Hypertension in COVID-19, A Risk Factor for Infection or A Late Consequence?

Maryam Barekat1, Mohammad Amin Shahrbaf1,2, Kosar Rahi1

  • 1Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.

Cell Journal
|August 31, 2022
PubMed

Insights

This study explores how SARS-CoV-2 infection impacts newly diagnosed hypertension (HTN) and its effects on coronavirus disease 2019 (COVID-19) patient morbidity, focusing on the renin-angiotensin system (RAS).

Area of Science:

  • Cardiovascular Medicine
  • Infectious Diseases
  • Pathophysiology

Background:

  • Hypertension (HTN) is frequently correlated with increased morbidity and mortality in SARS-CoV-2 infected patients.
  • SARS-CoV-2 interacts with host cells via the angiotensin-converting enzyme 2 (ACE2) receptor, influencing the renin-angiotensin system (RAS).
  • The RAS exhibits dual roles: pro-inflammatory (ACE/Ang II/AT1R) and anti-inflammatory (ACE2/Ang1-7/Mas axis).

Purpose of the Study:

  • To elucidate the pathophysiology of newly diagnosed hypertension in the context of COVID-19.
  • To analyze the impact of this newly diagnosed HTN on morbidity outcomes in COVID-19 patients.

Main Methods:

  • Review and discussion of existing data on SARS-CoV-2 and hypertension.
  • Analysis of the molecular mechanisms involving the renin-angiotensin system (RAS) in COVID-19 pathophysiology.
  • Correlation of newly diagnosed hypertension with COVID-19 morbidity.

Main Results:

  • SARS-CoV-2 infection modulates the RAS, potentially exacerbating hypertension.
  • The interplay between SARS-CoV-2 and the RAS influences inflammatory responses and disease severity.
  • Newly diagnosed hypertension may represent a significant factor affecting COVID-19 patient morbidity.

Conclusions:

  • Understanding the interaction between SARS-CoV-2 and the RAS is crucial for managing COVID-19 patients with hypertension.
  • Further research is needed to clarify the specific pathways driving morbidity in COVID-19 patients with newly diagnosed HTN.
  • This pathophysiology discussion highlights potential therapeutic targets within the RAS for improved COVID-19 outcomes.

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