Abstract
To investigate the clinical value of three-dimensional speckle tracking imaging (3D-STI) in evaluating left ventricular (LV) systolic function in patients with ovarian cancer (OC) treated with paclitaxel and carboplatin. We studied 30 patients with OC treated with paclitaxel combined with carboplatin chemotherapy. Two-dimensional echocardiography and 3D-STI were performed in the patients before they underwent 2- and 6-cycle chemotherapies, and in 30 normal control subjects. Were measured LV end-diastolic volume (EDV), end-systolic volume (ESV), three-dimensional LV ejection fraction (3D-LVEF), stroke volume (SV), spherical index (SPI), LV end-diastolic mass (LV EDmass), LV end-systolic mass (LV ESmass), LV global longitudinal strain (GLS), global circumferential strain (GCS), global radial strain (GRS), global area strain (GAS) and cardiac troponin T(cTnT). At the end of chemotherapy, magnetic resonance imaging (MRI) was also performed. The 3D conventional strain values (3D-LVEF, SV, LV EDV) after the 2- and 6-cycle chemotherapy were lower than before chemotherapy. LV Edmass, LV ESmass and cTnT were higher while LV GLS, GCS, GRS, GAS were lower after 2- and after 6-cycle chemotherapy than before chemotherapy. There was no significant difference in ESV and EDV between the 3D-STI and MRI parameters. GAS showed a significant negative correlation with cTnT. MRI and 3D-STI variables were significantly correlated, and the receiver operating characteristic curves showed the greater area under the curve for GAS after 2- and after 6-cycle chemotherapy. After 2-cycle chemotherapy, the highest specificity for GAS was 93.3%, and the highest sensitivity for GLS was 70.0%. After 6-cycle chemotherapy, the highest specificity for GAS was 96.7%, and the highest sensitivity for GLS was 96.7%. The LV systolic function decreased in OC patients treated with paclitaxel and carboplatin, showing that 3D-STI may detect early LV systolic dysfunction.
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