalence in these avian species. Literature regarding valvular lesions in birds of prey is scarce and includes single reports of left atrioventricular valvular endocarditis in an adult, free-ranging, male bald eagle (Haliaeetus leucocephalus) and aortic valvular endocarditis in an adult, free-ranging, female red-tailed hawk (Buteo jamaicensis). The purpose of this study was to evaluate the prevalence, signalment, gross necropsy findings, and histologic lesions of valvular lesions in eagles. In this retrospective study, necropsy reports for 24 free-ranging and captive eagles were evaluated over a 15-year period (July 3, 2006-February 28, 2021). Six (25%; 95% confidence interval: 8.9-58.9) birds, 5 bald eagles and 1 golden eagle (Aquila chrysaetos), met the inclusion criteria. Five (83.3%) of the 6 birds had valvular degeneration, 2 (33.3%) had endocarditis, and Staphylococcus aureus was cultured from 1 (16.7%) of the endocarditis cases. The 6 eagles with valvular lesions were all captive adults. Four of the birds were female (66.7%), and the aortic and left atrioventricular valves were equally affected. Acute or chronic cerebral infarcts were present in all 6 birds. Valvular cardiac disease should be considered as a differential diagnosis in eagles exhibiting respiratory distress, neurologic signs, syncope, or in cases of sudden death.
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Affiliation(s)
- Kristina S Vuong
- Department of Small Animal Clinical Sciences, University of Tennessee, College of Veterinary Medicine, Knoxville, TN 37996, USA
| | - Michael Jones
- Department of Small Animal Clinical Sciences, University of Tennessee, College of Veterinary Medicine, Knoxville, TN 37996, USA
| | - Linden E Craig
- Department of Biomedical and Diagnostic Sciences, University of Tennessee, College of Veterinary Medicine, Knoxville, TN 37996, USA,
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Berrezaie M, Connolly D, Cruzado J, Mederska E, Dukes-McEwan J, Humm K. Infective endocarditis in dogs in the UK: 77 cases (2009-2019). J Small Anim Pract 2023; 64:78-87. [PMID: 36336849 PMCID: PMC10099803 DOI: 10.1111/jsap.13561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 09/05/2022] [Accepted: 09/12/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVES To determine the causative organisms, clinical features and outcome of canine infective endocarditis in the UK. MATERIALS AND METHODS Medical records of three veterinary referral hospitals were searched for dogs with infective endocarditis between December 2009 and December 2019. Signalment, clinical signs, causative organism, valve affected, treatment and survival data were recorded. RESULTS Seventy-seven cases with possible or definite infective endocarditis (according to the modified Duke criteria) were included. The majority were large breed (40/77 - 51.9%). There were 47 of 77 (61%) male dogs and the mean age was 7.3 ±3 years. A causative organism was identified in 26 of 77 (33.8%) cases. The most common organisms were Escherichia coli (7/27 - 25.9%), Pasteurella spp. (5/27 - 18.5%), Staphylococcus spp. (4/27 - 14.8%) and Corynebacterium spp. (4/27 - 14.8%). Bartonella spp. were not detected in any patients. The mitral valve was most commonly affected (48/77 - 62.3%). Clinical features were non-specific, with lethargy being the most common clinical sign observed (53/77 - 68.8%). Fifty-three dogs (68.8%) survived to discharge. The median survival time post discharge was 425 days (2 to 3650 days). The development of congestive heart failure was associated with a poorer outcome. Cardiac troponin concentration, antithrombotic use and the development of thromboembolism or arrhythmias were not significantly associated with outcome. CLINICAL SIGNIFICANCE Some dogs with infective endocarditis that survive to discharge can have a long lifespan. The inability to detect an underlying organism is common and Bartonella spp. may be a less prevalent cause of canine infective endocarditis in the UK than in the USA.
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Affiliation(s)
- M Berrezaie
- Department of Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
| | - D Connolly
- Department of Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
| | - J Cruzado
- Southern Counties Veterinary Specialists, Unit 6, Forest Corner Farm, Hangersley, Ringwood, Hampshire, BH24 3JW, UK
| | - E Mederska
- Department of Small Animal Clinical Science, School of Veterinary Science, Leahurst Campus, University of Liverpool, Chester High Road, Neston, CH64 7TE, UK
| | - J Dukes-McEwan
- Department of Small Animal Clinical Science, School of Veterinary Science, Leahurst Campus, University of Liverpool, Chester High Road, Neston, CH64 7TE, UK
| | - K Humm
- Department of Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
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Taber R, Pankowski A, Ludwig AL, Jensen M, Magsamen V, Lashnits E. Bartonellosis in Dogs and Cats, an Update. Vet Clin North Am Small Anim Pract 2022; 52:1163-1192. [DOI: 10.1016/j.cvsm.2022.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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15
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Reagan KL, Visser LC, Epstein SE, Stern JA, Johnson LR. Outcome and prognostic factors in infective endocarditis in dogs: 113 cases (2005-2020). J Vet Intern Med 2022; 36:429-440. [PMID: 35261088 PMCID: PMC8965206 DOI: 10.1111/jvim.16380] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 11/27/2022] Open
Abstract
Background Factors associated with outcome in dogs diagnosed with infective endocarditis (IE) are not well characterized. Objectives Evaluate outcome and prognostic factors in dogs with IE. Animals One hundred and thirteen dogs with IE. Methods Medical records for dogs that fulfilled the modified Duke criteria between 2005 and 2020 were retrospectively reviewed. Signalment, preexisting conditions, clinicopathologic findings, treatment regimen, and outcomes were recorded. Univariate logistic regression was performed to identify categorical factors associated with mortality, and then multivariate analysis was performed. Results Dogs were categorized as survivors (n = 47), non‐survivors (n = 57), or lost to follow‐up (n = 9). Survival to discharge and at 1 month was documented in 79 (70%) of 113 and 56 (54%) of 104 dogs, respectively, with median survival time (MST) of 72 days. Risk factors associated with mortality included development of congestive heart failure (odds ratio [OR], 11.8; 95% confidence interval [CI], 1.4‐97.8), thromboembolic events (OR, 5.7; 95% CI, 2.3‐14.4), and acute kidney injury (OR, 6.2; 95% CI, 2.0‐18.8). Administration of antithrombotic medications was associated with survival (OR, 0.35; 95% CI, 0.13‐0.97). Dogs that were not treated with antithrombotics had MST of 92 days, whereas dogs treated with antithrombotics did not reach MST during the study period. The heart valves involved and etiologic agent identified did not correlate with outcome. Conclusion and Clinical Importance Dogs with IE that had thromboembolic events, acute kidney injury, or congestive heart failure had higher risk of mortality. Administration of antithrombotics was associated with prolonged survival time.
