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Changes in ventricular structure and function after balloon mitral valvuloplasty : Magnetic resonance image follow-up study / Amir Anwar Shaker Samaan ; Supervised Wafaa Elaroussy , Karim Said , Magdi Habib Yacoub

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Amir Anwar Shaker Samaan , 2016Description: 166 P. : charts , facsimiles ; 25cmOther title:
  • تغيرات بنية و وظيفة البطين بعد توسيع الصمام الميترالى عن طريق البالون : دراسة متابعة باستخدام الرنين المغناطيسى للقلب [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Cardiology Summary: Prior studies have showed abnormal left ventricular (LV) function in patients with rheumatic mitral stenosis (MS). The pattern of LV remodeling after balloon mitral valvuloplasty (BMV) has not been well elucidated. To describe changes in global and regional LV myocardial function in patients with rheumatic MS using CMR 6 months and one year after successful BMV. Thirty patients (median age 33 years, 22 women) with isolated rheumatic MS were studied. All patients had CMR before, 6 months and one year after successful BMV. The following parameters were studied: indexed LV end diastolic and end systolic volumes (LVEDVI and LVESVI respectively), ejection fraction (EF), LV torsion, and regional and global LV deformation (analyzed at 17 LV segments using myocardial tissue tagging). Late gadolinium enhancement was studied to look for any myocardial fibrosis. At baseline, patients had median EF of 57 (range: 45-69) %, LVEDVI of 74 (44-111) ml/m2 and LVESVI of 31 (14-57) ml/m2 with absence of late gadolinium enhancement in all myocardial segments. Six months following BMV, compared to pre-BMV study, all LV myocardial segments showed significant improvement in strain parameters with significant increase in global longitudinal LV peak systolic strain (-16.4 vs. -13.8, p<0.001), global circumferential peak systolic strain (-17.8 vs. -15.6, p=0.002), base-apex LV torsion (3.3{u00B0} vs. 2.5{u00B0} p<0.001) and base -mid LV torsion 3.6 vs. 2.3{u00B0} p<0.001
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.04.Ph.D.2016.Am.C (Browse shelf(Opens below)) Not for loan 01010110071569000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.04.Ph.D.2016.Am.C (Browse shelf(Opens below)) 71569.CD Not for loan 01020110071569000
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Cai01.11.04.Ph.D.2016.Ah.E Effect of intracoronary (IC) tirofiban following aspiration thrombectomy on infarct size, in patients with large anterior STEMI undergoing primary PCI / Cai01.11.04.Ph.D.2016.Ah.E Effect of intracoronary (IC) tirofiban following aspiration thrombectomy on infarct size, in patients with large anterior STEMI undergoing primary PCI / Cai01.11.04.Ph.D.2016.Am.C Changes in ventricular structure and function after balloon mitral valvuloplasty : Magnetic resonance image follow-up study / Cai01.11.04.Ph.D.2016.Am.C Changes in ventricular structure and function after balloon mitral valvuloplasty : Magnetic resonance image follow-up study / Cai01.11.04.Ph.D.2016.De.C Comparative evaluation of right ventricular function after coronary artery bypass grafting and percutaneous coronary intervention to RCA / Cai01.11.04.Ph.D.2016.De.C Comparative evaluation of right ventricular function after coronary artery bypass grafting and percutaneous coronary intervention to RCA / Cai01.11.04.Ph.D.2016.Ma.S The significance of Q wave on electrocardiogram at the presentation of anterior wall ST segment elevation myocardial infarction for patients undergoing primary percutaneous intervention /

Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Cardiology

Prior studies have showed abnormal left ventricular (LV) function in patients with rheumatic mitral stenosis (MS). The pattern of LV remodeling after balloon mitral valvuloplasty (BMV) has not been well elucidated. To describe changes in global and regional LV myocardial function in patients with rheumatic MS using CMR 6 months and one year after successful BMV. Thirty patients (median age 33 years, 22 women) with isolated rheumatic MS were studied. All patients had CMR before, 6 months and one year after successful BMV. The following parameters were studied: indexed LV end diastolic and end systolic volumes (LVEDVI and LVESVI respectively), ejection fraction (EF), LV torsion, and regional and global LV deformation (analyzed at 17 LV segments using myocardial tissue tagging). Late gadolinium enhancement was studied to look for any myocardial fibrosis. At baseline, patients had median EF of 57 (range: 45-69) %, LVEDVI of 74 (44-111) ml/m2 and LVESVI of 31 (14-57) ml/m2 with absence of late gadolinium enhancement in all myocardial segments. Six months following BMV, compared to pre-BMV study, all LV myocardial segments showed significant improvement in strain parameters with significant increase in global longitudinal LV peak systolic strain (-16.4 vs. -13.8, p<0.001), global circumferential peak systolic strain (-17.8 vs. -15.6, p=0.002), base-apex LV torsion (3.3{u00B0} vs. 2.5{u00B0} p<0.001) and base -mid LV torsion 3.6 vs. 2.3{u00B0} p<0.001

Issued also as CD

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