International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2019
Visual and brainstem auditory evoked potentials in HCV-infected patients before and after interferon-free therapy - A pilot study.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Waliszewska-Prosół Marta, Bladowska Joanna, Ejma Maria, Fleischer-Stępniewska Katarzyna, Rymer Weronika, Sąsiadek Marek, Pawłowski Tomasz, Małyszczak Krzysztof, Inglot Małgorzata, Żelwetro Agnieszka, Podgórski Przemysław, Knysz Brygida
Аннотация
INTRODUCTION: The aim of this study was to investigate brain bioelectrical activity disturbances in HCV-positive patients before and 24 weeks after interferon-free therapy (DAA), using visual (VEP) and brainstem (BAEP) evoked potentials and advanced magnetic resonance techniques.
MATERIALS AND METHODS: 11 HCV-infected patients (6 women, 5 men, mean age 51 years old) and 30 healthy controls, sex and age-matched, were studied. Clinical neurological examinations, VEP, BAEP, diffusion tensor imaging (DTI) and perfusion weighted imaging (PWI) were performed.
RESULTS: 11 patients achieved a sustained viral response, and liver fibrosis regression in APRI and in elastography were observed. The mean P100 latency was significantly shorter in HCV-patients after therapy compared to the values before treatment (p<0.05). The mean wave BAEP V latency and I-V interpeak latency were significantly longer in the HCV-infected patients before therapy compared to HCV-patients after therapy.
CONCLUSIONS: This study confirms that treatment with DAA in patients with chronic HCV infection positively affects the bioelectrical activity of the brain. An increase in the amplitude of EP after treatment indicates an improvement in the activity of the cerebral cortex. EP examination may be a useful method of assessing the function of the nervous system before and after antiviral treatment.
MATERIALS AND METHODS: 11 HCV-infected patients (6 women, 5 men, mean age 51 years old) and 30 healthy controls, sex and age-matched, were studied. Clinical neurological examinations, VEP, BAEP, diffusion tensor imaging (DTI) and perfusion weighted imaging (PWI) were performed.
RESULTS: 11 patients achieved a sustained viral response, and liver fibrosis regression in APRI and in elastography were observed. The mean P100 latency was significantly shorter in HCV-patients after therapy compared to the values before treatment (p<0.05). The mean wave BAEP V latency and I-V interpeak latency were significantly longer in the HCV-infected patients before therapy compared to HCV-patients after therapy.
CONCLUSIONS: This study confirms that treatment with DAA in patients with chronic HCV infection positively affects the bioelectrical activity of the brain. An increase in the amplitude of EP after treatment indicates an improvement in the activity of the cerebral cortex. EP examination may be a useful method of assessing the function of the nervous system before and after antiviral treatment.