Abstract: medRxiv preprint doi: https://doi.org/10.1101/2020.04.24.20075838; this version posted April 28, 2020. The copyright holder for this preprint
(which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity.
All rights reserved. No reuse allowed without permission.
Vitamin D insufficiency is prevalent in severe COVID-19
Frank H. Lau, MD, FACS1, Rinku Majumder, PhD2, Radbeh Torabi, MD1, Fouad Saeg, BS3, Ryan
Hoffman, BS4, Jeffrey D. Cirillo, PhD5, Patrick Greiffenstein, MD, FACS1
Affiliations:
1. Department of Surgery, Louisiana State University Health Sciences Center New Orleans
(LSUHSC-NO)
2. Department of Biochemistry, LSUHSC-NO
3. Tulane School of Medicine
4. LSUHSC-NO School of Medicine
5. Department of Microbial Pathogenesis and Immunology, Texas A&M College of Medicine
Corresponding Author:
Dr. Frank H. Lau, MD, FACS; Department of Surgery, Louisiana State University Health Sciences Center
New Orleans, 1542 Tulane Ave, 7th Floor, New Orleans, LA 70112; email: flau@lsuhsc.edu; phone: (504)
412-1240
NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice.
medRxiv preprint doi: https://doi.org/10.1101/2020.04.24.20075838; this version posted April 28, 2020. The copyright holder for this preprint
(which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity.
All rights reserved. No reuse allowed without permission.
DOI record:
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"abstract": "<jats:sec><jats:title>Background</jats:title><jats:p>COVID-19 is a major pandemic that has killed more than 196,000 people. The COVID-19 disease course is strikingly divergent. Approximately 80-85% of patients experience mild or no symptoms, while the remainder develop severe disease. The mechanisms underlying these divergent outcomes are unclear. Emerging health disparities data regarding African American and homeless populations suggest that vitamin D insufficiency (VDI) may be an underlying driver of COVID-19 severity. To better define the VDI-COVID-19 link, we determined the prevalence of VDI among our COVID-19 intensive care unit (ICU) patients.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>In an Institutional Review Board approved study performed at a single, tertiary care academic medical center, the medical records of COVID-19 patients were retrospectively reviewed. Subjects were included for whom serum 25-hydroxycholecalcifoerol (25OHD) levels were determined. COVID-19-relevant data were compiled and analyzed. We determined the frequency of VDI among COVID-19 patients to evaluate the likelihood of a VDI-COVID-19 relationship.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Twenty COVID-19 patients with serum 25OHD levels were identified; 65.0% required ICU admission.The VDI prevalence in ICU patients was 84.6%, vs. 57.1% in floor patients. Strikingly, 100% of ICU patients less than 75 years old had VDI. Coagulopathy was present in 62.5% of ICU COVID-19 patients, and 92.3% were lymphocytopenic.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>VDI is highly prevalent in severe COVID-19 patients. VDI and severe COVID-19 share numerous associations including hypertension, obesity, male sex, advanced age, concentration in northern climates, coagulopathy, and immune dysfunction. Thus, we suggest that prospective, randomized controlled studies of VDI in COVID-19 patients are warranted.</jats:p></jats:sec>",
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