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37 Results Found

  • Article
  • Open Access
64 Citations
20,851 Views
18 Pages

24 December 2021

Background and Objectives: Symptoms and hemodynamic findings during orthostatic stress have been reported in both long-haul COVID-19 and myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), but little work has directly compared patients from...

(This article belongs to the Special Issue Chronic Fatigue Syndrome: From Clinical Observations to Unifying Hypotheses of Disease Mechanisms)
  • Article
  • Open Access
29 Citations
18,246 Views
12 Pages

17 October 2022

Background: As complaints of long-haul COVID patients are similar to those of ME/CFS patients and as orthostatic intolerance (OI) plays an important role in the COVID infection symptomatology, we compared 14 long-haul COVID patients with 14 ME/CFS pa...

(This article belongs to the Collection Why Some Patients Never Fully Recover: Post Active Phase of Infection Syndromes (PAPIS))
  • Review
  • Open Access
43 Citations
9,843 Views
19 Pages

Emerging Roles of Type-I Interferons in Neuroinflammation, Neurological Diseases, and Long-Haul COVID

  • Ping-Heng Tan,
  • Jasmine Ji,
  • Chung-Hsi Hsing,
  • Radika Tan and
  • Ru-Rong Ji

19 November 2022

Interferons (IFNs) are pleiotropic cytokines originally identified for their antiviral activity. IFN-α and IFN-β are both type I IFNs that have been used to treat neurological diseases such as multiple sclerosis. Microglia, astrocytes, as...

(This article belongs to the Special Issue Inflammation in the CNS and PNS: From Molecular Basis to Therapy)
  • Article
  • Open Access
25 Citations
16,454 Views
9 Pages

21 October 2022

Background: Postural orthostatic tachycardia syndrome (POTS) has been described early after the onset of the COVID-19 infection, but also orthostatic hypotension (OH). In the present study, we hypothesized that orthostatic intolerance decreases over...

(This article belongs to the Collection Why Some Patients Never Fully Recover: Post Active Phase of Infection Syndromes (PAPIS))
  • Opinion
  • Open Access
28 Citations
11,973 Views
5 Pages

Our Evolving Understanding of ME/CFS

  • Kenneth J. Friedman,
  • Modra Murovska,
  • Derek F. H. Pheby and
  • Paweł Zalewski

26 February 2021

The potential benefits of the scientific insights gleaned from years of treating ME/CFS for the emerging symptoms of COVID-19, and in particular Longhaul- or Longhauler-COVID-19 are discussed in this opinion article. Longhaul COVID-19 is the current...

(This article belongs to the Special Issue ME/CFS: Causes, Clinical Features and Diagnosis)
  • Article
  • Open Access
3,839 Views
24 Pages

Long-Haul COVID: Investigating the Effects Within the Mauritian Context

  • Aïsha B. Soreefan,
  • Manish Putteeraj and
  • Jhoti Somanah

2 January 2025

Background: COVID-19 infection can have a protracted course in many survivors, with varied sociodemographic and medical characteristics, exhibiting a plethora of symptoms that have consequential impacts on their quality of life. This study sought to...

(This article belongs to the Section Long COVID and Post-Acute Sequelae)
  • Case Report
  • Open Access
4 Citations
4,180 Views
8 Pages

1 September 2023

The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection is characterized by severe flu-like symptoms, which can progress to life-threatening systemic inflammation and multiorgan dysfunction. The nervous system is involved in over o...

(This article belongs to the Section Neurorehabilitation)
  • Article
  • Open Access
6 Citations
4,657 Views
16 Pages

Pilot fatigue and alertness are critical for civil aviation safety. Intercontinental pilots are more prone to fatigue and sleepiness due to jet lag, prolonged workdays, and disrupted rhythms. The Civil Aviation Administration of China excused enlarge...

