questionsmedicales.fr
Phénomènes chimiques
Viscosité
Viscosité : Questions médicales fréquentes
Termes MeSH sélectionnés :
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Viscosité : Questions médicales les plus fréquentes",
"headline": "Viscosité : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Viscosité : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-04-05",
"dateModified": "2025-03-31",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Viscosité"
},
"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": "Phénomènes chimiques",
"url": "https://questionsmedicales.fr/mesh/D055598",
"about": {
"@type": "MedicalCondition",
"name": "Phénomènes chimiques",
"code": {
"@type": "MedicalCode",
"code": "D055598",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G02"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Viscosité",
"alternateName": "Viscosity",
"code": {
"@type": "MedicalCode",
"code": "D014783",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Gregory D Sloop",
"url": "https://questionsmedicales.fr/author/Gregory%20D%20Sloop",
"affiliation": {
"@type": "Organization",
"name": "Pathology, Idaho College of Osteopathic Medicine, Meridian, USA."
}
},
{
"@type": "Person",
"name": "Gheorghe Pop",
"url": "https://questionsmedicales.fr/author/Gheorghe%20Pop",
"affiliation": {
"@type": "Organization",
"name": "Cardiology, Radboud University Medical Center, Nijmegen, NLD."
}
},
{
"@type": "Person",
"name": "Joseph J Weidman",
"url": "https://questionsmedicales.fr/author/Joseph%20J%20Weidman",
"affiliation": {
"@type": "Organization",
"name": "Internal Medicine, Independent Researcher, Columbia, USA."
}
},
{
"@type": "Person",
"name": "John A St Cyr",
"url": "https://questionsmedicales.fr/author/John%20A%20St%20Cyr",
"affiliation": {
"@type": "Organization",
"name": "Cardiac/Thoracic/Vascular Surgery, Jacqmar, Inc., Minneapolis, USA."
}
},
{
"@type": "Person",
"name": "Nguyen Ngoc Minh",
"url": "https://questionsmedicales.fr/author/Nguyen%20Ngoc%20Minh",
"affiliation": {
"@type": "Organization",
"name": "Department of Mechanical Systems Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Effects of ferric carboxymaltose on hemoglobin level after cardiac surgery: A randomized controlled trial.",
"datePublished": "2022-11-11",
"url": "https://questionsmedicales.fr/article/36375780",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.accpm.2022.101171"
}
},
{
"@type": "ScholarlyArticle",
"name": "Ferric Carboxymaltose in Iron-Deficient Patients with Hospitalized Heart Failure and Reduced Kidney Function.",
"datePublished": "2023-06-29",
"url": "https://questionsmedicales.fr/article/37382961",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.2215/CJN.0000000000000223"
}
},
{
"@type": "ScholarlyArticle",
"name": "Intravenous ferric carboxymaltose for the management of iron deficiency and iron deficiency anaemia in children and adolescents: a review.",
"datePublished": "2022-09-02",
"url": "https://questionsmedicales.fr/article/36056175",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1007/s00431-022-04582-w"
}
},
{
"@type": "ScholarlyArticle",
"name": "Ferric carboxymaltose effects on restless legs syndrome and on brain iron in patients with iron deficiency anemia.",
"datePublished": "2023-07-01",
"url": "https://questionsmedicales.fr/article/37437492",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.sleep.2023.06.023"
}
},
{
"@type": "ScholarlyArticle",
"name": "Highly efficient removal of arsenate and arsenite with potassium ferrate: role of in situ formed ferric nanoparticle.",
"datePublished": "2022-09-09",
"url": "https://questionsmedicales.fr/article/36083368",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1007/s11356-022-22858-4"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Phénomènes chimiques",
"item": "https://questionsmedicales.fr/mesh/D055598"
},
{
"@type": "ListItem",
"position": 3,
"name": "Viscosité",
"item": "https://questionsmedicales.fr/mesh/D014783"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Viscosité - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Viscosité",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-14",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Viscosité",
"description": "Comment évaluer la viscosité sanguine ?\nQuels tests diagnostiques sont utilisés ?\nQuels symptômes indiquent une viscosité élevée ?\nLa viscosité peut-elle être mesurée à domicile ?\nQuel rôle joue la viscosité dans les maladies cardiovasculaires ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Viscosité",
