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000310008 1001_ $$00000-0002-0559-8684$$aUzun, Davut Deniz$$b0
000310008 245__ $$aPredicting Difficult Tracheal Intubation in Head and Neck Cancer Patients with Osteoradionecrosis: Development of the ORN-Difficult-Airway-Score.
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000310008 520__ $$aOsteoradionecrosis (ORN) following head and neck radiotherapy has been demonstrated to induce structural and functional alterations of the upper airway, with the potential to complicate the process of tracheal intubation. Despite its clinical relevance, there is a paucity of systematic evidence on airway characteristics in ORN and reliable predictors of difficult tracheal intubation. This study compares preoperative airway parameters and tracheal intubation outcomes in irradiated patients with and without ORN and introduces a novel preoperative ORN-Difficult-Airway Score for risk stratification.In this retrospective cohort study, airway assessments, tracheal intubation methods, and perioperative visualization parameters were evaluated in 105 patients following head and neck radiotherapy. Group differences between non-ORN and ORN were analyzed using chi-square tests. A preoperative ORN-Difficult-Airway Score was constructed using exclusively bedside parameters, based on statistically and clinically relevant predictors.Patients with ORN showed significantly restricted mouth opening (p < 0.001), higher Mallampati classes, particularly Mallampati IV, and a greater need for fiberoptic tracheal intubation (p < 0.01). Direct laryngoscopy (DL) was significantly less feasible in ORN, while hyperangulated videolaryngoscopy (VL) yielded consistently positive visualization (first-pass success (FPS) 100% in both groups). Under DL, FPS was lower in ORN (54.2% vs. 79.5%), resulting in an odds ratio of 0.305. Based on observed predictors, ORN status, mouth opening <3 cm, Mallampati class, restricted neck reclination, and history of difficult intubation, a preoperative ORN-Difficult-Airway Score was developed.ORN has been associated with distinct alterations in airway anatomy and visualization, resulting in increased tracheal intubation complexity after head and neck radiotherapy. The proposed ORN-Difficult-Airway Score presents a clinically practical, bedside-applicable approach to stratifying the risk of tracheal intubation in this population. Prior to clinical implementation, prospective validation in larger cohorts is warranted.
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000310008 650_7 $$2Other$$aairway assessment
000310008 650_7 $$2Other$$adifficult airway
000310008 650_7 $$2Other$$afiberoptic intubation
000310008 650_7 $$2Other$$ahead and neck cancer
000310008 650_7 $$2Other$$aosteoradionecrosis
000310008 650_7 $$2Other$$aprediction score
000310008 650_7 $$2Other$$aradiotherapy
000310008 650_7 $$2Other$$avideolaryngoscopy
000310008 650_2 $$2MeSH$$aHumans
000310008 650_2 $$2MeSH$$aIntubation, Intratracheal: methods
000310008 650_2 $$2MeSH$$aHead and Neck Neoplasms: radiotherapy
000310008 650_2 $$2MeSH$$aHead and Neck Neoplasms: complications
000310008 650_2 $$2MeSH$$aOsteoradionecrosis: complications
000310008 650_2 $$2MeSH$$aOsteoradionecrosis: etiology
000310008 650_2 $$2MeSH$$aMale
000310008 650_2 $$2MeSH$$aFemale
000310008 650_2 $$2MeSH$$aMiddle Aged
000310008 650_2 $$2MeSH$$aRetrospective Studies
000310008 650_2 $$2MeSH$$aAged
000310008 650_2 $$2MeSH$$aLaryngoscopy: methods
000310008 650_2 $$2MeSH$$aAdult
000310008 7001_ $$00000-0003-2621-961X$$aGruebl, Tobias$$b1
000310008 7001_ $$aBleymehl, Moritz$$b2
000310008 7001_ $$aRistow, Oliver$$b3
000310008 7001_ $$0P:(DE-He78)c7f6680647a8e992f04c9e075784f775$$aWeykamp, Fabian$$b4$$udkfz
000310008 7001_ $$aHeld, Thomas$$b5
000310008 7001_ $$00000-0003-4292-663X$$aMohr, Stefan$$b6
000310008 7001_ $$00000-0001-6464-6191$$aSchmitt, Felix C F$$b7
000310008 7001_ $$aWeigand, Markus A$$b8
000310008 7001_ $$00000-0002-6411-4811$$aDebus, Juergen$$b9
000310008 7001_ $$00000-0002-5355-3173$$aUzun-Lang, Kristin$$b10
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