Diagnostic value of different screening tests for predicting difficult intubation

Rajani, Bharti; Saraswala, Mitali B; Gupta, Shobhana C

doi:10.26611/10159313

Cited by 2 publications

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“…But during multivariate binary logistic regression analysis to determine the independent risk factors, both NC (p = 0.004) and NC/TMD (p = 0.007) were found statistically significant in differentiating between easy and difficult laryngoscopy groups. The above finding was corroborated by many studies [ 19 - 21 ], and NC/TMD was concluded to be a compelling predictor in their conclusions. Another clinical predictor, ratio of height to thyro mental distance (RHTMD) (cut off -22.67), was also found statistically non-significant (p = 0.253) in contrast to the studies like Schmitt et al [ 22 ] (cut-off of RHTMD > 25) and Krobbuaban et al [ 23 ] (cut-off of RHTMD > 23.5) where it was concluded to be a good predictor for difficult laryngoscopy.…”

Section: Discussionsupporting

confidence: 65%

Effectiveness and Validity of Preoperative Ultrasonographic Airway Assessment and Clinical Screening Tests to Predict Difficult Laryngoscopy: A Prospective, Observational Study

Harjai¹,

Alam²,

Rastogi³

et al. 2023

Cureus

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Background: The anticipation of a challenging airway can be demanding in emergency care settings. Due to the patient’s clinical condition, executing the pre-intubation clinical screening tests during the management of the airway in an emergency situation can be sometimes troublesome. Ultrasonographic airway assessment may become a helpful tool, but no specific sonographic measurements can precisely visualize the prospect of meeting a difficult airway. Therefore, the present study aimed to verdict some correlation between preoperative sonographic airway assessment parameters and the Cormack-Lehane (CL) grading at laryngoscopic view in patients undergoing general anesthesia with endotracheal intubation. Methods: This observational study was conducted on 150 elective surgery subjects undergoing general anesthesia. The clinician in the pre-anesthetic clinic performed clinical airway and ultrasonographic airway assessments to predict difficult intubation and correlated with the CL grade viewed at laryngoscopy in the operative room during intubation. The parameters assessed were sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV). Results: In this study, the incidence of difficult intubation was 13.3%. The Mallampatti Grading (MPG) showed the maximum receiver operating characteristic (ROC) and area under the curve (AUC) among the clinical predictors, with 86.7% sensitivity. At the same time, the skin-to-hyoid distance has the maximum ROC among the sonographic parameters, and the skin-to-thyroid isthmus has the utmost sensitivity to predict difficult laryngoscopy. Conclusions: Among the clinical predictors, MPG and the sonographic parameters, like the skin-to-hyoid distance and skin-to-thyroid isthmus, are favorable predictors of difficult laryngoscopy.

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Section: Discussionsupporting

confidence: 65%

Effectiveness and Validity of Preoperative Ultrasonographic Airway Assessment and Clinical Screening Tests to Predict Difficult Laryngoscopy: A Prospective, Observational Study

Harjai¹,

Alam²,

Rastogi³

et al. 2023

Cureus

View full text Add to dashboard Cite

show abstract

“…But on using binary multivariate logistic regression analysis (Table 4 ) to determine the independent risk factors for difficult laryngoscopy, we get NC/TMD as a statistically significant (p=0.007) factor. Sangeeta D et al [ 23 ], Yadav et al [ 24 ] and Rajani et al [ 25 ] also found NC/TMD as a significant predictor in their study.…”

Section: Discussionmentioning

confidence: 66%

Clinical Relevance of Mallampati Grading in Predicting Difficult Intubation in the Era of Various New Clinical Predictors

Harjai

Alam

Bhaskar

2021

Cureus

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Background and aimsManagement of difficult airway can be associated with serious morbidity and mortality and it is a basic and serious concern for anesthesiologists. The preoperative airway assessment is done by using conventional clinical predictors. The present study was conducted to find the correlation of various new clinical predictors with the Cormack-Lehane (CL) grade at the laryngoscopic view in patients undergoing general anesthesia with endotracheal intubation.

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Diagnostic value of different screening tests for predicting difficult intubation

Cited by 2 publications

References 0 publications

Effectiveness and Validity of Preoperative Ultrasonographic Airway Assessment and Clinical Screening Tests to Predict Difficult Laryngoscopy: A Prospective, Observational Study

Effectiveness and Validity of Preoperative Ultrasonographic Airway Assessment and Clinical Screening Tests to Predict Difficult Laryngoscopy: A Prospective, Observational Study

Clinical Relevance of Mallampati Grading in Predicting Difficult Intubation in the Era of Various New Clinical Predictors

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