scholarly journals Emerging Role of Microbiome in the Prevention of Urinary Tract Infections in Children

2022 ◽  
Vol 23 (2) ◽  
pp. 870
Author(s):  
Anna Kawalec ◽  
Danuta Zwolińska
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Pediatric Population ◽  
Urologic Diseases ◽  
Increased Risk ◽  
Tract Infections ◽  
The Impact

The microbiome of the urinary tract plays a significant role in maintaining health through the impact on bladder homeostasis. Urobiome is of great importance in maintaining the urothelial integrity and preventing urinary tract infection (UTI), as well as promoting local immune function. Dysbiosis in this area has been linked to an increased risk of UTIs, nephrolithiasis, and dysfunction of the lower urinary tract. However, the number of studies in the pediatric population is limited, thus the characteristic of the urobiome in children, its role in a child’s health, and pediatric urologic diseases are not completely understood. This review aims to characterize the healthy urobiome in children, the role of dysbiosis in urinary tract infection, and to summarize the strategies to modification and reshape disease-prone microbiomes in pediatric patients with recurrent urinary tract infections.

scholarly journals Risk factors of the fungal urinary tract infections

2021 ◽  
pp. 178-184
Author(s):  
N. V. Sturov ◽  
S. V. Popov ◽  
I. Yu. Shmelkov
Keyword(s):  
Risk Factors ◽  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Fungal Infections ◽  
Antifungal Drugs ◽  
Main Role ◽  
Tract Infections

The role of fungi as causative agents of infections is growing. In in-patients, especially at intensive care units, fungal infections might cause serious problems. Studies conducted over recent years shows an increase of fungi detection in urine in in-patients from 5,01 up to 10,63%. Most often, the appearance of fungi in the urine connected with contamination or colonization of the urinary tract. However, in immunocompromised patients, this could be the part of urinary tract infection and even of disseminated fungal process. Candida is the most common cause of fungal urinary tract infections. At the same time, the presence of Candida in urine (candiduria) not always comes with clinical signs of urethritis, cystitis and pyelonephritis. Detection of noCandida albicans agents in urine is increasing, new Candida species revealed are resistant to antifungal drugs so risk of complications is increasing. Recent researches reveal new mechanisms of how Candida interacts with the bacteria that cause urinary infections. The main mechanisms of Candida virulence factors are dimorphism, adhesion proteins — Als1-7,9 and Gls, invasion enzymes — phospholipase, Als3 and Ssa1, as well as enzymes that neutralize reactive oxygen species. The most significant risk factors of fungal urinary tract infection are the presence of a urinary catheter, diabetes mellitus, immunosuppression and previous antibiotic intake. The study of the formation process of the cellular and immune response to Candida makes it possible to identify the main links in the pathogenesis of urinary tract candidiasis, as well as the main role of immunosuppression in the development of the disease.

scholarly journals Risk Indicators for Urinary Tract Infections in Low Risk Pregnancy and the Subsequent Risk of Preterm Birth

Antibiotics ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1055
Author(s):  
Dominique E. Werter ◽  
Brenda M. Kazemier ◽  
Caroline Schneeberger ◽  
Ben W. J. Mol ◽  
Christianne J. M. de Groot ◽  
...  
Keyword(s):  
Urinary Tract Infection ◽  
Preterm Birth ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Asymptomatic Bacteriuria ◽  
Risk Indicators ◽  
Recurrent Urinary Tract Infections ◽  
Increased Risk ◽  
Tract Infections

Symptomatic urinary tract infections are associated with preterm birth. However, data on risk indicators for urinary tract infections are limited and outdated. The research is a secondary analysis. The study was a prospective multicenter cohort study of low-risk pregnant women. Logistic regression was used to identify risk indicators for urinary tract infections. The incidence of urinary tract infections was 9.4%. Multivariate logistic regression showed that a history of recurrent urinary tract infections and the presence of asymptomatic bacteriuria in the present pregnancy were associated with urinary tract infections (resp. OR 3.14, 95%CI 1.40–7.02 and OR 1.96 95%CI 1.27–3.03). Women with a urinary tract infection were at increased risk of preterm birth compared to women without a urinary tract infection (12 vs. 5.1%; adjusted HR 2.5 95%CI 1.8–3.5). This increased risk was not found in women with the identified risk indicators (resp. 5.3% vs. 5.1%, adjusted HR 0.35 95%CI 0.00–420 and adjusted HR 1.5 95CI% 0.59–3.9). In conclusion, in low-risk pregnant women, risk indicators for urinary tract infections are: a history of recurrent urinary tract infections and the presence of asymptomatic bacteriuria. The risk of preterm birth is increased in women with a urinary tract infection in this pregnancy. However, women with recurrent urinary tract infections and asymptomatic bacteriuria this pregnancy appear not to be at increased risk of preterm birth.