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Affiliation(s)
- Krystle L Reagan
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, California, USA
| | - Lance C Visser
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, California, USA
| | - Steven E Epstein
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, California, USA
| | - Joshua A Stern
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, California, USA
| | - Lynelle R Johnson
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, California, USA
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16
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Lyons RAH, Simpson KM, Spraker TR, Pierce KV. Ante‐mortem diagnosis of a doubly committed juxta‐arterial ventricular septal defect resulting in bacterial endocarditis and septic arthritis in a Holstein heifer. VETERINARY RECORD CASE REPORTS 2022. [DOI: 10.1002/vrc2.306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Rachael Ann H. Lyons
- Department of Clinical Sciences Colorado State University Fort Collins Colorado USA
| | - Katharine M. Simpson
- Department of Clinical Sciences Colorado State University Fort Collins Colorado USA
| | - Terry R. Spraker
- Department of Microbiology, Immunology, and Pathology Colorado State University Fort Collins Colorado USA
| | - Kursten V. Pierce
- Department of Clinical Sciences Colorado State University Fort Collins Colorado USA
- Department of Clinical Sciences College of Veterinary Medicine North Carolina State University 1060 William Moore Dr Raleigh North Carolina USA
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17
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Giannoulopoulos G, Errington K. Case report and successful management of canine aortic endocarditis caused by Actinomyces neuii subsp. anitratus (Winkia neuii subsp. anitrata). BMC Vet Res 2022; 18:63. [PMID: 35114997 PMCID: PMC8812149 DOI: 10.1186/s12917-022-03161-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/25/2022] [Indexed: 11/20/2022] Open
Abstract
Background Canine aortic valve endocarditis carries a poor prognosis. In the current literature there are only two reports of infectious endocarditis associated with Actinomyces; Actinomyces turicensis and an Actinomyces-like organism. Endocarditis due to Actinomyces neuii subsp. anitratus (now known as Winkia neuii subsp. anitrata) has rarely been reported in humans, and to the best of our knowledge, has never been reported in dogs. Case presentation A 4 year-3 months old female neutered Great Dane presented with lethargy, hyporexia, ‘praying position’ stance, acute onset of cherry eye and pyrexia. A subtle diastolic heart murmur was detected on thoracic auscultation and echocardiology revealed an irregular lesion adhered to the ventricular aspect of the aortic valve, suggestive of aortic valve endocarditis. Peripheral blood was collected for blood culture. Following 10 days of incubation, blood cultures yielded a growth of aerobic gram-positive filamentous rods which were further biochemically (BioMerieux API Coryne profiling strip) identified as Actinomyces neuii subsp. anitratus. The patient was treated with marbofloxacin and amoxicillin/clavulanic acid for five consecutive months. On repeat echogram, following treatment completion, there was no evidence of aortic valve endocarditis. To the best of our knowledge this is the first case report documenting successful treatment of aortic valve endocarditis caused by Actinomyces neuii subsp. anitratus in a dog. Conclusions Despite the poor prognosis of canine infectious aortic valve endocarditis, patients with Actinomyces neuii subsp. anitratus infection might have a favourable outcome. It is therefore important identifying the underling infectious cause, as it may have a significant impact on prognosis and treatment outcome when it is caused by Actinomyces neuii subsp. anitratus.
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Affiliation(s)
| | - K Errington
- Wilson Vet Group, Bishop Auckland, Co-Durham, DL14 7AD, UK
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Bae H, Hwang TS, Hee-Chun L, Jung DI, Kim SH, Yu D. Successful treatment of canine infective endocarditis caused by Bacillus amyloliquefaciens. Vet Q 2022; 42:41-47. [PMID: 35068361 PMCID: PMC8843097 DOI: 10.1080/01652176.2022.2033879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Bacillus amyloliquefaciens is a gram-positive bacterial species that is utilised as a probiotic in humans and animals. There are no reports of infective endocarditis (IE) in dogs. An 8-year-old, spayed, female Maltese presented with a 1-month history of fever, depression, weight loss, and hindlimb lameness. Laboratory test results indicated non-regenerative anaemia, neutrophilia, hyperglobulinemia, and proteinuria. Echocardiography revealed vegetation on the septal leaflet of the mitral valve and thromboemboli in the left atrium. Consecutive blood culture results revealed that the blood samples were consistently positive for Bacillus amyloliquefaciens, which is generally considered a probiotic bacterial species for animals. Broad-spectrum antibiotics (amoxicillin-clavulanic acid and cefotaxime) and anticoagulants (clopidogrel and rivaroxaban) were administered for 4 months. The clinical signs were responsive to antibiotic treatment. After 4 months, the dog was no longer febrile and the size of the thromboemboli in the left atrium had decreased. Bacteria were no longer isolated in blood cultures after antibiotic therapy. To the best of our knowledge, this is the first case report of canine IE caused by bactaeremic infection with Bacillus amyloliquefaciens.
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Affiliation(s)
- Hyeona Bae
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tae-Sung Hwang
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Lee Hee-Chun
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Dong-In Jung
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Sang-Hyun Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - DoHyeon Yu
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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19
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Solanes F, Bassan T, Cobos A, Frau M, Martorell J. Cerebral thromboembolism secondary to infective endocarditis in a pet rabbit. J Exot Pet Med 2022. [DOI: 10.1053/j.jepm.2021.11.002] [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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20
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Steiner V, Rosel AC, Ruppitsch W, Allerberger F, Carranza Valencia A, Markovic M, Luckschander-Zeller N, Szostak MP, Spergser J, Loncaric I, Künzel F. The First Bacterial Endocarditis Due to Achromobacter xylosoxidans in a Dog. Pathogens 2021; 10:pathogens10121580. [PMID: 34959535 PMCID: PMC8709460 DOI: 10.3390/pathogens10121580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/21/2021] [Accepted: 11/30/2021] [Indexed: 12/04/2022] Open
Abstract
Infectious endocarditis (IE) in dogs is often associated with a high mortality rate as diagnostic work-up as well as antibiotic treatment might be challenging. The present case describes bacteremia in a dog caused by Achromobacter xylosoxidans, leading to an infectious endocarditis. Achromobacter xylosoxidans (A. xylosoxidans) is an aerobic Gram-negative rod-shaped bacterium, which has been associated with multiple nosocomial opportunistic diseases in human medicine. One such manifestation of A. xylosoxidans infection is endocarditis. A. xylosoxidans infections are challenging to treat due to the reduced effectiveness of a wide range of antimicrobial agents. To date, only a few case reports of infections with A. xylosoxidans in animals have been described. This is the first case report of A. xylosoxidans endocarditis in a dog. Whole-genome sequencing was performed to determine the sequencing type and to gain more information about this bacterium regarding its intrinsic resistance genes. With this case report, we seek to increase awareness of A. xylosoxidans as an opportunistic nosocomial pathogen in dogs and to provide a short summary regarding the current state of general knowledge and known resistance patterns.
