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  • Title: A novel end point to assess a resident's ability to perform hand-assisted versus straight laparoscopy for left colectomy: is there really a difference?
    Author: Champagne BJ, Lee EC, Valerian B, Armstrong D, Ambroze W, Orangio G.
    Journal: J Am Coll Surg; 2008 Oct; 207(4):554-9. PubMed ID: 18926459.
    Abstract:
    BACKGROUND: It has been suggested that hand-assisted colectomy (HAC) may help residents progress along the learning curve, but there is currently no evidence to support this claim. Previous studies address procedures performed by staff surgeons or residents at various skill levels and report operative times and conversion rates as their primary end points. We measured the percentage of cases completed by a resident as the operating surgeon as the primary end point to determine the most effective approach for teaching laparoscopic colectomy. STUDY DESIGN: All patients who underwent left-sided HAC or straight laparoscopic colectomy (SLC) by a single resident starting as the primary surgeon were included. If the assisting attending physician assumed the role of the operating surgeon during the case, it was recorded as an incomplete case for the resident. Operative times and conversions were included as secondary end points. RESULTS: A single resident started 147 laparoscopic colectomies as the primary surgeon during residency and colorectal fellowship, including 81 left-sided procedures. There were 44 patients in the HAC group and 37 SLC patients. Cases done by straight laparoscopy were more likely to be completed by the resident than those done by HAC (SLC, 88%; HAC, 72%; p=0.06). There were also differences in mean operative time favoring SLC (HAC, 142 minutes [range 100 to 170 minutes] versus SLC, 133 minutes [range 95 to 195 minutes]; p=0.04). Complications were similar in the 2 groups (HAC, 19% versus SLC, 21%), as were conversions (HAC, 5.6% versus SLC, 4.5%). CONCLUSIONS: Both hand-assisted and straight laparoscopic techniques for left colectomy can be applied to successfully train surgical residents with the assistance of a staff surgeon outside of their learning curve. Residents and colorectal fellows may have more success completing straight laparoscopic colectomy than adjusting to the novel hand-assisted approach during training.
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