Spots Global Cancer Trial Database for The Effect of Different Reconstruction Methods on Anterior Resection Syndrome

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Trial Identification

Brief Title: The Effect of Different Reconstruction Methods on Anterior Resection Syndrome

Official Title: The Effect of Different Reconstruction Methods in Laparoscopic Anterior Rectal Resection on Postoperative Anterior Resection Syndrome：a Randomized Controlled Trial

Study ID: NCT04023448

Conditions

Rectal Cancer

Low Anterior Resection Syndrome

Interventions

transverse coloplasty pouch

Study Description

Brief 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.

Detailed 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.