Ultrasound Evaluation of Anterior Neck Soft-Tissue Thickness to Predict Difficult Intubation in Overweight Adult Patients Posted for Surgery under General Endotracheal Anesthesia - An Observational Study

被引:0
作者
Archana, K. N. [1 ]
Ajnas, A. P. [1 ]
Kumararadhya, Girish Bandigowdanahalli [1 ]
机构
[1] JSS Acad Higher Educ & Res, JSS Med Coll & Hosp, Dept Anaesthesiol & Crit Care, Mysore, Karnataka, India
关键词
Anterior neck soft tissue thickness; difficult airway; ultrasound; & Eacute; paisseur des tissus mous ant & eacute; rieurs du cou; voies respiratoires difficiles; & eacute; chographie; LARYNGOSCOPY; QUANTIFICATION;
D O I
10.4103/aam.aam_33_23
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background:Ultrasonographic imaging has been recently become simple portable and non-invasive adjuvant for bedside assessment of anterior neck soft tissue thickness which when measured at different levels showed to have significant role in predicting difficult laryngoscopy.Aims and Objectives:Primary objective was Ultrasonographic measurement of anterior neck soft tissue thickness at 3 levels -Distance from skin to hyoid bone (DSHB) -Distance from skin to thyrohyoid membrane (DSTM) -Distance from skin to anterior commissure of vocal cord(DSAC) and to compare and correlate the findings with Cooks modification of Cormack-Lehane score in predicting difficult laryngoscopy. Secondary objective was to compare and correlate the ultrasonographic measurements with conventional airway assessment methods.Materials and Methods:After obtaining approval from the ethical committee, 90 Patients with BMI above 25 kg /m2 was enrolled for the study. A day before the surgery a thorough Preanaesthetic evaluation and assessment of the airway is done using conventional methods. Then on the day of surgery ultrasonographic measurement of anterior neck at 3 levels was done and after inducing the patients laryngoscopy was done and Cooks modification of Cormack-Lehane score assessed.Results:The optimal cut off values to predict difficult laryngoscopy was 1.26, 2 and 1.2 cms for DSHB, DSTM and DSAC respectively, and among the three skin to anterior commissure of vocal cord was observed to be best USG parameter with more area under the ROC curve.Conclusion:USG measurement of anterior neck soft tissue thickness can be useful in predicting difficult laryngoscopy in overweight and obese patients also it had more diagnostic accuracy than conventional methods like MMS in predicting difficult laryngoscopy. Arri & egrave;re-plan L'imagerie & eacute;chographique est r & eacute;cemment devenue un simple adjuvant portable et non invasif pour l'& eacute;valuation au lit du patient de l'& eacute;paisseur des tissus mous du cou ant & eacute;rieur qui, lorsqu'elle est mesur & eacute;e & agrave; diff & eacute;rents niveaux, s'est av & eacute;r & eacute;e avoir un r & ocirc;le important dans la pr & eacute;diction d'une laryngoscopie difficile. Buts et objectifs L'objectif principal & eacute;tait la mesure & eacute;chographique de l'& eacute;paisseur des tissus mous du cou ant & eacute;rieur & agrave; 3 niveaux -Distance de la peau & agrave; l'os hyo & iuml;de (DSHB) -Distance de la peau & agrave; la membrane thyrohyo & iuml;dienne (DSTM) -Distance de la peau & agrave; la commissure ant & eacute;rieure de la corde vocale (DSAC) et pour comparer et corr & eacute;ler les r & eacute;sultats avec la modification de Cooks du score de Cormack-Lehane pour pr & eacute;dire une laryngoscopie difficile. L'objectif secondaire & eacute;tait de comparer et de corr & eacute;ler les mesures & eacute;chographiques avec les m & eacute;thodes conventionnelles d'& eacute;valuation des voies respiratoires Mat & eacute;riels et m & eacute;thodes Apr & egrave;s avoir obtenu l'approbation du comit & eacute; d'& eacute;thique, 90 patients pr & eacute;sentant un IMC sup & eacute;rieur & agrave; 25 kg/m2 ont & eacute;t & eacute; inclus dans l'& eacute;tude. Un jour avant la chirurgie, une & eacute;valuation pr & eacute;anesth & eacute;sique approfondie et une & eacute;valuation des voies respiratoires sont effectu & eacute;es & agrave; l'aide de m & eacute;thodes conventionnelles. Ensuite, le jour de la chirurgie, une mesure & eacute;chographique de la partie ant & eacute;rieure du cou & agrave; 3 niveaux a & eacute;t & eacute; effectu & eacute;e et apr & egrave;s l'induction des patients, une laryngoscopie a & eacute;t & eacute; effectu & eacute;e et la modification de Cooks du score de Cormack-Lehane a & eacute;t & eacute; & eacute;valu & eacute;e. R & eacute;sultats Les valeurs seuil optimales pour pr & eacute;dire une laryngoscopie difficile & eacute;taient respectivement de 1,26, 2 et 1,2 cm pour DSHB, DSTM et DSAC, et parmi les trois param & egrave;tres de la peau & agrave; la commissure ant & eacute;rieure de la corde vocale, il a & eacute;t & eacute; observ & eacute; que le meilleur param & egrave;tre USG avec plus de surface sous la courbe ROC Conclusion La mesure par USG de l'& eacute;paisseur des tissus mous du cou ant & eacute;rieur peut & ecirc;tre utile pour pr & eacute;dire une laryngoscopie difficile chez les patients en surpoids et ob & egrave;ses. Elle a & eacute;galement une plus grande pr & eacute;cision diagnostique que les m & eacute;thodes conventionnelles comme le MMS pour pr & eacute;dire une laryngoscopie difficile.
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页码:182 / 188
页数:7
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