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Postoperative discomfort and emergence delirium in children undergoing dental rehabilitation under general anesthesia: comparison of nasal tracheal intubation and laryngeal mask airway.

ABSTRACT: Background:Several studies have identified side effects of general anesthesia with endotracheal intubation, such as laryngeal pain, dysphonia, and postoperative nausea and vomiting (PONV). The laryngeal mask airway (LMAw) is believed to decrease these side effects. The aim of this trial was to compare postoperative discomfort, emergence delirium, and recovery time of patients who received either an LMAw or nasotracheal intubation (NTI). Patients and methods:A total of 70 children were randomly assigned to the LMAw group (n=35) or the NTI group (n=35). Both groups underwent mask induction with 8% sevoflurane. The NTI group received muscle relaxant, whereas the LMAw group did not. Postoperative laryngeal pain, dental pain, dysphonia, and PONV were assessed immediately and at 1 hour and 6 hours postoperatively. The Wong-Baker Faces Scale was used to evaluate the patients' self-reported pain. In addition, decayed, missing, and filled teeth (dft/DMFT) values, dental procedure type, number of dental procedures, duration of the dental operation, duration of anesthesia, recovery time, emergence delirium, pediatric dentist's access to the mouth, and parents' satisfaction levels were recorded. Data were analyzed using descriptive statistics, chi-square tests, and two-sample t-tests. Results:The incidence of postoperative laryngeal pain was significantly higher in the NTI group immediately (97.2% vs. 8.5%, P=0.00), 1 hour (94.2% vs. 0%, P=0.00), and 6 hours postoperatively (25.7% vs. 0%, P=0.00). There were no statistically significant differences between the two groups in dental pain scores, dft/DMFT values, duration of anesthesia, duration of the dental operation, number of dental procedures, the incidence of PONV, or pediatric dentist's access to the mouth (P>0.05). Emergence delirium and recovery time were significantly higher in the NTI group (P<0.05). Conclusion:The LMAw provided a more comfortable postoperative period than NTI for children who underwent full-mouth dental rehabilitation under general anesthesia.

SUBMITTER: Keles S

PROVIDER: S-EPMC5757964 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Postoperative discomfort and emergence delirium in children undergoing dental rehabilitation under general anesthesia: comparison of nasal tracheal intubation and laryngeal mask airway.

Keles Sultan S Kocaturk Ozlem O

Journal of pain research 20180104

<h4>Background</h4>Several studies have identified side effects of general anesthesia with endotracheal intubation, such as laryngeal pain, dysphonia, and postoperative nausea and vomiting (PONV). The laryngeal mask airway (LMAw) is believed to decrease these side effects. The aim of this trial was to compare postoperative discomfort, emergence delirium, and recovery time of patients who received either an LMAw or nasotracheal intubation (NTI).<h4>Patients and methods</h4>A total of 70 children ...[more]

PMID: 29379311

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Project description:BACKGROUND:Hypoxemia is the most common complication during tracheal intubation of critically ill adults and may increase the risk of cardiac arrest and death. Whether positive-pressure ventilation with a bag-mask device (bag-mask ventilation) during tracheal intubation of critically ill adults prevents hypoxemia without increasing the risk of aspiration remains controversial. METHODS:In a multicenter, randomized trial conducted in seven intensive care units in the United States, we randomly assigned adults undergoing tracheal intubation to receive either ventilation with a bag-mask device or no ventilation between induction and laryngoscopy. The primary outcome was the lowest oxygen saturation observed during the interval between induction and 2 minutes after tracheal intubation. The secondary outcome was the incidence of severe hypoxemia, defined as an oxygen saturation of less than 80%. RESULTS:Among the 401 patients enrolled, the median lowest oxygen saturation was 96% (interquartile range, 87 to 99) in the bag-mask ventilation group and 93% (interquartile range, 81 to 99) in the no-ventilation group (P?=?0.01). A total of 21 patients (10.9%) in the bag-mask ventilation group had severe hypoxemia, as compared with 45 patients (22.8%) in the no-ventilation group (relative risk, 0.48; 95% confidence interval [CI], 0.30 to 0.77). Operator-reported aspiration occurred during 2.5% of intubations in the bag-mask ventilation group and during 4.0% in the no-ventilation group (P?=?0.41). The incidence of new opacity on chest radiography in the 48 hours after tracheal intubation was 16.4% and 14.8%, respectively (P?=?0.73). CONCLUSIONS:Among critically ill adults undergoing tracheal intubation, patients receiving bag-mask ventilation had higher oxygen saturations and a lower incidence of severe hypoxemia than those receiving no ventilation. (Funded by Vanderbilt Institute for Clinical and Translational Research and others; PreVent ClinicalTrials.gov number, NCT03026322.).

