Transanal minimally invasive surgery: impact on quality of life and functional outcome

Background: Transanal minimally invasive surgery (TAMIS) is emerging as an alternative to transanal endoscopic microsurgery. Quality of life (QOL) and functional outcome are important aspects when valuing a new technique. The aim of this prospective study was to assess both functional outcome and QOL after TAMIS. Methods: From 2011 to 2013, patients were prospectively studied prior to and at least 6 months after TAMIS for rectal adenomas and low-risk T1 carcinomas using a single-site laparoscopy port. Functional outcome was determined using the Faecal Incontinence Severity Index (FISI). Quality of life was measured using functional [Faecal Incontinence Quality of Life (FIQL)] and generic (EuroQol EQ-5D) questionnaires. Results: The study population consisted of 24 patients 13 men, median age 59 (range 42–83) with 24 tumours [median distance from the dentate line 8 cm (range 2–17 cm); median tumour size 6 cm2 (range 0.25–51 cm2); 20 adenomas; 4 low-risk T1 carcinomas]. Post-operative complications occurred in one patient (4 %; grade IIIb according to Clavien Dindo classification). Compared to baseline, FISI remained unaffected (9.8 vs 7.3; P = 0.26), FIQL remained unaffected, and EuroQol EQ-5D improved (EQ-VAS: 77 vs 83; P = 0.04). Conclusion: There was no detrimental effect of TAMIS on anorectal function. Overall QOL was improved after TAMIS, probably due to removal of the tumour, and at 6 months was equal to the general population.

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