İki Boyutlu Benek Takibi Ekokardiyografinin Veteriner Kardiyolojide Kullanımı

Öz

Bu çalışmanın amacı sağlıklı kedi ve köpeklerde yapılan iki boyutlu benek takibi ekokardiyografide, kısa eksen papillar kas seviyesinde radiyal, sirkümferensiyal gerilim ve gerilim hızı ölçümlerinin yapılarak bu tekniğinin tanıtılmasıdır. Ankara Üniversitesi Küçük Hayvan Eğitim ve Araştırma Hastanesi’ne kardiyolojik muayene amacıyla getirilen kardiyolojik yönden sağlıklı kediler (n = 5) ve köpeklerin (n = 5) kaydedilen ekokardiyografi görüntüleri retrospektif olarak analiz edildi. Muayene sağ ve sol lateral pozisyonda ve hayvanlar sedasyona alınmadan yapıldı. Kediler için sırasıyla ortalama zirve sistolik radyal gerilim, radyal gerilim hızı, sirkümferensiyal gerilim, sirkümferensiyal gerilim hızı 24.47 ± % 1.22, 0.29 ± 0.20 s-1, -15.33 ± % 2.56, 0.05 ± 0.27 s-1 ölçülürken, köpekler için bu ortalama değerler sırasıyla 39.33 ± % 14.02, -0.47 s-1 ± 0.55 s-1, -23.13 ± % 1.53, -0.63 s-1 ± 0.18 s-1 olarak ölçülmüştür. Konvansiyonel ekokardiyografi ile karşılaştırıldığında benek takibi ekokardiyografi tekniğinin sol ventrikülün sistolik fonksiyonunu belirlemesi noktasında daha detaylı bilgi sağlaması ve muayene süreleri arasında çok ciddi bir fark olmaması gibi sebeplerle iki boyutlu benek takibi ekokardiyografinin rutin ekokardiyografik incelemeler arasına dahil edilebileceği düşünülmektedir.

Anahtar Kelimeler

• kediler
• köpekler
• benek takibi ekokardiyografi
• gerilim hızı
• gerilim

The Use of Two Dimensional Speckle Tracking Echocardiography in Veterinary Cardiology

Öz

The aim of this study is to present short-axis radial and circumferential strain and strain rate measurements by speckle tracking echocardiography technique in healthy cats and dogs. The study was performed at Small Animal Training and Research Hospital, Ankara University. Retrospective data from cats (n=5) and dogs (n=5), which are applied to the animal hospital for cardiological examination, were analyzed. Two-dimensional speckle tracking echocardiography was performed without sedation, and patients were manually restrained in the right and left lateral positions. Peak systolic radial strain, radial strain rate, circumferential strain, circumferential strain rate means were 24.47 ± 1.22%, 0.29 ± 0.20 s-1, -15.33 ± 2.56%, 0.05 ± 0.27 s-1 respectively for cats and were 39.33 ± 14.02%,-0.47s -1 ± 0.55 s-1, -23.13 ± 1.53%, -0.63 s-1± 0.18 s-1 respectively for dogs. It is thought that speckle tracking echocardiography can be included in routine echocardiographic examinations because this technique provides detailed information for determining the systolic potential of the left ventricle and the examination time is not much different compared to conventional echocardiographic examinations.

