REVIEW ARTICLE
Year : 2012  |  Volume : 6  |  Issue : 2  |  Page : 21-26

Intraoperative applications of tissue Doppler imaging


Department of Anesthesia and Critical Care, Aswan Heart Center, Aswan, Egypt

Correspondence Address:
Mohamed Elsayed Abd Elhay
Department of Anesthesia and Critical Care, Aswan Heart Center, P.O. Box 81512 Aswan
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.7123/01.EJCA.0000421910.63125.9b

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Intraoperative Doppler tissue imaging with pulsed wave Doppler is a rapid method to determine the direction, timing, and velocity of regional longitudinal myocardial motion and quantify systolic and diastolic function. Although DTI provides regional measurements, sampling from different sites will help compensate for any differences, facilitating the evaluation of global EF and diastolic function and the calculation of filling pressures. Repeated DTI observations in the same patient enable the detection of regional ischemia, and the appearance or detection of postsystolic shortening is a sensitive index of ischemic but viable myocardium. DTI has also been used to detect subclinical ventricular dysfunction in asymptomatic patients with valvular disease and differentiate physiologic from pathologic hypertrophy and distinguish constrictive pericarditis from cardiomyopathy.



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