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Wolf M, Lucina SB, Silva VBC, Tuleski GLR, Sarraff AP, Komatsu EY, Sousa MG. Assessment of longitudinal systolic function using tissue motion annular displacement in dogs with degenerative mitral valve disease. J Vet Cardiol 2021; 38:44-58. [PMID: 34800922 DOI: 10.1016/j.jvc.2021.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/10/2021] [Accepted: 10/13/2021] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Although degenerative mitral valve disease (DMVD) is essentially a disorder of the valve, the progression of the disease leads to structural myocardial changes that may compromise left ventricular systolic function. Tissue motion annular displacement (TMAD) is a surrogate for longitudinal fiber function based on speckle tracking assessment of the movement of the mitral annulus toward the apex during systole. The aim of this study was to evaluate longitudinal systolic function with TMAD in dogs with DMVD. ANIMALS Ninety-four dogs with DMVD and 32 healthy dogs. METHODS Prospective cross-sectional observational study. Dogs with DMVD of various American College of Veterinary Internal Medicine classification stages and healthy control dogs underwent physical examination, electrocardiography, systolic blood pressure measurement, as well as a standard and speckle tracking echocardiography. Global longitudinal strain (GLS) and TMAD were used to assess longitudinal systolic function. RESULTS The global TMADmm and global TMAD% were higher in American College of Veterinary Internal Medicine B2 animals than in the stage CD. Global TMAD (mm/kg,mm/bodyweight3, mm/m2) were correlated with GLS and ejection fraction. Global TMAD (mm/kg,mm/m2,%) and GLS were influenced by sex. In addition, systolic blood pressure influenced GLS (P < 0.01; r = -0.23), global TMADmm/kg (P = 0.017; r = -0.21) and global TMADmm/m2 (P = 0.031; r = -0.19). Tissue motion annular displacement was fast to be performed and produced good repeatability in dogs with DMVD. CONCLUSIONS Global TMAD (mm,%), was reduced in DMVD dogs with clinical signs of heart failure compared with stage B2. Tissue motion annular displacement was shown to be a repeatable technique for evaluation of longitudinal systolic function in dogs with DMVD.
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Affiliation(s)
- M Wolf
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil.
| | - S B Lucina
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil
| | - V B C Silva
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil
| | - G L R Tuleski
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil
| | - A P Sarraff
- School of Life Sciences, Pontifical Catholic University of Paraná (PUC-PR), Rua Rockfeller 1311, Curitiba, 80230-130, Brazil
| | - E Y Komatsu
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil
| | - M G Sousa
- Laboratory of Comparative Cardiology, Department of Veterinary Medicine, Federal University of Paraná (UFPR), Rua dos Funcionários 1540, Curitiba, 80035-050, Brazil
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Mugetti D, Colombino E, Capucchio MT, Salogni C, Pastorino P, Chiappino L, Sereno A, Prearo M, Guarda F. Teleost fish: a new spontaneous model for the study of Lambl's excrescences. Dis Aquat Organ 2021; 146:75-79. [PMID: 34617513 DOI: 10.3354/dao03620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Lambl's excrescences (LE) are fibrous strands typically occurring at coaptation lines of cardiac valves. Although they have been widely reported in human medicine, information on LE occurrence in veterinary medicine is still scarce. The present study aimed to investigate the presence of LE in different freshwater fish and in swordfish. A total of 185 hearts were collected from different fish species, and samples of different cardiac areas (sinus venosus, atrial wall with sinoatrial valves, ventricular wall with atrioventricular valves and bulb with bulboventricular valves) were submitted to histopathological evaluation. LE were detected in 6 of 103 freshwater fish (5.8%) and 19 of 82 swordfish (23.2%). LE developed in atrioventricular, sinoatrial and bulboventricular valves. All affected valves also showed endocardiosis. Based on the results of the present work, teleost fish, specifically swordfish, could be proposed as a novel spontaneous model for the study of LE pathogenesis.
