ゲル浸水内視鏡の有用性 胃の内視鏡切除の残留物
Hiroki Hayashi1, Yuji Ino1, Chihiro Iwashita2
1Department of Medicine, Division of Gastroenterology, Jichi Medical University, Tochigi, Japan.
まとめ
ゲル浸水法では,残留物のある胃の内視切除の可視化が改善されます. この技術は,内視粘膜切除や内視粘膜下部の解剖のような手順の安全性と精度を高めます.
科学分野:
- 胃腸内科
- 内視鏡手術
- 医療機器技術
背景:
- 内視粘膜切除 (EMR) と内視粘膜下切除 (ESD) は,早期の胃がんの標準治療法である.
- これらの手順では,残った食べ物や液体で明確な視野を達成することは大きな課題です.
- 視界の制限は,内視切除の安全性と有効性を損なう可能性があります.
研究 の 目的:
- 残留した胃の内視切除のための可視化を改善するジェル浸水法の有効性を評価する.
- EMRとESDを必要とするケースでゲル浸水技術の適用を実証する.
主な方法:
- ゲル浸水法では,透明で粘性のあるゲルを胃の光に注入して,残留物と血液を移動させます.
- 専用のバルブを使用して,内視鏡の手続き中にアクセサリーチャネルを通して継続的なゲル挿入を可能にしました.
- このテクニックは,残留した胃の腸内腫瘍の2つの異なる症例に適用されました.
主要な成果:
- ゲル浸水法では,残留物を取り除き,両方のケースで明確な視野を提供しました.
- 5mmのアデノマのゲル浸水EMRを使用してブロック切除を達成しました.
- ゲル浸漬によるESDは12mmの内腺癌の正確な切断と効果的な凝固を促進し,両患者で切除の限界は負だった.
- どちらのケースでも有害事象は報告されていません.
結論:
- ゲル浸水法は,内視切除時に胃の残留物によって引き起こされる視覚化課題を克服するための効果的な戦略です.
- この技術は,残った胃の内視鏡検査の 安全性,精度,効率を高めます.
- 胃腫瘍のEMRとESDを受ける患者の治療結果を改善するために,ゲル浸透法が有望である.
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