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改良人工食管结构预防新生食管狭窄

Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae(2006)

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Abstract
目的观察改良人工食管结构对术后新生食管狭窄的影响,为完善人工食管设计提供实验数据。方法采用犬食管缺损模型,实验组(n=10)植入复合结构管,术后新生食管狭窄者置入食管支架。对照组(n=30)植入单一结构管,术后新生食管狭窄者行扩张治疗,治疗失败后行支架置入。结果实验组人工食管平均脱管时间为19·10d,明显低于对照组的39·07d(t=15·6,P=0·000)。与对照组相比,实验组无人工食管脱管后梗阻发生。两组术后新生食管狭窄发生率差异无显著性。结论复合结构管可缩短脱管持续时间而安全脱管。
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Key words
Artificial esophagus,Bio-material,Esophageal stent,Postoperative stenosis
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