we report a rare case of acute right coronary artery stenosis developing in a patient undergoing aortic valve replacement. we present a case report with a brief overview of the literature relating to coronary artery occlusion associated with cardiac valve surgery – the theories and treatments are discussed. a 85 year-old female was admitted under the care of the  cardiothoracic team with signs ...

bailon mitral valvuloplasty and closed mitral valve conunissurotomy were performed in 450 and 127 patients, respectively. also, 254 patients with severe mitral stenosis were enrolled in a prospective randomized trial comparing the two procedures. immediately after balloon mitral valvuloplasty, mean left atrial pressure was 11.38±3.54 mmhg, transmitral valve gradient was 1.8±2 mmhg, and mitral v...

from may 1994 to december 1996 thirty patients received viable fresh aortic homografts. mean age was 55 years (13 to 70), male to female ratio was 2/1, 24 operations were elective whereas 6 were semiurgent. predominant lesions were aortic stenosis or regurgitation in lb patients, aortic valve endocarditis in 10, prosthetic valve dysfunction in 3, and aortic root pathology in one patient. from t...

Introduction: Surgical procedures, especially total laryngectomy, have a profound adverse effect on the patient's physical, functional, as well as emotional health, and strongly decrease quality of life. Tracheoesophageal puncture is one of the most significant method that is widely performed successfully by physicians. Current valve technology enables long expiring duration; however, gen...

classic anti reflux procedures on children with a history of posterior urethral valve does not usually yield good results and often ends up with ureteral obstruction and even permanent urinary diversion. from 1981 through 1988,21 boys with history of posterior urethral valve (puv) underwent evaluation for vesicoureteral (vu) reflux 17 boys had vu reflux. following valve ablation, reflux disappe...

In this work are studied the Jacobians of certain singular transformations and the corresponding measures which support the jacobian computations.

Papillary fibroelastoma (PFE) is an uncommon primary neoplasm of cardiac origin. They are solitary neoplasms that historically were an incidental finding at the time of autopsy. With the advent of two-dimensional echocardiography, symptomatic cases have been reported in current literature, thus causing a paradigm shift in the management of these tumors. Although the majority of PFE are benign, ...

Following the results of cite{Med}, regarding the Aluthge transform of polynomial matrices, the symbolic computation of the Duggal transform of a polynomial matrix $A$ is developed in this paper, using the polar decomposition and the singular value decomposition of $A$. Thereat, the polynomial singular value decomposition method is utilized, which is an iterative algorithm with numerical charac...