We found that increased invigoration and reduced tranquillity during simulation training were associated with increased cognitive load, and that the likelihood of correctly identifying a trained murmur declined with increasing cognitive load. Further studies are needed to evaluate the impact on performance of strategies to alter emotion and cognitive load during simulation training.

Despite limited data on patient outcomes, simulation training has already been adopted and embraced by a large number of medical schools. Yet widespread acceptance of simulation should not relieve us of the duty to demonstrate if, and under which circumstances, training learners on simulation benefits real patients. Here we review the data on performance of healthcare providers or trainees following simulation training, and discuss ways of enhancing transfer of learning from simulated to real patients. While there is tremendous potential for simulation in medical education and healthcare, further studies are needed to identify if and when simulation training improves the quality of care delivered to patients, and to compare the cost-effectiveness of simulated learning experiences to lower fidelity and less expensive interventions.

BackgroundThe extent to which medical residents are involved in the teaching and supervision of medical procedures is unknown. This study aims to evaluate the teaching and supervision of junior residents in central venous catheterization (CVC) by resident-teachers.MethodsAll PGY-1 internal medicine residents at two Canadian academic institutions were invited to complete a survey on their CVC experience, teaching, and supervision prior to their enrolment in a simulator CVC training curriculum.ResultsOf the 69 eligible PGY-1 residents, 32 (46%) consenting participants were included in the study. There were no significant baseline differences between participants from the two institutions in terms of sex, number of ICU months completed, previous CVC training received, number of CVCs observed and performed. Only 16 participants (50%) received any CVC training at baseline. Of those who received any training, 63% were taught only by senior resident-teachers. A total of 81 CVCs were placed by 17 participants. Thirty-two CVCs (45%) were supervised by resident-teachers.ConclusionsResident-teachers play a significant role both in the teaching and supervision of CVCs placed by junior residents. Educational efforts should focus on preparing residents for their role in teaching and supervision of procedures.

Consistent with the theory of retroactive interference, students who encountered a novel murmur between training and evaluation on the murmur on which they had been trained showed no improvement in diagnostic performance following simulation training. These findings should serve to warn educators to consider retroactive interference when designing simulation training sessions.