Journal of cardiothoracic and vascular anesthesia
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J. Cardiothorac. Vasc. Anesth. · Oct 2015
Observational StudyNeurologic Derangement and Regional Cerebral Oxygen Desaturation Associated With Patency of the Circle of Willis During Carotid Endarterectomy.
To explore the relationship between the maximal fractional decrease of regional cerebral oxygen saturation (rSO2) in neurologic derangement and the patency of the circle of Willis and contralateral carotid artery stenosis. ⋯ The rSO2 can be used to predict shunt insertion, regardless of the patency of the circle of Willis. The probability of shunt insertion increased with increasing degree of contralateral carotid artery stenosis in the absence of anterior circulation in the circle of Willis.
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J. Cardiothorac. Vasc. Anesth. · Oct 2015
Predictors of Permanent Pacemaker Implantation After Transcatheter Aortic Valve Replacement.
Determine predictors of permanent pacemaker (PPM) implantation after transcatheter aortic valve replacement (TAVR). ⋯ The authors found VIV placement, and likely degree of paravalvular leak, to be predictors of PPM placement. VIV and the degree of leak may be useful markers for postoperative prophylactic pacemaker placement.
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J. Cardiothorac. Vasc. Anesth. · Oct 2015
Hemodilution Combined With Hypercapnia Impairs Cerebral Autoregulation During Normothermic Cardiopulmonary Bypass.
To investigate the influence of hemodilution and arterial pCO2 on cerebral autoregulation and cerebral vascular CO2 reactivity. ⋯ Hemodilution down to a hematocrit of<28% combined with hypercapnia negatively affects dynamic cerebral autoregulation, which underlines the importance of tight control of both hematocrit and paCO2 during CPB.