Titre : Villes

Villes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Platelet Function Tests
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milieu urbain ?\nComment évaluer l'accès aux soins en ville ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Villes", "description": "Quels symptômes sont liés à la pollution de l'air ?\nComment la vie urbaine affecte-t-elle la santé mentale ?\nQuels symptômes sont associés à la chaleur urbaine ?\nQuels signes indiquent une mauvaise qualité de l'eau en ville ?\nQuels symptômes sont liés à l'isolement social en ville ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Villes", "description": "Comment prévenir les maladies liées à la pollution en ville ?\nQuelles mesures peuvent réduire le stress urbain ?\nComment améliorer la qualité de l'eau en milieu urbain ?\nQuelles stratégies aident à prévenir les coups de chaleur ?\nComment favoriser la santé mentale en milieu urbain ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Villes", "description": "Quels traitements sont efficaces contre les maladies respiratoires urbaines ?\nComment traiter les effets de la chaleur extrême en ville ?\nQuels traitements sont disponibles pour le stress urbain ?\nComment traiter les maladies liées à l'eau contaminée ?\nQuels traitements sont recommandés pour l'anxiété urbaine ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Villes", "description": "Quelles complications peuvent survenir à cause de la pollution ?\nQuels risques de santé sont liés à l'isolement social ?\nQuelles complications peuvent résulter de la chaleur extrême ?\nComment la qualité de l'eau affecte-t-elle la santé ?\nQuelles complications sont liées à la vie urbaine ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Villes", "description": "Quels facteurs de risque sont associés à la pollution urbaine ?\nComment le stress urbain influence-t-il la santé ?\nQuels sont les risques liés à la chaleur en milieu urbain ?\nQuels facteurs augmentent le risque de maladies infectieuses en ville ?\nQuels comportements augmentent le risque de problèmes de santé en ville ?", "url": "https://questionsmedicales.fr/mesh/D002947?mesh_terms=Platelet+Function+Tests&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer l'impact de la pollution urbaine sur la santé ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'impact se mesure par des études épidémiologiques et des indicateurs de santé." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour diagnostiquer les maladies liées aux villes ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de laboratoire, des examens cliniques et des enquêtes de santé sont utilisés." } }, { "@type": "Question", "name": "Comment identifier les zones à risque sanitaire en ville ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "L'analyse géospatiale et les données de santé publique aident à identifier ces zones." } }, { "@type": "Question", "name": "Quels indicateurs de santé sont pertinents en milieu urbain ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les taux de maladies respiratoires, cardiovasculaires et d'obésité sont des indicateurs clés." } }, { "@type": "Question", "name": "Comment évaluer l'accès aux soins en ville ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'accès se mesure par la distance aux établissements de santé et la disponibilité des services." } }, { "@type": "Question", "name": "Quels symptômes sont liés à la pollution de l'air ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent toux, essoufflement, irritation des yeux et fatigue." } }, { "@type": "Question", "name": "Comment la vie urbaine affecte-t-elle la santé mentale ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Le stress, l'anxiété et la dépression sont souvent exacerbés par la vie urbaine." } }, { "@type": "Question", "name": "Quels symptômes sont associés à la chaleur urbaine ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent déshydratation, épuisement et coups de chaleur." } }, { "@type": "Question", "name": "Quels signes indiquent une mauvaise qualité de l'eau en ville ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent des maladies gastro-intestinales et des éruptions cutanées." } }, { "@type": "Question", "name": "Quels symptômes sont liés à l'isolement social en ville ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "L'isolement peut entraîner des symptômes de dépression et d'anxiété." } }, { "@type": "Question", "name": "Comment