Randomized control trial for evaluation of a hands-free pointer for surgical instruction during laparoscopic cholecystectomy

Surgical Endoscopy
Ana Luisa TrejosChristopher M Schlachta

Abstract

Training surgeons in minimally invasive surgery (MIS) requires surgical residents to operate under the direction of a consultant. The inability of the instructing surgeon to point at the laparoscopic monitor without releasing the instruments remains a barrier to effective instruction. The wireless hands-free surgical pointer (WHaSP) has been developed to aid instruction during MIS. The objective of this study was to evaluate the effectiveness and likeability of the WHaSP as an instructional tool compared with the conventional methods. Data were successfully collected during 103 laparoscopic cholecystectomy procedures, which had been randomized to use or not use the WHaSP as a teaching tool. Audio and video from the surgeries were recorded and analyzed. Instructing surgeons, operating surgeons, and camera assistants provided feedback through a post-operative questionnaire that used a five-level Likert scale. The questionnaire results were analyzed using a Mann-Whitney U test. There were no negative effects on surgery completion time or instruction practice due to the use of the WHaSP. The number of times an instructor surgeon pointed to the laparoscopic screen with their hand was significantly reduced when the WHaSP was utilized...Continue Reading

References

Jun 30, 1998·American Journal of Surgery·A M DerossisJ L Meakins
Sep 30, 2003·The British Journal of Surgery·S BannJ Wong
Nov 1, 2003·BMJ : British Medical Journal·Krishna MoorthyAra Darzi
Nov 18, 2004·The British Journal of Surgery·R AggarwalA Darzi
Apr 23, 2005·American Journal of Obstetrics and Gynecology·Barbara GoffPeter Nielsen
Jan 2, 2009·Surgical Innovation·Shiva JayaramanChristopher M Schlachta

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Citations

Apr 25, 2016·Journal of the American College of Surgeons·Joshua S WinderEric M Pauli
Feb 13, 2018·Health Informatics Journal·Seán Cronin, Gavin Doherty
Oct 24, 2020·International Journal of Computer Assisted Radiology and Surgery·Florian HeinrichChristian Hansen

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