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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Surgery 1/2015

Spider surgical system versus multiport laparoscopic surgery: performance comparison on a surgical simulator

Zeitschrift:
BMC Surgery > Ausgabe 1/2015
Autoren:
Domenico Giannotti, Giovanni Casella, Gregorio Patrizi, Giorgio Di Rocco, Lidia Castagneto-Gissey, Alessio Metere, Maria Giulia Bernieri, Anna Rita Vestri, Adriano Redler
Wichtige Hinweise

Competing interests

Drs. Domenico Giannotti, Giovanni Casella, Gregorio Patrizi, Giorgio Di Rocco, Lidia Castagneto-Gissey, Alessio Metere, Maria Giulia Bernieri, Anna Rita Vestri and Adriano Redler have no conflicts of interest or financial ties to disclose.The authors declare that they have no competing interests.

Authors’ contributions

DG, GP, GC designed the study and drafted the manuscript. GDR, LCG, AM collected data and helped drafting the manuscript. ARV, MGB analyzed data. AR critically revised the manuscript. All authors read and approved the final manuscript.

Abstract

Background

The rising interest towards minimally invasive surgery has led to the introduction of laparo-endoscopic single site (LESS) surgery as the natural evolution of conventional multiport laparoscopy. However, this new surgical approach is hampered with peculiar technical difficulties. The SPIDER surgical system has been developed in the attempt to overcome some of these challenges. Our study aimed to compare standard laparoscopy and SPIDER technical performance on a surgical simulator, using standardized tasks from the Fundamentals of Laparoscopic Surgery (FLS).

Methods

Twenty participants were divided into two groups based on their surgical laparoscopic experience: 10 PGY1 residents were included in the inexperienced group and 10 laparoscopists in the experienced group. Participants performed the FLS pegboard transfers task and pattern cutting task on a laparoscopic box trainer. Objective task scores and subjective questionnaire rating scales were used to compare conventional laparoscopy and SPIDER surgical system.

Results

Both groups performed significantly better in the FLS scores on the standard laparoscopic simulator compared to the SPIDER.
Inexperienced group: Task 1 scores (median 252.5 vs. 228.5; p = 0.007); Task 2 scores (median 270.5 vs. 219.0; p = 0.005).
Experienced group: Task 1 scores (median 411.5 vs. 309.5; p = 0.005); Task 2 scores (median 418.0 vs. 331.5; p = 0.007).
Same aspects were highlighted for the subjective evaluations, except for the inexperienced surgeons who found both devices equivalent in terms of ease of use only in the peg transfer task.

Conclusions

Even though the SPIDER is an innovative and promising device, our study proved that it is more challenging than conventional laparoscopy in a population with different degrees of surgical experience. We presume that a possible way to overcome such challenges could be the development of tailored training programs through simulation methods. This may represent an effective way to deliver training, achieve mastery and skills and prepare surgeons for their future clinical experience.
Literatur
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