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Background The long-term pulmonary sequelae of mild coronavirus disease 2019 (COVID-19) remains unknown. In this study, we aimed to characterize lung function trajectories in individuals with mild COVID-19 from preinfection to 2 years postinfection. Methods We reinvited participants 2 years after infection from our matched cohort study of the Copenhagen General Population who had initially been examined 5.4 months after infection. We repeated lung tests and questionnaires. Linear mixed models were used to estimate dynamics in lung volumes in individuals with COVID-19 patients versus uninfected controls over two intervals: from pre-infection to 6 months postinfection and 6 months postinfection to 2 years postinfection. Results 52 individuals (48.6%) attended the 2-year examination at median 1.9 years (interquartile range, 1.8–2.4) after COVID-19, all with mild infection. Individuals with COVID-19 had an adjusted excess decline in forced expiratory volume in 1 second (FEV1) of 13.0 mL per year (95% confidence interval [CI], −23.5 to −2.5; P =.02) from before infection to 6 months after infection compared to uninfected controls. From 6 to 24 months after infection, they had an excess decline of 7.5 mL per year (95% CI, −25.6–9.6; P =.40). A similar pattern was observed for forced vital capacity (FVC). Participants had a mean increase in diffusing capacity for carbon monoxide (DLco) of 3.33 (SD 7.97) between the 6- and 24-month examination. Conclusions Our results indicate that mild COVID-19 infection affects lung function at the time of infection with limited recovery 2 years after infection. [ABSTRACT FROM AUTHOR]

Background To quantify the potential decline in dynamic lung volumes following coronavirus disease 2019 (COVID-19) in the general population. Methods A prospective matched cohort study of adult Copenhagen General Population Study (CGPS) participants with a prepandemic spirometry available. CGPS individuals with positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) polymerase chain reaction (PCR) test performed repeat spirometry, a questionnaire regarding respiratory symptoms, and diffusing capacity test for carbon monoxide. A matched uninfected CGPS control sample was used, and simple regression and linear mixed effect models were computed to study lung function decline. Results A total of 606 individuals were included; 92/107 (85.9%) with positive SARS-CoV-2 PCR test experienced coronavirus disease 2019 (COVID-19) symptoms and 12 (11.2%) were hospitalized. Spirometry was performed at median 5.6 months (interquartile range, 3.9–12.8) after positive SARS-CoV-2 PCR test. COVID-19 was associated with adjusted 7.3 mL (95% confidence interval [CI],.3–14.3) and 22.6 mL (95% CI, 13.1–32.0) steeper decline in annual forced expiratory volume in first second (FEV1) and FVC or total 113.8 and 301.3 mL lower FEV1 and FVC from baseline to follow-up. Results were robust in analyses restricted to individuals not requiring hospitalization. Conclusions COVID-19–related declines of dynamic lung volume in the general population not requiring hospitalization were small but measurable. [ABSTRACT FROM AUTHOR]

Background: People with human immunodeficiency virus (PWH) may be at risk of nonalcoholic fatty liver disease. We compared the prevalence of moderate-to-severe hepatic steatosis (M-HS) in PWH with human immunodeficiency virus (HIV)-uninfected controls and determined risk factors for M-HS in PWH.Methods: The Copenhagen Co-Morbidity in HIV Infection study included 453 participants, and the Copenhagen General Population Study included 765 participants. None had prior or current viral hepatitis or excessive alcohol intake. Moderate-to-severe hepatic steatosis was assessed by unenhanced computed tomography liver scan defined by liver attenuation ≤48 Hounsfield units. Adjusted odds ratios (aORs) were computed by adjusted logistic regression.Results: The prevalence of M-HS was lower in PWH compared with uninfected controls (8.6% vs 14.2%, P < .01). In multivariable analyses, HIV (aOR, 0.44; P < .01), female sex (aOR, 0.08; P = .03), physical activity level (aOR, 0.09; very active vs inactive; P < .01), and alcohol (aOR, 0.89 per unit/week; P = .02) were protective factors, whereas body mass index (BMI) (aOR, 1.58 per 1 kg/m2; P < .01), alanine transaminase (ALT) (aOR, 1.76 per 10 U/L; P < .01), and exposure to integrase inhibitors (aOR, 1.28 per year; P = .02) were associated with higher odds of M-HS.Conclusions: Moderate-to-severe hepatic steatosis is less common in PWH compared with demographically comparable uninfected controls. Besides BMI and ALT, integrase inhibitor exposure was associated with higher prevalence of steatosis in PWH. [ABSTRACT FROM AUTHOR]

Background Increased pericardial adipose tissue is associated with higher risk of cardiovascular disease. We aimed to determine whether human immunodeficiency virus (HIV) status was independently associated with larger pericardial adipose tissue volume and to explore possible HIV-specific risk factors. Methods Persons with HIV (PWH) were recruited from the Copenhagen Comorbidity in HIV Infection (COCOMO) Study and matched 1:1 on age and sex to uninfected controls. Pericardial adipose tissue volume was measured using cardiac computed tomography. Results A total of 587 PWH and 587 controls were included. Median age was 52 years, and 88% were male. Human immunodeficiency virus status was independently associated with 17 mL (95% confidence interval [CI], 10–23; P < .001) larger pericardial adipose tissue volume. Larger pericardial adipose tissue volume was associated with low CD4+ nadir and prior use of stavudine, didanosine, and indinavir. Among PWH without thymidine analogue or didanosine exposure, time since initiating combination antiretroviral treatment (per 5-year use) was associated with l6 mL (95% CI, −6 to −25; P  = .002) lower pericardial adipose tissue volume. Conclusions Human immunodeficiency virus status was independently associated with larger pericardial adipose tissue volume. Severe immunodeficiency, stavudine, didanosine, and indinavir were associated with larger pericardial adipose tissue volume. Persons with HIV with prior exposure to these drugs may constitute a distinct cardiovascular risk population. [ABSTRACT FROM AUTHOR]

