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1.
Ann Med ; 56(1): 2355581, 2024 Dec.
Article En | MEDLINE | ID: mdl-38823421

INTRODUCTION: The administration of proton pump inhibitors (PPIs) is anticipated to elevate an individual's susceptibility to enteric infections as a result of altering the gut flora. The influence of PPIs on the clinical manifestation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is still uncertain. This study aims to investigate the impact of PPI usage on the clinical manifestation of COVID-19, namely its gastrointestinal symptoms. METHODS: This is a cross-sectional cohort study involving COVID-19 patients. Patients were interviewed using a predesigned questionnaire that asked about their demographics, clinical manifestations of COVID-19 infection, and the extent and type of PPIs in use. PPI usage was confirmed by reviewing patients' electronic medical records. The primary outcome was to establish any association between the use of PPI and the symptoms and clinical presentation of COVID-19. RESULTS: Out of a total of 254 participants, 69 (27.2%) were considered PPI users. Patients who were on PPI medications reported a significantly lower rate of myalgia (27.5% vs 51.9%; p = 0.0006) and heartburn (5.7% vs 15.6%; p = 0.03) but had a significantly higher rate of abdominal pain (27.5% vs 13.5%; p = 0.001) and diarrhoea (28.9% vs 14.5%, p = 0.02) when compared to those who were not using PPIs. Patients on PPIs were also shown to have significantly higher odds of developing diarrhoea (OR 2.0, 95% CI: 1.08 to 3.93, p = 0.02) and abdominal pain (OR 2.0, 95% CI: 1.22 to 3.93, p = 0.03), but a lower risk of developing myalgia (OR 0.5, 95% CI: 0.3 to 0.9, p = 0.02) when compared to non-PPI users. CONCLUSION: This study shows that the use of PPIs could impact COVID-19 clinical presentation toward more gastrointestinal manifestations. Further studies investigating the link between other acid suppression medications and COVID-19 manifestations and severity should be carried out.


COVID-19 , Gastrointestinal Diseases , Proton Pump Inhibitors , SARS-CoV-2 , Humans , Proton Pump Inhibitors/adverse effects , Proton Pump Inhibitors/therapeutic use , Male , Female , Cross-Sectional Studies , COVID-19/epidemiology , COVID-19/complications , Middle Aged , Adult , Gastrointestinal Diseases/chemically induced , Gastrointestinal Diseases/epidemiology , Aged , Abdominal Pain/chemically induced , Abdominal Pain/etiology , Heartburn/chemically induced , Myalgia/chemically induced , Myalgia/epidemiology , Diarrhea/chemically induced , Diarrhea/epidemiology , Diarrhea/virology
2.
J Vet Sci ; 25(3): e38, 2024 May.
Article En | MEDLINE | ID: mdl-38834508

IMPORTANCE: Deaths due to neonatal calf diarrhea are still one of the most critical problems of cattle breeding worldwide. Determining the parameters that can predict diarrhea-related deaths in calves is especially important in terms of prognosis and treatment strategies for the disease. OBJECTIVE: The primary purpose of this study was to determine mortality rates and durations, survival status, and predictive prognosis parameters based on vital signs, hematology, and blood gas analyses in neonatal diarrheic calves. METHODS: The hospital automation system retrospectively obtained data from 89 neonatal diarrheic calves. RESULTS: It was found that 42.7% (38/89) of the calves brought with the complaint of diarrhea died during hospitalization or after discharge. Short-term and long-term fatalities were a median of 9.25 hours and a median of 51.50 hours, respectively. When the data obtained from this study is evaluated, body temperature (°C), pH, base excess (mmol/L), and sodium bicarbonate (mmol/L) parameters were found to be lower, and hemoglobin (g/dL), hematocrit (%), lactate (mmol/L), chloride (mmol/L), sodium (mmol/L) and anion gap (mmol/L) parameters were found to be higher in dead calves compared to survivors. Accordingly, hypothermia, metabolic acidosis, and dehydration findings were seen as clinical conditions that should be considered. Logistic regression analysis showed that lactate (odds ratio, 1.429) and CI- (odds ratio, 1.232) concentration were significant risk factors associated with death in calves with diarrhea. CONCLUSIONS AND RELEVANCE: According to the findings obtained from this study, the determination of lactate and Cl- levels can be used as an adjunctive supplementary test in distinguishing calves with diarrhea with a good prognosis.


Animals, Newborn , Cattle Diseases , Chlorides , Diarrhea , Lactic Acid , Animals , Cattle , Diarrhea/veterinary , Diarrhea/mortality , Cattle Diseases/mortality , Cattle Diseases/blood , Cattle Diseases/diagnosis , Retrospective Studies , Lactic Acid/blood , Prognosis , Chlorides/blood , Female , Male
3.
Anim Sci J ; 95(1): e13964, 2024.
Article En | MEDLINE | ID: mdl-38831612

This study evaluated the effects of supplementation with Antrodia cinnamomea mycelium by-product (ACBP) on growth performance and immune response in weaning piglets. Total available content and antioxidant capacity of ACBP were determined. Ninety-six black pigs were randomly distributed to 24 pens. Study compared four groups which were supplemented with ACBP at 0%, 2.5%, 5%, or 10% for 6 weeks after weaning at 4 weeks. Results showed that ACBP on total phenolic, total flavonoid, and total triterpenoids contents were 13.68 mg GAE/g DW, 1.67 µg QE/g DW, and 15.6 mg/g, respectively. Weaning piglets fed 2.5% ACBP showed a significant decreased body weight gain compared with those supplemented with 5% ACBP, 10% ACBP, and control groups. Results showed that all ACBP groups increased the villi height of jejunum significantly. Incidence of diarrhea in 11 weeks with supplementation with 5% and 10% ACBP diets were lower than in control group. The 10% ACBP group showed significantly lower expression of immune response genes (IL-1ß, IL-6, IL-8, TNF-α, and IFN-γ) than the 2.5% and 5% ACBP groups. Based on results, dietary supplementation with 10% ACBP did not significantly affect body weight but could decrease piglet diarrhea condition and expression of IL-1ß and IL-6 genes.