scholarly journals Role of Enterococcus faecalisSurface Protein Esp in the Pathogenesis of Ascending Urinary Tract Infection

2001 ◽  
Vol 69 (7) ◽  
pp. 4366-4372 ◽  
Author(s):  
Nathan Shankar ◽  
C. Virginia Lockatell ◽  
Arto S. Baghdayan ◽  
C. Drachenberg ◽  
Michael S. Gilmore ◽  
...  
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Surface Protein ◽  
Histopathological Changes ◽  
Bladder Tissue ◽  
Urine Bladder ◽  
Tract Infections

ABSTRACT Enterococcus faecalis bacteria isolated from patients with bacteremia, endocarditis, and urinary tract infections more frequently express the surface protein Esp than do fecal isolates. To assess the role of Esp in colonization and persistence of E. faecalis in an animal model of ascending urinary tract infection, we compared an Esp+strain of E. faecalis to its isogenic Esp-deficient mutant. Groups of CBA/J mice were challenged transurethrally with 108 CFU of either the parent or mutant strain, and bacteria in the urine, bladder, and kidneys were enumerated 5 days postinfection. Significantly higher numbers of bacteria were recovered from the bladder and urine of mice challenged with the parent strain than from the bladder and urine of mice challenged with the mutant. Colonization of the kidney, however, was not significantly different between the parent and mutant strains. Histopathological evaluations of kidney and bladder tissue done at 5 days postinfection did not show marked histopathological changes consistent with inflammation, mucosal hyperplasia, or apoptosis, and there was no observable difference between the mice challenged with the parent and those challenged with the mutant. We conclude that, while Esp does not influence histopathological changes associated with acute urinary tract infections, it contributes to colonization and persistence of E. faecalis at this site.

Detection of tox A gene in Pseudomonas aeruginosa that isolates from different clinical cases by using PCR.

2018 ◽  
pp. 26
Author(s):  
Rana M. Abdullah Al-Shwaikh ◽  
Abbas Falih Alornaaouti
Keyword(s):  
Molecular Weight ◽  
Pseudomonas Aeruginosa ◽  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Otitis Media ◽  
Urinary Tract Infections ◽  
Gel Electrophoresis ◽  
Wound Infections ◽  
Tract Infections

       Current study obtained (75) isolate of Pseudomonas aeruginosa collected from different cases included : 28 isolates from otitis media, 23 isolates from burn infections, 10 isolates from wound infections, 8 isolates from urinary tract infections and 6 isolates from blood, during the period between 1/9/2014 to 1/11/2014        The result revealed that the tox A gene was present in 54 isolates (72%) of Pseudomonas aeruginosa. The gel electrophoresis showed that the molecular weight of tox A gene was 352 bp. The result shows 17 isolates (60.71%) from otitis media has tox A gene, 18 isolates (78.26%) from burn followed by 8 isolate (80%) from wound infection and 5 isolates (62.5%) from urinary tract infection , finally 6 isolates (100%) from blood have this gene.

URINARY INFECTION AT DEPARTMENT OF UROLOGY OF HUE UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL

2018 ◽  
pp. 100-108
Author(s):  
Dinh Khanh Le ◽  
Dinh Dam Le ◽  
Khoa Hung Nguyen ◽  
Xuan My Nguyen ◽  
Minh Nhat Vo ◽  
...  
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Urine Culture ◽  
Clinical Manifestations ◽  
University Hospital ◽  
E Coli ◽  
Positive Urine ◽  
Tract Infections

