NeuroImage. Clinical · 2017
High-dose antidepressants affect near-infrared spectroscopy signals: A retrospective study.
СтатьяНазвание и аннотация: Перевод в очереди
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Takamiya Akihiro, Hirano Jinichi, Ebuchi Yuki, Ogino Satoyuki, Shimegi Kenichi, Emura Hiroyuki, Yonemori Kyoko, Shimazawa Akiko, Miura Gentaro, Hyodo Ayako, Hyodo Sari, Nagai Tunetaka, Funaki Madoka, Sugihara Masako, Kita Mitsuhiro, Yamagata Bun, Mimura Masaru
Аннотация
BACKGROUND: Recent studies have highlighted the clinical usefulness of near-infrared spectroscopy (NIRS) in psychiatry. However, the potential effects of psychotropics on NIRS signals remain unknown.
METHODS: We conducted a systematic chart review of 40 depressed patients who underwent NIRS scans during a verbal fluency task to clarify the relationships between psychotropic dosage and NIRS signals. The dosage of psychotropic medications was calculated using defined daily dose (DDD). We investigated the associations between the DDD of psychotropic medications and oxygenated hemoglobin (oxy-Hb) in single channel levels.
LIMITATIONS: Retrospective study design and small sample size are the main limitations.
RESULTS: Multiple regression analysis revealed that one channel in the right temporoparietal region had a significant association with antidepressant DDD controlling for age, sex, depression severity, and the DDD of antipsychotics and benzodiazepines. Moreover, high doses of antidepressants had significant effects on NIRS signals compared with low doses, in group comparisons.
CONCLUSIONS: The dose-dependent impact of antidepressants on NIRS signals should be taken into account when interpreting NIRS data.
METHODS: We conducted a systematic chart review of 40 depressed patients who underwent NIRS scans during a verbal fluency task to clarify the relationships between psychotropic dosage and NIRS signals. The dosage of psychotropic medications was calculated using defined daily dose (DDD). We investigated the associations between the DDD of psychotropic medications and oxygenated hemoglobin (oxy-Hb) in single channel levels.
LIMITATIONS: Retrospective study design and small sample size are the main limitations.
RESULTS: Multiple regression analysis revealed that one channel in the right temporoparietal region had a significant association with antidepressant DDD controlling for age, sex, depression severity, and the DDD of antipsychotics and benzodiazepines. Moreover, high doses of antidepressants had significant effects on NIRS signals compared with low doses, in group comparisons.
CONCLUSIONS: The dose-dependent impact of antidepressants on NIRS signals should be taken into account when interpreting NIRS data.