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  • Title: Robotic male and laparoscopic female sphincter-preserving total mesorectal excision of mid-low rectal cancer share similar specimen quality, complication rates and long-term oncological outcomes.
    Author: Aliyev V, Piozzi GN, Huseynov E, Mustafayev TZ, Kayku V, Goksel S, Asoglu O.
    Journal: J Robot Surg; 2023 Aug; 17(4):1637-1644. PubMed ID: 36943657.
    Abstract:
    The aim of this study was to compare perioperative and long-term oncological outcomes between laparoscopic sphincter-preserving total mesorectal excision in female patients (F-Lap-TME) and robotic sphincter-preserving total mesorectal excision in male patients (M-Rob-TME) with mid-low rectal cancer (RC). A retrospective analysis of a prospectively maintained database was performed. 170 cases (F-Lap-TME: 60 patients; M-Rob-TME: 110 patients) were performed by a single surgeon (January 2011-January 2020). Clinical characteristics did not differ significantly between the two groups. Operating time was longer in M-Rob-TME than in F-Lap-TME group (185.3 ± 28.4 vs 124.5 ± 35.8 min, p < 0.001). There was no conversion to open surgery in both groups. Quality of mesorectum was complete/near-complete in 58 (96.7%) and 107 (97.3%) patients of F-Lap-TME and M-Rob-TME (p = 0.508), respectively. Circumferential radial margin involvement was observed in 2 (3.3%) and 3 (2.9%) in F-Lap-TME and M-Rob-TME patients (p = 0.210), respectively. Median length of follow-up was 62 (24-108) months in the F-Lap-TME and 64 (24-108) months in the M-Rob-TME group. Five-year overall survival rates were 90.5% in the F-Lap-TME and 89.6% in the M-Rob-TME groups (p = 0.120). Disease-free survival rates in F-Lap-TME and M-Rob-TME groups were 87.5% and 86.5% (p = 0.145), respectively. Local recurrence rates were 5% (n = 3) and 5.5% (n = 6) (p = 0.210), in the F-Lap-TME and M-Rob-TME groups, respectively. The robotic technique can potentially overcome some technical challenges related to the pelvic anatomical difference between sex compared to laparoscopy. Laparoscopic and robotic approach, respectively in female and male patients provide similar surgical specimen quality, perioperative outcomes, and long-term oncological results.
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