Background Coronavirus disease 2019 (COVID‐19) ranges from asymptomatic disease to respiratory failure and requires invasive mechanical ventilation (IMV). Data about the sequelae after infection are scarce. The study aims to describe the prevalence of symptoms, pulmonary function tests (PFTs), and radiological changes after four months of follow‐up. Methods A prospective, cross‐sectional, multicentre study was performed. Patients with different illness severities were consecutively included (mild; moderate: hospitalized without IMV; severe: hospitalized with IMV). Clinical variables, health‐related quality of life (HRQoL), PFT (spirometry, diffusing capacity of the lungs for carbon monoxide (DLCO)), and (CT) scans of the chest were obtained. The association between the risk of sequelae (DLCO <80%) and altered CT was analysed using logistic regression adjusted for confounding variables. Results 60 patients (18 mild, 17 moderate, and 25 severe) were included. Fatigue was found in 11% of the mild, 47% of the moderate and 36% of the severe group. Altered DLCO (mild: 5.5%, moderate: 41%, severe: 28%, p < .05) and change in HRQoL (mild: 50%, moderate: 94%, severe: 60%), while the severe group showed a higher prevalence of altered CT (88% vs. 64%). Awake prone position (APP) and high‐flow nasal cannula (HFNC) was independently associated with altered DLCO, Odds ratio (OR) 7.28 (CI, 1.10‐47.81; p < .05), and altered CT, OR 9.50 (CI, 1.26‐71.5; p < .05). Besides, prolonged time in IMV was associated with altered CT, OR 1.24 (CI, 1.05‐1.46; p < .05). Discussion It is common to find sequelae in symptoms, radiology, and PFT. In our series, the use of APP+HFNC and days on IMV were associated with an increased risk of sequelae.
ObjectiveTo determine the association between Obstructive Sleep Apnea (OSA) with long-term symptoms and inflammatory cytokines, exploring the changes between 4-months and 1-year after COVID-19 infection.MethodsWe conducted an observational, prospective cohort study, including patients ≥18 years old with confirmed diagnosis of COVID-19 between April to July 2020. All participants underwent two clinical follow-up visits, the first at 4-months (Visit 1) and the second at 1 year, after SARS-CoV-2 infection (Visit 2). Plasma glucose, total cholesterol, HDL, and triglycerides. Regarding pulmonary function, spirometry and lung diffusion capacity tests were assessed. For mental and neurocognitive evaluation, a short-form (SF-12), Beck depression and Hospital-Anxiety depression questionnaires were conducted at both time-points, whereas the Montreal Cognitive assessment was conducted during the second follow-up. Regarding to sleep evaluation, Epworth Sleepiness Scale, Insomnia Severity index and STOP-BANG questionnaire were conducted. Additionally, a home sleep apnea test and 7-day wrist actigraphy were performed in all participants. Inflammatory cytokines were measured using an inflammatory cytokine bead array kit. p-values < 0.05 were considered statistically significant and statistical analyses were performed using R software.ResultsA total of 60 patients were included in the first follow-up, from which 57 completed the second follow-up. The mean age was 46.4 years-old (SD ± 13.1) and 53.3% were male. 30% of cases reported mild COVID-19 infection, 28.3% with moderate illness, and 41.6% with severe illness. Moreover, 56.6% of them were admitted to the ICU. Regarding to metabolic values, the OSA group showed higher values of insulin resistance (IR) (27%), systolic blood pressure (SBP) 135.2 (±19.1), dyslipidemia (67.5%), total cholesterol 202.1 (±60.5), triglycerides 176.1 (±119.0) and HOMA-IR 9.0 (±18.8) in comparison with the non-OSA group. 1 year after COVID-19 infection, DLCO test remains abnormal in OSA patients (25% OSA vs. 3.6% non-OSA, p = 0.02). Finally, those participants with OSA who develop ARDS reported an adjusted OR 20.4 (95%-CI, 1.04–504) risk of neurocognitive impairment.DiscussionAmong patients with previous COVID-19, OSA impact the development of incident glycemic, neurocognitive impairment, and abnormal functional pulmonary changes that persist up to 1 year since acute phase.
