Delayed Motor Learning and Psychomotor Slowing in HIV-Infected Children

H. J. von Giesen; T. Niehues; J. Reumel; B. A. Haslinger; J. Ndagijimana; G. Arendt

doi:10.1055/s-2003-42205

Neuropediatrics, Table of Contents

Neuropediatrics 2003; 34(4): 177-181
DOI: 10.1055/s-2003-42205

Original Article

Georg Thieme Verlag Stuttgart · New York

Delayed Motor Learning and Psychomotor Slowing in HIV-Infected Children

H. J. von Giesen¹ , T. Niehues² , J. Reumel¹ , B. A. Haslinger¹ , J. Ndagijimana² , G. Arendt¹

¹Department of Neurology, Heinrich Heine University Düsseldorf, Germany
²Department of Paediatrics, Heinrich Heine University Düsseldorf, Germany

Abstract

Objective

To find out whether HIV-associated subclinical psychomotor slowing is present in HIV-infected children despite effective highly active antiretroviral therapy (HAART).

Patients and Methods

An electrophysiological motor test battery shown to sensitively describe HIV-associated CNS disease in adults (tremor peak frequency []TPF], most rapid alternating movements [MRAM], reaction time [RT] and contraction time [CT]) was performed in 17 HIV seropositive (+) right-handed children. Results were compared to 16 HIV seronegative (-) children.

Results

HIV (-) children showed slower frequencies (TPF, MRAM) and longer RT and CT than (-) adults. They showed a significant correlation (p = 0.0263) between RT (right = dominant hand) and age. HIV (+) children showed significant prolongations of RT (right hand) and CT (both hands) compared to HIV (-) children. RT right hand did not accelerate with age in HIV (+) children. CT were significantly prolonged in 10 children with detectable HIV plasma viral burden and normal in 7 children with no detectable HIV plasma viral load. There was no correlation between CT and CD 4 cell counts.

Conclusions

Despite effective HAART, electrophysiological motor testing in HIV (+) children reveals significant subclinical CNS dysfunction, especially in children with insufficient viral load suppression.

Key words

HIV - children - encephalopathy - psychomotor slowing - central nervous system

Full Text

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PD Dr. med. Hans-Jürgen von Giesen

Department of Neurology, Heinrich Heine University of Düsseldorf

Postfach 101007

40001 Düsseldorf

Germany

Email: giesenhj@uni-duesseldorf.de