Criteria for Estimating the Likelihood of Difficulty of Endotracheal Intubation with the Macintosh Laryngoscope

Bellhouse, C. P.; Doré, C.F.

doi:10.1097/00132586-198906000-00013

Cited by 36 publications

(49 citation statements)

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“…, and the tracheas of > 90% of patients with a grade-3 view can be intubated using a gum elastic bougie and Macintosh laryngoscope [13]. However, this may not be the case in less usual scenarios such as the presence of a cervical collar.…”

Section: ]mentioning

confidence: 99%

Comparison of tracheal intubation with the Airway Scope or Clarus Video System in patients with cervical collars

Kim

et al. 2011

Anaesthesia

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SummaryTracheal intubations with the Airway Scope or the Clarus Video System, a new rigid fibrescope, were compared in 140 patients whose necks were immobilised by cervical collars. The time for intubation, success rate, number of attempts and number of optimisation manoeuvres were assessed. Mean (SD) intubation time was longer with the Airway Scope (30.4 (16.5) s) than with the Clarus Video System (18.9 (15.2) s; p = 0.003) and the median (IQR [range]) number of optimisation manoeuvres was also marginally different; 0 (0-1 [0-2]) with the Airway Scope, 0 (0-0 [0-2]) with the Clarus Video System; p = 0.004. The tracheas of 67 (95.7%) and 66 (94.3%) patients were successfully intubated with the Airway Scope and the Clarus Video System, respectively (p = 1.0). The number of attempts, vital signs and complications were not different between devices. The Clarus Video System was comparable to the Airway Scope in the success rate for tracheal intubation, but provided faster and easier intubations than the Airway Scope in patients with cervical collars.

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Section: ]mentioning

confidence: 99%

Comparison of tracheal intubation with the Airway Scope or Clarus Video System in patients with cervical collars

Kim

et al. 2011

Anaesthesia

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“…Class C: the lower incisors cannot be brought 'edge to edge'. craniocervical extension [42]. An absent CI.…”

Section: Discussionmentioning

confidence: 99%

Difficult direct laryngoscopy in patients with cervical spine disease

1995

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summary Two hundred and fifty three patients were examined before surgery for cervical spine disease. The grade of glottic visibility was determined at direct laryngoscopy, using the classijication proposed by Cormack and Lehane. The overall prevalence of dificulty (grades 3 and 4) was 20%. Patients with disease that includes the occipito-atlanto-axial complex have a higher prevalence of dificulty than those with disease below the axis vertebra. Occipito-atlanto-axial disease is associated with poor mandibular protrusion. The best single predictor of difficulty was reduced separation of the posterior elements of thejrst and second cervical vertebrae on lateral radiographs. The Mallampati examination was the best single predictor on physical examination. The Mallampati may be an indicator ofpoor cranio-cervical extension. Dificulty was rare inpatients with class A mandibular protrusion, and invariable in patients with class C protrusion.

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“…Limitation of atlanto-occipital extension of more than one third, from a norm of 35°, is associated with difficult laryngoscopy [16].…”

Section: Atlanto-occipital Extensionmentioning

confidence: 99%

Fiberoptic airway management

Stackhouse

2002

Anesthesiology Clinics of North America

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Criteria for Estimating the Likelihood of Difficulty of Endotracheal Intubation with the Macintosh Laryngoscope

Cited by 36 publications

References 0 publications

Comparison of tracheal intubation with the Airway Scope or Clarus Video System in patients with cervical collars

Comparison of tracheal intubation with the Airway Scope or Clarus Video System in patients with cervical collars

Difficult direct laryngoscopy in patients with cervical spine disease

Fiberoptic airway management

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