Objective: To describe the prevalence and severity of sleep disorders and circadian alterations in COVID-19 patients four months after the acute phase of the disease. Methods: This was a cross-sectional observational prospective study of patients with mild COVID-19, moderate COVID-19 (requiring hospitalization but no mechanical ventilation), or severe COVID-19 (with ARDS) four months after the acute phase of the disease. All patients underwent a home sleep apnea test and seven-day wrist actigraphy, as well as completing questionnaires to assess sleep quality and mental health. Differences among the three groups of patients were evaluated by ANOVA and the chi-square test. Results: A total of 60 patients were included in the study. Of those, 17 were in the mild COVID-19 group, 18 were in the moderate COVID-19 group, and 25 were in the severe COVID-19 group. Sleep quality, as assessed by satisfaction, alertness, timing, efficiency, and duration scale scores, was found to be impaired in all three groups, which also had a high prevalence of unhealthy sleep, as assessed by the Pittsburgh Sleep Quality Index. The prevalence of insomnia was increased in all three groups, as assessed by the Insomnia Severity Index. The home sleep apnea test showed that the overall prevalence of obstructive sleep apnea was 60%, and seven-day wrist actigraphy showed that total sleep time was < 7 h in all three groups. Changes in quality of life and in the circadian rest-activity pattern were observed in all three groups. Conclusions: Sleep-related symptoms, changes in the circadian rest-activity pattern, and impaired mental health appear to be common in COVID-19 patients four months after the acute phase of the disease, severe COVID-19 being associated with a higher prevalence of obstructive sleep apnea. Keywords: Sleep apnea, obstructive; Sleep disorders, circadian rhythm; COVID-19.
Sexual, physical, mental and sleep sequelae four months after SARS-CoV-2 diseaseBackground: Long term sequelae can be observed after SARS-CoV2. Aim: To describe the sexual, physical, mental and sleep sequelae four months after SARS-CoV2 diagnosis. Patients and Methods: Patients recovering from SARS-CoV2 with different degrees of disease severity were consecutively included and separated in two study groups, namely Group 1 including patients that had an acute respiratory distress syndrome (ARDS) and Group 2 including those with mild or moderate COVID-19. Handgrip strength, respiratory polygraphy (RP), Quality of life using the SF-12 questionnaire, and the international index of erectile (IIEF-5) function were assessed. Results: Twenty patients who had ARDS, and 10 without ARDS were included. Erectile dysfunction was observed in 77 and 10% of patients with and without ARDS, respectively (p < 0.01). The figures for sleep obstructive apnea were 82 and 40% respectively (p = 0.02) and for the physical domain SF-12 score were 39.2 and 47.9 points respectively (p = 0.01). No differences in muscle strength were observed. After a multivariable analysis, previous ARDS due to COVID-19 was independently associated with erectile dysfunction, with an odds ratio of 30.6 (95% confidence intervals, 3.08-300.3, p = 0.003). Conclusions: Among men with ARDS due to COVID-19, the prevalence of erectile dysfunction was high and independently associated with a severe disease four months after discharge.
Features of COVID-19 infection among patients with hematological malignanciesBackground: COVID-19 infection can be especially severe in certain risk populations such as patients with hematologic malignancies. Aim: To describe the characteristics and clinical outcomes of a population of patients with hematologic malignancies and COVID-19. Material and Methods: Review of medical records of patients with COVID-19 and hematologic malignancies, treated in Hematology Service of a regional hospital in Chile, between April 1 and October 30, 2020. Demographic characteristics, chronic comorbidities and clinical characteristics related to the underlying disease and COVID-19 infection were recorded. Results: Thirty adults aged 17 to 73 years (67% men) with COVID-19 confirmed by RT-PCR, were evaluated. Forty percent had comorbidities, mainly hypertension (30%), obesity (27%) and diabetes (10%). Two thirds of cases came from a nosocomial outbreak and 77% were symptomatic. Half of the cases had mild disease and 20% required mechanical ventilation. Five patients (17%) died from COVID 19. Female sex, the presence of comorbidities and obesity were more common among deceased patients. Only 1 of 5 deceased patients were in complete remission. No differences were found in the mean survival according to requirement for intubation or the presence of complete remission. Conclusions: This population with hematologic malignancies and COVID-19 had special characteristics leading to a greater fatality rate which, in this series, does not increase with the use of mechanical ventilation.
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