Abstract: Abstrat: Objective To compare the effect of parachute suture and double-purse suture in PPH for
internal hemorrhoids III and IV and the complications after operation. Methods From January 2013
to September 2018, 95 patients with grade Ⅲ and Ⅳ internal hemorrhoids or mixed hemorrhoids who
underwent PPH were reviewed. 53 patients underwent double-purse suture and 42 patients underwent
parachute suture. The rectal mucosa excision and follow-up were compared between the two groups.
Results The thickness of rectal mucosa resected in the double-purse group was signifi cantly thicker than
that in the parachute group, while the width and integrity of the resected mucosa in the parachute group
were signifi cantly better than that in the double-purse group (P＜0.01). In the comparison of the postoperative
conditions, the degree of pain in the double-purse group was significantly higher than that in the
parachute group, and the recovery time was also longer than that in the parachute group. Conclusion
Parachute suture combined with mucosal suspension can increase the length and uniformity of resected
rectal mucosa, reduce the incidence of postoperative pain, and has a certain clinical value in the treatment
of grade Ⅲ and Ⅳ internal hemorrhoids.

Key words: Key Words: Procedure for prolapse and hemorrhoids, Parachute suture, Double-purse suture