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Affiliation(s)
- Davide Mugetti
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, 10154 Torino, Italy
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Martinelli E, Locatelli C, Bassis S, Crosara S, Paltrinieri S, Scarpa P, Spalla I, Zanaboni AM, Quintavalla C, Brambilla P. Preliminary Investigation of Cardiovascular-Renal Disorders in Dogs with Chronic Mitral Valve Disease. J Vet Intern Med 2018; 30:1612-1618. [PMID: 27717188 PMCID: PMC5032878 DOI: 10.1111/jvim.14524] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 05/28/2016] [Accepted: 06/22/2016] [Indexed: 01/29/2023] Open
Abstract
Background Veterinary literature lacks data about cardiovascular–renal disorders (CvRD) and cardiorenal‐anemia syndrome (CRAS) in dogs. Hypothesis A direct correlation exists between ACVIM class and IRIS stage; chronic kidney disease (CKD) complicates chronic mitral valve disease (CMVD) more often than does anemia in dogs. Animals One hundred and fifty‐eight client‐owned dogs with CMVD. Methods Signalment, physical examination findings, electrocardiography, thoracic radiographs, echocardiography, and blood analysis were retrospectively evaluated to assess the prevalence of CKD and anemia in dogs with CMVD and to investigate the relationships among ACVIM class, IRIS stage, and survival. Results The prevalence of CKD and anemia in dogs with CMVD was significantly higher than in the general population of dogs. Dogs being treated for heart failure had a significantly higher prevalence of CKD than did dogs that had not received treatment. A statistically significant direct correlation was found between ACVIM class and IRIS stage. Severe heart disease, severe renal disease or both, furosemide administration, and advanced age at diagnosis of heart disease were associated with shorter survival time. Survival time of dogs affected by CvRD was statistically shorter than survival time of dogs affected by CMVD alone. Conclusion and Clinical Relevance Chronic mitral valve disease is associated with increased prevalence of CKD and anemia in dogs. Treatment for medical management of heart failure may play a role in inducing CKD. Class of heart disease and IRIS stage were directly correlated. Cardiovascular–renal disorders decrease survival time compared to the only presence of CMVD alone, whereas anemia does not play a central role in worsening heart function.
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Affiliation(s)
- E Martinelli
- Department of Veterinary Science and Public Health (DIVET), University of Milan, Milan, Italy. .,Department of Veterinary Sciences, University of Parma, Parma, Italy.
| | - C Locatelli
- Department of Veterinary Science and Public Health (DIVET), University of Milan, Milan, Italy
| | - S Bassis
- Computer Science Department, University of Milan, Milan, Italy
| | - S Crosara
- Department of Veterinary Sciences, University of Parma, Parma, Italy
| | - S Paltrinieri
- Department of Veterinary Science and Public Health (DIVET), University of Milan, Milan, Italy
| | - P Scarpa
- Department of Veterinary Science and Public Health (DIVET), University of Milan, Milan, Italy
| | - I Spalla
- Royal Veterinary College, Department of Veterinary Clinical Sciences, United Kingdom
| | - A M Zanaboni
- Computer Science Department, University of Milan, Milan, Italy
| | - C Quintavalla
- Department of Veterinary Sciences, University of Parma, Parma, Italy
| | - P Brambilla
- Department of Veterinary Science and Public Health (DIVET), University of Milan, Milan, Italy
