questionsmedicales.fr
Techniques d'investigation
Techniques de laboratoire clinique
Techniques microbiologiques
Techniques bactériologiques
Techniques bactériologiques : Questions médicales fréquentes
Termes MeSH sélectionnés :
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Techniques bactériologiques : Questions médicales les plus fréquentes",
"headline": "Techniques bactériologiques : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Techniques bactériologiques : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-05-01",
"dateModified": "2025-04-26",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Techniques bactériologiques"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Techniques microbiologiques",
"url": "https://questionsmedicales.fr/mesh/D008828",
"about": {
"@type": "MedicalCondition",
"name": "Techniques microbiologiques",
"code": {
"@type": "MedicalCode",
"code": "D008828",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "E05.200.875"
}
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Techniques de typage bactérien",
"alternateName": "Bacterial Typing Techniques",
"url": "https://questionsmedicales.fr/mesh/D015373",
"about": {
"@type": "MedicalCondition",
"name": "Techniques de typage bactérien",
"code": {
"@type": "MedicalCode",
"code": "D015373",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "E05.200.875.150.125"
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Lysotypie",
"alternateName": "Bacteriophage Typing",
"url": "https://questionsmedicales.fr/mesh/D001434",
"about": {
"@type": "MedicalCondition",
"name": "Lysotypie",
"code": {
"@type": "MedicalCode",
"code": "D001434",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "E05.200.875.150.125.150"
}
}
}
]
},
{
"@type": "MedicalWebPage",
"name": "Test LAL",
"alternateName": "Limulus Test",
"url": "https://questionsmedicales.fr/mesh/D008033",
"about": {
"@type": "MedicalCondition",
"name": "Test LAL",
"code": {
"@type": "MedicalCode",
"code": "D008033",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "E05.200.875.150.570"
}
}
}
],
"about": {
"@type": "MedicalCondition",
"name": "Techniques bactériologiques",
"alternateName": "Bacteriological Techniques",
"code": {
"@type": "MedicalCode",
"code": "D001431",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "A Yu Mironov",
"url": "https://questionsmedicales.fr/author/A%20Yu%20Mironov",
"affiliation": {
"@type": "Organization",
"name": "G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology."
}
},
{
"@type": "Person",
"name": "O Yu Borisova",
"url": "https://questionsmedicales.fr/author/O%20Yu%20Borisova",
"affiliation": {
"@type": "Organization",
"name": "G.N. Gabrichevsky Research Institute of Epidemiology and Microbiology."
}
},
{
"@type": "Person",
"name": "N T Gadua",
"url": "https://questionsmedicales.fr/author/N%20T%20Gadua",
"affiliation": {
"@type": "Organization",
"name": "G.N. Gabrichevsky Research Institute of Epidemiology and Microbiology."
}
},
{
"@type": "Person",
"name": "A S Pimenova",
"url": "https://questionsmedicales.fr/author/A%20S%20Pimenova",
"affiliation": {
"@type": "Organization",
"name": "G.N. Gabrichevsky Research Institute of Epidemiology and Microbiology."
