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Deprecated: Implicit conversion from float 261.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Autops+Case+Rep 2021 ; 11 (ä): e2021262 Nephropedia Template TP
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COVID-19: a closer look at the pathology in two autopsied cases Is the pericyte at the center of the pathological process in COVID-19? #MMPMID34307223
Daisley H Jr; Rampersad A; Daisley M; Ramdin A; Acco O; Narinesingh F; Humphrey O
Autops Case Rep 2021[]; 11 (ä): e2021262 PMID34307223show ga
We performed autopsies on two cases of COVID-19. The microcirculations of all organs were the site of the pathological findings. Thrombotic microangiopathy was found in the brain and also the kidneys. Vasculitis was also a feature of the autopsy findings, together with portal triaditis of the liver. The major pathological findings in both cases were fibrin deposits. Within the lung, the fibrin deposits were observed in the alveolar microcirculation in sub-endothelial locations of capillaries, arterioles, post capillary venules, and the adventitia of larger vessels. These fibrin deposits in the lungs occurred at the sites where pericytes are located in these vessels. The pericyte with its high concentration of ACE-2 receptors and its procoagulant state may represent one of the primary sites of action of SARS-CoV-2. A review of pericytes in health and disease is undertaken. COVID-19 is a disease of the microcirculation.