Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2016
Visual pathway abnormalities in tuberculous meningitis.
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Maurya Pradeep Kumar, Singh Ajai Kumar, Sharma Lalit, Kulshreshtha Dinkar, Thacker Anup Kumar
Аннотация
Ophthalmological complications are common and disabling in patients with tuberculous meningitis. We aimed to study the visual pathway abnormalities in patients with tuberculous meningitis. Forty-three patients with tuberculous meningitis were subjected to visual evoked responses (VER) and neuroophthalmologic assessment. Neuroophthalmologic assessment revealed abnormalities in 22 (51.3%) patients. VER were found to be abnormal in 27 (62.8%) patients. The VER abnormalities included prolonged P100 latencies with relatively normal amplitude and significant interocular latency differences. Visual pathways abnormalities are common in patients with tuberculous meningitis and are often subclinical. Pathophysiologic explanations for electrophysiological abnormalities on VER in these patients are incompletely understood and needs further exploration.