Article ; Online: Learning curve of optical trocar access during laparoscopic pelvic surgery: A prospective study.
Actas urologicas espanolas
2023 Volume 47, Issue 10, Page(s) 675–680
Abstract: Introduction: The optical trocar access (OTA) is a modified closed technique that aims to minimize the risk of vascular or bowel injuries while reducing the likelihood of gas leakage. A learning curve (LC) effect for OTA has been invoked with n = 30 ... ...
| Abstract | Introduction: The optical trocar access (OTA) is a modified closed technique that aims to minimize the risk of vascular or bowel injuries while reducing the likelihood of gas leakage. A learning curve (LC) effect for OTA has been invoked with n = 30 procedures being considered as a threshold to define expertise. We aim to evaluate the impact of the LC within the first thirty cases of OTA performed by a trainee. Methods: This is a prospective randomized study on 60 patients elected to laparoscopic gynecological surgery. Patients were randomized to have OTA insertion by a junior surgeon or by an expert. LC was evaluated by: 1) insertion time; number of: 2) corrections by the senior; 3) times the tip of the trocar stopped in the preperitoneal layer; 4) mistakes of skin incision; 5) times the tip of the trocar ends under the omentum; 6) complications. To analyze the LC within the first 30 cases, procedures were stratified in 3 groups (cases 1-10; 11-20; 21-30) for both trainee and expert and LC variables were compared. Results: Overall, mean OTA insertion time was 56 s. No major intra- and post-operative complications were recorded. Mean insertion time was statistically significantly longer for the trainee compared to the expert within the first 10 cases (91 vs 33 s respectively, P = .01). For cases 11-20 and 21-30, time advantage of the senior surgeon is less evident (P = .05). The number of times the tip of the trocar stopped in the preperitoneal layer was similar between groups, as well as times the tip of the trocar ends under the omentum. Conclusions: OTA is a fast and simple way to achieve the pneumoperitoneum and first trocar insertion as a single step. The current series confirms the effectiveness of the technique since the beginning of the LC. |
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| MeSH term(s) | Female ; Humans ; Prospective Studies ; Learning Curve ; Laparoscopy/methods ; Abdomen ; Surgical Instruments |
| Language | Spanish |
| Publishing date | 2023-07-11 |
| Publishing country | Spain |
| Document type | Randomized Controlled Trial ; Journal Article |
| ISSN | 2173-5786 |
| ISSN (online) | 2173-5786 |
| DOI | 10.1016/j.acuroe.2023.07.002 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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