Reduced HDL-cholesterol in long COVID-19: A key metabolic risk factor tied to disease severity

Abstract This controlled study investigated metabolic changes in non-vaccinated individuals with Long-COVID-19, along with their connection to the severity of the disease. The study involved 88 patients who experienced varying levels of initial disease severity (mild, moderate, and severe), and a control group of 29 healthy individuals. Metabolic risk markers from fasting blood samples were analyzed, and data regarding disease severity indicators were collected. Findings indicated significant metabolic shifts in severe Long-COVID-19 cases, mainly a marked drop in HDL-C levels and a doubled increase in ferritin levels and insulin resistance compared to the mild cases and controls. HDL-C and ferritin were identified as the leading factors predicted by disease severity. In conclusion, the decline in HDL-C levels and rise in ferritin levels seen in Long-COVID-19 individuals, largely influenced by the severity of the initial infection, could potentially play a role in the persistence and progression of Long-COVID-19. Hence, these markers could be considered as possible therapeutic targets, and help shape preventive strategies to reduce the long-term impacts of the disease.

Chronotropic incompetence is associated with reduced aerobic conditioning and sedentary behavior in patients with post-acute COVID-19 syndrome

ABSTRACT Post-acute COVID-19 syndrome, or long COVID, presents with persistent symptoms, including cough, dyspnea, and fatigue, extending beyond one month after SARS-CoV-2 infection. Cardiac complications such as chest pain and arrhythmias have raised concerns, with chronotropic incompetence (CI), an inadequate heart rate increase during exercise, emerging as a significant condition contributing to diminished exercise tolerance and quality of life. This study estimated the prevalence of CI and explored its association with aerobic capacity and physical activity levels in long COVID patients. A cross-sectional study was conducted at a private hospital in Sergipe, Brazil, involving 93 patients over 18 years old with persistent post-COVID-19 symptoms after confirmed SARS-CoV-2 infections. Exclusion criteria included beta-blocker use, inadequate respiratory exchange ratio, and inability to complete cardiopulmonary exercise testing (CPET). Clinical histories, CPET results, and chronotropic index calculation were used to identify CI, with logistic regression analyzing associated factors. Of the participants (mean age 45 years; average duration since COVID-19 diagnosis 120 days), 20.4% were diagnosed with CI. Logistic regression identified a strong association between CI and sedentary behavior (OR 11.80; 95% CI 2.54 to 54.78; p=0.001). Patients with CI showed lower predicted peak heart rates and maximal oxygen uptake. The prevalence of CI among long COVID patients in this study was approximately 20%, associated with decreased aerobic capacity and increased sedentary behavior. These findings highlight the need for timely diagnosis and therapeutic interventions, including cardiopulmonary rehabilitation, to enhance the quality of life in post-COVID patients with CI. The study's cross-sectional design and its specific context have limited causality inference and generalizability, underscoring the importance of further research in diverse settings.

POST COVID COMPLICATIONS - A FOLLOW UP STUDY AMONG COVID-19 PATIENTS OF RURAL AHMEDABAD

Post Covid complication occurs in individuals with a history of con?rmed covid-19 infection, that develop within 3months of onset of COVID-19 illness, last for at least 2months and cannot be explained by alternative diagnosis. We aim to estimate the magnitude of post covid complications and its association with risk factors. A follow up study was conducted among 250 COVID19 positive patients from July 2021 to Jan2022. These patients were interviewed telephonically at 3rd month & 6th month after recovery. Majority of post COVID symptoms identified were fatigue (29.6%), anosmia (26.8%) & ageusia (15.2%). At least one of these symptoms was present in 67.6% and 28% patients at 3rd and 6th month post infection respectively. Other clinical features included insomnia (8%), skin rashes (7.6%) and mood disorders (4%). Systemic involvement was seen in 1.2% as new onset hypertension. No significant gender difference was identified in any of the symptoms (?2=0.24, p=0.6). Risk factors associated in developing long COVID-19 were high BMI[RR=1.2], age >60yrs [RR=1.3], poor vaccination status [RR=1.45]and long duration of illness (>14 days) [RR=1.4]. 4 deaths (1.6%) were reported among 8.8% hospitalized patients having severe comorbidities (e.g. Coronary artery disease). Nearly 2/3rd patients were having one or the other symptoms at the end of the 3rd month and 1/4th at the end of 6th months. Also, death during the post COVID period, strongly suggests continuous follow up visits for high risk patients and spreading public awareness to seek health care facilities for follow up.

