Comment diagnostiquer une infection à cocci à Gram positif ?

Un diagnostic se fait par culture bactérienne et tests de sensibilité aux antibiotiques.

Quels tests de laboratoire sont utilisés ?

Les tests incluent la culture, le frottis et les tests de sensibilité aux antibiotiques.

Quels symptômes indiquent une infection à cocci ?

Fièvre, douleur, rougeur et gonflement au site d'infection sont des indicateurs.

Les cocci à Gram positif sont-ils visibles au microscope ?

Oui, ils apparaissent comme des sphères violettes lors d'une coloration de Gram.

Quelle est l'importance de l'antibiogramme ?

L'antibiogramme détermine la sensibilité des bactéries aux antibiotiques, crucial pour le traitement.

Quels sont les symptômes d'une infection à staphylocoque ?

Les symptômes incluent des abcès, des furoncles, et parfois des infections systémiques.

Comment se manifeste une infection à streptocoque ?

Elle peut provoquer des maux de gorge, des éruptions cutanées et des douleurs abdominales.

Les infections à cocci peuvent-elles être asymptomatiques ?

Oui, certaines infections à cocci à Gram positif peuvent être asymptomatiques.

Quels signes cliniques sont associés aux infections cutanées ?

Rougeur, chaleur, douleur et écoulement purulent sont des signes fréquents.

Les infections à cocci peuvent-elles causer des complications ?

Oui, elles peuvent entraîner des complications graves comme la septicémie ou l'endocardite.

Comment prévenir les infections à cocci à Gram positif ?

Maintenir une bonne hygiène, se laver les mains et éviter le contact avec des personnes infectées.

Les vaccins sont-ils disponibles contre ces infections ?

Actuellement, il n'existe pas de vaccins spécifiques contre les cocci à Gram positif.

Quel rôle joue l'hygiène dans la prévention ?

Une bonne hygiène réduit le risque de transmission et d'infection par ces bactéries.

Les soins des plaies peuvent-ils prévenir les infections ?

Oui, un bon soin des plaies aide à prévenir l'infection par des cocci à Gram positif.

Comment éviter la propagation en milieu hospitalier ?

Des protocoles stricts d'hygiène et d'isolement sont essentiels pour prévenir la propagation.

Quels antibiotiques sont efficaces contre les cocci à Gram positif ?

Les pénicillines, céphalosporines et vancomycine sont souvent utilisés.

Comment traiter une infection à staphylocoque résistant ?

Les infections à SARM nécessitent des antibiotiques spécifiques comme la vancomycine.

Quelle est l'importance du traitement précoce ?

Un traitement précoce réduit le risque de complications graves et favorise une guérison rapide.

Les infections à cocci nécessitent-elles une hospitalisation ?

Cela dépend de la gravité de l'infection; certaines peuvent être traitées en ambulatoire.

Quelles sont les options de traitement pour les infections cutanées ?

Les infections cutanées peuvent nécessiter des antibiotiques et parfois un drainage chirurgical.

Quelles sont les complications possibles d'une infection à cocci ?

Les complications incluent la septicémie, l'endocardite et les infections osseuses.

Comment une infection à streptocoque peut-elle évoluer ?

Elle peut évoluer vers des complications graves comme le choc toxique ou la fasciite nécrosante.

Les infections à cocci peuvent-elles causer des maladies systémiques ?

Oui, elles peuvent entraîner des maladies systémiques comme la pneumonie ou la méningite.

Quels sont les risques d'une infection non traitée ?

Une infection non traitée peut entraîner des complications graves et potentiellement mortelles.

Comment prévenir les complications lors du traitement ?

Un suivi médical régulier et un traitement approprié sont essentiels pour prévenir les complications.

Quels sont les facteurs de risque d'infection à cocci ?

Les facteurs incluent un système immunitaire affaibli, diabète et hospitalisation récente.

Les personnes âgées sont-elles plus à risque ?

Oui, les personnes âgées ont un risque accru d'infections à cocci à Gram positif.

Le diabète augmente-t-il le risque d'infection ?

Oui, le diabète peut affaiblir le système immunitaire et augmenter le risque d'infections.

Les patients immunodéprimés sont-ils plus vulnérables ?

Oui, les patients immunodéprimés sont particulièrement vulnérables aux infections à cocci.

Les interventions chirurgicales augmentent-elles le risque ?

Oui, les interventions chirurgicales peuvent augmenter le risque d'infections à cocci à Gram positif.

Cocci à Gram positif - Informations médicales vérifiées

The sensitivity and specificity of COVID-19 rapid anti-gene test in comparison to RT-PCR test as a gold standard test.