(This article belongs to the Section Health Behavior, Chronic Disease and Health Promotion)
  • Systematic Review
  • Open Access
2 Citations
4,340 Views
18 Pages

The Current Status of OCT and OCTA Imaging for the Diagnosis of Long COVID

  • Helen Jerratsch,
  • Ansgar Beuse,
  • Martin S. Spitzer and
  • Carsten Grohmann

(1) With persistent symptoms emerging as a possible global consequence of COVID-19, the need to understand, diagnose, and treat them is paramount. This systematic review aims to explore the potential of optical coherence tomography (OCT) and/or optic...

(This article belongs to the Topic Optical Coherence Tomography (OCT) and OCT Angiography – Recent Advances)
  • Article
  • Open Access
2 Citations
4,496 Views
23 Pages

The Association between Self-Reported Long COVID Symptoms and COVID-19 Conspiracy Theories in Jordan and Kuwait

  • Malik Sallam,
  • Kholoud Al-Mahzoum,
  • Moudhi Ahmad Alenezi,
  • Maryam Alsaeed,
  • Fatmah Alsaeed,
  • Noor Albayati,
  • Sarah Alkhaldi,
  • Rawan J. Obeidat and
  • Muna Barakat

12 September 2024

Long COVID comprises persistent symptoms that extend beyond four weeks post-SARS-CoV-2 infection. The potential association between long COVID and the endorsement of COVID-19 conspiracy theories has not been explored, particularly in Arab countries,...

(This article belongs to the Special Issue How COVID-19 and Long COVID Changed Individuals and Communities 2.0)
  • Review
  • Open Access
71 Citations
11,220 Views
19 Pages

SARS-CoV-2 Reinfections and Long COVID in the Post-Omicron Phase of the Pandemic

  • Fotini Boufidou,
  • Snežana Medić,
  • Vicky Lampropoulou,
  • Nikolaos Siafakas,
  • Athanasios Tsakris and
  • Cleo Anastassopoulou

19 August 2023

We are reviewing the current state of knowledge on the virological and immunological correlates of long COVID, focusing on recent evidence for the possible association between the increasing number of SARS-CoV-2 reinfections and the parallel pandemic...

(This article belongs to the Section Molecular Pathology, Diagnostics, and Therapeutics)
  • Article
  • Open Access
9 Citations
4,063 Views
13 Pages

Targeting Neuroinflammation to Alleviate Chronic Olfactory Dysfunction in Long COVID: A Role for Investigating Disease-Modifying Therapy (DMT)?

  • Arianna Di Stadio,
  • Evanthia Bernitsas,
  • Ignazio La Mantia,
  • Michael J. Brenner,
  • Massimo Ralli,
  • Luigi Angelo Vaira,
  • Andrea Colizza,
  • Carlo Cavaliere,
  • Matteo Laudani and
  • Marta Altieri
  • + 3 authors

13 January 2023

Chronic olfactory dysfunction after SARS-CoV-2 infection occurs in approximately 10% of patients with COVID-19-induced anosmia, and it is a growing public health concern. A regimen of olfactory training and anti-neuroinflammatory therapy with co-ultr...

(This article belongs to the Special Issue Olfactory and Gustatory Dysfunctions in COVID‐19 Patients)
  • Article
  • Open Access
4 Citations
6,413 Views
11 Pages

Post-COVID-19 Condition and Health Status

  • Antarpreet Kaur,
  • Chloe Michalopoulos,
  • Suzanne Carpe,
  • Soontharee Congrete,
  • Hira Shahzad,
  • Jane Reardon,
  • Dorothy Wakefield,
  • Charles Swart and
  • Richard ZuWallack

14 January 2022

Background: Observational studies of the long-term effects of COVID-19 infection generally focus on individual symptoms rather than health status. Objective: Longitudinal assessment of general health status following COVID-19 infection. Design: Obser...

