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Article Abstract
Background And Aim Of The Work: Cardiac complications occur in patients with non-transfusion dependent thalassemia (NTDT). The study aimed to evaluate transfusion effect on systolic and diastolic cardiac function in young NTDT patients. Methods: Study design: Cohort study. Seventeen regularly-transfused patients with NTDT (12.5±5.3 years; group 1) and 15 none/minimally transfused patients (13.2±4.8 years; group 2) were followed up for 5 years and compared as regards their clinical parameters, echocardiographic and Tissue-Doppler-Imaging.
Results: Group 2 patients had significantly higher peak late-diastolic velocity of the left-ventricular-inflow Doppler (Am). Mitral-valve A-wave duration/pulmonary-veins, A-wave duration-ratio and pulmonary-vein S/D velocities-ratio were larger in group 2 as well (p = < 0.01). The diameters of right and left outflow-tract were larger with a higher cardiac-index in patients of group 2. Systolic-function was similar in the 2 studied groups.
Conclusion: Diastolic function assessment revealed indicators of an abnormal relaxation of left-ventricle in non-transfused patients, which suggests a diastolic dysfunction. An increase in the diameter of the outflow-tract is likely attributed to high cardiac-output status in non-transfused NTDT patients as they have a higher cardiac index. Early start of regular transfusion for NTDT patients might prevent serious long-term cardiac complications.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9171854 | PMC |
| http://dx.doi.org/10.23750/abm.v93i2.10736 | DOI Listing |
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