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Vipin M. Vashishtha Profile picture
@vipintukur
Jun 10 • 2 tweets • 2 min read • Read on X
A systematic review found that 35–55% of children & adolescents with #LongCOVID show Post COVID Neurological Syndrome (PCNS), with clinically significant impairments in complex attention, learning & memory, working memory and executive function. 1/ Image
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Further research is needed to assess impacts of infection severity and repeated infection. However, this analysis provides insights into the nature of PCNS-associated complications to aid more detailed management strategies for children & adolescents 2/

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More from @vipintukur

Vipin M. Vashishtha Profile picture
Jun 5
A NEW preprint found that submaximal exercise in people with #LongCOVID caused large microclots to fragment into smaller microclots and this then triggered increases in inflammatory and vascular injury markers. 1/ Image
The breakdown of large microclots, rather than clearing them from circulation, was linked to reduced oxygen uptake and heightened inflammation. 2/ Image
The data suggest that while the immune system tries to control inflammation caused by microclot fragmentation after physical exertion, its compensatory mechanisms are inadequate or failing. 3/ Image
Read 6 tweets
Vipin M. Vashishtha Profile picture
Jun 2
Globally, NB.1.8.1 is now the dominant variant. The WHO has issued a warning about rising COVID-19 activity in the Western Pacific, Southeast Asia, and Eastern Mediterranean, driven by NB.1.8.1 this week.

H/T: @RajlabN Image
Classified as a "variant under monitoring" by the WHO & “ Nimbus” by @TRyanGregory, NB.1.8.1 has triggered a seventh consecutive week of surges in Southeast Asia. Taiwan has seen ER visits double again this week. 2/

focustaiwan.tw/society/202505…
@TRyanGregory China is reporting widespread infections with NB.1.8.1 causing severe throat pain described as “razor blade throat.”

However, the #Nimbus aka NB.1.8.1 wave in Hong Kong and Singapore may have peaked. 3/ Image
Read 7 tweets
Vipin M. Vashishtha Profile picture
May 31
The relationship between the gut and #LongCOVID:

Researchers found that people with LongCOVID fatigue have damaged gut barriers & signs of immune activation.

Preexisting gastrointestinal symptoms before COVID infection predisposed people to developing LongCOVID fatigue. 1/ Image
LongCOVID patients were found to have an increased LBP/sCD14 ratio & lower IL-33 levels, which indicates altered immune activation & a reduced intestinal barrier. In addition, there were increased IL-6 levels, which are considered a marker for systemic inflammation. 2/ Image
LBP/sCD14 is the ratio of lipopolysaccharide binding protein to soluble CD14.

This study emphasizes the impact of SARS-CoV-2 infection on the gut, which might be associated with the onset of Fatigue seen in LongCovid patients. 3/ Image
Read 4 tweets
Vipin M. Vashishtha Profile picture
May 29
A new study from Germany found that intravenous administration of the SARS-CoV-2 spike protein in mice led to neuroinflammation and accumulation of alpha-synuclein in brain regions associated with Parkinson’s disease. 1/ Image
Authors also discovered “sex-dependent alterations in astrocyte reactivity and parvalbumin-positive interneurons.” 2/ Image
These findings suggest that exposure to the spike protein alone, without full viral infection, may contribute to neurodegenerative processes linked to Parkinson's, thus highlighting potential long-term neurological risks following COVID infection. 3/ Image
Read 6 tweets
Vipin M. Vashishtha Profile picture
May 28
A significant discovery in the fight against #LongCovid!

➡️ Researchers have identified the epipharynx, a part of the pharynx, as a key site for chronic inflammation driven by residual SARS-CoV-2 RNA. 1/ Image
Using a next-generation molecular mapping technology called Visium HD spatial transcriptomics, researchers from Japan provided the world's first high-resolution spatial gene expression analysis of the epipharynx in patients with longCOVID. 2/ Image
According to the study, the viral RNA from SARS-CoV-2 can persist in the epipharynx for more than six months post-infection, and here they activate local immune signals in specialized cells like B cells, plasmacytoid dendritic cells, and ciliated epithelial cells. 3/ Image
Read 13 tweets
Vipin M. Vashishtha Profile picture
May 24
A new article on #LongCOVID shows that millions of Americans continue to suffer from LongCOVID which is a very complex and heterogeneous disease, with no diagnostic tests and no approved treatments. 1/ Image
New clinical trials will target specific biological pathways including immune dysfunction and autoimmunity, viral persistence, and microclots rather than treating LongCOVID as a single disease. 2/ Image
Trials include REVERSE-LC, which will use the immune-modulating drug baricitinib, and ADDRESS-LC, which will test bezisterim, a novel anti-inflammatory that can cross the blood-brain barrier. 3/ Image
Read 4 tweets

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