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Considerations on the use of antihypertensive blockers of the renin-angiotensin system in adults and children in the face of the COVID-19 pandemic.
Vázquez-Cornejo, Edmundo.
  • Vázquez-Cornejo E; Unidad de Apoyo al Predictamen, Hospital Infantil de México Federico Gómez, Mexico City, Mexico.
Bol Med Hosp Infant Mex ; 77(5): 274-281, 2020.
Article in English | MEDLINE | ID: covidwho-859321
ABSTRACT
As severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected patients with hypertension and other cardiovascular comorbidities develop more severe coronavirus disease (COVID)-19 and are at high risk of death, a controversy arose about the use of antihypertensives as angiotensin-converting enzyme inhibitors (ACEis) and angiotensin II receptor blockers (ARBs). Such drugs might increase the expression of the fundamental receptor of this new infectious agent the angiotensin-converting enzyme 2 (ACE2). Preclinical observations indicate that the increase of ACE2 expression or the activity by ACEis and ARBs leads to a greater transformation of angiotensin (Ang)-II to Ang-(1-7), which is associated with positive effects on cardiovascular and pulmonary pathophysiology. This association has been demonstrated in observational studies in patients with cardiovascular pathology and pneumonia. It has not been possible to confirm whether users of ACEis or ARBs are more infected by the new coronavirus, due to methodological issues in studies with patients infected with SARS-CoV-2. However, the use of such antihypertensive treatments in both children and adults might reduce the virulence of infection. Therefore, changes in the antihypertensive therapy of patients at risk of contracting COVID-19 are not recommended.
RESUMEN
Los pacientes con hipertensión y otra comorbilidad cardiovascular infectados con SARS-CoV-2 desarrollan cuadros más graves de COVID-19 y con mayor frecuencia fallecen. Este hecho ha originado una controversia acerca del uso de antihipertensivos inhibidores de la enzima convertidora de la angiotensina (IECA) y de antagonistas de los receptores de la angiotensina II (ARA-II), pues tales medicamentos pueden incrementar la expresión del receptor funcional de este nuevo agente infeccioso la enzima convertidora de la angiotensina 2 (ECA2). Las observaciones preclínicas indican que el aumento de la expresión o de la actividad de la ECA2 por uso de IECA o ARA-II conduce a una mayor transformación de angiotensina 2 a a angiotensina 1-7, la cual se asocia con efectos positivos sobre la fisiopatología pulmonar y cardiovascular. En estudios observacionales de pacientes con patología cardiovascular y neumonía se ha confirmado esta asociación. La falta de evidencia contundente debida a aspectos metodológicos en estudios con pacientes infectados con SARS-CoV-2 no permite confirmar si los usuarios de IECA o ARA-II se contagian más con el nuevo coronavirus. Sin embargo, continuar con tales medicamentos antihipertensivos, tanto en adultos como en niños, podría reducir la virulencia de la infección. Por ello, no se recomienda cambiar la terapia antihipertensiva en los pacientes susceptibles a la COVID-19.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Betacoronavirus / Antihypertensive Agents Type of study: Observational study / Prognostic study Limits: Adult / Animals / Child / Humans Language: English Journal: Bol Med Hosp Infant Mex Year: 2020 Document Type: Article Affiliation country: BMHIM.20000158

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Betacoronavirus / Antihypertensive Agents Type of study: Observational study / Prognostic study Limits: Adult / Animals / Child / Humans Language: English Journal: Bol Med Hosp Infant Mex Year: 2020 Document Type: Article Affiliation country: BMHIM.20000158