Titre : Facteurs épidémiologiques

Facteurs épidémiologiques : Questions médicales fréquentes

Termes MeSH sélectionnés :

Platelet Transfusion
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"@type": "Question", "name": "Comment évaluer les facteurs épidémiologiques d'une maladie ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'évaluation se fait par des études épidémiologiques et des analyses statistiques." } }, { "@type": "Question", "name": "Quels outils sont utilisés pour le diagnostic épidémiologique ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les enquêtes, les registres de santé et les bases de données sont couramment utilisés." } }, { "@type": "Question", "name": "Quelle est l'importance des études de cohorte ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Elles permettent d'observer l'incidence des maladies sur des groupes spécifiques dans le temps." } }, { "@type": "Question", "name": "Comment les facteurs environnementaux sont-ils diagnostiqués ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Par des études de cas-témoins et des analyses de l'exposition environnementale." } }, { "@type": "Question", "name": "Quel rôle joue la surveillance épidémiologique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de détecter et de suivre les tendances des maladies dans la population." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une épidémie ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une augmentation soudaine de cas similaires dans une population peut être un indicateur." } }, { "@type": "Question", "name": "Comment les symptômes varient-ils selon les populations ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent varier en fonction de la génétique, de l'environnement et des comportements." } }, { "@type": "Question", "name": "Quels symptômes sont liés aux maladies infectieuses ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, fatigue, toux et douleurs musculaires sont souvent associés aux infections." } }, { "@type": "Question", "name": "Les symptômes peuvent-ils être influencés par des facteurs socio-économiques ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les conditions socio-économiques peuvent affecter l'accès aux soins et la santé globale." } }, { "@type": "Question", "name": "Comment les symptômes psychologiques sont-ils pris en compte ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont souvent évalués dans le cadre d'études sur la santé mentale et le bien-être." } }, { "@type": "Question", "name": "Quelles stratégies de prévention sont efficaces ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Les campagnes de vaccination et l'éducation à la santé sont des stratégies clés." } }, { "@type": "Question", "name": "Comment les facteurs épidémiologiques influencent-ils la prévention ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Ils aident à identifier les populations à risque et à cibler les interventions préventives." } }, { "@type": "Question", "name": "Quel rôle joue la sensibilisation dans la prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "La sensibilisation augmente la connaissance des risques et encourage des comportements sains." } }, { "@type": "Question", "name": "Comment les politiques de santé publique influencent-elles la prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Elles établissent des directives et des ressources pour réduire les risques de maladies." } }, { "@type": "Question", "name": "Les programmes de dépistage sont-ils importants ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils permettent de détecter précocement les maladies et d'améliorer les résultats de santé." } }, { "@type": "Question", "name": "Quels traitements sont influencés par des facteurs épidémiologiques ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements peuvent varier selon la prévalence des maladies dans une population donnée." } }, { "@type": "Question", "name": "Comment les traitements sont-ils adaptés aux épidémies ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont ajustés en fonction des caractéristiques de la maladie et des populations touchées." } }, { "@type": "Question", "name": "Quel est l'impact des traitements préventifs ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements préventifs réduisent l'incidence des maladies dans les populations à risque." } }, { "@type": "Question", "name": "Comment évaluer l'efficacité des traitements ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Par des essais cliniques et des études de suivi sur les résultats de santé." } }, { "@type": "Question", "name": "Les traitements varient-ils selon les régions géographiques ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent être adaptés en fonction des ressources et des besoins locaux." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir lors d'épidémies ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent la surcharge des systèmes de santé et l'augmentation de la mortalité." } }, { "@type": "Question", "name": "Comment les complications affectent-elles la santé publique ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des coûts élevés et des défis pour la gestion des soins de santé." } }, { "@type": "Question", "name": "Les complications varient-elles selon les groupes d'âge ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les jeunes et les personnes âgées peuvent avoir des complications différentes." } }, { "@type": "Question", "name": "Quel est l'impact des complications sur la qualité de vie ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent réduire la qualité de vie et augmenter le besoin de soins." } }, { "@type": "Question", "name": "Comment prévenir les complications liées aux maladies ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Par des interventions précoces et un suivi régulier des patients à risque." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque épidémiologiques ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, le sexe, le statut socio-économique et les comportements de santé." } }, { "@type": "Question", "name": "Comment les facteurs environnementaux influencent-ils les risques ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "La pollution, le climat et l'accès aux soins peuvent augmenter les risques de maladies." } }, { "@type": "Question", "name": "Les antécédents familiaux sont-ils des facteurs de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antécédents familiaux peuvent prédisposer à certaines maladies génétiques." } }, { "@type": "Question", "name": "Quel rôle joue le mode de vie dans les facteurs de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sédentaire et une mauvaise alimentation augmentent le risque de maladies chroniques." } }, { "@type": "Question", "name": "Comment les facteurs de risque sont-ils identifiés ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Par des études épidémiologiques et des analyses de données de santé publique." } } ] } ] }

