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Assessment of ventricular function in patients of atrial septal defect by strain imaging before and after correction


1 Department of Cardiology, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
2 Department of Cardiology, Institute of Post Graduation Medical Education and Research, Kolkata, India
3 Department of Cardiac Anaesthesia, Institute of Post Graduation Medical Education and Research, Kolkata, India

Correspondence Address:
Sandeep Kumar Kar
IPGMER, Kolkata, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_153_17

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Year : 2019  |  Volume : 22  |  Issue : 1  |  Page : 41-46

 

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Background: Atrial septal defect (ASD) is a common congenital heart disease associated with volume overload of Right ventricle (RV) with variable effect on Left ventricle (LV). Two-dimensional (2D) Strain analysis is a new tool for objective analysis of myocardial function. This prospective study evaluated the systolic function of right and left ventricle by conventional 2D echo and strain echo and measured changes in cardiac hemodynamics that occurred in patients of ASD before and after correction. Patients and Methods: 2D echo and strain analysis of each patient before and at 48 hrs, 3 months and 6 months after correction was performed. Routine 2D echo parameters and global longitudinal strain of both ventricles were measured. Result: Improvement in LV ejection fraction (P = 0.0001) and myocardial performance index (MPI) (P < 0.0001) occurred at the end of 6 months, whereas decrease in RV MPI (P < 0.0001) and tricuspid annular plane systolic excursion (P < 0.0001) became statistically significant after 3 months of ASD correction. In comparison to conventional 2D echo, global longitudinal strain of RV decreased significantly only after 48 hours of ASD correction while there was no improvement in left ventricular global longitudinal strain after 6 month of correction. Conclusion: There was improvement in RV function with subtle change in LV function by strain imaging and most of these changes were completed within 6 months of ASD correction and nearly correlated with conventional 2DEchocardiography.






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1 Department of Cardiology, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
2 Department of Cardiology, Institute of Post Graduation Medical Education and Research, Kolkata, India
3 Department of Cardiac Anaesthesia, Institute of Post Graduation Medical Education and Research, Kolkata, India

Correspondence Address:
Sandeep Kumar Kar
IPGMER, Kolkata, West Bengal
India
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_153_17

Rights and Permissions

Background: Atrial septal defect (ASD) is a common congenital heart disease associated with volume overload of Right ventricle (RV) with variable effect on Left ventricle (LV). Two-dimensional (2D) Strain analysis is a new tool for objective analysis of myocardial function. This prospective study evaluated the systolic function of right and left ventricle by conventional 2D echo and strain echo and measured changes in cardiac hemodynamics that occurred in patients of ASD before and after correction. Patients and Methods: 2D echo and strain analysis of each patient before and at 48 hrs, 3 months and 6 months after correction was performed. Routine 2D echo parameters and global longitudinal strain of both ventricles were measured. Result: Improvement in LV ejection fraction (P = 0.0001) and myocardial performance index (MPI) (P < 0.0001) occurred at the end of 6 months, whereas decrease in RV MPI (P < 0.0001) and tricuspid annular plane systolic excursion (P < 0.0001) became statistically significant after 3 months of ASD correction. In comparison to conventional 2D echo, global longitudinal strain of RV decreased significantly only after 48 hours of ASD correction while there was no improvement in left ventricular global longitudinal strain after 6 month of correction. Conclusion: There was improvement in RV function with subtle change in LV function by strain imaging and most of these changes were completed within 6 months of ASD correction and nearly correlated with conventional 2DEchocardiography.






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