All eyes on PCS: analysis of the retinal microvasculature in patients with post-COVID syndrome—study protocol of a 1 year prospective case–control study

Author:

Kuchler TimonORCID,Hausinger Renate,Braunisch Matthias C.,Günthner Roman,Wicklein Rebecca,Knier Benjamin,Bleidißel Nathalie,Maier Matthias,Ribero Andrea,Lech Maciej,Adorjan Kristina,Stubbe Hans,Kotilar Konstantin,Heemann Uwe,Schmaderer Christoph

Abstract

AbstractSince widespread vaccination against COVID-19, the development of effective antiviral drugs, and the decreasing number of patients with COVID-19 in intensive care, the risk from SARS-CoV-2 infection appears less threatening. However, studies show that a significant number of patients suffer from long-term sequelae, even months after SARS-CoV-2 infection. The so-called post-COVID syndrome (PCS) often presents a diagnostic and treatment challenge for physicians. This study protocol describes the “All Eyes on PCS” study, which aims to investigate the retinal microvasculature in PCS patients and COVID-19-recovered patients to provide new insights into the pathophysiology of PCS. “All Eyes on PCS” is a prospective, case–control study with the primary objective of detecting endothelial dysfunction (ED) in patients with PCS. Therefore, we intend to recruit patients with PCS, fully SARS-CoV-2-infection-recovered (CR) participants, and SARS-CoV-2-infection-naïve (CN) participants. Baseline measurements will include: (1) patient-specific characteristics, (2) biochemistry, (3) retinal vessel analysis (RVA), (4) survey questionnaires as patient-reported outcomes measurements (PROMs), (5) optical coherence tomography (OCT), OCT angiography (OCTA), and adaptive optics (AO), (6) blood pressure recordings, (7) handgrip strength test. After 6 months, baseline measurements will be repeated in the PCS cohort, and after 1 year, a telephone query will be conducted to assess residual symptoms and treatment needs. The aim of this study is to gain insight into the pathophysiology of PCS and to provide an objective biomarker for diagnosis and treatment, while also creating a comprehensive clinical database of PCS patients.ClinicalTrials.gov Identifier: NCT05635552; Date: 2.12.2022.

Funder

Bayerisches Staatsministerium für Bildung und Kultus, Wissenschaft und Kunst

Technische Universität München

Publisher

Springer Science and Business Media LLC

Subject

Pharmacology (medical),Biological Psychiatry,Psychiatry and Mental health,General Medicine

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