All Title Author
Keywords Abstract

Publish in OALib Journal
ISSN: 2333-9721
APC: Only $99

ViewsDownloads

Relative Articles

More...

Anterior Mitral Valve Orifice in a Dog

DOI: 10.4236/ojvm.2020.113007, PP. 117-123

Keywords: Dog Echocardiography, Anterior Mitral Valve Orifice, Degenerative Mitral Valve Disorder, Mitral Regurgitation, Doppler Echocardiography

Full-Text   Cite this paper   Add to My Lib

Abstract:

The patient was admitted to OndokuzMayıs University Animal Hospital Internal Medicine outpatient clinic with complaints of epileptic seizures and hypothyroidism. A description of the patient’s owner is available in the history information. There was no physician information. Bradycardia was found in the electrocardiography of the patient. 2-D, M-Mode, PW, CW and Color doppler examinations were performed. Left-ventricular hypokinetic and mitral and tricuspidal valve movements were observed with limited M-Mode imaging. Anterior mitral orifice of 2 mm width was detected on septal mitral valve by PW doppler and color doppler. With this orifice, the presence of regurgitant jet, which covers LA at a rate of 1/3 and was 3.2 m/sec, together with mitral regurgitation (0.5 m/sec.), was demonstrated. PISA calculations; VFR (mL/s), ERO (mm2) and RVol (mL/pulse) values were calculated as if there were mitral regurgitation and data were obtained for mild-moderate mitral regurgitation. Therefore, no operative treatment of the orifice was recommended. Mitral valve orifice is a rare pathology and this is the first report in canine veterinary practice with degenerative mitral valve disorder. We aimed to underline the possibility of mitral orifice development in degenerative mitral valve disorders, known to present with vegetations and varying degrees of prolapsus, conventionally.

References

[1]  Borgarelli, M. and Buchanan, J.W. (2012) Historical Review, Epidemiology and Natural History of Degenerative Mitral Valve Disease. Journal of Veterinary Cardiology, 14, 93-101.
https://doi.org/10.1016/j.jvc.2012.01.011
[2]  Boswood, A. (2018) Improving Outcomes of Myxomatous Mitral Valve Disease in Dogs. In Practice, 40, 12-15.
https://doi.org/10.1136/inp.k915
[3]  Keene, B.W., Atkins, C.E., Bonagura, J.D., Fox, P.R., Häggström, J., Fuentes, V.L., Oyama, M.A., Rush, J.E., Stepien, R. and Uechi, M. (2019) ACVIM Consensus Guidelines for the Diagnosis and Treatment of Myxomatous Mitral Valve Disease in Dogs. Journal of Veterinary Internal Medicine, 33, 1127-1140.
https://doi.org/10.1111/jvim.15488
[4]  Şaylik, F., Mutluer, F.O., Tosu, A. and Selcuk, M. (2015) Double Orifice Mitral Valve and Bicuspid Aortic Valve: Pieces of the Same Single Puzzle? Case Reports in Cardiology, 2015, Article ID: 305142.
https://doi.org/10.1155/2015/305142
[5]  Borgarelli, M., Abbott, J., Braz-Ruvio, D., Chiavegato, D., Crosara, S., Lamb, K., Ljungvall, I., Poggi, M., Santilli, R.A. and Haggstrom, J. (2015) Prevalance and Prognostic Importance of Pulmonary Hypertension in Dogs with Myxomatous Mitral Valve Disease. Journal of Veterinary Internal Medicine, 29, 569-574.
https://doi.org/10.1111/jvim.12564
[6]  Rishniw, M. (2018) Mitral Valve Disease.
https://veterinarypartner.vin.com
[7]  Meurs, K.M., Friedenberg, S.G., Williams, B., Keene, B.W., Atkins, C.E., Adin, D., Aona, B., Defrancescoü, T., Tou, S. and Mackay, T. (2018) Evalution of Genes Associated with Human Myxomatous Mitral Valve Disease in Dogs with Familial Myxomatous Mitral Valve Degeneration. The Veterinary Journal, 232, 16-19.
https://doi.org/10.1016/j.tvjl.2017.12.002
[8]  Sargent, J., Mujzii, R., Mukherjee, R., Somarathne, S., Schranz, K., Stephenson, H., Connolly, D., Brodbelt, D. and Fuentes, V.L. (2015) Echocardiographic Predictors of Survival in Dogs with Myxomatous Mitral Valve Disease. Journal of Veterinay Cardiology, 17, 1-12.
https://doi.org/10.1016/j.jvc.2014.11.001
[9]  Kellihan, H.B. and Stepien, R.L. (2012) Pulmonary Hypertension in Canine Degenerative Mitral Valve Disease. Journal of Veterinary Cardiology, 14, 149-164.
https://doi.org/10.1016/j.jvc.2012.01.001
[10]  Chetboul, V. and Tissier, R. (2012) Echocardiographic Assesment of Canine Degenerative Mitral Valve Disease. Journal of Veterinary Cardiology, 14, 127-148.
https://doi.org/10.1016/j.jvc.2011.11.005
[11]  Kim, Y.H., Choi, G.J. and Park, C. (2018) Rate of Left Ventricular Pressure Change by Doppler Echocardiography in Dogs with Chronic Mitral Valve Disease at Different Stages of Congestive Heart Failure. Veterinary Radiology & Ultrasound, 59, 758-766.
https://doi.org/10.1111/vru.12664
[12]  Müller, S., Menciotti, G. and Borgarelli, M. (2017) Anatomic Regurgitant Orifice Area Obtained Using 3D-Echocardiography as an Indicator of Severity of Mitral Regurgitation in Dogs with Myxomatous Mitral Valve Disease. Journal of Veterinary Cardiology, 19, 433-440.
https://doi.org/10.1016/j.jvc.2017.07.001
[13]  Borgarelli, M. and Haggstrom, J. (2010) Canine Degenerative Myxomatous Mitral Valve Disease: Natural History, Clinical Presentation and Therapy. Veterinary Clinics of North America: Small Animal Practice, 40, 651-663.
https://doi.org/10.1016/j.cvsm.2010.03.008
[14]  Kanemoto, I., Taguchi, D., Mihara, K., Kawase, K., Sato, K., Iwata, K. and Iwanaga, K. (2017) Long-Term Survival of Two Dogs after Mitral Valve Plasty. Veterinary Science Development, 7, 51-54.
https://doi.org/10.4081/vsd.2017.6335
[15]  Teshima, K., Asano, K., Iwanaga, K., Koie, H., Uechi, M., Kato, Y., Kutara, K., Kanno, N., Seki, M., Edamura, K., Hasegawa, A. and Tanaka, S. (2007) Evaluation of Left Ventricular Tei Index (Index of Myocardial Performance) in Healthy Dogs and Dogs with Mitral Regurgitation. Journal of Veterinary Medical Science, 69, 117-123.
[16]  Ferguson, D.C. (2007) Testing for Hypothyroidism in Dogs. Veterinary Clinics of North America: Small Animal Practice, 37, 647-669.
https://doi.org/10.1016/j.cvsm.2007.05.015
[17]  Langhorn, R. and Willesen, J. L. (2016) Cardiac Troponins in Dogs and Cats. Journal of Veterinary Internal Medicine, 30, 36-50.
https://doi.org/10.1111/jvim.13801

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133

WeChat 1538708413