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Pressure-controlled versus manual facemask ventilation for anaesthetic induction in adults: A randomised controlled non-inferiority trial.
Acta Anaesthesiol Scand
November 2023
Department of Anaesthesia and Intensive Care, Västmanland Hospital Köping, Köping, Sweden.
Background: Pressure-controlled face mask ventilation (PC-FMV) with positive end-expiratory pressure (PEEP) after apnoea following induction of general anaesthesia prolongs safe apnoea time and reduces atelectasis formation. However, depending on the set inspiratory pressure, a delayed confirmation of a patent airway might occur. We hypothesised that by lowering the peak inspiratory pressure (PIP) when using PC-FMV with PEEP, confirmation of a patent airway would not be delayed as studied by the first return of CO , compared with manual face mask ventilation (Manual FMV).
View Article and Find Full Text PDFArterial partial pressure of oxygen as a marker of airway closure does not correlate with the efficacy of pre-oxygenation: A prospective cohort study.
Eur J Anaesthesiol
September 2023
From the Department of Anaesthesia and Intensive Care (AL, EÖ, LE) and Region Vastmanland - Uppsala University, Centre for Clinical Research, Vastmanland Hospital Vasteras, Sweden (AL, EÖ, LE).
Background: The prerequisites for the early formation of anaesthesia-related atelectasis are pre-oxygenation with its resulting high alveolar oxygen content, and airway closure. Airway closure increases with age, so it seems counterintuitive that atelectasis formation during anaesthesia does not. One proposed explanation is that pre-oxygenation is impaired in the elderly by airway closure present in the waking state.
View Article and Find Full Text PDFAtelectasis after pre-oxygenation with high-flow nasal cannula oxygen confirmed by electrical impedance tomography.
Indian J Anaesth
February 2022
Department of Anaesthesiology, Peking University People's Hospital, Beijing, China.
Anesthesia considerations to reduce motion and atelectasis during advanced guided bronchoscopy.
BMC Pulm Med
July 2021
Interventional Pulmonology, CHI Memorial Rees Skillern Cancer Institute, 725 Glenwood Dr E-500, Chattanooga, TN, 37401, USA.
Partnership between anesthesia providers and proceduralists is essential to ensure patient safety and optimize outcomes. A renewed importance of this axiom has emerged in advanced bronchoscopy and interventional pulmonology. While anesthesia-induced atelectasis is common, it is not typically clinically significant.
View Article and Find Full Text PDFLung ultrasound to monitor the development of pulmonary atelectasis in gynecologic oncologic surgery.
Minerva Anestesiol
December 2020
Unit of Anesthesia in Obstetrics, Gynecology and Pain Therapy II, Department of Emergency, Anesthesiology and Intensive Care Sciences, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy.
Background: Atelectasis formation is considered the major cause of hypoxemia during general anesthesia (GA). Gynecologic oncologic surgery (GOS) often requires pneumoperitoneum and steep bed angulation that further reduce lung compliance by shifting bowels and diaphragm. The aim of our study was to assess the impact of intraoperative variables on lung aeration using lung ultrasound (LUS) score and their correlation with postoperative oxygenation in women undergoing GOS.
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