Tag: long covid symptoms

The role of gut microbiota in etiopathogenesis of long COVID syndrome

To the editor.

COVID-19, a novel infectious disease caused by SARS-CoV-2 first emerged on November 17, 2019 had a high fatality rate and affected millions of people around the world [1]. The involvement of lung gut axis and the identification of viral RNA in feces of infected patients has drawn attention to a possible fecal-oral transmission route of SARS-CoV-2 [2].

Recent research shows a potential connection between long-term COVID-19 and dysbiosis of the gut flora. Long COVID-19 infection or post-acute COVID-19 syndrome is seen after weeks or months after the initial COVID-19 infection is characterized by complications and lingering symptoms such as fatigue, muscle weakness, and sleeplessness. Up to 3 out of 4 individuals report at least one symptom six months after recovering from COVID-19 infection, making it a relatively prevalent condition [3]. Long COVID may develop as a result of a heightened immune response, cell damage, or physiological effects of COVID-19 infection.

The gut microbiome, the billions of bacteria, fungus, and other microbes that live in the digestive tract, has been linked to COVID-19 severity and may possibly have an impact on the healing process, according to a growing body of research [4]. Researchers at the Chinese University of Hong Kong’s Center for Gut Microbiota Research discovered a clue in 2020.

When compared to healthy controls, persons with COVID-19 had unique changes in their gut microbiota, or the population of bacteria that live in their gut [5]. Early reports from Wuhan suggested that 2–10% of COVID-19 patients experienced gastrointestinal (GI) symptoms, such as diarrhoea, however a recent meta-analysis found that up to 20% of patients with COVID-19 had GI symptoms. SARS-CoV-2 virus was found in anal swabs and stool samples in over half of COVID-19 patients, suggesting that the digestive tract could be an extrapulmonary location for virus multiplication and activity [6, 7].

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Source: Kaushik P, Kumari M, Singh NK, Suri A. The role of gut microbiota in etiopathogenesis of long COVID syndrome. Horm Mol Biol Clin Investig. 2022 Nov 1. doi: 10.1515/hmbci-2022-0079. Epub ahead of print. PMID: 36317311. https://www.degruyter.com/document/doi/10.1515/hmbci-2022-0079/html (Full text)

Long-COVID in patients with a history of mild or asymptomatic SARS-CoV-2 infection: a Nationwide Cohort Study

Abstract:

Objective: Evaluating the prevalence of long-COVID symptoms in patients with a history of mild or asymptomatic infection with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and the factors associated with developing long-COVID.

Design: A nationwide cohort study. Using a centralized database, we have identified patients with and without a history of SARS-CoV-2 infection 1-6 months before data collection. Patients were asked to fill out an online questionnaire through text messages.

Setting: Israeli general practice.

Subjects: 2755 persons participated in the study in September 2021 (a response rate of 7.5%): 819 with and ,936 without a history of SARS-CoV-2 infection.

Main outcome measures: We asked patients to provide details about their demographic status, medical history, COVID-related variables and the presence of long-COVID symptoms.

Results: Most prevalent long-COVID symptoms were decreased smell sensation (35.1% vs. 4.3%, p < 0.001), decreased taste sensation (25.2% vs. 3.2%, p < 0.001), memory disturbances (36.9% vs. 14.4%, p < 0.001), dyspnea (24.2% vs. 10.7%, p < 0.001) and arthralgia (33% vs. 16.3%, p < 0.001). Risk factors associated with long-COVID included female gender, symptomatic COVID-19, overweight or obesity and the presence of dyslipidemia. About 34.6% of participants reported not returning to their baseline health condition after the acute illness.

Conclusion: Long-COVID is frequently seen following a mild symptomatic COVID-19 infection and, to a lesser extent, following an asymptomatic SARS-CoV-2 infection. Primary care physicians should be aware of these symptoms and consider this option in their differential diagnosis. Health policymakers should expect a significant impact of this syndrome on public health.

