Effects of Zinc Combined with Probiotics on Antibiotic-associated Diarrhea Secondary to Childhood Pneumonia

By Rong Xiang, MS, Qing Tang, PhD, Xiu-Qi Chen, MS, Mu-Yan Li, MS, Mei-Xiong Yang, MS, Xiang Yun, MS, Li Huang, MS, Qing-Wen Shan

Journal of Tropical Pediatrics. October 2019

 

The aim of this study was to evaluate the impact of zinc combined with probiotics (Bifico) on antibiotic-associated diarrhea (AAD) secondary to pneumonia. A total of 50 patients with AAD secondary to pneumonia were randomly divided into a probiotics group (Bifico) and a combined group (zinc combined with Bifico) and 25 pneumonia patients without AAD as the control group. Serum levels of zinc, diamine oxidase (DAO) activity, D-lactate and intestinal flora [Bifidobacterium, Escherichia coli and Bifidobacterium/E. coli (B/E) ratio] were detected before and after intervention. The results showed that zinc combined with Bifico had significantly higher overall efficiency than Bifico alone for treatment of AAD secondary to pneumonia. Notably, the combined treatment increased the population of Bifidobacterium, while the number of E. coli was reduced, the B/E value was improved and DAO activity and D-lactate levels were markedly reduced. Patients with AAD secondary to pneumonia benefit from zinc supplementation of probiotic treatment.

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Effect of Vitamin C Infusion on Organ Failure and Biomarkers of Inflammation and Vascular Injury in Patients With Sepsis and Severe Acute Respiratory Failure

By Alpha A. Fowler III, Jonathon D. Truwit, R. Duncan Hite, Peter E. Morris, Christine DeWilde, Anna Priday, Bernard Fisher, Leroy R. Thacker II, Ramesh Natarajan, Donald F. Brophy, Robin Sculthorpe, Rahul Nanchal, Aamer Syed, Jamie Sturgill, Greg S. Martin, Jonathan Sevransky, Markos Kashiouris, Stella Hamman, Katherine F. Egan, Andrei Hastings, Wendy Spencer, Shawnda Tench, Omar Mehkri, James Bindas, Abhijit Duggal, Jeanette Graf, Stephanie Zellner, Lynda Yanny, Catherine McPolin, Tonya Hollrith, David Kramer, Charles Ojielo, Tessa Damm, Evan Cassity, Aleksandra Wieliczko, Matthew Halquist. Published in JAMA. October 1, 2019.

 

Experimental data suggest that intravenous vitamin C may attenuate inflammation and vascular injury associated with sepsis and acute respiratory distress syndrome (ARDS). To determine the effect of intravenous vitamin C infusion on organ failure scores and biological markers of inflammation and vascular injury in patients with sepsis and ARDS. The CITRIS-ALI trial was a randomized, double-blind, placebo-controlled, multicenter trial conducted in 7 medical intensive care units in the United States, enrolling patients (N = 167) with sepsis and ARDS present for less than 24 hours. The study was conducted from September 2014 to November 2017, and final follow-up was January 2018. Patients were randomly assigned to receive intravenous infusion of vitamin C (50 mg/kg in dextrose 5% in water, n = 84) or placebo (dextrose 5% in water only, n = 83) every 6 hours for 96 hours. The primary outcomes were change in organ failure as assessed by a modified Sequential Organ Failure Assessment score (range, 0-20, with higher scores indicating more dysfunction) from baseline to 96 hours, and plasma biomarkers of inflammation (C-reactive protein levels) and vascular injury (thrombomodulin levels) measured at 0, 48, 96, and 168 hours. Among 167 randomized patients (mean [SD] age, 54.8 years [16.7]; 90 men [54%]), 103 (62%) completed the study to day 60. There were no significant differences between the vitamin C and placebo groups in the primary end points of change in mean modified Sequential Organ Failure Assessment score from baseline to 96 hours (from 9.8 to 6.8 in the vitamin C group [3 points] and from 10.3 to 6.8 in the placebo group [3.5 points]; difference, −0.10; 95% CI, −1.23 to 1.03; P = .86) or in C-reactive protein levels (54.1 vs 46.1 μg/mL; difference, 7.94 μg/mL; 95% CI, −8.2 to 24.11; P = .33) and thrombomodulin levels (14.5 vs 13.8 ng/mL; difference, 0.69 ng/mL; 95% CI, −2.8 to 4.2; P = .70) at 168 hours. In this preliminary study of patients with sepsis and ARDS, a 96-hour infusion of vitamin C compared with placebo did not significantly improve organ dysfunction scores or alter markers of inflammation and vascular injury. Further research is needed to evaluate the potential role of vitamin C for other outcomes in sepsis and ARDS.

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Effect of Vitamin D Supplementation in the Prevention of Recurrent Pneumonia in Under-Five Children.

By Neha SinghEmail authorDnyanesh KambleEmail authorN. S. Mahantshetti

The Indian Journal of Pediatrics. July 25, 2019

 

To assess the effect of vitamin D supplementation in the prevention of recurrent pneumonia in under-five children.

The present one year 8 months longitudinal, community-based randomized controlled study included a total of 100 under-five children with pneumonia. Children were divided into two groups: intervention group (Group I: standard treatment with vitamin D 300,000 IU; n = 50) and control group (Group C: standard treatment only; n = 50). As nine samples were hemolyzed, groups I and C comprised of 46 and 45 children, respectively. The children were followed up for 1 y and signs of upper respiratory tract infections (URTI), lower respiratory tract infections (LRTI), vitamin D deficiency, and vitamin D toxicity were recorded.

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Misrecognition and Critical Consciousness — An 18-Month-Old Boy with Pneumonia and Chronic Malnutrition

By Héctor Carrasco, M.D., M.P.H., Luke Messac, M.D., Ph.D., and Seth M. Holmes, M.D., Ph.D.

The New England Journal of Medicine June 20, 2019

 

An 18-month-old boy in La Soledad, Mexico, presents with pneumonia, to which he was predisposed by malnutrition. When nutrition education and food-production efforts fail, a physician and a community collaborative work to elucidate the deeper roots of the problem.

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Effect of High-Dose Vitamin D Supplementation on Upper Respiratory Tract Infection Symptom Severity in Healthy Children

By Katrina Hueniken, Mary Aglipay, Catherine S. Birken, Patricia C. Parkin, Mark B. Loeb, Kevin E.Thorpe, David W.H. Dai, Andreas Laupacis, Muhammad Mamdani, Tony Mazzulli, Jonathon L. Maguire on behalf of the TARGet Kids! Collaboration

The Pediatric Infectious Disease Journal, June 2019

 

Observational studies support the role of vitamin D in reducing viral upper respiratory tract infection (URTI) symptom severity in adults and children. This study assessed whether wintertime high-dose vitamin D supplementation (2000 IU/day) reduces URTI symptom severity compared with standard-dose (400 IU/day) supplementation in preschool children. Secondary objectives were to assess effects of high-dose supplementation on outpatient physician visits, emergency department (ED) visits and antibiotic prescriptions for URTI.

This was a secondary analysis of a multisite randomized clinical trial involving 703 healthy 1- to 5-year-old children in Toronto, Canada. High-dose or standard-dose oral vitamin D was randomly assigned for 1 winter season. For each URTI, parents completed symptom checklists based on the Canadian Acute Respiratory and Flu Scale. Symptom severity, frequency of outpatient visits, ED visits and antibiotic prescriptions for URTI between groups were analyzed using negative binomial regression.

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