| World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access |
| Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc |
| Journal website https://www.wjon.org |
Original Article
Volume 14, Number 6, December 2023, pages 499-504
Efficiency of the Robotic Platform in Improving the Rate of Sphincter Preservation in Patients With Mid and Low Rectal Cancer
Tables
| Variables | Robotic | Laparoscopic | Open | National |
|---|---|---|---|---|
| ASA: American Society of Anesthesiologists; BMI: body mass index. | ||||
| N | 96 | 96 | 105 | |
| Mean age, years | 65 (36 - 82) | 65 (21 - 85) | 66 (31 - 87) | 66 (31 - 87) |
| BMI, kg/m2 | 27 (19 - 37.7) | 23.5 | 26 (16.8 - 34) | 27 |
| Gender | ||||
| Male | 66 (67%) | 48 (50%) | 74 (70.5%) | 64% |
| Female | 33 (33%) | 48 (50%) | 31 (29.5%) | 32% |
| ASA | ||||
| I | 16 (15%) | 17 (17%) | 12 (11%) | 12 |
| II | 69 (72%) | 68 (68%) | 65 (59%) | 53 |
| III | 11 (13%) | 15 (15%) | 30 (28%) | 27 |
| Stage | ||||
| I | 33 (35%) | 34 (34%) | 41 (39%) | 30% |
| II | 22 (21%) | 24 (24%) | 40 (38%) | 32% |
| III | 32 (34%) | 28 (28%) | 22 (21%) | 33% |
| IV | 4 (4%) | 2 (2%) | 0 (0%) | 5% |
| Not found/pathological complete response | 5 (5%) | 8 (8%) | 2 (2%) | |
| Variables | Robotic | Laparoscopic | Open | National | P value |
|---|---|---|---|---|---|
| Length of stay (median, range), days | 6 (3 - 30) | 8 (4 - 50) | 11 (3 - 134) | 7 (5 - 11) | 0.04 |
| Overall complications | 30% | 49.4% | 69.5% | < 0.001 | |
| Major complications - Clavien-Dindo III-IV | 8 (8.3%) | 7 (7.3%) | 13 (13.6%) | 0.022 |
| Variables | Robotic | Laparoscopic | Open | National | P value |
|---|---|---|---|---|---|
| APR: abdominoperineal resection; CRM: circumferential resection margin; LN: lymph node; TME: total mesorectal excision. | |||||
| N | 96 | 96 | 105 | ||
| Distance from anal verge (median, range), cm | 7 (2 - 10) | 8.5 (3 - 11) | 8.5 (3 - 10) | < 0.001 | |
| Positive CRM | 1% | 7% | 15.5% | 8 | < 0.001 |
| Incomplete TME (Quirke grade III) | 1% | 16% | 17.5% | < 0.001 | |
| LN | 35 (6 - 131) | 29.5 (7 - 80) | 25 (3 - 84) | 0.107 | |
| Conversion | 1% | 3% | 0.125 | ||
| Mortality | 0% | 0% | 1% | 1.8% | 0.908 |
| APR rate | 13.5% | 39.6% | 52.4% | 35% | < 0.001 |
| Distal resection margin (median, range), mm | 18 (1 - 60) | 25 (0 - 90) | 27.5 (0 - 150) | 0.03 | |
| Operative time, min | 320 (220 - 460) | 310.5 (187 - 544) | 261 (133 - 548) | 0.022 | |
| Neoadjuvant | 32% | 54.5% | 72.7% | 34 | < 0.001 |