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Affiliation(s)
- Verena Steiner
- Department for Companion Animals and Horses, Clinical Unit of Internal Medic and Small Animals, University of Veterinary Medicine, 1210 Vienna, Austria; (A.C.V.); (M.M.); (N.L.-Z.); (F.K.)
- Correspondence:
| | - Adriana Cabal Rosel
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, 1090 Vienna, Austria; (A.C.R.); (W.R.); (F.A.)
| | - Werner Ruppitsch
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, 1090 Vienna, Austria; (A.C.R.); (W.R.); (F.A.)
| | - Franz Allerberger
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, 1090 Vienna, Austria; (A.C.R.); (W.R.); (F.A.)
| | - Alejandra Carranza Valencia
- Department for Companion Animals and Horses, Clinical Unit of Internal Medic and Small Animals, University of Veterinary Medicine, 1210 Vienna, Austria; (A.C.V.); (M.M.); (N.L.-Z.); (F.K.)
| | - Mato Markovic
- Department for Companion Animals and Horses, Clinical Unit of Internal Medic and Small Animals, University of Veterinary Medicine, 1210 Vienna, Austria; (A.C.V.); (M.M.); (N.L.-Z.); (F.K.)
| | - Nicole Luckschander-Zeller
- Department for Companion Animals and Horses, Clinical Unit of Internal Medic and Small Animals, University of Veterinary Medicine, 1210 Vienna, Austria; (A.C.V.); (M.M.); (N.L.-Z.); (F.K.)
| | - Michael P. Szostak
- Institute of Microbiology, University of Veterinary Medicine, 1210 Vienna, Austria; (M.P.S.); (J.S.); (I.L.)
| | - Joachim Spergser
- Institute of Microbiology, University of Veterinary Medicine, 1210 Vienna, Austria; (M.P.S.); (J.S.); (I.L.)
| | - Igor Loncaric
- Institute of Microbiology, University of Veterinary Medicine, 1210 Vienna, Austria; (M.P.S.); (J.S.); (I.L.)
| | - Frank Künzel
- Department for Companion Animals and Horses, Clinical Unit of Internal Medic and Small Animals, University of Veterinary Medicine, 1210 Vienna, Austria; (A.C.V.); (M.M.); (N.L.-Z.); (F.K.)
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21
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Lashnits E, Thatcher B, Carruth A, Mestek A, Buch J, Beall M, Neupane P, Chandrashekar R, Breitschwerdt EB. Bartonella spp. seroepidemiology and associations with clinicopathologic findings in dogs in the United States. J Vet Intern Med 2021; 36:116-125. [PMID: 34788481 PMCID: PMC8783365 DOI: 10.1111/jvim.16311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 10/28/2021] [Accepted: 11/03/2021] [Indexed: 01/14/2023] Open
Abstract
Background Improved understanding of Bartonella spp. serology in dogs may aid clinical decision making. Objective Describe demographic and geographic patterns of Bartonella spp. seroreactivity in dogs, and describe hematologic and serum biochemical abnormalities in Bartonella spp. seroreactive and nonseroreactive dogs. Animals Serum samples from 5957 dogs in the United States, previously submitted to IDEXX Reference Laboratories. Methods Serum was tested using 3 indirect ELISAs for B. henselae, B. vinsonii subsp. berkhoffii, and B. koehlerae. Complete blood count and serum biochemistry panel results were reviewed retrospectively. Results Overall, 6.1% of dogs were Bartonella spp. seroreactive. Toy breeds were less likely to be seroreactive (3.9%) than mixed breeds (7.5%; adjusted odds ratio [aOR], 0.48; 95% confidence interval [CI], 0.32‐0.72), and dogs <1 year old were less likely to be seroreactive (3.4%) than dogs 1 to 5.5 years of age (7.3%; aOR, 0.42; 95% CI, 0.23‐0.72). Dogs in the West South Central (9.8%) and South Atlantic (8.8%) regions were more likely than dogs elsewhere in the United States to be seroreactive (aOR, 2.22; 95% CI, 1.31‐3.87; aOR, 2.44; 95% CI, 1.38‐4.36). Conclusions and Clinical Importance Demographic and geographic findings for Bartonella spp. exposure were broadly comparable to previously reported patterns.
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Affiliation(s)
- Erin Lashnits
- Intracellular Pathogens Research Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.,Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | | | | | | | - Jesse Buch
- IDEXX Laboratories Inc., Westbrook, Maine, USA
| | | | - Pradeep Neupane
- Intracellular Pathogens Research Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | | | - Edward B Breitschwerdt
- Intracellular Pathogens Research Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
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Szaluś-Jordanow O, Stabińska-Smolarz M, Czopowicz M, Moroz A, Mickiewicz M, Łobaczewski A, Chrobak-Chmiel D, Kizerwetter-Świda M, Rzewuska M, Sapierzyński R, Grzegorczyk M, Świerk A, Frymus T. Focused Cardiac Ultrasound Examination as a Tool for Diagnosis of Infective Endocarditis and Myocarditis in Dogs and Cats. Animals (Basel) 2021; 11:ani11113162. [PMID: 34827894 PMCID: PMC8614417 DOI: 10.3390/ani11113162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/28/2021] [Accepted: 11/03/2021] [Indexed: 12/22/2022] Open
Abstract
Symptoms of infective endocarditis (IE) and myocarditis are usually nonspecific and include fever, apathy, and loss of appetite. This condition can lead to severe heart failure with ascites or/and fluid in the thoracic cavity or/and in the pericardial sac. We describe infective endocarditis and myocarditis in 3 dogs and 4 cats. In all animals, the initial diagnosis was performed on the basis of a focused cardiac ultrasound examination performed by a general practitioner after a training in this technique. The initial findings were confirmed by a board-certified specialist in veterinary cardiology. Post mortem positive microbiological results from valves were obtained in 4 of 7 patients. Methicillin-resistant Staphylococcus aureus was confirmed in 2 cases and Staphylococcus epidermidis was confirmed in 2 cases, one of which included Enterococcus sp. coinfection. Histopathological examination confirmed initial diagnosis in 5 of 7 animals. In the remaining 2 patients, the time elapsed from the onset of clinical symptoms to death was about 1 month and no active inflammation but massive fibrosis was found microscopically. This is, to our best knowledge, the first report of IE and myocarditis diagnosed in small animals using focused cardiac ultrasound examination. Therefore, we conclude that common usage of this technique by trained general veterinarians may increase the rate of diagnosed patients with these conditions.