"description": "Quels symptômes sont liés à une viscosité sanguine élevée ?\nLa viscosité affecte-t-elle la circulation ?\nQuels signes indiquent une viscosité anormale ?\nLa viscosité peut-elle causer des douleurs articulaires ?\nQuels symptômes neurologiques peuvent apparaître ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Viscosité",
"description": "Comment prévenir une viscosité sanguine élevée ?\nLe tabagisme influence-t-il la viscosité ?\nL'alcool affecte-t-il la viscosité ?\nLe stress a-t-il un impact sur la viscosité ?\nLes examens réguliers sont-ils importants ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Viscosité",
"description": "Comment traiter une viscosité sanguine élevée ?\nLes médicaments peuvent-ils réduire la viscosité ?\nQuel rôle joue l'hydratation dans le traitement ?\nLes changements alimentaires sont-ils efficaces ?\nQuand faut-il envisager une transfusion sanguine ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Viscosité",
"description": "Quelles complications peuvent résulter d'une viscosité élevée ?\nLa viscosité peut-elle causer des problèmes respiratoires ?\nQuels risques pour les femmes enceintes ?\nLes personnes âgées sont-elles plus à risque ?\nComment la viscosité affecte-t-elle la cicatrisation ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Viscosité",
"description": "Quels facteurs augmentent la viscosité sanguine ?\nL'âge influence-t-il la viscosité ?\nLe manque d'exercice est-il un facteur de risque ?\nLes maladies chroniques influencent-elles la viscosité ?\nLe régime alimentaire joue-t-il un rôle ?",
"url": "https://questionsmedicales.fr/mesh/D014783?mesh_terms=Ferric+Compounds&page=2#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment évaluer la viscosité sanguine ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "La viscosité sanguine est mesurée par des tests de laboratoire, comme la viscosité capillaire."
}
},
{
"@type": "Question",
"name": "Quels tests diagnostiques sont utilisés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests comme l'hématocrite et la protéine C-réactive aident à évaluer la viscosité."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une viscosité élevée ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme des douleurs thoraciques ou des troubles de la circulation peuvent indiquer une viscosité élevée."
}
},
{
"@type": "Question",
"name": "La viscosité peut-elle être mesurée à domicile ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, la mesure de la viscosité nécessite des équipements de laboratoire spécialisés."
}
},
{
"@type": "Question",
"name": "Quel rôle joue la viscosité dans les maladies cardiovasculaires ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une viscosité sanguine élevée peut augmenter le risque de thrombose et d'accidents vasculaires."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont liés à une viscosité sanguine élevée ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fatigue, maux de tête, vertiges et troubles de la vision peuvent survenir."
}
},
{
"@type": "Question",
"name": "La viscosité affecte-t-elle la circulation ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une viscosité élevée peut ralentir la circulation sanguine et provoquer des douleurs."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une viscosité anormale ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des saignements excessifs ou des ecchymoses fréquentes peuvent indiquer une viscosité anormale."
}
},
{
"@type": "Question",
"name": "La viscosité peut-elle causer des douleurs articulaires ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une viscosité élevée peut entraîner des douleurs articulaires dues à une circulation réduite."
}
},
{
"@type": "Question",
"name": "Quels symptômes neurologiques peuvent apparaître ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des troubles de la mémoire ou des difficultés de concentration peuvent survenir avec une viscosité élevée."
}
},
{
"@type": "Question",
"name": "Comment prévenir une viscosité sanguine élevée ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hydratation, une alimentation équilibrée et faire de l'exercice régulièrement."
}
},
{
"@type": "Question",
"name": "Le tabagisme influence-t-il la viscosité ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut augmenter la viscosité sanguine et le risque de maladies cardiovasculaires."
