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1.
Open Respir Arch ; 3(1): 100081, 2021.
Article in Spanish | MEDLINE | ID: mdl-38620825

ABSTRACT

Introduction: Non-invasive respiratory therapies (NRT) were widely used in the first wave of the COVID-19 pandemic in different settings, depending on availability. The objective of our study was to present 90-day survival and associated factors in patients treated with NRT in a tertiary hospital without an Intermediate Respiratory Care Unit. The secondary objective was to compare the outcomes of the different therapies. Methods: Observational study of patients treated with NRT outside of an intensive care or intermediate respiratory care unit setting, diagnosed with COVID-19 and acute respiratory distress syndrome by radiological criteria and SpO2/FiO2 ratio. A multivariate logistic regression model was developed to determine independently associated variables, and the outcomes of high flow nasal cannula and continuous positive airway pressure were compared. Results: In total, 107 patients were treated and 85 (79.4%) survived at 90 days. Before starting NRT, the mean SpO2/FiO2 ratio was 119.8 ± 59.4. A higher SOFA score was significantly associated with mortality (OR 2,09; 95% CI 1.34-3.27), while self-pronation was a protective factor (OR 0.23; 95% CI 0.06-0.91). High flow nasal cannula was used in 63 subjects (58.9%), and continuous positive airway pressure in 41 (38.3%), with no differences between them. Conclusion: Approximately 4 out of 5 patients treated with NRT survived to 90 days, and no significant differences were found between high flow nasal cannula and continuous positive airway pressure.

2.
J Clin Med ; 9(3)2020 Mar 05.
Article in English | MEDLINE | ID: mdl-32151054

ABSTRACT

BACKGROUND: In chronic obstructive pulmonary disease (COPD), the "obesity paradox" is a phenomenon without a clear cause. The objective is to analyze the complications of COPD patients according to their body mass index (BMI). METHODS: An observational study with a six-year prospective follow-up of 273 COPD patients who attended a spirometry test in 2011. Survival and acute events were analyzed according to the BMI quartiles. RESULTS: A total of 273 patients were included. BMI quartiles were ≤24.23; 24.24-27.69; 27.70-31.25; ≥31.26. During the follow-up, 93 patients died. No differences were found in exacerbations, pneumonia, emergency visits, hospital admissions or income in a critical unit . Survival was lower in the quartile 1 of BMI with respect to each of the 2-4 quartiles (p-value 0.019, 0.013, and 0.004, respectively). Advanced age (hazard ratio, HR 1.06; 95% confidence interval, CI 1.03-1.09), low pulmonary function (HR 0.93; 95% CI 0.86-0.99), exacerbator with chronic bronchitis phenotype (HR 1.76; 95% CI 1.01-3.06), high Charlson (HR 1.32, 95% CI 1.18-1.49), and the quartile 1 of BMI (HR 1.99, 95% CI 1.08-3.69) were identified as risk factors independently associated with mortality. CONCLUSIONS: In COPD, low BMI conditions a lower survival, although not for having more acute events.

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