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Guitor AK, Katyukhina A, Mokomane M, Lechiile K, Goldfarb DM, Wright GD, McArthur AG, Pernica JM. Minimal Impact on the Resistome of Children in Botswana After Azithromycin Treatment for Acute Severe Diarrheal Disease. J Infect Dis 2024; 230:239-249. [PMID: 39052715 PMCID: PMC11272098 DOI: 10.1093/infdis/jiae049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/02/2024] Open
Abstract
BACKGROUND Macrolide antibiotics, including azithromycin, can reduce under 5 years of age mortality rates and treat various infections in children in sub-Saharan Africa. These exposures, however, can select for antibiotic-resistant bacteria in the gut microbiota. METHODS Our previous randomized controlled trial (RCT) of a rapid-test-and-treat strategy for severe acute diarrheal disease in children in Botswana included an intervention (3-day azithromycin dose) group and a control group that received supportive treatment. In this prospective matched cohort study using stools collected at baseline and 60 days after treatment from RCT participants, the collection of antibiotic resistance genes or resistome was compared between groups. RESULTS Certain macrolide resistance genes increased in prevalence by 13%-55% at 60 days, without differences in gene presence between the intervention and control groups. These genes were linked to tetracycline resistance genes and mobile genetic elements. CONCLUSIONS Azithromycin treatment for bacterial diarrhea for young children in Botswana resulted in similar effects on the gut resistome as the supportive treatment and did not provide additional selective pressure for macrolide resistance gene maintenance. The gut microbiota of these children contains diverse macrolide resistance genes that may be transferred within the gut upon repeated exposures to azithromycin or coselected by other antibiotics. CLINICAL TRIALS REGISTRATION NCT02803827.
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Affiliation(s)
- Allison K Guitor
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
- David Braley Centre for Antibiotic Discovery, McMaster University, Hamilton, Ontario, Canada
| | - Anna Katyukhina
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
- David Braley Centre for Antibiotic Discovery, McMaster University, Hamilton, Ontario, Canada
| | - Margaret Mokomane
- School of Allied Health Professions, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
- Botswana National Health Laboratory, Gaborone, Botswana
| | - Kwana Lechiile
- Botswana-University of Pennsylvania Partnership, Gaborone, Botswana
| | - David M Goldfarb
- Botswana-University of Pennsylvania Partnership, Gaborone, Botswana
- Department of Pathology and Laboratory Medicine, British Columbia Children's Hospital, Vancouver, British Columbia, Canada
| | - Gerard D Wright
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
- David Braley Centre for Antibiotic Discovery, McMaster University, Hamilton, Ontario, Canada
| | - Andrew G McArthur
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
- David Braley Centre for Antibiotic Discovery, McMaster University, Hamilton, Ontario, Canada
| | - Jeffrey M Pernica
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
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Yang H, Lin Y, Ma Y, Li J, Li J, Huo Z, Yang P, Zhang C. Screening Probiotics for Anti- Helicobacter pylori and Investigating the Effect of Probiotics on Patients with Helicobacter pylori Infection. Foods 2024; 13:1851. [PMID: 38928794 PMCID: PMC11202727 DOI: 10.3390/foods13121851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Probiotics are natural microbial agents with beneficial properties such as bacteriostatic and anti-infective properties. Lactobacillus plantarum Q21, Q25 and QA85, were isolated from the Chinese specialty fermented food "Jiangshui" and proved to be highly resistant to Helicobacter pylori (p < 0.0001). In vitro results showed that Q21, Q25 and QA85 strongly inhibited H. pylori and could specifically co-aggregate H. pylori in vitro (more than 56%). Strains have the potential to adhere to cells and hinder H. pylori colonization (p < 0.0001). To assess the anti-H. pylori efficacy of strains in vivo, volunteers were recruited and a self-controlled study of probiotic intervention was conducted. Compared to pre-probiotics, volunteers who took Q21, Q25 and QA85 for 1 month showed significant improvement in discomfort, a significant reduction in GSRS scores (p < 0.05), and modulation of inflammatory response (p < 0.05). Q21, Q25 and QA85 resulted in a decreasing trend of H. pylori load in volunteers (454.30 ± 327.00 vs. 328.35 ± 237.19, p = 0.06). However, the strains were not significantly effective in modulating the imbalance of the gut microbiota caused by H. pylori infection. In addition, strains affect metabolic pathways by increasing the levels of O-Phosphoethanolamine and other related metabolites, which may ameliorate associated symptoms. Therefore, Lactobacillus plantarum Q21, Q25 and QA85 can be regarded as a candidate probiotic preparation that exerts direct or indirect anti-H. pylori effects by inhibiting H. pylori activity and colonization, reducing inflammation and discomfort, maintaining homeostasis in the internal environment, affecting the metabolic pathways and repairing the body barrier. They can play a role in relieving H. pylori infection.