Objectives: To investigate clinical characteristics, bacterial characteristics, drug resistance status in patients with urinary tract infections treated at Department of Urology, Hue University Hospital. Materials and Method: The study was conducted in 474 patients with urological disease treated at Department of Urology, Hue Universiry Hospital from July 2017 to April 2018. Urine culture was done in the patients with urine > 25 Leu/ul who have symptoms of urinary tract disease or infection symptoms. Patients with positive urine cultures were analyzed for clinical and bacterial characteristics. Results: 187/474 (39.5%) patients had symptoms associated with urinary tract infections. 85/474 (17.9%) patients were diagnosed with urinary tract infection. The positive urine culture rate was 45.5%. Symptoms of UTI were varied, and no prominent symptoms. E. coli accounts for the highest proportion (46.67%), followed by, Staphycoccus aureus (10.67%), Pseudomonas aeruginsa (8,0%), Streptococcus faecali and Proteus (2.67%). ESBL - producing E. coli was 69.23%, ESBL producing Enterobacter spp was 33.33%. Gram-negative bacteria are susceptible to meropenem, imipenem, amikacin while gram positive are vancomycin-sensitive. Conclusions: Clinical manifestations of urinary tract infections varied and its typical symptoms are unclear. E.coli is a common bacterium (46.67%). Isolated bacteria have a high rate of resistance to some common antibiotics especially the third generation cephalosporins and quinolones. Most bacteria are resistant to multiple antibiotics at the same time. Gram (+) bacteria are susceptible to vancomycin, and gram (-) bacteria are susceptible to cefoxitin, amikacin, and carbapenem. Key words: urinary tract infection

scholarly journals Measuring Antibiotic Appropriateness for Urinary Tract Infections in Nursing Home Residents

2017 ◽  
Vol 38 (8) ◽  
pp. 998-1001 ◽  
Author(s):  
Taniece Eure ◽  
Lisa L. LaPlace ◽  
Richard Melchreit ◽  
Meghan Maloney ◽  
Ruth Lynfield ◽  
...  
Keyword(s):  
Urinary Tract Infection ◽  
Nursing Home ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Nursing Home Residents ◽  
Infect Control Hosp ◽  
Antibiotic Prescribing ◽  
Appropriate Use ◽  
Tract Infections

We assessed the appropriateness of initiating antibiotics in 49 nursing home (NH) residents receiving antibiotics for urinary tract infection (UTI) using 3 published algorithms. Overall, 16 residents (32%) received prophylaxis, and among the 33 receiving treatment, the percentage of appropriate use ranged from 15% to 45%. Opportunities exist for improving UTI antibiotic prescribing in NH.Infect Control Hosp Epidemiol 2017;38:998–1001

Diagnosis of Urinary Tract Infection

PEDIATRICS ◽  
1972 ◽  
Vol 50 (6) ◽  
pp. 975-975
Author(s):  
James Kennedy Todd
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
False Positives ◽  
Colony Count ◽  
Tract Infections

The recent paper by Cohen in the August issue of Pediatisics relies on the use of "one or more cultures of over 100,000 organisms per millimeter of urine" to make the diagnosis of urinary tract infections upon which the remainder of the study is dependent. Obviously, the colony count was intended to read "per milliliter," and yet the results of the study must be seriously questioned since the criterion for diagnosis of urinary tract infection was not rigid enough to exclude a large number of false-positives— patients who never really had urinary tract infections.

Larger Numbers Needed

PEDIATRICS ◽  
1987 ◽  
Vol 80 (5) ◽  
pp. 764-764
Author(s):  
THOMAS E. WISWELL
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
First Year ◽  
Infection Rates ◽  
Symptomatic Urinary Tract Infection ◽  
Tract Infections ◽  
First Year Of Life

In Reply.— Dr Altschul presents data on urinary tract infections during infancy and reports infection rates substantially lower than those we have previously reported.1,2 He then makes several conclusions based on these differences. His data indicate that the maximum infection rates would be 0.11% among girls and 0.02% and 0.12% among circumcised and uncircumcised boys, respectively. In contrast, from a population of 422,328 infants, we found the overall incidence of symptomatic urinary tract infection during the first year of life to be 0.57% in girls, 0.11% in circumcised boys, and 1.12% in uncircumcised boys.

scholarly journals Infeções do Trato Urinário numa Coorte de Transplantados Renais

