Difficult Mask Ventilation in Obese Patients: New Predictive Tests?
Journal Title: HASEKİ TIP BÜLTENİ - Year 2019, Vol 57, Issue 1
Abstract
Aim: The aim of our study was to evaluate specific factors in predicting difficult mask ventilation (DMV) in obese patients undergoing elective surgery. Methods: This prospective and observational study was performed in 90 obese patients. We assessed age, height, weight, sex, body mass index (BMI), dental structure, presence of facial hair, modified Mallampati test result, mouth opening, thyromental distance (TMD), sternomental distance, mandibular protrusion, mandibular length, neck circumference (NC), neck length, upper lip bite test result, height to TMD ratio, NC to TMD ratio (NC/TMD), and history of snoring and Obstructive Sleep Apnea syndrome for estimation of DMV. Results: The mean age of the patients was 40.9±9.4 years and the mean BMI was 44.7±6.2 kg/m2. Of all patients 38.9% were determined to have DMV. Clinical variables associated with DMV were male gender, mandibular length, snoring, NC, and NC/TMD. Multiple logistic regression analysis showed that male gender (p=0.047) and snoring (p=0.02) were independent factors. Conclusion: We believe that NC/TMD and ML are predictive tests for DMV in obese patients. Tests and measurements at the bedside are not sufficient alone and we believe that they will be more reliable when considered together.
Authors and Affiliations
Bengü Gülhan Aydın, Gamze Küçükosman, Özcan Pişkin, Rahşan Dilek Okyay, Hilal Ayoğlu
Keywords
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