Animal Feed , Antioxidants , Diet , Dietary Supplements , Mycelium , Weaning , Weight Gain , Animals , Swine/growth & development , Swine/immunology , Weight Gain/drug effects , Diet/veterinary , Antioxidants/metabolism , Diarrhea/veterinary , Triterpenes/pharmacology , Triterpenes/administration & dosage , Gene Expression/drug effects , Cytokines/metabolism , Jejunum/metabolism , Phenols/analysis , Animal Nutritional Physiological Phenomena , Swine Diseases/microbiology , Swine Diseases/prevention & control , Swine Diseases/immunology , Polyporales/chemistry
4.
Sci Rep ; 14(1): 13072, 2024 06 06.
Article En | MEDLINE | ID: mdl-38844604

Neonatal diarrhea presents a significant global challenge due to its multifactorial etiology, resulting in high morbidity and mortality rates, and substantial economic losses. While molecular-level studies on genetic resilience/susceptibility to neonatal diarrhea in farm animals are scarce, prior observations indicate promising research directions. Thus, the present study utilizes two genome-wide association approaches, pKWmEB and MLM, to explore potential links between genetic variations in innate immunity and neonatal diarrhea in Karacabey Merino lambs. Analyzing 707 lambs, including 180 cases and 527 controls, revealed an overall prevalence rate of 25.5%. The pKWmEB analysis identified 13 significant SNPs exceeding the threshold of ≥ LOD 3. Moreover, MLM detected one SNP (s61781.1) in the SLC22A8 gene (p-value, 1.85eE-7), which was co-detected by both methods. A McNemar's test was conducted as the final assessment to identify whether there are any major effective markers among the detected SNPs. Results indicate that four markers-oar3_OAR1_122352257, OAR17_77709936.1, oar3_OAR18_17278638, and s61781.1-have a substantial impact on neonatal diarrhea prevalence (odds ratio: 2.03 to 3.10; statistical power: 0.88 to 0.99). Therefore, we propose the annotated genes harboring three of the associated markers, TIAM1, YDJC, and SLC22A8, as candidate major genes for selective breeding against neonatal diarrhea.


Animals, Newborn , Diarrhea , Genetic Predisposition to Disease , Genome-Wide Association Study , Polymorphism, Single Nucleotide , Animals , Diarrhea/genetics , Diarrhea/veterinary , Sheep , Sheep Diseases/genetics
5.
Front Public Health ; 12: 1369872, 2024.
Article En | MEDLINE | ID: mdl-38835606

Objective: The purpose of this study was to evaluate the spatio-temporal pattern of Ethiopia's childhood diarrheal disease and identify its contributing factors. Methods: We conducted analyses on secondary data from four Ethiopian Demographic and Health Surveys conducted between 2000 and 2016. Moran's I was used to determine spatial dependence and spatial models were used to evaluate variables associated with diarrhea in under-five children at the zonal level. Results: Childhood diarrhea showed spatial clustering in Ethiopia (Moran's I; p < 0.05). The spatial regression model revealed significant factors at the zonal level: children born at home (eθ = 1.355, 95% CI: 1.052-1.544, p < 0.001), low birth weight (eθ = 1.18, 95% CI: 1.017-1.691, p < 0.05), and unimproved source of water (eθ = 0.8568, 95% CI: 0.671-1.086, p < 0.01). Conclusion: The prevalence of diarrhea among under-five children varied over time by zone, with the Assosa, Hundene, and Dire Diwa zones having the highest rates. Home births and low birth weight contributed to the prevalence of childhood diarrhea. In high-risk zones of Ethiopia, reducing childhood diarrhea requires integrated child health interventions and raising awareness about the potential hazards associated with unimproved water sources.


Diarrhea , Humans , Ethiopia/epidemiology , Diarrhea/epidemiology , Child, Preschool , Female , Infant , Male , Prevalence , Risk Factors , Spatio-Temporal Analysis , Infant, Newborn , Health Surveys
6.
Arch. argent. pediatr ; 122(3): e202310167, jun. 2024. ilus, tab
Article En, Es | LILACS, BINACIS | ID: biblio-1555016

La clorhidrorrea congénita es un trastorno genético infrecuente pero importante caracterizado por una alteración grave del balance hidroelectrolítico como resultado de un defecto en la absorción intestinal de cloruros. Los niños afectados presentan diarrea persistente, deshidratación y malnutrición; el control médico y del desarrollo son complejos. Mejorar la detección prenatal es esencial para facilitar la atención del paciente, las intervenciones tempranas y el asesoramiento genético informado. Sin embargo, a pesar de los avances de la medicina, la naturaleza compleja y la escasa frecuencia de esta entidad, constituyen un desafío para la detección prenatal. En este estudio, se reporta el caso de una embarazada donde los estudios por imágenes de resonancia magnética fetales identificaron en forma efectiva las características típicas de la clorhidrorrea congénita. Se proveen conocimientos sobre las complejidades del diagnóstico y se sugieren caminos para las estrategias de detección temprana de esta enfermedad.