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Affiliation(s)
- Olga Szaluś-Jordanow
- Department of Small Animal Diseases with Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland;
- Correspondence:
| | | | - Michał Czopowicz
- Division of Veterinary Epidemiology and Economics, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (M.C.); (A.M.); (M.M.)
| | - Agata Moroz
- Division of Veterinary Epidemiology and Economics, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (M.C.); (A.M.); (M.M.)
| | - Marcin Mickiewicz
- Division of Veterinary Epidemiology and Economics, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (M.C.); (A.M.); (M.M.)
| | - Andrzej Łobaczewski
- Round-the-Clock Veterinary Clinic Auxilium, Królewska Street 64, 05-822 Milanówek, Poland;
| | - Dorota Chrobak-Chmiel
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (D.C.-C.); (M.K.-Ś.); (M.R.)
| | - Magdalena Kizerwetter-Świda
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (D.C.-C.); (M.K.-Ś.); (M.R.)
| | - Magdalena Rzewuska
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland; (D.C.-C.); (M.K.-Ś.); (M.R.)
| | - Rafał Sapierzyński
- Department of Pathology and Veterinary Diagnostic, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland;
| | - Michał Grzegorczyk
- Department of Descriptive and Clinical Anatomy, Medical University of Warsaw, Chałbińskiego 5 Street, 02-004 Warsaw, Poland;
| | - Anna Świerk
- Round-the-Clock Veterinary Clinic LEGWET, Jagiellońska 20, 05-120 Legionowo, Poland;
| | - Tadeusz Frymus
- Department of Small Animal Diseases with Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 Street, 02-776 Warsaw, Poland;
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23
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Kilkenny E, Watson C, Dukes-McEwan J, Bode EF, Hezzell MJ, Payne JR, Borgeat K. Evaluation of serum cardiac troponin-I concentrations for diagnosis of infective endocarditis in dogs. J Vet Intern Med 2021; 35:2094-2101. [PMID: 34374458 PMCID: PMC8478062 DOI: 10.1111/jvim.16234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 07/14/2021] [Accepted: 07/20/2021] [Indexed: 11/28/2022] Open
Abstract
Background Infective endocarditis (IE) in dogs is associated with severe disease and a high case fatality rate but often presents with nonspecific clinical signs. Hypothesis/Objectives Serum concentration of cardiac troponin‐I (cTnI) is elevated in dogs with IE and can differentiate dogs with IE from dogs with other diseases with similar clinical features. Concentration of serum cTnI is negatively correlated with survival time in dogs with IE. Animals Seventy‐two client‐owned dogs; 29 with IE, 27 with stage‐B myxomatous mitral valve disease (MMVD), and 16 with immune‐mediated disease (IMD). Methods Retrospective clinical cohort study. Concentration of serum cTnI was measured in all dogs at time of diagnosis. Clinical findings and echocardiographic interpretation were also recorded. Statistical analyses included Kruskal‐Wallis test, pairwise Mann‐Whitney U tests, receiver operator characteristic, and Cox proportional hazards. Results Serum concentration of cTnI was significantly higher in the IE group (0.69 ng/mL [0.03‐80.8]) than in the MMVD (0.05 ng/mL [0.02‐0.11], P < .001) and IMD groups (0.05 ng/mL [0.03‐0.57], P < .001). Increased cTnI was a moderately accurate predictor of IE (area under the curve 0.857 (95% confidence interval [CI] 0.745‐0.968, P < .001). A cTnI cutoff of 0.625 ng/mL had 100% specificity (95% CI 90%‐100%) and 52% sensitivity (95% CI 33%‐70%) in this study sample. There was no association between cTnI concentration and survival time in dogs with IE (hazard ratio 1.013, 95% CI 0.993‐1.034, P = .2). Conclusions and Clinical Importance Cardiac troponin‐I concentrations are higher in dogs with IE compared to dogs with preclinical MMVD or IMD. In dogs with a compatible clinical presentation, serum cTnI concentrations >0.625 ng/mL are supportive of IE.
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Affiliation(s)
- Eoin Kilkenny
- Langford Vets, University of Bristol, Bristol, UK.,CVS Ltd, Norfolk, UK
| | | | - Joanna Dukes-McEwan
- Department of Small Animal Clinical Science, School of Veterinary Science, University of Liverpool, Liverpool, UK
| | - Elizabeth F Bode
- CVS Ltd, Norfolk, UK.,Department of Small Animal Clinical Science, School of Veterinary Science, University of Liverpool, Liverpool, UK
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Harvey A, Watson C, Angell B, Aulik N, Clarke L. Corynebacterium mustelae Endocarditis in a Dog. J Comp Pathol 2021; 185:82-86. [PMID: 34119236 DOI: 10.1016/j.jcpa.2021.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/12/2021] [Accepted: 04/21/2021] [Indexed: 10/21/2022]
Abstract
A 7-year-old male neutered Labrador Retriever dog presented with acute-onset fever, shifting limb lameness and anorexia, with development of acute respiratory distress. At necropsy, there was vegetative endocarditis, which effaced the aortic valve. Gram staining of impression smears from the aortic valve and kidney revealed numerous gram-positive rods with some coryneform bacteria. Similar coryneform bacteria were isolated on aerobic culture of the aortic valve. Identification was attempted by matrix-assisted laser desorption ionization time-of-flight mass spectrometry and 16S sequencing, the latter of which indicated Corynebacterium mustelae. This is the second reported case of endocarditis in a dog involving C. mustelae and the first with a description of post-mortem pathology. This case is an example of the utility of various modalities to identify facultative anaerobic bacterial pathogens that may be difficult to culture and may be more widespread than previously diagnosed.
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Affiliation(s)
- Alexandra Harvey
- Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Christine Watson
- Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Beth Angell
- Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Nicole Aulik
- Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Lorelei Clarke
- Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin-Madison, Madison, Wisconsin, USA.
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Romito G, Diana A, Rigillo A, Morini M, Cipone M. Unusual Presentation of Aortic Valve Infective Endocarditis in a Dog: Aorto-Cavitary Fistula, Tricuspid Valve Endocarditis, and Third-Degree Atrioventricular Block. Animals (Basel) 2021; 11:ani11030690. [PMID: 33806631 PMCID: PMC7998688 DOI: 10.3390/ani11030690] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/27/2021] [Accepted: 02/28/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary In dogs, infective endocarditis represents a rare but clinically relevant disease that typically involves the aortic and/or mitral valve. Transthoracic echocardiography plays an essential role in the diagnosis, prognosis, and monitoring of such a condition. Typical echocardiographic signs of disease progression include left-sided cardiac dilatation and extension of aortic and/or mitral vegetative lesions. Nevertheless, unexpected complications can sometimes develop, especially in the case of the erosion of the periannular tissue caused by lytic enzymes produced by bacteria. This case report describes the coexistence of multiple, uncommon complications of aortic valve infective endocarditis in a dog, namely, aorto-cavitary fistula, tricuspid valve endocarditis and third-degree atrioventricular block. In this study, the combination of the ante mortem (clinical and echocardiographic) and post mortem (gross pathology and histopathology) findings allowed us to gain detailed information on the disease process, its atypical complications, and the associated emodynamic consequences. Abstract A 2-year-old Boxer with a history of subaortic stenosis and immunosuppressant therapy developed aortic valve infective endocarditis. On echocardiographic examination with simultaneous electrocardiographic tracing, multiple uncommon periannular complications of the aortic valve endocarditis were found, including aorto-cavitary fistula with diastolic left-to-right shunt, tricuspid valve endocarditis, and third-degree atrioventricular block. Necropsy confirmed the above echocardiographic findings. Although aortic valve endocarditis represents a well-known disease entity in dogs, the dynamic nature of this condition may allow development of complex and uncommon echocardiographic features.
