Comment diagnostiquer une infection virale par ARN ?

Un test PCR détecte l'ARN viral dans les échantillons biologiques.

Quels tests pour évaluer l'ARN messager ?

Des tests de quantification de l'ARNm par RT-qPCR sont utilisés.

Peut-on détecter des mutations dans l'ARN ?

Oui, des techniques comme le séquençage permettent d'identifier des mutations.

Quels marqueurs pour le cancer lié à l'ARN ?

Des biomarqueurs d'ARN spécifiques peuvent indiquer la présence de cancer.

L'ARN peut-il être analysé dans le sang ?

Oui, l'ARN circulant peut être isolé et analysé pour diverses pathologies.

Quels symptômes d'une infection par ARN ?

Fièvre, fatigue, toux et douleurs musculaires sont fréquents.

L'ARN peut-il causer des symptômes neurologiques ?

Certaines infections virales à ARN peuvent entraîner des symptômes neurologiques.

Quels signes d'une maladie génétique liée à l'ARN ?

Des anomalies de développement et des troubles métaboliques peuvent apparaître.

Des symptômes respiratoires liés à l'ARN ?

Oui, des infections virales à ARN peuvent provoquer des symptômes respiratoires.

L'ARN peut-il affecter le système immunitaire ?

Certaines infections à ARN peuvent altérer la réponse immunitaire, causant des symptômes.

Comment prévenir les infections à ARN ?

Vaccination, hygiène et mesures de distanciation sociale sont essentielles.

Les vaccins à ARN sont-ils efficaces ?

Oui, ils montrent une efficacité élevée contre certaines infections virales.

Des mesures spécifiques pour les virus à ARN ?

Éviter les contacts étroits et se laver les mains régulièrement sont recommandés.

L'éducation sanitaire aide-t-elle à prévenir ?

Oui, informer sur les risques et les mesures préventives est crucial.

Les masques protègent-ils contre l'ARN ?

Oui, les masques réduisent la transmission des virus à ARN par voie respiratoire.

Quels traitements pour les infections à ARN ?

Les antiviraux spécifiques et les traitements symptomatiques sont utilisés.

L'ARN peut-il être ciblé par des thérapies géniques ?

Oui, des thérapies géniques visent à corriger des anomalies d'ARN.

Comment traiter une maladie liée à l'ARN ?

Le traitement dépend de la maladie, incluant médicaments et thérapies de soutien.

Des vaccins basés sur l'ARN existent-ils ?

Oui, des vaccins à ARN messager sont utilisés pour prévenir certaines infections.

Peut-on utiliser des inhibiteurs d'ARN ?

Des inhibiteurs ciblant l'ARN viral sont en développement pour traiter les infections.

Quelles complications des infections à ARN ?

Pneumonie, encéphalite et syndromes de fatigue chronique peuvent survenir.

L'ARN peut-il causer des maladies auto-immunes ?

Certaines infections à ARN sont associées à des maladies auto-immunes.

Des complications neurologiques possibles ?

Oui, des infections à ARN peuvent entraîner des complications neurologiques graves.

Les infections à ARN peuvent-elles être mortelles ?

Certaines infections virales à ARN peuvent entraîner des décès, surtout chez les vulnérables.

Des complications à long terme après une infection ?

Oui, des symptômes persistants comme la fatigue peuvent survenir après l'infection.

Quels sont les facteurs de risque d'infections à ARN ?

Âge avancé, immunodépression et conditions médicales préexistantes augmentent le risque.

Le mode de vie influence-t-il le risque ?

Oui, le tabagisme et une mauvaise hygiène augmentent le risque d'infections.

Les voyages augmentent-ils le risque d'infection ?

Oui, voyager dans des zones à forte incidence d'infections à ARN augmente le risque.

Les contacts avec des animaux sont-ils un risque ?

Oui, certains virus à ARN peuvent être transmis par des animaux à l'homme.

Les conditions de vie affectent-elles le risque ?

Oui, vivre dans des environnements surpeuplés augmente le risque d'infections.

ARN - Informations médicales vérifiées

A case-control study of infections caused by

2022

DOI: 10.3389/fcimb.2022.867347 PMID: 35967868

Infections caused by antimicrobial-resistant bacteria are a significant cause of death worldwide, and carbapenemase-producing bacteria are the principal agents. New Delhi metallo-beta-lactamase-1 prod... A retrospective case-control study with patients hospitalized from January 2012 to February 2018 at the Hospital Civil de Guadalajara "Fray Antonio Alcalde" was designed. During this period, 139 patie... One hundred and thirty-nine case patients with a KP-NDM-1 isolate and 486 control patients were analyzed. In the case group, acute renal failure was a significant comorbidity, hospitalization days wer... In this study, the previous use of antibiotics, the use of a urinary catheter, the use of a central venous catheter, the use of mechanical ventilation, and ICU stay were shown to be predictors of infe...

Anti-Bacterial Agents Case-Control Studies Humans Klebsiella Infections Klebsiella pneumoniae +2 autres

Errors in Surgery: A Case Control Study.

