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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Nutr+Clin+Pract 2021 ; 36 (1): 186-191 Nephropedia Template TP
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Association Between Low Zinc Levels and Severity of Acute Respiratory Distress Syndrome by New Coronavirus SARS-CoV-2 #MMPMID33368619
Goncalves TJM; Goncalves SEAB; Guarnieri A; Risegato RC; Guimaraes MP; de Freitas DC; Razuk-Filho A; Junior PBB; Parrillo EF
Nutr Clin Pract 2021[Feb]; 36 (1): 186-191 PMID33368619show ga
BACKGROUND: We verify the prevalence of low zinc levels among critically ill patients infected by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in the intensive care unit (ICU) who required invasive mechanical ventilation, as well as its association with severity of acute respiratory distress syndrome (ARDS). METHODS: This is an observational study composed of patients admitted to the ICU. Demographics, anthropometric data for calculating body mass index (BMI), and laboratory data were obtained at admission: blood count, ferritin, arterial blood gas, serum zinc levels, and C-reactive protein. Also, arterial oxygen tension (PaO(2) ) divided by fractional inspired oxygen (FiO(2) ) was calculated by the first arterial blood gas after intubation. A diagnosis of severe ARDS was determined if the PaO(2) /FiO(2) ratio was =100 mm Hg. Low zinc levels were established if zinc levels were <70 mug/dL. RESULTS: A total of 269 patients met inclusion criteria; 51.3% were men; median age was 74 (66-81) years; 91.1% (245 of 269) were elderly. The median BMI was 30.1 (24.7-32.1) kg/m(2) , with 59.9% (161 of 269) of patients having overweight and obesity. The prevalence of low zinc levels was 79.6% (214 of 269) and severe ARDS was 56.5% (152 of 269). There was an association of low zinc levels and severe ARDS (odds ratio [OR], 14.4; 95% CI, 6.2-33.5; P < .001), even after adjusting for baseline variables (OR, 15.4; 95% CI, 6.5-36.3; P < .001). CONCLUSION: Critically ill patients infected by SARS-CoV-2 with severe ARDS have a high prevalence of low serum zinc levels.