Dynamic changes in near-infrared spectroscopy (NIRS) findings in first-episode schizophrenia: a case report

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  • Hatakeyama Tsuyoshi
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Kunii Yasuto
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine Department of Psychiatry, Aizu Medical Center, School of Medicine, Fukushima Medical University
  • Miura Itaru
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Itagaki Shuntaro
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Kono Soichi
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Shiga Tetsuya
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Oshima Sachie
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Nozaki Keiko
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Suzuki Rieko
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine
  • Yabe Hirooki
    Department of Neuropsychiatry, Fukushima Medical University School of Medicine

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Abstract

<p>The clinical course of schizophrenia is characterized by recurrence and chronicity and has a large burden on society.　Nevertheless, diagnosis of schizophrenia is based only on distinctive symptoms and the disease course.　Near-infrared spectroscopy (NIRS) is a useful method for measuring changes in the hemoglobin concentration in the cortical surface area and reflects brain function.　We measured NIRS four times during the clinical course in a patient with first-episode schizophrenia.</p><p>A 17-year-old woman admitted to our hospital because of hallucinations, delusions and appetite loss. After treatment with low-dose antipsychotics, NIRS findings showed a prompt increase in the cerebral blood volume in the frontal region.　On the basis of the clinical course of this patient, we introduce a new point of view, namely, that NIRS findings may be useful as a state marker that indicates the severity of schizophrenia in some cases.</p>

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