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Affiliation(s)
- Hui Yang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Yang Lin
- School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou 730000, China
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou 730000, China
| | - Yuchan Ma
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Jiaru Li
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Junxiang Li
- School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou 730000, China
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou 730000, China
| | - Zeqi Huo
- School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou 730000, China
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou 730000, China
| | - Pingrong Yang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Chunjiang Zhang
- School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou 730000, China
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou 730000, China
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Pavlinac PB, Platts-Mills JA, Liu J, Atlas HE, Gratz J, Operario D, Rogawski McQuade ET, Ahmed D, Ahmed T, Alam T, Ashorn P, Badji H, Bahl R, Bar-Zeev N, Chisti MJ, Cornick J, Chauhan A, De Costa A, Deb S, Dhingra U, Dube Q, Duggan CP, Freyne B, Gumbi W, Hotwani A, Kabir M, Islam O, Kabir F, Kasumba I, Kibwana U, Kotloff KL, Khan SS, Maiden V, Manji K, Mehta A, Ndeketa L, Praharaj I, Qamar FN, Sazawal S, Simon J, Singa BO, Somji S, Sow SO, Tapia MD, Tigoi C, Toure A, Walson JL, Yousafzai MT, Houpt ER. Azithromycin for Bacterial Watery Diarrhea: A Reanalysis of the AntiBiotics for Children With Severe Diarrhea (ABCD) Trial Incorporating Molecular Diagnostics. J Infect Dis 2024; 229:988-998. [PMID: 37405406 PMCID: PMC11011181 DOI: 10.1093/infdis/jiad252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/25/2023] [Accepted: 07/03/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND Bacterial pathogens cause substantial diarrhea morbidity and mortality among children living in endemic settings, yet antimicrobial treatment is only recommended for dysentery or suspected cholera. METHODS AntiBiotics for Children with severe Diarrhea was a 7-country, placebo-controlled, double-blind efficacy trial of azithromycin in children 2-23 months of age with watery diarrhea accompanied by dehydration or malnutrition. We tested fecal samples for enteric pathogens utilizing quantitative polymerase chain reaction to identify likely and possible bacterial etiologies and employed pathogen-specific cutoffs based on genomic target quantity in previous case-control diarrhea etiology studies to identify likely and possible bacterial etiologies. RESULTS Among 6692 children, the leading likely etiologies were rotavirus (21.1%), enterotoxigenic Escherichia coli encoding heat-stable toxin (13.3%), Shigella (12.6%), and Cryptosporidium (9.6%). More than one-quarter (1894 [28.3%]) had a likely and 1153 (17.3%) a possible bacterial etiology. Day 3 diarrhea was less common in those randomized to azithromycin versus placebo among children with a likely bacterial etiology (risk difference [RD]likely, -11.6 [95% confidence interval {CI}, -15.6 to -7.6]) and possible bacterial etiology (RDpossible, -8.7 [95% CI, -13.0 to -4.4]) but not in other children (RDunlikely, -0.3% [95% CI, -2.9% to 2.3%]). A similar association was observed for 90-day hospitalization or death (RDlikely, -3.1 [95% CI, -5.3 to -1.0]; RDpossible, -2.3 [95% CI, -4.5 to -.01]; RDunlikely, -0.6 [95% CI, -1.9 to .6]). The magnitude of risk differences was similar among specific likely bacterial etiologies, including Shigella. CONCLUSIONS Acute watery diarrhea confirmed or presumed to be of bacterial etiology may benefit from azithromycin treatment. CLINICAL TRIALS REGISTRATION NCT03130114.
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Affiliation(s)
- Patricia B Pavlinac
- Department of Global Health
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - James A Platts-Mills
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Jie Liu
- School of Public Health, Qingdao University, Qingdao, China
| | | | - Jean Gratz
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Darwin Operario
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Tahmeed Ahmed
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Tahmina Alam
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Per Ashorn
- Center for Child, Adolescent, and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tampere University Hospital, Tampere, Finland
| | - Henry Badji
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Rajiv Bahl
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Naor Bar-Zeev
- International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Mohammod Jobayer Chisti
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Jen Cornick
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | | | - Ayesha De Costa
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Saikat Deb
- Center for Public Health Kinetics, New Delhi, India
| | - Usha Dhingra
- Center for Public Health Kinetics, New Delhi, India
| | - Queen Dube
- Department of Pediatrics, Queen Elizabeth Central Hospital, Blantyre, Malawi
| | - Christopher P Duggan
- Division of Gastroenterology, Hepatology and Nutrition, Department of Nutrition, Boston Children's Hospital, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Bridget Freyne
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
- Department of Women and Children's Health, School of Medicine, University College Dublin, Dublin, Ireland
| | - Wilson Gumbi
- Kenya Medical Research Institute–Wellcome Trust Research Programme, Kilifi, Kenya
| | - Aneeta Hotwani
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Mamun Kabir
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Ohedul Islam
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Furqan Kabir
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Irene Kasumba
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Upendo Kibwana
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Karen L Kotloff
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Department of Pediatrics, Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Shaila S Khan
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Victor Maiden
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | - Karim Manji
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Ashka Mehta
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Latif Ndeketa
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | - Ira Praharaj
- Department of Gastrointestinal Sciences, Christian Medical College, Vellore, India
| | - Farah Naz Qamar
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | | | - Jonathon Simon
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Benson O Singa
- Center for Clinical Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Sarah Somji
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Samba O Sow
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Milagritos D Tapia
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Caroline Tigoi
- Kenya Medical Research Institute–Wellcome Trust Research Programme, Kilifi, Kenya
| | - Aliou Toure
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Judd L Walson
- Department of Global Health
- Department of Epidemiology, University of Washington, Seattle, WA, USA
- Infectious Diseases, Department of Pediatrics and Medicine, University of Washington, Seattle
| | | | - Eric R Houpt
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
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Peng Y, Ma Y, Luo Z, Jiang Y, Xu Z, Yu R. Lactobacillus reuteri in digestive system diseases: focus on clinical trials and mechanisms. Front Cell Infect Microbiol 2023; 13:1254198. [PMID: 37662007 PMCID: PMC10471993 DOI: 10.3389/fcimb.2023.1254198] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Objectives Digestive system diseases have evolved into a growing global burden without sufficient therapeutic measures. Lactobacillus reuteri (L. reuteri) is considered as a new potential economical therapy for its probiotic effects in the gastrointestinal system. We have provided an overview of the researches supporting various L. reuteri strains' application in treating common digestive system diseases, including infantile colic, diarrhea, constipation, functional abdominal pain, Helicobacter pylori infection, inflammatory bowel disease, diverticulitis, colorectal cancer and liver diseases. Methods The summarized literature in this review was derived from databases including PubMed, Web of Science, and Google Scholar. Results The therapeutic effects of L. reuteri in digestive system diseases may depend on various direct and indirect mechanisms, including metabolite production as well as modulation of the intestinal microbiome, preservation of the gut barrier function, and regulation of the host immune system. These actions are largely strain-specific and depend on the activation or inhibition of various certain signal pathways. It is well evidenced that L. reuteri can be effective both as a prophylactic measure and as a preferred therapy for infantile colic, and it can also be recommended as an adjuvant strategy to diarrhea, constipation, Helicobacter pylori infection in therapeutic settings. While preclinical studies have shown the probiotic potential of L. reuteri in the management of functional abdominal pain, inflammatory bowel disease, diverticulitis, colorectal cancer and liver diseases, its application in these disease settings still needs further study. Conclusion This review focuses on the probiotic effects of L. reuteri on gut homeostasis via certain signaling pathways, and emphasizes the importance of these probiotics as a prospective treatment against several digestive system diseases.
