Gwendolyn M van der Wilden1, Peter J Fagenholz2, George C Velmahos2, Sadeq A Quraishi3, Inger B Schipper4, Carlos A Camargo5. 1. Division of Trauma, Emergency Surgery & Surgical Critical Care, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston Department of Surgery and Trauma Surgery, Leiden University Medical Center and Leiden University, Leiden, the Netherlands G.M.van_der_Wilden@lumc.nl. 2. Division of Trauma, Emergency Surgery & Surgical Critical Care, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston. 3. Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston. 4. Department of Surgery and Trauma Surgery, Leiden University Medical Center and Leiden University, Leiden, the Netherlands. 5. Department of Emergency Medicine, Massachusetts General Hospital and Harvard Medical School, Boston.
Abstract
BACKGROUND: Clostridium difficile is the most common cause of nosocomial diarrhea, affecting up to 10% of hospitalized patients. Preliminary studies suggest an association between vitamin D status and C difficile infections (CDIs). Our goal was to investigate whether serum 25-hydroxyvitamin D (25(OH)D) levels are associated with CDI severity. METHODS: We prospectively enrolled patients diagnosed with CDI and divided them into 2 severity groups: group A (positive toxin A/B enzyme immunoassay only) and group B (positive toxin A/B enzyme immunoassay with abdominal computed tomography scan findings consistent with colitis). Serum 25(OH)D levels (25(OH)D3, 25(OH)D2, and total 25(OH)D) were measured on all patients after diagnosis of CDI. We performed multivariable logistic regression analyses to investigate the association between 25(OH)D levels and CDI severity, while adjusting for age, Deyo-Charlson Comorbidity Index, recent hospitalization, and vitamin D supplementation. RESULTS: One hundred patients were enrolled between July 2011 and February 2013. The mean (standard deviation) cohort age and Deyo-Charlson Comorbidity Index were 62 (19) years and 4 (3), respectively; 54% of patients were male. Mean serum total 25(OH)D level was 22 (10) ng/mL. Mean 25(OH)D3 level was significantly higher in group A (n = 71) than in group B (n = 29): 21 (1) vs 15 (2) ng/mL, respectively (P = .005). There was no observed difference in mean 25(OH)D2 levels and total 25(OH)D levels between the 2 groups. Multivariable logistic regression analysis demonstrated an association between 25(OH)D3 levels and CDI severity (adjusted odds ratio, 0.92; 95% confidence interval, 0.87-0.98). CONCLUSIONS: We found a significant inverse association between 25(OH)D3 levels and CDI severity. Further studies are needed to determine whether vitamin D supplementation can improve outcomes in patients with CDI.
BACKGROUND:Clostridium difficile is the most common cause of nosocomial diarrhea, affecting up to 10% of hospitalized patients. Preliminary studies suggest an association between vitamin D status and C difficile infections (CDIs). Our goal was to investigate whether serum 25-hydroxyvitamin D (25(OH)D) levels are associated with CDI severity. METHODS: We prospectively enrolled patients diagnosed with CDI and divided them into 2 severity groups: group A (positive toxin A/B enzyme immunoassay only) and group B (positive toxin A/B enzyme immunoassay with abdominal computed tomography scan findings consistent with colitis). Serum 25(OH)D levels (25(OH)D3, 25(OH)D2, and total 25(OH)D) were measured on all patients after diagnosis of CDI. We performed multivariable logistic regression analyses to investigate the association between 25(OH)D levels and CDI severity, while adjusting for age, Deyo-Charlson Comorbidity Index, recent hospitalization, and vitamin D supplementation. RESULTS: One hundred patients were enrolled between July 2011 and February 2013. The mean (standard deviation) cohort age and Deyo-Charlson Comorbidity Index were 62 (19) years and 4 (3), respectively; 54% of patients were male. Mean serum total 25(OH)D level was 22 (10) ng/mL. Mean 25(OH)D3 level was significantly higher in group A (n = 71) than in group B (n = 29): 21 (1) vs 15 (2) ng/mL, respectively (P = .005). There was no observed difference in mean 25(OH)D2 levels and total 25(OH)D levels between the 2 groups. Multivariable logistic regression analysis demonstrated an association between 25(OH)D3 levels and CDI severity (adjusted odds ratio, 0.92; 95% confidence interval, 0.87-0.98). CONCLUSIONS: We found a significant inverse association between 25(OH)D3 levels and CDI severity. Further studies are needed to determine whether vitamin D supplementation can improve outcomes in patients with CDI.
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