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. 2023 Dec 26;60(1):45.
doi: 10.3390/medicina60010045.

Impact of Assistant Experience on Perioperative Outcomes of Simple and Radical Laparoscopic Nephrectomy: Does It Really Matter?

Francesca Ambrosini  1   2 , Guglielmo Mantica  1   2 , Giovanni Marchi  1   2 , Enrico Vecchio  1   2 , Benedetta Col  1   2 , Luca Gaia Genova  1   2 , Giorgia Trani  1   2 , Arianna Ferrari  1   2 , Carlo Terrone  1   2
Affiliations

Impact of Assistant Experience on Perioperative Outcomes of Simple and Radical Laparoscopic Nephrectomy: Does It Really Matter?

Francesca Ambrosini et al. Medicina (Kaunas). .

Abstract

Background and Objectives: While systematic reviews highlight the advantages of laparoscopic nephrectomy over traditional open surgery, the impact of an assistant's experience on surgical outcomes remains unclear. This study aims to evaluate whether the level of assistant expertise influences laparoscopic nephrectomy outcomes. Materials and Methods: Retrospective data from our institutional database were analyzed for patients who underwent laparoscopic nephrectomy between January 2018 and December 2022. Procedures were performed by a highly experienced surgeon, including postgraduate year (PGY)-3 to PGY-5 residents as assistants. Senior-level assistants had completed at least 10 procedures. Patient characteristics, surgical outcomes, and postoperative details were collected. Multivariable linear and logistic regression models were performed to test the effect of assistant experience (low vs. high) on estimated blood loss (EBL), length of stay (LOS), operative time (OT), and postoperative complications. Results: 105 patients were included, where 53% had highly experienced assistants and 47% had less experienced ones. Low assistant experience and higher BMI predicted longer operative time (OT), confirmed by multivariable regression (β = 40.5, confidence interval [CI] 18.7-62.3, p < 0.001). Assistant experience did not significantly affect EBL or LOS after adjusting for covariates (β = -14.2, CI -91.8-63.3, p = 0.7 and β = -0.83, CI -2.7-1.02, p = 0.4, respectively). There was no correlation between assistant experience and postoperative complications. Conclusions: Assistant experience does not significantly impact complications, EBL, and LOS in laparoscopic nephrectomy. Surgeries with less experienced assistants had longer OT, but the overall clinical impact seems limited. Trainee involvement remains safe, guided by experienced surgeons.

Keywords: assistant experience; laparoscopic surgery; minimally invasive nephrectomy; operative outcomes; surgical training.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Added-variable plot showing the results of multivariable regression model for the operative time.
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