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COVID-19 severity and mortality in patients with CLL: an update of the international ERIC and Campus CLL study.

ABSTRACT: Patients with chronic lymphocytic leukemia (CLL) may be more susceptible to Coronavirus disease 2019 (COVID-19) due to age, disease, and treatment-related immunosuppression. We aimed to assess risk factors of outcome and elucidate the impact of CLL-directed treatments on the course of COVID-19. We conducted a retrospective, international study, collectively including 941 patients with CLL and confirmed COVID-19. Data from the beginning of the pandemic until March 16, 2021, were collected from 91 centers. The risk factors of case fatality rate (CFR), disease severity, and overall survival (OS) were investigated. OS analysis was restricted to patients with severe COVID-19 (definition: hospitalization with need of oxygen or admission into an intensive care unit). CFR in patients with severe COVID-19 was 38.4%. OS was inferior for patients in all treatment categories compared to untreated (p < 0.001). Untreated patients had a lower risk of death (HR = 0.54, 95% CI:0.41-0.72). The risk of death was higher for older patients and those suffering from cardiac failure (HR = 1.03, 95% CI:1.02-1.04; HR = 1.79, 95% CI:1.04-3.07, respectively). Age, CLL-directed treatment, and cardiac failure were significant risk factors of OS. Untreated patients had a better chance of survival than those on treatment or recently treated.

SUBMITTER: Chatzikonstantinou T

PROVIDER: S-EPMC8559135 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Introduction The most dreaded pandemic grappling world now, the Coronavirus Disease 2019 (COVID-19), chiefly involves the respiratory system; nevertheless, it is a multisystem disorder. Its involvement of the hepatic system is considerable; however, still emerging are its clinical implications and effects on morbidity and mortality. The aim of this study is to report on the various aspects of its hepatic involvement by describing the alterations in tests of liver function and its significance in the disease outcome in a cohort of hospitalized COVID-19 patients at a tertiary centre in northern India. Methods This is a retrospective cohort study conducted in a tertiary-care hospital in northern India. All confirmed hospitalized COVID-19 cases aged 15 and above from Apr till Oct 2020 with no pre-existing liver disease were included. The primary endpoint was death at 28 days. Statistical analysis included descriptive analysis, sensitivity-specificity, and univariable and multivariable regression analysis as well as survival analysis. Results A total of 708 COVID-19 patients fulfilled the inclusion criteria included 561 (79.2%) males and 147 (20.8%) females. The median age was 49 (IQR=25) years. Mild and moderate/severe disease were seen in 508 (71.8%) and 200 (28.2) patients respectively. Serum bilirubin, Aspartate-aminotransferase (AST) and Alanine-aminotransferase (ALT) were elevated in 6.92%, 69.91% and 80.22% of patients respectively. In univariable logistic regression, AST [odds ratio; OR 1.008 95% CI (1.005-1.012) per 1 IU/L increase] and ALT [OR 1.005 95% CI (1.002-1.007) per 1 IU/L increase] were significantly associated with the odds of moderate-to-severe disease but only AST was significant after adjustment to age, sex, and comorbidity [adjusted odds ratio; aOR 1.007 95% CI (1.003-1.011) per 1IU/L increase]. Serum albumin was negatively associated with the odds of moderate to severe disease and remained significant in the adjusted model [aOR 0.217 95%CI (0.149-0.316) per 1g/dL increase]. Ninety-six patients succumbed to illness [case fatality rate; CFR 13.6%). In adjusted Cox Proportional-Hazards Model for mortality, AST [adjusted hazard ratio; aHR 1.002 95% CI (1.000-1.003) per 1 IU/L increase] and serum albumin [aHR 0.396 95% CI (0.285-0.549) per 1g/dL increase] showed significant association with mortality. Conclusion Liver function abnormalities are common in COVID 19 patients. In particular, AST and serum albumin levels are effective predictors of disease severity and mortality and can be used as markers of fatal disease in the management as well as prognostication of COVID-19.

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COVID-19 severity and mortality in patients with CLL: an update of the international ERIC and Campus CLL study.

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