COVID-19 Sequel: Neurological Impact of Social isolation been linked to poorer physical and mental health
Reporter: Aviva Lev-Ari, PhD, RN
UPDATED on 4/13/2021
Toward Understanding COVID-19 Recovery: National Institutes of Health Workshop on Postacute COVID-19
Abstract
Over the past year, the SARS-CoV-2 pandemic has swept the globe, resulting in an enormous worldwide burden of infection and mortality. However, the additional toll resulting from long-term consequences of the pandemic has yet to be tallied. Heterogeneous disease manifestations and syndromes are now recognized among some persons after their initial recovery from SARS-CoV-2 infection, representing in the broadest sense a failure to return to a baseline state of health after acute SARS-CoV-2 infection. On 3 to 4 December 2020, the National Institute of Allergy and Infectious Diseases, in collaboration with other Institutes and Centers of the National Institutes of Health, convened a virtual workshop to summarize existing knowledge on postacute COVID-19 and to identify key knowledge gaps regarding this condition.
Over the past year, the SARS-CoV-2 pandemic has swept the globe, resulting in more than 113 million persons infected and 2.5 million deaths (1). However, the additional toll resulting from long-term consequences of the pandemic has yet to be tallied. Heterogeneous disease manifestations and syndromes are now recognized among some persons after their initial recovery from SARS-CoV-2 infection. Although a standardized case definition does not yet exist for these manifestations, in the broadest sense they represent a failure to return to a baseline state of health after acute SARS-CoV-2 infection. The various terms used to describe this condition have included postacute (or late) sequelae of COVID-19, post-COVID condition or syndrome, long COVID, and long-haul COVID. In this article, we use the general umbrella term of “postacute COVID-19” to refer to multiple disease processes that may have varying degrees of overlap (including but not limited to sequelae of critical illness and hospitalization in persons with COVID-19) and the entity of long COVID, which refers to prolonged health abnormalities in persons previously infected with SARS-CoV-2 who may or may not have required hospitalization. Of note, there is not yet a consensus on terminology, which will likely evolve with a better understanding of this condition.
Reported symptoms are wide-ranging and may involve nearly all organ systems, with fatigue, dyspnea, cognitive dysfunction, anxiety, and depression often described (2–5). Although abnormalities in imaging studies and functional testing have been reported, the long-term clinical significance of some of these findings is not yet clear (3, 6, 7). Postacute manifestations of COVID-19 have been seen in persons of all demographic groups and include reports of multisystem inflammatory syndrome in children (8, 9). Although the epidemiology of the diverse manifestations of postacute COVID-19 is not yet known, the expansive global burden of SARS-CoV-2 infection suggests that the potential public health effects of postacute COVID-19 are significant if even a small proportion of persons with SARS-CoV-2 infection have prolonged recovery or do not return to their baseline health.
On 3 to 4 December 2020, the National Institute of Allergy and Infectious Diseases, in collaboration with other Institutes and Centers of the National Institutes of Health, convened a virtual workshop (available via videocast at https://videocast.nih.gov/watch=38878 and https://videocast.nih.gov/watch=38879) to summarize existing knowledge on postacute COVID-19 and to identify key knowledge gaps. The speakers and participants included epidemiologists, clinicians, clinical and basic scientists, and members of the affected community. The videocast was open to the general public and had more than 1200 registered participants.
UPDATED on 4/7/2021
‘Beyond a Reasonable Doubt’: COVID-19 Brain Health Fallout Is Real, Severe
Sarah Edmonds
April 07, 2021
Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center.
START QUOTE
COVID-19 survivors face a sharply elevated risk of developing psychiatric or neurologic disorders in the six months after they contract the virus — a danger that mounts with symptom severity, new research shows.
In what is purported to be the largest study of its kind to-date, results showed that among 236,379 COVID-19 patients, one third were diagnosed with at least one of 14 psychiatric or neurologic disorders within a 6-month span.
The rate of illnesses, which ranged from depression to stroke, rose sharply among those with COVID-19 symptoms acute enough to require hospitalization.
“If we look at patients who were hospitalized, that rate increased to 39%, and then increased to about just under 1 in 2 patients who needed ICU admission at the time of the COVID-19 diagnosis,” Maxime Taquet, PhD, University of Oxford Department of Psychiatry, Oxford, United Kingdom, told a media briefing.
Incidence jumps to almost two thirds in patients with encephalopathy at the time of COVID-19 diagnosis, he added.
The study, which examined the brain health of 236,379 survivors of COVID-19 via a US database of 81 million electronic health records, was published online April 6 in The Lancet Psychiatry.
High Rate of Neurologic, Psychiatric Disorders
The research team looked at the first-time diagnosis or recurrence of 14 neurologic and psychiatric outcomes in patients with confirmed SARS-CoV-2 infections. They also compared the brain health of this cohort with a control group of those with influenza or with non-COVID respiratory infections over the same period.
SOURCE
The Effects of Loneliness and Our Brain function: poorer physical and mental health
One review of the science of loneliness found that people with stronger social relationships have a 50 per cent increased likelihood of survival over a set period of time compared with those with weaker social connections. Other studies have linked loneliness to cardiovascular disease, inflammation, and depression.
For loneliness researchers the pandemic has provided an unprecedented natural experiment in the impact that social isolation might have on our brains. As millions of people across the world emerge from months of reduced social contact, a new neuroscience of loneliness is starting to figure out why social relationships are so crucial to our health.
Neural basis of Emotion
Desire for Social Interaction
Are there neurological differences between people who experience short-term isolation and those who have been isolated for long stretches of time? What kinds of social interactions satisfy our social cravings? Is a video call enough to quell our need for social contact, or do some people require an in-person connection to really feel satiated?
START QUOTE
Julianne Holt-Lunstad, a psychology professor at Brigham Young University in the US and the author of two major studies on social isolation and health. “We have a lot of data that very robustly shows that both isolation and loneliness put us at increased risk for premature mortality—and conversely, that being socially connected is protective and reduces our risk,” she says.
START QUOTE
“Trying to investigate isolation or loneliness is not as straightforward in humans. In humans, being lonely is not necessarily correlated with how many people are around you,” says Tomova. She is particularly interested in the impact that the pandemic might have had on young people whose cognitive and social skills are still developing. “I think we will see potentially some differences in how their social behavior developed or things like that,” she says. But as is always the case in the uncertain world of loneliness research, the opposite could be true. “It could also be that most people are fine, because maybe social media does fulfill our social needs really well.”
SOURCE
https://www.wired.co.uk/article/lockdown-loneliness-neuroscience
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