Division of Pediatric Allergy and Clinical Immunology, Department of Pediatrics, McGill University Health Center, Montreal, Quebec, Canada.
Background: Studies suggest knowledge gaps about epinephrine use and vaccination of persons with egg allergy.
Objective: We compared the perception of Canadian allergists and nonallergists on issues related to epinephrine use and vaccination of persons with egg allergy.
Methods: Canadian allergists, pediatricians, general practitioners/family physicians and emergency room physicians were recruited through medical associations and surveyed on these issues. Multivariate logistic regression models were used to identify determinants of specific responses.
Results: One-hundred fourteen allergists and 613 nonallergists participated. For most issues with accepted best practices, allergists were more likely to adhere to recommendations. Allergists versus nonallergists were more likely to recommend intramuscular epinephrine for anaphylaxis (odds ratio [OR] = 3.8; 95% CI, 1.43-10.11). Older physicians (OR = 0.98; 95% CI, 0.97-0.99), Canadian-Paediatric-Surveillance-Program participants (OR = 0.48; 95% CI, 0.24-0.96), family physicians (OR = 0.39; 95% CI, 0.16-0.96), and general practitioners (OR = 0.14; 95% CI, 0.04-0.52) were less likely to recommend intramuscular use. However, in severe anaphylaxis, >25% of both groups would not give epinephrine for patients presenting with breathing difficulties or hypotension. Use of epinephrine for severe anaphylaxis was less likely in older physicians (OR = 0.97; 95% CI, 0.95-0.99), female physicians (OR = 0.60; 95% CI, 0.39-0.89), and those practicing in Ontario (OR = 0.56; 95% CI, 0.36-0.86), Manitoba (OR = 0.42; 95% CI, 0.19-0.90), or Nova-Scotia (OR = 0.31; 95% CI, 0.12-0.78). Allergists (OR = 6.22; 95% CI, 3.60-10.72) and physicians treating mainly children (OR = 3.41; 95% CI, 1.87-6.25), or practicing in Quebec (OR = 1.68; 95% CI, 1.12-2.55) were more likely to recommend measles-mumps-rubella vaccination in a community facility.
Conclusion: Knowledge gaps about mode and indications for epinephrine administration and vaccination policies need to be addressed in future education programs to ensure prompt epinephrine use and to avoid unnecessary restriction of vaccines.
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