Difficult tracheal intubation using the Airway Scope in a patient with unexpected mouth-opening difficulty

Kayashima, Kenji; Matsushita, Hitomi; Murashima, Koji

doi:10.1007/s00540-011-1303-4

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…[8] In the literature, there were some cases, which were evaluated as MLP I in the preoperative assessment, developed inadequate mouth opening secondary to temporomandibular joint disorder after anesthesia induction. [16,17] In our study, we did not see any similar cases. The frequency of difficult intubation was higher in the Western and Southern regions, which could be considered similar to the Greek population.…”

Section: Discussionmentioning

confidence: 38%

Assessment of Difficult Intubation Predictors in Different Populations of Turkey

Kepekçi

Erdoğan

Yavaşça

et al. 2020

Journal of Contemporary Medicine

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Difficult tracheal intubation is defined when tracheal intubation requires multiple attempts, in the presence or absence of tracheal pathology. Most importantly, difficult intubation differs between countries and populations. Physicians should be aware of difficult intubation frequencies of their populations. Turkey is a transit country between East and West. Eastern Turkey reflects the Middle East and Asia, while western Turkey has European features. Our objectives were to investigate the frequency of difficult intubation in different regions' populations, and specificity and sensitivity of predictive values. Method: According to the population in the regions, 24 experienced anesthesiologists from 13 hospitals in 7 regions, were included in the study. Results: Of 1313 patients, 143 patients (10.89%) were detected as difficult intubation. Mallampati (MLP) III-IV were alone (p = 0.043), and the combination of thyromental distance <6 cm and MLP III-IV (p: 0.018) were statistically significant in difficult and easy intubation patient groups. The specificity was 97.46% in MLP + thyromental combination, and 98.05% in MLP + mouth opening combination. Western region had the shortest measurements in sternomental, thyromental and mouth opening (p <0.05), and had the most difficult intubation frequency compared to the other regions (p: 0.001). Conclusion:The positive predictive values were increased with increasing combinations, but further research is needed on the predictors of difficult intubation.

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Section: Discussionmentioning

confidence: 38%

Assessment of Difficult Intubation Predictors in Different Populations of Turkey

Kepekçi

Erdoğan

Yavaşça

et al. 2020

Journal of Contemporary Medicine

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“…In addition, movement of the temporomandibular joint can also influence direct laryngoscopy. [16,17] Stiffness of the joint limits not only mouth opening but also forward movement of the mandible during laryngoscopy. This limitation results in the failure to increase the height and area of the TIM triangle.…”

Section: Discussionmentioning

confidence: 99%

Previsional space during direct laryngoscopy

et al. 2017

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The laryngoscope should displace oral soft tissues forward out of the operator's vision. Therefore, the space in front of the view may be critical for determining the laryngoscopic view. The aim was to investigate the difference in the previsional space during difficult versus easy laryngoscopy (EL).Under general anesthesia, digital photographs of the lateral view of the head and neck were taken in the horizontal sniffing position, after head extension, and during laryngoscopy with a defined force (50 N). Three points (thyroid notch (T), maxillary incisor (I), and mandibular mentum (M)) were marked on the photograph. The previsional space was defined as the TIM triangle. We compared these areas and other variables of the TIM triangle between male patients with difficult laryngoscopy (DL: Cormack–Lehane III–IV, n = 12) versus those of age- and body mass index-matched male patients with EL (Cormack–Lehane I–II, n = 12).When the head was extended, the areas TIM triangle in DL were significantly smaller than in EL. During laryngoscopy, all values of the TIM triangle in DL, including the TIM area (16.4 ± 3.7 vs 22.6 ± 2.8 cm2, P < .01), were significantly smaller than the values in EL.The previsional space was smaller in patients with DL than in those with EL. The TIM triangle could suggest new way to explain the mechanism underlying DL.

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Difficult tracheal intubation using the Airway Scope in a patient with unexpected mouth-opening difficulty

Cited by 2 publications

References 5 publications

Assessment of Difficult Intubation Predictors in Different Populations of Turkey

Assessment of Difficult Intubation Predictors in Different Populations of Turkey

Previsional space during direct laryngoscopy

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