Preoxygenation prior to general anaesthesia prolongs safe apnea time. Proper preoxygenation is always a challenge in emergency surgery. The aim of our study is to estimate problems encountered during preoxygenation, their risk factors and ways of solving them.
Factors, that are associated with compromised preoxygenation will be determined during our study. Pulse oximetry data and end-tidal oxygen concentration values will be evaluated in association with risk factors for insufficient anaesthesia face mask seal, difficult intubation, preoxygenation techniques used, comorbidities, physical status, hemodynamic and laboratory measures. Parameters analysed: * Preoperative: medical history, physical examination, laboratory findings, anthropometric data * Intraoperative: preoxygenation equipment and method used (defined by anaesthesiologist in charge of the case), oxygenation and haemodynamic values recorded during preoxygenation and induction of anaesthesia, intraoperative laboratory values (if obtained)
Study Type
OBSERVATIONAL
Enrollment
200
Vilnius University Hospital Santaros Clinics
Vilnius, Lithuania
RECRUITINGEfficient preoxygenation in preset time
End-tidal oxygen concentration values
Time frame: 300 seconds
Factors influencing preoxygenation quality
Medical history, physical status, lab findings, preoxygenation equipment and method
Time frame: 300 seconds
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