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Affiliation(s)
- Yijing Peng
- Department of Neonatology, Women’s Hospital of Jiangnan University, Wuxi Maternity and Child Health Care Hospital, Wuxi, China
- Wuxi Children’s Hospital, Children’s Hospital of Jiangnan University, Wuxi, China
| | - Yizhe Ma
- Department of Neonatology, Women’s Hospital of Jiangnan University, Wuxi Maternity and Child Health Care Hospital, Wuxi, China
- Department of Pediatric, Jiangyin People’s Hospital of Nantong University, Wuxi, China
| | - Zichen Luo
- Department of Neonatology, Women’s Hospital of Jiangnan University, Wuxi Maternity and Child Health Care Hospital, Wuxi, China
| | - Yifan Jiang
- School of Medicine, Nantong University, Nantong, China
| | - Zhimin Xu
- College of Resources and Environment, Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Renqiang Yu
- Department of Neonatology, Women’s Hospital of Jiangnan University, Wuxi Maternity and Child Health Care Hospital, Wuxi, China
- Research Institute for Reproductive Health and Genetic Diseases, Women’s Hospital of Jiangnan University, Wuxi Maternity and Child Health Care Hospital, Wuxi, China
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Sun X, Kong J, Zhu S, Liu C. A systematic review and meta-analysis: the therapeutic and preventive effect of Lactobacillus reuteri DSM 17,938 addition in children with diarrhea. BMC Gastroenterol 2023; 23:141. [PMID: 37147591 PMCID: PMC10161659 DOI: 10.1186/s12876-023-02778-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 04/21/2023] [Indexed: 05/07/2023] Open
Abstract
OBJECTIVE To summarize the effect of adding Lactobacillus reuteri in the treatment plan for diarrheal disease in children, and analyze the potential of probiotics in preventing the occurrence of diarrheal disease. METHODS Search for randomized controlled trials of Lactobacillus reuteri for the treatment and prevention of diarrhea in the Pubmed, Web of science, Medline, and Cochrane databases. Data such as the number of diarrhea patients, time, length of stay, clinical symptoms and effect of diarrhea prevention were extracted for meta-analysis. Relative risk and confidence interval (RR and 95% CI) were used as outcome indicators. RESULTS 963 participants in the 9 RCTs came from multiple countries/regions. Compared with placebo/no intervention, the number of diarrhea patients in the Lactobacillus reuteri group was significantly reduced on the day 1 (RR = 0.87, 95%CI: 0.78-0.97) and day 2 (RR = 0.61, 95%CI: 0.44-0.83). Cumulative statistics analysis showed that the effect was stable and significant starting on the 4th day after treatment. A few studies have shown that Lactobacillus reuteri can reduce the time of diarrhea, the number of days with watery stools, and days of hospital stay. However, it has no effect on the occurrence of nosocomial diarrhea (RR = 1.11, 95%CI: 0.68-1.83), rotavirus diarrhea (RR = 1.46, 95%CI: 0.78-2.72), antibiotic-related diarrhea (RR = 1.76, 95%CI: 0.77-4.05), and diarrhea (RR = 1.35, 95%CI: 0.95-1.92). CONCLUSION Addition of Lactobacillus reuteri in the treatment plan has a significant effect on reducing the number of diarrhea and reducing the symptoms of diarrhea, but has no obvious effect on the prevention of diarrhea. Combining probiotics and improving the ability of probiotics to respond is the focus of attention.
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Affiliation(s)
- Xiaoqi Sun
- Department of Clinical Nutrition, Shengjing Hospital of China Medical University, Shenyang, China.
| | - Juan Kong
- Department of Clinical Nutrition, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shuotong Zhu
- Department of Gerneral Surgery, Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Chengjiang Liu
- Department of Gastroenterology, Anhui Medical University, He Fei, China
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Zhao D, Zhang R, Wang J, Zhang X, Liu K, Zhang H, Liu H. Effect of Limosilactobacillus reuteri ZJF036 on Growth Performance and Gut Microbiota in Juvenile Beagle Dogs. Curr Microbiol 2023; 80:155. [PMID: 36995478 DOI: 10.1007/s00284-023-03276-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/18/2023] [Indexed: 03/31/2023]
Abstract
This experiment investigated the effects of Limosilactobacillus reuteri ZJF036 on growth performance, serum biochemical parameters, and gut microbiota in beagle dogs. Sixteen 75 ± 5-day-old healthy male beagles (4.51 ± 1.37 kg) were randomly divided into two groups; the experimental group (L1) and the control group (L0), and then fed with or without a basal diet containing L. reuteri ZJF036 (109 CFU/g), respectively. The results showed that there was no significant difference in daily weight gain between the two groups (P > 0.05). However, we found that L. reuteri ZJF036 decreased Chao1 index and ACE index and increased the relative abundance of Firmicutes and Fusobacteria (P < 0.05) compared to the L0 group. In addition, we also found that the ratio of Firmicutes to Bacteroidetes was decreased in L1 group. Furthermore, the relative abundance of Lactobacillus increased, while that of Turicibacter and Blautia decreased in L1 group (P < 0.05). In conclusion, L. reuteri ZJF036 appeared to regulate the intestinal microbiota of beagle dogs. This study revealed the potential use of L. reuteri ZJBF036 as a probiotic supplement for beagle dogs.
