Discover and read the best of Twitter Threads about #symptomatic

Most recents (8)

#Tenecteplase #TNK
Part 1
✅3rd generation rtPA
🧬Targeted genetic upgrade
3 specific alterations to #alteplase molecule:
👉⬆️Half life
👉⬆️Binding affinity for #fibrin
👉⬆️Resistance to inactivation by #PAI-1 Image

👉⬆️T1/2 allows single bolus dosing and⬆️clot exposure to TNK
👉Higher affinity to fibrin-rich clots & + potent/faster clot #lysis vs alteplase
👉 < consumption of fibrinogen/plasminogen/ a2- antiplasmin👉⬇️systemic fibrinolytic effect👉⏬risk for bleeding Image
First analysis in stroke patients was a #dose-scalation safety study
There was no #symptomatic ICHs in dosis of 0.1-0.2-0.4mg/kg, and 15% (2 of 13) in 0.5mg/kg
No differences in clinical outcomes ImageImage
Read 11 tweets
#CarotidArteryDisease #CAD

#CAD causes ~ 10-20% of #strokes
Atherosclerosis occurs most frequently at carotid #bifurcation, an area of low vessel-wall shear stress and oscillatory/turbulent blood flow

Welcome to this mini review!
Endothelial dysfunction
Inflammatory response to Lp retention in arterial wall
Accelerated accumulation of Lp in subendothelial matrix
VSCM migrate/proliferate to fibroblast-like cells👉 production of EC matrix…
Stroke Mechanisms
#artery_to_artery embolization: retinal (amaurosis fugax) or cerebral circulation
#thrombosis in situ
#Flow reduction in high grade stenosis: #watershed infarcts, repetitive and brief TIAs (ie limb shaking)…
Read 12 tweets
How well are the current #Covid vaccines performing?

In all fairness, we can say they are offering high protection against severe disease & deaths; considerable protection against the symptomatic disease; but only modest protection ag. infections/transmission of the disease 1/
To put it another way, the vaccines are contributing little to our fight against the frequent surges of the #SARSCoV2 virus.

This leads to one pertinent question:

What ought to be the prime objective of the vaccination particularly amid an intense pandemic? 2/
To resist the ongoing outbreak or avoid hospitalizations and deaths?

A four-fold reduction in the hospitalisation & death rates is not much use if we just allow infections to reach four-fold the previous peak. 3/
Read 32 tweets
A metal ion orients SARS-CoV-2 mRNA to ensure accurate 2′-O methylation of its first nucleotide
The #SARSCoV2 #coronavirus is able to utilize the changes in metal ion concentrations to disguise itself in the human host body thus evading immune responses. Image
Efficacy of #clarithromycin on #COVID19 pneumonia without oxygen administration; protocol for multicenter, open-label, randomized-controlled, 3-armed parallel group comparison, exploratory trial #CAMECOVID
Japan Registry of Clinical Trials jRCTs071210011 Image
The influence of #HLA genotype on the severity of #COVID19 infection
A genetic link has been discovered explaining why some people catch #Covid but don't get sick. The gene is found three times as often in people who are #asymptomatic. Image
Read 199 tweets
🔝5 Concerns about #SARSCoV2 #Biology: A Call to Pause, Deliberate, and Revise Policy─This review is intended both as a basic resource and to initiate an open and critical dialog about SARS-CoV-2 biology for an independent and public call to action.…
Structural basis of ribosomal #frameshifting during translation of the #SARSCoV2 #RNA #genome
A unique feature of the SARS-CoV-2 genome controls protein synthesis and presents an "Achilles heel" of the virus. Image
Brainstem neuropathology in two cases of #COVID19: #SARSCoV2 trafficking between #brain and #lung
Neuropathologic evidence strongly suggests that the pathophysiology of COVID-19 related respiratory failure includes a neurogenic component. Image
Read 213 tweets
Reducing #COVID19 #Airborne #Transmission Risks on #PublicTransportation Buses
Wearing of #facemasks reduced the overall particle count released into the bus by an average of 50%, the dispersion distance by several feet and #aerosol particles by 84.36%. Image
🔝#SARSCoV2 Infects Human Engineered Heart Tissues and Models COVID-19 Myocarditis
#COVID19 can kill heart muscle cells, interfere with contraction. Details of how #coronavirus infects #heart: models of tissue damage may help develop potential therapies. Image
High-content screening of coronavirus genes for innate immune suppression reveals enhanced potency of SARS-CoV-2 proteins
196 protein products of seven coronaviruses: the genes encoded by #SARSCoV2 are generally more potent immune suppressors than others Image
Read 236 tweets
⚠️#Ocular #MRI Findings in Patients with Severe #COVID19: A Retrospective Multicenter Observational Study
All patients had nodules in the macular region, 8/9 (89%) had bilateral nodules, 2/9 (22%) had nodules outside the macular region. Screening needed. Image
⚠️🔝New-Onset #IgG #Autoantibodies in Hospitalized Patients with #COVID19
An international team of researchers studying COVID-19 has made a startling and pivotal discovery: The virus appears to cause the body to make weapons to attack its own tissues. Image
⚠️🔝Patterns of myocardial injury in recovered troponin-positive COVID-19 patients assessed by cardiovascular magnetic resonance
Damage to the heart found in more than half of #COVID19 patients discharged from hospital who show raised levels of troponin. Image
Read 235 tweets
UP: Two more test positive for #Covid-19 in #Aligarh@TOIWestUPDoon⁩ ⁦⁦…
Aligarh admin has #cancelled the #license of Mittal Diagnostics centre for conducting X-ray of a #covid positive patient who was #symptomatic.
Aligarh #DM issued a #notice to JN Medical college for not informing about a patient admitted in the hospital, who later tested #positive for #coronavirus.
Read 3 tweets

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