Hypokalemia as a sensitive biomarker of disease severity and the requirement for invasive mechanical ventilation requirement in COVID-19 pneumonia: A case series of 306 Mediterranean patients
Objectives: Serum levels of potassium (K+) appear to be significantly lower in severe cases of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the clinical significance of this is unknown. The objective was to investigate whether hypokalemia acts as a biomarker of severity in coronavirus disease 2019 (COVID-19) pneumonia and is associated with major clinical outcomes. Methods: A retrospective cohort study of inpatients with COVID-19 pneumonia (March 3 to May 2, 2020) was performed. Patients were categorized according to nadir levels of K+ in the first 72 h of admission: hypokalemia (K+ ≤3.5 mmol/l) and normokalemia (K+ <3.5 mmol/l). The main outcomes were all-cause mortality and the need for invasive mechanical ventilation (IMV); these were analyzed by multiple logistic regression (odds ratio (OR), 95% confidence interval (CI)). Results: Three hundred and six patients were enrolled. Ninety-four patients (30.7%) had hypokalemia and these patients showed significantly higher comorbidity (Charlson comorbidity index ≥3, 30.0% vs 16.3%; p = 0.02) and CURB65 scores (median (interquartile range): 1.5 (0.0–3.0) vs 1.0 (0.0–2.0); p = 0.04), as well as higher levels of some inflammatory parameters at baseline. After adjustment for confounders, hypokalemia was independently associated with requiring IMV during the admission (OR 8.98, 95% CI 2.54–31.74). Mortality was 15.0% (n = 46) and was not influenced by low K+. Hypokalemia was associated with longer hospital and ICU stays. Conclusions: Hypokalemia is prevalent in patients with COVID-19 pneumonia. Hypokalemia is an independent predictor of IMV requirement and seems to be a sensitive biomarker of severe progression of COVID-19..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:100 |
|---|---|
| Enthalten in: |
International Journal of Infectious Diseases - 100(2020), Seite 449-454 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Oscar Moreno-P [VerfasserIn] |
|---|
| Links: |
doi.org [kostenfrei] |
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| Themen: |
COVID19 pneumonia |
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| doi: |
10.1016/j.ijid.2020.09.033 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
DOAJ00914241X |
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| 245 | 1 | 0 | |a Hypokalemia as a sensitive biomarker of disease severity and the requirement for invasive mechanical ventilation requirement in COVID-19 pneumonia: A case series of 306 Mediterranean patients |
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| 520 | |a Objectives: Serum levels of potassium (K+) appear to be significantly lower in severe cases of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the clinical significance of this is unknown. The objective was to investigate whether hypokalemia acts as a biomarker of severity in coronavirus disease 2019 (COVID-19) pneumonia and is associated with major clinical outcomes. Methods: A retrospective cohort study of inpatients with COVID-19 pneumonia (March 3 to May 2, 2020) was performed. Patients were categorized according to nadir levels of K+ in the first 72 h of admission: hypokalemia (K+ ≤3.5 mmol/l) and normokalemia (K+ <3.5 mmol/l). The main outcomes were all-cause mortality and the need for invasive mechanical ventilation (IMV); these were analyzed by multiple logistic regression (odds ratio (OR), 95% confidence interval (CI)). Results: Three hundred and six patients were enrolled. Ninety-four patients (30.7%) had hypokalemia and these patients showed significantly higher comorbidity (Charlson comorbidity index ≥3, 30.0% vs 16.3%; p = 0.02) and CURB65 scores (median (interquartile range): 1.5 (0.0–3.0) vs 1.0 (0.0–2.0); p = 0.04), as well as higher levels of some inflammatory parameters at baseline. After adjustment for confounders, hypokalemia was independently associated with requiring IMV during the admission (OR 8.98, 95% CI 2.54–31.74). Mortality was 15.0% (n = 46) and was not influenced by low K+. Hypokalemia was associated with longer hospital and ICU stays. Conclusions: Hypokalemia is prevalent in patients with COVID-19 pneumonia. Hypokalemia is an independent predictor of IMV requirement and seems to be a sensitive biomarker of severe progression of COVID-19. | ||
| 650 | 4 | |a COVID19 pneumonia | |
| 650 | 4 | |a Hypokalemia | |
| 650 | 4 | |a Mortality | |
| 650 | 4 | |a Mechanical ventilation | |
| 650 | 4 | |a Cohort study | |
| 653 | 0 | |a Infectious and parasitic diseases | |
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| 700 | 0 | |a Laura Fuertes-Kenneally |e verfasserin |4 aut | |
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