Titre : Mesure du volume sanguin

Mesure du volume sanguin : Questions médicales fréquentes

Termes MeSH sélectionnés :

Accelerometry
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"MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Mesure du volume sanguin", "description": "Comment mesure-t-on le volume sanguin ?\nQuels tests sont utilisés pour évaluer le volume sanguin ?\nQuand faut-il mesurer le volume sanguin ?\nLe volume sanguin est-il constant ?\nQuels indicateurs sont liés au volume sanguin ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Mesure du volume sanguin", "description": "Quels symptômes indiquent un volume sanguin faible ?\nComment un volume sanguin élevé se manifeste-t-il ?\nLe volume sanguin affecte-t-il la respiration ?\nQuels signes indiquent une déshydratation ?\nPeut-on détecter des anomalies par des tests sanguins ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Mesure du volume sanguin", "description": "Comment prévenir un volume sanguin anormal ?\nLe suivi médical est-il important ?\nQuels modes de vie favorisent un bon volume sanguin ?\nLes maladies chroniques affectent-elles le volume sanguin ?\nLes examens réguliers sont-ils nécessaires ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Mesure du volume sanguin", "description": "Comment traiter un volume sanguin faible ?\nQuelles sont les options pour un volume sanguin élevé ?\nLes médicaments affectent-ils le volume sanguin ?\nComment la nutrition impacte-t-elle le volume sanguin ?\nLes traitements varient-ils selon l'âge ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Mesure du volume sanguin", "description": "Quelles complications peuvent survenir avec un volume sanguin faible ?\nUn volume sanguin élevé peut-il causer des problèmes ?\nComment le volume sanguin affecte-t-il la circulation ?\nLes complications sont-elles réversibles ?\nQuels sont les risques d'une transfusion sanguine ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Mesure du volume sanguin", "description": "Quels facteurs augmentent le risque d'hypovolémie ?\nLes personnes âgées sont-elles à risque ?\nLe sexe influence-t-il le volume sanguin ?\nLes maladies chroniques augmentent-elles le risque ?\nL'alimentation joue-t-elle un rôle ?", "url": "https://questionsmedicales.fr/mesh/D001811?mesh_terms=Accelerometry&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment mesure-t-on le volume sanguin ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le volume sanguin peut être mesuré par des méthodes comme la dilution isotopique ou la photopléthysmographie." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer le volume sanguin ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests comme la mesure du volume plasmatique et des marqueurs de dilution sont couramment utilisés." } }, { "@type": "Question", "name": "Quand faut-il mesurer le volume sanguin ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Il est mesuré lors de conditions comme le choc hypovolémique ou les maladies cardiaques." } }, { "@type": "Question", "name": "Le volume sanguin est-il constant ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Non, il varie selon l'âge, le sexe, l'état de santé et l'hydratation." } }, { "@type": "Question", "name": "Quels indicateurs sont liés au volume sanguin ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des indicateurs comme l'hématocrite et l'hémoglobine peuvent refléter le volume sanguin." } }, { "@type": "Question", "name": "Quels symptômes indiquent un volume sanguin faible ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes incluent la fatigue, des étourdissements, et une pâleur de la peau." } }, { "@type": "Question", "name": "Comment un volume sanguin élevé se manifeste-t-il ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Un volume sanguin élevé peut causer une hypertension, des maux de tête et des nausées." } }, { "@type": "Question", "name": "Le volume sanguin affecte-t-il la respiration ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un volume sanguin anormal peut entraîner des difficultés respiratoires." } }, { "@type": "Question", "name": "Quels signes indiquent une déshydratation ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent la soif intense, la sécheresse de la peau et une urine foncée." } }, { "@type": "Question", "name": "Peut-on détecter des anomalies par des tests sanguins ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests sanguins peuvent révéler des anomalies du volume sanguin et des électrolytes." } }, { "@type": "Question", "name": "Comment prévenir un volume sanguin anormal ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une bonne hydratation et une alimentation équilibrée aide à prévenir les anomalies." } }, { "@type": "Question", "name": "Le suivi médical est-il important ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des contrôles réguliers peuvent aider à détecter des problèmes de volume sanguin tôt." } }, { "@type": "Question", "name": "Quels modes de vie favorisent un bon volume sanguin ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie actif, une alimentation saine et une hydratation adéquate favorisent un bon volume sanguin." } }, { "@type": "Question", "name": "Les maladies chroniques affectent-elles le volume sanguin ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète ou les maladies cardiaques peuvent influencer le volume sanguin." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils nécessaires ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des examens réguliers aident à surveiller le volume sanguin et à prévenir des complications." } }, { "@type": "Question", "name": "Comment traiter un volume sanguin faible ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement peut inclure des transfusions sanguines et des fluides intraveineux." } }, { "@type": "Question", "name": "Quelles sont les options pour un volume sanguin élevé ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement peut inclure des diurétiques et des modifications du régime alimentaire." } }, { "@type": "Question", "name": "Les médicaments affectent-ils le volume sanguin ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains médicaments comme les antihypertenseurs peuvent influencer le volume sanguin." } }, { "@type": "Question", "name": "Comment la nutrition impacte-t-elle le volume sanguin ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée aide à maintenir un volume sanguin adéquat et une bonne hydratation." } }, { "@type": "Question", "name": "Les traitements varient-ils selon l'âge ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent différer selon l'âge et les conditions médicales sous-jacentes." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec un volume sanguin faible ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent le choc hypovolémique, l'insuffisance organique et la mort." } }, { "@type": "Question", "name": "Un volume sanguin élevé peut-il causer des problèmes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il peut entraîner des complications comme l'hypertension et des maladies cardiaques." } }, { "@type": "Question", "name": "Comment le volume sanguin affecte-t-il la circulation ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un volume sanguin anormal peut perturber la circulation sanguine et causer des douleurs." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être réversibles avec un traitement approprié et rapide." } }, { "@type": "Question", "name": "Quels sont les risques d'une transfusion sanguine ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des réactions allergiques, des infections et des erreurs de compatibilité." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'hypovolémie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs incluent la déshydratation, les saignements importants et certaines maladies." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées sont plus susceptibles de souffrir de variations du volume sanguin." } }, { "@type": "Question", "name": "Le sexe influence-t-il le volume sanguin ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les hommes ont généralement un volume sanguin plus élevé que les femmes en moyenne." } }, { "@type": "Question", "name": "Les maladies chroniques augmentent-elles le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète et les maladies cardiaques peuvent augmenter le risque." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une mauvaise alimentation peut affecter le volume sanguin et la santé globale." } } ] } ] }

