• John R Romanelli, Thomas B Roshek, David C Lynn, and David B Earle.
• Department of Surgery, Baystate Medical Center, Tufts University School of Medicine, 759 Chestnut Street, Springfield, MA 01199, USA. john.romanelli@bhs.org
• Surg Endosc. 2010 Jun 1; 24 (6): 1374-9.

BackgroundAs surgeons embrace the concept of increasingly less invasive surgery, techniques using only a single small incision have begun to gain traction. Several commercially available products have emerged recently. The TriPort system and the SILS Port are single-port devices that allow the surgeon to perform laparoscopic surgery through a 2- to 3-cm periumbilical incision. This study aimed to ascertain whether these devices allow safe and reliable access for laparoscopic cholecystectomy.MethodsFrom March 2008 to June 2009, single-port laparoscopic cholecystectomy was attempted for 22 patients with an average age of 40 years (range, 23-73 years). The data collected prospectively after institutional review board approval included demographics, operative time, complications, and reasons for conversion to standard four-port laparoscopic surgery.ResultsThe operation was completed successfully for 21 of the 22 patients (15 women and 7 men) using five different techniques. The mean body mass index (BMI) of the patients was 32.7 kg/cm(2) (range, 22.3-46.1 kg/cm(2)). Three of the patients had previously undergone laparoscopic Roux-en-Y gastric bypass. The mean operative time was 80.8 min (range, 51-156 min). One patient experienced a Richter's hernia postoperatively, which required a reoperation and subsequent bowel resection. One patient required conversion to a standard four-port laparoscopic cholecystectomy because the articulating instrument could not reach the gallbladder from the umbilicus.ConclusionThe results from the current series show single-port laparoscopic cholecystectomy to be a promising technique. A variety of patient demographics appear suited to this approach. The operative time in this series compares favorably with that for the standard four-port operation. The feasibility of single-port laparoscopic cholecystectomy is now established. However, routine application of this novel technique requires an evaluation of its safety and cost effectiveness in larger studies. In addition, its superiority over standard laparoscopic cholecystectomy in terms of postoperative pain, cosmesis, and overall patient satisfaction requires further study. Refinements in instrumentation will enable wider use of this novel minimally invasive approach.

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