억제두부충동검사에서의 반보상적 단속운동과 수평단속안구운동검사와의 관련성
Relation Between Horizontal Saccade Test and Anti-Compensatory Saccade in the Suppression Head Impulse Test Paradigm
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Background and Objectives There is limited study reported on the relationship betweenhorizontal saccades and anti-compensatory saccades (ACS) in the suppression head impulseparadigm (SHIMP). We investigated the relationship between horizontal saccades and ACS inSHIMP in individuals with normal vestibular function and determined the correlation between the associated factors. Subjects and Method Medical records of 79 patients with normal vestibular function andbrain magnetic resonance images were retrospectively reviewed. Results ACS and horizontal saccades results were strongly correlated with velocity (R=0.345, p<0.001) and latency (R=0.547, p<0.001). The latency of ACS was significantly shorter(p<0.001) than that of horizontal saccades. The velocity of ACS was negatively correlatedwith the latencies of ACS (R=-0.318, p<0.001) and horizontal saccades (R=-0.322, p<0.001). Bilateral ACS latency (R=0.384 and 0.471 in right and left, p<0.001 in both side) and left sideACS velocity (R=-0.263, p=0.019) were significantly affected by age. Conclusion ACS in the SHIMP was strongly correlated with horizontal saccades. However,the latency of ACS was shorter than that of horizontal saccades. Therefore, patient age and results of the horizontal saccades tests should be considered while interpreting the ACS velocity,which reflects vestibulo-ocular reflex function in patients with vestibulopathy
Abstract
Background and Objectives There is limited study reported on the relationship betweenhorizontal saccades and anti-compensatory saccades (ACS) in the suppression head impulseparadigm (SHIMP). We investigated the relationship between horizontal saccades and ACS inSHIMP in individuals with normal vestibular function and determined the correlation between the associated factors. Subjects and Method Medical records of 79 patients with normal vestibular function andbrain magnetic resonance images were retrospectively reviewed. Results ACS and horizontal saccades results were strongly correlated with velocity (R=0.345, p<0.001) and latency (R=0.547, p<0.001). The latency of ACS was significantly shorter(p<0.001) than that of horizontal saccades. The velocity of ACS was negatively correlatedwith the latencies of ACS (R=-0.318, p<0.001) and horizontal saccades (R=-0.322, p<0.001). Bilateral ACS latency (R=0.384 and 0.471 in right and left, p<0.001 in both side) and left sideACS velocity (R=-0.263, p=0.019) were significantly affected by age. Conclusion ACS in the SHIMP was strongly correlated with horizontal saccades. However,the latency of ACS was shorter than that of horizontal saccades. Therefore, patient age and results of the horizontal saccades tests should be considered while interpreting the ACS velocity,which reflects vestibulo-ocular reflex function in patients with vestibulopathy
참고문헌 (13)
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