Preanesthetic assessment data do not influence the time for tracheal intubation with Airtraq™ video laryngoscope in obese patients

Ranieri, Dante; Zinelli, Fabio; Neubauer, Adecir Geraldo; Schneider, Andre P.; Nascimento, Paulo do

doi:10.1016/j.bjane.2012.07.004

Cited by 6 publications

(10 citation statements)

References 24 publications

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“…[11,24,25] VL improves the glottic view with its video component and blade features, providing a wide-angle view and thereby reducing risk factors for a difficult EI. [9][10][11][12]24] In the current study, higher BMI was not found to be a risk factor for a difficult EI with a VL. It was demonstrated that IID <3.5 cm, SMD <12.5 cm, and TMD <6 cm are predictive values for difficult EI.…”

Section: Mclccontrasting

confidence: 55%

“…Medicine ® OPEN predictors of difficult airways for the VL technique are still uncertain. [11,12] Therefore, in this study, we investigated the correlation between airway assessment tests, anthropometric measurements, and the Modified Cormack-Lehane Classification (MCLC) in class III obese patients, assessed by C-MAC-D-blade VL. Moreover, we aimed to evaluate the predictive accuracy of the preoperative airway assessment tests and anthropometric measurements on the risk of difficult EI.…”

Section: Observational Studymentioning

confidence: 99%

“…[ 10 ] Whereas specific predictors of difficult airways are useful in conventional direct laryngoscopic techniques, predictors of difficult airways for the VL technique are still uncertain. [ 11 , 12 ]…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of the correlation between preoperative airway assessment tests, anthropometric measurements, and endotracheal intubation difficulty in obesity class III patients undergoing bariatric surgery

Emik

Gümüs-Özcan²,

Demirgan³

et al. 2021

Medicine

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In this study, we investigated the correlation between airway assessment tests, anthropometric measurements, and the Modified Cormack– Lehane Classification (MCLC) assessed by videolaryngoscopy in patients undergoing bariatric surgery. This study included 121 morbidly obese patients undergoing bariatric surgery. The body mass index, Modified Mallampati Score (MMS), thyromental distance, sternomental distance, interincisor distance, and neck, waist, and chest circumferences were recorded. The correlation between the airway assessment tests, anthropometric parameters, and the MCLC were analyzed. The time required for endotracheal intubation (EI) and the attempt required for EI were also recorded. Thirty-three patients were found to be at risk of a difficult EI. The MMS, neck circumference, waist circumference, chest circumference, the time required for EI, and the number of attempts for EI were positively correlated with MCLC (all P < .05). As the MMS increased, the risk of a difficult EI increased ( P < .001). The cutoff values of neck, waist, and chest circumference for the risk of a difficult EI were 41.5, 153.5, and 147.5 cm, respectively ( P < .05). This study indicates that the high MMS, as well as increased neck, waist, and chest circumference, should be considered EI difficulty in obese patients, even if a videolaryngoscopy is used.

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Section: Mclccontrasting

confidence: 55%

Section: Observational Studymentioning

confidence: 99%

See 1 more Smart Citation

Evaluation of the correlation between preoperative airway assessment tests, anthropometric measurements, and endotracheal intubation difficulty in obesity class III patients undergoing bariatric surgery

Emik

Gümüs-Özcan²,

Demirgan³

et al. 2021

Medicine

View full text Add to dashboard Cite

show abstract

“…On the contrary, various studies have shown that AVL reduces intubation time for experienced as well as novice intubators. [ 1 7 8 9 10 ] Decamps et al . [ 11 ] also reported high pass success rates with channelled VLs but the study was done in simulation mannikins in contrary to patients.…”

Section: Discussionmentioning

confidence: 99%

“…Postoperative airway symptoms like any oral trauma, dental trauma, or hoarseness in voice were more prominent in patients on whom intubation was done with ML, as reported by Ranieri et al . [ 10 ] also. This difference can be attributed to the less manipulations required during the intubation with AVL as the shape of laryngoscope blade was more aligned to the oro-pharyngeal axis.…”

Section: Discussionmentioning

confidence: 99%

A randomized controlled trial comparing Macintosh laryngoscope and Airtraq video laryngoscope for endotracheal intubation in patients with thyroid swelling

Singh

Srivastava

Malik

et al. 2022

Journal of Family Medicine and Primary Care

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Background: Patients with thyroid swelling are anticipated difficult airway due to the anatomical complications associated with it leading to restricted neck movements and distorted laryngeal anatomy. The aim of this randomized prospective study was to compare Macintosh laryngoscope and Airtraq video laryngoscope for endotracheal intubation in patients with thyroid swelling. Methods: Eighty adult American Society of Anesthesiologist (ASA) grades I-II patients were taken and randomly divided into two groups of 40 patients in each. After induction of general anesthesia, tracheal intubation was done with either of the technique using a flexometallic tube. Time taken for intubation, hemodynamic variations during and after intubation, any optimization maneuver used during intubation, Cormack-Lehane score, Percentage of Glottic Opening (POGO score), Intubation Difficulty Score (IDS), and postoperative airway symptoms were noted. Results: Mean time required for intubation with Airtraq was more than Macintosh; P = 0.003. But Cormack-Lehane score, IDS score, and POGO score were better in the Airtraq group. Hemodynamic variations in both groups were comparable. Optimization maneuver required and postoperative airway symptoms were more in the Macintosh group. Conclusion: In patients with thyroid swelling, Airtraq video laryngoscope provides better visualization of the glottis, requires less manipulation during intubation, and less post-operative complications than Macintosh laryngoscope but requires significantly more time for intubation.

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Videolaryngoscopy versus direct laryngoscopy for adult patients requiring tracheal intubation

Lewis

Butler

Parker

et al. 2016

Cochrane Database of Systematic Reviews

248

250

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Videolaryngoscopes may reduce the number of failed intubations, particularly among patients presenting with a difficult airway. They improve the glottic view and may reduce laryngeal/airway trauma. Currently, no evidence indicates that use of a VLS reduces the number of intubation attempts or the incidence of hypoxia or respiratory complications, and no evidence indicates that use of a VLS affects time required for intubation.

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Preanesthetic assessment data do not influence the time for tracheal intubation with Airtraq™ video laryngoscope in obese patients

Abstract: in obese patients despite increased neck circumference and limited mouth opening, the Airtraq™ laryngoscope affords faster tracheal intubation than the Macintosh laryngoscope, and it may serve as an alternative when conventional laryngoscopy fails.

Cited by 6 publications

References 24 publications

Evaluation of the correlation between preoperative airway assessment tests, anthropometric measurements, and endotracheal intubation difficulty in obesity class III patients undergoing bariatric surgery

Evaluation of the correlation between preoperative airway assessment tests, anthropometric measurements, and endotracheal intubation difficulty in obesity class III patients undergoing bariatric surgery

A randomized controlled trial comparing Macintosh laryngoscope and Airtraq video laryngoscope for endotracheal intubation in patients with thyroid swelling

Videolaryngoscopy versus direct laryngoscopy for adult patients requiring tracheal intubation

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