Head and neck injuries among ice hockey players wearing full face shields vs half face shields

Context Speculation exists that use of a full face shield by ice hockey pla yers may increase their risk of concussions and neck injuries, offsetting t he benefits of protection from dental, facial, and ocular injuries, but, to our knowledge, no data exist regarding this possibility. Objective To determine the risk of sustaining a head or neck injury among i ntercollegiate ice hockey players wearing full face shields compared with t hose wearing half shields. Design, Setting, and Participants Prospective cohort study conducted during the 1997-1998 Canadian Inter-University Athletics Union hockey season of 6 42 male hockey players (mean age, 22 years) from 22 teams. Athletes from 11 teams wore full face shields and athletes from 11 teams wore half face shi elds during play. Main Outcome Measure Reportable injury, defined as any event requiring asse ssment or treatment by a team therapist or physician or any mild traumatic brain injury or brachial plexus stretch, categorized by time lost from subs equent participation and compared by type of face shield. Results Of 379 athletes who wore full face shields, 195 (61.6%) had at leas t 1 injury during the study season, whereas of 323 who wore half lace shiel ds, 204 (63.2%) were injured. The risk of sustaining a facial laceration an d dental injury was 2.31 (95% confidence interval [CI], 1.53-3.48; P < .001 ) and 9.90 (95% CI, 1.88-52.1; P = .007) times greater, respectively, for p layers wearing half vs full face shields. No statistically significant risk differences were found for neck injuries, concussion, or other injuries, a lthough time lost from participation because of concussion was significantl y greater in the half shield group (P < .001), than in the group wearing fu ll shields. Conclusions These data provide evidence that the use of full face shields i s associated with significantly reduced risk of sustaining facial and denta l injuries without an increase in the risk of neck injuries, concussions, o r other injuries.