Pediatric Trauma Society

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Fluctuations in Pediatric Trauma Activations According to Weather and Lunar Cycle: Can we Predict Trauma?
Erika Lindholm, MD; George Mundanchira, BA; Teerin Meckmongkol, MD; Autumn Nanassy, BA, MS; Sean Ciullo, MD; L. Grier Arthur, MD; Harsh Grewal, MD; Rajeev Prasad, MD
1St. Christopher's Hospital for Children, Philadelphia, PA

Background: Adult trauma activations are influenced by weather conditions and lunar phases. In pediatric trauma, the extent to which these factors contribute is unclear. Previous studies suggest temperature and day contribute to trauma activity. We reviewed our experience at a Level 1 pediatric trauma center to determine the influence of lunar cycle, day of the week, and weather conditions on trauma activity.

Methods: Retrospective review of trauma activations between 2015-2017 was stratified according to severity of trauma. This was linked to historical weather conditions and lunar cycles from the day of activation. Lunar cycle was divided into quarters: new moon, Q1, Full moon, Q4. Weather data was compiled by temperature and precipitation.

Results: There were 1932 patients in this study. The most popular day for activations was Thursday (296, 15.3%), and the least popular was Tuesday (255, 13.2%). Night traumas were more common than day traumas (52% v 48%). Trauma came in on "good days" more than "bad days" and with the severity of the bad days being slightly higher. There was no difference in activations according to lunar cycle, with new moon (26.7%) compared to a full moon (26.2%). Activations during a full moon tended to have a higher GCS score (14.3 v 14.1).

Conclusions: Pediatric trauma activations are most likely to occur on a Thursday. Weekend trauma is likely to occur in the evening. Better weather with higher temperature and no rainfall was associated with more traumas. Lunar cycle is not associated with fluctuations in pediatric trauma activations.

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