Introduction:
The ultimate goal for any surgical simulation program is to prove the capability of transferring the skills learned to real-life surgical scenarios. We designed an arthroscopic partial meniscectomy (APM) training program and sought to determine its ability to transfer skills to real patients.
Methods:
Eleven junior orthopaedic residents and three expert knee surgeons were included. A low-fidelity knee simulator was used. Trainees had two baseline assessments of completing APM on a supervised real patient and on the simulator, measured using the Arthroscopic Surgical Skill Evaluation Tool (ASSET). After baseline, the trainees completed an APM training program and had a final evaluation of proficiency on the simulator and in real patients. Experts were also assessed for comparison. Statistical analysis was performed, assuming nonparametric behavior of variables.
Results:
All trainees improved from a base score of 14 points in real patients and 10 points on the simulator to a final score of 39 points and 36 points, respectively (P < 0.01). The final trainee simulator score did not differ from experts on the simulator and was lower in real patients (36 versus 39 points, respectively, P ≤ 0.01), which resulted in a 92% transfer ratio for the simulator.
Discussion:
Simulated training of APM in orthopaedic residents using a low-fidelity knee simulator proved to not only improve simulated proficiency but also successfully transfer skills to a real clinical scenario with a high model transfer ratio.
Level of Evidence:
Level II (Prospective Cohort Study)
This study aimed to determine the tibial cut (TC) accuracy using extensor hallucis longus (EHL) tendon as an anatomical landmark to position the total knee arthroplasty (TKA) extramedullary tibial guide (EMTG), and its impact on the TKA mechanical alignment (MA). We retrospectively studied 96 TKA, performed by a single surgeon, using a femoral tailored intramedullary guide technique. Seventeen were prior to the use of the EHL and 79 used the EHL tendon to position the EMTG. We analyzed preoperative and postoperative standing total lower extremity radiographs to determine the tibial component angle (TCA) and the correction in MA, comparing pre-EHL use and post-EHL technique incorporation. Mean TCA was 88.89 degrees and postoperative MA was neutral in 81% of patients. Pre- and postoperative MAs were not correlated. As a conclusion of this study, using the EHL provides a safe and easy way to determine the position of EMTG.
Introduction:
It is undetermined whether patients with inflammatory bowel diseases (IBDs) have increased prevalence of vertebral compression fractures (VCFs) since many VCFs are asymptomatic and radiographs may overlook them. We compared the prevalence of VCFs in patients older than 60 years with and without IBDs.
Methods:
We studied 55 patients with IBDs and 165 controls who underwent CT scans for nonspinal conditions. We evaluated the presence of VCFs, fracture severity using the Genant score, and we determined whether age, sex, diagnosis of IBD, treatment, and time since diagnosis were associated with VCFs. Using logistic regression analysis, we assessed the independent effect of each variable.
Results:
Mean age was 72.7 years; 165 patients (75%) were women. Thirty-five patients (16%) had at least one VCF (16.4% IBD; 15.8% controls, P = 0.92); both groups exhibited similar fracture severity. Patients with VCFs were older than patients without VCFs (79.8 versus 70.2, P < 0.01 IBD; 76.4 versus 72.4, P = 0.02 controls). No other clinical variables were different in patients with and without VCFs in either cohort. Only age was independently associated with VCFs in both cohorts.
Discussion:
VCFs were not more frequent or severe in patients older than 60 years with IBD presented than in age-matched controls.
Introduction: An effective simulation program allows both the acquisition of surgical skills on the simulated model and the transfer of these skills to a surgical scenario. We designed a forefoot osteotomy training program and sought to determine the transferability to a cadaveric surgical scenario. Methods: Eleven orthopedic residents and 2 foot and ankle surgeons were included. A foot simulator was used. All residents were instructed on the surgical techniques of Chevron, Akin, and triple Weil osteotomies. Eight junior residents (trainees) were enrolled in a supervised simulation program. Baseline assessment was performed on the simulator with the Objective Structured Assessment of Technical Skills (OSATS) and the Imperial College Surgical Assessment Device (ICSAD). After baseline, trainees completed a training program and had a final evaluation of proficiency on the simulator and on cadaveric specimens. Three senior residents with no simulated training (controls) and experts were assessed for comparison. Results: All trainees improved from a baseline OSATS score of 11 points (9-20) to a final score of 35 points (33)(34)(35) in the simulator and 34 points (32-34) in the cadaveric specimen (P < 0.01). Compared with baseline, the ICSAD results improved in path length (391 [205-544] to 131 [73-278] meters, P < 0.01) and number of movements (2756 [1258-3338] to 992 , P < 0.01). The final OSATS and ICSAD scores did not differ from experts (P = 0.1) and were significantly different from untrained residents (P = 0.02). Conclusions: Simulated training of Chevron, Akin, and triple Weil osteotomies in orthopedic residents improved procedural proficiency, enabling successful skill transfer to a surgical scenario in cadavers.
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