Project description:BACKGROUND:The obstetric airway is a significant cause of maternal morbidity and mortality. Endotracheal intubation is considered the standard of care but the laryngeal mask airway (LMA) has gained acceptance as a rescue airway and has been incorporated into the obstetric airway management guidelines. In this randomized controlled equivalence trial, we compared the Supreme LMA (SLMA) with endotracheal intubation (ETT) in managing the obstetric airway during cesarean section. METHODS:Parturients who underwent elective cesarean section under general anesthesia were randomized to receive either an SLMA or ETT as their airway device. Our primary outcome was first-attempt insertion success. Successful insertion was defined as adequate bilateral air entry with auscultation and the presence of end-tidal carbon dioxide on the capnogram. The first-attempt insertion success rate was compared using the Chi-Square test. Secondary outcomes included time-to-ventilation, seal pressure, ventilation/hemodynamic parameters, occurrence of clinical aspiration, fetal outcomes, and maternal side effects associated with the airway device. RESULTS:We recruited 920 parturients (460 SLMA, 460 ETT) who underwent elective cesarean section under general anesthesia. Patient characteristics were similar between the groups. First attempt success was similar (Odds Ratio--ORSLMA/ETT: 1.00 (95%CI: 0.25, 4.02), p?=?1.0000). SLMA was associated with reduced time to effective ventilation (Mean Difference--MD -22.96; 95%CI: -?23.71, -?22.21?s) compared to ETT group (p?<? 0.0001). Ventilation parameters, maternal and fetal outcomes were similar between the groups, and there was no aspiration. CONCLUSIONS:SLMA could be an alternative airway management technique for a carefully selected low-risk obstetric population, with similar insertion success rates, reduced time to ventilation and less hemodynamic changes compared with ETT. Our findings are consistent with the airway guidelines in recommending the second-line use of LMA in the management of the obstetric airway. TRIAL REGISTRATION:The study was registered at http://www.clinicaltrials.gov , identifier: NCT01858467 , retrospectively registered. Date of registration: May 21, 2013.

Project description:BACKGROUND:The intubating laryngeal mask Fastrach™ is considered a gold standard for blind intubation as well as for fibreoptic guided intubation via a laryngeal mask. Recently, a single use version of the mask has been introduced. We compared the Fastrach single use with the new, low-priced single use intubating laryngeal mask Ambu Aura-i™. We hypothesised that the LMA Ambu Aura-i and the LMA Fastrach are comparable with respect to success rates for mask placement and blind tracheal intubation through the LMA device. METHODS:A prospective, randomised clinical trial. University Hospital Schleswig-Holstein, Campus Kiel, from April 2011 to April 2012. Eighty patients undergoing general anaesthesia with planned tracheal intubation were randomised and enrolled in the study. Blind intubation was performed with either laryngeal mask using two different tracheal tubes (Rüsch Super Safety Silk™ and LMA ETT™). A crossover-design was performed after an unsuccessful procedure. Primary outcome measure was the overall success rate of blind intubation. Secondary outcome measures were the time to the first adequate ventilation, a subjective handling score, and a fibreoptic control of placement, as well as the success rate of mask placement, time for mask removal after successful intubation, differences in airway leak pressure, and the incidence of postoperative sore throat and hoarseness. RESULTS:The success rate of tracheal intubation with the Fastrach for the first and second attempt was significantly better compared with the Ambu Aura-i. Tracheal intubation was also significantly faster (14.1 s. ±4.4 versus 21.3 s. ±9.0; p < 0.01), and the time interval for mask removal after successful intubation was significantly shorter using the Fastrach device (24.0 s. ±8.2 versus 29.4 s. ±7.5; p < 0.001). There were no significant differences between groups regarding the incidence of postoperative sore throat and hoarseness. CONCLUSION:Both laryngeal mask devices are suitable for ventilation and oxygenation. Blind intubation remains the domain of the LMA Fastrach, the Ambu Aura-i is not suitable for blind intubation. TRIAL REGISTRATION:Clinicaltrials.gov Identification Number NCT03109678 , retrospectively registered on April 12, 2017.

Project description:The Guardian Laryngeal Mask Airway (G-LMA) is a new silicone-based single-use extraglottic device with the drainage port and a cuff pilot valve with pressure indicator. The aim of this study is to compare the clinical performance of this laryngeal mask airway with ProSeal laryngeal mask airway (P-LMA).In this prospective randomized study, we included adult patients with ASA grading I and II scheduled for elective surgery requiring supine position under total intravenous anesthesia. The patients were randomly allocated to two groups, 40 in each. G-LMA and P-LMA were used in groups G and P respectively. The cuff of each device was air inflated to 60 cmH2O. The primary outcome was to compare the airway sealing pressure and the secondary outcome was to compare the efficacy and safety of these two devices with respect to insertion success, insertion time, ease of insertion, volume of air for cuff inflation to 60 cmH2O, intracuff pressure measurement, gastric tube insertion attempt, gastric tube insertion time, Fiberoptic laryngeal view, and postoperative pharyngolaryngeal morbidity.The airway sealing pressure at 60 cmH2O cuff pressure was significantly greater in G-LMA than P-LMA (p?=?0.04).The first successful attempt of both groups were comparable (p?=?1.000). Insertion time was significantly shorter in G-LMA than P-LMA (p?<?0.0001). The first successful attempt for the gastric tube insertion in both groups was comparable (p?=?0.431). Gastric tube insertion time was less in G-LMA than in P-LMA (p?<?0.0001). The volume of air for cuff inflation to 60 cmH2O was more in G-LMA than in P-LMA (<0.0001). The intracuff pressure measurement at 30, 60, 90 and 120 minutes were comparable (p?=?0.823, 0.182, 0.870, 0.658).We did not find differences in ease of insertion (p?=?0.60); Fiber-optic positions of airway devices were comparable (p?=?0.83). In addition, blood staining (p?=?1.00), sore throat and dysphagia at 1, 2 and 24 hour (p?=?1.00) were comparable in both groups.The Guardian laryngeal mask airway was associated with high airway sealing pressure with a quicker insertion of the device as well as gastric tube.Clinical Trial.gov Identifier: NCT02063516. Date: June 2013.

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Postoperative discomfort and emergence delirium in children undergoing dental rehabilitation under general anesthesia: comparison of nasal tracheal intubation and laryngeal mask airway.

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Postoperative discomfort and emergence delirium in children undergoing dental rehabilitation under general anesthesia: comparison of nasal tracheal intubation and laryngeal mask airway.

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