Emergency department visits for pediatric concussion by material deprivation, age, and sex, in Ontario, Canada, 2010-2020: a population-based study
Macpherson A, Harkins J, Sergio L, Sadrmanesh O, Emery C, Rothman L. Inj Prev. 2025 Jul 11.
Background — Pregnant women represent a major challenge in trauma care because of the risks to both mother and child and because of the difficulties in following standard protocols.
Methods — We analyzed data for all pregnant women admitted to the hospital in Canada over 7 years to test whether major trauma still clustered in the summer despite their aversion toward alcohol, recklessness, and extreme sports.
Results — A total of 2,618 pregnant women sustained major trauma. The prevalence of pregnancy was marginally lower in summer than in winter (decrease, 3%; 95% confidence interval, 2–4%), whereas the incidence of major trauma in pregnant women was significantly higher in summer than in winter (increase, 12%; 95% confidence interval, 3–21%; p = 0.005). No evidence of offsetting decreases in severity appeared in analyses of length of stay, number of surgical procedures, or mortality.
Conclusion — We suggest that normal lifestyle choices contribute to an increased risk of major trauma during pregnancy and merit greater awareness throughout the year.
Redelmeier DA, Drucker A, Venkatesh V. J Trauma. 2005; 59(1):111-5.
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