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Echocardiographic quantification of mitral valvular response to myocardial revascularization.
Ann Card Anaesth ; 2013 Jan; 16(1): 23-27
Article in English | IMSEAR | ID: sea-145388
ABSTRACT
Aims and

Objectives:

Mild and/or moderate ischemic mitral regurgitation (IMR) may resolve after isolated coronary artery bypass grafting (CABG). It has been shown that the loss of saddle shape of the mitral valve is associated with IMR and is determined by an increase in the nonplanarity angle (NPA). The aim of this prospective, observational study was to test the hypothesis that NPA might decrease immediately after CABG alone in patients with mild to moderate IMR. Materials and

Methods:

This prospective, observational study was conducted in an academic, tertiary care hospital. Twenty patients underwent 2D and 3D transoesophageal echocardiography (TEE) and mitral valve assessment before and immediately after the CABG. NPA, circularity index, and other geometric variables were obtained. They were compared using paired t test. The SPSS (Version 15.0, Chicago, IL, USA) was used for statistical analysis. P <0.05 was considered significant.

Results:

The NPA was similar in the pre- and post-bypass periods (148° ± 15°, 148° ± 19°, P = 0.88). Circularity index (0.93 ± 0.13, 0.97 ± 0.11, P = 0.41) also was similar.

Conclusions:

There was no change in the mitral valve NPA with revascularization alone in patients with mild or moderate IMR. Mitral valve does not change its planarity (NPA) with revascularization alone in patients with IMR.
Subject(s)

Full text: Available Index: IMSEAR (South-East Asia) Main subject: Patients / Humans / Coronary Artery Bypass / Echocardiography, Transesophageal / Echocardiography, Three-Dimensional / Percutaneous Coronary Intervention / Mitral Valve / Mitral Valve Insufficiency / Myocardial Revascularization Type of study: Observational study Language: English Journal: Ann Card Anaesth Year: 2013 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Patients / Humans / Coronary Artery Bypass / Echocardiography, Transesophageal / Echocardiography, Three-Dimensional / Percutaneous Coronary Intervention / Mitral Valve / Mitral Valve Insufficiency / Myocardial Revascularization Type of study: Observational study Language: English Journal: Ann Card Anaesth Year: 2013 Type: Article