}
},
{
"@type": "Question",
"name": "L'alcool affecte-t-il la viscosité ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une consommation excessive d'alcool peut augmenter la viscosité sanguine et nuire à la santé."
}
},
{
"@type": "Question",
"name": "Le stress a-t-il un impact sur la viscosité ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut affecter la viscosité sanguine en augmentant la pression artérielle."
}
},
{
"@type": "Question",
"name": "Les examens réguliers sont-ils importants ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des examens réguliers peuvent aider à détecter des problèmes de viscosité avant qu'ils ne s'aggravent."
}
},
{
"@type": "Question",
"name": "Comment traiter une viscosité sanguine élevée ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement peut inclure des anticoagulants, des modifications alimentaires et une hydratation adéquate."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils réduire la viscosité ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments comme l'aspirine peuvent aider à réduire la viscosité sanguine."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'hydratation dans le traitement ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne hydratation peut fluidifier le sang et réduire la viscosité, améliorant la circulation."
}
},
{
"@type": "Question",
"name": "Les changements alimentaires sont-ils efficaces ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en oméga-3 et en antioxydants peut aider à réduire la viscosité."
}
},
{
"@type": "Question",
"name": "Quand faut-il envisager une transfusion sanguine ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une transfusion peut être nécessaire en cas de viscosité extrême entraînant des complications graves."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une viscosité élevée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des thromboses, des AVC et des problèmes cardiaques peuvent survenir."
}
},
{
"@type": "Question",
"name": "La viscosité peut-elle causer des problèmes respiratoires ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une viscosité élevée peut entraîner des embolies pulmonaires, affectant la respiration."
}
},
{
"@type": "Question",
"name": "Quels risques pour les femmes enceintes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une viscosité sanguine élevée peut augmenter le risque de complications pendant la grossesse."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées ont un risque accru de viscosité élevée et de complications associées."
}
},
{
"@type": "Question",
"name": "Comment la viscosité affecte-t-elle la cicatrisation ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une viscosité élevée peut ralentir la cicatrisation des plaies en réduisant l'apport sanguin."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent la viscosité sanguine ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'obésité, le diabète, et l'hyperlipidémie sont des facteurs de risque majeurs."
}
},
{
"@type": "Question",
"name": "L'âge influence-t-il la viscosité ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut augmenter la viscosité sanguine en raison de changements physiologiques."
}
},
{
"@type": "Question",
"name": "Le manque d'exercice est-il un facteur de risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sédentaire peut contribuer à une viscosité sanguine élevée."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques influencent-elles la viscosité ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme l'hypertension et les maladies rénales peuvent augmenter la viscosité."
}
},
{
"@type": "Question",
"name": "Le régime alimentaire joue-t-il un rôle ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en graisses saturées et en sucres peut augmenter la viscosité sanguine."
}
}
]
}
]
}
Perioperative anemia is common in cardiac surgery. Few studies investigated the effect of postoperative intravenous (IV) iron supplementation and were mostly inconclusive....
Design: A randomized single-center, double-blind, placebo-controlled, parallel-group trial....
195 non-anemic patients were recruited from December 2018 to December 2020: 97 patients received 1 g of ferric carboxymaltose (FCM) and 98 patients received 100 mL of physiological serum on postoperat...
hemoglobin levels, reticulocyte count, serum iron, serum ferritin, and transferrin saturation were measured at induction of anesthesia, postoperative days 1, 5, and 30. Transfusion rate, duration of m...
At day 30, the hemoglobine level was higher in the FCM group than in the placebo group (mean 12.9 ± 1.2 vs. 12.1 ± 1.3 g/dL (95%CI 0.41-1.23, p-value <0.001)). Patients in the FCM group received fewer...
In this randomized controlled trial, administration of FCM on postoperative day 1 in non-anemic patients undergoing cardiac surgery increased hemoglobin levels by 0.8 g/dL on postoperative day 30, lea...
NCT03759964....