Anahtar Kelimeler

• cats
• dogs
• strain rate
• spackle tracking echocardiography
• strain

Kaynakça

1. 1. Chetboul V., Serres F., Gouni V., Tissier R., Pouchelon JL., 2007. Radial strain and strain rate by two-dimensional speckle tracking echocardiography and the tissue velocity based technique in the dog. J Vet Cardiol, 9, 69-81.
2. 2. Morita T., Nakamura K., Osuga T., Yokoyama N., Khoirun N., Morishita K., Sasaki N., Ohta H., Takiguchi M., 2017. The repeatability and characteristics of right ventricular longitudinal strain imaging by speckle-tracking echocardiography in healthy dogs. J Vet Cardiol, 19, 351-362.
3. 3. Blessberger H., Binder T., 2010. Non-invasive imaging: Two dimensional speckle tracking echocardiography: basic principles. Heart, 96, 716-722.
4. 4. Pellerin D., Sharma R., Elliott P., Veyrat C., 2003. Tissue Doppler, strain, and strain rate echocardiography for the assessment of left and right systolic ventricular function. Heart, 89 Suppl 3, iii9-17.
5. 5. Bussadori C., Moreo A., Di Donato M., De Chiara B., Negura D., Dall'Aglio E., Lobiati E., Chessa M., Arcidiacono C., Dua JS., Mauri F., Carminati M., 2009. A new 2D-based method for myocardial velocity strain and strain rate quantification in a normal adult and paediatric population: assessment of reference values. Cardiovasc Ultrasound, 7, 1-11.
6. 6. Hurlburt HM., Aurigemma GP., Hill JC., Narayanan A., Gaasch WH., Vinch CS., Meyer TE., Tighe DA., 2007. Direct ultrasound measurement of longitudinal, circumferential, and radial strain using 2-dimensional strain imaging in normal adults. Echocardiography, 24, 723-731.
7. 7. Marwick TH., Leano RL., Brown J., Sun JP., Hoffmann R., Lysyansky P., Becker, M., Thomas, JD., 2009. Myocardial strain measurement with 2-dimensional speckle-tracking echocardiography: definition of normal range. JACC Cardiovasc Imaging, 2, 80-84.
8. 8. Dickson D., Shave R., Rishniw M., Patteson, M., 2017. Echocardiographic assessments of longitudinal left ventricular function in healthy English Springer spaniels. J Vet Cardiol, 19, 339-350.

9. 9. Dermlim A., Nakamura K., Morita T., Osuga T., Nisa K., Sasaoka K., Leela-Arporn R., Sasaki N., Ohta H., Takiguchi M., 2019. The Repeatability and Left Atrial Strain Analysis Obtained via Speckle Tracking Echocardiography in healthy Dogs. J Vet Cardiol, 23, 69-80.
10. 10. Morita T., Nakamura K., Osuga T., Yokoyama N., Morishita K., Sasaki N., Ohta H., Takiguchi M., 2019. Effect of acute volume overload on echocardiographic indices of right ventricular function and dyssynchrony assessed by use of speckle tracking echocardiography in healthy dogs. Am J Vet Res, 80, 51-60.
11. 11. Corda A., Pinna Parpaglia ML., Sotgiu G., Zobba R., Gomez Ochoa P., Prieto Ramos J., French A., 2019. Use of 2-dimensional speckle-tracking echocardiography to assess left ventricular systolic function in dogs with systemic inflammatory response syndrome. J Vet Intern Med, 33, 423-431.
12. 12. Terzi O., Albasan H., 2017. Radial strain and strain rate assessed by speckle-tracking echocardiography in Turkish Kangal dogs. Turkish J Vet Res, 1, 12-15.
13. 13. Chetboul V., 2010. Advanced Techniques in Echocardiography in Small Animals. Vet Clinics of North America: Small Anim Pract, 40, 529-543.
14. 14. Westrup U., McEvoy FJ., 2013. Speckle tracking echocardiography in mature Irish Wolfhound dogs: technical feasibility, measurement error and reference intervals. Acta Vet Scand, 55, 1-11.
15. 15. Suzuki R., Matsumoto H., Teshima T., Koyama H., 2013. Influence of heart rate on myocardial function using two-dimensional speckle-tracking echocardiography in healthy dogs. J Vet Cardiol, 15, 139-146.
16. 16. Pedro B., Stephenson H., Linney C., Cripps P., Dukes-McEwan J., 2017. Assessment of left ventricular function in healthy Great Danes and in Great Danes with dilated cardiomyopathy using speckle tracking echocardiography. J Vet Cardiol, 19, 363-375.
17. 17. Suzuki R., Matsumoto H., Teshima T., Koyama H., 2013. Effect of age on myocardial function assessed by two-dimensional speckle-tracking echocardiography in healthy beagle dogs. J Vet Cardiol, 15, 243-252.
18. 18. Takano H., Isogai T., Aoki T., Wakao Y., Fujii Y., 2015. Feasibility of radial and circumferential strain analysis using 2D speckle tracking echocardiography in cats. J Vet Med Sci, 77, 193-201.
19. 19. Chetboul V., Tissier R., 2012. Echocardiographic assessment of canine degenerative mitral valve disease, J Vet Cardiol, 14, 127-148.
20. 20. Suzuki R., Matsumoto H., Teshima T., Koyama H., 2013. Clinical assessment of systolic myocardial deformations in dogs with chronic mitral valve insufficiency using two-dimensional speckle-tracking echocardiography. J Vet Cardiol, 15, 41-49.
21. 21. Visser LC., Scansen BA., Schober KE., Bonagura JD., 2015. Echocardiographic assessment of right ventricular systolic function in conscious healthy dogs: repeatability and reference intervals. J Vet Cardiol, 17, 83-96.