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A Systematic Review and Quality Evaluation of Studies on Long-Term Sequelae of COVID-19.

ABSTRACT: COVID-19 made its debut as a pandemic in 2020; since then, more than 607 million cases and at least 6.5 million deaths have been reported worldwide. While the burden of disease has been described, the long-term effects or chronic sequelae are still being clarified. The aim of this study was to present an overview of the information available on the sequelae of COVID-19 in people who have suffered from the infection. A systematic review was carried out in which cohort studies, case series, and clinical case reports were included, and the PubMed, Scielo, SCOPUS, and Web of Science databases were extracted. Information was published from 2020 to 1 June 2022, and we included 26 manuscripts: 9 for pulmonary, 6 for cardiac, 2 for renal, 8 for neurological and psychiatric, and 6 for cutaneous sequelae. Studies showed that the most common sequelae were those linked to the lungs, followed by skin, cutaneous, and psychiatric alterations. Women reported a higher incidence of the sequelae, as well as those with comorbidities and more severe COVID-19 history. The COVID-19 pandemic has not only caused death and disease since its appearance, but it has also sickened millions of people around the globe who potentially suffer from serious illnesses that will continue to add to the list of health problems, and further burden healthcare systems around the world.

SUBMITTER: Vasconez-Gonzalez J

PROVIDER: S-EPMC9778202 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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A Systematic Review and Quality Evaluation of Studies on Long-Term Sequelae of COVID-19.

Vásconez-González Jorge J Izquierdo-Condoy Juan S JS Fernandez-Naranjo Raul R Ortiz-Prado Esteban E

Healthcare (Basel, Switzerland) 20221124 12

COVID-19 made its debut as a pandemic in 2020; since then, more than 607 million cases and at least 6.5 million deaths have been reported worldwide. While the burden of disease has been described, the long-term effects or chronic sequelae are still being clarified. The aim of this study was to present an overview of the information available on the sequelae of COVID-19 in people who have suffered from the infection. A systematic review was carried out in which cohort studies, case series, and cl ...[more]

PMID: 36553888

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Project description:BackgroundCardiopulmonary exercise testing (CPET) is an important clinical tool that provides a global assessment of the respiratory, circulatory and metabolic responses to exercise which are not adequately reflected through the measurement of individual organ system function at rest. In the context of critical COVID-19, CPET is an ideal approach for assessing long term sequelae.MethodsIn this prospective single-center study, we performed CPET 12 months after symptom onset in 60 patients that had required intensive care unit treatment for a severe COVID-19 infection. Lung function at rest and chest computed tomography (CT) scan were also performed.ResultsTwelve months after severe COVID-19 pneumonia, dyspnea was the most frequently reported symptom although only a minority of patients had impaired respiratory function at rest. Mild ground-glass opacities, reticulations and bronchiectasis were the most common CT scan abnormalities. The majority of the patients (80%) had a peak O2 uptake (V'O2) considered within normal limits (median peak predicted O2 uptake (V'O2) of 98% [87.2-106.3]). Length of ICU stay remained an independent predictor of V'O2. More than half of the patients with a normal peak predicted V'O2 showed ventilatory inefficiency during exercise with an abnormal increase of physiological dead space ventilation (VD/Vt) (median VD/VT of 0.27 [0.21-0.32] at anaerobic threshold (AT) and 0.29 [0.25-0.34] at peak) and a widened median peak alveolar-arterial gradient for O2 (35.2 mmHg [31.2-44.8]. Peak PetCO2 was significantly lower in subjects with an abnormal increase of VD/Vt (p = 0.001). Impairments were more pronounced in patients with dyspnea. Peak VD/Vt values were positively correlated with peak D-Dimer plasma concentrations from blood samples collected during ICU stay (r2 = 0.12; p = 0.02) and to predicted diffusion capacity of the lung for carbon monoxide (DLCO) (r2 = - 0.15; p = 0.01).ConclusionsTwelve months after severe COVID-19 pneumonia, most of the patients had a peak V'O2 considered within normal limits but showed ventilatory inefficiency during exercise with increased dead space ventilation that was more pronounced in patients with persistent dyspnea.Trial registrationNCT04519320 (19/08/2020).

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A Systematic Review and Quality Evaluation of Studies on Long-Term Sequelae of COVID-19.

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A Systematic Review and Quality Evaluation of Studies on Long-Term Sequelae of COVID-19.

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