This study showed that YH4808 produced a rapid, sustained suppression of gastric secretion with good tolerability. The results at YH4808 ≥200 mg/d provide a rationale for further clinical investigations in populations with acid-related diseases.
Our aim was to assess the influence of age, co-morbidity factors and tumour characteristics on dysphagia severity in the diagnosis of head and neck cancer. Modified barium swallow (MBS) examinations were performed in patients at diagnosis of head and neck cancer. Dysphagia was graded on a scale of 1 to 7 of increasing severity. Between 2000 and 2006, 236 patients with dysphagia underwent MBS at diagnosis of their head and neck cancer. 82 patients were scored as Grade 1, 88 as Grade 2, 29 as Grade 3, 15 as Grade 4, 9 as Grade 5, 5 as Grade 6, and 8 as Grade 7. Grade 3-7 dysphagia occurred in 20% and 31% of patients with T1-T2 and T3-T4 tumours, respectively (p = 0.004). Corresponding values for N0-N1 and N2-N3 tumours were 20% and 39%, respectively (p = 0.002). The percentage of patients with Grade 3-7 dysphagia was 5%, 29%, 33% and 52% for oral cavity, laryngeal, oropharyngeal and hypopharyngeal tumours, respectively, (p = 0.002). Age and co-morbidity factors (e.g. diabetes, hypertension, coronary artery disease, peripheral vascular diseases and arthritis) did not appear to have an impact on swallowing in this limited retrospective study. Patients with locally advanced stages (T3-T4, N2-N3) are at risk of severe dysphagia. Patients with oral cavity tumours appear to be less at risk of dysphagia than those with tumours in different anatomic locations. The role of age and co-morbidity factors should be investigated in future prospective studies.
The success rate of identifying the cricothyroid membrane was similar among the anesthesiologists who performed the laryngeal handshake method and also among otorhinolaryngologists who used simple palpation.
With increasing use of mobile displays outdoors, privacy-related issues have come to the fore. Therefore, in this study, we proposed a novel concept using directionally guided light transmission using double-sided asymmetric prism arrays for fabricating a privacy protection film for digital displays. The proposed film allows only the user in front of the display to see its contents using dual refraction in a prism array. Otherwise, when the display is viewed at an angle, it is difficult to recognize the contents due to the overlap of different letters. The optical path was analysed through ray-tracing simulations, and the performance of the film was quantified using an optical character recognition (OCR) method. To further enhance the effectiveness of the film, a metal film was applied on the vertical face of the micro prism arrays using an oblique deposition method. This metal-coated double-sided prism array film showed superior privacy-protecting performance compared to a conventional method based on the micro-louver structure.
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