}
},
{
"@type": "Person",
"name": "S S Afanasiev",
"url": "https://questionsmedicales.fr/author/S%20S%20Afanasiev",
"affiliation": {
"@type": "Organization",
"name": "G.N. Gabrichevsky Research Institute of Epidemiology and Microbiology."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Rapid respiratory microbiological point-of-care-testing and antibiotic prescribing in primary care: Protocol for the RAPID-TEST randomised controlled trial.",
"datePublished": "2024-05-20",
"url": "https://questionsmedicales.fr/article/38768129",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1371/journal.pone.0302302"
}
},
{
"@type": "ScholarlyArticle",
"name": "A dry chemistry-based electrochemiluminescence device for point-of-care testing of alanine transaminase.",
"datePublished": "2023-01-20",
"url": "https://questionsmedicales.fr/article/36738623",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.talanta.2023.124287"
}
},
{
"@type": "ScholarlyArticle",
"name": "Dual-mode visual detection strategies of viable pathogens for point-of-care testing.",
"datePublished": "2022-11-12",
"url": "https://questionsmedicales.fr/article/36450169",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.bios.2022.114904"
}
},
{
"@type": "ScholarlyArticle",
"name": "Laboratory Evaluation of the VISITECT Advanced Disease Semiquantitative Point-of-Care CD4 Test.",
"datePublished": "2022-09-08",
"url": "https://questionsmedicales.fr/article/36084198",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1097/QAI.0000000000003092"
}
},
{
"@type": "ScholarlyArticle",
"name": "An integrated microfluidic electrochemical assay for cervical cancer detection at point-of-care testing.",
"datePublished": "2022-05-16",
"url": "https://questionsmedicales.fr/article/35506790",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1039/d1nr08252c"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Techniques d'investigation",
"item": "https://questionsmedicales.fr/mesh/D008919"
},
{
"@type": "ListItem",
"position": 3,
"name": "Techniques de laboratoire clinique",
"item": "https://questionsmedicales.fr/mesh/D019411"
},
{
"@type": "ListItem",
"position": 4,
"name": "Techniques microbiologiques",
"item": "https://questionsmedicales.fr/mesh/D008828"
},
{
"@type": "ListItem",
"position": 5,
"name": "Techniques bactériologiques",
"item": "https://questionsmedicales.fr/mesh/D001431"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Techniques bactériologiques - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Techniques bactériologiques",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-13",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Techniques bactériologiques",
"description": "Comment se fait l'isolement des bactéries ?\nQu'est-ce qu'un test de sensibilité aux antibiotiques ?\nQuels milieux sont utilisés pour la culture bactérienne ?\nComment identifier une bactérie pathogène ?\nQu'est-ce qu'une coloration de Gram ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Techniques bactériologiques",
"description": "Quels symptômes indiquent une infection bactérienne ?\nComment reconnaître une septicémie ?\nQuels signes d'infection cutanée bactérienne ?\nQuels symptômes d'une pneumonie bactérienne ?\nQuels symptômes d'une infection urinaire ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Techniques bactériologiques",
"description": "Comment prévenir les infections bactériennes ?\nQuel rôle des vaccins dans la prévention ?\nPourquoi l'hygiène des mains est-elle importante ?\nComment éviter les infections nosocomiales ?\nQuel est l'impact de l'alimentation sur les infections ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Techniques bactériologiques",
"description": "Quels antibiotiques sont couramment utilisés ?\nComment se déroule un traitement antibiotique ?\nQu'est-ce que la thérapie combinée ?\nComment traiter une infection cutanée ?\nQuelles sont les alternatives aux antibiotiques ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Techniques bactériologiques",
"description": "Quelles sont les complications d'une infection non traitée ?\nQuels risques d'une résistance aux antibiotiques ?\nComment une infection peut-elle affecter le cœur ?\nQuelles complications d'une pneumonie bactérienne ?\nQuels effets d'une infection sur le système nerveux ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Techniques bactériologiques",
"description": "Quels sont les facteurs de risque d'infections bactériennes ?\nComment le tabagisme influence-t-il les infections ?\nQuel impact du diabète sur les infections ?\nPourquoi les personnes âgées sont-elles à risque ?\nQuel rôle joue l'hygiène dans le risque d'infection ?",
"url": "https://questionsmedicales.fr/mesh/D001431?mesh_terms=Point-of-Care+Testing&page=5#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment se fait l'isolement des bactéries ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'isolement se fait par culture sur milieux spécifiques pour favoriser la croissance."
}
},
{
"@type": "Question",
"name": "Qu'est-ce qu'un test de sensibilité aux antibiotiques ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "C'est un test qui détermine l'efficacité d'antibiotiques sur des bactéries isolées."
}
},
{
"@type": "Question",
"name": "Quels milieux sont utilisés pour la culture bactérienne ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des milieux comme le milieu nutritif, le milieu de MacConkey ou le milieu de Sabouraud."
}
},
{
"@type": "Question",
"name": "Comment identifier une bactérie pathogène ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des tests biochimiques, des colorations et des techniques moléculaires."
}
},
{
"@type": "Question",
"name": "Qu'est-ce qu'une coloration de Gram ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "C'est une méthode de coloration qui permet de classer les bactéries en Gram positif ou négatif."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une infection bactérienne ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fièvre, douleur, rougeur, gonflement et parfois écoulement purulent."
