scholarly journals Comparison of the mitral valve morphologies of Cavalier King Charles Spaniels and dogs of other breeds using 3D transthoracic echocardiography

2018 ◽  
Vol 32 (5) ◽  
pp. 1564-1569 ◽  
Author(s):  
Giulio Menciotti ◽  
Michele Borgarelli ◽  
Michael Aherne ◽  
Paula Camacho ◽  
Jens Häggström ◽  
...  
Author(s):  
Marcelo Haertel Miglioranza ◽  
Denisa Muraru ◽  
Sorina Mihaila ◽  
José Carlos de Araujo Haertel ◽  
Sabino Iliceto ◽  
...  

2007 ◽  
Vol 0 (0) ◽  
pp. 070925014417005-???
Author(s):  
David Liang ◽  
Allan Paloma ◽  
Suman S. Kuppahally ◽  
D. Craig Miller ◽  
Ingela Schnittger

2015 ◽  
pp. 77-82
Author(s):  
Ba Minh Du Le ◽  
Anh Vu Nguyen ◽  
Duc Phu Bui

Background and aim of the study: Mitral repair is now as the treatement of choice in patients suffering mitral regurgitation due to mitral valve prolapse or flail. However, mitral valve repair demands the mitral valve morphology being feasible for repair. The study aims at evaluating transthoracic and transesophageal echocardiographic features in consecutive patients with mitral valve prolapse or flail undergoing surgical repair at Hue Central Hospital. The correlation between preoperative and intraoperative echocardiographic features and surgical findings in these patients. These echocardiographic data may predict the surgical outcome. Methods: From December 2010 to January 2013, 73 patients (37 men, 36 women; average age 37.5) were recruited into the study. All patients had degenerative mitral valve disease causing important regurgitation and underwent systematic preoperative transthoracic echocardiography, preoperative and intraoperative transesophageal echocardiography for delineation of six segments (scallops) of anterior and posterior leaflets. Results: Among 73 patients, 64 patients were in fibroelastic deficiency (87.7%) and 9 patients suffered Barlow disease (12.3%). Mitral valve repair was performed in 52 patients (71.2%) and mitral replacement was performed in 21 patients (28.8%). All 52 mitral valve repair (81.3%) and 12 mitral valve replacement (18.7%) was performed in fibroelastic deficiency patients. All 9 Barlow patients must undergo mitral valve replacement (100%). A prolapse or flail of mitral valve in 73 patients was documented by transthoracic and transesophageal echocardiography and confirmed on surgical inspection. Accuracy of transthoracic echocardiography was (89.0%) and accuracy of transesophageal echocardiography was (91.8%) in identifying mitral valve segments prolapse or flail. Success rate of mitral valve repair was (98.0%) in prolapse of 1 or 2 segments, but was low (36.0%) in prolapse > 3 segments. Success rate of mitral valve repair was (96.6%) in prolapse of posterior leaflet, but was (63.6%) in prolapse anterior leaflet or bileaflet. Conclusion: - Mitral valve repair was favorable in fibroelastic deficiency patients, but difficult in Barlow patients. - Accuracy of transthoracic and transesophageal echocardiography was high in identifying mitral valve segments prolapse or flail. - Success rate of mitral valve repair was high in prolapse of 1 or 2 segments. - Success rate of mitral valve repair was high in in prolapse of posterior leaflet. Key words: Mitral repair, echocardiography, degenerative, Barlow, fibroelastic deficiency, prolapse, flail


2021 ◽  
pp. 021849232110304
Author(s):  
Mehrnoush Toufan ◽  
Zahra Jabbary ◽  
Naser Khezerlou aghdam

Background To quantify valvular morphological assessment, some two-dimensional (2D) and three-dimensional (3D) scoring systems have been developed to target the patients for balloon mitral valvuloplasty; however, each scoring system has some potential limitations. To achieve the best scoring system with the most features and the least restrictions, it is necessary to check the degree of overlap of these systems. Also the factors related to the accuracy of these systems should be studied. We aimed to determine the correlation between the 2D Wilkins and real-time transesophageal three-dimensional (RT3D-TEE) scoring systems. Methods This cross-sectional study was performed on 156 patients with moderate to severe mitral stenosis who were candidates for percutaneous balloon valvuloplasty. To morphologic assessment of mitral valve, patients were examined by 2D-transthoracic echocardiography and RT3D-TEE techniques on the same day. Results A strong association was found between total Wilkins and total RT3D-TEE scores (r = 0.809, p < 0.001). The mean mitral valve area assessed by the 2D and 3D was 1.07 ± 0.25 and 1.03 ± 0.26, respectively, indicating a mean difference of 0.037 cm2 (p = 0.001). We found a strong correlation between the values of mitral valve area assessed by 2D and 3D techniques (r = 0.846, p < 0.001). Conclusion There is a high correlation between the two scoring systems in terms of evaluating dominant morphological features. Partially, mitral valve area overestimation in the 2D-transthoracic echocardiography and its inability to assess commissural involvement as well as its dependence on patient age were exceptions in this study.


2021 ◽  
Vol 70 (Suppl-4) ◽  
pp. S799-802
Author(s):  
Ahsan Beg ◽  
Muhammad Younas ◽  
Amjad Mahmood ◽  
Mubashar Shervani ◽  
Fakher -e- Fayaz

Objectives: Immediate result of PTMC in juvenile (5-12 years) rheumatic mitral stenosis. Study Design: Observational descriptive and retrospective study. Place and Duration of Study: Institute of Cardiology, Multan from 2009 to Jun 2020. Methodology: This is an observational descriptive and retrospective study carried out at Institute of Cardiology, Multan from 2009 to Jun 2020. Patients with clinical evidence of significant mitral stenosis were undergone transthoracic echocardiography. Mitral stenosis was defined as mitral valve area <1.0 cm2 . Mean mitral valve gradient was calculated by mitral valve inflow velocities. Patients with Wilkins score <8 were included. Patients with significant MR, left atrial or atrial appendage clot, infective endocarditis, significant aortic regurgitation or any other indication for bypass surgery were excluded. Patients with Wilkins score >8 were also excluded from the study. Variables recorded on a performa were age, weight, left atrial size, mean mitral valve gradient, preprocedure MR. Reduction of mitral valve mean pressure gradients to less than <50% of the initial value was defined as success (without significant or moderate MR). After the procedure, variables recorded on performa were mean left atrial pressures in mmHg (on angio), mean mitral valve gradients and degree of MR (mild, mild to moderate, moderate or severe MR) on transthoracic echocardiography. Paired t-test of significance (p<0.05) was evaluated using SPSS (version 20). Results: Forty three juvenile patients were included the in the study (2009 to June 2019). Mean age was 10.8 ± 1.4 (range 7-12) years. Mean weight was 28.9 ± 5.2 (20-37) kg. Mean mitral valve gradient (on TTE) before the procedure was 20 ± 6 mmHg. Mean left atrial size and mean area of mitral valve were 42 ± 5 mm and 0.8 ± 0.2 cm2 respectively. Balloon sizes used were 26 mm (n=19) and 24 mm (n=24). After PTMC, mean mitral valve reduced to 7 ± 2 mmHg (p<0.005) and left atrial pressure to 18 ± 7 mmHg. Post procedure transthoracic echocardiography showed 4.7% (n=2/43) patients developed moderate to severe or severe MR. So the success rate was 95.3% (n=41/43). Conclusion: PTMC is safe and effective procedure for juvenile patients with mitral stenosis. Long term follow-up is needed to find out period of re-intervention/surgery free duration from the time of PTMC.


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