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Blondel M, Gros L, Lucas M, Delverdier M, Palierne S. Multifocal haematogenous osteomyelitis and septic physitis in a dog. VETERINARY RECORD CASE REPORTS 2020. [DOI: 10.1136/vetreccr-2020-001207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | - Lucile Gros
- Department of Clinical SciencesENVTToulouseFrance
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Lakhdhir S, Viall A, Alloway E, Keene B, Baumgartner K, Ward J. Clinical presentation, cardiovascular findings, etiology, and outcome of myocarditis in dogs: 64 cases with presumptive antemortem diagnosis (26 confirmed postmortem) and 137 cases with postmortem diagnosis only (2004-2017). J Vet Cardiol 2020; 30:44-56. [PMID: 32668360 PMCID: PMC7256493 DOI: 10.1016/j.jvc.2020.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 11/15/2022]
Abstract
INTRODUCTION This study describes presentation, cardiovascular abnormalities, etiology, and outcome of canine myocarditis in geographic areas not endemic for Trypanosoma or Leishmania. ANIMALS Sixty-four (presumed antemortem diagnosis) and 137 (postmortem diagnosis only) client-owned dogs at two tertiary care facilities were included. MATERIALS AND METHODS Medical records of dogs with clinical or histopathological diagnosis of myocarditis were reviewed retrospectively. RESULTS Common examination findings in dogs with a presumed antemortem diagnosis included fever (21%) and heart murmur (19%). Median cardiac troponin I was 12.2 ng/mL (range: 0.2-808.0 ng/mL), and troponin exceeded 1.0 ng/mL in 26 of 29 (90%) dogs. Ventricular ectopy was the most common arrhythmia (54%), whereas decreased left ventricular systolic function was the most common echocardiographic abnormality (56%). An infectious etiology was diagnosed in 35 of 64 (55%) dogs. Confirmed infectious etiologies included bacterial sepsis (n = 9) or extension of endocarditis (3), toxoplasmosis or neosporosis (3), parvovirus (2), and one case each of bartonellosis, trypanosomiasis, leptospirosis, and dirofilariasis. Median survival time was 4 days (range: 0-828 days) for all dogs vs. 82 days for dogs who survived at least 2 weeks after diagnosis. Presence of pericardial effusion or azotemia was a significant predictor of non-survival. The most common inflammatory infiltrate on histopathology was neutrophilic (47%), and 20 of 137 (14.5%) dogs had concurrent bacterial endocarditis on postmortem. CONCLUSIONS Bacterial infection was the most common confirmed etiology of myocarditis in this study. Prognosis for canine myocarditis is guarded and similar to that reported for infective endocarditis. Criteria for the antemortem diagnosis of canine myocarditis are suggested.
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Affiliation(s)
- S Lakhdhir
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, 1809 S. Riverside Drive, Ames, IA 50011, USA
| | - A Viall
- Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, 1809 S. Riverside Drive, Ames, IA 50011, USA
| | - E Alloway
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - B Keene
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - K Baumgartner
- VCA Veterinary Specialists of Northern Colorado, 201 W. 67th Court, Loveland, CO 80538, USA
| | - J Ward
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, 1809 S. Riverside Drive, Ames, IA 50011, USA.
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Wiggen KE, Leach SB. What Is Your Diagnosis? J Am Vet Med Assoc 2020; 254:1155-1157. [PMID: 31039094 DOI: 10.2460/javma.254.10.1155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Steinagel A, Quesenberry K, Donovan T. Vegetative Endocarditis due to Staphylococcus aureus in an Umbrella Cockatoo ( Cacatua alba). J Avian Med Surg 2020; 33:419-426. [PMID: 31833311 DOI: 10.1647/2018-336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 15-year-old, female cockatoo (Cacatua alba) was presented with a history of intermittent cloacal prolapse of 1-year duration. After each prolapse, the owner would digitally reduce the distended cloacal tissue within approximately 12-24 hours, for short-term resolution. The cockatoo was examined 3 times over a 7-month period and received supportive care with leuprolide acetate, behavioral modification, and diet change. After the third examination, the owner decided to proceed with a surgical cloacopexy. Five days after the last examination and before the procedure was scheduled, the cockatoo was reexamined for acute onset of weakness, anorexia, lethargy, and right-leg paresis. Despite supportive treatment, the cockatoo's clinical condition declined, and it went into respiratory arrest. Resuscitative efforts, including manual ventilation and cardiovascular support, were unsuccessful, and the bird died. Results of postmortem examination revealed vegetative endocarditis with intralesional bacteria cultured as Staphylococcus aureus, right-hindlimb myonecrosis, hepatitis, and nephritis. We suspect that the source of the hematogenous S aureus infection in this cockatoo was translocation from the owner's skin from the repeated manual manipulation and replacement of the prolapsed cloacal tissue.
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Ernst E, Qurollo B, Olech C, Breitschwerdt EB. Bartonella rochalimae, a newly recognized pathogen in dogs. J Vet Intern Med 2020; 34:1447-1453. [PMID: 32415797 PMCID: PMC7379054 DOI: 10.1111/jvim.15793] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 04/24/2020] [Accepted: 04/29/2020] [Indexed: 12/26/2022] Open
Abstract
Background Bartonella spp. comprise a genus of bacteria that frequently cause persistent, often subclinical infection. Although many Bartonella spp. have been implicated in a variety of clinical presentations, Bartonella rochalimae has yet to be documented in association with a clinical presentation other than infectious endocarditis (IE) in dogs. Objectives To document a spectrum of clinical presentations accompanied by mild hematological abnormalities in B rochalimae‐infected dogs from the United States. Animals Eight dogs with documented B rochalimae infection. Methods Retrospective 10‐year study of B rochalimae naturally infected dogs. Clinical and clinicopathologic data, including medical history, CBC, serum biochemistry panel, urinalysis, echocardiogram, and comprehensive vector‐borne disease diagnostic panel results, were reviewed. Results Eight dogs were diagnosed with B rochalimae via polymerase chain reaction (PCR) amplification. Five dogs were diagnosed with IE. Three dogs, PCR positive for B rochalimae, were diagnosed with seizures or antibiotic responsive lameness or during routine screening of a military working dog. Conclusions This case series provides support for an association between B rochalimae and IE and provides documentation of dogs infected with B rochalimae with other clinical diagnoses.
