Rth2
Biomarker derived risk scores predict venous thromboembolism and major bleeding among patients with COVID-19
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Can COVID-19 increase the risk of developing deep vein thrombosis?
"One study analyzed the sequelae of more than one million people affected in Sweden and noted that the risk of suffering from DVT increases by five times."
Management of venous thromboembolism in COVID-19 - The Pharmaceutical Journal
Related: "Management of venous thromboembolism in COVID-19"
A study reports the first case of an upper extremity deep vein thrombosis (DVT) recurrence due to COVID-19 infection
"A study reports the first case of an upper extremity deep vein thrombosis (DVT) recurrence due to COVID-19 infection..."
What Is a DVT?
"COVID-19 increases people's risk of dangerous blood clots and bleeding for months after infection, researchers say.
The new findings suggest that COVID-19 is an independent risk factor for deep vein thrombosis, pulmonary embolism and bleeding."
The Link Between COVID-19 and Deep Vein Thrombosis
The Link Between COVID-19 and Deep Vein Thrombosis
laurie allee on Twitter
Starting thread on Covid and deep vein thrombosis.
Many COVID patients aged under 20 died within week from onset of symptoms: Japan study
From 2022 It is not just adults that die from COVID-19. A recent study in Japan looked at 41 children under the age of 20 who were infected and died between January and August of this year, 73% within a week after symptom onset
Neurovascular injury with complement activation and inflammation in COVID-19
A study that performed autopsies on the brains of COVID-19 patients who died shortly after infection found all patients had multifocal vascular damage in the brain which was accompanied by widespread endothelial cell activation
COVID-19 takes serious toll on heart health—a full year after recovery
Infected patients develop blood clots, heart inflammation, arrhythmias, and heart failure among others (
Jeff Gilchrist on Twitter
Detailed analysis thread on Twitter: COVID-19: Increased risk of dying from infection and sudden death
This a long thread looks at several studies on death and neurovascular injury along with a whole bunch of sudden death examples of relatively young and healthy people found by @MeetJess . 🧵1/
Persistent clotting protein pathology in Long COVID/Post-Acute Sequelae of COVID-19 (PASC) is accompanied by increased levels of antiplasmin - Cardiovascular Diabetology
"Persistent clotting protein pathology in Long COVID/Post-Acute Sequelae of COVID-19 (PASC) is accompanied by increased levels of antiplasmin"
Virtually all children infected with COVID-19 show signs of blood vessel damage, study shows
From 2020: "Virtually all children infected with COVID-19 show signs of blood vessel damage, study shows"
Expert’s warning as nearly one in four Covid patients show signs of blood clotting a year later
"Up to a quarter of patients discharged from hospital after Covid-19 treatment are still showing “unusual” blood clotting activity up to one year later."
COVID-19 and the Brain
From 2020: "Vascular events such as strokes have been reported in COVID-19 patients. It is thought that SARS-CoV-2 causes a thickening of the blood, which leads to blood clots"
Dr Claire Taylor on Twitter
1/A reminder that #LongCovid patients have microclots. We are sending children to school with no mitigations and a 5% chance of a disease that damages you blood vessels.🩸 ALL 80 patients tested in this paper had moderate microclots. Green is microclots.
Resia Pretorius on Twitter
Excited to share our webinar: “COVID-induced Coagulopathy (CAC): The clot thickens…or not?" presented by Dr Mark Walsh, myself and @dbkell , and moderated by @doctorasadkhan It is available at
laurie allee on Twitter
Starting thread on Covid and strokes. (I will link this thread in my other threads on vascular, heart and brain damage from Covid.)
What Does COVID Do to Your Blood?
The Impact of Covid-19 Blood Clots Throughout the Body:
New study offers clues as to how long COVID affects the heart | Houston Public Media
“A study from Houston Methodist found some #LongCovid patients aren't getting enough blood to their heart.. The ability of endothelial cells, which play a key role in dilating arteries.. was diminished by 20% among 101 long covid patients who participated”
Long covid clot risk
“COVID-19 triggers a massive release of biomolecules from the immune system…these molecules can gum up the blood and make it more likely to form clots…a new study is showing that people with long COVID have a higher risk of blood clots.”
Blood-clotting imbalance persists in Long COVID, research finds
"higher levels of blood-clotting booster called von Willebrand Factor, lower levels of protein that normally breaks down VWF...blood vessels still being damaged long after the initial infection, & specific cells of the immune system were at abnormal levels
A central role for amyloid fibrin microclots in long COVID/PASC: origins and therapeutic implications
“The result, as is strongly manifested in platelet-poor plasma (PPP) of individuals with Long COVID, is extensive fibrin amyloid microclots that can persist, can entrap other proteins, and that may lead to the production of various autoantibodies.”
Resia Pretorius on Twitter
Typical inflammatory conditions like cardiovascular disease, diabetes etc are known to have hypercoagulation - which is a hallmark of systemic inflammation. Microclots and platelet hyperactivation are both present in these conditions. Longcovid has significantly more microclots
James on Twitter
Patient Anecdote thread on Twitter: Today I travelled 4000miles to get tested for Microclots to test the theory that this is causing my #longcovid symptoms. Turns out I have them. This testing needs to be made accessible to all those suffering around the world so they can be treated (1)
SARS-CoV-2 Mediated Endothelial Dysfunction: The Potential Role of Chronic Oxidative Stress
"Endothelial cells have emerged as key players in SARS-CoV-2 infection and COVID-19 inflammatory pathologies. Dysfunctional endothelial cells can promote chronic inflammation and disease processes like thrombosis, atherosclerosis, and lung injury."
WesElyMD on Twitter
Detailed analysis thread on Twitter: 1/🧵 Micro Clots & Endothelial Dysfunction in Long COVID
Plus new Epidemiology in @JAMA_current some say proves #LongCOVID is a hoax⁉️
Truth is…endothelial dysfunction plus inflammation can lead to life-altering brain & body dz.
Let’s explore data
Long COVID: Coagulopathies and Microclots - RTHM
Long COVID: Coagulopathies and Microclots
Tiny, Menacing Microclots May Explain Long COVID’s Symptoms
“One core question is: Do these microclots actually represent a root cause, or are they in response to something else that's ongoing?” says Michael VanElzakker PhD, co-founder of PolyBio Research Foundation, which is focused on studying viral reservoir:
Tiny, Menacing Microclots May Explain Long COVID’s Symptoms
Hannah Davis on Twitter
Anecdote: Big news: I was lucky to get tested for micro blood clots, & I have a lot of them! #LongCovid
Healthy control blood on the left. Mine on the right. The green is all microclots!
These clots are likely blocking oxygen from getting around my body & could explain many symptoms. 1/