Reduced kidney function is common among patients with heart failure. In patients with heart failure and/or kidney disease, iron deficiency is an independent predictor of adverse outcomes. In the AFFIR...
The double-blind, placebo-controlled AFFIRM-AHF trial randomized 1132 stabilized adults with acute heart failure (left ventricular ejection fraction <50%) and iron deficiency. Patients on dialysis wer...
Overall, 60% of patients had an eGFR <60 ml/min per 1.73 m 2 (the lower eGFR subgroup). These patients were significantly older, more likely to be female and to have ischemic heart failure, and had hi...
In a cohort of patients with acute heart failure, left ventricular ejection fraction <50%, and iron deficiency, the safety and efficacy of ferric carboxymaltose were consistent across a range of eGFR ...
Study to Compare Ferric Carboxymaltose With Placebo in Patients With Acute Heart Failure and Iron Deficiency (Affirm-AHF), NCT02937454 ....
Iron deficiency is the primary cause of anaemia worldwide and is particularly common among children and adolescents. Intravenous (IV) iron therapy is recommended for paediatric patients with certain c...
The available publications indicate that IV FCM, a nanomedicine with a unique and distinctive therapeutic profile, is an effective and generally well-tolerated treatment for iron deficiency or iron de...
• Iron deficiency and iron deficiency anaemia are usually managed using oral iron therapy, but intravenous iron therapy is recommended for certain paediatric patients. • Intravenous ferric carboxymalt...
• Despite evidence that FCM is effective and generally well tolerated in children and adolescents, so far, only retrospective studies, non-randomised uncontrolled prospective studies, or case reports ...
Brain iron status is fundamental in RLS pathogenesis. The aim of this study was to determine the clinical efficacy and brain iron concentration improvement in RLS patients with IDA, using 1500 mg FCM....
This is a randomized, double-blinded, placebo-controlled study. RLS patients with IDA were grouped into either 1500 mg FCM or placebo. The primary outcomes were the change from baseline on the Interna...
A total of 18 RLS patients with IDA were enrolled, 10 in the FCM group and 8 in the placebo. At the week 6 endpoint, the FCM group showed significant improvement in both IRLS (-13.60 ± 9.47 vs. -3.63 ...
This study demonstrates that 1500 mg FCM effectively treats RLS symptoms in IDA patients over six weeks, with MRI measurements of improved brain iron content serving as a potential biomarker for RLS p...
It is well known the capacity of potassium ferrate (Fe(VI)) for the oxidation of pollutants or co-precipitation and adsorption of hazardous species. However, little information has been paid on the ad...
Iron-dependent anaerobic oxidation of methane (Fe-AOM) is an important process to reduce methane emissions into the atmosphere. It is well known that iron bioavailability largely influences microbial ...
Chronic obstructive pulmonary disease (COPD) is associated with reduced exercise capacity. In COPD iron deficiency is found in up to 50% of patients and may impair exercise capacity, the potential the...
In this non-randomized, interrupted time series pilot trial we enrolled outpatients with stable COPD (GOLD II and III) and nonanemic iron deficiency (i.e., ferritin level < 100 μg/l or ferritin level ...
From 35 screened patients, 11 (72% male, 63 ± 8 years, FEV1%predicted 44 ± 14) were included. Mean ferritin and hemoglobin were 70 ± 41 µg/l and 13.8 ± 1.7 g/dl, respectively. Four weeks after iron ad...
Administration of intravenous iron was associated with improved exercise capacity and quality of life in stable COPD patients independent of hemoglobin. Our data provide a basis to calculate a statist...
Biogas residue biochar (BRB) and BRB modified by ferric chloride (BRB-FeCl...
Ferric derisomaltose (FDI; Monofer) is used in clinical practice to treat iron deficiency, but the safety and efficacy of FDI has not been robustly evaluated in a large real-world study. This retrospe...
Nanostructured iron(III) compounds are promising food fortificants with desirable iron bioavailability and food compatibility. Here, gum arabic (GA) solubilized 252 mg of iron(III) per g at neutral pH...