Evaluation of laparoscopic performance with alteration in angle of vision

Journal of Endourology
Caroline AmesJaime Landman

Abstract

Optimal placement allows intuitive laparoscope positioning between two working trocars (0 degrees angle). However, this configuration may require the assistant to operate in an awkward position. We evaluated the effect of alteration of laparoscope position on surgeon performance and correlated this with surgical experience. Participants were stratified by laparoscopic experience. Group 1 (N = 10) was naïve (no surgical experience), group 2 (N = 7) had moderate laparoscopic experience (1-100 cases), and group 3 (N = 6) was laparoscopically experienced (>100 cases). Participants were timed performing a simple laparoscopic task three times in a trainer with camera angles randomized along the horizontal plane: 0 degrees , 45 degrees , 90 degrees , 135 degrees , and 180 degrees . All participants showed progressive deterioration in performance as the angle deviated from baseline. The mean time required to complete the tasks was significantly higher for group 1 v groups 2 and 3 at 135 degrees (158 v 77 and 73 seconds) and 180 degrees (153 v 89 and 86 seconds). Performance curves for each group revealed more pronounced deterioration of performance with alteration in the angle of vision in group 1 than in groups 2 and 3 (P < 0.01). The...Continue Reading

References

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Citations

May 18, 2012·Journal of Endourology·Zachariah G GoldsmithMichael N Ferrandino
Nov 13, 2008·Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a·Christopher J PrendergastFrancois I Luks
Jun 22, 2011·Annals of Surgery·Mikael H SodergrenGuang-Zhong Yang
Dec 11, 2007·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Mirna Lerotic, Guang-Zhong Yang
Dec 18, 2013·Asian Journal of Endoscopic Surgery·Masakazu TokunagaHideki Ohdan
Mar 25, 2016·The Indian Journal of Surgery·Weimin YuStéphane Larré
Jul 28, 2012·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Ankeet D UdaniEdward R Mariano
Jan 2, 2009·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Arturo Minor MartínezJose Luis Ortiz Simon
Sep 5, 2021·Scientific Reports·Christopher L HewitsonDavid M Kaplan

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