Airway Complications in Intubated Versus Laryngeal Mask Airway–Managed Dentistry: A Meta-Analysis

Author:

Prince Jordan1,Goertzen Cameron1,Zanjir Maryam1,Wong Michelle12,Azarpazhooh Amir134

Affiliation:

1. Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada

2. Department of Dental Maxillofacial Sciences, Sunnybrook Sciences Health Centre, University of Toronto, Toronto, Ontario, Canada

3. Clinical Epidemiology & Health Care Research, Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada

4. Department of Dentistry, Mount Sinai Hospital, Toronto, Ontario, Canada

Abstract

Objective: Serious airway complications can occur with inadequate airway management during general anesthesia (GA). This meta-analysis investigated randomized controlled trials that compared perioperative technique failures and airway complications, including hypoxia, during GA for dentistry using endotracheal intubation or a laryngeal mask airway (LMA) for airway management. Methods: A systematic search of electronic databases and gray literature was completed. Independent reviewers assessed eligibility, performed data extraction, completed risk of bias assessment, and judged the quality of results through Grading of Recommendations, Assessment, Development, and Evaluation. Risk ratios (RRs) for airway complications, with 95% CIs, were calculated. Heterogeneity was quantified using the I2 statistic. Sensitivity and age-subgroup analyses were explored. Results: Six trials were deemed eligible from a total of 9076 identified reports. The airway management intervention for these trials was LMA. Technique failures or effect differences in airway complications were not detected except for postoperative hypoxia, where LMA use had a decreased risk (RR, 0.22; 95% CI, 0.06-0.77; I2 = 0%; moderate quality). A similar effect was seen in the pediatric analysis (RR, 0.10; 95% CI, 0.01-0.84; I2 = 0%; moderate quality). Additionally, LMA use reduced pediatric sore throat risk (RR, 0.08; 95% CI, 0.04-0.15; I2 = 0%; moderate quality). Conclusion: Use of an LMA in dentistry may have the potential to reduce the risk of postoperative hypoxia, particularly in pediatric patients, although further study is required.

Publisher

American Dental Society of Anesthesiology (ADSA)

Subject

Anesthesiology and Pain Medicine

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