}
},
{
"@type": "Question",
"name": "Comment reconnaître une septicémie ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par une fièvre élevée, des frissons, une fréquence cardiaque rapide et confusion."
}
},
{
"@type": "Question",
"name": "Quels signes d'infection cutanée bactérienne ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Rougeur, chaleur, douleur, gonflement et parfois formation de pus."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une pneumonie bactérienne ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Toux, fièvre, douleurs thoraciques et difficultés respiratoires."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une infection urinaire ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Brûlures à la miction, besoin fréquent d'uriner et douleurs abdominales."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections bactériennes ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par une bonne hygiène, vaccination et évitement des contacts avec des malades."
}
},
{
"@type": "Question",
"name": "Quel rôle des vaccins dans la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vaccins stimulent le système immunitaire pour prévenir certaines infections bactériennes."
}
},
{
"@type": "Question",
"name": "Pourquoi l'hygiène des mains est-elle importante ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle réduit la transmission des bactéries et prévient les infections."
}
},
{
"@type": "Question",
"name": "Comment éviter les infections nosocomiales ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des protocoles stricts d'hygiène et de désinfection dans les établissements de santé."
}
},
{
"@type": "Question",
"name": "Quel est l'impact de l'alimentation sur les infections ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée renforce le système immunitaire et aide à prévenir les infections."
}
},
{
"@type": "Question",
"name": "Quels antibiotiques sont couramment utilisés ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Pénicillines, céphalosporines, macrolides et fluoroquinolones."
}
},
{
"@type": "Question",
"name": "Comment se déroule un traitement antibiotique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il doit être prescrit par un médecin et suivi jusqu'à la fin pour éviter la résistance."
}
},
{
"@type": "Question",
"name": "Qu'est-ce que la thérapie combinée ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisation de plusieurs antibiotiques pour traiter des infections complexes."
}
},
{
"@type": "Question",
"name": "Comment traiter une infection cutanée ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des antibiotiques topiques ou oraux selon la gravité de l'infection."
}
},
{
"@type": "Question",
"name": "Quelles sont les alternatives aux antibiotiques ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Probiotiques, phagothérapie et traitements immunomodulateurs."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications d'une infection non traitée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Septicémie, choc septique, et défaillance d'organes peuvent survenir."
}
},
{
"@type": "Question",
"name": "Quels risques d'une résistance aux antibiotiques ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Infections plus difficiles à traiter, augmentation de la morbidité et mortalité."
}
},
{
"@type": "Question",
"name": "Comment une infection peut-elle affecter le cœur ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut provoquer une endocardite, une inflammation des valves cardiaques."
}
},
{
"@type": "Question",
"name": "Quelles complications d'une pneumonie bactérienne ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Abcès pulmonaire, pleurésie et détresse respiratoire aiguë."
}
},
{
"@type": "Question",
"name": "Quels effets d'une infection sur le système nerveux ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Peut entraîner des méningites ou des encéphalites, avec des conséquences graves."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'infections bactériennes ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Âge avancé, immunodépression, diabète et hospitalisation prolongée."
}
},
{
"@type": "Question",
"name": "Comment le tabagisme influence-t-il les infections ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il affaiblit le système immunitaire et augmente le risque d'infections respiratoires."
}
},
{
"@type": "Question",
"name": "Quel impact du diabète sur les infections ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diabète augmente le risque d'infections cutanées et urinaires en raison de l'immunité affaiblie."
}
},
{
"@type": "Question",
"name": "Pourquoi les personnes âgées sont-elles à risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Leur système immunitaire est souvent affaibli, rendant les infections plus probables."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'hygiène dans le risque d'infection ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une mauvaise hygiène augmente le risque de transmission des bactéries pathogènes."
}
}
]
}
]
}
Antibiotics are prescribed for over 50% of respiratory tract infections in primary care, despite good evidence of there being no benefit to the patient, and evidence of over prescribing driving microb...
This is a multi-centre, individually randomised controlled trial with mixed-methods investigation of microbial, behavioural and antibiotic mechanisms on outcomes in patients aged 12 months and over pr...
This trial will provide evidence of efficacy, acceptability and mechanisms of action of a rapid microbiological point-of-care test on antibiotic prescribing and patient symptoms in primary care....
ISRCTN16039192, prospectively registered on 08/11/2022....