01 11 2022

DOI: 10.1097/SLA.0000000000005664 PMID: 35946794

While errors can harm patients they remain poorly studied. This study characterized errors in the care of surgical patients and examined the association of errors with morbidity and mortality.... Errors have been reported to cause <10% or >60% of adverse events. Such discordant results underscore the need for further exploration of the relationship between error and adverse events.... Patients with operations performed at a single institution and abstracted into the American College of Surgeons National Surgical Quality Improvement Program from January 1, 2018, to December 31, 2018... Of 1899 patients, 170 were defined as cases who experienced a morbidity or mortality. The majority of cases (n=93; 55%) had at least 1 error; of the 329 matched control patients, 112 had at least 1 er... Errors in surgical care were associated with postoperative morbidity. Reducing errors requires measurement of errors....

Case-Control Studies Humans Morbidity Odds Ratio Postoperative Complications +2 autres

Iron status in women with infertility and controls: a case-control study.

2023

DOI: 10.3389/fendo.2023.1173100 PMID: 37361544

Iron deficiency is a common problem in subfertile women. The influence of iron status on unexplained infertility is unknown.... In a case-control study, 36 women with unexplained infertility and 36 healthy non-infertile controls were included. Parameters of iron status including serum ferritin and a serum ferritin <30 µg/dL se... Women with unexplained infertility demonstrated a lower transferrin saturation (median 17.3%, IQR 12.7-25.2 versus 23.9%, IQR 15.4-31.6;... Ferritin levels <30µg/L were associated with unexplained infertility and might be screened in the future. Further studies with a focus on iron deficiency and iron treatment on women with unexplained i...

Humans Female Iron Case-Control Studies Ferritins +2 autres

Sleeve Gastrectomy in Septuagenarians: a Case-Control Study.

09 2022

DOI: 10.1007/s11695-022-06193-8 PMID: 35788952

There are few studies published referring to bariatric surgery in patients older than 70 years. The aim of this study is to evaluate whether there are benefits to performing sleeve gastrectomy (SG) in... Data were retrospectively collected from a Private Clinic's electronic medical records of patients undergoing SG between June 2017 and September 2020. Inclusion criteria were patients older than 70 ye... Fifty patients were included in the study. Both groups were similar regarding gender, weight, BMI, and presence of DM. The 30-day morbidity and mortality were similar between the groups. The patients ... The sleeve gastrectomy surgery performed in patients over 70 years of age is safe. The early results suggest similar benefits regarding weight loss and improvement of comorbidities to those having SG ...

Aged Aged, 80 and over Case-Control Studies Gastrectomy Gastric Bypass +7 autres

Diverticulitis Familiality: A Statewide Case-Control Study.

01 11 2023

DOI: 10.1097/XCS.0000000000000799 PMID: 37403933

The etiology of diverticulitis is multifactorial and poorly understood. We estimated the familiality of diverticulitis using the Utah Population Database, a statewide database linking medical records ... We identified patients with diverticulitis diagnosed between 1998 and 2018 and age- and sex-matched controls in the Utah Population Database. Risk of diverticulitis in family members of patients and c... The study population included 9,563 diverticulitis patients (with 229,647 relatives) and 10,588 controls (with 265,693 relatives). Relatives of patients were more likely to develop diverticulitis (inc... Our results indicate that the first-, second-, and third-degree relatives of diverticulitis patients are at elevated risk of developing diverticulitis. This information may aid surgeons in counseling ...

Humans Infant Case-Control Studies Family Incidence +4 autres

Thrombocytosis in patients with spondyloarthritis: a case-control study.

15 Mar 2023

DOI: 10.1186/s12891-023-06304-1 PMID: 36922788

This study aimed to investigate the clinical and laboratory as well as radiological features of spondyloarthritis (SpA) patients with thrombocytosis and to explore risk factor for thrombocytosis in Sp... A total of 145 patients with SpA were included in this study, and non-thrombocytosis was identified in 76 patients while thrombocytosis was found in 69 patients, 38 out of the 69 patients received ant... The proportion of hip involvement (60.86% vs 36.84%, p = 0.004), bath ankylosing spondylitis disease activity index score (4.24 ± 0.55 vs 3.69 ± 0.67, p < 0.001), erythrocyte sedimentation rate (62.22... SpA patients with thrombocytosis have a higher proportion of hip involvement and disease activity compared to non-thrombocytosis SpA patients. The potential risk factors for thrombocytosis in SPA pati...

Humans Case-Control Studies Tumor Necrosis Factor Inhibitors Spondylarthritis Platelet Count +1 autres

Vestibulodynia and the Vaginal Microbiome: A Case-Control Study.

