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2013, Number 3

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Rev Mex Anest 2013; 36 (3)

Predictive indices of airway in obese patients

Ramírez-Acosta JA, Torrico-Lara GG, Encinas-Pórcel CM

Language: Spanish
References: 38
Page: 193-201
PDF size: 217.89 Kb.


ABSTRACT

The trachea of obese patients may be more difficult to intubate than patients with normal weight. The incidence of difficult intubation in obese (BMI ›30 kg/m2) is increased up to three times compared to non-obese patients. However, obesity alone does not predict difficult intubation so it is considered an independent risk factor for difficult intubation. Currently available screening tests for difficult intubation have only poor to moderate discriminative power when used alone. Combining predictive tests or maneuvers could be more efficient in the early determining of difficult airways. Including body mass index in multifactorial risk indexes can improve the prediction of difficult intubation. The plethora of metrics predicting difficult intubation like Mallampati, Cormack and Lehane, body mass index, etc., are not specific in predicting difficult tracheal intubation. Previously, the paradigm for safe intubation has been based on: 1) adequate preoperative assessment of a patient’s airway, 2) adequate intubation skills, and 3) adequate intubation tools.


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