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Affiliation(s)
- Elijah Ernst
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | - Barbara Qurollo
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.,Vector Borne Disease Diagnostic Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | - Carolyn Olech
- Vector Borne Disease Diagnostic Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | - Edward B Breitschwerdt
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.,Vector Borne Disease Diagnostic Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
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Paillusseau C, Gandar F, Schilliger L, Lavennes M, Poissonnier C, Damoiseaux C, Nicolier A, Chetboul V. Atrioventricular stenosis and insufficiency associated with chronic endocarditis in a jungle carpet python (Morelia spilota cheynei). J Exot Pet Med 2019. [DOI: 10.1053/j.jepm.2019.07.012] [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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Aortocavitary fistula secondary to vegetative endocarditis in a rabbit. J Vet Cardiol 2019; 21:49-56. [PMID: 30797445 DOI: 10.1016/j.jvc.2018.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/20/2018] [Accepted: 08/21/2018] [Indexed: 11/22/2022]
Abstract
A 4-year-old intact male mini lop rabbit (Oryctolagus cuniculus) was presented with a 2-week history of severe progressive lethargy. A right parasternal continuous heart murmur and an irregular rhythm were detected on physical examination. Echocardiography identified vegetative aortic and tricuspid valve (TV) endocarditis. There was an aortocavitary fistula between the right sinus of Valsalva into the right ventricle, creating a left-to-right intracardiac shunt. Based on the echocardiographic findings, it was suspected that the infection originated in the aortic valve, eroded through the periannular tissue, and secondarily infected the TV. Pleural and peritoneal effusion secondary to right-sided congestive heart failure was also found during the echocardiogram. Atrial fibrillation, conducted with a left bundle branch block morphology, was identified using electrocardiography. Necropsy findings directly correlated with the echocardiographic diagnosis; marked periodontal disease was also identified. Aerobic culture of the aortic and tricuspid vegetations resulted in significant growth of Haemophilus parainfluenzae. Haemophilus spp. belong to a group of similar gram-negative coccobacillus bacteria (HACEK group), which can act as an uncommon cause of endocarditis in humans. HACEK endocarditis is most commonly associated with oral infection and/or dental procedures in people. This is the first case report of a rabbit with periannular complications of infective endocarditis. It remains unknown whether dental disease resulted in endocarditis in this patient.
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Kern ZT, Swartley OM, Neupane P, Balakrishnan N, Breitschwerdt EB. Pasteurella canis infective endocarditis in a dog. Vet Microbiol 2019; 229:14-19. [PMID: 30642590 DOI: 10.1016/j.vetmic.2018.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 12/02/2018] [Accepted: 12/03/2018] [Indexed: 10/27/2022]
Abstract
Infective endocarditis, an infrequent clinical syndrome in dogs, is typically associated with nondescript clinical signs such as fever, malaise and loss of appetite. Although an uncommonly reported infection in dogs, Pasteurella canis is an emerging pathogen with increasing relevance in the human microbiology literature. The goal of this study is to detail the clinical presentation and microbiological findings associated with a novel causative agent of infective endocarditis in the dog. Diagnostic evaluation as well as conventional, automated and molecular microbiological methods are highlighted. The recent literature regarding P. canis and infective endocarditis in companion animals and humans is reviewed. Although an unusual etiologic agent of infective endocarditis, awareness of P. canis as a diagnostic possibility is crucial to accurate microbial surveillance.
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Affiliation(s)
- Zachary T Kern
- Intracellular Pathogens Research Laboratory, North Carolina State University 1060 William Moore Drive, Raleigh, NC 27607, United States.
| | - Olivia M Swartley
- Intracellular Pathogens Research Laboratory, North Carolina State University 1060 William Moore Drive, Raleigh, NC 27607, United States.
| | - Pradeep Neupane
- Intracellular Pathogens Research Laboratory, North Carolina State University 1060 William Moore Drive, Raleigh, NC 27607, United States.
| | - Nandhakumar Balakrishnan
- Intracellular Pathogens Research Laboratory, North Carolina State University 1060 William Moore Drive, Raleigh, NC 27607, United States.
| | - Edward B Breitschwerdt
- Intracellular Pathogens Research Laboratory, North Carolina State University 1060 William Moore Drive, Raleigh, NC 27607, United States.
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Roura X, Santamarina G, Tabar MD, Francino O, Altet L. Polymerase chain reaction detection of Bartonella spp. in dogs from Spain with blood culture-negative infectious endocarditis. J Vet Cardiol 2018; 20:267-275. [PMID: 29807750 DOI: 10.1016/j.jvc.2018.04.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 04/13/2018] [Accepted: 04/25/2018] [Indexed: 10/16/2022]
Abstract
OBJECTIVES The presence of Bartonella spp. was detected by polymerase chain reaction (PCR) in dogs from Spain with blood culture-negative endocarditis. The aim of this study is to add information about canine infectious endocarditis in Europe. ANIMALS Thirty dogs with naturally occurring blood culture-negative endocarditis were examined from 2010 to 2017 at three veterinary referral hospitals, located in northwest, northeast, and southeast of Spain. METHODS It is a retrospective study. Medical records were reviewed to extract relevant data. Frozen or paraffin-embedded cardiac valve tissue and/or ethylenediamine tetraacetic acid blood samples were evaluated by PCR for the presence of Bartonella DNA. Positive results were sequenced to confirm the species. RESULTS Polymerase chain reaction was positive for eight out of 30 dogs included (26.6%). Bartonella rochalimae, Bartonella vinsonii subsp. berkhoffii, and Bartonella koehlerae were detected in valve tissue or blood. CONCLUSIONS Bartonella could be an important cause of blood culture-negative infectious endocarditis in dogs from Spain. The outcome for those dogs affected with Bartonella spp. was grave. Prompt empirical treatment with amoxicillin-clavulanate plus fluoroquinolones could be of value in cases of blood culture-negative endocarditis.
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Affiliation(s)
- X Roura
- Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola Del Vallès, 08193 Barcelona, Spain.
| | - G Santamarina
- Hospital Veterinario Universitario Rof Codina, Facultad de Veterinaria, Universidad de Santiago de Compostela, 27002 Lugo, Spain
| | - M-D Tabar
- Hospital Veterinario San Vicente, Calle Del Veterinario Manuel Isidro Rodríguez García N°17, San Vicente Del Raspeig, 03690 Alicante, Spain
| | - O Francino
- Molecular Genetics Veterinary Service, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola Del Vallès, 08193 Barcelona, Spain
| | - L Altet
- Vetgenomics, Edifici Eureka, Parc de Recerca de La UAB, Bellaterra, Cerdanyola Del Vallès, 08193 Barcelona, Spain
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Beijerink NJ, Bergmann W, Szatmári V. Incomplete endothelialization of an intravascular implant and fatal late-onset bacterial ductal arteritis in a dog with occluded patent ductus arteriosus. J Vet Intern Med 2018. [PMID: 29524349 PMCID: PMC5980296 DOI: 10.1111/jvim.15074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
An 18‐month‐old male Akita Inu dog developed fever and lameness 8 months after successful transcatheter closure of a patent ductus arteriosus with an Amplatz Canine Duct Occluder (ACDO). Corynebacterium species were cultured from 3 blood samples. Echocardiography showed a vegetative process on the aortic valves. The dog died spontaneously 3 days after development of the initial signs. Necropsy confirmed the presence of bacterial ductal arteritis and myocarditis, and revealed an incomplete endothelialization of the intraductal metal implant. The reason for the lack of (neo)endothelialization of the ACDO remains unknown. We conclude that late‐onset bacterial device‐related ductal arteritis can develop in dogs where the implant is incompletely covered by a protective endothelial layer.
