• Shohei Tsuruta, Mariko Yamada, Takeru Shimizu, Tsuyoshi Satsumae, Makoto Tanaka, and Taro Mizutani.
• Department of Anesthesia, Tsukuba University Hospital, Tsukuba 305-8575.
• Masui. 2010 Nov 1;59(11):1411-4.

AbstractThe i-gel (Intersurgical Ltd., Wokingham, Berkshire, UK) is a new single-use noninflatable supraglottic airway device. It is composed of a soft, gel-like, transparent, thermoplastic elastomer, which provides a perilaryngeal seal without cuff inflation. In this case report, we describe the airway management using i-gel in two patients scheduled for awake craniotomy. One patient underwent the implantation of brain stimulator electrodes and the other patient underwent the removal of a glioma near Broca's area. After anesthesia was induced with propofol and remifentanil, airway was secured using i-gel. Anesthesia was maintained using oxygen, air and propofol, supplemented with an infusion of remifentanil. Anesthesia was discontinued after completion of craniotomy. The i-gel was removed when patients opened their eyes upon calling their names out. The i-gel was reinserted before the closure of the dura without difficulties despite the fact that necks were rotated about 30 degrees rightward, and remained in place until the end of surgery. All procedures finished uneventfully and without adverse events. We conclude that i-gel is effective in asleep-awake-asleep technique because of its easiness in reinsertion under condition of rotated neck.

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