Comparison of conventional laparoscopic and hand-assisted oncologic segmental colonic resection
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Laparoscopically assisted colon resection has evolved to be a viable option for the treatment of colorectal cancer. This study evaluates the efficacy of hand-assisted laparascopic surgery (HALS) as compared with totally laparoscopic surgery (LAP) for segmental oncologic colon resection with regard to lymph node harvest, operative times, intraoperative blood loss, pedicle length, incision length, and length of hospital stay in an attempt to help delineate the role of each in the treatment of colorectal cancer.
Patient charts were retrospectively reviewed to acquire data for this evaluation. Between June 2001 and July 2005, 40 patients underwent elective oncologic segmental colon resection (22 HALS and 18 LAP). The main outcome measures included lymph node harvest, operative times, intraoperative blood loss, pedicle length, incision length, and length of hospital stay.
The two groups were comparable in terms of demographics. The tumor margins were clear in all the patients. The HALS resection resulted in a significantly higher lymph node yield than the LAP resection (HALS: 16 nodes; range, 5–35 nodes vs LAP: 8 nodes; range, 5–22 nodes; p < 0.05) and significantly shorter operative times (HALS: 120 min; range, 78–181 min vs LAP: 156 min; range, 74–300 min; p < 0.05). Both groups were comparable with regard to length of hospital stay, pedicle length, and intraoperative blood loss. However, the LAP group yielded a significantly smaller incision for specimen extraction (LAP: 7 cm; range, 6–8 cm vs HALS: 5.5 cm; range, 5–7 cm; p < 0.05).
The findings suggest that hand-assisted laparoscopic oncologic segmental colonic resection is associated with shorter operative times, more lymph nodes harvested, and equivalent hospital stays, pedicle lengths, and intraoperative blood losses as compared with the totally laparoscopic approach. The totally laparoscopic technique was completed with a smaller incision. However, this less than 1 cm reduction in incision length has doubtful clinical significance.
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- Comparison of conventional laparoscopic and hand-assisted oncologic segmental colonic resection
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