Learning curve for robot-assisted laparoscopic radical prostatectomy for pathologic T2 diseaseopen access
- Authors
- Lee, Jae Won; Jeong, Woo Ju; Park, Sung Yul; Loreazo, Enrique I. S.; Oh, Cheol Kyu; Rha, Koon Ho
- Issue Date
- Jan-2010
- Publisher
- The Korean Urological Association
- Keywords
- Laparoscopy; Learning; Prostatectomy; Prostatic neoplasms; Robotics
- Citation
- Korean Journal of Urology, v.51, no.1, pp.30 - 33
- Indexed
- SCOPUS
KCI
- Journal Title
- Korean Journal of Urology
- Volume
- 51
- Number
- 1
- Start Page
- 30
- End Page
- 33
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175557
- DOI
- 10.4111/kju.2010.51.1.30
- ISSN
- 2005-6737
- Abstract
- Purpose: To investigate the learning curve for robot-assisted laparoscopic radical prostatectomy (RALP) for pathologic T2 disease, we examined differences in perioperative outcomes according to time period. Materials and Methods: Between July 2005 and June 2008, a total of 307 consecutive patients underwent RALP for prostate cancer and 205 patients had pathologic T2 disease. Patients were grouped into 6-month time periods. We collected and examined the patient's perioperative data including age, body mass index (BMI), prostate-specific antigen (PSA), operation time, estimated blood loss, and positive surgical margin. Results: There were no significant differences among the groups in age (p=0.705), BMI (p=0.246), PSA (p=0.425), or prostate volume (p=0.380). Operation time (p<0.001) and estimated blood loss (p<0.001) decreased significantly with time. The positive surgical margin rate also showed a decreasing trend, but this was not significant (p=0.680). Conclusions: Operation time and estimated blood loss had a steep learning curve during the early 24 cases and then stabilized. A positive surgical margin rate, however, did not have a significant learning curve, although the positive surgical margin decreased continuously.
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