Experimental Study and Early Clinical Application Of a Sutureless Aortic Bioprosthesis.

Introduction: The conventional aortic valve replacement is the treatment of choice for symptomatic severe aortic stenosis. Transcatheter technique is a viable alternative with promising results for inoperable patients. Sutureless bioprostheses have shown benefits in high-risk patients, such as reduction of aortic clamping and cardiopulmonary bypass, decreasing risks and adverse effects.

Perioperative serum troponin I levels are associated with higher risk for atrial fibrillation in patients undergoing coronary artery bypass graft surgery.

Atrial fibrillation (AF) remains a frequent complication after coronary artery bypass graft surgery (CABG). We evaluate the association of AF occurrence and serum cardiac troponin I (cTnI) levels in the early postoperative period after CABG. Between April 2009 and January 2010, 95 consecutive patients with sinus rhythm who underwent CABG were evaluated.

Surgical treatment of chronic type A aortic dissection in patients undergoing coronary artery bypass grafting.

Surgical treatment of aortic dissection is a challenge for the cardiac surgeon, especially in patients undergoing cardiac operations. Our objective in this case report is to demonstrate how we treat the chronic type A aortic dissection in patients revascularized using percutaneous arterial and venous cannulae.

Premolded bovine pericardial chords for replacement of ruptured or elongated chordae tendineae.

Background: The aim of this study was to assess by Doppler echocardiography (ECO) the functioning of the mitral valve apparatus in patients who have undergone implantation of standardized bovine pericardium chordae (SBPC) for replacement of ruptured or elongated chordae tendineae with significant thinning.

Methods: SBPC were implanted in 31 patients who had mitral insufficiency due to rupture of chordae tendinae or elongated chordae with significant thinning. Patient ages ranged from 19 to 85 years (mean of 58 years).

[Fistula between anterior intraventricular coronary artery and the pulmonary artery trunk: five operated patients].

The current study reports on the operative experience of patients with coronary artery fistulas between the anterior intraventricular coronary artery and pulmonary trunk. Of the five patients operated, 60% were women and the ages ranged form 40 to 46 years old. Stress echocardiogram and coronary cineangiography were accomplished for all patients.

Echocardiographic evaluation of patients submitted to replacement of ruptured chordae tendineae.

Objective: The objective of this study was to evaluate, using echocardiography, the functioning of the mitral valve apparatus in patients submitted to standardized bovine pericardium chordae implantation to substitute ruptured chordae tendineae or elongated chordae with a significant degree of thinning.

Method: Standardized bovine pericardium chordae were implanted in 23 patients with mitral valve insufficiency due to ruptured or elongated chordae with significant thinning. The ages of the patients varied from 23 to 84 years old (mean 62 years old).