Category: Heart

Pathophysiology of COVID-19:

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Mechanisms Underlying Disease Severity and Progression Authors: Mary Kathryn Bohn,1,2, Alexandra Hall,1 Lusia Sepiashvili,1,2, Benjamin Jung,1,2 Shannon, Steele,1 and Khosrow Adeli1,2,3 The global epidemiology of coronavirus disease 2019 (COVID-19) suggests a wide spectrum of clinical severity, ranging from asymptomatic to fatal. Although the clinical and laboratory characteristics of COVID-19 patients have been well characterized, the […]

High sensitivity troponin and COVID-19 outcomes

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Authors: Nikolaos Papageorgiou,a,bCatrin Sohrabi,aDavid Prieto Merino,c,dAngelos Tyrlis,aAbed Elfattah Atieh,aBunny Saberwal,aWei-Yao Lim,aAntonio Creta,aMohammed Khanji,aReni Rusinova,aBashistraj Chooneea,aRaj Khiani,d,eNadeev Wijesuriya,e,fAnna Chow,e,fHaroun Butt,e,fStefan Browne,e,fNikhil Joshi,e,fJamie Kay,e,fSyed Ahsan,a and Rui Providenciaa,g Abstract Background Recent reports have demonstrated high troponin levels in patients affected with COVID-19. In the present study, we aimed to determine the association between admission and peak troponin levels and […]

Troponin and BNP Use in COVID-19

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Mar 18, 2020 Cardiology Magazine Authors: James L. Januzzi Jr., MD, FACC What are the potential mechanisms underlying troponin elevation with COVID-19 infection? Rise and/or fall of troponin indicating myocardial injury is common among patients with acute respiratory infections and correlated with disease severity.  Abnormal troponin values are common among those with COVID-19 infection particularly […]

US case series study in children study looking at association of myocarditis with the Pfizer-BioNTech COVID-19 vaccine

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Authors: byUK Science Media Centre|Published onAugust 10, 2021: Prof Peter Openshaw In this case series, 15 cases of myocarditis are described from a single paediatric referral centre in May, June and July 2021.  Each had been given the Pfizer mRNA vaccine between 1 and 6 days prior to diagnosis; children were aged 12-18 years.  In […]

Long covid: Damage to multiple organs presents in young, low risk patients

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Authors: Gareth Iacobucci BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4470 (Published 17 November 2020)Cite this as: BMJ 2020;371:m4470 Young, low risk patients with ongoing symptoms of covid-19 had signs of damage to multiple organs four months after initially being infected, a preprint study has suggested.1 Initial data from 201 patients suggest that almost 70% had impairments in one or more organs four months after […]

Pathological findings in organs and tissues of patients with COVID-19: A systematic review

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Authors: Sasha Peiris, Hector Mesa, Agnes Aysola, Juan Manivel, Joao Toledo, Marcio Borges-Sa, Sylvain Aldighieri, Ludovic Reveiz Abstract Background Coronavirus disease (COVID-19) is the pandemic caused by SARS-CoV-2 that has caused more than 2.2 million deaths worldwide. We summarize the reported pathologic findings on biopsy and autopsy in patients with severe/fatal COVID-19 and documented the […]

Late Complications of COVID-19; a Systematic Review of Current Evidence

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Authors: SeyedAhmad SeyedAlinaghi,1Amir Masoud Afsahi,2Mehrzad MohsseniPour,1Farzane Behnezhad,3Mohammad Amin Salehi,1Alireza Barzegary,4Pegah Mirzapour,1Esmaeil Mehraeen,5,* and Omid Dadras6 Introduction Introduction: COVID-19 is a new rapidly spreading epidemic. The symptoms of this disease could be diverse as the virus can affect any organ in the body of an infected person. This study aimed to investigate the available evidence for long-term complications […]

COVID-19: an update and cardiac involvement

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Authors: Nizar R. Alwaqfi & Khalid S. Ibrahim  Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infects host cells through angiotensin converting enzyme 2 receptors, leading to coronavirus disease (COVID-19)-related pneumonia, and also causing acute cardiac injury and chronic damage to the cardiovascular system. The purpose of this review is primarily reviewing the COVID-19 disease, including pathogen, […]

What Does COVID Do to Your Blood?

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Authors: Panagis Galiatsatos, M.D., M.H.S., Robert Brodsky, M.D. COVID-19 is a very complex illness. The coronavirus that causes COVID-19 attacks the body in many different ways, ranging from mild to life threatening. Different organs and tissues of the body can be affected, including the blood. Robert Brodsky, a blood specialist who directs the Division of […]

SARS-CoV-2 Spike Protein Impairs Endothelial Function via Downregulation of ACE 2

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Authors: Yuyang Lei, Jiao Zhang, Cara R. Schiavon, Ming He, Lili Chen, Hui Shen, Yichi Zhang, Qian Yin, Yoshitake Cho, Leonardo Andrade, Gerald S. Shadel, Mark Hepokoski, Ting Lei, Hongliang Wang, Jin Zhang, Jason X., et. al. SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) infection relies on the binding of S protein (Sprotein (Spike glycoprotein) to ACE (angiotensin-converting enzyme) 2 in the host cells. Vascular endothelium can be infected by […]