Background: Increased pericardial adipose tissue is associated with higher risk of cardiovascular disease. We aimed to determine whether human immunodeficiency virus (HIV) status was independently associated with larger pericardial adipose tissue volume and to explore possible HIV-specific risk factors.Methods: Persons with HIV (PWH) were recruited from the Copenhagen Comorbidity in HIV Infection (COCOMO) Study and matched 1:1 on age and sex to uninfected controls. Pericardial adipose tissue volume was measured using cardiac computed tomography.Results: A total of 587 PWH and 587 controls were included. Median age was 52 years, and 88% were male. Human immunodeficiency virus status was independently associated with 17 mL (95% confidence interval [CI], 10-23; P < .001) larger pericardial adipose tissue volume. Larger pericardial adipose tissue volume was associated with low CD4+ nadir and prior use of stavudine, didanosine, and indinavir. Among PWH without thymidine analogue or didanosine exposure, time since initiating combination antiretroviral treatment (per 5-year use) was associated with l6 mL (95% CI, -6 to -25; P = .002) lower pericardial adipose tissue volume.Conclusions: Human immunodeficiency virus status was independently associated with larger pericardial adipose tissue volume. Severe immunodeficiency, stavudine, didanosine, and indinavir were associated with larger pericardial adipose tissue volume. Persons with HIV with prior exposure to these drugs may constitute a distinct cardiovascular risk population. [ABSTRACT FROM AUTHOR]

Background: Chest computed tomography (CT) findings in well-treated people with HIV infection (PWH) remain poorly characterized.Methods: Cross-sectional analysis examining interstitial chest CT findings in PWH (n = 754) and uninfected controls (n = 470).Results: HIV infection was independently associated with 1.82 (95% CI, 1.18-2.88) and 5.15 (95% CI, 1.72-22.2) higher adjusted odds of any interstitial lung abnormality and findings suspicious for interstitial lung disease, respectively.Conclusions: HIV infection was independently associated with interstitial lung abnormalities and findings suspicious for interstitial lung disease. Whether these abnormalities develop into more recognizable disease states over time is unknown but warrants further investigation. [ABSTRACT FROM AUTHOR]

Background Prior to the introduction of combination antiretroviral therapy (cART), cytopenias were common in people with human immunodeficiency virus (PWH), but it is unknown if well-controlled HIV infection is a risk factor for cytopenia. In this study we aimed to determine if HIV infection is an independent risk factor for anemia, neutropenia, lymphocytopenia, and thrombocytopenia. Methods PWH with undetectable viral replication and absence of chronic hepatitis infection (n = 796) were recruited from the Copenhagen Comorbidity in HIV Infection (COCOMO) study and matched uninfected controls from the Copenhagen General Population Study (n = 2388). Hematology was analyzed in venous blood samples. Logistic regression analyses adjusted for age, sex, ethnicity, smoking status, alcohol, and high-sensitivity C-reactive protein were performed to determine possible associations between HIV and cytopenias. Results PWH had a higher prevalence of anemia (6.9% vs 3.4%, P <.001), neutropenia (1.3% vs 0.2%, P <.001), and thrombocytopenia (5.5% vs 2.7%, P <.001) compared with uninfected controls. HIV was independently associated with anemia-adjusted odds ratio (aOR) of 2.0 (95% confidence interval [CI], 1.4–3.0); neutropenia aOR, 6.3 (95% CI, 2.0–19.6); and thrombocytopenia aOR, 2.7 (95% CI, 1.8–4.2). No association was found between HIV and lymphocytopenia. Conclusions Cytopenia is rare in people with well-controlled HIV, but HIV remains a risk factor for anemia, neutropenia, and thrombocytopenia and requires ongoing attention and monitoring. [ABSTRACT FROM AUTHOR]

Background: Prior to the introduction of combination antiretroviral therapy (cART), cytopenias were common in people with human immunodeficiency virus (PWH), but it is unknown if well-controlled HIV infection is a risk factor for cytopenia. In this study we aimed to determine if HIV infection is an independent risk factor for anemia, neutropenia, lymphocytopenia, and thrombocytopenia.Methods: PWH with undetectable viral replication and absence of chronic hepatitis infection (n = 796) were recruited from the Copenhagen Comorbidity in HIV Infection (COCOMO) study and matched uninfected controls from the Copenhagen General Population Study (n = 2388). Hematology was analyzed in venous blood samples. Logistic regression analyses adjusted for age, sex, ethnicity, smoking status, alcohol, and high-sensitivity C-reactive protein were performed to determine possible associations between HIV and cytopenias.Results: PWH had a higher prevalence of anemia (6.9% vs 3.4%, P < .001), neutropenia (1.3% vs 0.2%, P < .001), and thrombocytopenia (5.5% vs 2.7%, P < .001) compared with uninfected controls. HIV was independently associated with anemia-adjusted odds ratio (aOR) of 2.0 (95% confidence interval [CI], 1.4-3.0); neutropenia aOR, 6.3 (95% CI, 2.0-19.6); and thrombocytopenia aOR, 2.7 (95% CI, 1.8-4.2). No association was found between HIV and lymphocytopenia.Conclusions: Cytopenia is rare in people with well-controlled HIV, but HIV remains a risk factor for anemia, neutropenia, and thrombocytopenia and requires ongoing attention and monitoring. [ABSTRACT FROM AUTHOR]