Efficacy of Temporary Transvenous Pacing to Prevent Atropine-resistant Bradycardia during Surgery for a Tumor in the Brainstem Region : A Case Report
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- YOSHIYAMA Yuki
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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- SUGIYAMA Yuki
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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- IDE Susumu
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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- FUSEYA Satoshi
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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- MURAKAMI Toru
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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- KAWAMATA Mikito
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine
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When surgery is performed in the brainstem region, the parasympathetic cardiac reflex via the vagus nerve may occur, possibly resulting in bradycardia/asystole and hypotension. We report a case in which temporary cardiac pacing was useful to prevent recurrent atropine-resistant bradycardia during surgery in the brainstem region. A 42-year-old woman underwent resection of a large ependymoma that extended from the midbrain to the medulla oblongata. She had no episodes of syncope, preoperative bradycardia, or arrhythmia. Because the anticipated long duration of surgical manipulation in the brainstem region came with a high risk of bradycardia/asystole occurrence due to tumor removal, a transvenous pacing (TVP) wire was temporarily implanted before surgery. Just after the beginning of tumor removal, severe bradycardia (28 bpm) and hypotension occurred. Tumor removal was paused, and 0.5mg of atropine was administered intravenously. The heart rate immediately increased to 57 bpm and hemodynamics were stable for 2 min ; however, severe bradycardia (13 bpm) and hypotension recurred 1 min after the resumption of tumor removal. TVP (back-up VVI pacing at 40 bpm) was initiated, and bradycardia and hypotension did not occur again. The subsequent course was uneventful and there were no neurological abnormalities. These findings suggested that atropine was only initially effective in this patient after surgical manipulation was started, and that placement of a TVP wire is useful even when atropine-resistant bradycardia occurs during brainstem surgery.
収録刊行物
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- 信州医学雑誌
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信州医学雑誌 64 (3), 153-157, 2016
信州医学会
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詳細情報 詳細情報について
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- CRID
- 1390001204210931840
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- NII論文ID
- 130005160166
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- NII書誌ID
- AN00120815
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- ISSN
- 18846580
- 00373826
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- HANDLE
- 10091/00018927
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- NDL書誌ID
- 027492887
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可