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CECILIA QUINTAVALLA DANITZA PRADELLI ORIOL DOMENECH CLAUDIO BUSSADORI 《Veterinary radiology & ultrasound》2006,47(3):307-312
The study was aimed at evaluating the anatomy of the left ventricular outflow tract, aortic valve, and ascending aorta by means of multiplane transesophageal echocardiography in Boxer dogs with left basilar heart murmurs and at comparing two-dimensional (2D) transthoracic to transesophageal echocardiography for the diagnosis of subaortic stenosis in this breed. Twenty-eight Boxers were included in the study and allocated to four groups according to physical and routine transthoracic 2D and Doppler echocardiography findings: group A--dogs with low grade (I-II/VI) heart murmurs without overt evidence of aortic stenosis (14 dogs); group B--dogs with type 1 subaortic stenosis (seven dogs); group C--dogs with type 2 subaortic stenosis (five dogs); group D--dogs with type 3 subaortic stenosis (two dogs). Anatomic lesions were not discovered by transesophageal echocardiography in dogs belonging to group A. Transesophageal imaging confirmed the type of subaortic stenosis, as graded by transthoracic echocardiography, in diseased animals (groups BCD). Morphologic information obtained by transesophageal echocardiography in Boxer dogs was similar to that obtained by transthoracic echocardiography. 相似文献
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Naoaki YAMADA Takashi KITAMORI Fumiyo KITAMORI Kanako ISHIGAMI Koji IWANAGA Taiki ITOU Ryosuke KOBAYASHI Shino KUMABE Takuya DOI Junko SATO Yumi WAKO Minoru TSUCHITANI 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2015,77(10):1299-1303
A 7-year-old female boxer dog died suddenly without any clinical signs. It was suspected
that the dog had arrhythmogenic right ventricular cardiomyopathy (ARVC) due to ventricular
premature complexes and ventricular tachycardia at 3 years of age. The final diagnosis of
ARVC was confirmed by histological characteristics, such as loss of cardiocytes and
fibrofatty replacement, occurring in the right and left ventricular walls. In the
cardiocytes, non-lipid vacuoles were observed. Cardiac fibrosis and intimal thickening of
the small arteries occurred without fatty replacement in the inner muscle layer including
the papillary muscles of the left ventricular wall. This paper describes the
pathomorphological details of an ARVC case with coincidental cardiac fibrosis in the inner
muscle layer of the left ventricular wall. 相似文献
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D. M. Lurie M. D. Lucroy S. M. Griffey E. Simonson B. R. Madewell 《Veterinary and comparative oncology》2004,2(3):171-175
The boxer breed of dog is at high risk for a variety of neoplasms including lymphoma. In this observational study, tissue sections from boxer dogs with lymphoma were immunostained for T and B lymphocyte distinction, and the results compared with similar studies carried out on lymphoma tissues from temporally selected cohorts of golden retriever and rottweiler dogs. The frequency of T‐cell lymphomas was significantly (P < 0.001 for all comparisons) higher in the boxers than in the rottweilers or golden retrievers. We are unaware of other reports linking immunotype of canine lymphoma with breed; whether other brachycephalic breeds of dogs have a similar preponderance of T‐cell lymphoma awaits further study. 相似文献
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Joanna Dukes-McEwan BVMS MVM PhD DVC MRCVS Anne T. French MVB DVC MRCVS Brendan M. Corcoran MVB DipPharm PhD MRCVS 《Veterinary radiology & ultrasound》2002,43(2):144-152
Serial Doppler echocardiographic examinations were carried out in random order on six boxer dogs, on 3 separate days, by two experienced Doppler echocardiographers, to assess measurement variability and reproducibility of 65 parameters. Large numbers of parameters exhibited significant differences for each of the categories of intraobserver, interobserver, interday and interoperator. The coefficients of variation for all parameters measured ranged from 5.03 to 46.43%, but most were less than 20%. In general, least variation was found for the intraobserver category, and the best reproducibility for M-mode and left ventricular volumetric data. The worst reproducibility was found for tricuspid inflow and pulmonary venous flow measurements. The results of this study suggest differences greater than 20% for serial scans must be achieved to document genuine change, although the specific data should be consulted. Furthermore, variability and reproducibility are improved if a single experienced operator/observer acquires and measures serial scans. 相似文献
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