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Curso de Atualização em Medicina Cardiovascular 2019
Reunião Anual Conjunta dos Grupos de Estudo de Cirurgia Cardíaca, Doenças Valvulares e Ecocardiografia da SPC
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A. Basics
B. Imaging
C. Arrhythmias and Device Therapy
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01. History of Cardiology
02. Clinical Skills
03. Imaging
04. Arrhythmias, General
05. Atrial Fibrillation
06. Supraventricular Tachycardia (non-AF)
07. Syncope and Bradycardia
08. Ventricular Arrhythmias and Sudden Cardiac Death (SCD)
09. Device Therapy
10. Chronic Heart Failure
11. Acute Heart Failure
12. Coronary Artery Disease (Chronic)
13. Acute Coronary Syndromes
14. Acute Cardiac Care
15. Valvular Heart Disease
16. Infective Endocarditis
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19. Tumors of the Heart
20. Congenital Heart Disease and Pediatric Cardiology
21. Pulmonary Circulation, Pulmonary Embolism, Right Heart Failure
22. Aortic Disease
23. Peripheral Vascular and Cerebrovascular Disease
24. Stroke
25. Interventional Cardiology
26. Cardiovascular Surgery
27. Hypertension
28. Risk Factors and Prevention
29. Rehabilitation and Sports Cardiology
30. Cardiovascular Disease in Special Populations
31. Pharmacology and Pharmacotherapy
32. Cardiovascular Nursing
33. e-Cardiology / Digital Health
34. Public Health and Health Economics
35. Research Methodology
36. Basic Science
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CLEAR FILTERS
Evaluation of left atrial strain in patients with rheumatic mitral stenosis
Session:
Posters 2 - Écran 07 - Doença Valvular
Speaker:
Filipa Castro
Congress:
CPC 2018
Topic:
F. Valvular, Myocardial, Pericardial, Pulmonary, Congenital Heart Disease
Theme:
15. Valvular Heart Disease
Subtheme:
15.3 Valvular Heart Disease – Diagnostic Methods
Session Type:
Posters
FP Number:
---
Authors:
Filipa Castro; Olga Azevedo; Mário Lourenço; Bebiana Faria; Isabel Nogueira; António Lourenço
Abstract
<p><strong>Introduction:</strong> Rheumatic mitral stenosis (MS) causes left atrial (LA) geometrical changes, due to an increase in LA pressure and volume, and<br /> consequently deterioration of its systolic function. LA <em>strain</em> analysis by <em>speckle tracking</em> emerges as a gold standard for evaluation of atrial<br /> myocardial deformation.</p> <p><strong>Aim: </strong>To evaluate LA function with <em>strain</em> analysis by <em>speckle tracking</em> in patients with rheumatic MS.</p> <p><strong>Methods:</strong> We included 44 patients with mild to severe rheumatic MS, in sinus rhythm, and 21 healthy controls. All subjects underwent transthoracic<br /> echocardiogram, including evaluation of LA diameter and volume and <em>strain </em>analysis by <em>speckle tracking</em>. Peak atrial longitudinal strain (PALS)<br /> was measured at the end of the reservoir phase and peak atrial contraction strain (PACS) was measured just before the start of the active atrial<br /> contractile phase. The average of PALS and PACS was obtained from the 12 LA segments at apical 4 and 2chamber views. The LA contraction<br /> strain index (CSI) (ratio PACS/PALS x100) was also calculated. SPSS 20.0 was used for statistical analysis.</p> <p><strong>Results: </strong>Patients with rheumatic MS were predominantly female (86,4%).Mean age was 59±12, significantly older than healthy controls (p=0,002). Patients with rheumatic MS had significantly higher LA diameter (27±5 vs. 20±2 mm/m2; p<0.001) and volume (48±18 vs. 22±4 ml/m2; p<0.001). Patients with rheumatic MS had significantly lower PALS (17,5±7,3 vs.43±9.3, p<0.001) and PACS (9,5±4,9 vs 22.3±5.7, p<0.001). The LA CSI was not significantly different between patients with rheumatic MS and controls (54,4±18,7 vs. 52,3±10,8%, p=0.095).</p> <p><strong>Conclusion:</strong> PALS and PACS are significantly decreased in patients with rheumatic MS. Additional studies are required to evaluate the impact of these indices on the risk for development of atrial fibrillation and hence prognosis in patients with rheumatic MS.</p>
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