Liver disease causes serious public health problems because of its high prevalence, particularly affecting low- and middle-income countries. Alanine transaminase (ALT) is considered to be one of the m...
Here, we introduce a power-free foldable poly(methyl methacrylate) (PMMA) microdevice fully integrating DNA extraction, amplification, and visual detection, realized in novel dual modes - colorimetric...
Advanced HIV disease (AHD; CD4 counts <200 cells/µL) remains common in many low- and middle-income settings. An instrument-free point-of-care test to rapidly identify patients with AHD would facilitat...
A laboratory validation study....
Venous blood samples from people living with HIV having baseline CD4 testing in Gaborone, Botswana, underwent routine testing using flow cytometry, followed by testing with the VISITECT CD4 Advanced D...
One thousand fifty-three samples were included in the analysis. The VISITECT test correctly identified 112/119 samples as having a CD4 count <200 cells/µL, giving a sensitivity of 94.1% (95% confidenc...
The VISITECT CD4 advanced disease reliably identified individuals with low CD4 counts and could facilitate implementation of the WHO recommended package of interventions for AHD....
Cervical cancer (CC) is a major health care problem in low- and middle-income countries, necessitating the development of low-cost and easy-to-use assays for CC detection at point-of-care (POC) settin...
Point-of-Care Tests (POCTs) are utilized daily in resource abundant regions, however, are limited in the global south, particularly in the prehospital setting. Few studies exist on the use of non-mala...
A medical subject heading (MeSH) analysis of known key articles was done by an experienced medical librarian and scoping searches were performed in each database to capture "point of care testing" and...
2735 publications were returned, 185 were nominated for full-text review, and 110 studies were confirmed to meet study criteria. Majority focused on malaria (74/110; 67%) or HIV (25/110; 23%); 9/110 (...
The use of new POCTs is on the rise and may improve early risk stratification in limited resource settings. Current evidence from decades of malaria POCTs can guide future implementation strategies....
MicroRNAs (miRNAs) are a class of small noncoding RNAs that are approximately 22 nt in length and regulate gene expression post-transcriptionally. miRNAs play a vital role in both physiological and pa...
As surface-enhanced Raman scattering (SERS) has been used to diagnose several respiratory viruses (e.g., influenza A virus subtypes such as H1N1 and the new coronavirus SARS-CoV-2), SERS is gaining po...
Acute respiratory infections (ARIs) are by far the most common reason for prescribing an antibiotic in primary care, even though the majority of ARIs are of viral or non-severe bacterial aetiology. It...
To assess the benefits and harms of point-of-care biomarker tests of inflammation to guide antibiotic treatment in people presenting with symptoms of acute respiratory infections in primary care setti...
We searched CENTRAL (2022, Issue 6), MEDLINE (1946 to 14 June 2022), Embase (1974 to 14 June 2022), CINAHL (1981 to 14 June 2022), Web of Science (1955 to 14 June 2022), and LILACS (1982 to 14 June 20...
We included randomised controlled trials (RCTs) in primary care patients with ARIs that compared the use of point-of-care biomarkers with standard care. We included trials that randomised individual p...
Two review authors independently extracted data on the following primary outcomes: number of participants given an antibiotic prescription at index consultation and within 28 days follow-up; participa...
We included seven new trials in this update, for a total of 13 included trials. Twelve trials (10,218 participants in total, 2335 of which were children) evaluated a C-reactive protein point-of-care t...
The use of C-reactive protein point-of-care tests as an adjunct to standard care likely reduces the number of participants given an antibiotic prescription in primary care patients who present with sy...
Preeclampsia (PE) poses a serious threat to the health of the pregnant woman and her developing fetus due to the difficulty in diagnosing the condition. The disease can develop and worsen suddenly wit...
The kit employs an absorptive column that separates Congo red dye bound to urinary misfolded protein from pregnant women and unbound dye. When a solution of Congo red dye pre-mixed with urine is loade...
The POCT has a limit of detection (LoD) of human urinary misfolded proteins equivalent to 0.45 μM of denatured human serum albumin, with high reproducibility and stability. An accuracy of 96.84% for d...
This test is easy to use, cost-effective and portable with short turnaround time and no laboratory instrument requirement. In the future, the test may have the potential to become quantitative using s...