title: Can left ventricular function be assessed on non-ECG-gated CT?
abstract: To evaluate whether non-gated computed tomography (CT) can assess left ventricular (LV) function, 101 patients with both CT and echocardiography were selected, with ejection fraction <50% on echocardiography used as a reference standard. CTs were blindly reevaluated, and qualitative assessment of LV dysfunction on CT correlated with echocardiographic dysfunction, odds ratio of 21.0 (95% confidence interval=6.55-71.0), specificity of 86% (56/65). Systolic and diastolic images were identified on CT, and the ratio of systolic to diastolic LV internal diameters and ratio of LV to RV internal diameter were determined, both showing correlation with LV dysfunction on echocardiography (P<.0001). Non-gated CT can be used to predict LV dysfunction.
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Shlomo
authors.initials: S
authors.lastname: Minkowitz
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Linda B
authors.initials: LB
authors.lastname: Haramati
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Zalta
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Hugo F
authors.initials: HF
authors.lastname: Spindola-Franco
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Paul J
authors.initials: PJ
authors.lastname: Christos
authors.affiliation: Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467.
authors.forename: Jeffrey M
authors.initials: JM
authors.lastname: Levsky
mesh_terms: D004562:Electrocardiography / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006352:Heart Ventricles / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012372:ROC Curve; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed / Q000379:methods*; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging* / Q000503:physiopathology; D016277:Ventricular Function, Left / Q000502:physiology*
keywords: Diastole; Left ventricular function; Non-ECG-gated CT; Systole