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Lee MR, Li WM, Li CC, Chou YH, Wu WJ, Juan YS, Ke HL, Wen SC, Lee HY, Chien TM. Cumulative sum analysis of the learning curve of laparoendoscopic single-site robot-assisted radical prostatectomy. Asian J Surg 2023; 46:3614-3619. [PMID: 36813677 DOI: 10.1016/j.asjsur.2023.02.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/31/2023] [Accepted: 02/09/2023] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Radical prostatectomy has become the gold standard for treating localized prostate cancer. Improvement in the single-site technique and surgeon's skill reduces not only the hospital duration but also the number of wounds. Realizing the learning curve for a new procedure can prevent unnecessary mistakes. OBJECTIVE To analyze the learning curve of extraperitoneal laparoendoscopic single-site robot-assisted radical prostatectomy (LESS-RaRP). METHODS We retrospectively evaluated 160 patients diagnosed with prostate cancer during June 2016 to December 2020 who underwent extraperitoneal LESS-RaRP. Calculated cumulative sum analysis (CUSUM) was used to evaluate the learning curves for the extraperitoneal setting time, robotic console time, total operation time, and blood loss. The operative and functional outcomes were also assessed. RESULTS The learning curve of the total operation time was observed in 79 cases. For the extraperitoneal setting and robotic console times, the learning curve was observed in 87 and 76 cases, respectively. The learning curve for blood loss was observed in 36 cases. No in-hospital mortality or respiratory failure was observed. CONCLUSION Extraperitoneal LESS-RaRP using the da Vinci Si system is safe and feasible. Approximately 80 patients are required to achieve a stable and consistent operative time. A learning curve for blood loss was observed after 36 cases.
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Affiliation(s)
- Ming-Ru Lee
- Department of Urology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan; Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Wei-Ming Li
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Urology, Ministry of Health and Welfare, Pingtung Hospital, Pingtung, Taiwan.
| | - Ching-Chia Li
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Yii-Her Chou
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Wen-Jeng Wu
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Yung-Shun Juan
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Hung-Lung Ke
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan.
| | - Sheng-Chen Wen
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Hsiang-Ying Lee
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Tsu-Ming Chien
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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