Feb 2023

DOI: 10.1002/jcla.24844 PMID: 36725342

Coronavirus disease 2019 (COVID-19) is a modern infectious disease, first identified in December 2019 in Wuhan, China. The etiology is via severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),... This is a cohort hospital-based study done during the period of July to September 2020. Both rapid anti-gene test kit (SARS-CoV-2) and RT-qPCR were used for the detection of COVID-19 in suspected case... A total of 148 cases were tested using both the RT-qPCR and rapid test. Twenty-nine (19.6%) of these cases had positive results for RT-qPCR and 119 (80.4%) were negative, whereas 52 (35.1%) patients w... We cannot consider rapid anti-gene test alone as a diagnostic method for COVID-19. We should also conduct RT-PCR test and other investigations like imaging CT scan of chest to confirm the diagnosis. T...

Humans COVID-19 SARS-CoV-2 COVID-19 Testing Reverse Transcriptase Polymerase Chain Reaction +4 autres

On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test.

15 Feb 2023

DOI: 10.11613/BM.2023.010101 PMID: 36627979

Diagnostic tests are important clinical tools. To assess the sensitivity and specificity of a new test, its results should be compared against a gold standard. However, the gold-standard test is not a...

Humans Sensitivity and Specificity Diagnostic Tests, Routine

Sensitivity and specificity of the Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised to detect dysarthria in individuals with amyotrophic lateral sclerosis.

09 2023

DOI: 10.1002/mus.27923 PMID: 37345346

Given the widespread use of the Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised (ALSFRS-R) to measure disease progression in ALS and recent reports demonstrating its poor sensitivity, we... Paired ALSFRS-R and validated Speech Intelligibility Test (SIT) data from individuals with ALS were analyzed. Trained raters completed duplicate, independent, and blinded ratings of audio recordings t... A total of 250 paired SIT and ALSFRS-R data points were analyzed. Dysarthria was confirmed in 72.4% (n = 181). Dysarthric speakers demonstrated lower ALSFRS-R bulbar subscale (8.9 vs. 11.2) and speech... The ALSFRS-R bulbar and speech item subscale scores may be useful, inexpensive, and quick tools for monitoring dysarthria status in ALS....

Humans Amyotrophic Lateral Sclerosis Dysarthria Severity of Illness Index Sensitivity and Specificity +1 autres

Sensitivity and specificity of monocyte distribution width (MDW) in detecting patients with infection and sepsis in patients on sepsis pathway in the emergency department.

Jun 2023

DOI: 10.1007/s15010-022-01956-y PMID: 36399260

Monocyte distribution width (MDW) is a biomarker for the early identification of sepsis. We assessed its accuracy in patients presenting with suspected sepsis in the emergency department (ED).... This was a single gate, single centre study in consecutive adults (≥ 18 years) admitted to the ED with suspected sepsis and clinical history compatible with infection, between 01 January and 31 Decemb... The overall median MDW was 22.0 (IQR 19.3, 25.6). Using Sepsis-3 (qSOFA) to define sepsis, the Area Under Curve (AUC) for a receiver operator characteristic (ROC) relationship was 0.59 (95% CI 0.56, 0... In this population of ED admissions with a strong clinical suspicion of sepsis, MDW had a performance to identify sepsis comparable to that of other commonly used biomarkers. In this setting, MDW coul...

Adult Humans Monocytes COVID-19 Sepsis +3 autres

Large-scale pathogenicity prediction analysis of cancer-associated kinase mutations reveals variability in sensitivity and specificity of computational methods.

08 2023

DOI: 10.1002/cam4.6324 PMID: 37409618

Mutations in kinases are the most frequent genetic alterations in cancer; however, experimental evidence establishing their cancerous nature is available only for a small fraction of these mutants.... Predicition analysis of kinome mutations is the primary aim of this study. Further objective is to compare the performance of various softwares in pathogenicity prediction of kinase mutations.... We employed a set of computational tools to predict the pathogenicity of over forty-two thousand mutations and deposited the kinase-wise data in Mendeley database (Estimated Pathogenicity of Kinase Mu... Mutations are more likely to be drivers when being present in the kinase domain (vs. non-kinase domain) and belonging to hotspot residues (vs. non-hotspot residues). We identified that, while predicti... The study provides a large dataset of kinase mutations along with their predicted pathogenicity that can be used as a training set for future studies. Furthermore, a comparative sensitivity and select... Primary-structure-based in silico tools identified more cancerous/deleterious mutations in the kinase domains and at the hot spot residues while having higher sensitivity than specificity in detecting...

