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Cost Reductive Laparoendoscopic Single Site Surgery Endotrainer and Animal Lab Training—Our Methodology

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      Abstract

      Laparoendoscopic single site surgery (LESS) is a new avenue in laparoscopic urology. The main advantage is the enhanced cosmetic benefits of single hidden scar. Lately many papers are being published on various procedures done by LESS. Like conventional laparoscopy, this approach is likely to be used more widely and hence exposure to this field is essential. However, formal training in this technique is not widely available. Expensive ports and nonavailability of endotrainer may be the factors deterring the training. We have modified the standard laparoscopic endotrainer with improvised ports, to make it suitable for single port laparoscopic training. For the animal lab training improvised ports and low cost instruments were used. Thus the overall cost of the training in LESS was reduced, and better confidence levels were achieved prior to human applications.

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      Most cited references 11

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      Laparoscopic nephrectomy: initial case report.

      A tumor-bearing right kidney was completely excised from an 85-year-old woman using a laparoscopic approach. A newly devised method for intra-abdominal organ entrapment and a recently developed laparoscopic tissue morcellator made it possible to deliver the 190 gm. kidney through an 11 mm. incision.
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        Laparoendoscopic single-site surgery: initial hundred patients.

        To report our initial experience with laparoendoscopic single-site (LESS) surgery in 100 patients in urology. Between October 2007 and December 2008, we performed LESS urologic procedures in 100 patients for various indications. These included nephrectomy (N = 34; simple 14, radical 3, donor 17), nephroureterectomy (N = 2), partial nephrectomy (N = 6), pyeloplasty (N = 17), transvesical simple prostatectomy (N = 32), and others (N = 9). Data were prospectively collected in a database approved by the Institutional Review Board. All procedures were performed using a novel single-port device (r-Port) and a varying combination of standard and specialized bent/articulating laparoscopic instruments. Robotic assistance was used to perform LESS pyeloplasty (N = 2) and simple prostatectomy (N = 1). In addition to standard perioperative data, we obtained data on postdischarge analgesia requirements, time to complete convalescence, and time to return to work. In the study period, LESS procedures accounted for 15% of all laparoscopic cases by the authors for similar indications. Conversion to standard multiport laparoscopy was necessary in 3 cases, addition of a single 5-mm port was necessary in 3 cases, and conversion to open surgery was necessary in 4 cases. On death occurred following simple prostatectomy in a Jehovah's Witness due to patient refusal to accept transfusion following hemorrhage. Intra- and postoperative complications occurred in 5 and 9 cases, respectively. Mean operative time was 145, 230, 236, and 113 minutes and hospital stay was 2, 2.9, 2, and 3 days for simple nephrectomy, donor nephrectomy, pyeloplasty, and simple prostatectomy, respectively. The LESS surgery is technically feasible for a variety of ablative and reconstructive applications in urology. With proper patient selection, conversion and complications rates are low. Improvement in instrumentation and technology is likely to expand the role of LESS in minimally invasive urology.
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          Single-incision, umbilical laparoscopic versus conventional laparoscopic nephrectomy: a comparison of perioperative outcomes and short-term measures of convalescence.

          Recent reports have suggested that single-port or single-incision laparoscopic surgery (SILS) is technically feasible. To present a comparison between SILS and conventional laparoscopic nephrectomy with respect to perioperative outcomes and short-term measures of convalescence. This was a case-control study comparing 11 SILS nephrectomies (cases) and 22 conventional laparoscopic nephrectomies (controls) performed from September 2004 to April 2008. The control group was matched in a 2:1 ratio to SILS cases with respect to patient age, surgical indication, and tumor size. A single surgeon performed all SILS nephrectomy cases using three adjacent 5-mm trocars inserted through a single 2.5-cm periumbilical incision. Demographics, operative time, blood loss, perioperative complications, transfusion requirement, decrease in serum hemoglobin, analgesic requirement, length of stay, and final pathology were compared. Mean patient age was 53 yr for both groups, with more females in the SILS cohort (82% vs 41%). Nephrectomy was performed for benign disease in 45% of the cases. Median tumor size was 5.5 cm for both groups, and all but one suspected malignancy was renal cell carcinoma on final pathology. There was no difference between SILS and conventional laparoscopy cases in median operative time (122 min vs 125 min, p=0.78), percent decrease from preoperative hemoglobin (14.1% vs 15.8%, p=0.52), analgesic use (8 morphine equivalents vs 15 morphine equivalents, p=0.69), length of stay (49 h vs. 53 h, p=0.44), or complication rate (0% for both). The SILS group did have a lower recorded median estimated blood loss (20 ml vs 100ml, p=0.001). This study is retrospective and is susceptible to all limitations and biases inherent in such a design. SILS nephrectomy is feasible with perioperative outcomes and short-term measures of convalescence comparable to conventional laparoscopic nephrectomy. Although SILS may offer a subjective cosmetic advantage, prospective comparison is needed to more clearly define its role.
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            Author and article information

            Affiliations
            1Department of Urology, PSG Institute of Medical Sciences & Research, Peelamedu, Coimbatore 641004, India
            2Urology Clinic, 3 Gowtham Annexe, 1054 Avinashi Road, Coimbatore 641 018, India
            Author notes
            *Manickam Ramalingam: uroram@ 123456yahoo.com

            Academic Editor: Pedro F. Escobar

            Journal
            Diagn Ther Endosc
            DTE
            Diagnostic and Therapeutic Endoscopy
            Hindawi Publishing Corporation
            1070-3608
            1029-0516
            2010
            18 February 2010
            : 2010
            2825544
            20182530
            10.1155/2010/598165
            Copyright © 2010 Manickam Ramalingam et al.

            This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

            Categories
            Clinical Study

            Radiology & Imaging

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