Publications by authors named "Marta Turella"

Background: The use of positive end-expiratory pressure (PEEP) and prone position (PP) is common in the management of severe acute respiratory distress syndrome patients (ARDS). We conducted this study to analyze the variation in lung volumes and PEEP-induced lung volume recruitment with the change from supine position (SP) to PP in ARDS patients.

Methods: The investigation was conducted in a multidisciplinary intensive care unit.

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Background: Auto-positive end-expiratory pressure (auto-PEEP) may substantially increase the inspiratory effort during assisted mechanical ventilation. Purpose of this study was to assess whether the electrical activity of the diaphragm (EAdi) signal can be reliably used to estimate auto-PEEP in patients undergoing pressure support ventilation and neurally adjusted ventilatory assist (NAVA) and whether NAVA was beneficial in comparison with pressure support ventilation in patients affected by auto-PEEP.

Methods: In 10 patients with a clinical suspicion of auto-PEEP, the authors simultaneously recorded EAdi, airway, esophageal pressure, and flow during pressure support and NAVA, whereas external PEEP was increased from 2 to 14 cm H2O.

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Objective: Acute respiratory distress syndrome is characterized by collapse of gravitationally dependent lung regions that usually diverts tidal ventilation toward nondependent regions. We hypothesized that higher positive end-expiratory pressure and enhanced spontaneous breathing may increase the proportion of tidal ventilation reaching dependent lung regions in patients with acute respiratory distress syndrome undergoing pressure support ventilation.

Design: Prospective, randomized, cross-over study.

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Background And Objective: Xenon anaesthesia may have the potential to reduce postoperative cognitive impairment after general anaesthesia. This randomized double-blind controlled trial was designed to compare the early postoperative cognitive recovery after xenon and sevoflurane anaesthesia.

Methods: After institutional ethics approval, we obtained informed written consent from 60 adults, with American Society of Anesthesiologists I or II status, scheduled for elective surgery with an estimated surgery time between 60 and 360 min.

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