Assessment of left ventricular functions with strain and strain rate echocardiography and tissue Doppler imaging in patients with cardiac tamponade [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2011; 39(6): 479-486 | DOI: 10.5543/tkda.2011.01675

Assessment of left ventricular functions with strain and strain rate echocardiography and tissue Doppler imaging in patients with cardiac tamponade

Enbiya Aksakal1, Serdar Sevimli1, Ziya Şimşek2, Mehmet Ali Elbey1, Mustafa Kurt2, İbrahim Halil Tanboğa2, Ahmet Kaya2, Mustafa Kemal Erol1
1Department of Cardiology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
2Department of Cardiology, Erzurum Region Education And Research Hospital, Erzurum, Turkey


OBJECTIVES
We evaluated left ventricular (LV) myocardial functions with strain (S) and strain rate (Sr) echocardiography and tissue Doppler imaging (TDI) before and after pericardiocentesis in patients with cardiac tamponade.

STUDY DESIGN
The study included 27 patients (19 men, 8 women; mean age 51.4±16.3 years) who underwent pericardiocentesis following clinical and echocardiographic diagnosis of cardiac tamponade. Besides echocardiographic parameters of LV functions, S/Sr parameters and TDI velocities were measured before and five days after pericardiocentesis, including peak systolic S, peak systolic Sr (Sr-s), peak early diastolic Sr (Sr-e), peak late diastolic Sr (Sr-a), peak lateral and septal mitral annular systolic (Sm), early diastolic (E’), and late diastolic (A’) velocities.

RESULTS
Pericardiocentesis was successful in all the patients, resulting in significant patient comfort and symptomatic improvement. In segmental analysis, there were no significant differences in peak systolic S and Sr values obtained before and after pericardiocentesis (p>0.05), except for basal lateral segment S and apical anterior segment Sr-s values (p<0.05). After pericardiocentesis, Sr-e and Sr-a values measured in all the walls and segments, and TDI-derived lateral and septal mitral E’ and A’ velocities showed significant decreases (p<0.05). All these changes demonstrated by S and Sr echocardiography corresponded well to those obtained by TDI.

CONCLUSION
We concluded that S and Sr echocardiography was not superior to TDI in the assessment of LV functions in patients with cardiac tamponade.

Keywords: Cardiac tamponade/therapy, echocardiography, Doppler/methods; elasticity imaging techniques; myocardial contraction; pericardiocentesis; ventricular dysfunction, left/ultrasonography

How to cite this article
Enbiya Aksakal, Serdar Sevimli, Ziya Şimşek, Mehmet Ali Elbey, Mustafa Kurt, İbrahim Halil Tanboğa, Ahmet Kaya, Mustafa Kemal Erol. Assessment of left ventricular functions with strain and strain rate echocardiography and tissue Doppler imaging in patients with cardiac tamponade. Turk Kardiyol Dern Ars. 2011; 39(6): 479-486

Corresponding Author: Enbiya Aksakal, Türkiye
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