View clinical trials related to Preoxygenation.
Filter by:Airway management is crucial part of the anaesthesia. There is always a considerable risk of complications or even failure during the anaesthesia induction and airway management. The risk could be greater considering anaesthesia in children and neonates because of their anatomical and physiological differences. Children and neonates are more susceptible to hypoxia and bradycardia during induction of anaesthesia, this risk is even greater during the rapid sequence induction/intubation (RSI), in which there is an apnoeic pause because of the absence of manual ventilation. Because of the pause it is necessary to provide enough oxygen in advance during preoxygenation. The aim of this trial is to compare providing oxygen by face-mask and by high-flow nasal oxygen cannula. Another outcome is to evalute the safety profile RSI in children and neonates.
Valuation of the probability for a correct detection of paO2 < 100 mmHg and paO2 > 200 mmHg using the Oxygen Reserve Index
The study assumed that supraglottic jet ventilation is an alternative solution as a safe way to do the preoxygenation before endotracheal intubation by contrasting it with mask pressurized ventilation. The investigators also expected that supraglottic jet ventilation won't increase the occurrence of esophageal reflux.
Preoxygenation is recommended before performing tracheal intubation. In intensive care units (ICU) patients, there is no specific recommendation regarding the duration of preoxygenation, which usually is applied for 3 to 5 minutes. Monitoring the effectiveness of preoxygenation with end-tidal oxygen concentration (EtO2) is strongly recommended in the operating room but it is never used in ICUs. The first aim of this pilot study is to assess the effect of the preoxygenation duration on EtO2, and secondarily, as an exploratory objective, to determine whether targeting a given value of EtO2 during preoxygenation might insure a safer intubation than when targeting pulse oximetry (SpO2).
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.
The aim of this study is to investigate the effects of setting airway pressure release valve (APL valve) on the anesthesia workstation to 5 cmH2O during spontaneous breathing on preoxygenation. In this prospective study healthy volunteers are randomized in cross-over between spontaneous breathing with the APL valve on spontaneous position or spontaneous breathing with the APL valve on 5 cmH2O or CPAP (continous positive airway pressure) mode with 5 cmH2O PEEP (positive end expiratory pressure).
Rationale of the study: we aim to clarify the question (related to still unclear and not univocal response) about the protective or unnecessary role of preoxygenation in non-critically ill patients (otherwise with no high risk of desaturation) undergoing general anesthesia before elective surgery. It will be also necessary differentiate the development of postoperative complications (pulmonary, cardiovascular, neurological, surgical) due to preoxygenation from the ones related with patient comorbidity, intraoperative and surgical causes, tube disconnection. Procedure: patient's informed consent signature for adhesion at the study will be initially requested. With their acceptance, parameters will be recorded anonymously in the Case Report Form, identified by their initials and an alphanumeric code, until hospital discharge. The parameters analyzed will be related to: - preoperative evaluation; about anamnesis, health general conditions, blood oxygen saturation (Sat02), Metabolic Equivalent of Task (METs) - intraoperative evaluation; about oxygenations values, recorded before/during induction and maintenance of general anesthesia - postoperative evaluation; about postoperative complications, pulmonary primarily, and secondary cardiovascular, neurological and surgical, based on the medical record. The data wil be transferred on Excel worksheet, utilized for descriptive analysis related at every variable. By multivariate logistic regression will be evaluated the major factors influencing postoperative pulmonary complications (PPCs) onset in patients undergoing preoxygenation for elective surgery
This study aims to determine the duration for pre-oxygenation using THRIVE and facemask for parturients.
This study aims to evaluate the effectiveness of the High Flow Nasal Cannula (HFNC) for the preoxygenation of obese patients undergoing a general anesthesia. The HFNC interface is compared to a standard anesthesia FaceMask (FM) preoxygenation with Continuous Positive Airway Pressure (CPAP), the current gold standard procedure for obese induction. The interest of HFNC preoxygenation is to increase the "safe apnea time" before critical arterial desaturation, useful in the management of difficult airways, especially in subjects with reduced respiratory reserves such as the obese.
A trial comparing outcomes of two pre-oxygenation techniques in obstetric patients.