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Difficult Intubation in a Patient with Dysphagia after Posterior Occipitocervical Fusion: A Case Report

Open Journal of Anesthesiology 2017年第5期7卷 121-129页

作者： Junichi Nishiyama Aki Ando tomohiko murata Mariko Watanabe Hajime Yamazaki Satoru Saito Toshiyasu Suzuki Department of Anesthesiology Tokai University School of Medicine Isehara Japan

The authors encountered a case involving difficult intubation during anesthesia for revision of cervical fixation angle in a 62-year-old woman, with a history of chronic rheumatoid arthritis, who experienced dysphagia after initial posterior occipitocervical fusion to correct atlantoaxial subluxation. Two days after initial surgery, she developed trismus with neck flexion and dysphagia, and underwent revision surgery. General anesthesia was planned;however, tracheal intubation using the McGrath laryngoscope and bronchofiberscope was difficult, which prolonged anesthesia induction. Narrowing of the oral and pharyngeal cavities associated with overcorrection of the cervical spine was believed to be the reason for difficulty in manipulating the tracheal intubation devices. In posterior occipitocervical fusion, intraoperative evaluation of the occipito-second cervical vertebra (O-C2) angle is reported to be useful in preventing postoperative dyspnea and/or dysphagia, and avoids the need for revision of fixation angle. However, when revision surgery is needed, selection of airway management methods and tracheal intubation devices are important considerations because patients are likely to have restricted mobility in the cervical spine and narrowing of the oral and pharyngeal cavities.

关键词： Occipitocervical Fusion Postoperative Dysphagia Difficult Intubation O-C2 Angle

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Reflectance spectra analysis for mucous assessment

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World Journal of Gastrointestinal Oncology 2021年第8期13卷 822-834页

作者： Toru Chiba Masaharu murata Takahito Kawano Makoto Hashizume tomohiko Akahoshi Pentax_LifeCare HOYA CorporationAkishima-shi 196-0012TokyoJapan Center for Advanced Medical Innovation Kyushu UniversityFukuoka-shi 812-8582FukuokaJapan Department of Disaster and Emergency Medicine Graduate School of Medical SciencesKyushu UniversityFukuoka_shi 812-8582FukuokaJapan

This review report represents an overview of research and development on medical hyperspectral imaging technology and its *** imaging technology is attracting attention as a new imaging modality for medical applications,especially in disease diagnosis and image-guided *** the recent advances in imaging,this technology provides an opportunity for twodimensional mapping of oxygen saturation(SatO2)of blood with high accuracy,spatial spectral imaging,and its analysis and provides detection and diagnostic information about the tissue physiology and *** imaging also provides information about tissue oxygenation,perfusion,and potential function during *** algorithm has been examined,and indication of accurate map of relative hemoglobin concentration and SatO2 can be indicated with preferable resolution and frame *** technology is expected to provide promising biomedical information in practical *** studies suggested that blood flow and SatO2 are associated with gastrointestinal disorders,particularly malignant tumor *** use and analysis of spectroscopic images are expected to potentially play a role in the detection and diagnosis of these diseases.

关键词： Diffuse reflectance spectroscopy Endoscopy Hemoglobin saturation Hypoxia Gastrointestinal cancer Tumor

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