Key result
Next-generation sequencing rapidly identifies a novel astrovirus in progressive encephalitis to guide tailored therapy.
Why the study?
Does next-generation sequencing improve diagnosis and allow tailored therapy in a patient with progressive encephalitis of unknown etiology?
Case Report (n=1)
Does next-generation sequencing improve diagnosis and allow tailored therapy in a patient with progressive encephalitis of unknown etiology?
Next-generation sequencing can successfully identify novel pathogens like astrovirus in immunocompromised patients with progressive encephalitis when standard PCR fails, enabling tailored therapy.
Answers are grounded in this paper and cite their sources.
May aid NGS-guided diagnosis in unexplained encephalitis when PCR fails; hypothesis-generating and requires prospective validation.
A boy with X-linked agammaglobulinemia experienced progressive global motor decline, cerebellar syndrome, and epilepsy. All standard polymerase chain reactions for neurotropic viruses were negative on cerebrospinal fluid and brain biopsy. Next-generation sequencing allowed fast identification of a new astrovirus strain (HAstV-VA1/HMO-C-PA), which led to tailor the patient's treatment, with encouraging clinical monitoring over 1 year.
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Frémond et al. (2015) conducted a case report in Astrovirus-Associated Progressive Encephalitis (n=1). Next-generation sequencing vs. Standard polymerase chain reactions was evaluated on Identification of pathogen. Next-generation sequencing allowed fast identification of a new astrovirus strain (HAstV-VA1/HMO-C-PA) in a boy with progressive encephalitis, leading to tailored treatment and encouraging 1-year outcomes.
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