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2014 ; 2
(9
): 2325967114550623
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Baseline Neurocognitive Performance in Professional Lacrosse Athletes
#MMPMID26535364
Plancher KD
; Brooks-James A
; Nissen CW
; Diduch BK
; Petterson SC
Orthop J Sports Med
2014[Sep]; 2
(9
): 2325967114550623
PMID26535364
show ga
BACKGROUND: Concussions have become a major public health concern for both youth
and professional athletes. The long-term consequences of concussion can be
debilitating or even life threatening. To reduce these concerns, baseline
neurocognitive performance can aid decision making in postconcussion recovery and
return to play for athletes sustaining concussions. To date, these data are not
available for lacrosse athletes. PURPOSE: To present baseline neurocognitive
performance for Major League Lacrosse (MLL) players and to determine differences
between athletes with and without a history of concussion. STUDY DESIGN:
Cross-sectional study; Level of evidence, 3. METHODS: A retrospective review was
conducted of Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT)
scores from MLL players who completed baseline testing from June 2010 to June
2011. Inclusion required a valid baseline test and no history of concussion in
the 3 months prior to testing. Means ± standard deviations were computed for all
demographic variables and ImPACT composite scores including visual and verbal
memory, reaction time, and visual motor processing speed. Independent-samples t
tests were used to determine differences between athletes with and without a
history of concussion. RESULTS: Valid baseline ImPACT testing was available for
235 MLL athletes (mean age, 25.1 ± 3.0 years). Forty percent of MLL athletes (n =
94) reported a history of concussion, with 14% of those (n = 13) reporting a
history of 3 or more previous concussions. There were no differences on any
demographic variables between MLL athletes with and without a history of
concussion. MLL athletes with a history of concussion had lower ImPACT composite
scores than those without a history of concussion, although only the verbal
memory composite was found to be statistically significant (MLL with concussion,
83.2 ± 10.8 vs MLL without concussion, 86.9 ± 9.5; P = .007). CONCLUSION: This
study establishes baseline ImPACT scores for MLL and demonstrates that athletes
with a history of concussion have poorer neurocognitive performance compared with
MLL athletes without a history of concussion. CLINICAL RELEVANCE: These data can
serve as normative values for subsequent testing following concussion to assess
neurocognitive recovery.