Rogers Research Summary Table copy - Running head RESEARCH...

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Running head: RESEARCH SUMMARY TABLE Research Summary Table: Use of B b icycle H h elmets to Re re duce S s everity of H h ead I i njury Stephanie Rogers Chamberlain College of Nursing NR 505: Advanced Research Methods: Evidence-Based Practice Fall 2016 1
RESEARCH SUMMARY TABLE Research Summary Table: Use of bicycle helmets to reduce severity of head injury 2 Author, Year of Publication Purpose Sample Design Level of Evidence Findings Limitations Dagher et al. (2016) To determine whether adult cyclists with a TBI who wear helmets face better with respect to their acute outcomes than those cyclists that don’t N = 128 patients admitted to the hospital with a TBI resulting from a cycling accident Retrospective observational study of patients admitted to Montreal General Hospital following a TBI resulting form a cycling accident from 2007-2011 Level 3 evidence from a single descriptive/ quantitative study Cyclists without helmets had more severe TBIs on imaging, longer LOS in ICU and more neurosurgical interventions Comparing TBI assumes only difference between groups is the headgear Possible that confounding variables exist that were not studied that explain poor outcomes in non- helmeted cyclists Analysis only includes analysis of 3 severities of TBI Dinh et al. (2015) To describe the injury profile of cyclists and determine risk of significant head injury with helmet use N = 258 cases of adults 15 years and older who received a trauma consult Retrospective observational single trauma center study of adult cyclists between January 2012 and June 2014 Level 3 evidence from a single descriptive/ quantitative study Helmet use was associated with a 70% decrease in odds of significant head injury Small study at a single trauma center Sample size limited analysis of head injury Deaths on scene not included in study Patients not presenting to ED were not included Study did not include children Joseph et al. (2014) To determine utility of bicycle helmets in prevention of intra-cranial hemorrhage N = 709 patients who presented with TBI due to bicycle injuries 4 year (2009- 2012) retrospective cohort analysis of all patients who presented with a TBI due to bicycle injuries Level 3 evidence from a single descriptive/ quantitative study Non-helmeted riders were more likely to have a skull fracture and scalp laceration No difference in intra-cranial hemorrhage was found between the two groups Small sample size Primary outcome measure was development of intra- cranial hemorrhage Type of helmet or bike were not taken into account Bergenstal et al. (2012) Evaluation of injury pattern in children 14 years or less involved in bicycle accident and comparison of helmet use N = 371 pediatric patients involved in bicycle crashes, descriptive statistics to calculate variables Retrospective cohort study of pediatric patents in bicycle crashes from 2008- 2010 in West Virginia Trauma System Level 3 evidence from a single descriptive/ quantitative study Un-helmeted patients had increased frequencies of injuries and sustained more severe injuries Less than 10%

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