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Abstract
Objective: Application and assessment the early results of Transanal Total Mesorectal Excision (TaTME) for treatment of the mid and low rectal cancer.
Subject and method: A prospective cohort study in 40 patients (27 men and 13 women), mid and low rectal cancer, underwent TaTME in Gastrointestinal Surgery Derpartment, 108 Millitary Central Hospital, from July 2017 to July 2018.
Results: Pre-operative stage were mrTx: 12.5%, mrT2: 10%, mrT3: 65%, mrT4a: 12.5%; mrN (+): 80%, mrN(-): 12.5%, mrNx: 7.5%. The mean age was 65.20 ± 11.33 years, the mean body mass index 20.2 ± 2.4 kg/m2. Low rectal cancer: 52.5% and mid rectal cancer: 47.5%. The mean operating time was 143.63 ± 22.18 minutes. Operative morbidity rate was 32.5%, no operative mortality. The TME specimen was complete in 80%, nearly complete in 15%, the distal resection margin negative rate was 100% and the circumferential resection margin negative rate was 92.5%; The mean number of harvested lymph nodes was 4.74 ± 3.77; Postoperative stage were pT0: 5%, pT2: 30%, pT3: 57.5%, pT4a: 7.5%, pN(-): 65%, pN(+): 35%. The anorectal function according to the Kirwan classification had good and very good after operation: 1st month: 6,7%; 2nd month: 42,9% and after 6th month:100%.
Conclusion: The TaTME technique is feasible and safe, the good early outcomes, the high-quality of TME specimens and sphincter-sparing resections for treatment in mid and low rectal cancer.
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