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Boswood A, Gordon SG, Häggström J, Wess G, Stepien RL, Oyama MA, Keene BW, Bonagura J, MacDonald KA, Patteson M, Smith S, Fox PR, Sanderson K, Woolley R, Szatmári V, Menaut P, Church WM, O'Sullivan ML, Jaudon JP, Kresken JG, Rush J, Barrett KA, Rosenthal SL, Saunders AB, Ljungvall I, Deinert M, Bomassi E, Estrada AH, Fernandez Del Palacio MJ, Moise NS, Abbott JA, Fujii Y, Spier A, Luethy MW, Santilli RA, Uechi M, Tidholm A, Schummer C, Watson P. Longitudinal Analysis of Quality of Life, Clinical, Radiographic, Echocardiographic, and Laboratory Variables in Dogs with Preclinical Myxomatous Mitral Valve Disease Receiving Pimobendan or Placebo: The EPIC Study. J Vet Intern Med 2017; 32:72-85. [PMID: 29214723 PMCID: PMC5787203 DOI: 10.1111/jvim.14885] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/21/2017] [Accepted: 10/23/2017] [Indexed: 11/30/2022] Open
Abstract
Background Changes in clinical variables associated with the administration of pimobendan to dogs with preclinical myxomatous mitral valve disease (MMVD) and cardiomegaly have not been described. Objectives To investigate the effect of pimobendan on clinical variables and the relationship between a change in heart size and the time to congestive heart failure (CHF) or cardiac‐related death (CRD) in dogs with MMVD and cardiomegaly. To determine whether pimobendan‐treated dogs differ from dogs receiving placebo at onset of CHF. Animals Three hundred and fifty‐four dogs with MMVD and cardiomegaly. Materials and Methods Prospective, blinded study with dogs randomized (ratio 1:1) to pimobendan (0.4–0.6 mg/kg/d) or placebo. Clinical, laboratory, and heart‐size variables in both groups were measured and compared at different time points (day 35 and onset of CHF) and over the study duration. Relationships between short‐term changes in echocardiographic variables and time to CHF or CRD were explored. Results At day 35, heart size had reduced in the pimobendan group: median change in (Δ) LVIDDN −0.06 (IQR: −0.15 to +0.02), P < 0.0001, and LA:Ao −0.08 (IQR: −0.23 to +0.03), P < 0.0001. Reduction in heart size was associated with increased time to CHF or CRD. Hazard ratio for a 0.1 increase in ΔLVIDDN was 1.26, P = 0.0003. Hazard ratio for a 0.1 increase in ΔLA:Ao was 1.14, P = 0.0002. At onset of CHF, groups were similar. Conclusions and Clinical Importance Pimobendan treatment reduces heart size. Reduced heart size is associated with improved outcome. At the onset of CHF, dogs treated with pimobendan were indistinguishable from those receiving placebo.
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Affiliation(s)
- A Boswood
- department of Veterinary Clinical Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, UK
| | - S G Gordon
- Small Animal Clinical Science, Texas A&M University, College Station, TX
| | - J Häggström
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - G Wess
- Clinic of Small Animal Medicine, University of Munich, Munich, Germany
| | - R L Stepien
- Medical Sciences, University of Wisconsin Madison School of Veterinary Medicine, Madison, WI
| | - M A Oyama
- Clinical Studies-Philadelphia, MJR-VHUP-Cardiology, University of Pennsylvania, Philadelphia, PA
| | - B W Keene
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
| | - J Bonagura
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH
| | | | - M Patteson
- HeartVets @ Vale Referrals, The Animal Hospital, Dursley, Gloucestershire, UK
| | - S Smith
- Sarah Smith Cardiology, Derby, UK
| | - P R Fox
- Animal Medical Center, New York, NY
| | - K Sanderson
- Rocky Mountain Veterinary Cardiology, Boulder, CO
| | - R Woolley
- Cardio Respiratory Pet Referrals Victoria, Mordialloc, Vic., Australia
| | - V Szatmári
- Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - P Menaut
- Internal Medicine and Cardiology, Clinique Vétérinaire Aquivet, Eysines, France
| | - W M Church
- Desert Veterinary Medical Specialists, Phoenix, AZ
| | - M L O'Sullivan
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - J-P Jaudon