prévenir les maladies liées à la pollution en ville ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Des politiques de réduction de la pollution et des campagnes de sensibilisation sont essentielles." } }, { "@type": "Question", "name": "Quelles mesures peuvent réduire le stress urbain ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Promouvoir des espaces verts et des activités communautaires aide à réduire le stress." } }, { "@type": "Question", "name": "Comment améliorer la qualité de l'eau en milieu urbain ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des systèmes de filtration et des contrôles réguliers de la qualité de l'eau sont nécessaires." } }, { "@type": "Question", "name": "Quelles stratégies aident à prévenir les coups de chaleur ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Éduquer sur l'hydratation et l'ombre, et créer des refuges frais sont des stratégies clés." } }, { "@type": "Question", "name": "Comment favoriser la santé mentale en milieu urbain ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Encourager le soutien social et l'accès à des services de santé mentale est crucial." } }, { "@type": "Question", "name": "Quels traitements sont efficaces contre les maladies respiratoires urbaines ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les bronchodilatateurs, corticostéroïdes et thérapies respiratoires sont courants." } }, { "@type": "Question", "name": "Comment traiter les effets de la chaleur extrême en ville ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut l'hydratation, le repos et, si nécessaire, des soins médicaux." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour le stress urbain ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La thérapie cognitivo-comportementale et les médicaments peuvent aider à gérer le stress." } }, { "@type": "Question", "name": "Comment traiter les maladies liées à l'eau contaminée ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut l'hydratation, des antibiotiques et des soins symptomatiques." } }, { "@type": "Question", "name": "Quels traitements sont recommandés pour l'anxiété urbaine ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les thérapies psychologiques et les médicaments anxiolytiques sont souvent prescrits." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir à cause de la pollution ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des maladies respiratoires chroniques et des cancers." } }, { "@type": "Question", "name": "Quels risques de santé sont liés à l'isolement social ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "L'isolement peut entraîner des maladies cardiovasculaires et des troubles mentaux." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter de la chaleur extrême ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des coups de chaleur, des déshydratations sévères et des décès." } }, { "@type": "Question", "name": "Comment la qualité de l'eau affecte-t-elle la santé ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Une mauvaise qualité de l'eau peut entraîner des infections et des maladies gastro-intestinales." } }, { "@type": "Question", "name": "Quelles complications sont liées à la vie urbaine ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent l'anxiété, la dépression et des maladies chroniques." } }, { "@type": "Question", "name": "Quels facteurs de risque sont associés à la pollution urbaine ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'industrialisation, le trafic routier et l'urbanisation rapide." } }, { "@type": "Question", "name": "Comment le stress urbain influence-t-il la santé ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le stress peut aggraver des conditions comme l'hypertension et l'anxiété." } }, { "@type": "Question", "name": "Quels sont les risques liés à la chaleur en milieu urbain ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes âgées et celles avec des maladies chroniques sont particulièrement à risque." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de maladies infectieuses en ville ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "La densité de population et l'accès limité à l'eau potable augmentent les risques." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque de problèmes de santé en ville ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, la sédentarité et une alimentation déséquilibrée sont des comportements à risque." } } ] } ] }

