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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Intraoperative MRI ： ウィキペディア英語版 Intraoperative MRI Intraoperative magnetic resonance imaging (iMRI) refers to an operating room configuration that enables surgeons to image the patient via an MRI scanner while the patient is undergoing surgery, particularly brain surgery. iMRI reduces the risk of damaging critical parts of the brain and helps confirm that the surgery was successful or if additional resection is needed before the patient’s head is closed and the surgery completed.〔Chicoine MR, Lim CC, et al. 2011. Implementation and preliminary clinical experience with the use of ceiling mounted mobile high field intraoperative magnetic resonance imaging between two operating rooms. Acta Neurochir Suppl. 2011:109:97-102〕 ==Equipment and operating suite configuration== Compared to other imaging types, high-field iMRI requires the additional cost of specialized operating suites, instrumentation and longer anesthesia and operating room time; however, published studies show use of iMRI increases physicians’ ability to detect residual tumor leading toward an improved rate of procedural success.〔 iMRI is available in a range of strengths. Low-field units, less than 1 Tesla (T), have the advantage of small size, simpler operating theater preparation and portability but are disadvantaged by relatively poor image resolution. Higher field strengths, currently available in 1.5 and 3T options, provide better spatial and contrast resolution enabling surgeons to more accurately evaluate the findings on an image.〔MJ Winder et al. 2011. The Evolution of Intraoperative Imaging and Neuro-Navigation in Transsphenoidal Surgery. J. Surg. Rad. 2(1): 58-67〕 High-field iMRI operating suites are configured in one of two ways.〔M Bergsneider and LM Liau. 2006. Intraoperative Magnetic Resonance Imaging for Brain Tumor Resection. Ch. 13: 104-113. In, Neurosurgical Operative Atlas, Second Edition〕 Both require that the MRI magnet be stored in an adjacent room. One configuration requires that the patient be moved to the magnet to obtain an image.〔〔JMK Mislow, AJ Golby, PM Black. 2009. Origins of iMRI. Neurosurg. Clin. N. Am. (2):137-146. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2902263/〕 The second configuration (only offered by IMRIS, Inc.) moves the MRI magnet to the patient via ceiling-mounted rails to obtain the image.〔 The latter approach has the advantage of not moving the patient from the operating theater during the surgery and enhances workflow and safety in terms of airway control, monitoring and head fixation.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Intraoperative MRI」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.