- Clinique Veterinaire Des Etangs, Villars Les Dombes, France
| | - J-G Kresken
- Clinic for Small Animals Kaiserberg, Duisburg, Germany
| | - J Rush
- Clinical Sciences, Tufts University Cummings School of Veterinary Medicine, North Grafton, MA
| | - K A Barrett
- Cardiology, VCA West Los Angeles, Los Angeles, CA
| | | | - A B Saunders
- Small Animal Clinical Science, Texas A&M University, College Station, TX
| | - I Ljungvall
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - M Deinert
- Tierklinik am Sandpfad, Wiesloch, Germany
| | - E Bomassi
- Cardiology, Centre Hospitalier Vétérinaire des Cordeliers, Meaux, France
| | - A H Estrada
- Small Animal Clinical Sciences, University of Florida College of Veterinary Medicine, Gainesville, FL
| | | | - N S Moise
- Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
| | - J A Abbott
- Department of Small Animal Clinical Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA
| | - Y Fujii
- Surgery 1, Azabu University, Sagamihara, Kanagawa, Japan
| | - A Spier
- Blue Pearl Veterinary Partners, Tampa, FL
| | - M W Luethy
- Chicago Veterinary Emergency and Specialty Center, Chicago, IL
| | - R A Santilli
- Cardiology, Clinica Veterinaria Malpensa, Gallarate, Varese, Italy
| | - M Uechi
- Japan Animal Specialty Medical Institute Inc., JASMINE Veterinary Cardiovascular Medical Center, Yokohama, Japan
| | - A Tidholm
- Djursjukhuset Albano, Danderyd, Sweden
| | - C Schummer
- Animal Health, Boehringer Ingelheim, Ingelheim am Rhein, Germany
| | - P Watson
- Animal Health, Boehringer Ingelheim, Ingelheim am Rhein, Germany
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Oyama MA, Solter PF, Thorn CL, Stern JA. Feasibility, safety, and tolerance of subcutaneous synthetic canine B-type natriuretic peptide (syncBNP) in healthy dogs and dogs with stage B1 mitral valve disease. J Vet Cardiol 2017; 19:211-7. [PMID: 28478943 DOI: 10.1016/j.jvc.2017.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 01/18/2017] [Accepted: 02/13/2017] [Indexed: 01/22/2023]
Abstract
INTRODUCTION An important aspect of heart failure is the progressive ineffectiveness of the salutary natriuretic peptide system and its secondary messenger, 3',5'-cyclic guanosine monophosphate (cGMP). In humans with acute heart failure, administration of exogenous natriuretic peptide is associated with improvement in clinical signs and reduction of cardiac filling pressures. This study aimed to determine the feasibility, tolerance, and safety of subcutaneous (SC) synthetic canine B-type natriuretic peptide (syncBNP) administration in dogs. ANIMALS Six privately owned dogs. MATERIALS AND METHODS Dogs were enrolled in a modified 3 + 3 phase I trial. Three dogs initially received doses of 2.5 and 5 μg/kg SC syncBNP followed by an additional three dogs dosed at 5 and 10 μg/kg. Hemodynamic monitoring was performed for 120 min after each injection. Blood and urine samples were collected at 45 and 120 min after injection of 5 μg/kg. Major adverse clinical events that would potentially halt testing were pre-defined. RESULTS Four healthy dogs and two dogs with stage B1 mitral valve disease were recruited. Synthetic canine B-type natriuretic peptide was well tolerated at all doses. Synthetic canine B-type natriuretic peptide at 5 μg/kg significantly increased median plasma cGMP (baseline cGMP, 131.5 pmol/mL [range, 91.9-183.6 pmol/mL]; 45 min, 153.6 pmol/mL [140.3-214.3 pmol/mL]; 120 min, 192.7 pmol/mL [139.1-240.1 pmol/mL]; p=0.041). DISCUSSION AND CONCLUSIONS We report for the first time administration of syncBNP in privately owned dogs. Administration of SC syncBNP was feasible, well tolerated, safe, and increased plasma cGMP concentration. Further studies using exogenous syncBNP for treatment of heart disease are warranted.
