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Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation

BACKGROUND: Difficult Intubation (DI) is a constant concern for anesthesiologists and being able to predict it will improve patient safety. Different tests have been presented in anesthesiology practice to increase the accuracy of the DI prediction. Since there is no single sensitive and specific te...

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Autores principales: Nashibi, Masoud, Husain Khan, Zahid, Mottaghi, Kamran
Formato: Online Artículo Texto
Lenguaje:English
Publicado: National Research Institute of Tuberculosis and Lung Disease 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10073948/
https://www.ncbi.nlm.nih.gov/pubmed/37025314
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author Nashibi, Masoud
Husain Khan, Zahid
Mottaghi, Kamran
author_facet Nashibi, Masoud
Husain Khan, Zahid
Mottaghi, Kamran
author_sort Nashibi, Masoud
collection PubMed
description BACKGROUND: Difficult Intubation (DI) is a constant concern for anesthesiologists and being able to predict it will improve patient safety. Different tests have been presented in anesthesiology practice to increase the accuracy of the DI prediction. Since there is no single sensitive and specific test, most of the practitioners use a combination of them. Here we report a new and novel index of ratio of height to rhinion-mentum distance (RHRMD) to improve the prediction. MATERIALS AND METHODS: Four hundred adult patients’ candidate for elective surgery were enrolled into the study. Initially, patients’ data such as weight, height and rhinion-mentum distance (RMD) were recorded by the first anesthesiologist. After anesthesia induction, the second anesthesiologist performed laryngoscopy and recorded the Cormack-Lehane (CL) score. CL score III or higher was considered as DI. Finally, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for RHRMD was calculated. RESULTS: DI was reported in 7.75% of patients. RHRMD is related with CL grade: as the former increased, the latter decreased. RHRMD with cut-off point 25.4 has 90.6% sensitivity, 29.9% specificity, 10.1% PPV and 97.3% NPV in predicting DI. CONCLUSION: RHRMD with 90.6% sensitivity and 97.3% NPV could be a valuable tool for prediction of DI.
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spelling pubmed-100739482023-04-05 Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation Nashibi, Masoud Husain Khan, Zahid Mottaghi, Kamran Tanaffos Original Article BACKGROUND: Difficult Intubation (DI) is a constant concern for anesthesiologists and being able to predict it will improve patient safety. Different tests have been presented in anesthesiology practice to increase the accuracy of the DI prediction. Since there is no single sensitive and specific test, most of the practitioners use a combination of them. Here we report a new and novel index of ratio of height to rhinion-mentum distance (RHRMD) to improve the prediction. MATERIALS AND METHODS: Four hundred adult patients’ candidate for elective surgery were enrolled into the study. Initially, patients’ data such as weight, height and rhinion-mentum distance (RMD) were recorded by the first anesthesiologist. After anesthesia induction, the second anesthesiologist performed laryngoscopy and recorded the Cormack-Lehane (CL) score. CL score III or higher was considered as DI. Finally, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for RHRMD was calculated. RESULTS: DI was reported in 7.75% of patients. RHRMD is related with CL grade: as the former increased, the latter decreased. RHRMD with cut-off point 25.4 has 90.6% sensitivity, 29.9% specificity, 10.1% PPV and 97.3% NPV in predicting DI. CONCLUSION: RHRMD with 90.6% sensitivity and 97.3% NPV could be a valuable tool for prediction of DI. National Research Institute of Tuberculosis and Lung Disease 2022-03 /pmc/articles/PMC10073948/ /pubmed/37025314 Text en Copyright© 2022 National Research Institute of Tuberculosis and Lung Disease https://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/)
spellingShingle Original Article
Nashibi, Masoud
Husain Khan, Zahid
Mottaghi, Kamran
Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title_full Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title_fullStr Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title_full_unstemmed Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title_short Assessment of Ratio of Height to Rhinion-Mentum Distance as a Predictive Tool for Difficult Tracheal Intubation
title_sort assessment of ratio of height to rhinion-mentum distance as a predictive tool for difficult tracheal intubation
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10073948/
https://www.ncbi.nlm.nih.gov/pubmed/37025314
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