Mitral Regurgitation Severity Analysis Based on Features and Optimal HE (OHE) with Quantification using PISA Method

2017 ◽  
Vol 28 (5) ◽  
pp. 777-789
Author(s):  
Pinjari Abdul Khayum ◽  
Reddy Pogu Sudheer Babu

Abstract Heart disease is the foremost reason for death and also the main source of incapability in the developed nations. Mitral regurgitation (MR) is a typical heart disease that does not bring about manifestations until its end position. In view of the hidden etiologies of heart distress, functional MR can be partitioned into two subgroups, ischemic and no ischemic MR. A procedure is progressed for jet area separation and quantification in MR evaluation in arithmetical expressions. Thus, a strategy that depends on echocardiography recordings, image processing methods, and artificial intelligence could be useful for clinicians, particularly in marginal cases. In this research paper, MR segmentation is analyzed by the optimal histogram equalization (OHE) system used to segment the jet area. For a better execution of the work, threshold in HE was improved with the help of the krill herd optimization (KHO) strategy. With the MR quantification procedure, this segmented jet area was supported by the proximal isovelocity surface area (PISA); in this procedure, a few parameters in the segmentation were evaluated. From the results, this proposed methodology accomplishes better accuracy in the segmented and quantification method in contrast with the existing examination.

2021 ◽  
Vol 77 (18) ◽  
pp. 2581
Author(s):  
Andrea Teira Calderon ◽  
Adrián Margarida ◽  
Ignacio Santiago ◽  
Indira Cabrera ◽  
Sofia Gonzalez Lizarbe ◽  
...  

1993 ◽  
Vol 42 (2) ◽  
pp. 165-173 ◽  
Author(s):  
Georg Grossmann ◽  
Martin Giesler ◽  
Arnold Schmidt ◽  
Matthias Kochs ◽  
Siegfried Wieshammer ◽  
...  

2021 ◽  
Author(s):  
Miriam S. Jacob ◽  
Brian P Griffin

Valvular heart disease is an important cause of cardiac morbidity in developed countries despite a decline in the prevalence of rheumatic disease in those countries. This chapter discusses the many etiologies of valvular heart disease and presents methods for assessment and management. Specific valvular lesions discussed include mitral stenosis, mitral regurgitation, mitral valve prolapse, aortic stenosis, aortic regurgitation, and tricuspid and pulmonary disease. The section on tricuspid disease includes a discussion of mechanical prostheses (ball-in-cage and tilting-disk) and biologic prostheses (xenografts, allografts, and autografts) and their complications.  This review contains 5 figures, 9 tables, and 53 references. Keywords: Valvular heart disease, stenosis, regurgitation, mitral regurgitation, mitral valve prolapse (MVP), aortic stenosis, congenital bicuspid valve, senile valvular calcification, aortic regurgitation, chordae or papillary muscles


2007 ◽  
Vol 2 (1) ◽  
pp. 73-92 ◽  
Author(s):  
Michael K. Gusmano ◽  
Victor G. Rodwin ◽  
Daniel Weisz ◽  
Dhiman Das

Cross-national comparisons that assess dimensions of health system performance indicate that the US provides higher rates of revascularization procedures than France and other developed nations, but we believe these findings are misleading. In this paper, we compare the use of these procedures in the US, France and their two world cities, Manhattan and Paris. In doing so, we address a number of limitations associated with existing cross-national comparisons of heart disease treatment. After adjusting for the prevalence of disease in these nations and cities, we found that residents of France aged 45–64 years receive more revascularization procedures than residents of the US and that Parisians receive more revascularizations than residents of Manhattan. Older residents 65 years and over (65+) in the US receive more of these procedures than their French counterparts, but the differences are not nearly as great as previous studies suggest. Moreover, our data on Manhattan and Paris where the population and level of health resources are more comparable, indicate that older Parisians obtain more revascularization procedures than older Manhattanites. Finally, we found that the use of revascularization procedures is significantly lower in Manhattan among persons without private health insurance and among racial and ethnic minorities.


2021 ◽  
Vol 7 ◽  
Author(s):  
Ali Ahmad ◽  
Edward A. El-Am ◽  
Reto D. Kurmann ◽  
Donald J. Hagler ◽  
Melanie C. Bois ◽  
...  

Introduction: Cardiac papillary fibroelastomas (PFEs) are the most common primary benign cardiac tumors, although they are somewhat unusual in children and typically seen on the left-sided cardiac valves.Case summary: A 10-week-old patient was found to have a partial atrioventricular canal defect, with associated tricuspid and mitral regurgitation. He was medically managed until 1 year of age, when surgical correction was done. During the procedure, a PFE was found incidentally on the TV.Conclusion: This is one of the youngest patients to be reported with PFE, thus adding to the literature of these unusual cases in children.


Sign in / Sign up

Export Citation Format

Share Document