Influence of Aging on Systolic Left Ventricular Wall Motion Velocities Along the Long and Short Axes in Clinically Normal Patients Determined by Pulsed Tissue Doppler Imaging
| Autor: | Miho Abe, Yukiko Onose, Tetsuzo Wakatsuki, Tomotsugu Tabata, Kazuyo Manabe, Yoshimi Kageji, Susumu Ito, Takashi Oki, Yuichiro Mishiro, Hirotsugu Yamada |
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| Rok vydání: | 1999 |
| Předmět: |
Adult
Male Aging Cardiac Catheterization medicine.medical_specialty Adolescent Systole medicine.medical_treatment Doppler imaging Ventricular Function Left Contractility symbols.namesake Internal medicine Ventricular Pressure medicine Humans Radiology Nuclear Medicine and imaging Aged Cardiac catheterization Aged 80 and over Echocardiography Doppler Pulsed Ejection fraction business.industry Anatomy Middle Aged Myocardial Contraction Parasternal line Linear Models symbols Cardiology Ventricular pressure Female Cardiology and Cardiovascular Medicine business Doppler effect |
| Zdroj: | Journal of the American Society of Echocardiography. 12:921-926 |
| ISSN: | 0894-7317 |
| DOI: | 10.1016/s0894-7317(99)70144-6 |
| Popis: | Our objective was to evaluate the influence of aging on left ventricular (LV) regional systolic function along the long and short axes in clinically normal patients. We recorded LV wall motion velocity patterns at the mid-wall portion of the middle of the LV posterior wall in the parasternal long-axis view (short-axis direction) and at the endocardial portion of the middle of the LV posterior wall in the apical long-axis view (long-axis direction) with pulsed tissue Doppler imaging in 80 normal patients (age range 15 to 78 years). In all patients the LV pressure curve and its first derivative (dP/dt) were recorded. The systolic wave of the LV posterior wall motion velocity pattern exhibited 2 peaks, the first (Sw(1)) and second (Sw(2)) systolic waves. No significant changes were seen with aging in the percent LV fractional shortening determined by M-mode echocardiography, LV ejection fraction determined by left ventriculography, the peak Sw(1) and Sw(2) along the short axis, the peak Sw(2) along the long axis, and the peak dP/dt. The peak Sw(1) along the long axis correlated inversely with age (P |
| Databáze: | OpenAIRE |
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