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1.
Arch Soc Esp Oftalmol (Engl Ed) ; 96(4): 224-226, 2021 Apr.
Article in English, Spanish | MEDLINE | ID: covidwho-960021

ABSTRACT

This case reports a 20-year-old female patient who was in northern Italy when the state of emergency was declared on the 31st of January 2020, developing 15days after return to Spain upper respiratory symptoms characterized by fever, headache and anosmia that was treated as sinusitis. Three weeks later presented with dizziness and an intermittent horizontal nystagmus with rotatory component. Otorhinolaryngology and neurological examination including MRI were normal. COVID-19 IgG antibodies where positive. In the context of the ongoing pandemic, and associating the symptoms with positive IgG antibodies, we can consider the infection of SARS-CoV-2 as a probable cause of the acquired nystagmus.


Subject(s)
COVID-19 Serological Testing , COVID-19/complications , Nystagmus, Pathologic/etiology , SARS-CoV-2 , Angiotensin-Converting Enzyme 2/analysis , Antibodies, Viral/blood , COVID-19/diagnosis , Cranial Nerves/virology , Female , Humans , Immunoglobulin G/blood , Italy , Neurons/chemistry , SARS-CoV-2/immunology , Sinusitis/diagnosis , Spain , Travel-Related Illness , Young Adult
2.
ACS Chem Neurosci ; 11(13): 1868-1870, 2020 07 01.
Article in English | MEDLINE | ID: covidwho-606648

ABSTRACT

Cytokine storm in COVID-19 is characterized by an excessive inflammatory response to SARS-CoV-2 that is caused by a dysregulated immune system of the host. We are proposing a new hypothesis that SARS-CoV-2 mediated inflammation of nucleus tractus solitarius (NTS) may be responsible for the cytokine storm in COVID 19. The inflamed NTS may result in a dysregulated cholinergic anti-inflammatory pathway and hypothalamic-pituitary-adrenal axis.


Subject(s)
Betacoronavirus/metabolism , Coronavirus Infections/metabolism , Cytokines/metabolism , Pneumonia, Viral/metabolism , Solitary Nucleus/metabolism , Axons/immunology , Axons/metabolism , Axons/virology , Betacoronavirus/immunology , COVID-19 , Coronavirus Infections/immunology , Cranial Nerves/immunology , Cranial Nerves/metabolism , Cranial Nerves/virology , Cytokines/immunology , Humans , Hypothalamo-Hypophyseal System/immunology , Hypothalamo-Hypophyseal System/metabolism , Hypothalamo-Hypophyseal System/virology , Inflammation Mediators/immunology , Inflammation Mediators/metabolism , Pandemics , Pituitary-Adrenal System/immunology , Pituitary-Adrenal System/metabolism , Pituitary-Adrenal System/virology , Pneumonia, Viral/immunology , SARS-CoV-2 , Solitary Nucleus/immunology , Solitary Nucleus/virology
3.
ACS Chem Neurosci ; 11(13): 1865-1867, 2020 07 01.
Article in English | MEDLINE | ID: covidwho-595686

ABSTRACT

Many COVID-19 patients are presenting with atypical clinical features. Happy hypoxemia with almost normal breathing, anosmia in the absence of rhinitis or nasal obstruction, and ageusia are some of the reported atypical clinical findings. Based on the clinical manifestations of the disease, we are proposing a new hypothesis that SARS-CoV-2 mediated inflammation of the nucleus tractus solitarius may be the reason for happy hypoxemia in COVID-19 patients.


Subject(s)
Betacoronavirus , Coronavirus Infections/physiopathology , Hypoxia/physiopathology , Pneumonia, Viral/physiopathology , Solitary Nucleus/physiopathology , Solitary Nucleus/virology , COVID-19 , Coronavirus Infections/complications , Cranial Nerves/physiopathology , Cranial Nerves/virology , Humans , Hypoxia/etiology , Inflammation/etiology , Inflammation/physiopathology , Inflammation/virology , Pandemics , Pneumonia, Viral/complications , SARS-CoV-2
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