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DCR: 引流液中淀粉酶可作为用于检测回肠袋手术后吻合口渗漏生物标志物

2022-04-22 xuyihan MedSci原创

吻合口瘘的临床表现主要是吻合部位吻合不全,或因营养不良造成吻合口不能正常生长,肠内容物进入腹腔或皮肤外。

吻合口漏(AL)是结直肠手术的最危险的并发症,因此,在直肠切除术后用回肠袋进行修复已经成为首选手术方案。Remzi等人认为,当达到某些前提条件时,不做临时回肠造口术(TDI)的修复手术也是一种合理的选择,但是术后早期检测很重要。有一些研究评估了结直肠手术患者的全身炎症标志物和引流液物质,引流液中的某些细胞因子已显示出其重要性。有一项研究测量了回肠造口的管腔淀粉酶水平,发现远端小肠的内容物中这种酶的含量非常高(术后第1至5天的中位水平为4470 U/L至23000 U/L)。因此,本项研究的目的是评估引流液淀粉酶是否可以作为回肠储袋手术后吻合口漏的生物标志物。

 

这是一项多中心前瞻性观察性队列研究,纳入了澳大利亚昆士兰的4家三级医院的部分患者,所有患者均接受了恢复性直肠切除术和回肠储袋手术,同时研究人员测量了患者直肠管淀粉酶和引流液淀粉酶的水平。主要观察结果是吻合口漏当天引流液淀粉酶升高水平。

 

 

研究结果显示,纳入本项研究的 53 名患者中4 例出现早期吻合口漏的患者在吻合口漏当天的引流液淀粉酶中位数为 21897 U/L,而无吻合口漏组的引流液淀粉酶中位数为 25 U/L(p<0.0001)。这样的现象得到了统计学分析上的支持,无吻合口漏患者的淀粉酶含量明显更低。

图:不同患者引流液中淀粉酶的含量差异

 

本项研究证实引流液淀粉酶的测量是早期临床吻合口漏的敏感生物标志物,适用于接受回肠储袋修复性直肠切除术和未合并转移回肠造口术的患者。在所有回肠储袋患者中都应考虑这种简单、廉价和无创的检查,作为临床诊断和鉴别吻合口漏与其他术后并发症的辅助手段。

 

 

原始出处:

Clark, David. Et al. Multicenter Study of Drain Fluid Amylase as a Biomarker for the Detection of Anastomotic Leakage After Ileal Pouch Surgery Without a Diverting Ileostomy. Diseases of the Colon & Rectum.2022.

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    2022-04-24 jktdtl
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    2022-04-24 Tamikia
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