Congenital chloride diarrhea (CCD) is a rare but significant genetic disorder characterized by severe electrolyte imbalances resulting from impaired intestinal chloride absorption. Affected children experience persistent diarrhea, dehydration, and malnutrition, complicating medical and developmental care. The enhancement of prenatal detection is crucial for improved patient management, early interventions, and informed genetic counseling. However, despite advancements in medicine, the complex nature and rarity of CCD make prenatal detection challenging. In this study, we report a fetal case where prenatal magnetic resonance imaging (MRI) effectively identified the distinctive characteristics of CCD, providing insights into the complexities of diagnosis and suggesting avenues for enhanced early detection strategies.


Humans , Female , Pregnancy , Prenatal Diagnosis/methods , Diarrhea/congenital , Metabolism, Inborn Errors/diagnosis , Metabolism, Inborn Errors/genetics , Diarrhea/etiology , Genetic Counseling
7.
Trop Anim Health Prod ; 56(4): 160, 2024 May 10.
Article En | MEDLINE | ID: mdl-38730050

The rearing of calves is an essential activity of a dairy system, as it impacts the future production of these animals. This study aims to evaluate the incidence of diarrhea, performance, and blood parameters of suckling calves that received mineral-vitamin supplementation in milk plus virginiamycin that was offered in milk (via the abomasum) or by esophageal tube (via the rumen). Twenty-seven calves were used, from the first week to 60 days of age, submitted to the following treatments: CONTROL, without supplementation; MILK, supplementation of 20 g of a mineral-vitamin complex with 100 mg of virginiamycin, diluted in milk; RUMEN, supplementation of 20 g of a mineral-vitamin complex diluted in milk and 100 mg of virginiamycin in gelatin capsules via an esophageal applicator. MILK and RUMEN calves had lower fecal consistency scoring, fewer days with scores 2 and 3 throughout the experimental period, and lower spending on medication compared to the CONTROL animals. Supplemented calves had higher fat and protein intake and reached feed intake of 600 g earlier than CONTROL animals, but did not differ in performance and hematological parameters. Supplementation with virginiamycin and vitamin-mineral complex for suckling calves reduced the incidence and days of diarrhea, and reduced medication costs, with no difference in performance, but the supplemented animals had higher initial protein and fat intake and reached targeted feed intake earlier to begin the weaning process.


Animal Feed , Cattle Diseases , Diarrhea , Dietary Supplements , Virginiamycin , Animals , Cattle , Dietary Supplements/analysis , Diarrhea/veterinary , Diarrhea/prevention & control , Diarrhea/epidemiology , Cattle Diseases/epidemiology , Cattle Diseases/prevention & control , Incidence , Animal Feed/analysis , Virginiamycin/administration & dosage , Virginiamycin/pharmacology , Vitamins/administration & dosage , Animals, Suckling , Male , Female , Minerals/administration & dosage , Minerals/analysis , Milk/chemistry , Diet/veterinary
8.
J Med Virol ; 96(5): e29650, 2024 May.
Article En | MEDLINE | ID: mdl-38727133

To analyze the epidemiological characteristics of group A rotavirus (RVA) diarrhea in Beijing between 2019 and 2022 and evaluate the effectiveness of the RV5 vaccine. Stool specimens were collected from patients with acute diarrhea, and RVA was detected and genotyped. The whole genome of RVA was sequenced by fragment amplification and Sanger sequencing. Phylogenetic trees were constructed using Bayesian and maximum likelihood methods. Descriptive epidemiological methods were used to analyze the characteristics of RVA diarrhea. Test-negative design was used to evaluate the vaccine effectiveness (VE) of the RV5. Compared with 2011-2018, RVA-positive rates in patients with acute diarrhea under 5 years of age and adults decreased significantly between 2019 and 2022, to 9.45% (249/634) and 3.66% (220/6016), respectively. The predominant genotype of RVA had changed from G9-VIP[8]-III between 2019 and 2021 to G8-VP[8]-III in 2022, and P[8] sequences from G8-VP[8]-III strains formed a new branch called P[8]-IIIb. The complete genotype of G8-VP[8]-III was G8-P[8]-I2-R2-C2-M2-A2-N2-T2-E2-H2. The VE of 3 doses of RV5 was 90.4% (95% CI: 28.8%-98.7%) against RVA diarrhea. The prevalence of RVA decreased in Beijing between 2019 and 2022, and the predominant genotype changed to G8P[8], which may be related to RV5 vaccination. Continuous surveillance is necessary to evaluate vaccine effectiveness and improve vaccine design.


