Multidimensional analysis of the learning curve for laparoscopic colorectal surgery in a regional hospital: the implemen
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RESEARCH ARTICLE
Open Access
Multidimensional analysis of the learning curve for laparoscopic colorectal surgery in a regional hospital: the implementation of a standardized surgical procedure counterbalances the lack of experience Ioannis G. Gkionis1* , Mathaios E. Flamourakis1, Eleni S. Tsagkataki1, Eleni I. Kaloeidi1, Konstantinos G. Spiridakis1, Georgios E. Kostakis1, Athanasios K. Alegkakis2 and Manousos S. Christodoulakis1
Abstract Background: Although a larger proportion of colorectal surgeries have been performed laparoscopically in the last few years, a steep learning curve prevents us from considering laparoscopic colorectal surgery as the gold standard technique for treating disease entities in the colon and rectum. The purpose of this single centre study was to determine, using various parameters and following a well-structured and standardized surgical procedure, the adequate number of cases after which a single surgeon qualified in open surgery but with no previous experience in laparoscopic colorectal surgery and without supervision, can acquire proficiency in this technique. Methods: From 2012 to 2019, 112 patients with pathology in the rectum and colon underwent laparoscopic colorectal resection by a team led by the same surgeon. The patients were divided into two groups (group A:50 – group B:62) and their case records and histopathology reports were examined for predefined parameters, statistically analysed and compared between groups. Results: There was no significant difference between groups in the distribution of conversions (p = 0.635) and complications (p = 0.637). Patients in both groups underwent surgery for the same median number of lymph nodes (p = 0.145) and stayed the same number of days in the hospital (p = 0.109). A statistically important difference was found in operation duration both for the total (p = 0.006) and for each different type of colectomy (sigmoidectomy: p = 0.026, right colectomy: p = 0.013, extralevator abdominoperineal resection: p = 0.050, low anterior resection: p = 0.083). Conclusions: Taking into consideration all the parameters, it is our belief that a surgeon acquires proficiency in laparoscopic colorectal surgery after performing at least 50 diverse cases with a well structured and standardized surgical procedure. Keywords: Learning curve, Colorectal, Laparoscopy, Standardized surgical procedure, Without supervision
*Correspondence: [email protected] 1 Department of General Surgery, Venizeleio General Hospital, Leoforos Knossou 44, Heraklion, Crete, Greece Full list of author information is available at the end of the article
Background Although the feasibility and oncologic efficacy of laparoscopic surgery for the treatment of inflammatory, benign and malignant disease entities in the colon and rectum
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