  • Article
  • Open Access
108 Citations
12,421 Views
15 Pages

Long-COVID Syndrome? A Study on the Persistence of Neurological, Psychological and Physiological Symptoms

  • Graziella Orrù,
  • Davide Bertelloni,
  • Francesca Diolaiuti,
  • Federico Mucci,
  • Mariagrazia Di Giuseppe,
  • Marco Biella,
  • Angelo Gemignani,
  • Rebecca Ciacchini and
  • Ciro Conversano

Background: Emerging aspects of the Covid-19 clinical presentation are its long-term effects, which are characteristic of the so-called “long COVID”. The aim of the present study was to investigate the prevalence of physical, psychological, and sleep...

(This article belongs to the Special Issue Direct and Indirect Effects of the Ongoing COVID-19 Pandemic on Physical and Mental Health)
  • Feature Paper
  • Article
  • Open Access
65 Citations
9,756 Views
13 Pages

Effect of Ultra-Micronized Palmitoylethanolamide and Luteolin on Olfaction and Memory in Patients with Long COVID: Results of a Longitudinal Study

  • Pietro De Luca,
  • Angelo Camaioni,
  • Pasquale Marra,
  • Giovanni Salzano,
  • Giovanni Carriere,
  • Luca Ricciardi,
  • Resi Pucci,
  • Nicola Montemurro,
  • Michael J. Brenner and
  • Arianna Di Stadio

17 August 2022

In this study, we investigated whether treatment with palmitoylethanolamide and luteolin (PEA-LUT) leads to improvement in the quantitative or qualitative measures of olfactory dysfunction or relief from mental clouding in patients affected by long C...

(This article belongs to the Special Issue Neurological Symptoms and COVID-19 Pandemic)
  • Article
  • Open Access
22 Citations
8,537 Views
10 Pages

Chronotropic Incompetence in Non-Hospitalized Patients with Post-COVID-19 Syndrome

  • Amaya Jimeno-Almazán,
  • Jesús G. Pallarés,
  • Ángel Buendía-Romero,
  • Alejandro Martínez-Cava and
  • Javier Courel-Ibáñez

20 November 2021

Patients recovering from COVID-19 commonly report persistence of dyspnea, exertional fatigue, and difficulties in carrying out their daily activities. However, the nature of these symptoms is still unknown. The purpose of the study was to identify li...

(This article belongs to the Special Issue COVID-19 and the Cardiovascular System: Implications for Risk Assessment, Diagnosis, and Treatment Options)
  • Review
  • Open Access
366 Citations
35,677 Views
14 Pages

26 April 2021

Background and Objectives: Long COVID defines a series of chronic symptoms that patients may experience after resolution of acute COVID-19. Early reports from studies with patients with long COVID suggests a constellation of symptoms with similaritie...

(This article belongs to the Special Issue ME/CFS: Causes, Clinical Features and Diagnosis)
  • Communication
  • Open Access
8 Citations
3,552 Views
12 Pages

Effects of Rehabilitation on Long-COVID-19 Patient’s Autonomy, Symptoms and Nutritional Observance

  • Jeyniver Ghanem,
  • Anne Passadori,
  • François Severac,
  • Alain Dieterlen,
  • Bernard Geny and
  • Emmanuel Andrès

23 July 2022

Background: Despite significant improvements in COVID-19 therapy, many patients still present with persistent symptoms and quality-of-life alterations. The aim of this study was to simultaneously investigate the long-term evolution of autonomy, malnu...

(This article belongs to the Special Issue Nutrition and Metabolic Risk Factors in Patients)
  • Article
  • Open Access
21 Citations
4,756 Views
12 Pages

Recognition of Long-COVID-19 Patients in a Canadian Tertiary Hospital Setting: A Retrospective Analysis of Their Clinical and Laboratory Characteristics

  • Robert Kozak,
  • Susan M. Armstrong,
  • Elsa Salvant,
  • Claudia Ritzker,
  • Jordan Feld,
  • Mia J. Biondi and
  • Hubert Tsui

26 September 2021

A proportion of patients with COVID-19 have symptoms past the acute disease phase, which may affect quality of life. It is important for clinicians to be aware of this “long-COVID-19” syndrome to better diagnose, treat, and prevent it. We reviewed cl...