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Boswood A, Häggström J, Gordon SG, Wess G, Stepien RL, Oyama MA, Keene BW, Bonagura J, MacDonald KA, Patteson M, Smith S, Fox PR, Sanderson K, Woolley R, Szatmári V, Menaut P, Church WM, O'Sullivan ML, Jaudon JP, Kresken JG, Rush J, Barrett KA, Rosenthal SL, Saunders AB, Ljungvall I, Deinert M, Bomassi E, Estrada AH, Fernandez Del Palacio MJ, Moise NS, Abbott JA, Fujii Y, Spier A, Luethy MW, Santilli RA, Uechi M, Tidholm A, Watson P. Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study-A Randomized Clinical Trial. J Vet Intern Med 2016; 30:1765-1779. [PMID: 27678080 PMCID: PMC5115200 DOI: 10.1111/jvim.14586] [Citation(s) in RCA: 172] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 07/08/2016] [Accepted: 08/23/2016] [Indexed: 11/27/2022] Open
Abstract
Background Pimobendan is effective in treatment of dogs with congestive heart failure (CHF) secondary to myxomatous mitral valve disease (MMVD). Its effect on dogs before the onset of CHF is unknown. Hypothesis/Objectives Administration of pimobendan (0.4–0.6 mg/kg/d in divided doses) to dogs with increased heart size secondary to preclinical MMVD, not receiving other cardiovascular medications, will delay the onset of signs of CHF, cardiac‐related death, or euthanasia. Animals 360 client‐owned dogs with MMVD with left atrial‐to‐aortic ratio ≥1.6, normalized left ventricular internal diameter in diastole ≥1.7, and vertebral heart sum >10.5. Methods Prospective, randomized, placebo‐controlled, blinded, multicenter clinical trial. Primary outcome variable was time to a composite of the onset of CHF, cardiac‐related death, or euthanasia. Results Median time to primary endpoint was 1228 days (95% CI: 856–NA) in the pimobendan group and 766 days (95% CI: 667–875) in the placebo group (P = .0038). Hazard ratio for the pimobendan group was 0.64 (95% CI: 0.47–0.87) compared with the placebo group. The benefit persisted after adjustment for other variables. Adverse events were not different between treatment groups. Dogs in the pimobendan group lived longer (median survival time was 1059 days (95% CI: 952–NA) in the pimobendan group and 902 days (95% CI: 747–1061) in the placebo group) (P = .012). Conclusions and Clinical Importance Administration of pimobendan to dogs with MMVD and echocardiographic and radiographic evidence of cardiomegaly results in prolongation of preclinical period and is safe and well tolerated. Prolongation of preclinical period by approximately 15 months represents substantial clinical benefit.
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Affiliation(s)
- A Boswood
- Department of Veterinary Clinical Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, UK
| | - J Häggström
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, SE
| | - S G Gordon
- Small Animal Clinical Science, Texas A&M University, College Station, TX
| | - G Wess
- Clinic of Small Animal Medicine, University of Munich, Munich, Germany
| | - R L Stepien
- Medical Sciences, University of Wisconsin Madison School of Veterinary Medicine, Madison, WI
| | - M A Oyama
- Clinical Studies-Philadelphia, MJR-VHUP-Cardiology, University of Pennsylvania, Philadelphia, PA
| | - B W Keene
- Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, NC
| | - J Bonagura
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH
| | | | - M Patteson
- HeartVets @ Vale Referrals, The Animal Hospital, Dursley, Gloucestershire, UK
| | - S Smith
- Sarah Smith Cardiology, Derby, UK
| | - P R Fox
- Animal Medical Center, New York, NY
| | - K Sanderson
- Rocky Mountain Veterinary Cardiology, Boulder, CO
| | - R Woolley
- Cardio Respiratory Pet Referrals Victoria, Mordialloc, Vic, Australia
| | - V Szatmári
- Faculty of Veterinary Medicine, Clinical Sciences of Companion Animals, Utrecht University, Utrecht, Utrecht, Netherlands