Diarrhea , Feces , Genotype , Phylogeny , Rotavirus Infections , Rotavirus Vaccines , Rotavirus , Humans , Rotavirus/genetics , Rotavirus/classification , Rotavirus/immunology , Rotavirus/isolation & purification , Rotavirus Infections/epidemiology , Rotavirus Infections/virology , Rotavirus Infections/prevention & control , Diarrhea/virology , Diarrhea/epidemiology , Rotavirus Vaccines/administration & dosage , Rotavirus Vaccines/immunology , Child, Preschool , Prevalence , Beijing/epidemiology , Male , Infant , Female , Adult , Feces/virology , Middle Aged , Child , Young Adult , Adolescent , Vaccine Efficacy , Aged , Genome, Viral , Infant, Newborn
9.
Sci Rep ; 14(1): 10647, 2024 05 09.
Article En | MEDLINE | ID: mdl-38724510

This study aimed to evaluate the safety of Moringa by comparing the effects of different gavage doses of Moringa. The general behavior, body weight, food intake, blood indexes, serum biochemical indexes, and histopathology of rats were used to determine the safety threshold and to provide a reference for the further development and use of Moringa as animal feed. 40 Sprague Dawley rats were selected and given transoral gavage for 28 consecutive days. The T1, T2 and T3 groups were observed for general behavior, body weight, and food intake. Blood and serum biochemical indices were quantified, and histopathology was performed to evaluate the effect and safety of Moringa. The results of the toxicological test showed that (1) Only T1 groups experienced diarrhea. (2) The body weight and food intake of rats in each group were normal compared with the control group. (3) The hematological and serum biochemical indices of rats in the T1 group were significantly different from those of CK but were in the normal range; (4) The results of microscopic examination of the heart, liver, spleen, lung, and kidney of rats in each group were normal, but inflammation occurred in stomach and jejunum of rats in the T1 group, but not in the ileum. The gastrointestinal tract of rats in the T2 and T3 groups were normal. (5) No abnormal death occurred in any of the treatment groups.The results of this study revealed that gavage of Moringa homogenate at a dose of 6 g/kg BW can cause diarrhea in rats. Although there is no pathological effect on weight, food intake, blood and serum biochemical indicators in rats, there are pathological textures in the gastrointestinal tissue caused by diarrhea. Therefore, the safety threshold of Moringa homogenate should be ≤ 3 g/kg BW.


Body Weight , Moringa oleifera , Rats, Sprague-Dawley , Animals , Moringa oleifera/chemistry , Rats , Male , Body Weight/drug effects , Eating/drug effects , Female , Animal Feed/analysis , Diarrhea/chemically induced , Diarrhea/veterinary
10.
BMC Microbiol ; 24(1): 160, 2024 May 09.
Article En | MEDLINE | ID: mdl-38724904

BACKGROUND: Antibiotic-associated diarrhea (AAD) refers to symptoms of diarrhea that cannot be explained by other causes after the use of antibiotics. AAD is thought to be caused by a disruption of intestinal ecology due to antibiotics. Fecal Microbiota Transplantation (FMT) is a treatment method that involves transferring microbial communities from the feces of healthy individuals into the patient's gut. METHOD: We selected 23 AAD patients who received FMT treatment in our department. Before FMT, we documented patients' bowel movement frequency, abdominal symptoms, routine blood tests, and inflammatory markers, and collected fecal samples for 16S rRNA sequencing to observe changes in the intestinal microbiota. Patients' treatment outcomes were followed up 1 month and 3 months after FMT. RESULTS: Out of the 23 AAD patients, 19 showed a clinical response to FMT with alleviation of abdominal symptoms. Among them, 82.61% (19/23) experienced relief from diarrhea, 65% (13/20) from abdominal pain, 77.78% (14/18) from abdominal distension, and 57.14% (4/7) from bloody stools within 1 month after FMT. Inflammatory markers IL-8 and CRP significantly decreased after FMT, but there were no noticeable changes in WBC, IL-6, and TNF-α before and after transplantation. After FMT, the abundance of Bacteroides and Faecalibacterium increased in patients' fecal samples, while the abundance of Escherichia-Shigella and Veillonella decreased. CONCLUSION: FMT has a certain therapeutic effect on AAD, and can alleviate abdominal symptoms and change the intestinal microbiota of patients.


Anti-Bacterial Agents , Diarrhea , Fecal Microbiota Transplantation , Feces , Gastrointestinal Microbiome , RNA, Ribosomal, 16S , Humans , Diarrhea/microbiology , Diarrhea/therapy , Fecal Microbiota Transplantation/methods , Female , Male , Middle Aged , Anti-Bacterial Agents/adverse effects , Feces/microbiology , Adult , RNA, Ribosomal, 16S/genetics , Aged , Treatment Outcome , Bacteria/classification , Bacteria/isolation & purification , Bacteria/genetics
11.
BMC Infect Dis ; 24(1): 453, 2024 May 09.
Article En | MEDLINE | ID: mdl-38724924