2014 ◽  
Vol 27 (3) ◽  
pp. 364 ◽  
Author(s):  
Ana Bispo ◽  
Milene Fernandes ◽  
Cristina Toscano ◽  
Teresa Marques ◽  
Domingos Machado ◽  
...  
Keyword(s):  
Risk Factors ◽  
Escherichia Coli ◽  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Hospital Admissions ◽  
Female Gender ◽  
Tract Infections

<strong>Introduction:</strong> Urinary tract infection is the most common infectious complication following renal transplantation and its frequency is insufficiently studied in Portugal. The aim of this study was to characterize the incidence of urinary tract infections and recurrent urinary tract infections in renal transplant recipients.<br /><strong>Material and Methods:</strong> This was a retrospective cohort observational study, obtained from clinical files of all patients who received a renal transplant at the Hospital of Santa Cruz, from January 2004 to December 2005, with a mean follow-up period of five years or until date of graft loss, death or loss of follow-up. After a descriptive analysis of the population, we used bivariate tests to identify risk factors for urinary tract infections.<br /><strong>Results:</strong> A total of 127 patients were included, with a 593 patients.year follow-up. We detected 53 patients (41.7%) presenting with at least one episode of urinary tract infection; 21 patients (16.5%) had recurrent urinary tract infection. Female gender was the only risk factor associated with the occurrence of urinary tract infections (p &lt; 0.001, OR = 7.08, RR = 2.95) and recurrent urinary tract infections (p &lt; 0.001, OR = 4.66, RR = 2.83). Escherichia coli (51.6%), Klebsiella pneumoniae (15.5%) and Enterobacter spp (9.9%) were the<br />most frequently identified pathogens. Patients did not reveal an increased mortality or allograft loss. However, urinary tract infections were the most important cause of hospital admissions.<br /><strong>Discussion:</strong> Female gender was the only risk factor for urinary tract infections in this population. Escherichia coli was the most frequent agent isolated.<br /><strong>Conclusion:</strong> Despite preventive measures, urinary tract infections remain an important cause of morbidity and hospital admissions.<br /><strong>Keywords:</strong> Urinary Tract Infections; Postoperative Complications; Risk Factors; Kidney Transplantation; Portugal.

scholarly journals The Prevalence of Bacterial Pathogens associated with Urinary Tract Infection (UTI) among Patients attending Kam Medical Consult Clinic, Uganda.

2021 ◽  
Author(s):  
◽  
Gerald Turyatunga
Keyword(s):  
Urinary Tract Infection ◽  
Urinary Tract ◽  
Tract Infection ◽  
Urinary Tract Infections ◽  
Bacterial Pathogens ◽  
Clinical Signs ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Etiological Agents ◽  
Tract Infections

Background: A urinary tract infection (UTIs) is a common type of infection caused by bacteria that travel up the urethra to the bladder. Globally, it is reported that 150 million people are diagnosed with a UTI annually, costing the world economy over 6 million US dollars in treatment and work loss. Studies conducted in the in-patients pediatric ward of Muhimbili Hospital in Tanzania and Mulago National Referral Hospital in Uganda between five to ten years reported the prevalence of UTI to be 16.8% and 14.6% respectively. On average at Kam Medical Consult Clinic, patients who turn up in the laboratory are about 20%, and 50% of patients present with recurring UTIs clinically. Therefore,  there is a need to establish and investigate the prevalence of bacterial pathogens associated with UTI and multiple pathogens that are not known. Methodology: The cross-sectional study was carried out at Kam medical consult clinic (KMCC) located in Kafeero zone Mulago II Kawempe division. The study population was adults and children presenting with symptoms of urinary tract infection. 120 Midstream urine Samples were collected from patients presenting clinical signs of UTI. The diagnosis was done through macroscopy dry chemistry, microscopy, and culture. Results Among the sampled population, 33% of males had urinary tract infections while 67% of females had urinary tract infections.  88.5% were outpatients while 11.5 % were in-patients The overall prevalence of UTI among patients was 63.3% with children aged (1-10) having a prevalence of 5.8 %. Conclusion and recommendation: E.coli is an etiological agent causing UTIs in male and female patients presenting UTI at Kam Medical Consult Clinic. Other etiological agents included Klebsiella, Coliform, Enterococcus species, staphylococcus aureus, pseudomonas species, and candida species. There is a need to monitor the profile of etiological bacteria of UTI through culture and sensitivity regularly. 

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