Sources (10000 au total)

On-treatment platelet reactivity through the thromboxane A

Pelacarsen decreases plasma levels of lipoprotein(a) [Lp(a)] and oxidized phospholipids (OxPL). It was previously reported that pelacarsen does not affect the platelet count. We now report the effect ... Subjects with established cardiovascular disease and screening Lp(a) levels ≥60 mg per deciliter (~ ≥150 nmol/L) were randomized to receive pelacarsen (20, 40, or 60 mg every 4 weeks; 20 mg every 2 we... Of the 286 subjects randomized, 275 had either an ARU or PRU test, 159 (57.8%) were on aspirin alone and 94 (34.2%) subjects were on dual anti-platelet therapy. As expected, the baseline ARU and PRU w... Pelacarsen does not modify on-treatment platelet reactivity through the thromboxane A...

Multicenter evaluation of light transmission platelet aggregation reagents: communication from the ISTH SSC Subcommittee on Platelet Physiology.

Light transmission aggregation (LTA) is used widely by the clinical and research communities. Although it is a gold standard, there is a lack of interlaboratory harmonization.... The primary objective was to assess whether sources of activators (mainly adenosine diphosphate [ADP], collagen, arachidonic acid, epinephrine, and thrombin receptor activating peptide6) and ristoceti... An international multicenter study involving 28 laboratories in which we compared LTA results obtained with center-specific activators and a comparator that we supplied.... We report variability in the potency (P) of activators in comparison with the comparator. Thrombin receptor activating peptide 6 (P, 1.32-2.68), arachidonic acid (P, 0.87-1.43), and epinephrine (P, 0.... Based on these data, the establishment and adoption of simple standardization principles should mitigate variability due to activator sources. The observation of huge interindividual variability for c...

Postinjury platelet aggregation and venous thromboembolism.

Posttraumatic venous thromboembolism (VTE) remains prevalent in severely injured patients despite chemoprophylaxis. Importantly, although platelets are central to thrombosis, they are not routinely ta... We performed a secondary analysis of 133 severely injured patients from a prospective observational study investigating coagulation and inflammation (2011-2019). Platelet aggregation in response to st... The 133 patients were severely injured (median Injury Severity Score, 25), and 14% developed VTE (all >48 hours after admission). At presentation, platelet count and PA were not significantly differen... Severely injured patients with decreasing ex vivo measures of PA despite resuscitation have an increased risk of developing VTE. This may have implications for predicting development of VTE and for st... Prognostic/Epidemiological; Level III....

Gamma and X-ray irradiation do not affect the in vitro quality of refrigerated apheresis platelets in platelet additive solution (PAS-E).

Platelet refrigeration (cold storage) provides the advantages of an extended shelf life and reduces the risk of bacterial growth, compared to platelets stored at room temperature (RT). However, proces... Triple-dose apheresis platelets were collected in 40% plasma/60% PAS-E, using the TRIMA apheresis platform, and refrigerated (2-6°C) within 8 h of collection. On day 2, one of each component was gamma... The platelet concentration decreased by approximately 20% in all groups during 21 days of storage (p > .05). Irradiation (gamma or X-ray) did not affect platelet metabolism, and the pH was maintained ... Gamma and X-ray irradiation do not affect the in vitro quality of platelet components stored in the cold for up to 21 days. This demonstrates the acceptability of irradiating cold-stored platelets, wh...

In vitro quality of cold and delayed cold-stored platelet concentrates from interim platelet units during storage for 21 days.

Based on previous success using apheresis platelets, we wanted to investigate the in vitro quality and platelet function in continuously cold-stored and delayed cold-stored platelet concentrates (PCs)... We used a pool-and-split design to prepare 18 identical pairs of PCs. One unit was stored unagitated and refrigerated after production on day 1 (cold-stored). The other unit was stored agitated at roo... All PCs complied with European recommendations (EDQM 20th edition). Both groups had mean platelet content >200 × 10... Our findings suggest that PCs from IPUs are suitable for cold storage from day 1 until day 21 and delayed cold storage from day 5 until day 14....

Hyperbaric treatment of platelets extends in vitro storage to 14 days.

Platelets for transfusion have a storage time of 5-7 days at 22°C-24°C, which results in a strain on the supply chain and supply shortages. We describe a novel method to extend platelet storage using ... Apheresis platelets (APU) prepared in 65% platelet additive solution (PAS) were stored under standard conditions (SC) at 20°C-24°C to Day 5. Paired APUs were prepared with Xe and stored to Day 14 at 2... XHC platelets were viable out to Day 14. The average pH of Day 14 platelets was 6.58, and 86% maintained some degree of swirl compared with 7.02 and 100% swirl for Day 5 SC platelets. The rate of glyc... Platelet storage with the Xe/hyperbaric/cold method is a feasible candidate for extension of storage to 14 days based on in vitro characteristics. In vivo recovery and survival studies are indicated. ...

Cell Surface Platelet Tissue Factor Expression: Regulation by P2Y

ADP-induced platelet activation leads to cell surface expression of several proteins, including TF (tissue factor). The role of ADP receptors in platelet TF modulation is still unknown. We aimed to as... The effects of P2Y... In blood from healthy subjects, stimulated in vitro by ADP, the percentage of TF... Data show that TF expression is regulated by P2Y...