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Clinical Trial Summary

The incidence of prerectal resection syndrome (LARS) after middle and low rectal cancer surgery is as high as 70%, which seriously affects the quality of life of patients. Studies have shown that colon pouch can reduce and alleviate LARS symptoms. However, most previous studies focused on open surgery, and the evaluation index lacked objectivity. Therefore, in the context of minimally invasive rectal cancer surgery, it is necessary to re-evaluate the value of improved surgical methods for the prevention of LARS, so as to improve the quality of life of patients.


Clinical Trial Description

The incidence of prerectal resection syndrome (LARS) after middle and low rectal cancer surgery is as high as 70%, which seriously affects the quality of life of patients. LARS may be related to the injury of anal internal sphincter, anal sensory nerve injury, defecation reflex pathway injury, changes in anorectal Angle and rectum sigmoid Angle, changes in new rectal sensory function and compliance, and changes in dynamics,etc. After AR surgery, the rectum loses its good compliance and the storage capacity is reduced, which is one of the important reasons for the increased frequency and urgency of defecation.Therefore, on the basis of traditional colon-rectum (or anal canal) end-to-end anastomosis, "J" shaped pouch anastomosis, end-to-end anastomosis, coloplasty and other special anastomosis methods were performed. Meanwhile, for the lack of objective evaluation index, the results were not credible. The LARS score was first published in 2012,and has been validated, evaluated, or used as an outcome measure in more than 30 published scientific papers. Further more,laparoscopic surgery is widely used in gastrointestinal surgery. Herein, current randomized controlled trial comparing coloplasty with straight colorectal anastomosis in LARS in order to guide clinical practise was conducted. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04023448
Study type Interventional
Source Third Affiliated Hospital, Sun Yat-Sen University
Contact Bo Wei, M.D
Phone (86)20-85252228
Email sanpi2013@163.com
Status Recruiting
Phase N/A
Start date September 1, 2019
Completion date September 1, 2022

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