Post-acute COVID-19 in three doses vaccinated autoimmune rheumatic diseases patients: frequency and pattern of this condition

Abstract Background Data on post-acute COVID-19 in autoimmune rheumatic diseases (ARD) are scarce, focusing on a single disease, with variable definitions of this condition and time of vaccination. The aim of this study was to evaluate the frequency and pattern of post-acute COVID-19 in vaccinated patients with ARD using established diagnosis criteria. Methods Retrospective evaluation of a prospective cohort of 108 ARD patients and 32 non-ARD controls, diagnosed with SARS-CoV-2 infection (RT-PCR/antigen test) after the third dose of the CoronaVac vaccine. Post-acute COVID-19 (≥ 4 weeks and > 12 weeks of SARS-CoV-2 symptoms) were registered according to the established international criteria. Results ARD patients and non-ARD controls, balanced for age and sex, had high and comparable frequencies of ≥ 4 weeks post-acute COVID-19 (58.3% vs. 53.1%, p = 0.6854) and > 12 weeks post-acute COVID-19 (39.8% vs. 46.9%, p = 0.5419). Regarding ≥ 4 weeks post-acute COVID-19, frequencies of ≥ 3 symptoms were similar in ARD and non-ARD controls (54% vs. 41.2%, p = 0.7886), and this was also similar in > 12 weeks post-acute COVID-19 (68.3% vs. 88.2%, p = 0.1322). Further analysis of the risk factors for ≥ 4 weeks post-acute COVID-19 in ARD patients revealed that age, sex, clinical severity of COVID-19, reinfection, and autoimmune diseases were not associated with this condition (p > 0.05). The clinical manifestations of post-acute COVID-19 were similar in both groups (p > 0.05), with fatigue and memory loss being the most frequent manifestations. Conclusion We provide novel data demonstrating that immune/inflammatory ARD disturbances after third dose vaccination do not seem to be a major determinant of post-acute COVID-19 since its pattern is very similar to that of the general population. Clinical Trials platform (NCT04754698).

Uma revisão integrativa das sequelas da COVID-19 / An integrative review of sequelae of COVID-19 / Una revisión integradora de las secuelas del COVID-19

Objetivo: Identificar na literatura disponível as sequelas de saúde desenvolvidas pela população adoecida pela COVID-19. Métodos: Revisão integrativa com publicações recuperadas a partir do acesso ao Medline via PubMed e ao Portal Regional da Biblioteca Virtual em Saúde (BVS) em abril de 2021 que responderam à questão norteadora: Quais as principais sequelas de saúde desenvolvidas pela população adoecida pela COVID-19?. A estratégia de busca incluiu os descritores: Coronavirus Infections, COVID-19, SARS-COV-2, Complications, Disease, Adult, Long COVID. Identificaram-se 348 publicações, 196 da BVS e 152 no PubMed. Após análise dos critérios de inclusão/exclusão, permaneceram 66 publicações para leitura na íntegra, restando 27 artigos que compuseram a amostra. Resultados: As evidências selecionadas dos 27 artigos permitiram identificação das principais sequelas: neurológicas, saúde mental, cardíacas, no olfato e paladar, vasculares, cutâneas, respiratórias e gastrointestinais. A maior prevalência de sequelas neurológicas ocorreu em mulheres, bem como as cardíacas nos homens; não havendo distinção da prevalência de sintomas de saúde mental entre homens e mulheres. Conclusão: Com base nesses achados, evidenciou-se a importância do acompanhamento em longo prazo das pessoas que tiveram COVID-19, uma vez que os sintomas desenvolvidos como sequelas não são exclusivos dessa doença e podem impactar na qualidade de vida.

Objective: To identify, in the literature available, the health sequelae developed by the population affected by COVID-19. Methods: This is an integrative review of publications retrieved from Medline via PubMed and the Regional Portal of the Virtual Health Library (Biblioteca Virtual em Saúde ­ BVS) in April 2021 that answered the research question: What are the main health sequelae developed by the population affected by COVID-19? The search strategy included the descriptors: Coronavirus Infections, COVID-19, SARS-COV-2, Complications, Disease, Adult, Long COVID. 348 publications were identified: 196 on BVS and 152 on PubMed. After analyzing the inclusion/exclusion criteria, 66 publications remained for full reading, with a final 27 articles included in the sample. Results: The selected evidence from the 27 articles allowed the identification of the main sequelae: neurological, mental health, cardiac, smell and taste, vascular, cutaneous, respiratory and gastrointestinal sequelae. The highest prevalence of neurological sequelae was found in women, whereas cardiac sequelae were found mostly in men; there was no difference in the prevalence of mental health symptoms between men and women. Conclusion: Based on these findings, the importance of long-term follow-up of people who had COVID-19 was highlighted since the symptoms developed as sequelae are not exclusive to this disease and can impact quality of life.