Sous-catégories

22 au total
└─

Facteurs âges

Age Factors D000367 - N06.850.490.250
└─

Biais (épidémiologie)

Bias D015982 - N06.850.490.500
└─

Causalité

Causality D015984 - N06.850.490.625
└─

Comorbidité

Comorbidity D015897 - N06.850.490.687
└─

Facteurs de confusion (épidémiologie)

Confounding Factors, Epidemiologic D015986 - N06.850.490.718
└─

Modificateur d'effet épidémiologique

Effect Modifier, Epidemiologic D015987 - N06.850.490.734
└─

Antécédents gynécologiques et obstétricaux

Reproductive History D017584 - N06.850.490.812
└─

Intervalle sériel de l'infection

Serial Infection Interval D000088822 - N06.850.490.844
└─

Facteurs sexuels

Sex Factors D012737 - N06.850.490.875
└─

Syndémique

Syndemic D000076603 - N06.850.490.937
└─└─

Âge de début

Age of Onset D017668 - N06.850.490.250.100
└─└─

Âge maternel

Maternal Age D008423 - N06.850.490.250.550
└─└─

Biais de l'observateur

Observer Variation D015588 - N06.850.490.500.250
└─└─

Biais de sélection

Selection Bias D015983 - N06.850.490.500.500
└─└─

Facteurs précipitants

Precipitating Factors D015985 - N06.850.490.625.500
└─└─

Multimorbidité

Multimorbidity D000076322 - N06.850.490.687.500
└─└─

Effet de cohorte

Cohort Effect D015988 - N06.850.490.734.500
└─└─

Effet du travailleur en bonne santé

Healthy Worker Effect D015989 - N06.850.490.734.750
└─└─

Effet placebo

Placebo Effect D015990 - N06.850.490.734.875
└─└─

Gravidité

Gravidity D020073 - N06.850.490.812.250
└─└─

Parité

Parity D010298 - N06.850.490.812.600
└─└─└─

Effet nocebo

Nocebo Effect D064786 - N06.850.490.734.875.500

Sources (7085 au total)

Platelet transfusions and predictors of bleeding in patients with myelodysplastic syndromes.

This study aimed to describe the burden of thrombocytopenia, supportive care practices, bleeding complications and predictors of bleeding in MDS patients within a large Australian hospital network, to... A retrospective cohort study of patients aged ≥18 years with MDS, chronic myelomonocytic leukaemia or MDS/myeloproliferative overlap neoplasm admitted from 2016 to 2018 was conducted. Data were obtain... One hundred seventy-nine patients (median age 78 years, 61.5% male) were identified. The median platelet count at first admission was 90 × 10... Thrombocytopenia is common in MDS. Although guidelines recommend otherwise, prophylactic platelet transfusions were commonly used for severe thrombocytopenia. Despite the majority of patients receivin...

The appropriateness of platelet transfusions in hematological patients and the potential for improvement.

Hematology patients are intensive platelet users. In clinical practice, a substantial proportion of platelet (PLT) transfusions are routinely administered outside the guidelines despite compelling evi... The audit of all PLT orders for adult hematological inpatients was conducted over 2 months. The assessment was performed using guidelines for PLT transfusion. Patient demographic, clinical, and transf... Based on 286 PLT orders, 344 PCs were transfused to 67 patients: 235 (82.2%) prophylactical due to low PLT count, 34 (11.9%) preprocedural and 17 (5.9%) therapeutic. Overall, 105 (36.77%) PLT transfus... Our audit of PLT transfusion practice found a large proportion of inappropriate PLT transfusions. Based on the most common deviations from the guidelines a variety of targeted measures for improvement...