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Affiliation(s)
- Dehui Zhao
- College of Agriculture, Chifeng University, Chifeng, 024000, People's Republic of China
- Hebei Key Laboratory of Specialty Animal Germplasm Resources Exploration and Innovation, Hebei Normal University of Science and Technology, Qinhuangdao, 066004, People's Republic of China
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun, 130112, People's Republic of China
| | - Ruchun Zhang
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun, 130112, People's Republic of China
| | - Jinming Wang
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun, 130112, People's Republic of China
| | - Xinyu Zhang
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun, 130112, People's Republic of China
| | - Keyuan Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, 266109, People's Republic of China
| | - Haihua Zhang
- Hebei Key Laboratory of Specialty Animal Germplasm Resources Exploration and Innovation, Hebei Normal University of Science and Technology, Qinhuangdao, 066004, People's Republic of China
| | - Hanlu Liu
- College of Agriculture, Chifeng University, Chifeng, 024000, People's Republic of China.
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Pernica JM, Arscott-Mills T, Steenhoff AP, Mokomane M, Moorad B, Bapabi M, Lechiile K, Mangwegape O, Batisani B, Mawoko N, Muthoga C, Vanniyasingam T, Ewusie J, Lowe A, Bonsu JM, Gezmu AM, Smieja M, Mazhani L, Stordal K, Thabane L, Kelly MS, Goldfarb DM. Optimising the management of childhood acute diarrhoeal disease using a rapid test-and- treat strategy and/or Lactobacillus reuteri DSM 17938: a multicentre, randomised, controlled, factorial trial in Botswana. BMJ Glob Health 2022; 7:bmjgh-2021-007826. [PMID: 35418412 PMCID: PMC9014020 DOI: 10.1136/bmjgh-2021-007826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 03/14/2022] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION The study aim was to determine if rapid enteric diagnostics followed by the provision of targeted antibiotic therapy ('test-and-treat') and/or Lactobacillus reuteri DSM 17938 would improve outcomes in children hospitalised in Botswana with acute gastroenteritis. METHODS This was a multicentre, randomised, factorial, controlled, trial. Children aged 2-60 months admitted for acute non-bloody diarrhoea to four hospitals in southern Botswana were eligible. Participants were assigned to treatment groups by web-based block randomisation. Test-and-treat results were not blinded, but participants and research staff were blinded to L. reuteri/placebo assignment; this was dosed as 1×108 cfu/mL by mouth daily and continued for 60 days. The primary outcome was 60-day age-standardised height (HAZ) adjusted for baseline HAZ. All analyses were by intention to treat. The trial was registered at Clinicaltrials.gov. RESULTS Recruitment began on 12 June 2016 and continued until 24 October 2018. There were 66 participants randomised to the test-and-treat plus L. reuteri group, 68 randomised to the test-and-treat plus placebo group, 69 to the standard care plus L. reuteri group and 69 to the standard care plus placebo group. There was no demonstrable impact of the test-and-treat intervention (mean increase of 0.01 SD, 95% CI -0.14 to 0.16 SD) or the L. reuteri intervention (mean decrease of 0.07 SD, 95% CI -0.22 to 0.08 SD) on adjusted HAZ at 60 days. CONCLUSIONS In children hospitalised for acute gastroenteritis in Botswana, neither a test-and-treat algorithm targeting enteropathogens, nor a 60-day course of L. reuteri DSM 17938, were found to markedly impact linear growth or other important outcomes. We cannot exclude the possibility that test-and-treat will improve the care of children with significant enteropathogens (such as Shigella) in their stool. TRIAL REGISTRATION NUMBER NCT02803827.