09 2022

DOI: 10.1016/j.jsxm.2022.06.014 PMID: 35871050

Recent studies of the vaginal microbiome have led to a better understanding of the microbiota and interactions with the host environment, however the role of the vaginal microbiome in vestibulodynia r... This study aims to investigate and examine differences in the bacterial and fungal microbiome among patients with vestibulodynia and healthy controls.... A case-control study was conducted examining the vaginal microbiome of 29 patients with vestibulodynia and 26 controls through Stony Brook University Obstetrics and Gynecology ambulatory clinic. Exclu... Principal component analysis (PCA) and linear discriminant analysis effect size (LefSe) were used to identify differences in relative abundance of operational taxonomic units (OTUs) for the vaginal mi... Lactobacillus species were dominant amongst both cases and controls. PCA of 16S and ITS OTUs did not show significant differences in microbiome composition between vestibulodynia patients and controls... Additional studies are needed to further assess the clinical significance of these findings.... Strengths of this study include ITS amplicon sequence analysis for fungal species diversity. Limitations of this study include small sample size and lack of racial diversity.... Our study did not find significant differences in composition or diversity between the vaginal microbiomes of cases of vestibulodynia and controls; however, the data suggests differences in abundance ...

Case-Control Studies Female Humans Microbiota Pregnancy +4 autres

Bladder cancer with pioglitazone: A case-control study.

Nov 2022

DOI: 10.1016/j.dsx.2022.102637 PMID: 36270237

Varied reports suggest a contentious relationship of bladder malignancy with pioglitazone in patients with type 2 diabetes.... To study an association (prevalence and predictors) of bladder malignancy with pioglitazone therapy in Asian-Indian type 2 diabetes patients.... In this observational multicenter study, type 2 diabetic patients attending out-patient diabetes-clinic were evaluated. A detailed history of anti-diabetic medication, dose, duration, pioglitazone usa... A total of 8000 patients were screened out of which 1560 were excluded. Among 6440 included patients, 1056 (16.3%) patients were in group A and 5384 (83.6%) group B. Patients on pioglitazone were olde... Pioglitazone use in Asian-Indians is not associated with an increased bladder cancer risk. However, pioglitazone should be restricted in individuals with history of hematuria. Age more than 58 years i...

Male Female Humans Middle Aged Pioglitazone +8 autres

Multiple Chemical Sensitivity Syndrome: First Symptoms and Evolution of the Clinical Picture: Case-Control Study/Epidemiological Case-Control Study.

29 11 2022

DOI: 10.3390/ijerph192315891 PMID: 36497963

Multiple chemical sensitivity (MCS) is a chronic condition characterized by the appearance of symptoms caused by exposure to chemical compounds that are tolerable for the general population. It mainly...

Middle Aged Humans Female Male Multiple Chemical Sensitivity +3 autres

HTRA1 methylation in peripheral blood as a potential marker for the preclinical detection of stroke: a case-control study and a prospective nested case-control study.

29 12 2022

DOI: 10.1186/s13148-022-01418-0 PMID: 36581876

Stroke is the leading cause of mortality in China. DNA methylation has essential roles in multiple diseases, but its association with stroke was barely studied. We hereby explored the association betw... The association was discovered in a hospital-based case-control study (cases/controls = 190:190) and further validated in a prospective nested case-control study including 139 cases who developed stro... In our study, altered HTRA1 methylation was associated with stroke at clinical and preclinical stages and thus may provide a potential biomarker in the blood for the risk evaluation and preclinical de...

Humans Prospective Studies Serine Endopeptidases Case-Control Studies DNA Methylation +2 autres

ARN : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

ARN circulaire

Isoformes d'ARN

ARN des algues

ARN des archées

ARN bactérien

ARN fongique

ARN des helminthes

ARN messager

ARN mitochondrial

ARN tumoral

ARN nucléaire

ARN des plantes

Précurseurs des ARN

ARN des protozoaires

ARN ribosomique

ARN satellite

ARN de transfert

ARN non traduit

ARN viral

ARN messager stocké

ARN nucléaire hétérogène

ARN des chloroplastes

ARN ribosomique 5S

ARN ribosomique 5.8S

ARN ribosomique 16S

ARN ribosomique 18S

ARN ribosomique 23S

ARN ribosomique 28S

Introns autoépissables d'ARN ribosomique

Satellite du virus de la mosaïque du concombre

ARN de transfert spécifiques des différents acides aminés

ARN de transfert aminoacylés

ARN catalytique

ARN long non codant

Petit ARN non traduit

ARN subgénomique

ARN de transfert de l'alanine

ARN de transfert de l'arginine

ARN de transfert de l'asparagine

ARN de transfert de l'acide aspartique

ARN de transfert de la cystéine

ARN de transfert de la glutamine

ARN de transfert de l'acide glutamique

ARN de transfert de la glycine

ARN de transfert de l'histidine

ARN de transfert de l'isoleucine

ARN de transfert de la leucine

ARN de transfert de la lysine

ARN de transfert de la méthionine

ARN de transfert de la phénylalanine

ARN de transfert de la proline

ARN de transfert de la sérine

ARN de transfert de la thréonine

ARN de transfert du tryptophane

ARN de transfert de la tyrosine

ARN de transfert de la valine

microARN

Systèmes CRISPR-Cas, ARN, guide

ARN guide

Petit ARN cytoplasmique

Petit ARN interférent

Petit ARN nucléaire

ARN de tête épissé

MicroARN circulant

ARN interagissant avec Piwi

Petit ARN nucléolaire

Auteurs principaux

Sources (10000 au total)