Evaluation of the Association of Platelet Count, Mean Platelet Volume, and Platelet Transfusion With Intraventricular Hemorrhage and Death Among Preterm Infants.

Platelet transfusion is commonly performed in infants to correct severe thrombocytopenia or prevent bleeding. Exploring the associations of platelet transfusion, platelet count (PC), and mean platelet... To evaluate the associations of platelet transfusion, PC, and MPV with IVH and in-hospital mortality and to explore whether platelet transfusion-associated IVH and mortality risks vary with PC and MPV... This retrospective cohort study included preterm infants who were transferred to the neonatal intensive care unit on their day of birth and received ventilation during their hospital stay. The study w... Platelet transfusion, PC, and MPV.... Any grade IVH, severe IVH (grade 3 or 4), and in-hospital mortality.... Among the 1221 preterm infants (731 [59.9%] male; median [IQR] gestational age, 31.0 [29.0-33.0] weeks), 94 (7.7%) received 166 platelet transfusions. After adjustment for potential confounders, plate... In preterm infants, platelet transfusion, PC, and MPV were associated with mortality, and PC was also associated with any grade IVH and severe IVH. The findings suggest that a lower platelet transfusi...

Immunologic effects of red blood cell and platelet transfusions in neonates.

Premature neonates are frequently transfused red blood cells (RBCs) or platelets to raise hemoglobin or platelet counts. However, these transfusions may have unintended effects on the immune system. T... Neonatal RBC transfusions are associated with increases in plasma pro-inflammatory cytokines, but recent findings suggest sex-specific differential responses. At least one cytokine (monocyte chemoattr... RBC and platelet transfusions alter neonatal immune and inflammatory responses. Their pro-inflammatory effects might worsen neonatal disease or affect neurodevelopmental outcomes....

Thromboelastography in guiding preventive platelet transfusion in patients with haematologic diseases.

This study analysed the relationships between the main thromboelastography (TEG) parameters, the platelet (PLT) count and clinical bleeding in patients with blood diseases. We explored the threshold o... In total, 268 patients with clear diagnoses of blood diseases and thrombocytopenia were enrolled and divided into five groups, A, B, C, D and E, corresponding to PLT counts of 0-10 × 10... The maximum amplitude (MA) in groups A, B and C increased gradually, with a significant difference between each pair of these groups (P < 0.05). In groups A, B, C, D and E, the corresponding MA at the... The MA can be used as a reference indicator for preventive PLT transfusion to a certain extent. When the PLT count is within different ranges, the MA threshold for preventive PLT transfusion also diff...

Platelet transfusion in critical care: A new method to analyze transfusion practice based on decision time intervals.

While prior studies of platelet transfusion in critical care have focused on transfusions given, proper analysis of clinical transfusion practice also requires consideration of the decision not to tra... We introduce a new method to assess transfusion practice based on decision time intervals (DTIs). Each patient's intensive care (ICU) stay was segmented into a series of DTIs defined by a time interva... Among 6125 ICU patients treated between October 2016 and October 2021, we analyzed 39,745 DTIs among patients (n = 2921) who had at least one DTI with thrombocytopenia (≤150,000/μL). We found no assoc... DTI analysis represents a new method to assess transfusion practice that considers both transfusions given and not given, and that analyzes clinical circumstances present when decisions regarding tran...

A meta-analysis of risk factors associated with platelet transfusion refractoriness.

Platelet transfusion refractoriness (PTR) remains an intractable issue in clinical practice, and is common in hematological patients. At present, it is believed that both immune and non-immune factors... PubMed, Embase, Cochrane library, and Web of Science were selected as research database platforms. Citations included were further assessed for quality and bias using the Newcastle-Ottawa Scale. All a... The preliminary search revealed 1069 publications, and 17 (5929 patients in total) were ultimately included in the quantitative analysis. The following variables were associated with the occurrence of... We identified some important risk factors for PTR, but further research is needed to identify the many other possible elements that may contribute to or mediate PTR....