Effect of expiratory phase for radiographic detection of left heart enlargement in dogs with mitral regurgitation

2020 ◽  
Vol 61 (3) ◽  
pp. 291-301
Author(s):  
Saran Chhoey ◽  
Sang‐Kwon Lee ◽  
Hyejin Je ◽  
Jin‐Woo Jung ◽  
Youjung Jang ◽  
...  
1977 ◽  
Vol 47 (4) ◽  
pp. 395-395 ◽  
Author(s):  
Donn A. Chambers ◽  
Joel A. Kaplan

Author(s):  
Haytham Elgharably ◽  
Hoda Javadikasgari ◽  
Marijan Koprivanac ◽  
Ashley M Lowry ◽  
Kimi Sato ◽  
...  

Abstract OBJECTIVES Repair outcomes of tricuspid regurgitation (TR) associated with ischaemic mitral regurgitation (IMR) are inferior to functional TR in terms of TR recurrence and right ventricular (RV) reverse remodelling. Our objective is to analyse right versus left heart reverse remodelling after surgery for IMR-associated TR. METHODS From 2001 to 2011, 568 patients with severe IMR underwent mitral valve surgery (repair 87%, replacement 13%), and 131 had concomitant tricuspid valve repair. Median follow-up was 3.0 years; 25% of living patients were followed up for 6.3 years. Longitudinal analysis of 1527 follow-up echocardiograms was performed to assess ventricular reverse remodelling and function. RESULTS Unlike the left heart, the right heart failed to reverse remodel (failed to recover ventricular function or halt dilatation). During follow-up after surgery, the right ventricle continued to dilate while the left ventricle regressed in size. RV ejection fraction decreased (46% at 1 month and 44% at 5 years), while left ventricular ejection fraction increased (33% and 37%, respectively). RV strain showed early (−11% at 1 month) and late (−12% at 5 years) dysfunction. Patients who underwent tricuspid valve repair had worse RV function. Mitral regurgitation remained stable after surgical intervention, and TR gradually recurred (37% moderate, 20% severe at 7 years). CONCLUSIONS Surgical treatment of IMR and TR along with revascularization failed to induce reverse remodelling of the right heart. These findings warrant further investigations to identify optimal timing and approach of intervention for IMR-associated TR with respect to RV remodelling.


2004 ◽  
Vol 14 (4) ◽  
pp. 453-455 ◽  
Author(s):  
Funda Öztunç ◽  
Kadir Babaoĝlu ◽  
Halil Türkoĝlu

Cervical aortic arch is a rare congenital anomaly. We present a case of left-sided cervical aortic arch, found in a patient with mitral regurgitation, mitral stenosis, and a regurgitant bicuspid aortic valve. There was atypical obstruction proximally within the arch. The obstructive segment was resected, and corrected by performing an end-to-side anostomosis. Mitral valvoplasty was performed in the same surgical procedure. To the best of our knowledge, a cervical arch has not previously been described with such atypical obstruction, and in association with multiple lesions involving the left heart.


2021 ◽  
Author(s):  
Michael J. Paulsen ◽  
Mateo Marin Cuartas ◽  
Annabel Imbrie-Moore ◽  
Hanjay Wang ◽  
Robert Wilkerson ◽  
...  

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