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Affiliation(s)
- Niek Jozef Beijerink
- Department of Clinical Sciences of Companion Animals, Utrecht University, Utrecht, The Netherlands
| | | | - Viktor Szatmári
- Department of Clinical Sciences of Companion Animals, Utrecht University, Utrecht, The Netherlands
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Lashnits E, Correa M, Hegarty B, Birkenheuer A, Breitschwerdt E. Bartonella Seroepidemiology in Dogs from North America, 2008-2014. J Vet Intern Med 2018; 32:222-231. [PMID: 29197186 PMCID: PMC5787158 DOI: 10.1111/jvim.14890] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 09/06/2017] [Accepted: 10/24/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Improved understanding of Bartonella species seroepidemiology in dogs may aid clinical decision making and enhance current understanding of naturally occurring arthropod vector transmission of this pathogen. OBJECTIVES To identify demographic groups in which Bartonella exposure may be more likely, describe spatiotemporal variations in Bartonella seroreactivity, and examine co-exposures to other canine vector-borne diseases (CVBD). ANIMALS A total of 15,451 serology specimens from dogs in North America were submitted to the North Carolina State University, College of Veterinary Medicine Vector Borne Disease Diagnostic Laboratory between January 1, 2008, and December 31, 2014. METHODS Bartonella henselae, Bartonella koehlerae, and Bartonella vinsonii subspecies berkhoffii indirect fluorescent antibody (IFA) serology results, as well as results from a commercial assay kit screening for Dirofilaria immitis antigen and Ehrlichia species, Anaplasma phagocytophilum, and Borrelia burgdorferi antibodies, and Ehrlichia canis, Babesia canis, Babesia gibsoni, and Rickettsia species IFA results were reviewed retrospectively. RESULTS Overall, 3.26% of dogs were Bartonella spp. seroreactive; B. henselae (2.13%) and B. koehlerae (2.39%) were detected more frequently than B. vinsonii subsp. berkhoffii (1.42%, P < 0.0001). Intact males had higher seroreactivity (5.04%) than neutered males (2.87%, P < 0.0001) or intact or spayed females (3.22%, P = 0.0003). Mixed breed dogs had higher seroreactivity (4.45%) than purebred dogs (3.02%, P = 0.0002). There was no trend in seasonal seroreactivity; geographic patterns supported broad distribution of exposure, and co-exposure with other CVBD was common. CONCLUSIONS AND CLINICAL IMPORTANCE Bartonella spp. exposure was documented throughout North America and at any time of year. Male intact dogs, mixed breed dogs, and dogs exposed to other CVBD have higher seroreactivity to multiple Bartonella species.
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Affiliation(s)
- E. Lashnits
- Department of Clinical Sciences and the Intracellular Pathogens Research LaboratoryInstitute for Comparative MedicineCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC
| | - M. Correa
- Department of Clinical Sciences and the Intracellular Pathogens Research LaboratoryInstitute for Comparative MedicineCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC
| | - B.C. Hegarty
- Department of Clinical Sciences and the Intracellular Pathogens Research LaboratoryInstitute for Comparative MedicineCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC
| | - A. Birkenheuer
- Department of Clinical Sciences and the Intracellular Pathogens Research LaboratoryInstitute for Comparative MedicineCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC
| | - E.B. Breitschwerdt
- Department of Clinical Sciences and the Intracellular Pathogens Research LaboratoryInstitute for Comparative MedicineCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC
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Incidence of postoperative implant-related bacterial endocarditis in dogs that underwent trans-catheter embolization of a patent ductus arteriosus without intra- and post-procedural prophylactic antibiotics. Vet Microbiol 2017; 207:25-28. [DOI: 10.1016/j.vetmic.2017.05.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 05/26/2017] [Accepted: 05/28/2017] [Indexed: 11/18/2022]
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Bryan LK, Clark SD, Díaz-Delgado J, Lawhon SD, Edwards JF. Rhodococcus equi Infections in Dogs. Vet Pathol 2016; 54:159-163. [PMID: 27312368 DOI: 10.1177/0300985816650244] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Five cases of Rhodococcus equi infection in dogs were identified from 2003 to 2014. Three of the dogs had severe, internal lesions attributable to R. equi that have not been previously described: endophthalmitis, endocarditis, and suppurative pleuropneumonia. Isolates from 4 of the dogs were analyzed by polymerase chain reaction for Rhodococcus virulence-associated plasmid (vap) genes. One isolate was vapA-positive, 2 lacked a virulence plasmid, and 1 carried the novel vapN-associated plasmid (pVAPN) recently characterized in bovine isolates. The pVAPN plasmid has not been described in isolates cultured from companion animals. Four of the dogs either were receiving immunosuppressive drugs or had endocrinopathies. R. equi has the potential to cause significant infections in dogs, and immunocompromised animals should be considered at risk for infection.
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Affiliation(s)
- L K Bryan
- 1 Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
| | - S D Clark
- 1 Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
| | - J Díaz-Delgado
- 1 Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
| | - S D Lawhon
- 1 Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
| | - J F Edwards
- 1 Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
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Palerme JS, Jones AE, Ward JL, Balakrishnan N, Linder KE, Breitschwerdt EB, Keene BW. Infective endocarditis in 13 cats. J Vet Cardiol 2016; 18:213-225. [PMID: 27283084 DOI: 10.1016/j.jvc.2016.04.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 04/01/2016] [Accepted: 04/05/2016] [Indexed: 12/01/2022]
Abstract
INTRODUCTION To describe the clinical presentation, clinicopathological abnormalities and outcomes of a series of cats diagnosed with infective endocarditis (IE) at two tertiary care referral institutions. ANIMALS Thirteen client-owned cats presenting to the cardiology or emergency services of tertiary referral institutions with a diagnosis of endocarditis based on the modified Duke criteria. MATERIALS AND METHODS Retrospective case series. Medical records were reviewed to extract relevant data. In addition, cases that had cardiac tissue available were evaluated by polymerase chain reaction for the presence of Bartonella DNA. RESULTS Prevalence of feline IE was 0.007%. Cats with endocarditis tended to be older (median age: 9 years, range: 2-12 years) and no sex or breed was overrepresented. Commonly encountered clinical signs included respiratory distress (n = 5) and locomotor abnormalities of varying severity (n = 5). Echocardiographic examination detected valvular lesions consistent with endocarditis on the aortic (n = 8) or mitral (n = 5) valves. Nine cats were diagnosed with congestive heart failure at the time of endocarditis diagnosis. Overall, prognosis was grave with a median survival time of 31 days. CONCLUSIONS In contrast to dogs, cats with IE typically present with clinical signs consistent with cardiac decompensation and locomotor abnormalities suggestive of either thromboembolic disease or inflammatory arthritis. Given the advanced state of disease when diagnosis typically occurs, prognosis is grave.
