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Laparoscopic skills training is essential and has been correlated with intraoperative performance. There are a number of training curricula developed to shorten the laparoscopic learning curve. Laparoscopic suturing is an advanced technique of laparoscopic skills that requires high level of hand-eye coordination.
After obtaining basic laparoscopic skills, the trainees traditionally progress to learn intracorporeal suturing by serially repeating the multiple steps required to complete laparoscopic suture. It has been advocated that teaching of complex laparoscopic task should be divided into necessary steps. Therefore, the steps of intracorporeal suturing can be broken down into discrete blocks, such as needle pick up, passing needle, and forming a knot. The learner is to repetitively practice one step in one block to master the required skill before moving on to the next block. This form of blocked practice has been recognized effective and efficient for motor skill acquisition.
We established stepwise training program for laparoscopic intracorporeal suturing based on the concept of blocked practice for the medical students and surgical trainees in our institution. It is our hypothesis that the stepwise program will improve laparoscopic suturing techniques of the participants. The purpose of this study is to assess the learning outcomes of laparoscopic suturing learning outcomes after our novel stepwise training program.
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Application for Institution Review Board approval.
Voluntary participants were recruited from 5th-graded medical students, surgical trainees, and attending surgeons in single institution. An informed consent was obtained from the participants. The training courses and tests for medical students, surgical trainees and attending surgeons were described as follows:
The medical students watched a pre-course video of laparoscopic suturing, followed by two 2-hour courses of stepwise training for laparoscopic suturing. A test of the standard laparoscopic suturing task was performed immediately after each course.
The surgical trainees took single 2-hour course of stepwise training without watching the pre-course video. A test of the standard laparoscopic suturing task was performed before and after the course.
Attending surgeons were invited to take the test as controls without joining the course.
Equipment and laparoscopic task The training and task were performed on iSuture laparoscopic training desk. A 3-0 polysorbTM (Covidien, GL-182) with a 20-cm length of thread was used for the laparoscopic task. The participants were required to fulfill an intracorporeal suture with a first double-throw knot, followed by two single-throw knots on the suture pad.
Stepwise training program
The instructor described the schedule to the participants in the beginning of the program. Two participants shared a set of the equipment and practiced in turn in blocks. At the beginning of each block, the step was demonstrated with video clips. The participants only practiced the specified step in the block before proceeding to the next block. The detailed schedule is listed as follows:
Pick up needle: 10 mins (5 mins for each hand) Control needle angle: 20 mins (10 mins for each participant) Needle drive and pull thread: 20 mins (10 mins for each participant) Make double throws: 20 mins (10 mins for each participant) Knot tying: 20 mins (10 mins for each participant) Free practice: 30 mins (15 mins for each participant)
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24 participants in 3 patient groups
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