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Affiliation(s)
- Jeffrey M Pernica
- Department of Pediatrics, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada .,Department of Health Research Methods, Evidence, and Impact, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
| | - Tonya Arscott-Mills
- Botswana-UPenn Partnership, Gaborone, Botswana.,The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.,Global Health Center, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Andrew P Steenhoff
- Global Health Center, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Margaret Mokomane
- Department of Microbiology, University of Botswana, Gaborone, South-East District, Botswana
| | | | | | | | | | | | | | - Charles Muthoga
- Botswana-UPenn Partnership, Gaborone, Botswana.,Botswana-Harvard AIDS Institute Partnership, Gaborone, Gaborone, Botswana
| | - Thuvaraha Vanniyasingam
- Department of Health Research Methods, Evidence, and Impact, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
| | - Joycelyne Ewusie
- Department of Health Research Methods, Evidence, and Impact, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.,The Research Institute-Biostatistics Unit, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Amy Lowe
- Department of Global Health, McMaster University, Hamilton, Ontario, Canada
| | - Janice M Bonsu
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Alemayehu M Gezmu
- Department of Pediatrics and Adolescent Health, University of Botswana, Gaborone, Botswana
| | - Marek Smieja
- Department of Health Research Methods, Evidence, and Impact, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.,Department of Pathology and Molecular Medicine, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
| | - Loeto Mazhani
- Department of Pediatrics and Adolescent Health, University of Botswana, Gaborone, Botswana
| | - Ketil Stordal
- Pediatric Research Institute, University of Oslo Faculty of Medicine, Oslo, Norway
| | - Lehana Thabane
- Department of Pediatrics, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.,Department of Health Research Methods, Evidence, and Impact, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.,The Research Institute-Biostatistics Unit, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada.,University of Johannesburg Faculty of Health Sciences, Johannesburg, South Africa
| | - Matthew S Kelly
- Department of Pediatrics, Duke University, Durham, North Carolina, USA
| | - David M Goldfarb
- Department of Pathology and Laboratory Medicine, The University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada
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8
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Makhaola K, Lechiile K, Moyo S, Goldfarb DM, Pernica JM, Kebaabetswe LP. Molecular Characterization of Sapovirus from Children with Gastroenteritis in Botswana. JOURNAL OF CLINICAL VIROLOGY PLUS 2022. [DOI: 10.1016/j.jcvp.2022.100077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Kuwelker K, Langeland N, Löhr IH, Gidion J, Manyahi J, Moyo SJ, Blomberg B, Klingenberg C. Use of probiotics to reduce infections and death and prevent colonization with extended-spectrum beta-lactamase (ESBL)-producing bacteria among newborn infants in Tanzania (ProRIDE Trial): study protocol for a randomized controlled clinical trial. Trials 2021; 22:312. [PMID: 33926519 PMCID: PMC8082054 DOI: 10.1186/s13063-021-05251-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 04/07/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) has emerged as an urgent global health threat and is by the World Health Organization ranked as priority 1 among pathogens in need of new treatment. Studies have shown high mortality in Tanzanian children with ESBL-E infections. Gut colonization of ESBL-E, which is a potential risk factor of ESBL-E infections, is reported to be very high among children in Tanzania. Probiotics may potentially reduce gut colonization of multidrug-resistant bacteria. However, there is limited data on whether probiotics may reduce ESBL-E carriage in infants. The ProRIDE Trial aims to evaluate whether the use of probiotics can reduce morbidity and mortality among infants in Haydom, Tanzania, and whether this effect is associated with a reduction in ESBL-E colonization and/or infections. METHODS/DESIGN This large randomized double-blinded placebo-controlled trial aims to recruit 2000 newborn infants at Haydom Lutheran Hospital and the surrounding area in the period of November 2020 to November 2021. Participants will be enrolled from days 0 to 3 after birth and randomized to receive probiotics or placebo for 4 weeks. Participants will be followed-up for 6 months, during which three visits will be made to collect clinical and demographic information, as well as rectal swabs and fecal samples which will be subjected to laboratory analysis. The primary composite outcome is the prevalence of death and/or hospitalization at 6 months of age. DISCUSSION As the use of probiotics may give a more favorable gut composition, and thereby improve health and reduce morbidity and mortality, the results may have implications for future therapy guidelines in Africa and internationally. TRIAL REGISTRATION ClinicalTrials.gov NCT04172012. Registered on November 21, 2019.
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Affiliation(s)
- Kanika Kuwelker
- Norwegian National Advisory Unit on Tropical Infectious Diseases, Haukeland University Hospital, Haukelandsbakken, 5009 Bergen, Norway
| | - Nina Langeland
- Norwegian National Advisory Unit on Tropical Infectious Diseases, Haukeland University Hospital, Haukelandsbakken, 5009 Bergen, Norway
- Department of Clinical Science, University of Bergen, Laboratory Building, Haukeland University Hospital, Jonas Lies veg 87, 5021 Bergen, Norway
| | - Iren Høyland Löhr
- Department of Medical Microbiology, Stavanger University Hospital, Gerd Ragna Bloch Thorsens gate, 4011 Stavanger, Norway
| | - Joshua Gidion
- Department of Paediatrics, Haydom Lutheran Hospital, Mbulu, Manyara Tanzania
| | - Joel Manyahi
- Department of Clinical Science, University of Bergen, Laboratory Building, Haukeland University Hospital, Jonas Lies veg 87, 5021 Bergen, Norway
- Department of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, MUHAS, P.O. Box 65005, Dar es Salaam, Tanzania
| | - Sabrina John Moyo
- Department of Clinical Science, University of Bergen, Laboratory Building, Haukeland University Hospital, Jonas Lies veg 87, 5021 Bergen, Norway
- Department of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, MUHAS, P.O. Box 65005, Dar es Salaam, Tanzania
| | - Bjørn Blomberg
- Norwegian National Advisory Unit on Tropical Infectious Diseases, Haukeland University Hospital, Haukelandsbakken, 5009 Bergen, Norway
- Department of Clinical Science, University of Bergen, Laboratory Building, Haukeland University Hospital, Jonas Lies veg 87, 5021 Bergen, Norway
| | - Claus Klingenberg
- Department of Paediatrics and Adolescence Medicine, University Hospital of North Norway, Tromsø, Norway
- Paediatric Research Group, Faculty of Health Sciences, University of Tromsø-Arctic University of Norway, Tromsø, Norway
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10
