ArticleSurgical endoscopy2026
Cumulative institutional experience and console time in robot-assisted right-sided colectomy: a single-center experience with two sequentially introduced robotic platforms.
Article in Surgical endoscopy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe learning curve plays a central role in determining operative efficiency in robotic colorectal surgery. With the emergence of multiple robotic platforms, including the da Vinci and the hinotori systems, it remains unclear whether operative efficiency during the early phase of program adoption is influenced more by platform-specific characteristics or by cumulative institutional experience.
methodsThis single-center retrospective study included 46 consecutive patients who underwent robot-assisted right-sided colectomy, including right hemicolectomy and ileocecal resection (27 da Vinci; 19 hinotori). Console time was defined as the duration of robotic console manipulation and was log-transformed for regression analyses. Factors associated with console time were evaluated using univariable and multivariable linear regression analyses. The correlation between console time and total operative time was assessed using Pearson's correlation coefficient.
resultsNo statistically significant differences in measured patient characteristics were observed between the two groups. Neither total operative time nor console time differed significantly between the two platforms, whereas docking time was longer with the hinotori system (13 vs 8 min, P < 0.001). In univariable analyses, robotic platform and operation method were not significantly associated with console time and did not meet the prespecified criterion for inclusion in the multivariable model. In the multivariable analysis, cumulative case number remained associated with shorter console time (β = -0.033 per 10 cases, 95% CI -0.064 to -0.001; P = 0.043). Console time demonstrated a strong positive correlation with total operative time (r = 0.719, P < 0.001).
conclusionsCumulative institutional experience was associated with shorter console time in robot-assisted right-sided colectomy. However, because robotic platform introduction and accumulated experience were inherently related over time in this sequential platform adoption setting, their individual effects could not be fully disentangled. These findings should be interpreted as hypothesis-generating.
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