The double stapling technique for low anterior resection of rectal carcinoma

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Abstract
The double stapling technique (TA-55® and EEA® staplers) was used to perform low anterior resections for rectal carcinomas in 79 patients (49 men, 30 women). The mean age was 66 years (range, 38 to 85 years). Curative resections were performed in 68 patients, and palliative resections in 11 patients. The mean level of the cancer from the dentate line was 9 cm (range, 5 to 16 cm). The mean follow-up has been 29 months (range, four to 58 months). Perioperative mortality was 2.5 percent (two patients). Technical problems related to the stapling technique occurred in 6 percent (five patients). The clinical anastomotic leak rate was 8 percent (six patients). There were 11 local recurrences among 68 curative resections (16 percent). Local recurrence according to individual surgeon showed marked variability (range, 0-43 percent, P>0.05). There were no differences in location, differentiation, or stage in those that recurred. The mean distal resection margin for the recurrent cancer group was 3.0 cm and for the nonrecurrent group, 2.9 cm. Disturbances of continence were seen commonly (56 percent) in the first three months after surgery, but 85 percent of patients became fully continent with an acceptable bowel habit at later follow-up. The double stapling technique is useful for the restorative resection of suitable mid and low rectal cancers. The anastomotic leak rate, local recurrence rate, and functional results are acceptable.