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?:abstract
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COVID-19 is a new disease, whose several atypical clinical manifestations began to be observed with the evolution of the pandemic, and have been investigated to understand the pathophysiology of the disease In this article, the objective is to describe a case of angioedema in COVID-19, considered an atypical manifestation, and rarely described in the literature The case is of a 55-year-old patient who sought medical attention for a complaint of intermittent fever for four days On the seventh day, he manifested angioedema in the left zygomatic projection and the right subpalpebral region The patient had no history of angioedema earlier in life The following day, he presented a regression of the angioedema concerning the previous day After this period, the patient progressed well and became asymptomatic The RT-PCR laboratory test performed on the first days of manifesting symptoms was positive for SARS-CoV-2 We correlate the onset of angioedema with the possible endotheliitis present in the disease, which has been evidenced by the observation of severe endothelial injury associated with the intracellular presence of the virus in several histopathological studies of patients with COVID-19 Also, possible deregulation of the Kininogen-Kallikrein-Kinin System (KKKS) could explain this manifestation, as SARS-CoV-2 binds to the ACE2 receptor, which is responsible for degrading kinins, such as bradykinin © 2020 Faculdade de Medicina de Ribeirao Preto - U S P All rights reserved
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