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Introduction In an imperforate anus, colostography often fails to identify recto-urethral fistula (RUF). Thus, surgeons must always assume an RUF is present, despite colostography findings, and dissect the distal rectal pouch (RP) with caution. We report the usefulness of intraoperative colonoscopy (IOC) for excluding RUF and, thus, facilitating safe dissection of the RP. Methods We used IOC in six cases of imperforate anus. All had right transverse colostomy initially after birth. Distal colostography excluded RUF in five cases and was inconclusive in one. Laparoscopy was used to free the RP carefully from the bladder neck in all cases. Near the prostate, a 4-mm fine, flexible colonoscope was inserted into the RP through the anterior rectal wall to observe the laparoscopic dissection of the RP, which was attached closely to the prostate/bulbar urethra intraluminally to prevent injury to the urethra. The mucosa of the distal end of the RP was mucosectomized or diathermied, and the colon was pulled-through. Mean age at surgery was 11 months. Results IOC excluded RUF under direct vision in all cases, which enabled the dissection of the RP to be monitored and to proceed smoothly. At follow-up (mean: 31 months), all cases were well. Conclusions IOC can be used to exclude RUF and facilitate safe dissection of the RP in imperforate anus.

Introduction: Laparoscopic appendectomy (LA) can be performed safely and effectively using endoloops (EL) or endostaples (ES). We compared EL and ES for stump closure during LA for complicated appendicitis in children. Methods: All LA for complicated appendicitis performed between July 2005 and August 2009 were assessed prospectively. EL were used in 37 procedures and ES in 31. Apart from choice of technique which was the personal preference of the attending surgeon, all patients were managed according to the same intraoperative and postoperative protocols. Results: There was no significant difference between mean age at operation; gender ratio; mean preoperative and postoperative white blood cell; mean preoperative and postoperative white blood cell C-reactive protein; histopathology; mean operating time (EL: 71 minutes; ES: 64 minutes); mean hospitalization (EL: 5.3 days; ES: 5.1 days); febrile period (EL: 2.1 days; ES: 1.9 days); white blood cell normalization (EL: 2.6 days; ES: 2.4 days); and intravenous antibiotic usage (EL: 3.8 days; ES: 3.7 days). There were no intraoperative complications or ICU admissions in either group, but two EL cases required conversion to open surgery (P=NS). Incidences of intra-abdominal abscess (EL: n=1 or 2.7%; ES: n=1 or 3.2%), transient ileus (EL: n=2 or 5.4%; ES: n=2 or 6.4%), small bowel obstruction (EL: n=0; ES: n=0), and wound infection (EL: n=1 or 2.7%; ES: n=1 or 3.2 %) were not significantly different. Rate of rehospitalization for EL was 2.7% (n=1; colitis), and for ES, it was 3.2% (n=1; intra-abdominal abscess) (P=NS). Mean cost for EL was US$890, and for ES, it was US$1300. Conclusion: This is the first prospective study comparing EL and ES during LA for complicated appendicitis in children. ES is more expensive, but there was no significant difference in morbidity for this technique, particularly with regard to incidence of postoperative intra-abdominal abscess.