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- Acute Heart Failure Comorbidome: The Impact of Everything ElsePublication . Meireles, Mariana; Gonçalves, João; Neves, JoãoIntroduction: Heart failure frequently coexists with several comorbidities. Our aim is to evaluate the prognostic role of various comorbidities in the risk of acute heart failure development. Material and methods: Comorbidities of patients with acute heart failure were, retrospectively, compared to a control group of patients with chronic heart failure admitted to an Internal Medicine unit in a 2-year period. Logistic regression models were constructed to determine their association with acute heart failure and to develop a comorbidome. Results: We identified 229 patients with acute heart failure and 201 patients with chronic heart failure. Age and female gender were higher in acute heart failure group (p < 0.001) as was the number of comorbidities (4.0 ± 3.0 vs 4.0 ± 2.0, p = 0.044). Hyperuricemia (odds ratio 2.46, confidence interval 95% 1.41 - 4.31, p = 0.002), obesity (odds ratio 2.22, confidence interval 95% 1.31 - 3.76, p = 0.003), atrial fibrillation (odds ratio 1.93, confidence interval 95% 1.31 - 2.87, p = 0.001), peripheral artery disease (odds ratio 2.12, confidence interval 95% 1.01 - 4.42, p = 0.046) and chronic kidney disease (odds ratio 2.47, confidence interval 95% 1.65 - 3.71, p < 0.001) were associated with acute heart failure. Obesity, atrial fibrillation, peripheral artery disease and chronic kidney disease were identified as independent risk factors. Patients with multiple comorbidities had a superior risk of hospitalization due to heart failure: zero comorbidities - odds ratio 0.43, 95% confidence interval 0.28 - 0.67, p < 0.001; one comorbidity - odds ratio 0.69, 95% confidence interval 0.47 - 1.01, p = 0.057; two comorbidities - odds ratio 1.85, 95% confidence interval 1.11 - 3.08, p = 0.019; ≥ three comorbidities - odds ratio 5.81, 95% confidence interval 2.77 - 12.16, p < 0.001. Discussion: This study shows an association between several comorbidities and hospital admission due to acute heart failure. The association seems to strengthen in the presence of multiple comorbidities. Conclusion: A comorbidome is a useful tool to identify comorbidities associated with higher risk of acute heart failure. The identification of vulnerable patients may allow multidimensional interventions to minimize future hospital admissions.
- Atypical pathogens in hospitalized patients with community-acquired pneumonia: a worldwide perspectivePublication . Gramegna, A.; Sotgiu, G.; Di Pasquale, M.; Radovanovic, D.; Terraneo, S.; Reyes, L.; Vendrell, E.; Neves, J.; Menzella, F.; Blasi, F.; Aliberti, S.; Restrepo, M.BACKGROUND: Empirical antibiotic coverage for atypical pathogens in community-acquired pneumonia (CAP) has long been debated, mainly because of a lack of epidemiological data. We aimed to assess both testing for atypical pathogens and their prevalence in hospitalized patients with CAP worldwide, especially in relation with disease severity. METHODS: A secondary analysis of the GLIMP database, an international, multicentre, point-prevalence study of adult patients admitted for CAP in 222 hospitals across 6 continents in 2015, was performed. The study evaluated frequency of testing for atypical pathogens, including L. pneumophila, M. pneumoniae, C. pneumoniae, and their prevalence. Risk factors for testing and prevalence for atypical pathogens were assessed through univariate analysis. RESULTS: Among 3702 CAP patients 1250 (33.8%) underwent at least one test for atypical pathogens. Testing varies greatly among countries and its frequency was higher in Europe than elsewhere (46.0% vs. 12.7%, respectively, p < 0.0001). Detection of L. pneumophila urinary antigen was the most common test performed worldwide (32.0%). Patients with severe CAP were less likely to be tested for both atypical pathogens considered together (30.5% vs. 35.0%, p = 0.009) and specifically for legionellosis (28.3% vs. 33.5%, p = 0.003) than the rest of the population. Similarly, L. pneumophila testing was lower in ICU patients. At least one atypical pathogen was isolated in 62 patients (4.7%), including M. pneumoniae (26/251 patients, 10.3%), L. pneumophila (30/1186 patients, 2.5%), and C. pneumoniae (8/228 patients, 3.5%). Patients with CAP due to atypical pathogens were significantly younger, showed less cardiovascular, renal, and metabolic comorbidities in comparison to adult patients hospitalized due to non-atypical pathogen CAP. CONCLUSIONS: Testing for atypical pathogens in patients admitted for CAP in poorly standardized in real life and does not mirror atypical prevalence in different settings. Further evidence on the impact of atypical pathogens, expecially in the low-income countries, is needed to guidelines implementation.