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Updated: Jan 22, 2026

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ロボット支援根治的腎摘除術後の排尿機能の長期推移
Naoki Kimura1,2, Yuta Yamada3,4, Yuji Hakozaki1
1Department of Urology, Graduate School of Medicine, The University of Tokyo 7-3-1, Bunkyo-Ku, Tokyo, 113-8655, Japan.
Journal of robotic surgery
|January 20, 2026
まとめ
ロボット支援根治的腎摘除術(RARP)は、ほとんどの排尿症状を長期的に改善しますが、切迫性および腹圧性尿失禁は持続する可能性があります。術前の排尿貯留スコアは、RARP後の失禁および生活の質を予測します。
科学分野:
- 泌尿器科学
- 腫瘍学
- 外科的イノベーション
背景:
- ロボット支援根治的腎摘除術(RARP)は、前立腺がんの一般的な治療法です。
- RARP後の長期的な排尿機能と生活の質(QOL)を理解することは、患者管理にとって非常に重要です。
- 自己記入式質問票は、患者が報告した転帰を評価するための貴重なツールです。
研究 の 目的:
- RARP後の排尿状態とQOLの長期的な変化を統計的に分析すること。
- 術後の排尿失禁およびQOLの予測因子を特定すること。
- 特定の ЛUTS の回復軌跡を評価すること。
主な方法:
- 前立腺がんに対してRARPを受けた243人の患者の後ろ向き分析。
- Core Lower Urinary Tract Symptom Score(CLSS)、International Prostate Symptom Score(IPSS)、Overactive Bladder Symptom Score(OABSS)、およびICIQ-SFを使用しました。
- IPSSの貯留(IPSS-S)および排尿(IPSS-V)成分を個別に分析しました。
- 関連性の統計分析を行いました。
主要な成果:
- ほとんどの排尿症状は術後に一時的に悪化しましたが、切迫性尿失禁と腹圧性尿失禁を除いて、ベースラインに回復しました。
- 術前のIPSS-Sスコアが7を超えることは、術後の「パッドフリー」および「1日1枚のパッド」の状態を大幅に予測しました。
- パッドフリーの状態と1日1枚のパッドの状態を達成した患者の間で、生活の質に有意な差がありました。
結論:
- RARPは、特定の種類の失禁を除き、ほとんどの排尿機能をベースラインレベルに回復させることができます。
- 術前の排尿貯留症状の重症度は、RARP後の長期的な失禁転帰の重要な予測因子です。
- 完全な失禁(パッドフリー)の達成は、毎日1枚のパッドを使用する場合と比較して、QOLが良好であることと関連しています。
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