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Affiliation(s)
- Jean-Sébastien Palerme
- Department of Veterinary Clinical Sciences, Iowa State University, College of Veterinary Medicine, 1809 South Riverside Drive, Ames, IA 50011, USA.
| | - Ashley E Jones
- Angell Animal Medical Center, 350 South Huntington Avenue, Boston, MA 02130, USA
| | - Jessica L Ward
- Department of Veterinary Clinical Sciences, Iowa State University, College of Veterinary Medicine, 1809 South Riverside Drive, Ames, IA 50011, USA
| | - Nandhakumar Balakrishnan
- Department of Clinical Sciences and the Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, North Carolina State University, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - Keith E Linder
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - Edward B Breitschwerdt
- Department of Clinical Sciences and the Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, North Carolina State University, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - Bruce W Keene
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
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Semedo-Lemsaddek T, Tavares M, São Braz B, Tavares L, Oliveira M. Enterococcal Infective Endocarditis following Periodontal Disease in Dogs. PLoS One 2016; 11:e0146860. [PMID: 26752198 PMCID: PMC4709084 DOI: 10.1371/journal.pone.0146860] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 12/21/2015] [Indexed: 11/18/2022] Open
Abstract
In humans, one of the major factors associated with infective endocarditis (IE) is the concurrent presence of periodontal disease (PD). However, in veterinary medicine, the relevance of PD in the evolution of dogs’ endocarditis remains poorly understood. In order to try to establish a correlation between mouth-associated Enterococcus spp. and infective endocarditis in dogs, the present study evaluated the presence and diversity of enterococci in the gum and heart of dogs with PD. Samples were collected during necropsy of 32 dogs with PD and visually diagnosed with IE, which died of natural causes or euthanasia. Enterococci were isolated, identified and further characterized by Pulsed-Field Gel Electrophoresis (PFGE); susceptibility to antimicrobial agents and pathogenicity potential was also evaluated. In seven sampled animals, PFGE-patterns, resistance and virulence profiles were found to be identical between mouth and heart enterococci obtained from the same dog, allowing the establishment of an association between enterococcal periodontal disease and endocarditis in dogs. These findings represent a crucial step towards understanding the pathogenesis of PD-driven IE, and constitute a major progress in veterinary medicine.
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Affiliation(s)
- Teresa Semedo-Lemsaddek
- Interdisciplinary Centre of Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300–477 Lisboa, Portugal
| | - Marta Tavares
- Interdisciplinary Centre of Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300–477 Lisboa, Portugal
| | - Berta São Braz
- Interdisciplinary Centre of Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300–477 Lisboa, Portugal
| | - Luís Tavares
- Interdisciplinary Centre of Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300–477 Lisboa, Portugal
| | - Manuela Oliveira
- Interdisciplinary Centre of Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300–477 Lisboa, Portugal
- * E-mail:
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Gunther-Harrington CT, Michel AO, Stern JA. Acquired tricuspid valve stenosis due to intentionally redundant transvenous lead placement for VDD pacing in two small dogs. J Vet Cardiol 2015; 17:298-303. [DOI: 10.1016/j.jvc.2015.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 03/24/2015] [Accepted: 04/04/2015] [Indexed: 10/22/2022]
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Costa A, Lahmers S, Barry SL, Stanton J, Stern JA. Fungal pericarditis and endocarditis secondary to porcupine quill migration in a dog. J Vet Cardiol 2014; 16:283-90. [DOI: 10.1016/j.jvc.2014.09.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 09/01/2014] [Accepted: 09/02/2014] [Indexed: 10/24/2022]
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Aoki T, Sunahara H, Sugimoto K, Ito T, Kanai E, Fujii Y. Infective endocarditis of the aortic valve in a Border collie dog with patent ductus arteriosus. J Vet Med Sci 2014; 77:331-6. [PMID: 25391395 PMCID: PMC4383780 DOI: 10.1292/jvms.14-0384] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Infective endocarditis (IE) in dogs with cardiac shunts has not been reported previously.
However, we encountered a dog with concurrent patent ductus arteriosus (PDA) and IE. The
dog was a 1-year-old, 13.9-kg female Border collie and presented with anorexia, weight
loss, pyrexia (40.4°C) and lameness. A continuous murmur with maximal intensity over the
left heart base (Levine 5/6) was detected on auscultation. Echocardiography revealed a PDA
and severe aortic stenosis (AS) caused by aortic-valve vegetative lesions.
Corynebacterium spp. and Bacillus subtilis were
isolated from blood cultures. The dog responded to aggressive antibiotic therapy, and the
PDA was subsequently surgically corrected. After a series of treatments, the dog showed
long-term improvement in clinical status.
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Affiliation(s)
- Takuma Aoki
- Laboratory of Veterinary Surgery I, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara-shi, Kanagawa 252-5201, Japan
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Winter RL, Gordon SG, Zhang S, Hariu CD, Miller MW. Mural Endocarditis Caused by Corynebacterium mustelae in a Dog With a VSD. J Am Anim Hosp Assoc 2014; 50:366-72. [DOI: 10.5326/jaaha-ms-6016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 6 yr old female spayed large Munsterlander was evaluated following a 3 wk history of lethargy, inappetence, intermittent fever, and a recent change to the timing of her previously diagnosed heart murmur. Physical examination revealed marked dehydration, lethargy, and a grade 5/6 to-and-fro heart murmur that was auscultated best at the right sternal border. The dog was febrile, and echocardiography revealed a large, mobile, vegetative lesion in the right ventricular outflow tract associated with a ventricular septal defect (VSD). Mild aortic insufficiency was present. Corynebacterium mustelae (C. mustelae) was isolated from a pooled blood culture. Treatment of infective endocarditis (IE) was initiated along with supportive care, and the patient was discharged 9 days later. The dog remained without clinical signs 132 days after discharge. VSD is rarely mentioned as a predisposing factor for development of IE in veterinary literature; however, this report highlights that dogs with a VSD may be at risk for IE. To the authors’ knowledge, this is the first documented case of a canine infection with C. mustelae. Infection with C. mustelae in this case represents a novel agent for IE in the dog.
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Affiliation(s)
- Randolph L. Winter
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX
| | - Sonya G. Gordon
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX
| | - Shuping Zhang
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX
| | - Crystal D. Hariu
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX
| | - Matthew W. Miller
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX
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