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The inter-observer variability of 2D speckle tracking echocardiography measures for assessment of left ventricular functions in normal Egyptian children / Mahmoud Ismail Abdelrahim ; Supervised Mervat Haroun , Antoine Fakhry Abdelmassih , Mohamed Samir

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mahmoud Ismail Abdelrahim , 2020Description: 100 P . : charts , facsmilies ; 25cmOther title:
  • التباين بين الفاحصين لقياسات الموجات الصوتيه ثنائية الأبعاد على القلب لتقييم وظائف بطين القلب الأيسر فى الأطفال المصريه الطبيعيه [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Pediatrics Summary: Introduction: Non-invasive assessments of left ventricular (LV) systolic function have traditionally relied on the measurement of fractional shortening (FS) or, more commonly estimations of ejection fraction (EF). However, it is well known that both EF and FS have limited sensitivity for characterizing subclinical abnormalities in LV systolic function. Therefore, advanced image analysis techniques have been developed and validated to assess cardiac tissue deformation in multiple planes and, in turn, provide a more sensitive measure of LV performance. When applied to 2-dimensional speckle-tracking echocardiography, (2D STE) based measures of LV deformation have been shown to add incremental prognostic information beyond EF ,but there{u2019}s inter observer variability for assessments of left ventricular (LV) systolic function. Therefore, the present study was designed to evaluate the reproducibility of 2D and 3D speckle-tracking based LV strain measures. Methods: We examined the inter-observer variability in 2D and 3D speckle tracking for global longitudinal strain(GLS) and global circumferential strain (GCS) methods in 35 normal Egyptian Children with average age (9.2 ± 1.1 ) recruited from general outpatient clinics in Cairo University Children Hospital among children coming for treatment of upper respiratory tract infections. Results: Inter-observer agreement regarding measurement of GLS with 2D echocardiography was -4.51, while for GLS with 3D echocardiography was 0.65. Regarding measurement GCS with 2D echocardiography was -3.22, while for GCS with 3D echocardiography was 2.67
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Item type Current library Home library Call number Copy number Status Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.28.M.Sc.2020.Ma.I (Browse shelf(Opens below)) Not for loan 01010110083138000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.28.M.Sc.2020.Ma.I (Browse shelf(Opens below)) 83138.CD Not for loan 01020110083138000

Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Pediatrics

Introduction: Non-invasive assessments of left ventricular (LV) systolic function have traditionally relied on the measurement of fractional shortening (FS) or, more commonly estimations of ejection fraction (EF). However, it is well known that both EF and FS have limited sensitivity for characterizing subclinical abnormalities in LV systolic function. Therefore, advanced image analysis techniques have been developed and validated to assess cardiac tissue deformation in multiple planes and, in turn, provide a more sensitive measure of LV performance. When applied to 2-dimensional speckle-tracking echocardiography, (2D STE) based measures of LV deformation have been shown to add incremental prognostic information beyond EF ,but there{u2019}s inter observer variability for assessments of left ventricular (LV) systolic function. Therefore, the present study was designed to evaluate the reproducibility of 2D and 3D speckle-tracking based LV strain measures. Methods: We examined the inter-observer variability in 2D and 3D speckle tracking for global longitudinal strain(GLS) and global circumferential strain (GCS) methods in 35 normal Egyptian Children with average age (9.2 ± 1.1 ) recruited from general outpatient clinics in Cairo University Children Hospital among children coming for treatment of upper respiratory tract infections. Results: Inter-observer agreement regarding measurement of GLS with 2D echocardiography was -4.51, while for GLS with 3D echocardiography was 0.65. Regarding measurement GCS with 2D echocardiography was -3.22, while for GCS with 3D echocardiography was 2.67

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