Complications and conversions of upper tract urological laparoendoscopic single-site surgery (LESS)

Multicentre experience: Results from the NOTES Working Group

Brian H. Irwin, Jeffrey A. Cadeddu, Chad R. Tracy, Fernando J. Kim, Wilson R. Molina, Abhay Rane, Chandru Sundaram, James H. Raybourn, Robert J. Stein, Inderbir S. Gill, Louis R. Kavoussi, Lee Richstone, Mihir M. Desai

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

OBJECTIVE • To present complications and rates of conversion from LESS to conventional laparoscopy (CL) at the time of upper tract LESS urologic procedures. PATIENTS AND METHODS • Patients undergoing LESS upper tract procedures between September, 2007 and November, 2008 (n = 125) were identified at six high-volume academic centers pioneering urologic LESS procedures. All LESS procedures were performed transperitoneally via a single umbilical incision using either adjacent conventional trocars or a dedicated single-site access device. Reconstructive procedures incorporating a single planned 2 mm accessory needle port were included as LESS procedures and were not considered conversions. • Patients, undergoing LESS procedures requiring conversion to CL with the placement of additional ports were identified. Conversion was defined as the placement of additional 5 or 10/12 mm ports beyond the primary incision. In each case the operative reports were reviewed, the reason for conversion was determined, and the number and types of additional ports and complications were noted. RESULTS • Upper tract LESS procedures were performed in 125 patients comprising 13.3% of the total 937 laparoscopic procedures performed at the participating institutions during this time period. Conversion to CL was necessary in 7 patients (5.6%) undergoing LESS requiring the addition of 2-5 ports. • Reasons for conversion included: facilitate dissection in 3 (43%), facilitate reconstruction in 3 (43%), and control of bleeding in 1 (14%). All attempted LESS cases were completed laparoscopically without need for open conversion. • Complications occurred in 15.2% of patients undergoing LESS surgery. Three of the 7 patients that required conversion to CL developed postoperative complications (Clavien grade II in two and IIIa in one). • Limitations of this study included the inability to standardize LESS patient selection criteria, instrumentation and surgical technique as well as the lack of available complete data from a CL control group for comparison. CONCLUSION • LESS surgery is technically feasible for a variety of upper urinary tract reconstructive and ablative procedures, although it appears to be associated with higher rates of complications than in mature CL series. Conversion to CL occurs infrequently and may be a reflection of stringent patient selection.

Original languageEnglish
Pages (from-to)1284-1289
Number of pages6
JournalBJU International
Volume107
Issue number8
DOIs
StatePublished - Apr 2011

Fingerprint

Laparoscopy
Patient Selection
Umbilicus
Urinary Tract
Surgical Instruments
Needles
Dissection
Hemorrhage
Equipment and Supplies
Control Groups

Keywords

  • complications
  • laparoscopy
  • LESS
  • single port
  • single site

ASJC Scopus subject areas

  • Urology

Cite this

Complications and conversions of upper tract urological laparoendoscopic single-site surgery (LESS) : Multicentre experience: Results from the NOTES Working Group. / Irwin, Brian H.; Cadeddu, Jeffrey A.; Tracy, Chad R.; Kim, Fernando J.; Molina, Wilson R.; Rane, Abhay; Sundaram, Chandru; Raybourn, James H.; Stein, Robert J.; Gill, Inderbir S.; Kavoussi, Louis R.; Richstone, Lee; Desai, Mihir M.

In: BJU International, Vol. 107, No. 8, 04.2011, p. 1284-1289.

Research output: Contribution to journalArticle

Irwin, BH, Cadeddu, JA, Tracy, CR, Kim, FJ, Molina, WR, Rane, A, Sundaram, C, Raybourn, JH, Stein, RJ, Gill, IS, Kavoussi, LR, Richstone, L & Desai, MM 2011, 'Complications and conversions of upper tract urological laparoendoscopic single-site surgery (LESS): Multicentre experience: Results from the NOTES Working Group', BJU International, vol. 107, no. 8, pp. 1284-1289. https://doi.org/10.1111/j.1464-410X.2010.09663.x
Irwin, Brian H. ; Cadeddu, Jeffrey A. ; Tracy, Chad R. ; Kim, Fernando J. ; Molina, Wilson R. ; Rane, Abhay ; Sundaram, Chandru ; Raybourn, James H. ; Stein, Robert J. ; Gill, Inderbir S. ; Kavoussi, Louis R. ; Richstone, Lee ; Desai, Mihir M. / Complications and conversions of upper tract urological laparoendoscopic single-site surgery (LESS) : Multicentre experience: Results from the NOTES Working Group. In: BJU International. 2011 ; Vol. 107, No. 8. pp. 1284-1289.
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AU - Tracy, Chad R.

