Video game experience is not a substitute for endovascular or robotic surgical simulation. Studies find mixed, task-specific associations between gaming and simulator performance; a randomized study found that a brief gaming break did not improve endovascular performance more than resting. By contrast, repeated practice on a simulator can improve the particular tasks being practiced. Neither gaming experience nor simulator scores have been shown in these studies to improve patient outcomes.
What the studies actually compared
“Gaming versus simulation” is not a single head-to-head test in this evidence. Some studies examined whether people who already played video games performed differently on a simulator. One randomized study tested a short video-game session between two simulated procedures. Other studies evaluated instructional formats or repeated practice on endovascular simulators. The participants, tasks, practice time and outcomes differed, so the findings should be interpreted study by study.
| Study | Design and task | Finding |
|---|---|---|
| Dawod et al. (published online 2025; 2026 issue) | 52 medical students completed a simulated endovascular procedure, then were randomized to a 10-minute video game session or rest before a second procedure. | Across both groups, average completion time fell from 3 minutes 56 seconds to 3 minutes 1 second, an average improvement of about 23%. The game group did not improve significantly more than the control group. Gaming history and assignment to the game group did not improve the measured procedural skill outcome. Confidence and interest in procedural specialties increased, but those are not performance measures. |
| Endovascular aptitude study (2006) | Observational study of 61 participants with varied occupations and skill levels; examined weekly gaming hours, completion time, modified Reznick Scale scores and formal endovascular training. | Gaming hours and formal training measures both correlated with completion time and scores. The authors reported that high scores were achieved only by formally trained participants, and distinguished speed from correct performance. The association does not show that gaming caused competence. |
| Harper et al. (2007) | Researchers selected medical students from the highest and lowest self-reported gaming-exposure groups after an initial questionnaire completed by 242 preclinical students. The comparison involved a short instructional video, three minutes of practice and a robotic knot-tying task. | The high-exposure group tied fewer knots. This was a narrow task tested in extreme exposure groups, not a general comparison of gaming and all robotic skills. The high-exposure group reported a mean of 15,136 gaming hours (range 5,840–30,000). |
| Nilsson et al. (2019) | Observational RobotiX Mentor study of 32 participants: 30 medical students and two interns. “Gamers” were defined as playing at least six hours per week; those below that threshold were classified as nongamers. | Gamers performed significantly better on 3 of 24 simulator metrics, with favorable trends on 7 of the other 21. The authors said experience above six hours per week “might” offer an advantage in simulated robotic surgery; the small study does not establish a broad effect. |
| Low-fidelity endovascular training comparison (2019) | 50 medical students compared a video podcast, tablet touch navigation and tablet-paired physical endovascular tool navigation. | The physical-tool group reported higher confidence and interest, while the practical-skills assessment showed few differences among groups. Confidence and interest should not be treated as demonstrated skill gains. |
| VR endovascular practice study (2006) | Inexperienced surgeons practiced endovascular tasks over six virtual-reality sessions; their performance was compared with that of experienced operators. | Inexperienced operators improved task completion time and contrast use, reaching performance similar to the experienced group on those measures. This supports learning of practiced simulator tasks, not proof of full clinical competence or patient benefit. |
Why the gaming results conflict
The studies do not measure one common ability. Catheter navigation, robotic suturing and knot tying place different demands on hand-eye coordination, instrument control, procedural judgment and accuracy. A person might be faster at one simulator task without being more accurate or effective at another.
Study design also matters. Observational studies can find an association between prior gaming and a simulator score, but they cannot establish that gaming produced the difference. A randomized intervention can better test whether a specific gaming session changes performance; in Dawod et al., the 10-minute session did not outperform rest. That short experiment does not answer whether years of gaming affect every procedural skill, just as the observational studies cannot establish a causal benefit.
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Exposure definitions and preparation varied too. Nilsson et al. used a threshold of six gaming hours a week, whereas Harper et al. compared students at the extremes of reported exposure. The tasks were brief and specific, and outcomes included speed, scores or knots tied rather than a common measure of surgical competence. These differences make a single conclusion such as “gamers are better surgeons” unsupported.
What simulator practice can—and cannot—show
The six-session VR study provides evidence that novices can improve on the endovascular measures they practice, including completion time and contrast use. That is a meaningful training result, but it is narrower than proving readiness to operate: similarity to experienced operators on selected simulator measures does not establish performance across a full procedure, transfer to a clinical environment or improved patient outcomes.
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Likewise, the low-fidelity study shows why learner confidence should be kept separate from observed performance. Physical-tool navigation raised confidence and interest, but few differences appeared on the practical-skills assessment. A learner feeling more prepared may be useful, but it is not by itself evidence of better technique.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to apply the evidence to training
For learners and educators, the defensible approach is to use structured procedural practice and objective task assessment rather than treating video-game history as a qualification. Gaming may be associated with selected simulator measures in some studies, but it cannot stand in for instruction, supervised practice or evidence that the required task is performed correctly.
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- Assess the skill the training is meant to develop, including quality or errors where relevant, rather than relying on speed alone.
- Track confidence and interest separately from observed procedural performance.
- Interpret simulator improvement as evidence about the practiced task unless transfer to broader procedures or clinical performance has also been tested.
The reviewed studies do not establish a direct, adequately powered comparison of a structured endovascular robotics curriculum against gaming exposure using a shared task and clinical follow-up. They also do not show that gaming or simulator scores predict better patient outcomes.
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