尿道スリング留置術におけるトロカール穿孔率:骨盤臓器脱手術との併用および非併用の場合
Alexa Primavera1, Katherine Albus2, Dayun K Lee2
1Women's Institute, West Penn Hospital of Allegheny Health Network, Pittsburgh, PA.
Urogynecology (Philadelphia, Pa.)
|February 2, 2026
まとめ
骨盤臓器脱修復術を併用した中位尿道スリング留置術は、膀胱トロカール穿孔率が高かった。仙骨腟固定術は穿孔リスクを有意に増加させ、解剖学的差異が転帰に影響を与える可能性を示唆している。
科学分野:
- 婦人科泌尿器科学および骨盤再建外科学
- 手術転帰および患者安全
- 女性骨盤医学
背景:
- 網状尿道スリング(MUS)は骨盤臓器脱手術で一般的に使用されている。
- 併用処置に関連するリスクを理解することは、患者の安全にとって極めて重要である。
- 併用処置の特定合併症率に関する過去のデータは限られている。
研究 の 目的:
- 網状尿道スリング(MUS)の膀胱トロカール穿孔率を比較すること。
- MUS単独手術(soloMUS)と、MUSおよび骨盤臓器脱修復術(popMUS)との間で発生率を評価すること。
- これらの処置における膀胱穿孔のリスク因子を特定すること。
主な方法:
- MUS手術を受けた18歳から89歳までの女性816名を対象とした後向きコホート研究(2018年1月~2024年10月)。
- 閉鎖孔スリングおよび骨盤頂部以外の修復は除外した。
- 主要評価項目:膀胱トロカール穿孔率。副次評価項目:30日以内の救急外来受診、再手術、入院。
主要な成果:
- popMUS群の膀胱穿孔率は11.0%であり、soloMUS群の4.3%よりも高かった。
- 併用仙骨腟固定術は穿孔リスクを有意に増加させた(オッズ比2.47、P=0.04)。
- popMUS群は再入院および救急外来受診率が高かったが、再手術率は同等であった。
結論:
- 併用骨盤臓器脱修復術、特に仙骨腟固定術は、トロカール穿孔リスクの増加と関連している。
- 修復後の解剖学的構造における組織張力の違いが、より高い穿孔率に寄与している可能性がある。
- 併用処置とその結果に関するリスクを定義するためには、さらなる研究が必要である。
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