Evaluation Of Heart Stroke Volume Using Single Photon Emission Computed Tomography

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ABSTRACT

Recently measuring of stroke volume by scintigraphy has been used as indicator of heart muscle ability to contract. This study aimed to identify and evaluate the stroke volume. Accordingly the data was collected from 50 patients at Elnilein medical center, department of nuclear medicine, during the period from 4/4/2011 to 24/8/2011. The patients were injected with a 99mTc-sestamibi (hexakis [2- methoxyisobutylisonitril]) and 99mTc-tetrofosmin (1, 2-bis [bis (2-ethoxyethyl)- phosphino] ethane) then gamma camera was used to detect the count rate and hence stroke volume was calculated. The data were analyzed by using statistical packages for social studies (SPSS) under windows using linear association between age, body mass index, stroke volume, cardiac output and ejection fraction. Consequently the results revealed that the stroke volume increased as the cardiac output and ejection fraction increased with direct liner relationship by a coefficient factor equal to 0.58% per L / min, and 0.55 % per ejection fraction units. Also the age and body mass index showed a invers linear relationship with the stroke volume. The stroke volume decresed by 0.9 % per years of age and by 1.3 % per body mass index units.

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Evaluation Of Heart Stroke Volume Using Single Photon Emission Computed Tomography

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