Ultrasound measurements for evaluation of changes in upper airway during anaesthesia induction and prediction difficult laryngoscopy: a prospective observational study

Wang, Xia; Wang, Yong; Zheng, Zhenwei; Liu, Yurong; Ma, Wuhua

doi:10.1038/s41598-022-21695-2

Cited by 5 publications

(1 citation statement)

References 40 publications

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“…(2022) опубликовали результаты проспективного обсервационного исследования 110 пациентов. Авторы изучали ультразвуковые признаки, характерные для ТЛС: наиболее чувствительным также оказалось расстояние от кожи до надгортанника [75].…”

Section: ультразвуковые методы оценки верхних дыхательных пу тейunclassified

Diagnosis of difficult airways: a review

Zaytsev,

Usikyan,

Dubrovin

et al. 2023

Annals of Critical Care

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INTRODUCTION: Complications arising from maintaining the patency of the upper airways in the practice of an anesthetist remain the most dangerous for the life and health of the patient. The problem of predicting difficult airways has been studied for decades and has not yet been solved. OBJECTIVE: To analyze the problem of the difficult airways diagnosis. MATERIALS AND METHODS: There was search on PubMed (MEDLINE), eLibrary, Google Scholar databases for the period 01.1985–01.2022. Keywords: Difficult airways prediction, difficult airways, difficult intubation, mask ventilation, endoscopy intubation, ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), difficult airways, difficult intubation, difficult laryngoscopy, mask ventilation, ultrasound diagnostics, computed tomography (CT), magnetic resonance imaging (MRI). Inclusion criteria: original, review articles, randomized and non-randomized clinical trials, meta-analyses and systematic reviews devoted to the diagnosis of TDP. Exclusion criteria: clinical cases, comments on articles, abstracts of dissertations. RESULTS: Measurement of various distances, tests for congenital or acquired deformity of the facial skull and malocclusion, tests for the relationship between the structures of the facial skull and the cervical spine, for the most part, have limited diagnostic effectiveness. The instrumental methods allows diagnosing difficult airways with greater confidence. The thickness of the tongue, the distance from the skin to the epiglottis or vocal folds, and the long epiglottis can accurately predict difficulties at various stages of maintaining airways from face mask ventilation to laryngoscopy and tracheal intubation. Ultrasonography should be considered the most optimal method for diagnosing difficult airways. At the same time, less accurate indicators compared to magnetic resonance and x-ray studies should not stop clinicians, as they are compensated by a faster examination. CONCLUSIONS: Instrumental methods for difficult airways diagnosis are more effective than physical ones.

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Section: ультразвуковые методы оценки верхних дыхательных пу тейunclassified

Diagnosis of difficult airways: a review

Zaytsev,

Usikyan,

Dubrovin

et al. 2023

Annals of Critical Care

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Ultrasound-based airway assessment in obese patients as a valuable tool for predicting difficult airway: an observational study

Tasdemir,

Kocaoglu,

Demir

et al. 2024

Brazilian Journal of Anesthesiology (English Edition)

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Feasibility of ultrasound measurement of tracheal diameter in patients undergoing severe scoliosis orthopedic surgery: A randomized trial

Tian,

Yu,

Zhang

et al. 2024

Eur J Inflamm

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Objective To explore the feasibility of ultrasound measurement of the transverse diameter of the cervical trachea at its narrowest point in patients undergoing severe scoliosis orthopedic surgery. Methods A total of 110 patients, aged 18-65, who scheduled for elective orthopedic surgery for severe scoliosis were included. Prior to surgery, all patients underwent two types of tracheal inner diameter measurements: (1) CT measurement of the anteroposterior diameter (Dmin,AP) and transverse diameter (Dmin,T) of the cervical trachea at its narrowest point; and (2) ultrasound measurement of Dmin,T. Based on the measurement results, the patients were randomly divided into two groups, the CT group ( n = 55) and the ultrasound group ( n = 55). We compared the Dmin,AP and Dmin,T measured by CT for all patients. Then, we compared CT and ultrasound measurements of Dmin,T. Furthermore, we conducted an analysis to determine the correlation and consistency between the two methods. Additionally, we examined the success rate of first-attempt tracheal intubation and the occurrence rate of tracheal tube being too wide or too narrow between the two groups, and assessed the occurrence of postoperative 24-h pharyngeal pain and hoarseness. Results When comparing the Dmin,AP and Dmin,T measured by CT in all patients, a statistically significant difference was observed ( p < .001). When comparing the measurements of Dmin,T between CT and ultrasound in all patients, no statistically significant differences were found ( p > .05). The correlation coefficient (r) between CT and ultrasound measurements of Dmin,T was 0.849 ( p < .001). The mean difference in Dmin,T was 0.19 mm, and the limits of agreement (LoA) were −2.24 mm to 2.62 mm. Conclusions Ultrasound measurement of Dmin,T in severe scoliosis patients is feasible and provides valuable guidance for the selection of endotracheal tube sizes. It serves as a non-invasive and bedside auxiliary examination method for perioperative airway assessment.

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Ultrasound measurements for evaluation of changes in upper airway during anaesthesia induction and prediction difficult laryngoscopy: a prospective observational study

Cited by 5 publications

References 40 publications

Diagnosis of difficult airways: a review

Diagnosis of difficult airways: a review

Ultrasound-based airway assessment in obese patients as a valuable tool for predicting difficult airway: an observational study

Feasibility of ultrasound measurement of tracheal diameter in patients undergoing severe scoliosis orthopedic surgery: A randomized trial

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