The Journal of thoracic and cardiovascular surgery
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J. Thorac. Cardiovasc. Surg. · Apr 2013
Surgical outcomes after cardiac surgery in liver transplant recipients.
This was a single-center retrospective study to assess the surgical outcomes and predictors of mortality of liver transplant recipients undergoing cardiac surgery. ⋯ Cardiac surgery in the liver allograft recipients was associated with acceptable surgical outcomes. Preoperative encephalopathy and pulmonary hypertension were independent predictors of late mortality. The cutoff value of 13.5 in the MELD score might be useful for predicting surgical mortality in cardiac surgery.
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J. Thorac. Cardiovasc. Surg. · Apr 2013
Clinical TrialClinical analysis of concomitant valve replacement and bipolar radiofrequency ablation in 191 patients.
The study objective was to evaluate the safety and efficacy of concomitant bipolar radiofrequency ablation and heart valve replacement in patients with rheumatic heart disease and atrial fibrillation. ⋯ Concomitant bipolar radiofrequency ablation is an effective and safe technique for treating atrial fibrillation in patients with rheumatic heart disease undergoing valve replacement, with promising follow-up results.
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J. Thorac. Cardiovasc. Surg. · Apr 2013
Pulmonary valve implantation using self-expanding tissue valve without cardiopulmonary bypass reduces operation time and blood product use.
The study objective was to review our initial experience with newly developed off-pump pulmonary valve implantation techniques and compare outcomes with the conventional approach. ⋯ Off-pump pulmonary valve implantation is a good alternative for pulmonary valve replacement. The procedure reduces operating time, blood loss, and blood product requirement.
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J. Thorac. Cardiovasc. Surg. · Apr 2013
Complete revascularization is compromised in off-pump coronary artery bypass grafting.
Patients who undergo off-pump coronary artery bypass grafting (OPCAB) commonly receive fewer bypass grafts and are more often incompletely revascularized compared with those receiving conventional coronary artery bypass (CCAB) recipients. Because this can compromise survival, we sought to determine whether patients undergoing OPCAB are incompletely revascularized and whether this affects long-term survival and freedom from cardiac events. ⋯ Despite receiving fewer distal anastomoses and the decreased frequency of complete revascularization, OPCAB and CCAB techniques produced comparable results.
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J. Thorac. Cardiovasc. Surg. · Apr 2013
Role of the sinuses of Valsalva on the opening of the aortic valve.
The present in vitro study was designed to ascertain whether the presence of sinuses of Valsalva in the aortic root were able to regulate the valve effective orifice area and modulate the gradient across the valve independently from root compliance. ⋯ When the cardiac output is increased to greater than the resting physiologic values, the presence of sinuses of Valsalva, independently of root compliance, prevents an increase in the pressure decrease across the valve by way of an increase of the effective orifice area.