Table-III: Pre and Post PTMC End-Diastolic Trans mitral Gradient and Mitral valve area.
Ina series of 912 consecutive patients that were followed for 20 years, independent predictors of primary end point included advanced NYHA class, age, lower MVA, previous valvularsurgical history, prevalence of MR, Wilkins score a$?8, raised mitral gradient followed by PBMV, presence of atrial fibrillation and pulmonary hypertension29.
There was no mitral regurgitation and the mitral gradient
was not measurable because of the anatomical presentation.
When applying the Pearson correlation, a significant direct correlation was observed between the following variables: FS and mitral gradient
(r= 0.66), between LA/ AO with mitral gradient
(r= 0.70), and between LA/AO with FS (r= 0.75).
Echocardiography revealed moderate biventricular systolic dysfunction without an abnormal mitral gradient
. Vasopressor drugs were withdrawn, loop diuretics were started, and weaning from mechanical ventilation was achieved by 24 h postoperatively.
Mean mitral gradient
and MVA were calculated using the Gorlin formula; cardiac output was determined by Fick or thermodilution method.
Transthoracic echocardiographic examination showed severely increased transprosthetic aortic gradients (mean: 72 mmHg) and normal transprosthetic mitral gradients
. Although aortic prosthetic valve could not be adequately visualized, transesophageal echocardiographic examination revealed decreased valve motions.