American Collegiate Men's Ice Hockey

Flik, Kyle R.; Lyman, Stephen; Marx, Robert G.

doi:10.1177/0363546504267349

Cited by 235 publications

(260 citation statements)

References 20 publications

(17 reference statements)

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“…The most common denominators for incidence calculation are player hours, athlete exposures, and games played. [1][2][3][8][9][10]16,17,24,25,29 Flick 10 reported an incidence rate of 3.1 per 1000 athlete exposures for Division 1 university ice-hockey players in 1 season. Wennberg and Tator 29 reported an incidence of concussion in the National Hockey League that ranged from 1.81 per 1000 athlete exposures in 1998-1999 to a low of 1.04 per 1000 athlete exposures in 2005-2006.…”

Section: Discussionmentioning

confidence: 99%

“…Previous sport concussion studies demonstrated that concussion predominantly occurs in game situations. [1][2][3]10,30 Gerberich et al, 11 a commonly cited retrospective study on recurrent concussions, states that the relative risk of concussions is 4 times higher than for individuals without this history. A prospective survey study of US high school and college football athletic trainers by Guskiewicz et al 15 found that players who had sustained 1 concussion were 3 times more likely to sustain a second concussion than those players who had not sustained a previous injury.…”

Section: Discussionmentioning

confidence: 99%

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A prospective study of physician-observed concussions during junior ice hockey: implications for incidence rates

Echlin¹,

Tator

Cusimano

et al. 2010

FOC

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Object The objective of this study was to measure the incidence of concussion (scaled relative to number of athlete exposures) and recurrent concussion within 2 teams of fourth-tier junior ice hockey players (16–21 years old) during 1 regular season. Methods A prospective cohort study called the Hockey Concussion Education Project was conducted during 1 junior ice hockey regular season (2009–2010) involving 67 male fourth-tier ice hockey players (mean age 18.2 ± 1.2 years, range 16–21 years) from 2 teams. Prior to the start of the season, every player underwent baseline assessments using the Sideline Concussion Assessment Tool 2 (SCAT2) and the Immediate Post-Concussion Assessment and Cognitive Test (ImPACT). The study protocol also required players who entered the study during the season to complete baseline SCAT2 and ImPACT testing. If the protocol was not followed, the postinjury test results of a player without true baseline test results would be compared against previously established age and gender group normative levels. Each regular season game was observed by a qualified physician and at least 1 other neutral nonphysician observer. Players who suffered a suspected concussion were evaluated at the game. If a concussion diagnosis was made, the player was subsequently examined in the physician's office for a full clinical evaluation and the SCAT2 and ImPACT were repeated. Based on these evaluations, players were counseled on the decision of when to return to play. Athlete exposure was defined as 1 game played by 1 athlete. Results Twenty-one concussions occurred during the 52 physician-observed games (incidence 21.5 concussions per 1000 athlete exposures). Five players experienced repeat concussions. No concussions were reported during practice sessions. A concussion was diagnosed by the physician in 19 (36.5%) of the 52 observed games. One of the 5 individuals who suffered a repeat concussion sustained his initial concussion in a regular season game that was not observed by a physician, and as a result this single case was not included in the total of 21 total concussions. This initial concussion of the player was identified during baseline testing 2 days after the injury and was subsequently medically diagnosed and treated. Conclusions The incidence of game-related concussions (per 100 athlete exposures) in these fourth-tier junior ice hockey players was 7 times higher than the highest rate previously reported in the literature. This difference may be the result of the use of standardized direct physician observation, diagnosis, and subsequent treatment. The results of this study demonstrate the need for follow-up studies involving larger and more diverse sample groups to reflect generalizability of the findings. These follow-up studies should involve other contact sports (for example football and rugby) and also include the full spectrum of gender, age, and skill levels.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

A prospective study of physician-observed concussions during junior ice hockey: implications for incidence rates

Echlin¹,

Tator

Cusimano

et al. 2010

FOC

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“…AC joint injuries are one of the most common problems in the athletic population [7]. They account for 3% of all shoulder injuries and 40% of sports-related shoulder injuries [1].…”

Section: Discussionmentioning

confidence: 99%

Triple endobuttton technique for the treatment of acute complete acromioclavicular joint dislocations: preliminary results

Wei

Chen

Zeng

et al. 2010

International Orthopaedics (SICOT)

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Numerous procedures have been described for the operative management of acromioclavicular (AC) joint injuries. Some of these techniques, including hardware fixation and non-anatomical reconstructions, are associated with serious complications and high failure rates. Recently, AC joint reconstruction techniques have focused on anatomical restoration of the coracoclavicular ligaments to achieve optimal clinical outcomes. We used a triple endobutton technique to separately reconstruct the trapezoid and the coronoid portions of the coracoclavicular ligament. We evaluated the preliminary clinical and radiological results of this technique in patients with acute complete dislocation of the AC joint. All patients achieved a significant improvement in the pain and function of shoulder at a mean follow-up interval of 12 months (range, 8-14 months). Excellent reduction of the AC joint was maintained. The triple endobutton technique may be safe and effective for the treatment of acute complete AC joint dislocations.

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“…However, even with the use of protective headgear the incidence of mild traumatic brain injury (mTBI) known as concussions have not, and continue to be a concern in both recreational and professional sports [2][3][4][5]. A recent survey reported 110 in 100,000…”

Section: Introductionmentioning

confidence: 99%

The Influence of Impactor Mass on the Dynamic Response of the Hybrid III Headform and Brain Tissue Deformation

Karton

Hoshizaki

Gilchrist

2014

Mechanism of Concussion in Sports

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When determining head injury risks through event reconstruction, it is important to understand how individual impact characteristics influence the dynamic response of the head and its internal structures. The effect of impactor mass has not yet been analysed in the literature. The purpose of this study is to determine the effects of inbound mass on the dynamic impact response and brain tissue deformation. A 50 th percentile Hybrid III adult male head form was impacted using a simple pendulum system. Impacts to a centric and a non-centric impact location were performed with six varied inbound masses at a velocity of 4.0 m/s. The peak linear and peak angular accelerations were measured. A finite element model, (UCDBTM) was used to determine brain deformation, namely peak maximum principal strain and peak von Mises stress. Inbound mass produced significant differences for peak linear acceleration for centric (F 5, 24 = 217.55, p=.0005) and non-centric (F 5, 24 = 161.98, p=.0005), and for peak angular acceleration for centric (F 5, 24 = 52.51, p=.0005) and non-centric (F 5, 24 = 4.18, p=.007) impact locations. A change in inbound mass also had a significant effect on peak maximum principal strain for centric (F 5, 24 = 11.04, p=.0005) and non-centric (F 5, 24 = 5.87, p =.001), and for peak von Mises stress for centric (F 5, 24 = 24.01, p=.0005) and non-centric (F 5, 24 = 4.62, p=.004) impact locations. These results confirm the inbound mass of an impact should be of consideration when determining risks and prevention to head and brain injury.

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American Collegiate Men's Ice Hockey

Abstract: The risk of injury in men's collegiate ice hockey is much greater during games than during practices. Concussions are a main cause for time lost and remain an area of major concern.

Cited by 235 publications

References 20 publications

A prospective study of physician-observed concussions during junior ice hockey: implications for incidence rates

A prospective study of physician-observed concussions during junior ice hockey: implications for incidence rates

Triple endobuttton technique for the treatment of acute complete acromioclavicular joint dislocations: preliminary results

The Influence of Impactor Mass on the Dynamic Response of the Hybrid III Headform and Brain Tissue Deformation

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