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KMID : 0361420140380010013
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Journal of Korean Academy of Rehabilitation Medicine
2014 Volume.38 No. 1 p.13 ~ p.18
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Usefulness of the Combined Motor Evoked and Somatosensory Evoked Potentials for the Predictive Index of Functional Recovery After Primary Pontine Hemorrhage
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Seong Jin-Wan
Kim Min-Ho
Shin Hyo-Keong
Lee Han-Do
Park Jun-Bum
Yang Dong-Seok
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Abstract
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Objective: To investigate the predictive index of functional recovery after primary pontine hemorrhage (PPH) using the combined motor evoked potential (MEP) and somatosensory evoked potential (SEP) in comparison to the hematoma volume and transverse diameter measured with computerized tomography.
Methods: Patients (n=14) with PPH were divided into good- and poor-outcome groups according to the modified Rankin Score (mRS). We evaluated clinical manifestations, radiological characteristics, and the combined MEP and SEP responses. The summed MEP and SEP (EP sum) was compared to the hematoma volume and transverse diameter predictive index of global disability, gait ability, and trunk stability in sitting posture.
Results: All measures of functional status and radiological parameters of the good-outcome group were significantly better than those of the poor-outcome group. The EP sum showed the highest value for the mRS and functional ambulatory category, and transverse diameter showed the highest value for “sitting-unsupported” of Berg Balance Scale.
Conclusion: The combined MEP and SEP is a reliable and useful tool for functional recovery after PPH.
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KEYWORD
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Pontine hemorrhage, Motor evoked potential, Somatosensory evoked potential, Predictive Index
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