Dataset Information

Use of Imaging Technology to Assess the Effect of COVID-19 on Retinal Tissues: A Systematic Review.

ABSTRACT:

Purpose

To evaluate the effect of COVID-19 on retinal tissues by conducting a systematic review and meta-analysis of the current literature.

Background

The novel coronavirus disease is not yet well understood. The orbit provides a window into the body's microvasculature, and as such, it is a non-invasive opportunity to analyse the systemic circulation in vivo. By analysing the current literature, we test the hypothesis that non-invasive imaging of the retina could provide insight into the effect of COVID-19 on the retinal microvasculature.

Methods

For this systematic review and meta-analysis, we screened PubMed databases and LitCOVID19 using the search criteria: (OCTA or Optical Coherence Tomography Angiography) AND (COVID-19 or corona or SARS-CoV-2) AND (retina or fundus). Databases were searched on 11 January 2022. The primary study outcomes were studies that utilised OCTA to analyse the retina; secondary outcomes involved studies that involved other imaging modalities such as OCT, fundus photography, and fundus autofluorescence.

Findings

The total number of studies included in this review was 32. Optical coherence tomography angiography scans show reduced central retinal vascular density, a thinner ganglion cell layer, a thicker retinal nerve fibre layer, and an enlarged foveal avascular zone. Optical coherence tomography scans demonstrate a thicker central macular thickness and other changes to the macula, ganglion cell, and inner nuclear layers. Many fundus photographs depicted cotton wool spots, microhaemorrhages, and vascular occlusions. Non-invasive imaging technology has demonstrated that COVID-19 can profoundly affect the retina. Therefore, there is a requirement for long-term follow-up of COVID-19 patients to assess whether the retinal damage caused by COVID-19 is reversible.

SUBMITTER: McGrath OE

PROVIDER: S-EPMC9053559 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Publications

Use of Imaging Technology to Assess the Effect of COVID-19 on Retinal Tissues: A Systematic Review.

McGrath Orlaith E OE Aslam Tariq M TM

Ophthalmology and therapy 20220429 3

<h4>Purpose</h4>To evaluate the effect of COVID-19 on retinal tissues by conducting a systematic review and meta-analysis of the current literature.<h4>Background</h4>The novel coronavirus disease is not yet well understood. The orbit provides a window into the body's microvasculature, and as such, it is a non-invasive opportunity to analyse the systemic circulation in vivo. By analysing the current literature, we test the hypothesis that non-invasive imaging of the retina could provide insight ...[more]

PMID: 35488102

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Project description:IntroductionThis study assessed the effect of the COVID-19 pandemic on preventive care imaging and potential disparities because preventive care may be perceived as nonurgent. The objective was to identify the associations between the COVID-19 pandemic and changes in preventive imaging volumes for patients in general and as affected by race and ethnicities.MethodsThe authors performed a retrospective observational study by extracting the weekly volumes of all imaging studies between January 7, 2019 and May 1, 2022 from a radiology data warehouse at a tertiary care medical center (n=92,105 preventive imaging studies and 3,493,063 total radiology imaging studies) and compared preshutdown with postshutdown periods using a 2-sample t-test. Additional comparisons stratified by race and ethnicity were performed for mammograms and bone density examinations using interrupted time series models with negative binomial error distribution to assess the immediate level change and trends over time of preventive imaging volumes after shutdown.ResultsThe authors found a significant decrease in bilateral mammograms, bone density examinations, and aortic ultrasound examinations in the postshutdown period compared with those in the preshutdown period (p<0.001, p=0.003, and p=0.001, respectively). There were no significant changes in low-dose computed tomography chest examinations (p=0.46). The shutdown was associated with a significant immediate decrease in mammograms in the Hispanic and Latino group to approximately three quarters of its preshutdown level (p=0.04). For bone density examinations, postshutdown weekly volumes tripled compared with the preshutdown volumes for Hispanic or Latino patients and doubled for non-Hispanic Black patients (p<0.0001 for both). In comparison, a significant decrease was seen for Other patients (reduced to nearly a fifth of preshutdown volume) (p<0.0001).ConclusionsThere was a significant decrease in overall volume of bilateral mammograms, bone density examinations, and aortic ultrasound examinations after pandemic shutdown. For mammograms, some of this decreasing trend was already seen before shutdown (such as for patients with Other race), so the shutdown was only specifically associated with an immediate decrease in mammogram levels in the Hispanic and Latino group. For bone density examinations, the shutdown was unexpectedly associated with an increase in volumes for Hispanic or Latino patients and non-Hispanic Black patients, which was countered by a significant steep decrease in volumes only for patients of Other race. Health systems should carefully explore their preventive screening examination volumes to determine which patients should be actively engaged to assure catch up on recommended care.

Project description:BackgroundSelf-care behaviors are essential for people living with chronic conditions; however, the outbreak of the COVID-19 pandemic has imposed additional complications on their daily routines. Few studies have analyzed how self-care behaviors have changed during COVID-19 and the role of digital technology, especially among people with chronic conditions.ObjectiveThis study aims to review how self-care behaviors have changed for people with chronic conditions during the COVID-19 pandemic, and what technology they have adopted to manage their conditions during that period.MethodsA systematic review was conducted using narrative synthesis. Data were extracted from PubMed, MEDLINE, EMBASE, PsycINFO, CINAHL, and Google Scholar, including articles from December 2019 onward. Eligible studies focused on adults diagnosed with chronic conditions undertaking any self-care tasks in line with the middle-range theory of self-care of chronic illness (ie, self-care maintenance, monitoring, and management). The methodological quality of the included articles was assessed with the McMaster Critical Review Forms for Quantitative or Qualitative Studies.ResultsIn total, 36 primary research articles were included. Changes to self-care behaviors during COVID-19 among people with chronic conditions were organized according to the middle-range theory of self-care of chronic illness focusing on self-care maintenance (ie, medication adherence, physical activity, and diet control), self-care monitoring (ie, monitoring signs and symptoms), and self-care management (ie, consultations with health care providers). Positive self-care behaviors observed include the following: individuals trying to maintain good glycemic control during COVID-19 increased their medication adherence in 27% (10/36) of studies; and diet control improved in 50% (18/36) of studies. Negative self-care behaviors observed include the following: decline in physical activities and increased sedentariness were observed in 65% (23/36) of studies; poor diet control was observed in 57% (21/36) of studies; and self-monitoring of health status dropped in 43% (15/36) of studies. The use of technology to support self-care of chronic conditions during COVID-19 was reported in 72% (26/36) of studies. The actual use of telehealth in place of physical consultations during COVID-19 was observed in 50% (18/36) of studies, and other digital technologies (eg, social media apps, smartphone apps, web-based platforms, and web browsing) were used in 50% (18/36) of studies. Telehealth was discussed and recommended as the default technology in delivering future health care services during COVID-19 and beyond in 77% (28/36) of studies.ConclusionsThis review highlighted the necessity to rethink how models of self-care should continue to address the demands of chronic conditions while being responsive to the imminent threats of infectious diseases. Perhaps the silver lining of COVID-19 is that adoption of digital technology (especially telehealth) among a vast cross-section of people with chronic conditions is possible. Future research should investigate effective ways to incorporate evidence-based digital health tools into these new models of self-care that address the challenges of chronic and infectious conditions.

Dataset Information

Use of Imaging Technology to Assess the Effect of COVID-19 on Retinal Tissues: A Systematic Review.

Purpose

Background

Methods

Findings

Publications

Use of Imaging Technology to Assess the Effect of COVID-19 on Retinal Tissues: A Systematic Review.

Similar Datasets

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