Key Points

Long-COVID has emerged as a significant health problem with a serious impact on normal daily function• Long-COVID symptoms were evident in patients with mild symptomatic disease and in asymptomatic patients to a lesser extent.• Risk factors for having Long-COVID symptoms include female gender, symptomatic disease, increased BMI, and the presence of dyslipidemia.• Fatigue, dyspnea, weakness, decreased libido, weight changes, memory, and sleep disturbances were associated with not returning to the baseline health state.

Source: Adler L, Gazit S, Pinto Y, Perez G, Mizrahi Reuveni M, Yehoshua I, Hoffman R, Azuri J, Patalon T. Long-COVID in patients with a history of mild or asymptomatic SARS-CoV-2 infection: a Nationwide Cohort Study. Scand J Prim Health Care. 2022 Oct 31:1-8. doi: 10.1080/02813432.2022.2139480. Epub ahead of print. PMID: 36314555. https://www.tandfonline.com/doi/full/10.1080/02813432.2022.2139480 (Full text)

Cross-sectional analysis of clinical aspects in patients with long-COVID and post-COVID syndrome

Abstract:

Objective: Regarding pathogenesis, clinical manifestations, at-risk individuals, and diagnostic methods for stratifying patients for therapeutic approaches, our understanding of post-COVID syndrome is limited. Here, we set out to assess sociodemographic and clinical aspects in patients with the long-COVID and post-COVID syndrome.

Methods: We performed a cross-sectional analysis of patients presenting at our specialized university hospital outpatient clinic. We assessed patients’ clinical presentation, fatigue, symptoms of depression and anxiety, and impairment of smell.

Results: A total of 101 patients were included (73.3% female), of whom 78.2% had a mild course of COVID-19. At presentation, 93.1% suffered from fatigue, 82.2% from impaired concentration, and 79.2% from impaired memory, 53.5% had impaired sleep. The most common secondary diagnosis found in our cohort was thyroid disease. Fatigue analysis showed that 81.3% of female and 58.8% of male patients had severe combined fatigue. Female gender was an independent risk factor for severe fatigue (severe cognitive fatigue OR = 8.045, p = 0.010; severe motor fatigue OR = 7.698, p = 0.013). Males suffered from more depressive symptoms, which correlated positively with the duration of symptom onset. 70.3% of patients with anamnestic smell impairment had hyposmia, and 18.9% were anosmic.

Interpretation: Most long-COVID patients suffered from severe fatigue, with the female sex as an independent risk factor. Fatigue was not associated with symptoms of depression or anxiety. Patients with long-COVID symptoms should receive an interdisciplinary diagnostic and therapeutic approach depending on the clinical presentation.

Source: Schulze H, Charles James J, Trampe N, Richter D, Pakeerathan T, Siems N, Ayzenberg I, Gold R, Faissner S. Cross-sectional analysis of clinical aspects in patients with long-COVID and post-COVID syndrome. Front Neurol. 2022 Oct 14;13:979152. doi: 10.3389/fneur.2022.979152. PMID: 36313487; PMCID: PMC9614029. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9614029/ (Full text)

Clinical and laboratory predictors of long-COVID in children: a single center retrospective study

Abstract:

Objective: The majority of children experience a mild course of acute Coronavirus Disease 2019 (COVID-19). Only few studies have looked at long-term recovery from COVID-19 infection in children. The purpose of this study was to identify the predictors of long-COVID by performing a thorough analysis of the clinical, laboratory, and demographic characteristics of children with COVID-19.

Patients and methods: Between August and October 2021, data were obtained retrospectively from the medical records of 251 children diagnosed with COVID-19 at a tertiary single-center hospital. The prognostic effects of admission-related factors were compared between patients who experienced long-lasting symptoms and those who did not.

Results: Long-COVID symptoms were noted in 12.4% of patients. Joint pain (7.6%), lumbago (4.8%), and headache (3.2%) were the most common symptoms. The mean onset of long-COVID symptoms was 1.35±0.49 months. The onset of long-COVID symptoms was 4 weeks after initial diagnosis in 64.5% of patients and 4-8 weeks later in 35.5% of the patients. The mean duration of long-COVID symptoms was 5.32±2.51 months. Children with long-COVID had higher leukocytes, neutrophils, monocytes, basophils, platelets, and D-dimer when compared with patients without long-COVID (p < 0.001). Leukocytes, neutrophils, monocytes, platelets, and D-dimer had the highest AUC in the ROC analysis (0.694, 0.658, 0.681, 0.667, and 0.612, respectively) and were statistically significant.