Objetivo: Identificar en la literatura disponible las secuelas de salud desarrolladas por la población enfermada por COVID-19. Métodos: Revisión integradora con publicaciones recuperadas a partir del acceso al Medline por PubMed y al Portal Regional dela Biblioteca Virtual en Salud (BVS) en abril de 2021 que contestaron a la cuestión norteadora: ¿Cuáles las principales secuelas de salud desarrolladas por la población enfermada por COVID-19?. La estrategia de búsqueda incluyó los descriptores: Coronavirus Infections, COVID-19, SAR-COV-2, Complications, Desease, Adult, Long COVID. Fueron identificadas 348 publicaciones, 196 de la BVS Y 152 en PubMed. Después del análisis de los criterios de inclusión/exclusión, permanecieron 66 publicaciones para lectura completa, restando 27 artículos que compusieron la muestra. Resultados: Las evidencias seleccionadas de los 27 artículos permitieron la identificación de las principales secuelas: neurológicas, salud mental, cardíacas, en el olfato y paladar, vasculares, cutáneas, respiratorias y gastrointestinales. La mayor prevalencia de secuelas neurológicas ocurrió en mujeres, y las cardíacas en los hombres; no habiendo distinción de la prevalencia de síntomas de salud mental entre hombres y mujeres. Conclusión: Con base en estos hallazgos, se evidenció la importancia del acompañamiento a largo plazo de las personas que tuvieron COVID-19, ya que los síntomas desarrollados como secuelas no son exclusivos de esta enfermedad y pueden impactar en la calidad de vida.

The predictors of long-COVID in the cohort of Turkish Thoracic Society-TURCOVID multicenter registry: One year follow-up results

Objective: To evaluate long-term effects of COVID-19, and to determine the risk factors in long-COVID in a cohort of the Turkish Thoracic Society (TTS)-TURCOVID multicenter registry. Methods: Thirteen centers participated with 831 patients; 504 patients were enrolled after exclusions. The study was designed in three-steps: (1) Phone questionnaire; (2) retrospective evaluation of the medical records; (3) face-to-face visit. Results: In the first step, 93.5% of the patients were hospitalized; 61.7% had a history of pneumonia at the time of diagnosis. A total of 27.1% reported clinical symptoms at the end of the first year. Dyspnea (17.00%), fatigue (6.30%), and weakness (5.00%) were the most prevalent long-term symptoms. The incidence of long-term symptoms was increased by 2.91 fold (95% CI 1.04-8.13, P=0.041) in the presence of chronic obstructive pulmonary disease and by 1.84 fold (95% CI 1.10-3.10, P=0.021) in the presence of pneumonia at initial diagnosis, 3.92 fold (95% Cl 2.29-6.72, P=0.001) of dyspnea and 1.69 fold (95% Cl 1.02-2.80, P=0.040) fatigue persists in the early-post-treatment period and 2.88 fold (95% Cl 1.52-5.46, P=0.001) in the presence of emergency service admission in the post COVID period. In step 2, retrospective analysis of 231 patients revealed that 1.4% of the chest X-rays had not significantly improved at the end of the first year, while computed tomography (CT) scan detected fibrosis in 3.4%. In step 3, 138 (27.4%) patients admitted to face-to-face visit at the end of first year; at least one symptom persisted in 49.27% patients. The most common symptoms were dyspnea (27.60%), psychiatric symptoms (18.10%), and fatigue (17.40%). Thorax CT revealed fibrosis in 2.4% patients. Conclusions: COVID-19 symptoms can last for extended lengths of time, and severity of the disease as well as the presence of comorbidities might contribute to increased risk. Long-term clinical issues should be regularly evaluated after COVID-19.

Patterns in the relationship between acute COVID-19/long COVID-19 and quality of life: A cross-sectional study of patients attending a tertiary care hospital in Turkey

Objective: To determine the change in the quality of life (QoL) of patients who applied to a tertiary outpatient clinic according to their COVID-19 status. Methods: This cross-sectional study comprised 1 370 participants. Short form-12 (SF-12), which includes Physical Component Summary (PCS) and Mental Component Summary (MCS) domains, was used to evaluate the QoL. Different linear regression models created using PCS-12 and MCS-12 were dependent variables. Results: A total of 19.2% of participants had acute COVID-19, and 8.4% had long COVID-19. The most common sypmtoms were fatigue (72.6%), headache (42.5%), and joint pain (39.8%) in patients with long COVID-19. The model including all participants showed that long COVID-19 reduced the QoL in multivariate analysis for both MCS and PCS, while acute COVID-19 had no significant effect on the QoL comparing with those without COVID-19. Model that included participants with COVID-19 showed that long COVID-19 negatively affected the QoL in the multivariate model for PCS-12 and MCS-12. Variables that were significant in the multivariate model for those who had long COVID-19 were having a chronic disease and presence of ongoing symptoms. Females were disadvantaged for PCS-12 and MCS-12 in the multivariate models including all participants, and models including participants who have had COVID-19. Low educational group were disadvantaged for PCS-12 in the multivariate model including all participants. This group were also disadvantaged for PCS-12 and MCS-12 in the multivariate models including participants who had COVID-19. Conclusions: In studies, acute COVID-19 and long COVID-19 should be treated as separate categories. The effects of long COVID-19 should be considered when providing and planning health services. The effect of gender, and education, on QoL shows that health inequalities continue to be effective during the pandemic period.