Syncope and subsequent traffic crash: A responsibility analysis

Area of Science:

• Emergency Medicine
• Neurology
• Traffic Safety

Background:

• Physicians lack empirical data to guide driving safety advice for patients experiencing syncope (fainting).
• Existing guidelines for fitness-to-drive after syncope are not robustly evidence-based.

Purpose of the Study:

• To investigate the association between recent syncope and driver responsibility for traffic crashes.
• To provide empirical data for informing clinical and policy decisions regarding driving after syncope.

Main Methods:

• Retrospective cohort study of 9,507 individuals diagnosed with syncope in urban emergency departments.
• Analysis of police-reported crashes between 2010-2016 involving cohort members as drivers.
• Logistic regression used to assess the link between syncope within three months of a crash and driver responsibility.

Main Results:

• A total of 475 crashes were analyzed; 210 drivers were responsible, 133 non-responsible.
• Recent syncope (within 3 months) was not significantly associated with driver responsibility for crashes (aOR 1.31, 95% CI 0.40-4.74).
• All drivers with cardiac syncope were deemed responsible for their crashes, limiting subgroup analysis.

Conclusions:

• Recent syncope is not a significant predictor of driver responsibility in traffic crashes.
• Findings suggest current fitness-to-drive recommendations after syncope may need re-evaluation.
• Further research into specific syncope types, like cardiac syncope, is warranted.