(This article belongs to the Section Viral Pathogens)
  • Communication
  • Open Access
368 Citations
40,360 Views
9 Pages

Defining Post-COVID Symptoms (Post-Acute COVID, Long COVID, Persistent Post-COVID): An Integrative Classification

  • César Fernández-de-las-Peñas,
  • Domingo Palacios-Ceña,
  • Víctor Gómez-Mayordomo,
  • María L. Cuadrado and
  • Lidiane L. Florencio

The pandemic of the coronavirus disease 2019 (COVID-19) has provoked a second pandemic, the “long-haulers”, i.e., individuals presenting with post-COVID symptoms. We propose that to determine the presence of post-COVID symptoms, symptoms should appea...

(This article belongs to the Section Global Health)
  • Review
  • Open Access
4 Citations
5,539 Views
11 Pages

Neurological and Psychiatric Symptoms of COVID-19: A Narrative Review

  • Amber N. Edinoff,
  • Maithreyi Chappidi,
  • E. Saunders Alpaugh,
  • Bailey C. Turbeville,
  • Evan P. Falgoust,
  • Elyse M. Cornett,
  • Kevin S. Murnane,
  • Adam M. Kaye and
  • Alan D. Kaye

Recently dubbed Long COVID or Long-Haul COVID, those recovering from the initial COVID-19 infection may maintain clinical signs for longer than two or more weeks following the initial onset of the infection. The virus can gain entry into the CNS thro...

  • Case Report
  • Open Access
2 Citations
4,994 Views
9 Pages

Persistent 18F-FDG Brain PET Fronto-Temporal Hypometabolism and Cognitive Symptoms Two Years after SARS-CoV-2 Infection: A Case Report

  • Stefania Rossi,
  • Elena Prodi,
  • Rosalba Morese,
  • Gaetano Paone,
  • Teresa Ruberto and
  • Leonardo Sacco

25 July 2023

At least 10% of patients experience persistent symptoms after SARS-CoV-2 infection, a condition referred to as post-acute COVID-19, post-acute sequelae of SARS-CoV-2 infection (PASC), long COVID, long-haul COVID, long-term effects of COVID, post-COVI...

(This article belongs to the Special Issue COVID-19, Neuroinflammation and Therapeutics)
  • Article
  • Open Access
2 Citations
2,746 Views
11 Pages

Post-Acute Sequelae of COVID-19 (PASC) in Pediatrics: Factors That Impact Symptom Severity and Referral to Treatment

  • Catherine M. Soprano,
  • Ryan Ngo,
  • Casey A. Konys,
  • Ashley Bazier and
  • Katherine S. Salamon

14 November 2023

The post-acute sequelae of COVID-19 (PASC) is a complex condition. While there are emerging studies on its effects in adults, there is scarce research regarding the long-term effects of COVID-19 infection among youth. Several researchers have likened...

(This article belongs to the Section Pediatric Emergency Medicine & Intensive Care Medicine)
  • Article
  • Open Access
5 Citations
4,699 Views
14 Pages

Ebbing Strength, Fading Power: Unveiling the Impact of Persistent Fatigue on Muscle Performance in COVID-19 Survivors

  • Mateusz Kowal,
  • Ewa Morgiel,
  • Sławomir Winiarski,
  • Robert Dymarek,
  • Weronika Bajer,
  • Marta Madej,
  • Agata Sebastian,
  • Marcin Madziarski,
  • Nicole Wedel and
  • Małgorzata Paprocka-Borowicz
  • + 3 authors

15 February 2024

The total number of confirmed cases of COVID-19 caused by SARS-CoV-2 virus infection is over 621 million. Post-COVID-19 syndrome, also known as long COVID or long-haul COVID, refers to a persistent condition where individuals experience symptoms and...

