Publications by authors named "Mauricio Ballesteros"
RETRACTED: Influence of acute preoperative plasmapheresis on platelet function in cardiac surgery.
J Cardiothorac Vasc Anesth
February 1993
Withdrawal of autologous plasma offers the possibility of improving patients' hemostasis and of reducing homologous blood consumption in cardiac surgery. The influence of acute, preoperatively performed plasmapheresis (APP) on platelet function was investigated in elective aortocoronary bypass patients subjected to APP producing either platelet-poor plasma (PPP; group 1; n = 12) or platelet-rich plasma (PRP; group 2; n = 12). APP-treated patients were randomly compared to patients without APP (control group; n = 12).
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- The study assessed the impact of aortic stenosis (AS) on right ventricular (RV) function during cardiac surgery, comparing patients with different systolic transvalvular gradients.
- Before cardiopulmonary bypass (CPB), patients with a gradient over 120 mm Hg had significantly lower right ventricular ejection fraction (RVEF), but showed improvement after CPB.
- The findings suggest that patients with higher gradients may require more medication and careful monitoring during surgery due to their risk of reduced RV function.