AU - Kim, Fernando J.

AU - Molina, Wilson R.

AU - Rane, Abhay

AU - Sundaram, Chandru

AU - Raybourn, James H.

AU - Stein, Robert J.

AU - Gill, Inderbir S.

AU - Kavoussi, Louis R.

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N2 - OBJECTIVE • To present complications and rates of conversion from LESS to conventional laparoscopy (CL) at the time of upper tract LESS urologic procedures. PATIENTS AND METHODS • Patients undergoing LESS upper tract procedures between September, 2007 and November, 2008 (n = 125) were identified at six high-volume academic centers pioneering urologic LESS procedures. All LESS procedures were performed transperitoneally via a single umbilical incision using either adjacent conventional trocars or a dedicated single-site access device. Reconstructive procedures incorporating a single planned 2 mm accessory needle port were included as LESS procedures and were not considered conversions. • Patients, undergoing LESS procedures requiring conversion to CL with the placement of additional ports were identified. Conversion was defined as the placement of additional 5 or 10/12 mm ports beyond the primary incision. In each case the operative reports were reviewed, the reason for conversion was determined, and the number and types of additional ports and complications were noted. RESULTS • Upper tract LESS procedures were performed in 125 patients comprising 13.3% of the total 937 laparoscopic procedures performed at the participating institutions during this time period. Conversion to CL was necessary in 7 patients (5.6%) undergoing LESS requiring the addition of 2-5 ports. • Reasons for conversion included: facilitate dissection in 3 (43%), facilitate reconstruction in 3 (43%), and control of bleeding in 1 (14%). All attempted LESS cases were completed laparoscopically without need for open conversion. • Complications occurred in 15.2% of patients undergoing LESS surgery. Three of the 7 patients that required conversion to CL developed postoperative complications (Clavien grade II in two and IIIa in one). • Limitations of this study included the inability to standardize LESS patient selection criteria, instrumentation and surgical technique as well as the lack of available complete data from a CL control group for comparison. CONCLUSION • LESS surgery is technically feasible for a variety of upper urinary tract reconstructive and ablative procedures, although it appears to be associated with higher rates of complications than in mature CL series. Conversion to CL occurs infrequently and may be a reflection of stringent patient selection.

AB - OBJECTIVE • To present complications and rates of conversion from LESS to conventional laparoscopy (CL) at the time of upper tract LESS urologic procedures. PATIENTS AND METHODS • Patients undergoing LESS upper tract procedures between September, 2007 and November, 2008 (n = 125) were identified at six high-volume academic centers pioneering urologic LESS procedures. All LESS procedures were performed transperitoneally via a single umbilical incision using either adjacent conventional trocars or a dedicated single-site access device. Reconstructive procedures incorporating a single planned 2 mm accessory needle port were included as LESS procedures and were not considered conversions. • Patients, undergoing LESS procedures requiring conversion to CL with the placement of additional ports were identified. Conversion was defined as the placement of additional 5 or 10/12 mm ports beyond the primary incision. In each case the operative reports were reviewed, the reason for conversion was determined, and the number and types of additional ports and complications were noted. RESULTS • Upper tract LESS procedures were performed in 125 patients comprising 13.3% of the total 937 laparoscopic procedures performed at the participating institutions during this time period. Conversion to CL was necessary in 7 patients (5.6%) undergoing LESS requiring the addition of 2-5 ports. • Reasons for conversion included: facilitate dissection in 3 (43%), facilitate reconstruction in 3 (43%), and control of bleeding in 1 (14%). All attempted LESS cases were completed laparoscopically without need for open conversion. • Complications occurred in 15.2% of patients undergoing LESS surgery. Three of the 7 patients that required conversion to CL developed postoperative complications (Clavien grade II in two and IIIa in one). • Limitations of this study included the inability to standardize LESS patient selection criteria, instrumentation and surgical technique as well as the lack of available complete data from a CL control group for comparison. CONCLUSION • LESS surgery is technically feasible for a variety of upper urinary tract reconstructive and ablative procedures, although it appears to be associated with higher rates of complications than in mature CL series. Conversion to CL occurs infrequently and may be a reflection of stringent patient selection.

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