BACKGROUND: Diarrhea poses a significant threat to the lives of children in The Gambia, accounting for approximately 9% of all deaths among children under the age of five. Addressing and reducing child mortality from diarrhea diseases is crucial for achieving the Sustainable Development Goal (SDG) 3, specifically target 3.2, which aims to eliminate preventable deaths in newborns and children under the age of five by 2030. Thus, this research aims to assess the prevalence and contextual factors associated with diarrhea among under-five children in The Gambia. METHODS: This research employed secondary data from the 2019/20 Gambia Demographic Health Survey (GDHS). The study initially involved 8,362 women aged between 15 and 49 years. Of these, 6,929 women with children under five were included in this analysis. Data were analyzed using STATA with cross-tabulation and model fitting. Multilevel logistic regression was applied to accommodate the hierarchical structure of the demographic health survey data. The model comparison parameters were BIC, AIC, deviance, and LLR. Variables with a p-value less than 0.05 were selected for multivariable analysis. The statistical significance of the factors was determined using an adjusted odds ratio with a 95% confidence interval (CI) and a p-value of less than 0.05. RESULTS: The prevalence of diarrhea in under-five children was 53.2% in males and 46.8% in females. In the final model, Kerewan (aOR = 0.58; 95% CI = 0.33-0.98) and Basse (aOR = 0.59; 95% CI = 0.35-0.98) have significantly lower odds of childhood diarrhea compared to Banjul, female children show slightly lower, yet significant, odds of diarrhea compared to males (aOR = 0.96; 95% CI = 0.86-0.98), deliveries at government health centers are associated with higher odds of childhood diarrhea compared to home births (aOR = 1.24; 95% CI = 1.01-1.52). Mothers with post-secondary education had significantly lower odds of having children with diarrhea than those without any education (aOR = 0.50; 95% CI = 0.26-0.99) after controlling for confounders. CONCLUSION: The study findings indicate that several factors significantly impact the risk of childhood diarrhea in The Gambia. These factors include region of residence, sex of the child, place of delivery, and education level of the mother. The study suggests that existing interventions aimed at improving child health outcomes in the country should take into consideration these influential factors. Addressing these modifiable factors can enhance the effectiveness of interventions and promote better health outcomes for children in Gambia.


Diarrhea , Humans , Gambia/epidemiology , Female , Diarrhea/epidemiology , Adolescent , Infant , Child, Preschool , Male , Adult , Young Adult , Prevalence , Middle Aged , Infant, Newborn , Health Surveys , Risk Factors , Multilevel Analysis
12.
Medicine (Baltimore) ; 103(19): e38113, 2024 May 10.
Article En | MEDLINE | ID: mdl-38728495

To explore the potential mechanism in Cuscuta sinensis on diarrhea-type irritable bowel syndrome using network pharmacology and molecular docking techniques. First, the active components and related targets of Cuscuta were found setting oral utilization >30% and drug-like properties greater than or equal to 0.18 as filter information from TCMSP database. The targets of diarrheal irritable bowel syndrome were compiled by searching DrugBank, GeneCards, OMIM, PharmGkb, and TTD databases. The intersections of drugs and targets related to the disease were taken for gene ontology enrichment and Kyoto encyclopedia of genes and genomes enrichment analyses, to elucidate the potential molecular mechanisms and pathway information of Cuscuta sinensis for the treatment of diarrheal irritable bowel syndrome. The protein-protein interaction network was constructed by using the STRING database and visualized with Cytoscape_v3.10.0 software to find the protein-protein interaction network core At last, molecular docking was performed to validate the combination of active compounds with the core target. The target information of Cuscuta and diarrhea-type irritable bowel syndrome was compiled, which can be resulted in 11 active compounds such as quercetin, kaempferol, isorhamnetin, ß-sitosterol, and another 17 core targets such as TP53, IL6, AKT1, IL1B, TNF, EGFR, etc, whose Kyoto encyclopedia of genes and genomes was enriched in the pathways of lipids and atherosclerosis, chemical carcinogenesis-receptor activation, PI3K-Akt signaling pathway, and fluid shear stress and atherosclerosis, etc. Docking demonstrated that the core targets and the active compounds were able to be better combined. Cuscuta chinensis may exert preventive effects on diarrhea-type irritable bowel syndrome by reducing intestinal inflammation, protecting intestinal mucosa, and playing an important role in antioxidant response through multi-targets and multi-pathways.


Cuscuta , Diarrhea , Irritable Bowel Syndrome , Molecular Docking Simulation , Network Pharmacology , Protein Interaction Maps , Irritable Bowel Syndrome/drug therapy , Humans , Diarrhea/drug therapy , Drugs, Chinese Herbal/pharmacology , Drugs, Chinese Herbal/therapeutic use
13.
NPJ Biofilms Microbiomes ; 10(1): 42, 2024 May 02.
Article En | MEDLINE | ID: mdl-38697985

Post-weaning diarrhoea (PWD) in piglets presents a widespread problem in industrial pig production and is often caused by enterotoxigenic E. coli (ETEC) strains. Current solutions, such as antibiotics and medicinal zinc oxide, are unsustainable and are increasingly being prohibited, resulting in a dire need for novel solutions. Thus, in this study, we propose and evaluate a protein-based feed additive, comprising two bivalent heavy chain variable domain (VHH) constructs (VHH-(GGGGS)3-VHH, BL1.2 and BL2.2) as an alternative solution to manage PWD. We demonstrate in vitro that these constructs bind to ETEC toxins and fimbriae, whilst they do no affect bacterial growth rate. Furthermore, in a pig study, we show that oral administration of these constructs after ETEC challenge reduced ETEC proliferation when compared to challenged control piglets (1-2 log10 units difference in gene copies and bacterial count/g faeces across day 2-7) and resulted in week 1 enrichment of three bacterial families (Prevotellaceae (estimate: 1.12 ± 0.25, q = 0.0054), Lactobacillaceae (estimate: 2.86 ± 0.52, q = 0.0012), and Ruminococcaceae (estimate: 0.66 ± 0.18, q = 0.049)) within the gut microbiota that appeared later in challenged control piglets, thus pointing to an earlier transition towards a more mature gut microbiota. These data suggest that such VHH constructs may find utility in industrial pig production as a feed additive for tackling ETEC and reducing the risk of PWD in piglet populations.


