Our results suggest that once-daily AMK for 4 weeks with a target Cmax of 55-65 μg/ml can be used in patients with M. abscessus lung disease, with careful monitoring of toxicity.
ObjectiveEndotracheal intubation is extremely difficult to perform in patients wearing a cervical collar for a head and neck injury. Therefore, we analyzed actual measurements using the look externally, evaluate 3-3-2, Mallampati score, obstruction, and neck mobility (LEMON) criteria before and after cervical collar application to investigate the causes of a difficult airway.MethodsThis simulation study was performed in 76 healthy volunteers. We measured the mouth opening, modified Mallampati classification, and neck extension before and after cervical collar application.ResultsThe mean inter-incisor distance significantly decreased from 4.3 to 2.6 cm (P<0.001). Fifty-seven participants classified as I and II were newly classified as III and IV according to the modified Mallampati classification after cervical collar application (16% to 91%). The angles of neck extension significantly decreased from 44° to 22° after cervical collar application (P<0.001). Before cervical collar application, our simulations predicted that 14 of 76 participants (18%) would have a difficult airway, whereas after cervical collar application, 76 of 76 (100%) were predicted to have a difficult airway.ConclusionAll values for the LEMON criteria (mouth opening, modified Mallampati classification, and neck extension) worsened significantly after cervical collar application. Additionally, a difficult airway was predicted in all participants after cervical collar application.
ObjectiveAirway management in patients with suspected cervical spine injury is classified as a “difficult airway.” The best device for managing difficult airways is not known. Therefore, we conducted an intubation study simulating patients with cervical spine injury using three devices: a conventional Macintosh laryngoscope, a video laryngoscope (GlideScope), and a fiberoptic bronchoscope (MAF-TM). Success rates, intubation time, and complication rates were compared.MethodsNine physician experts in airway management participated in this study. Cervical immobilization was used to simulate a difficult airway. Each participant performed intubation using airway devices in a randomly chosen order. We measured the time to vocal cord visualization, time to endotracheal tube insertion, and total tracheal intubation time. Success rates and dental injury rates were compared between devices.ResultsTotal tracheal intubation time using the Macintosh laryngoscope, GlideScope, and fiberoptic bronchoscope was 13.3 (range, 11.1 to 20.1), 14.9 (range, 12.7 to 22.3), and 19.4 seconds (range, 14.1 to 32.5), respectively. Total tracheal intubation time differed significantly among the devices (P=0.009). Success rates for the Macintosh laryngoscope, GlideScope, and fiberoptic bronchoscope were 98%, 96%, and 100%, respectively, and dental injury rates were 5%, 19%, and 0%, respectively.ConclusionThe fiberoptic bronchoscope required longer intubation times than the other devices. However, this device had the best success rate with the least incidence of dental injury.
Purpose: Alcohol intoxication is commonly associated with traumatic brain injury (TBI), but the influence of alcohol on the Glasgow Coma Scale (GCS) score remains unclear. This study investigates the effects of blood alcohol concentration (BAC) on the GCS score in head trauma patients with alcohol intoxication. methods: In total, 369 head trauma patients with alcohol intoxication in a 1-year period were retrospectively analyzed. The patients underwent head computed tomography and had a BAC ≥80 mg/dL. Patients were divided into TBI and non-TBI groups. Brain injury severity was further classified using the head Abbreviated Injury Score (AIS). The effects according to 5 BAC groups were examined. results: The TBI group consisted of 64 patients (16.2%). The mean BAC was significantly higher in the non-TBI group (293.4±87.3 mg/dL) than in the TBI group (242.8±89.9 mg/dL). The mean GCS score was significantly lower in the TBI group (10.3±4.6) than in the non-TBI group (13.0±2.5). A higher BAC showed a significant association with a lower mean GCS score in the TBI group, but not in the non-TBI group. Above ≥150 mg/dL, higher BACs showed significant odds ratios for a lower GCS score. Conclusions: The influence of alcohol in patients with head trauma depended on the presence of a brain injury. An association between a higher BAC and a lower GCS score was only observed in patients with TBI. Therefore, if a severe brain injury is suspected based on a GCS evaluation in patients with alcohol intoxication, prompt diagnosis and intensive care should be performed without delay.
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