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2007年泰国医生Rojanasakul介绍了一种新的保留括约肌手术，即LIFT手术（Ligation of the Intersphincteric Fistula Tract ,LIFT)，发表在泰国医学会杂志上，引起了Minnesota大学Goldberg教授的关注，而后，Goldberg教授开始在美国开展LIFT手术的多中心研究，在美国推广这一新技术，并推荐作为治疗复杂性肛瘘保留括约肌手术的一线选择。目前肛瘘结扎术的研究还在进行中，文献报道的不多，英文文献总共才发表4篇，大部分都是短期的随访结果，总成功率57%-94.4%，肛门失禁几乎为零。肛瘘结扎术治疗经括约肌肛瘘和复杂性肛瘘是安全有效的，同时保留了肛门括约肌和肛门功能，与其他保留括约肌手术方法相比，简便易行，成功率高，肛门失禁的发生率几乎为零，是最有前景的肛瘘保留括约肌手术，还需要作多中心的长期随机对照研究对LIFT手术的有效性和安全性作出准确的评价。沈阳军区总医院肛肠科王大全
参考文献
1.Rojanasakul A, Pattanaarun J, Sahakitrungruang C, Tantiphlachiva K. Total anal sphincter saving technique for fistula-in-ano:the ligation of intersphincteric fistula tract. J Med Assoc Thai.2007;90:581?586.
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