Diarrhea , Enterotoxigenic Escherichia coli , Escherichia coli Infections , Gastrointestinal Microbiome , Swine Diseases , Weaning , Animals , Swine , Diarrhea/microbiology , Diarrhea/prevention & control , Diarrhea/veterinary , Escherichia coli Infections/prevention & control , Escherichia coli Infections/microbiology , Escherichia coli Infections/veterinary , Swine Diseases/microbiology , Swine Diseases/prevention & control , Animal Feed , Feces/microbiology
14.
Parasit Vectors ; 17(1): 199, 2024 May 02.
Article En | MEDLINE | ID: mdl-38698452

BACKGROUND: Enteric parasitic infections remain a major public health problem globally. Cryptosporidium spp., Cyclospora spp. and Giardia spp. are parasites that cause diarrhea in the general populations of both developed and developing countries. Information from molecular genetic studies on the speciation of these parasites and on the role of animals as vectors in disease transmission is lacking in Ghana. This study therefore investigated these diarrhea-causing parasites in humans, domestic rats and wildlife animals in Ghana using molecular tools. METHODS: Fecal samples were collected from asymptomatic school children aged 9-12 years living around the Shai Hills Resource Reserve (tourist site), from wildlife (zebras, kobs, baboons, ostriches, bush rats and bush bucks) at the same site, from warthogs at the Mole National Park (tourist site) and from rats at the Madina Market (a popular vegetable market in Accra, Ghana. The 18S rRNA gene (18S rRNA) and 60-kDa glycoprotein gene (gp60) for Cryptosporidium spp., the glutamate dehydrogenase gene (gdh) for Giardia spp. and the 18S rDNA for Cyclospora spp. were analyzed in all samples by PCR and Sanger sequencing as markers of speciation and genetic diversity. RESULTS: The parasite species identified in the fecal samples collected from humans and animals included the Cryptosporidium species C. hominis, C. muris, C. parvum, C. tyzzeri, C. meleagridis and C. andersoni; the Cyclopora species C. cayetanensis; and the Gardia species, G. lamblia and G. muris. For Cryptosporidium, the presence of the gp60 gene confirmed the finding of C. parvum (41%, 35/85 samples) and C. hominis (29%, 27/85 samples) in animal samples. Cyclospora cayetanensis was found in animal samples for the first time in Ghana. Only one human sample (5%, 1/20) but the majority of animal samples (58%, 51/88) had all three parasite species in the samples tested. CONCLUSIONS: Based on these results of fecal sample testing for parasites, we conclude that animals and human share species of the three genera (Cryptosporidium, Cyclospora, Giardia), with the parasitic species mostly found in animals also found in human samples, and vice-versa. The presence of enteric parasites as mixed infections in asymptomatic humans and animal species indicates that they are reservoirs of infections. This is the first study to report the presence of C. cayetanensis and C. hominis in animals from Ghana. Our findings highlight the need for a detailed description of these parasites using high-throughput genetic tools to further understand these parasites and the neglected tropical diseases they cause in Ghana where such information is scanty.


Animals, Domestic , Animals, Wild , Cryptosporidiosis , Cryptosporidium , Cyclospora , Cyclosporiasis , Feces , Animals , Ghana/epidemiology , Cyclospora/genetics , Cyclospora/isolation & purification , Cyclospora/classification , Cryptosporidium/genetics , Cryptosporidium/isolation & purification , Cryptosporidium/classification , Feces/parasitology , Cyclosporiasis/epidemiology , Cyclosporiasis/parasitology , Cyclosporiasis/veterinary , Animals, Wild/parasitology , Cryptosporidiosis/parasitology , Cryptosporidiosis/epidemiology , Cryptosporidiosis/transmission , Humans , Child , Animals, Domestic/parasitology , Rats , DNA, Protozoan/genetics , RNA, Ribosomal, 18S/genetics , Giardiasis/veterinary , Giardiasis/parasitology , Giardiasis/epidemiology , Diarrhea/parasitology , Diarrhea/veterinary , Diarrhea/epidemiology , Phylogeny , Giardia/genetics , Giardia/isolation & purification , Giardia/classification
15.
PLoS One ; 19(5): e0303193, 2024.
Article En | MEDLINE | ID: mdl-38701083

