====== Difficult intubation ======

see [[Intubation Difficulty Score]].

GlideScope-assisted [[nasotracheal intubation]] (NTI) has been proposed as an alternative to difficult [[orotracheal intubation]] for critical patients or those under cervical immobilization.
A study demonstrated that GlideScope achieved NTI in patients with or without cervical immobilization equivalently with respect to intubation time and ease
((Kuo YM, Lai HY, Tan EC, Li YS, Chiang TY, Huang SS, Huang WC, Chu YC.
Cervical spine immobilization does not interfere with nasotracheal intubation
performed using GlideScope videolaryngoscopy: a randomized equivalence trial.
Sci Rep. 2022 Mar 8;12(1):4041. doi: 10.1038/s41598-022-08035-0. PMID: 35260735;
PMCID: PMC8904815.)).

----

[[C-MAC]] D-blade and [[King Vision]] could be relatively successful than Macintosh [[laryngoscope]] and other [[videolaryngoscope]]s for tracheal [[intubation]] under [[general anesthesia]]. The comparisons of intubation success between [[videolaryngoscope]]s  and Macintosh laryngoscope  showed moderate certainty of [[evidence level]], whereas the intercomparisons of [[videolaryngoscope]]s showed low certainty [[evidence]].
((Lee J, Cho Y, Kim W, Choi KS, Jang BH, Shin H, Ahn C, Kim JG, Na MK, Lim TH,
Kim DW. Comparisons of [[Videolaryngoscope]]s for [[Intubation]] Undergoing [[General
Anesthesia]]: [[Systematic Review]] and Network [[Meta-Analysis]] of [[Randomized Controlled
Trial]]s. J Pers Med. 2022 Feb 26;12(3):363. doi: 10.3390/jpm12030363. PMID:
35330362; PMCID: PMC8954588.)).
----
The results indicate that a curved prototype and large monitor visualization may provide a cost-effective minimally invasive alternative for difficult laryngeal exposure. Its special advantages include avoiding the need for a straight line of sight and a simple and cost-effective construction. The system could be further improved through advances in camera chip technology and smaller instruments
((Schild LR, Böhm F, Boos M, Kahrs LA, Coburger J, Greve J, Dürselen L, Hoffmann TK, Schuler PJ. Adding Flexible Instrumentation to a Curved Videolaryngoscope: A Novel Tool for Laryngeal Surgery. Laryngoscope. 2021 Feb;131(2):E561-E568. doi: 10.1002/lary.28868. Epub 2020 Jun 25. PMID: 32585046.)).
----




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