| | - P Menaut
- Internal Medicine and Cardiology, Clinique Vétérinaire Aquivet, Eysines, France
| | - W M Church
- Desert Veterinary Medical Specialists, Phoenix, AZ
| | - M L O'Sullivan
- Deptartment of Clinical Studies, University of Guelph, Ontario Veterinary College, Guelph, ON, Canada
| | - J-P Jaudon
- Clinique Veterinaire Des Etangs, Villars Les Dombes, France
| | - J-G Kresken
- Clinic for Small Animals Kaiserberg, Duisburg, Germany
| | - J Rush
- Clinical Sciences, Tufts University Cummings School of Veterinary Medicine, North Grafton, MA
| | - K A Barrett
- Cardiology, VCA West Los Angeles, Los Angeles, CA
| | | | - A B Saunders
- Small Animal Clinical Science, Texas A&M University, College Station, TX
| | - I Ljungvall
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, SE
| | - M Deinert
- Tierklinik am Sandpfad, Wiesloch, Germany
| | - E Bomassi
- Cardiology, Centre Hospitalier Vétérinaire des Cordeliers, Meaux, France
| | - A H Estrada
- Small Animal Clinical Sciences, University of Florida College of Veterinary Medicine, Gainesville, FL
| | | | - N S Moise
- Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
| | - J A Abbott
- Department of Small Animal Clinical Sciences, Virginia Tech, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA
| | - Y Fujii
- Azabu University, Chuo-ku, Sagamihara, Kanagawa, Japan
| | - A Spier
- Blue Pearl Veterinary Partners, Tampa, FL
| | - M W Luethy
- Chicago Veterinary Emergency and Specialty Center, Chicago, IL
| | - R A Santilli
- Cardiology, Clinica Veterinaria Malpensa, Viale Marconi, Varese, Italy
| | - M Uechi
- JASMINE Veterinary Cardiovascular Medical Center, Japan Animal Specialty Medical Institute Inc., Yokohama, Japan
| | - A Tidholm
- Djursjukhuset Albano, Danderyd, Sweden
| | - P Watson
- Boehringer Ingelheim, Animal Health, Ingelheim am Rhein, Germany
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Kubba M, Al-Azreg S. Endocardiosis and congestive heart failure in a captive ostrich (Struthio camelus). Open Vet J 2013; 3:121-5. [PMID: 26623324 PMCID: PMC4629615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 09/14/2013] [Indexed: 11/17/2022] Open
Abstract
A seven-year-old blue-necked male ostrich was found dead after a few days of illness. The animal was living in an open yard of 25 square meters along with three other females. They were given concentrate-rich ration with free access to green leaves and water. Autopsy revealed cardiac enlargement due to left ventricular hypertrophy and right ventricular dilatation. The left aterioventricular valves were irregularly thickened and contracted. The lungs were engorged with blood and the liver had nutmeg appearance. The small intestine showed segmental sub-serosal petechial hemorrhages. Histological examination revealed myxomatous degeneration of the left aterioventricular valves, pulmonary congestion and edema, congestion of periacinar hepatic zone and fatty degeneration of outer zones, renal glomerulosclerosis and arteriosclerosis. The affected parts of the small intestine showed villous atrophy with lacteal distention. The venules in the affected intestinal segment were severely dilated while the arterioles had narrow lumen and irregular wall thickening with hyaline deposition. The current article reports an endocardiosis in ostrich and discusses other vascular disorders.
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Affiliation(s)
- M.A.G. Kubba
- Department of pathology, Faculty of Veterinary Medicine, University of Tripoli, Tripoli, Libya,Corresponding Author: Mahir A.G. Kubba. Faculty of Veterinary Medicine, University of Tripoli, P.O Box: 13774, Tripoli, Libya.
| | - S.A. Al-Azreg
- Department of pathology, Faculty of Veterinary Medicine, University of Tripoli, Tripoli, Libya
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