(This article belongs to the Special Issue Applications and Development of Intelligent Sensors for Sports, Health, and Medicine)
  • Article
  • Open Access
1,353 Views
10 Pages

The Effect of Neurorehabilitation of the Cognitive Symptoms of Long COVID Evaluated with Neuropsi Atención y Memoria-III and BANFE-III

  • Ana Lilia Dotor-Llerena,
  • Samuel Reyes-Long,
  • Leilani Najera-García,
  • Sandra Hernández-Corral,
  • Elena Arechaga-Ocampo,
  • Karina Avendaño-Ortiz,
  • David Trejo-Martínez,
  • Humberto Rosell-Becerril,
  • Jose Luis Cortes-Altamirano and
  • Alfonso Alfaro-Rodríguez

15 September 2025

Background: The long-haul symptoms of COVID-19 have not been properly attended, especially those of the central nervous system. Attention, memory and executive functioning are the three main cognitive symptoms reported for long COVID patients. To thi...

(This article belongs to the Special Issue Latest Research in Post-COVID (Long COVID): Pathological and Treatment Studies of Sequelae and Complications—3rd Edition)
  • Review
  • Open Access
120 Citations
33,393 Views
30 Pages

31 January 2023

A novel syndrome called long-haul COVID or long COVID is increasingly recognized in a significant percentage of individuals within a few months after infection with SARS-CoV-2. This disorder is characterized by a wide range of persisting, returning o...

(This article belongs to the Section SARS-CoV-2 and COVID-19)
  • Review
  • Open Access
28 Citations
16,995 Views
19 Pages

4 December 2020

The COVID-19 pandemic is having major economic and personal consequences for collegiate and professional sports. Sporting events have been canceled or postponed, and even when baseball and basketball seasons resumed in the United States recently, no...

(This article belongs to the Special Issue Vitamin D in the New Decade: Facts, Controversies, and Future Perspectives for Daily Clinical Practice)
  • Article
  • Open Access
5 Citations
6,412 Views
24 Pages

Market Developments on Chinese International Air Passenger Markets in Light of COVID-19 Policy Measures

  • Anne Graham,
  • David Warnock-Smith,
  • John F. O’Connell,
  • Marina Efthymiou and
  • Xingwu Zheng

12 January 2023

The world’s governments imposed a plethora of restrictions and quarantine rules to prevent the rapid spread of COVID-19. China was chosen for this study as it was the first market to be impacted. The overall aim of this paper was to analyse int...

  • Article
  • Open Access
6 Citations
5,335 Views
16 Pages

Assessing Flight Crew Fatigue under Extra Augmented Crew Schedule Using a Multimodality Approach

  • Yan Li,
  • Jibo He,
  • Shi Cao,
  • Jiajie Zheng,
  • Yazhou Dou,
  • Chenxi Liu and
  • Xufeng Liu

31 October 2023

During the COVID-19 pandemic, the question of how to reduce the risk of viral infection for international airline pilots without increasing the risk of fatigue was a novel and urgent theoretical and practical problem, which had never been encountered...

(This article belongs to the Section Air Traffic and Transportation)
  • Editorial
  • Open Access
1 Citations
1,728 Views
4 Pages

11 October 2023

The worldwide spread of coronavirus disease 2019 (COVID-19), a condition caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pathogen, led to the most unprecedented disease outbreak of this century, provoking around 770 million...

(This article belongs to the Special Issue Post-COVID Symptoms in Long-Haulers: Definition, Identification, Mechanisms, and Management)
  • Article
  • Open Access
5 Citations
4,349 Views
9 Pages

Trends in COVID-19 Health Disparities in North Carolina: Preparing the Field for Long-Haul Patients

  • Thais Muratori Holanda,
  • Claudia Alberico,
  • Leslimar Rios-Colon,
  • Elena Arthur and
  • Deepak Kumar

8 December 2021

Long-term coronavirus disease 2019 (long-COVID) refers to persistent symptoms of SARS-CoV-2 (COVID-19) lingering beyond four weeks of initial infection. Approximately 30% of COVID-19 survivors develop prolonged symptoms. Communities of color are disp...

