Periappendicular Abscess

To evaluate whether a postoperative therapeutic strategy, Fast Track, aimed at shortening hospital stay in pediatric patients undergoing laparoscopic appendectomy for complicated acute appendicitis, yields outcomes that are not inferior to the standard therapeutic model in terms of the combined variable of adverse events within 30 days postoperatively (including postoperative abdominal abscess, peritonitis, surgical wound complications, reintervention, sepsis, or death).