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. 2021 Jul 1;31(4):e193-e199.
doi: 10.1097/JSM.0000000000000761.

Risk Factors for Vestibular and Oculomotor Outcomes After Sport-Related Concussion

Melissa N Womble  1 , Jamie McAllister-Deitrick  2 , Gregory F Marchetti  3 , Erin Reynolds  4 , Michael W Collins  5 , R J Elbin  6 , Anthony P Kontos  5
Affiliations

Risk Factors for Vestibular and Oculomotor Outcomes After Sport-Related Concussion

Melissa N Womble et al. Clin J Sport Med. .

Abstract

Objective: To investigate the association between risk factors and vestibular-oculomotor outcomes after sport-related concussion (SRC).

Study design: Cross-sectional study of patients seen 5.7 ± 5.4 days (range 0-30 days) after injury.

Setting: Specialty clinic.

Participants: Eighty-five athletes (50 male athletes and 35 female athletes) aged 14.1 ± 2.8 years (range 9-24 years) seeking clinical care for SRC.

Interventions: Participants completed a clinical interview, history questionnaire, symptom inventory, and vestibular/ocularmotor screening (VOMS). Chi-square tests with odds ratios and diagnostic accuracy were used to examine the association between risk factors and VOMS outcomes.

Main outcome measures: The VOMS.

Results: Female sex (χ2 = 4.9, P = 0.03), on-field dizziness (χ2 = 7.1, P = 0.008), fogginess (χ2 = 10.3, P = 0.001), and post-traumatic migraine (PTM) symptoms including headache (χ2 = 16.7, P = 0.001), nausea (χ2 = 10.9, P = 0.001), light sensitivity (χ2 = 14.9, P = 0.001), and noise sensitivity (χ2 = 8.7, P = 0.003) were associated with presence of one or more postconcussion VOMS score above clinical cutoff. On-field dizziness (χ2 = 3.8, P = 0.05), fogginess (χ2 = 7.9, P = 0.005), and PTM-like symptoms including nausea (χ2 = 9.0, P = 0.003) and noise sensitivity (χ2 = 7.2, P = 0.007) were associated with obtaining a postconcussion near-point convergence (NPC) distance cutoff >5 cm. The likelihood ratios were 5.93 and 5.14 for VOMS symptoms and NPC distance, respectively.

Conclusions: Female sex, on-field dizziness, fogginess, and PTM symptoms were predictive of experiencing vestibular-oculomotor symptoms/impairment after SRC.

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Conflict of interest statement

The authors report no conflicts of interest.

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