| Modified Tei index in patients with Kawasaki disease by tissue doppler imaging |
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Hee Jung Kim, Jung Hwa Cha, Young Mi Hong |
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Department of Pediatrics, Ewha Womans University, College of Medicine, Seoul, Korea |
| 와사키병 환아에서 Tissue doppler imaging으로 측정한 modified Tei 지수 |
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김희정, 차정화, 홍영미 |
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이화대학교 의과대학 소아과학교실 |
Correspondence:
Young Mi Hong, Email: hongym@chollian.net
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| Abstract |
Purpose
: A quantitative and easily measured Doppler index of combined systolic and diastolic ventricular myocardial performance (Tei index) was recently proposed as a potentially useful predictor of global myocardial performance. However, presence of heart rate fluctuation makes it unreliable. Therefore, the modified Tei index was introduced by using tissue Doppler imaging (TDI) which enables measuring contraction and relaxation velocities from myocardium simultaneously. The purpose of this study was to investigate the effectiveness of the modified Tei index in the evaluation of global cardiac function.
Methods
: Forty eight patients in the acute phase of Kawasaki disease (KD) were studied. These patients were divided into two groups according to the modified Tei index. TDI and conventional echocardiography were performed. Systolic velocity, systolic displacement, E' velocity, E' displacement, A' velocity and A' displacement were measured at the base, mid-septum and the apex of the interventricular septum. Ejection fraction (EF), Tei index and modified Tei index were estimated.
Results
: Modified Tei index correlated negatively with systolic displacement, E' displacement and A' displacement at the base. Modified Tei index correlated positively with ESR and CRP. EF and Tei index were normal in KD patients.
Conclusion
: Modified Tei index is a safe, feasible and sensitive index for evaluating global ventricular functions in spite of normal EF and Tei index in KD. |
| Key Words:
Modified Tei index, Mucocutaneous lymph node syndrome, Left ventricular function, Doppler echocardi |
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