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Background: Since 2007, natural orifice transluminal endoscopic surgery (NOTES) has been applied in humans. We performed this prospective study to evaluate the transvaginal route in terms of risks, complication rate, and long-term side effects such as dyspareunia., Methods: From June 2007 to September 2011, we performed 222 transvaginal hybrid NOTES procedures: 220 transvaginal cholecystectomies (TVC) and 2 transvaginal appendectomies (TVA). All patients were asked to present to our associated gynecologists within 1 week for an examination. After at least 3 months, the patients were interviewed using a standard questionnaire., Results: All operations could be successfully performed in this technique except two cases, which were converted to conventional laparoscopic cholecystectomy. The only intraoperative complication was the puncture of the urine bladder. We observed two postoperative complications: one biliary fistula 3 days after TVC, and one abscess in the Douglas pouch 3 weeks after TVC. The gynecological examinations revealed no abnormalities. The interview (median postoperative time, 6 months) with a follow-up rate of 93 % revealed no pain in the pelvis, dyspareunia, or sexual dysfunction after TVC., Conclusions: The transvaginal route is appropriate for NOTES procedures; there is only a minor and acceptable rate of intra- and postoperative morbidity.

Background: Natural orifice transluminal endoscopic surgery (NOTES) is currently a very important topic for both gastroenterologists and surgeons. We have developed a technique of transvaginal hybrid NOTES cholecystectomy (TVC) that leaves no visible scar and is applicable to daily use. This technique is compared to the conventional laparoscopic cholecystectomy (CLC) in a matched-pair analysis., Methods: From June 2007 until February 2009, 108 NOTES cholecystectomies were performed. For a matched-pair analysis we first selected a group of 192 female patients who had undergone CLC and who were operated on by the same group of surgeons in the same time period. Then 108 pairs who had TVC were matched according to the degree of inflammation of the gallbladder and age. We were able to contact 208 patients at least 3 months after surgery. Hence, the study analysis was performed with 100 complete pairs., Results: All 200 cholecystectomies were performed successfully without conversion. The TVC procedure was significantly longer than CLC (52 vs. 35 min, p<0.001). There were no intraoperative complications in either group. There were no significant differences with respect to reoperations, wound infections, consumption of analgesic drugs, length of hospital stay, and sick leave. Seventy-five TVC and 73 CLC patients had sexual intercourse after the operation without any complaints., Conclusion: We present here the largest series of NOTES for cholecystectomy published to date and the first comparative study with the gold standard. The TVC technique is as successful as the CLC, it causes no more complications than CLC, especially with respect to the vaginal approach, it is more time-consuming to perform, but has an ideal cosmetic result, i.e., no visible scar.

Laparoscopic surgery has dramatically improved surgical care of patients reducing postoperative pain, wound infection rate, hospital stay, inability to work, risk of hernia, and cosmetic result. Natural orifice transluminal endoscopic surgery (NOTES) is even less traumatic to the abdominal wall and might further improve minimal invasive surgery of patients, but might also increase surgical risk when used by a transgastric or transcolonic approach with flexible endoscopes. Therefore we decided to use a transvaginal approach using rigid laparoscopic instruments for cholecystectomies. Through a 5-mm incision deep in the umbilicus a pneumoperitoneum was created. The optic and a dissector were inserted through the posterior fornix of the vagina under laparoscopic control from the umbilicus and a transvaginal gallbladder removal was performed. 20 patients were successfully operated in a 4.5-month period. Operating time was 62 (35–100) min. No intra- or postoperative complications occurred in any patient. Gynecological examination after 8 days showed no negative findings and the cosmetic result was ideal with no visible scars. In our series we showed that cholecystectomies can be routinely performed in a NOTES technique without visible scar. The transvaginal approach is the safe in NOTES and common laparoscopic instruments can be used as long as there are no better flexible endoscopes for this purpose. [ABSTRACT FROM AUTHOR]