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Does a Successful Total Mesorectal Excision Require a Learning Curve?

Other Title
전직장간막절제술은 학습곡선을 필요로 하는가?: 단일 시술자에 대한 비교
오, 승엽; 김, 도윤; 박, 종민; 박, 승현; 서, 광욱
Taehan Oekwa Hakhoe, 74(3):207-211, 2008
Journal Title
Taehan Oekwa Hakhoe; 대한외과학회지
Purpose: This study was conducted to determine whether a learning curve is necessary to obtain a successful total mesorectal excision (TME) for mid or low rectal cancer.

Methods: We retrospectively reviewed the records of 80 patients that underwent a total mesorectal excision for mid or low rectal cancer between 1994 and 1998 and between 1999 and 2002. We compared the results between the two period groups. Endpoints were postoperative urological functions and the local recurrence rate.

Results: There was no significant difference for age, gender, tumor differentiation and stage between patients in the two groups. Local recurrence (LR) developed in 23% of patients in the early group and 7.5% of patients in the late group. The cumulative LR risk at 60 months was 27.5% for the early period group and 9.9% for the late period group (P=0.082) and the difference between the two groups was significant for TNM III stage (29.8% vs. 9.8%, P=0.049). Postoperative urological complications were not significantly different between the two groups (P=0.75).

Conclusion: Based on these results, TME seemed to require a learning curve. In clinical trials for rectal cancer surgery, the learning curve for qualified surgery from the standpoint of oncological outcome should be considered to minimize bias due to surgeon-associated factors. A more broad application of the TME concept to a larger number of patients with mid or low rectal cancer is warranted.
Rectal cancerTotal mesorectal excisionLearning curve
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
AJOU Authors
오, 승엽서, 광욱
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