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• W3043428462 abstract "BackgroundThe presence of a left ventricular thrombus (LVT) poses a risk of thromboembolic complications and excludes patients from undergoing left ventricular assist device (LVAD) implantation without the aid of cardiopulmonary bypass (CPB). Transthoracic echocardiography (TTE) and transesophageal echocardiography are used to detect LVT in patients with heart disease; however, the detection validity of these imaging studies has not been definitively elucidated.MethodsA retrospective analysis of patients with end-stage heart failure who underwent LVAD implantation from May 2012 to August 2018 in a single center was completed. To be included, patients’ medical records had to have presurgical TTE and transesophageal echocardiographic images, as well as intraoperative digital and visual exploration observations. A total of 301 patients underwent LVAD implantation; 239 of these patients had an LVAD implanted with the use of CPB. A total of 230 patients had complete data sets and were included in the analysis.ResultsPreoperative TTE identified LVT in 23 of the 230 patients (10%); 15 patients (6.5%) had LVT confirmed by surgical intraventricular visualization. Of the patients with visual LVT confirmation, preoperative TTE identified an LVT in all but 1 case (93%; 14 of 15). Preoperative TTE of LVT had a high sensitivity (94%) and specificity (96%), as well as high negative predictive value (99%).ConclusionsThe results of this study show that preoperative TTE is highly accurate for LVT detection. The high negative predictive value could have significant implications for the choice of surgical procedure because with TTE, surgeons can reasonably determine whether LVAD placement procedure can be attempted without CPB support. The presence of a left ventricular thrombus (LVT) poses a risk of thromboembolic complications and excludes patients from undergoing left ventricular assist device (LVAD) implantation without the aid of cardiopulmonary bypass (CPB). Transthoracic echocardiography (TTE) and transesophageal echocardiography are used to detect LVT in patients with heart disease; however, the detection validity of these imaging studies has not been definitively elucidated. A retrospective analysis of patients with end-stage heart failure who underwent LVAD implantation from May 2012 to August 2018 in a single center was completed. To be included, patients’ medical records had to have presurgical TTE and transesophageal echocardiographic images, as well as intraoperative digital and visual exploration observations. A total of 301 patients underwent LVAD implantation; 239 of these patients had an LVAD implanted with the use of CPB. A total of 230 patients had complete data sets and were included in the analysis. Preoperative TTE identified LVT in 23 of the 230 patients (10%); 15 patients (6.5%) had LVT confirmed by surgical intraventricular visualization. Of the patients with visual LVT confirmation, preoperative TTE identified an LVT in all but 1 case (93%; 14 of 15). Preoperative TTE of LVT had a high sensitivity (94%) and specificity (96%), as well as high negative predictive value (99%). The results of this study show that preoperative TTE is highly accurate for LVT detection. The high negative predictive value could have significant implications for the choice of surgical procedure because with TTE, surgeons can reasonably determine whether LVAD placement procedure can be attempted without CPB support." @default.
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• W3043428462 date "2021-02-01" @default.
• W3043428462 modified "2023-10-01" @default.
• W3043428462 title "Use of Transthoracic Echocardiogram to Detect Left Ventricular Thrombi" @default.
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• W3043428462 doi "https://doi.org/10.1016/j.athoracsur.2020.05.106" @default.
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