Sources (719 au total)

Comparison of Accelerometry-Based Measures of Physical Activity: Retrospective Observational Data Analysis Study.

Given the evolution of processing and analysis methods for accelerometry data over the past decade, it is important to understand how newer summary measures of physical activity compare with establish... We aimed to compare objective measures of physical activity to increase the generalizability and translation of findings of studies that use accelerometry-based data.... High-resolution accelerometry data from the Baltimore Longitudinal Study on Aging were retrospectively analyzed. Data from 655 participants who used a wrist-worn ActiGraph GT9X device continuously for... Data were from a sample (N=655; male: n=298, 45.5%; female: n=357, 54.5%) with a mean age of 69.8 years (SD 14.2) and mean BMI of 27.3 kg/m2 (SD 5.0). The mean marginal participant-specific correlatio... The findings from this comparison of accelerometry-based measures of physical activity can be used by researchers and facilitate the extension of knowledge from existing literature by demonstrating th...

Composite activity type and stride-specific energy expenditure estimation model for thigh-worn accelerometry.

Accurately measuring energy expenditure during physical activity outside of the laboratory is challenging, especially on a large scale. Thigh-worn accelerometers have gained popularity due to the poss... We first trained a supervised deep learning activity classification model using pooled data from available adult accelerometer datasets. The composite energy expenditure model was then developed and v... The activity classification model showed an overall accuracy of 99.7% across all five activity types during validation. The composite model for estimating energy expenditure achieved a mean absolute p... The integration of thigh-worn accelerometers with machine learning models provides a highly accurate method for classifying physical activity types and estimating energy expenditure. Our novel composi...

Sedentary behaviors and physical activity of the working population measured by accelerometry: a systematic review and meta-analysis.

Too much sedentary behavior (SB) and too little physical activity (PA) place adult workers at risk for chronic illness. It remains unclear which occupations and subgroups within occupations have the h... A literature search of six databases was performed for relevant studies published through March 2023. Eligible studies were in English, targeted working populations, had a sample size > 75, and object... We found that 63% of the studies reported daily time spent in SB and in MVPA, but fewer reported LPA, moderate PA, and vigorous PA. The average time spent in SB was 553.34 min/day, in LPA was 299.77 m... More research is needed to explore SB and PA patterns within occupational subgroups. Additionally, it is important to explore work-related individual (e.g., job task), interpersonal (e.g., social supp...

Accelerometer-measured physical activity and postmenopausal breast cancer incidence in the Women's Health Accelerometry Collaboration.

Few studies have examined accelerometer-measured physical activity and incident breast cancer (BC). Thus, this study examined associations between accelerometer-measured vector magnitude counts per 15... The WHAC comprised 21,089 postmenopausal women (15,375 from the Women's Health Study [WHS]; 5714 from the Women's Health Initiative Objective Physical Activity and Cardiovascular Health Study [OPACH])... In covariate-adjusted models, the highest (vs. lowest) tertiles of VM/15s, TPA, LPA, and MVPA were associated with BC HRs of 0.80 (95% CI, 0.64-0.99), 0.84 (95% CI, 0.69-1.02), 0.89 (95% CI, 0.73-1.08... Greater levels of accelerometer-assessed PA were associated with lower BC risk. Associations varied by age and obesity and were not independent of BMI or physical function....

Use of accelerometry to investigate standing and dynamic body balance in people with cerebral palsy: A systematic review.

People with cerebral palsy (CP) often have difficulties related to maintaining body balance in their daily living activities. Accelerometers are low-cost wearable devices with potential use to objecti... What are the main characteristics and findings from protocols used in research aiming to investigate standing or dynamic body balance stability through trunk accelerometry in people with CP?... We searched in December 2021 seven databases, Pubmed, Embase, Cochrane, Science Direct, Scopus, PEDro, and Lilacs, with descriptors related to cerebral palsy, accelerometer, and balance.... Ten studies were included, with a total of 197 evaluated people with CP. These studies were classified as moderate or high methodological quality. We found convergence on the use of the sensor at the ... Trunk accelerometry in quiet posture and dynamic tasks was shown to be a valid and sensitive measurement to evaluate balance stability in children and adolescents with CP. It is a small, light, low-co...