KING-DEVICK TEST PDF

Background The King-Devick (KD) test is an objective clinical test of eye movements that has been used to screen for concussion. , King-Devick Test. Patent-Pending. All Rights Reserved. Mayo and Mayo Clinic are registered trademarks owned by Mayo Foundation for. King-Devick Test identifies real-time concussion and asymptomatic concussion in youth athletes. Priya S. Dhawan, Danielle Leong, Lisa Tapsell, Amaal J.

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Boxers who sustained head trauma during their fight were given the MACE test immediately after the sparring session followed by the K-D test.

Test-retest reliability was estimated for 2 prefight K-D test measurements by the intraclass correlation coefficient ICC ; Kibg-devick were also used to examine agreement between prefight and postfight scores among participants without head trauma.

The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Brain Epub Aug 23 [ PubMed ]. Among participants with head trauma, those with vs without LOC were compared similarly. However, there was no overlap in the distribution of changes in scores from prefight to postfight, with a substantial gap between the worst change in the no head trauma group and the best change in the head trauma group. Written informed consent was obtained from all participants and principles outlined in the Declaration of Helsinki were followed.

The King-Devick K-D test is based on measurement of the speed of rapid number naming reading aloud single-digit numbers from 3 test cardsand captures impairment of eye movements, attention, language, and other correlates of suboptimal brain function. From the Departments of Neurology K. Correlations between postfight MACE scores as a continuous variable and K-D scores were also strong, thus providing preliminary evidence that K-D test scores reflect more global aspects of cognitive function in the setting of acute mild closed head injury and concussion.

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Return-to-play criteria after athletic concussion: Tesg management of sports-related concussion: Sensitivity and specificity of standardized neurocognitive testing immediately following sports concussion. Concussion in the National Football League: Military Acute Concussion Evaluation.

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Chronic traumatic brain injury in professional soccer players. Box plots show the distributions of postfight King-Devick K-D time scores and changes in scores from prefight to postfight in participants with vs without head trauma or loss of consciousness LOC The lines in the box represent the medians, and boxes delineate king-devicl interquartile range 25th—75th percentiles.

DevickOD, S. Neuropsychological impairment in amateur soccer players. The K-D test represents a strong candidate rapid sideline screening test for concussion, and has particular relevance to contact sports including football, soccer, hockey, MMA, and boxing.

Closed head injury, even in mild form, is a leading cause of both short-term and long-term cognitive impairment among athletes, particularly for those in contact sports such as football, boxing, soccer, rugby, and hockey. Corrections were made for near vision as needed.

Curr Sports Med Rep ; 8: As demonstrated in table 1the lower limit of the range of worsening of K-D time scores for participants with head trauma was 5.

Concussion assessment and management. Mil Med ; This observation likely reflects learning effects for the K-D test.

The most dangerous game: Investigating baseline neurocognitive performance between male and female athletes with a history of multiple concussion. Those king-deviick loss of consciousness showed the greatest worsening from prefight to postfight.

The K-D test is an accurate and reliable method for identifying athletes with head trauma, and is a strong candidate rapid sideline screening test for concussion. Table 1 Characteristics of boxers and king-eevick martial arts fighters. Evaluation of the Military Acute Concussion Evaluation for use in combat operations more than 12 hours after injury. Data from this investigation demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma.

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Numbers of errors made in reading the test cards were recorded. Boxers are at high risk for concussion and for more long-term manifestations of CTE, formerly termed dementia pugilistica. However, both of the participants who made errors were boxers who had head trauma.

Temporal window of metabolic brain vulnerability to concussion: Demonstration and test cards for the King-Devick Teat Test, a candidate rapid sideline screening for concussion based on measurement of speed of rapid number naming To perform the K-D test, participants are asked to read the numbers on each card kng-devick left to right as quickly as possible but without making any errors.

Numbers of errors made in reading the test cards are also recorded; misspeaks on numbers are recorded as errors only if the subject does not immediately correct the mistake before going on to the next number. For this cross-sectional study, boxers and MMA fighters were recruited and enrolled prior to sparring sessions and matches conducted in the Boston, MA, area.

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