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This systematic review uses data from cohort studies to examine the frequency, variety, and severity of persistent symptoms among individuals with previous COVID-19 infection.
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In most patients who recovered from severe COVID-19, dyspnoea scores and exercise capacity improved over time; however, in a subgroup of patients at 12 months we found evidence of persistent physiological and radiographic change. A unified pathway for the respiratory follow-up of patients with COVID-19 is required.
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La perte de l’odorat, ou anosmie, est l'un des symptômes précoces les plus fréquents de la Covid-19. Les mécanismes impliqués dans cette anosmie étaient jusqu’ici non élucidés. Des chercheurs de l’Institut Pasteur, du CNRS, de l’Inserm, d’Université de Paris et de l’Assistance Publique - Hôpitaux de Paris, ont élucidé les mécanismes impliqués dans la perte d’odorat chez les patients infectés par le SARS-CoV-2 aux différents stades de la maladie.
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HAS-veille
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This systematic review uses data from cohort studies to examine the frequency, variety, and severity of persistent symptoms among individuals with previous COVID-19 infection.
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HAS-veille
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Background Long-term effects of COVID-19, also called Long COVID, affect more than 10% of patients. The most severe cases (i.e. those requiring hospitalization) present a higher frequency of sequelae, but detailed information on these effects is still lacking. The objective of this study is to identify and quantify the frequency and outcomes associated with the presence of sequelae or persistent symptomatology (SPS) during the 6 months after discharge for COVID-19. Methods Retrospective observational 6-month follow-up study conducted in four hospitals of Spain. A cohort of all 969 patients who were hospitalized with PCR-confirmed SARS-CoV-2 from March 1 to April 15, 2020, was included. We collected all the SPS during the 6 months after discharge reported by patients during follow-up from primary care records. Cluster analyses were performed to validate the measures. The main outcome measures were return to the Emergency Services, hospital readmission and post-discharge death. Surviving patients’ outcomes were collected through clinical histories and primary care reports. Multiple logistic regression models were applied. Results The 797 (82.2%) patients who survived constituted the sample followed, while the rest died from COVID-19. The mean age was 63.0 years, 53.7% of them were men and 509 (63.9%) reported some sequelae during the first 6 months after discharge. These sequelae were very diverse, but the most frequent were respiratory (42.0%), systemic (36.1%), neurological (20.8%), mental health (12.2%) and infectious (7.9%) SPS, with some differences by sex. Women presented higher frequencies of headache and mental health SPS, among others. A total of 160 (20.1%) patients returned to the Emergency Services, 35 (4.4%) required hospital readmission and 8 (1.0%) died during follow-up. The main factors independently associated with the return to Emergency Services were persistent fever, dermatological SPS, arrythmia or palpitations, thoracic pain and pneumonia. Conclusions COVID-19 cases requiring hospitalization during the first wave of the pandemic developed a significant range of mid- to long-term SPS. A detailed list of symptoms and outcomes is provided in this multicentre study. Identification of possible factors associated with these SPS could be useful to optimize preventive follow-up strategies in primary care for the coming months of the pandemic.
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AbstractObjectives. To develop and validate patient-reported instruments, based on patients' lived experiences, for monitoring the symptoms and impact of long c
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Little is known regarding long-term outcomes of patients hospitalized with COVID-19.We conducted a prospective study of 6-month outcomes of hospitalized COVID-19 patients. Patients with new neurological complications during hospitalization who survive
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Les difficultés des patients à faire reconnaître le Covid long comme une maladie n’est sans précédent : il n’est qu’à voir l’histoire mouvementée des études sur le syndrome de fatigue chronique.
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Despite initial severe illness, few organ-specific sequelae were observed at 6 months. Ongoing concerns requiring physical re-conditioning and mental health support remained, and physiotherapy assessments revealed persisting poor exercise tolerance. Longer-term follow-up will help define the extended natural history of PIMS-TS.
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Patients with coronavirus disease 2019 (COVID-19) are reported to have a greater prevalence of hyperglycaemia. Cytokine release as a consequence of severe acute respiratory syndrome coronavirus 2 infection may precipitate the onset of metabolic alterations by affecting glucose homeostasis. Here we describe abnormalities in glycometabolic control, insulin resistance and beta cell function in patients with COVID-19 without any pre-existing history or diagnosis of diabetes, and document glycaemic abnormalities in recovered patients 2 months after onset of disease. In a cohort of 551 patients hospitalized for COVID-19 in Italy, we found that 46% of patients were hyperglycaemic, whereas 27% were normoglycaemic. Using clinical assays and continuous glucose monitoring in a subset of patients, we detected altered glycometabolic control, with insulin resistance and an abnormal cytokine profile, even in normoglycaemic patients. Glycaemic abnormalities can be detected for at least 2 months in patients who recovered from COVID-19. Our data demonstrate that COVID-19 is associated with aberrant glycometabolic control, which can persist even after recovery, suggesting that further investigation of metabolic abnormalities in the context of long COVID is warranted. Fiorina and colleagues document alterations in glucose metabolism in patients with COVID-19 and use continuous glucose monitoring to show that glycaemic abnormalities could still be detected 2 months after disease onset in patients who had recovered.
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