Conclusions: Despite the majority of children with COVID-19 having mild or asymptomatic acute disease, the majority of long-COVID symptoms were associated with functional impairment between 1 and 9 months after the start of the infection. Increased leukocytes, monocytes, neutrophils, platelets, and D-dimer appear to be the most powerful laboratory predictors for long-COVID and monitoring these predictors may assist clinicians to identify and follow-up patients with higher risk for long-COVID.

Source: Güven D, Buluş AD. Clinical and laboratory predictors of long-COVID in children: a single center retrospective study. Eur Rev Med Pharmacol Sci. 2022 Oct;26(20):7695-7704. doi: 10.26355/eurrev_202210_30046. PMID: 36314341.  https://www.europeanreview.org/article/30046 (Full text)

Dysautonomia in Children with Post-Acute Sequelae of Coronavirus 2019 Disease and/or Vaccination

Abstract:

Long-term health problems such as fatigue, palpitations, syncope, and dizziness are well-known in patients after COVID-19 (post-acute sequelae of coronavirus (PASC)). More recently, comparable problems have been noticed after the SARS-CoV-2 vaccination (post-VAC). The pathophysiology of these problems is not well-understood.

Methods: In 38 children and young adults, we tested if these health problems were related to dysautonomia in an active standing test (Group 1: 19 patients after COVID-19; Group 2: 12 patients with a breakthrough infection despite a vaccination; and Group 3: 7 patients after a vaccination without COVID-19). The data were compared with a control group of 47 healthy age-matched patients, as recently published.

Results: All patients had a normal left ventricular function as measured by echocardiography. Significantly elevated diastolic blood pressure in all patient groups indicated a regulatory cardiovascular problem. Compared with the healthy control group, the patient groups showed significantly elevated heart rates whilst lying and standing, with significantly higher heart rate increases. The stress index was significantly enhanced in all patient groups whilst lying and standing. Significantly decreased pNN20 values, mostly whilst standing, indicated a lower vagus activity in all patient groups. The respiratory rates were significantly elevated in Groups 1 and 2.

Conclusion: The uniform increase in the heart rates and stress indices, together with low pNN20 values, indicated dysautonomia in children with health problems after COVID-19 disease and/or vaccination. A total of 8 patients fulfilled the criteria of postural orthostatic tachycardia syndrome and 9 patients of an inappropriate sinus tachycardia, who were successfully treated with omega-3 fatty acid supplementation and pharmacotherapy.

Source: Buchhorn R. Dysautonomia in Children with Post-Acute Sequelae of Coronavirus 2019 Disease and/or Vaccination. Vaccines (Basel). 2022 Oct 9;10(10):1686. doi: 10.3390/vaccines10101686. PMID: 36298551; PMCID: PMC9607162. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9607162/ (Full text)

Is Long COVID Syndrome a Transient Mitochondriopathy Newly Discovered: Implications of CPET

Abstract:

The new outbreak of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection has an impact worldwide, primarily as a medical emergency. Even that the total constellation is considered as a pandemic of acute respiratory disease, coronavirus disease 2019 (COVID-19) gives rise to dysfunction in multiple organs (e.g., brain, lungs, heart, muscles) that impairs cardiopulmonary (CP) function. Parallel to the CP consequences of COVID-19 is a significant reduction in physical activity.

Cardiopulmonary exercise testing (CPET) is daily used in clinical practice to define prognosis, provide risk stratification and treatment strategy. As such, the significance of CPET is crucial concerning clinical assessments of COVID-19 patients. Furthermore, new studies aim at understanding the effects of SARS-CoV-2 infection in long term. Multiple studies have investigated the cardiopulmonary function and impairment of exercise endurance in such patients, as well as a possible prolonged physical impairment. With this review, we summarize the COVID-19-associated pathophysiology for the Long COVID (LC) syndrome as well as the importance of performing CPET.