(This article belongs to the Collection The Impact of COVID-19 on Healthcare Services)
  • Review
  • Open Access
2 Citations
1,566 Views
25 Pages

Biological Plausibility Between Long-COVID and Periodontal Disease Development or Progression

  • Oelisoa Mireille Andriankaja,
  • Sidney Whiteheart and
  • Marcelo Barbosa de Accioly Mattos

10 December 2025

Background: Long COVID (LC) is a multi-system disorder with persistent symptoms following SARS-CoV-2 infection. The presence of SARS-CoV-2 in the oral cavity and periodontium raises questions about its potential impact on periodontal health. Methods:...

(This article belongs to the Section Molecular and Translational Medicine)
  • Article
  • Open Access
28 Citations
7,976 Views
20 Pages

Long COVID at Different Altitudes: A Countrywide Epidemiological Analysis

  • Juan S. Izquierdo-Condoy,
  • Raul Fernandez-Naranjo,
  • Eduardo Vasconez-González,
  • Simone Cordovez,
  • Andrea Tello-De-la-Torre,
  • Clara Paz,
  • Karen Delgado-Moreira,
  • Sarah Carrington,
  • Ginés Viscor and
  • Esteban Ortiz-Prado

Background: Several reports from around the world have reported that some patients who have recovered from COVID-19 have experienced a range of persistent or new clinical symptoms after a SARS-CoV-2 infection. These symptoms can last from weeks to mo...

(This article belongs to the Special Issue Long COVID and Post-COVID-19 Syndromes)
  • Review
  • Open Access
62 Citations
21,801 Views
17 Pages

11 December 2020

An increasing number of young and previously fit and healthy people who did not require hospitalisation continue to have symptoms months after mild cases of COVID-19. Rehabilitation clinics are already offering cognitive behavioural therapy (CBT) as...

(This article belongs to the Section Healthcare in Epidemics and Pandemics)
  • Article
  • Open Access
33 Citations
12,393 Views
18 Pages

Efficacy of Adaptogens in Patients with Long COVID-19: A Randomized, Quadruple-Blind, Placebo-Controlled Trial

  • Irina Karosanidze,
  • Ushangi Kiladze,
  • Nino Kirtadze,
  • Mikhail Giorgadze,
  • Nana Amashukeli,
  • Nino Parulava,
  • Neli Iluridze,
  • Nana Kikabidze,
  • Nana Gudavadze and
  • Alexander Panossian
  • + 8 authors

11 March 2022

Currently, no effective treatment of comorbid complications or COVID-19 long-haulers during convalescence is known. This randomized, quadruple-blind, placebo-controlled trial aimed to assess the efficacy of adaptogens on the recovery of patients with...

(This article belongs to the Special Issue COVID-19 in Pharmaceuticals)
  • Article
  • Open Access
5 Citations
4,487 Views
17 Pages

18 October 2024

Research shows that Google Trend indices can improve tourism-demand forecasts. Given the impact of the recent pandemic, this may prove to be an important predictor of tourism recovery in countries that are still struggling to recover, including South...

(This article belongs to the Special Issue Forecasting and Foresight in Business and Economics in the Turbulent and Uncertain New Normal)
  • Review
  • Open Access
5 Citations
4,803 Views
15 Pages

Long-haul truck drivers are responsible for transporting goods valued at millions of dollars of the world economy, and may have their health affected by living and working conditions. This study analyzed and synthesized scientific findings about risk...

(This article belongs to the Special Issue Reducing Health Disparities: The Role of Health Literacy and Health Promotion)