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Collinson S, Deans A, Padua-Zamora A, Gregorio GV, Li C, Dans LF, Allen SJ. Probiotics for treating acute infectious diarrhoea. Cochrane Database Syst Rev 2020; 12:CD003048. [PMID: 33295643 PMCID: PMC8166250 DOI: 10.1002/14651858.cd003048.pub4] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Probiotics may be effective in reducing the duration of acute infectious diarrhoea. OBJECTIVES To assess the effects of probiotics in proven or presumed acute infectious diarrhoea. SEARCH METHODS We searched the trials register of the Cochrane Infectious Diseases Group, MEDLINE, and Embase from inception to 17 December 2019, as well as the Cochrane Controlled Trials Register (Issue 12, 2019), in the Cochrane Library, and reference lists from studies and reviews. We included additional studies identified during external review. SELECTION CRITERIA Randomized controlled trials comparing a specified probiotic agent with a placebo or no probiotic in people with acute diarrhoea that is proven or presumed to be caused by an infectious agent. DATA COLLECTION AND ANALYSIS Two review authors independently applied inclusion criteria, assessed risk of bias, and extracted data. Primary outcomes were measures of diarrhoea duration (diarrhoea lasting ≥ 48 hours; duration of diarrhoea). Secondary outcomes were number of people hospitalized in community studies, duration of hospitalization in inpatient studies, diarrhoea lasting ≥ 14 days, and adverse events. MAIN RESULTS We included 82 studies with a total of 12,127 participants. These studies included 11,526 children (age < 18 years) and 412 adults (three studies recruited 189 adults and children but did not specify numbers in each age group). No cluster-randomized trials were included. Studies varied in the definitions used for "acute diarrhoea" and "end of the diarrhoeal illness" and in the probiotic(s) tested. A total of 53 trials were undertaken in countries where both child and adult mortality was low or very low, and 26 where either child or adult mortality was high. Risk of bias was high or unclear in many studies, and there was marked statistical heterogeneity when findings for the primary outcomes were pooled in meta-analysis. Effect size was similar in the sensitivity analysis and marked heterogeneity persisted. Publication bias was demonstrated from funnel plots for the main outcomes. In our main analysis of the primary outcomes in studies at low risk for all indices of risk of bias, no difference was detected between probiotic and control groups for the risk of diarrhoea lasting ≥ 48 hours (risk ratio (RR) 1.00, 95% confidence interval (CI) 0.91 to 1.09; 2 trials, 1770 participants; moderate-certainty evidence); or for duration of diarrhoea (mean difference (MD) 8.64 hours shorter, 95% CI 29.4 hours shorter to 12.1 hours longer; 6 trials, 3058 participants; very low-certainty evidence). Effect size was similar and marked heterogeneity persisted in pre-specified subgroup analyses of the primary outcomes that included all studies. These included analyses limited to the probiotics Lactobacillus rhamnosus GG and Saccharomyces boulardii. In six trials (433 participants) of Lactobacillus reuteri, there was consistency amongst findings (I² = 0%), but risk of bias was present in all included studies. Heterogeneity also was not explained by types of participants (age, nutritional/socioeconomic status captured by mortality stratum, region of the world where studies were undertaken), diarrhoea in children caused by rotavirus, exposure to antibiotics, and the few studies of children who were also treated with zinc. In addition, there were no clear differences in effect size for the primary outcomes in post hoc analyses according to decade of publication of studies and whether or not trials had been registered. For other outcomes, the duration of hospitalization in inpatient studies on average was shorter in probiotic groups than in control groups but there was marked heterogeneity between studies (I² = 96%; MD -18.03 hours, 95% CI -27.28 to -8.78, random-effects model: 24 trials, 4056 participants). No differences were detected between probiotic and control groups in the number of people with diarrhoea lasting ≥ 14 days (RR 0.49, 95% CI 0.16 to 1.53; 9 studies, 2928 participants) or in risk of hospitalization in community studies (RR 1.26, 95% CI 0.84 to 1.89; 6 studies, 2283 participants). No serious adverse events were attributed to probiotics. AUTHORS' CONCLUSIONS Probiotics probably make little or no difference to the number of people who have diarrhoea lasting 48 hours or longer, and we are uncertain whether probiotics reduce the duration of diarrhoea. This analysis is based on large trials with low risk of bias.
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Affiliation(s)
- Shelui Collinson
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Andrew Deans
- Urgent Care, Team Medical, Paraparaumu, New Zealand
| | - April Padua-Zamora
- Department of Pediatrics, University of the Philippines Manila College of Medicine-Philippine General Hospital, Manila, Philippines
| | - Germana V Gregorio
- Department of Pediatrics, University of the Philippines Manila College of Medicine-Philippine General Hospital, Manila, Philippines
| | - Chao Li
- Tropical Clinical Trials Unit, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Leonila F Dans
- Department of Pediatrics, University of the Philippines Manila College of Medicine-Philippine General Hospital, Manila, Philippines
| | - Stephen J Allen
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
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11
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Ranakusuma RW, McCullough AR, Safitri ED, Pitoyo Y, Widyaningsih W, Del Mar CB, Beller EM. Oral prednisolone for acute otitis media in children: a pilot, pragmatic, randomised, open-label, controlled study (OPAL study). Pilot Feasibility Stud 2020; 6:121. [PMID: 32874679 PMCID: PMC7455987 DOI: 10.1186/s40814-020-00671-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 08/19/2020] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Acute otitis media (AOM) is associated with high antibiotic prescribing rates. Antibiotics are somewhat effective in improving pain and middle ear effusion (MEE); however, they have unfavourable effects. Alternative treatments, such as corticosteroids as anti-inflammatory agents, are needed. Evidence for the efficacy of these remains inconclusive. We conducted a pilot study to test feasibility of a proposed large-scale randomised controlled trial (RCT) to assess the efficacy of corticosteroids for AOM. METHODS We conducted a pilot, pragmatic, parallel, open-label RCT of oral corticosteroids for paediatric AOM in primary and secondary/tertiary care centres in Indonesia. Children aged 6 months-12 years with AOM were randomised to either prednisolone or control (1:1). Physicians were blinded to allocation. Our objectives were to test the feasibility of our full RCT procedures and design, and assess the mechanistic effect of corticosteroids, using tympanometry, in suppressing middle ear inflammation by reducing MEE. RESULTS We screened 512 children; 62 (38%) of 161 eligible children were randomised and 60 were analysed for the primary clinical outcome. All study procedures were completed successfully by healthcare personnel and parents/caregivers, despite time constraints and high workload. All eligible, consenting children were appropriately randomised. One child did not take the medication and four received additional oral corticosteroids. Our revised sample size calculation verified 444 children are needed for the full RCT. Oral corticosteroids did not have any discernible effects on MEE resolution and duration. There was no correlation between pain or other symptoms and MEE change. However, prednisolone may reduce pain intensity at day 3 (Visual Analogue Scale mean difference - 7.4 mm, 95% confidence interval (CI) - 13.4 to - 1.3, p = 0.018), but cause drowsiness (relative risk (RR) 1.8, 95% CI 1.1 to 2.8, p = 0.016). Tympanometry curves at day 7 may be improved (RR 1.8, 95% CI 1.0 to 2.9). We cannot yet confirm these as effects of corticosteroids due to insufficient sample size in this pilot study. CONCLUSIONS It is feasible to conduct a large, pragmatic RCT of corticosteroids for paediatric AOM in Indonesia. Although oral corticosteroids may reduce pain and improve tympanometry curves, it requires an adequately powered clinical trial to confirm this. TRIAL REGISTRATION Study registry number: ACTRN12618000049279. Name of registry: the Australian New Zealand Clinical Trials Registry (ANZCTR). Date of registration: 16 January 2018.