Source: Stefanos G. Sakellaropoulos, Muhammad Ali, Athanasios Papadis, Muhemin Mohammed, Andreas Mitsis, Zaza Zivzivadze. Is Long COVID Syndrome a Transient Mitochondriopathy Newly Discovered: Implications of CPET. Cardiology Research, ISSN 1923-2829 print, Volume 13, Number 5, October 2022, pages 264-267.  https://www.cardiologyres.org/index.php/Cardiologyres/article/view/1419/1360 (Full text)

The Psychiatric Consequences of Long-COVID: A Scoping Review

Abstract:

The COVID-19 pandemic has represented a new form of traumatic event, affecting the general population worldwide and causing severe disruption of daily routine. A new urgent concern is related to the burden associated with COVID-19 symptoms that persist beyond the onset of infection, the so-called long-COVID syndrome.
The present paper aims to: (1) describe the most frequent psychiatric symptoms reported by patients affected by long-COVID syndrome; (2) evaluate methodological discrepancies among the available studies; (3) inform clinicians and policy-makers on the possible strategies to be promoted in order to manage the psychiatric consequences of long-COVID syndrome.
Twenty-one papers have been included in the present review, mostly with a cross-sectional or cohort design. Significant heterogeneity of long-COVID syndrome definitions was found. The presence of psychiatric symptoms was evaluated with very different assessment tools.
The most common psychiatric symptoms of the long-COVID syndrome included fatigue, cognitive disturbances/impairment, depression, and anxiety symptoms. The rate of fatigue varied from 93.2–82.3% to 11.5%, cognitive impairment/cognitive dysfunction from 61.4% to 23.5% and depressive-anxiety symptoms from 23.5%to 9.5%
Source: Sampogna G, Di Vincenzo M, Giallonardo V, Perris F, Volpicelli A, Del Vecchio V, Luciano M, Fiorillo A. The Psychiatric Consequences of Long-COVID: A Scoping Review. Journal of Personalized Medicine. 2022; 12(11):1767. https://doi.org/10.3390/jpm12111767  https://www.mdpi.com/2075-4426/12/11/1767/htm (Full text)

Headache in Post-COVID-19 Patients: Its Characteristics and Relationship with the Quality of Life

Abstract:

Little is known on the characteristics of headaches associated with coronavirus disease 2019 (COVID-19) in Indonesia. The objective of this study was to describe the characteristics of headache in post-COVID-19 patients, and its impact on the patients’ quality of life (QoL), as well as to determine the associated determinants of the poor QoL. A cross-sectional study was conducted in Banda Aceh, Indonesia. The demographic characteristics, clinical symptoms of COVID-19, characteristics of headache, and the QoL were collected and assessed.

Headache was diagnosed and characterized using the International Classification of Headache Disorders, version 3 (ICHD-3). QoL was assessed using a Short Form 36 Health Survey (SF-36) tool. A logistic regression model was used to investigate the associated determinants of poor QoL in post-COVID-19 patients.

A total of 215 post-COVID-19 patients were included in the final analysis, and 21.4% (46/215) of them had a poor QoL due to headache following COVID-19. Those who were unemployed and who contracted COVID-19 less than three months prior to the study had higher odds of having poor QoL compared to those who were employed and who contracted COVID-19 more than three months prior to the study.

Low QoL was also related to headache that occurred less than one month after recovering from COVID-19 (compared to that which occurred longer than one month after); had a high frequency; had a combination sensation of pulsating, pressing, fiery, and stabbing pain; had a high severity score; and had additional symptoms accompanying the headache. In conclusion, headache related to COVID-19 is associated with low QoL among post-COVID-19 patients. A guideline on prevention measures of headache on COVID-19 patients, therefore, needs to be established to avoid long-term consequences.

