This study on chronic lung comorbidity in CABG patients shows that this association can be of deleterious prognostic value but this effect is directly related to the degree of functional severity. Preoperative FEV1<60% must be considered as a primary prognostic factor in patients undergoing CABG procedures.

In patients with severe ventricular hypertrophy it may be important to elude patient-prosthesis mismatch to avoid a significant increase in mortality and improve ventricular mass regression. Mismatch may be tolerable in those patients with lesser degree of hypertrophy.

Increased left ventricular mass index is associated with an in-hospital adverse outcome and a significantly higher in-hospital mortality in patients undergoing aortic valve replacement. Outcomes in asymptomatic patients could be improved before a clinically significant increase in left ventricular mass index. Further studies should be performed to determine the usefulness of this index in selecting patients for earlier aortic valve replacement.

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Ventricular dysfunction and high hypertrophy may influence surgical outcome in aortic stenosis. Our aim was to determine whether an excessive left ventricular mass index (LVMI) discriminates different risk profiles in aortic stenosis with low ventricular ejection fraction (LVEF). Three hundred and thirty-nine patients with severe aortic stenosis underwent valve replacement (Mar-1994 and Nov-2001). LVMI values over the superior quartile were considered increased. Mortality models were constructed in global and LVEF

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