Bruno J Enekvist

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BACKGROUND The rate of uptake of volatile anesthetics is dependent on alveolar concentration and ventilation, blood solubility and cardiac output. We wanted to determine whether increased tidal volume (V(T)), with unchanged end-tidal carbon dioxide partial pressure (P(ET)CO(2)), could affect the arterial concentration of sevoflurane. METHODS Prospective,(More)
STUDY OBJECTIVE To determine if a large tidal volume (VT), with an unchanged end-tidal carbon dioxide partial pressure (PETco2), could improve arterial carbon dioxide elimination, oxygen saturation (Spo2), and arterial blood oxygenation. DESIGN Prospective, randomized, clinical study. SETTING Single university hospital. PATIENTS 60 ASA physical status(More)
BACKGROUND AND OBJECTIVE General anaesthesia impairs respiratory function in overweight patients. We wanted to determine whether increased tidal volume (V(T)), with unchanged end-tidal carbon dioxide partial pressure (P(ET)CO₂), affects blood concentrations of oxygen and sevoflurane in overweight patients. METHODS The present study is a prospective,(More)
The variables measured in modern pulse oximetry apparatuses include a graphical pulse curve and a specified perfusion value (PV) that could be a sensitive marker for detecting differences in sympathetic activity. We hypothesized that there is a correlation between a reduction of PV and the time to eye opening after general anaesthesia. The objective was to(More)
Atelectasis formation can be reduced by positive end-expiratory pressure (PEEP), but resulting increases in intrathoracic pressure could affect circulation. We have earlier demonstrated that increased tidal volumes with larger apparatus dead space improves oxygenation and sevoflurane uptake. In the present study, we hypothesize that isocapnic ventilation(More)
AANA Journal  August 2016  Vol. 84, No. 4 255 Variables measured in modern pulse oximetry apparatuses include a graphic pulse curve and a specified perfusion value (PV) that could be a sensitive marker for detecting differences in sympathetic activity. We hypothesized that there is a correlation between a reduction of PV and the time to eye opening after(More)
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