Source: Mutiawati E, Kusuma HI, Fahriani M, Harapan H, Syahrul S, Musadir N. Headache in Post-COVID-19 Patients: Its Characteristics and Relationship with the Quality of Life. Medicina (Kaunas). 2022 Oct 21;58(10):1500. doi: 10.3390/medicina58101500. PMID: 36295660; PMCID: PMC9609032. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9609032/ (Full text)

Psychiatric and neurological complications of long COVID

Abstract:

COVID-19 was primarily considered a pulmonary disease with extrapulmonary manifestations. As the pandemic spread, there has been growing evidence that the disease affects various organs/systems, including the central and peripheral nervous systems. Accumulation of clinical data demonstrates that in a large population of survivors impairments in the function of one or more organs may persist for a long time, a phenomenon commonly known as post COVID or long COVID.

Fatigue and cognitive dysfunction, such as concentration problems, short-term memory deficits, general memory loss, a specific decline in attention, language and praxis abilities, encoding and verbal fluency, impairment of executive functions, and psychomotor coordination, are amongst the most common and debilitating features of neuropsychatric symptoms of post COVID syndrome. Several patients also suffer from compromised sleep, depression, anxiety and post-traumatic stress disorder. Patients with long COVID may demonstrate brain hypometabolism, hypoperfusion of the cerebral cortex and changes in the brain structure and functional connectivity.

Children and adolescents represent a minority of COVID-19 cases, so not surprisingly data on the long-term sequelae after SARS-CoV-2 infections in these age groups are scarce. Although the pathogenesis, clinical characteristics, epidemiology, and risk factors of the acute phase of COVID-19 have been largely explained, these areas are yet to be explored in long COVID. This review aims to provide an update on what is currently known about long COVID effects on mental health.

Source: Zawilska JB, Kuczyńska K. Psychiatric and neurological complications of long COVID. J Psychiatr Res. 2022 Oct 20;156:349-360. doi: 10.1016/j.jpsychires.2022.10.045. Epub ahead of print. PMID: 36326545; PMCID: PMC9582925. https://www.sciencedirect.com/science/article/pii/S0022395622005982 (Full text)

Serological biomarkers of COVID-19 severity at hospital admission are not related to long-term post-COVID pain symptoms in hospitalized COVID-19 survivors

Abstract:

This study investigated the association between serological biomarkers at hospital admission with the development of long-term post-COVID pain symptoms in previously hospitalized coronavirus disease, 2019 (COVID-19) survivors. A cohort study including patients hospitalised because of COVID-19 in 1 urban hospital of Madrid (Spain) during the first wave of the outbreak was conducted. Hospitalisation data, clinical data, and 11 serological biomarkers were collected at hospital admission. Participants were scheduled for an individual telephone interview after hospital discharge for collecting data about post-COVID pain symptoms.

A total of 412 patients (mean age: 62, SD: 15 years; 46.1% women) were assessed twice, at a mean of 6.8 and 13.2 months after discharge. The prevalence of post-COVID pain symptoms was 42.7% (n = 176) and 36.2% (n = 149) at 6.8 and 13.2 months after hospital discharge. Patients reporting post-COVID pain exhibited a greater number of COVID-19-associated symptoms at hospital admission, more medical comorbidities, higher lymphocyte count, and lower glucose and creatine kinase levels (all, P < 0.01) than those not reporting post-COVID pain. The multivariate analysis revealed that lower creatine kinase and glucose levels were significantly associated, but just explaining 6.9% of the variance of experiencing post-COVID pain.

In conclusion, the association between serological biomarkers associated with COVID-19 severity at hospital admission and the development of post-COVID pain is small. Other factors, eg, higher number of COVID-19 onset symptoms (higher symptom load) could be more relevant for the development of post-COVID pain. Because inflammatory biomarkers were not directly analyzed, they may have stronger predictive strengths for the development of post-COVID pain symptoms.

Source: Fernández-de-Las-Peñas C, Ryan-Murua P, de-la-Llave-Rincón AI, Gómez-Mayordomo V, Arendt-Nielsen L, Torres-Macho J. Serological biomarkers of COVID-19 severity at hospital admission are not related to long-term post-COVID pain symptoms in hospitalized COVID-19 survivors. Pain. 2022 Nov 1;163(11):2112-2117. doi: 10.1097/j.pain.0000000000002608. Epub 2022 Feb 3. PMID: 35121694; PMCID: PMC9560903.  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9560903/ (Full text)