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Affiliation(s)
- Respati W. Ranakusuma
- Institute for Evidence-Based Healthcare, Bond University, 14 University Drive, Robina, QLD 4226 Australia
- Clinical Epidemiology and Evidence-Based Medicine Unit, Dr. Cipto Mangunkusumo General Hospital – Faculty of Medicine Universitas Indonesia, Diponegoro 71, Jakarta, 10430 Indonesia
| | - Amanda R. McCullough
- Institute for Evidence-Based Healthcare, Bond University, 14 University Drive, Robina, QLD 4226 Australia
| | - Eka D. Safitri
- Clinical Epidemiology and Evidence-Based Medicine Unit, Dr. Cipto Mangunkusumo General Hospital – Faculty of Medicine Universitas Indonesia, Diponegoro 71, Jakarta, 10430 Indonesia
| | - Yupitri Pitoyo
- Clinical Epidemiology and Evidence-Based Medicine Unit, Dr. Cipto Mangunkusumo General Hospital – Faculty of Medicine Universitas Indonesia, Diponegoro 71, Jakarta, 10430 Indonesia
| | - Widyaningsih Widyaningsih
- Clinical Epidemiology and Evidence-Based Medicine Unit, Dr. Cipto Mangunkusumo General Hospital – Faculty of Medicine Universitas Indonesia, Diponegoro 71, Jakarta, 10430 Indonesia
| | - Christopher B. Del Mar
- Institute for Evidence-Based Healthcare, Bond University, 14 University Drive, Robina, QLD 4226 Australia
| | - Elaine M. Beller
- Institute for Evidence-Based Healthcare, Bond University, 14 University Drive, Robina, QLD 4226 Australia
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Abstract
PURPOSE OF REVIEW We aimed to summarize the most current evidence on the main aspects of the diarrheal diseases in children. The following key elements were addressed: definitions, etiology, pathogenesis, diagnosis, dietary management, pharmacological treatments, and prevention. We covered the following questions: What are the most important clinical and laboratory features of the disease? What are the best approaches for the dietary management? What is the best way to classify the hydration status, and to prevent and treat the dehydration? What are the most effective and safe interventions for reducing the diarrhea and vomiting? RECENT FINDINGS Diarrheal diseases are one of the most common diseases in childhood. The most common cause is rotavirus. A key element in the approach of a child with diarrhea is determining their hydration status, which determines the fluid management. Laboratory tests are nor routinely required, as most of the cases, they do not affect the management and it should be indicated only in selected cases. Several treatments have been studied to reduce the duration of the diarrhea. Only symbiotics and zinc have shown to be effective and safe with high certainty on the evidence. Rest of the interventions although seem to be effective have low to very low quality of the evidence. The only effective and safe antiemetic for controlling vomiting is ondansetron. A list of antimicrobials indications according to the identified microorganisms is provided. We summarized the most current evidence on diagnosis, management, and prevention of diarrhea in children. More research is needed in some areas such as dehydration scales, rehydration management, antidiarrheals, and antibiotic treatments.
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13
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Evaluation of Anatomically Designed Flocked Rectal Swabs for Use with the BioFire FilmArray Gastrointestinal Panel for Detection of Enteric Pathogens in Children Admitted to Hospital with Severe Gastroenteritis. J Clin Microbiol 2019; 57:JCM.00962-19. [PMID: 31511336 DOI: 10.1128/jcm.00962-19] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/10/2019] [Indexed: 12/31/2022] Open
Abstract
Diagnosing diarrheal disease is difficult in part due to challenges in obtaining and transporting a bulk stool specimen, particularly in resource-limited settings. We compared the performance of flocked rectal swabs to that of traditional bulk stool samples for enteric pathogen detection using the BioFire FilmArray gastrointestinal panel in children admitted to four hospitals in Botswana with community onset severe gastroenteritis. Of the 117-matched flocked rectal swab/stool pairs, we found no significant difference in pathogen detection rates between the flocked rectal swab samples and traditional bulk stool sampling methods for any bacterial (168 versus 167, respectively), viral (94 versus 92, respectively), or protozoan (18 versus 18, respectively) targets. The combination of flocked rectal swab samples with FilmArray testing allows for the rapid diagnosis of infectious gastroenteritis, facilitating a test-and-treat approach for infections that are life-threatening in many resource-limited settings. The culture recovery rates for bacterial pathogens utilizing this approach need to be assessed.
