Active clinical trials for "Infections"

Respiratory syncytial virus (RSV) infection is the most common cause of severe lower respiratory tract infection (LRTI) in the pediatric population worldwide. Age at the time of infection, prematurity, multiparity, exposure to smoke and the level of passive immunity transmitted at birth are the main risk factors for lower respiratory infection associated with RSV. Other factors, including the innate immune response, respiratory microbiota, and intra-host viral heterogeneity, may also affect outcomes but are not fully considered in RSV infection. Exploring the impact of these factors is difficult due to the heterogeneity of the population which makes statistical adjustment difficult. Thus, twin models are useful in understanding the impact of the host on the environment, as twins often share similar exposure to infection and many risk factors, but not all are ie different prenatal and postnatal conditions, differential transfer of maternal antibodies and the genetic makeup of heterozygotes.

This qualitative study aims to explore lived experiences of older adults living with HIV in Hong Kong. Twenty older Chinese adults of age 50 or above will be recruited from an HIV specialist clinic providing HIV care in the public service. Qualitative, semi-structured interview will be conducted to explore risk factors contributing to life stress and adversity, and protective factors associated with resilience. The qualitative data will be delineated to propose a typology of older adults living with HIV as characterized by their unmet needs, barriers and facilitators of resilience-building.

There is no specific recommendation about antimicrobial treatment length for documented infections in chemotherapy induced febrile neutropenia. The aim of this study was to compare long versus short antibiotic course for bloodstream infection treatment in acute myeloid leukemia patients during febrile neutropenia. This monocentric retrospective comparative study included all consecutive bloodstream infection episodes among acute myeloid leukemia patients with febrile neutropenia for 3 years (2017-2019). Episodes were classified regarding the length of antibiotic treatment, considered as short course if the treatment lasted ≤7 days, except for nonfermenting bacteria and Staphylococcus aureus or lugdunensis for which the threshold was ≤10 days and ≤14 days, respectively. The primary outcome was the number of bloodstream infection relapses in both groups within 30 days of antibiotic discontinuation.

We designed this study to examine whether COVID-19 infection could lead to retinal and choroidal microvascular involvement in school-age children (6-18 years) in a pandemic peak in China.

Febrile urinary tract infection (FUTIs) are the most common bacterial infections in children under the age of 2 years. They represent 7% of children presenting with fever without a source. In case of recurrent or undertreated FUTIs there is a risk for kidney function with the threat of chronic renal failure [7]. They are more often isolated but some FUTIs may reveal an underlying and facilitating condition. Beside the well-known congenital anomalies of the kidneys and urinary tract such as reflux or obstructions, others risk factors for FUTI are reported. Age less than 1 year, uncircumcised males, poor fluid intake, bladder bowel dysfunction (BBD) including dysfunctional voiding pattern and constipation increase the risk of FUTI. The prevalence of BBD in children with FUTIs is far higher than in the general population. Recommendations emphasize on an efficient treatment of BBD in the first-line management of recurring FUTIs and it has been proven to be efficient (ref). One of the BBD may include Hirschsprung's Disease (HD). HD is the first congenital malformation of the enteric nervous system with a reported prevalence of 1 in 5000 live birth. It's characterized by an aganglionosis and subsequent dysmotility affect by always the anal canal, most commonly there is a rectosigmoid form (74-80%), and less commonly involves a long segment of colon (12-22%) or a total colonic aganglionosis with ileal involvement upto 50 cm proximal to ileocecal junction (4-13%). The treatment is based on the resection of dysfunctional segment of colon with an anastomosis between the normally innervated bowel to the anus, while preserving normal sphincter function. But significant bowel dysfunction may persist postoperatively. 20% of the children present a fecal incontinence, and 14% a constipation in long-term studies. Bladder dysfunction and associated urological anomalies are also reported in these patients. All of that may facilitate the occurrence of febrile urinary tract infections (FUTI) in patients with HD. Unfortunately, few studies focused on this specific population. The objective of this study was to find out whether children with HD are more prone to develop FUTIs than controls and which patient with HD are more at risk to develop UTIs.

Inflammation and abnormalities in laboratory coagulation tests are inseparably tied. For example, coagulation abnormalities are nearly universal in septic patients. Coagulation disorders have also been reported in many patients with severe courses of Coronavirus disease 2019 (Covid-19). But it is difficult to assess these changes. Global coagulation tests have been shown to incorrectly assess in vivo coagulation in patients admitted to intensive care units. But other tests are available. Thrombin generation assay (TGA) is a laboratory test which allows the assessment of an individual's potential to generate thrombin. But also in conventional TGA the protein C system is hardly activated because of the absence of endothelial cells (containing natural thrombomodulin) in the plasma sample. Therefore the investigators add recombinant human thrombomodulin to a conventional TGA. Thereby the investigators hope to be able to depict in vivo coagulation more closely than global coagulation tests do.

Context: On March 11, the World Health Organization (WHO) announced the current corona virus disease 2019 (COVID-19) outbreak as a pandemic. The first laboratory-confirmed case of COVID-19 in Austria was announced on February 27, 2020. Since then, the incidence of infection follows a gradual increase. Measurements taken by the Austrian government include travel restrictions, closing of national borders, social distancing, a mandatory use of facemasks in public, and closing of stores and restaurants. The underlying aim of those imposed restrictions is to contain the viral transmission and to slow spreading of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Objectives: The aims of this study are to determine i) how many employees in Austrian trauma hospitals and rehabilitation facilities have virus specific IgG and IgM antibodies against SARS-CoV-2, ii) how many are active virus carriers (symptomatic and asymptomatic), iii) how many employees are in their incubation period during the study period, and iv) to calculate the SARS-CoV-2 prevalence together with a specific occupation associated infection risk within the different specifications of health care workers. Study Design: Open uncontrolled observational cross-sectional study. Setting/Participants: A total of 4000 employees in 11 Austrian trauma hospitals and rehabilitation facilities of the Austrian Social Insurance for Occupational Risks (AUVA) will be invited to participate in the study. Study Interventions and Measures: An antibody test for SARS-CoV-2 specific IgG and IgM antibodies, and a RT-PCR test based on oropharyngeal swab samples, as well as laboratory-based antibody tests using ELISA, will be implemented to ensure protection and preservation of health in hospital staff and are not part of the study. The tests will be conducted twice, with approximately two weeks in between testing. The results of the tests will be used for statistical analysis in this study together with a questionnaire including questions related to personal health, traveling activities, living situation, as well as inquiries of symptoms and comorbidities.

Retrospective laboratory-based data collection study of surgical site infections: Surveillance of Healthcare-Associated Infections in Orthopaedic and Trauma Surgery Unit in Sosnowiec, Poland;

The aim of this pilot study is to demonstrate the feasibility of viral biomolecular diagnosis in sputum compared to nasopharyngeal swab in cystic fibrosis acute respiratory infection.

This study will analyze gene expression data (HostDx Sepsis test) from blood samples collected from participants with suspected infections. The primary endpoint of the study is to prospectively validate the HostDx Sepsis test for infections. As a secondary endpoint the correlation of participant prognosis and gene expression results in the HostDx Sepsis test will be validated. Participants presenting to the emergency departments of enrolling sites with a suspected infection and 1 vital signs OR suspected sepsis and 2 vital sign changes as stated in the protocol are meeting enrollment criteria