Impact of cytomegalovirus reactivation on clinical outcomes in immunocompetent critically ill patients: protocol for a systematic review and meta-analysis

Discussion This systematic review aims to explore the impact of CMV reactivation on patient-centered outcomes and health resource utilization in immunocompetent critically ill patients. Our results will help to better define the burden of disease associated with CMV reactivation. Indeed, evidence to date suggests increased mortality in this patient population. However, the relationship between CMV reactivation and health resource utilization remains less clear. Based on our results, future study on the impact of CMV treatment or prophylaxis on outcomes (including those other than mortality) may be warranted. Systematic review registration PROSPERO CRD42016035446
Source: Systematic Reviews - Category: Global & Universal Source Type: research

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AbstractHuman cytomegalovirus (HCMV) –encoded microRNAs (miRNAs) are involved in posttranscriptional regulation of gene expression. Extracellular vesicles (EVs) can incorporate miRNAs. Relationship between HCMV infection and miRNAs in EVs remains unknown. EVs were isolated from supernatants of human embryonic lung fibroblasts (HELF) cells. Profiles of miRNAs in EVs were analyzed by deep sequencing. Dynamics of candidate viral miRNAs transportation via EVs was investigated using TaqMan PCR. Levels of candidate viral miRNAs in serum EVs from infants with HCMV active infection were detected and analyzed with their clini...
Source: European Journal of Clinical Microbiology and Infectious Diseases - Category: Microbiology Source Type: research
This study aimed to characterize a VST product obtained through an expansion protocol transferable to cGMP standards. Antigenic stimulus consisted of cytomegalovirus (CMV) pp65 peptide pool-pulsed autologous dendritic cells (DCs) derived from monocytes. G-Rex technology, cytokines IL-2, IL-7, and IL-15, and anti-CD3 and anti-CD28 antibodies were used for culture. At day 14 of cell culture, the final product was characterized regarding T cell subsets, specificity, and functionality. The final product, comprised mainly CD4+ and CD8+ T lymphocytes (49.2 ± 24.7 and 42.3 ± 25.2, respectively). The culture conditio...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Atherosclerosis is a condition characterized by the growth of fatty lesions, atheromas, in blood vessel walls. This narrows and weakens blood vessels, leading to heart disease, and then ultimately the fatal rupture or blockage of a major vessel that causes a heart attack or stroke. This degeneration of the arteries is a universal process. It occurs to various degrees in every older person, and kills perhaps a sixth of humanity at the present time. The only reason that it doesn't kill everybody is that other degenerative process of aging manage to get in first, that data suggesting that this is most likely only a matter of ...
Source: Fight Aging! - Category: Research Authors: Tags: Medicine, Biotech, Research Source Type: blogs
Molecular testing of cerebrospinal fluid (CSF) using the BioFire FilmArray meningitis/encephalitis (FA-M/E) panel permits rapid, simultaneous pathogen detection. Due to the broad spectrum of targeted organisms, FA-M/E testing may be restricted to patients with abnormal CSF findings. We sought to determine if restriction is appropriate in our previously healthy and/or immunocompromised pediatric patients. FA-M/E was ordered on 1,025 CSF samples from 948 patients; 121 (11.8%) specimens were FA-M/E positive. Of these, 89 (73.6%) were virus positive, and 30 (24.8%) were bacterium positive. The most common targets detected were...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Bacteriology Source Type: research
Cytomegalovirus is the most common congenital infection, affecting 0.5-2% of all live births and the main non-genetic cause of congenital sensorineural hearing loss and neurological damage. Congenital CMV can follow maternal primary infection or non-primary infection. Sensori-neurological morbidity is confined to the first trimester with up to 40-50% of infected neonates developing sequelae after first trimester primary infection. Serological testing before 14 weeks is critical to identify primary infection within three months around conception but is not informative in women already immune before pregnancy.
Source: American Journal of Obstetrics and Gynecology - Category: OBGYN Authors: Tags: Expert Review Source Type: research
Congenital Cytomegalovirus (cCMV) infection is the most common intrauterine infection, with a worldwide prevalence of 0.2% to 2.5%.1 Diagnosis of congenital CMV infection can be performed either prenatally or postnatally. During pregnancy clinical suspicion of acute CMV infection is rarely ever raised since symptomatic disease in adults is rare. Thus, prenatal diagnosis is made either because of maternal primary CMV infection detection in areas where prenatal serologic testing is performed or due to fetal abnormalities compatible with fetal cytomegalovirus infection found on ultrasound.
Source: Journal of Infection - Category: Infectious Diseases Authors: Source Type: research
Conclusion: These data suggest that the diagnosis of acute retinal necrosis can be reasonably inferred on clinical examination, providing a guide for initial empiric therapy.
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
This article sumarizes recent findings in the pathophysiology of HCMV, especially its effects in lung transplant recipients; the current and new modalities for treatment and prevention of infection; and the latest guidelines for prevention and management of HCMV in lung transplant recipients.Recent FindingsRecent findings include moves towards standardization for monitoring and treating HCMV and approval of a new agent, letermovir, for prevention of HCMV reactivation in hematopoietic cell transplant recipients now in clinical trials for solid organ transplant recipients, and updates on the late stage development of maribav...
Source: Current Respiratory Care Reports - Category: Respiratory Medicine Source Type: research
Condition:   CMV Intervention:   Diagnostic Test: Real time PCR Sponsors:   Fundación de investigación HM;   Merck Sharp & Dohme Corp. Not yet recruiting
Source: - Category: Research Source Type: clinical trials
Abstract The T cell compartment undergoes characteristic changes with age, which contribute to increased incidence and severity of infections and reduced immunogenicity and efficacy of many vaccines in the older population. Production of naïve T cells is severely impaired due to a decreased output of lymphoid cells from the bone marrow and the involution of the thymus. At the same time, antigen-experienced, highly differentiated T cells accumulate resulting in a diminished T cell receptor repertoire. These cells show some similarities with senescent cells, such as shorter telomers, accumulated DNA damage and ...
Source: Experimental Gerontology - Category: Geriatrics Authors: Tags: Exp Gerontol Source Type: research
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