Key result
Expandable metallic stent placement achieved an 89.1% clinical success rate, with the Colorectal Obstruction Scoring System (CROSS) score improving in all successful cases.
Why the study?
Is the colorectal obstruction scoring system (CROSS) useful for evaluating clinical success in patients undergoing colonic stent placement for obstructive colorectal cancer?
Observational (n=55)
Is the colorectal obstruction scoring system (CROSS) useful for evaluating clinical success in patients undergoing colonic stent placement for obstructive colorectal cancer?
The colorectal obstruction scoring system (CROSS) is a useful tool for evaluating the clinical efficacy of colonic stent placement as a bridge to surgery in obstructive colorectal cancer.
May support stent use for colorectal obstruction; leaves open randomized trials to confirm role and durability.
現在大腸狭窄・閉塞に対する評価方法は確立しておらず,大腸ステント安全手技研究会では大腸閉塞スコアCROSS(colorectal obstruction scoring system)を提唱している。その内容はscore0:継続的な腸管減圧を要する,score1:経口摂取不能,score2:水分摂取可能,score3:食事摂取可能で腸管狭窄症状あり,score4:食事摂取可能で腸管狭窄症状なしである。CROSSの有用性を検証するために,2001年から2012年8月までに閉塞型大腸癌の術前処置(bridge to surgery:BTS)として金属ステント(expandable metallic stent:EMS)留置術を施行した66例について,各症例のCROSSをretrospectiveに検討した。臨床的成功(閉塞解除成功)例は59/66例:89.4%,臨床的不成功例は7/66例:10.6%であり,成功例のCROSSはステント留置前後で全例が改善しており,90%がCROSS0からCROSS4へ改善していた。一方不成功例のCROSSは留置前後で71%に改善が認められない結果となり,CROSSは大腸ステントBTS症例で有用であった。
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Otsuji et al. (2013) conducted an observational in Obstructive colorectal cancer (n=55). Expandable metallic stent (EMS) placement was evaluated on Clinical success rate (remission of obstruction). Expandable metallic stent placement achieved an 89.1% clinical success rate, with the Colorectal Obstruction Scoring System (CROSS) score improving in all successful cases.
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