BACKGROUND: Diarrhea is the second leading cause of under-five deaths claiming half a million children every year. Most of these deaths occurred in sub-Saharan Africa and South Asia. Oral rehydration solution (ORS) has been described as the most effective treatment of diarrhea. However, only 36% of children with diarrhea received ORS in sub-Saharan Africa. This study examined the factors associated with ORS use for children with diarrhea in the sub-region. METHODS: Demographic and Health Surveys (DHS) data sets of 31 countries in sub-Saharan Africa were used in this study. The data involved 30,102 under-five children with diarrhea. The multivariable analysis involved binary logistic regression. RESULTS: Prevalence of ORS use was 38% in sub-Saharan Africa with countries such as Namibia (71.8%), Zambia (66.4%) and Malawi (63.8%) having the highest rates. Use of ORS was most common among children whose mothers had secondary or higher education (45%), were exposed to media (41%) and attended antenatal care (41%). ORS use was significantly associated with secondary or higher education (OR = 1.63; 95%CI: [1.47-1.81]; p<0.001), exposure to media (OR = 1.17; 95%CI: [1.07-1.27]; p<0.001), antenatal care attendance (OR = 2.33; 95%CI: [1.08-1.27]; p<0.001), child's age (OR = 1.46; 95%CI: [1.35-1.59]; p<0.001), child's size at birth (OR = 1.08; 95%CI: [1.00-1.17]; p<0.05), household size (OR = 1.28; 95%CI:[1.06-1.54]; p<0.05) and source of drinking water (OR = 1.18; 95%CI: [1.09-1.29]; p<0.001). CONCLUSION: This study revealed a 38% prevalence of ORS use during diarrhea episodes in sub-Saharan Africa. This is low as it is less than the 44% recorded for developing countries as a whole. While this study emphasises the need for a further study on effects of severity of diarrhea on ORS use and factors determining differences in ORS use among countries, it also calls for interventions that will increase use of ORS is sub-Saharan Africa. Such interventions should include increase in literacy rate among girls and women, increase in the proportion of women with access to media, involvement of health workers in programmes that would promote antenatal care utilization among women at community level and provision of social amenities like pipe-borne water.


Diarrhea , Fluid Therapy , Rehydration Solutions , Humans , Female , Diarrhea/epidemiology , Diarrhea/therapy , Child, Preschool , Male , Infant , Africa South of the Sahara/epidemiology , Fluid Therapy/statistics & numerical data , Prevalence , Rehydration Solutions/therapeutic use , Adult , Adolescent , Infant, Newborn , Young Adult
16.
BMC Pediatr ; 24(1): 305, 2024 May 04.
Article En | MEDLINE | ID: mdl-38704545

INTRODUCTION: Congenital chloride diarrhoea (CCD) is an autosomal recessive condition that causes secretory diarrhoea and potentially deadly electrolyte imbalances in infants because of solute carrier family 26 member 3 (SLC26A3) gene mutations. CASE PRESENTATION: A 7-month-old Chinese infant with a history of maternal polyhydramnios presented with frequent watery diarrhoea, severe dehydration, hypokalaemia, hyponatraemia, failure to thrive, metabolic alkalosis, hyperreninaemia, and hyperaldosteronaemia. Genetic testing revealed a compound heterozygous SLC26A3 gene mutation in this patient (c.269_270dup and c.2006 C > A). Therapy was administered in the form of oral sodium and potassium chloride supplements, which decreased stool frequency. CONCLUSIONS: CCD should be considered when an infant presents with prolonged diarrhoea during infancy, particularly in the context of maternal polyhydramnios and dilated foetal bowel loops.


Diarrhea , Diarrhea/congenital , Metabolism, Inborn Errors , Mutation , Sulfate Transporters , Humans , Sulfate Transporters/genetics , Diarrhea/genetics , Infant , Metabolism, Inborn Errors/genetics , Metabolism, Inborn Errors/diagnosis , Chloride-Bicarbonate Antiporters/genetics , Female , Heterozygote , Male , Polyhydramnios/genetics , Potassium Chloride/therapeutic use , Potassium Chloride/administration & dosage , East Asian People
18.
BMC Pediatr ; 24(1): 311, 2024 May 06.
Article En | MEDLINE | ID: mdl-38711011

BACKGROUND: Diarrhea caused by Salmonella and Shigella species are the leading cause of illness especially in developing countries. These infections are considered as the main public health problems in children, including Ethiopia. This study aimed to assess the prevalence, associated factors, and antimicrobial susceptibility patterns of Salmonella and Shigella species in Sheik Hassan Yabere Referral Hospital Jigjiga, Eastern Ethiopia from August 05 to November 15, 2022. METHOD: A cross-sectional study was conducted among 239 under-five children with diarrhea selected through a convenient sampling technique. A structured questionnaire was used to collect associated factors. A stool sample was collected and processed for the identification of Salmonella and Shigella species using MacConkey adar, Xylose Lysine Deoxycholate agar (Oxoid Ltd) and Biochemical tests. The antimicrobial susceptibility pattern of isolates was performed using the Kirby-Bauer disc diffusion technique. The data was entered into Epi-data version 4.6 and exported to the statistical package of social science version 22 for analysis. The association between outcome and independent variables was assessed using bivariate, multivariable, and chi-square and P-value < 0.05 was considered as statistical significance. RESULT: Overall prevalence of Salmonella and Shigella species was 6.3% (95% CI, 5.7-6.9%), of which 3.8% (95 CI, 3.2-4.4%) were Salmonella species and 2.5% (95% CI, 1.95-3%) were Shigella species. Unimproved water source (AOR = 5.08, 95% CI = 1.45, 17.25), open field (AOR = 2.3, 95% CI = 1.3, 5.03), rural residence (AOR = 1.8, 95% CI = 1.4, 7.5), Hand-washing practice (p = 0.001), and raw meat consumption (p = 0.002) were associated with occurrence of Salmonella and Shigella species. Salmonella and Shigella isolates were resistant to Ampicilin (100%). However, Salmonella isolates was sensitive to Norfloxacin (100%). About 22.2% and 16.7% of Salmonella and Shigella isolates were multi-drug resistant, respectively. CONCLUSION: Prevalence of Salmonella and Shigella species were lower than most studies done in Ethiopia. Hand-washing habit, water source type, Open field waste disposal habit, raw meat consumption and rural residence were associated with Salmonellosis and shigellosis. All isolated Salmonella were sensitive to norfloxacin. The evidence from this study underscores the need for improved water, sanitation and hygiene (WASH) system and the imperative to implement drug susceptibility tests for the treatment of Salmonella and Shigella infection.