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14
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Pernica JM, Steenhoff AP, Mokomane M, Moorad B, Lechiile K, Smieja M, Mazhani L, Cheng J, Kelly MS, Loeb M, Stordal K, Goldfarb DM. Correction: Rapid enteric testing to permit targeted antimicrobial therapy, with and without Lactobacillus reuteri probiotics, for paediatric acute diarrhoeal disease in Botswana: A pilot, randomized, factorial, controlled trial. PLoS One 2018; 13:e0194957. [PMID: 29561910 PMCID: PMC5862480 DOI: 10.1371/journal.pone.0194957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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15
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Pavlinac PB, Brander RL, Atlas HE, John-Stewart GC, Denno DM, Walson JL. Interventions to reduce post-acute consequences of diarrheal disease in children: a systematic review. BMC Public Health 2018; 18:208. [PMID: 29391004 PMCID: PMC5796301 DOI: 10.1186/s12889-018-5092-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/17/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Although acute diarrhea often leads to acute dehydration and electrolyte imbalance, children with diarrhea also suffer long term morbidity, including recurrent or prolonged diarrhea, loss of weight, and linear growth faltering. They are also at increased risk of post-acute mortality. The objective of this systematic review was to identify interventions that address these longer term consequences of diarrhea. METHODS We searched Medline for randomized controlled trials (RCTs) of interventions conducted in low- and middle-income countries, published between 1980 and 2016 that included children under 15 years of age with diarrhea and follow-up of at least 7 days. Effect measures were summarized by intervention. PRISMA guidelines were followed. RESULTS Among 314 otherwise eligible RCTs, 65% were excluded because follow-up did not extend beyond 7 days. Forty-six trials were included, the majority of which (59%) were conducted in Southeast Asia (41% in Bangladesh alone). Most studies were small, 76% included less than 200 participants. Interventions included: therapeutic zinc alone (28.3%) or in combination with vitamin A (4.3%), high protein diets (19.6%), probiotics (10.9%), lactose free diets (10.9%), oral rehydration solution (ORS) formulations (8.7%), dietary supplements (6.5%), other dietary interventions (6.5%), and antimicrobials (4.3%). Prolonged or recurrent diarrhea was the most commonly reported outcome, and was assessed in ORS, probiotic, vitamin A, and zinc trials with no consistent benefit observed. Seven trials evaluated mortality, with follow-up times ranging from 8 days to 2 years. Only a single trial found a mortality benefit (therapeutic zinc). There were mixed results for dietary interventions affecting growth and diarrhea outcomes in the post-acute period. CONCLUSION Despite the significant post-acute mortality and morbidity associated with diarrheal episodes, there is sparse evidence evaluating the effects of interventions to decrease these sequelae. Adequately powered trials with extended follow-up are needed to identify effective interventions to prevent post-acute diarrhea outcomes.
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Affiliation(s)
| | | | - Hannah E. Atlas
- Department of Global Health, University of Washington, Seattle, WA USA
| | - Grace C. John-Stewart
- Department of Global Health, University of Washington, Seattle, WA USA
- Department of Epidemiology, University of Washington, Seattle, WA USA
- Department of Pediatrics, University of Washington, Seattle, WA USA
- Department of Medicine (Infectious Disease), University of Washington, Seattle, WA USA
| | - Donna M. Denno
- Department of Global Health, University of Washington, Seattle, WA USA
- Department of Pediatrics, University of Washington, Seattle, WA USA
- Department of Health Services, University of Washington, Seattle, WA USA
| | - Judd L. Walson
- Department of Global Health, University of Washington, Seattle, WA USA
- Department of Epidemiology, University of Washington, Seattle, WA USA
- Department of Pediatrics, University of Washington, Seattle, WA USA
- Department of Medicine (Infectious Disease), University of Washington, Seattle, WA USA
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Mokomane M, Kasvosve I, de Melo E, Pernica JM, Goldfarb DM. The global problem of childhood diarrhoeal diseases: emerging strategies in prevention and management. Ther Adv Infect Dis 2018; 5:29-43. [PMID: 29344358 PMCID: PMC5761924 DOI: 10.1177/2049936117744429] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Acute diarrhoeal diseases remain a leading cause of global morbidity and mortality particularly among young children in resource-limited countries. Recent large studies utilizing case-control design, prospective sampling and more sensitive and broad diagnostic techniques have shed light on particular pathogens of importance and highlighted the previously under recognized impact of these infections on post-acute illness mortality and growth. Vaccination, particularly against rotavirus, has emerged as a key effective means of preventing significant morbidity and mortality from childhood diarrhoeal disease. Other candidate vaccines against leading diarrhoeal pathogens, such as enterotoxigenic Escherichia coli and Shigella spp., also hold significant promise in further ameliorating the burden of enteric infections in children. Large studies are also currently underway evaluating novel and potential easy-to-implement water, sanitation and hygiene (WASH) preventive strategies. Given the ongoing global burden of this illness, the paucity of new advances in case management over the last several decades remains a challenge. The increasing recognition of post-acute illness mortality and growth impairment has highlighted the need for interventions that go beyond management of dehydration and electrolyte disturbances. The few trials of novel promising interventions such as probiotics have mainly been conducted in high-income settings. Trials of antimicrobials have also been primarily conducted in high-income settings or in travellers from high-income settings. Bloody diarrhoea has been shown to be a poor marker of potentially treatable bacterial enteritis, and rising antimicrobial resistance has also made empiric antimicrobial therapy more challenging in many settings. Novel effective and sustainable interventions and diagnostic strategies are clearly needed to help improve case management. Diarrhoeal disease and other enteric infections remain an unmet challenge in global child health. Most promising recent developments have been focused around preventive measures, in particular vaccination. Further advances in prevention and case management including the possible use of targeted antimicrobial treatment are also required to fully address this critical burden on child health and human potential.
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Affiliation(s)
- Margaret Mokomane
- Department of Medical Laboratory Science, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana; Botswana National Health Laboratory, Ministry of Health, Gaborone, Botswana
| | - Ishmael Kasvosve
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
| | - Emilia de Melo
- Department of Pediatrics, McMaster University, Hamilton, ON, Canada
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