Humans Virulence Mutation Software Sensitivity and Specificity +2 autres

A sensitive and specific nano-vehicle based on self-amplified dual-input synthetic gene circuit for intracellular imaging and treatment.

15 Dec 2022

DOI: 10.1016/j.bios.2022.114746 PMID: 36240629

Synthetic genetic circuits (SGCs) that sense multiple biomarkers and respond intelligently provide a powerful tool for intracellular biosensing. The SGC is usually loaded into the nanoscale liposomes ...

Biosensing Techniques Liposomes Genes, Synthetic bcl-2-Associated X Protein Sensitivity and Specificity

Sensitivity and Specificity of Rapid SARS-CoV-2 Antigen Detection Using Different Sampling Methods: A Clinical Unicentral Study.

02 06 2022

DOI: 10.3390/ijerph19116836 PMID: 35682419

Rapid antigen detection of SARS-CoV-2 has been widely used. However, there is no consensus on the best sampling method. This study aimed to determine the level of agreement between SARS-CoV-2 fluoresc...

COVID-19 COVID-19 Testing Humans SARS-CoV-2 Saliva +2 autres

FEN1-aided recombinase polymerase amplification (FARPA) for one-pot and multiplex detection of nucleic acids with an ultra-high specificity and sensitivity.

01 Oct 2023

DOI: 10.1016/j.bios.2023.115456 PMID: 37354713

Recombinase polymerase amplification (RPA) running at 37-42 °C is fast, efficient and less-implemented; however, the existing technologies of nucleic acid testing based on RPA have some limitations in...

Humans Recombinases Sensitivity and Specificity Flap Endonucleases Nucleic Acids +7 autres

A Novel Scoring System for MYB RNA In Situ Hybridization Displays High Sensitivity and Specificity for Adenoid Cystic Carcinoma in a Clinical Setting.

19 Jun 2024

DOI: 10.1007/s12105-024-01656-z PMID: 38896376

MYB RNA in situ hybridization (ISH) has emerged as a reliable and accessible marker to support adenoid cystic carcinoma (ACC) diagnosis, though still not well studied. Here, we report our results in a... 79 cases (23 retrospective and 56 prospective) underwent MYB RNA ISH testing (44 ACC and 35 non-ACC). MYB RNA ISH results were initially interpreted based on previously established (original) scoring ... An abluminal pattern was characteristic and exclusive to ACC. All i-scores, % LS, and percent positive were significantly higher in ACC. Original scoring criteria yielded a 95.5% sensitivity (Sn), 68.... MYB RNA ISH has a higher Sn than MYB::NFIB FISH while retaining high Sp. Our model provides improvements to specificity compared to original scoring criteria and highlight the importance of abluminal ...

Humans Carcinoma, Adenoid Cystic Proto-Oncogene Proteins c-myb Female Sensitivity and Specificity +11 autres

Estimating sensitivity and specificity of diagnostic tests using latent class models that account for conditional dependence between tests: a simulation study.

10 03 2023

DOI: 10.1186/s12874-023-01873-0 PMID: 36894883

Latent class models are increasingly used to estimate the sensitivity and specificity of diagnostic tests in the absence of a gold standard, and are commonly fitted using Bayesian methods. These model... A simulation study and a reanalysis of a published case study are used to highlight the impact of the conditional dependence structure chosen on estimates of sensitivity and specificity. We describe a... The findings highlight that assuming conditional independence between tests within a latent class, where conditional dependence exists, results in biased estimates of sensitivity and specificity and p... We have illustrated that misspecification of the conditional dependence structure leads to biased estimates of sensitivity and specificity when there is a correlation between tests. Due to the minimal...

Humans Models, Statistical Latent Class Analysis Bayes Theorem Sensitivity and Specificity +1 autres

Cocci à Gram positif : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sous-catégories

Deinococcus

Micrococcaceae

Peptococcaceae

Peptostreptococcus

Planococcaceae

Ruminococcus

Sarcina

Staphylococcaceae

Micrococcus

Renibacterium

Peptococcus

Bactéries Planococcus

Staphylococcus

Micrococcus luteus

Staphylococcus aureus

Staphylococcus capitis

Staphylococcus epidermidis

Staphylococcus haemolyticus

Staphylococcus hominis

Staphylococcus hyicus

Staphylococcus intermedius

Staphylococcus lugdunensis

Staphylococcus saprophyticus

Staphylococcus aureus résistant à la méticilline

Staphylococcus aureus résistant à la vancomycine

Sources (10000 au total)