Diarrhea , Dysentery, Bacillary , Microbial Sensitivity Tests , Salmonella , Shigella , Humans , Ethiopia/epidemiology , Cross-Sectional Studies , Child, Preschool , Female , Salmonella/isolation & purification , Salmonella/drug effects , Male , Prevalence , Shigella/drug effects , Shigella/isolation & purification , Infant , Diarrhea/microbiology , Diarrhea/epidemiology , Dysentery, Bacillary/epidemiology , Dysentery, Bacillary/microbiology , Dysentery, Bacillary/drug therapy , Salmonella Infections/epidemiology , Salmonella Infections/microbiology , Salmonella Infections/drug therapy , Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/therapeutic use , Risk Factors , Feces/microbiology , Drug Resistance, Bacterial
19.
Front Cell Infect Microbiol ; 14: 1387126, 2024.
Article En | MEDLINE | ID: mdl-38736752

Introduction: We examined the gut microbiota of travellers returning from tropical areas with and without traveller's diarrhoea (TD) and its association with faecal lipocalin-2 (LCN2) levels. Methods: Participants were recruited at the Hospital Clinic of Barcelona, Spain, and a single stool sample was collected from each individual to perform the diagnostic of the etiological agent causing gastrointestinal symptoms as well as to measure levels of faecal LCN2 as a biomarker of gut inflammation. We also characterised the composition of the gut microbiota by sequencing the region V3-V4 from the 16S rRNA gene, and assessed its relation with the clinical presentation of TD and LCN2 levels using a combination of conventional statistical tests and unsupervised machine learning approaches. Results: Among 61 participants, 45 had TD, with 40% having identifiable etiological agents. Surprisingly, LCN2 levels were similar across groups, suggesting gut inflammation occurs without clinical TD symptoms. Differential abundance (DA) testing highlighted a microbial profile tied to high LCN2 levels, marked by increased Proteobacteria and Escherichia-Shigella, and decreased Firmicutes, notably Oscillospiraceae. UMAP analysis confirmed this profile's association, revealing distinct clusters based on LCN2 levels. The study underscores the discriminatory power of UMAP in capturing meaningful microbial patterns related to clinical variables. No relevant differences in the gut microbiota composition were found between travellers with or without TD. Discussion: The findings suggest a correlation between gut microbiome and LCN2 levels during travel, emphasising the need for further research to discern the nature of this relationship.


Diarrhea , Feces , Gastrointestinal Microbiome , Lipocalin-2 , RNA, Ribosomal, 16S , Humans , Lipocalin-2/metabolism , Feces/microbiology , Feces/chemistry , Male , Adult , Female , RNA, Ribosomal, 16S/genetics , Middle Aged , Diarrhea/microbiology , Spain , Travel , Biomarkers , Inflammation/microbiology , Young Adult , Bacteria/classification , Bacteria/genetics , Bacteria/isolation & purification
20.
BMJ Open ; 14(5): e082385, 2024 May 03.
Article En | MEDLINE | ID: mdl-38702080

OBJECTIVES: The aim of this study is a descriptive presentation of cases of acute watery diarrhoea (AWD) that were presented to Aleppo University Hospital (AUH) during the recent cholera outbreak in Syria. DESIGN: Prospective, observational, cohort study. SETTING AND PARTICIPANTS: A total of 1061 patients with AWD were admitted to AUH during the timeframe of 20 September 2022 to 20 October 2022. The data collection was done through a structured questionnaire. This includes comprehensive clinical observation, laboratory analyses, therapeutic interventions and holistic case evaluations. RESULTS: The analysis has revealed notable insights: a predominant proportion of patients (58.6%) were residents from urban areas and 40.3% were residents from rural areas. Intriguingly, a diverse range of potential infection sources emerged from patient data within our hospital, including uncontrolled well water, vegetables and faecal-oral transmission through contaminated street/fast food. At discharge, most patients were in good health (79.7%), followed by moderate health (17.6%) and poor health (2.3%), with a minimal percentage dying before discharge (0.4%). The most common complications reported at admission and during hospitalisation included electrolyte imbalance (28.2%), followed by severe dehydration (16.3%). In the follow-up period, the majority of patients exhibited good health (81.0%). Older patients (>60 years) had poorer outcomes, with 8.4% having poor health and 4.2% death rate. CONCLUSIONS: The study found results consistent with previous AWD outbreaks in developing countries like Yemen, Nigeria and Lebanon. Preventative measures like improving water sanitation and hygiene practices are essential to prevent future outbreaks and ease the strain on healthcare systems. Therefore, future studies must investigate the risk factors that increase the spread and the severity of the disease and investigate the best management method.


Cholera , Diarrhea , Disease Outbreaks , Humans , Cholera/epidemiology , Cholera/therapy , Male , Female , Adult , Prospective Studies , Syria/epidemiology , Adolescent , Diarrhea/epidemiology , Diarrhea/microbiology , Young Adult , Middle Aged , Child , Child, Preschool , Infant , Acute Disease , Aged
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