Titre : Valeurs de référence

Valeurs de référence : Questions médicales fréquentes

Termes MeSH sélectionnés :

Reference Values
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référence ?\nLes symptômes varient-ils selon l'âge ?\nLes symptômes peuvent-ils masquer des anomalies ?", "url": "https://questionsmedicales.fr/mesh/D012016?mesh_terms=Reference+Values&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Valeurs de référence", "description": "Comment les valeurs de référence aident-elles à la prévention ?\nQuels examens préventifs se basent sur des valeurs de référence ?\nLes valeurs de référence changent-elles avec l'âge ?\nComment maintenir des valeurs de référence normales ?\nLes vaccinations influencent-elles les valeurs de référence ?", "url": "https://questionsmedicales.fr/mesh/D012016?mesh_terms=Reference+Values&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Valeurs de référence", "description": "Comment les traitements sont-ils ajustés selon les valeurs de référence ?\nLes valeurs de référence influencent-elles les médicaments prescrits ?\nQuels traitements sont basés sur des valeurs de référence ?\nLes traitements peuvent-ils normaliser les valeurs de référence ?\nComment les valeurs de référence guident-elles le suivi des traitements ?", "url": "https://questionsmedicales.fr/mesh/D012016?mesh_terms=Reference+Values&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Valeurs de référence", "description": "Quelles complications peuvent survenir avec des valeurs anormales ?\nLes valeurs de référence anormales sont-elles toujours graves ?\nComment prévenir les complications liées aux valeurs anormales ?\nLes complications peuvent-elles être asymptomatiques ?\nComment évaluer le risque de complications ?", "url": "https://questionsmedicales.fr/mesh/D012016?mesh_terms=Reference+Values&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Valeurs de référence", "description": "Quels facteurs de risque influencent les valeurs de référence ?\nLes facteurs de risque varient-ils selon les populations ?\nComment réduire les facteurs de risque ?\nLes facteurs de risque peuvent-ils être modifiables ?\nComment les antécédents familiaux affectent-ils les valeurs de référence ?", "url": "https://questionsmedicales.fr/mesh/D012016?mesh_terms=Reference+Values&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment sont déterminées les valeurs de référence ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont établies à partir d'études sur des populations saines et varient selon l'âge et le sexe." } }, { "@type": "Question", "name": "Pourquoi les valeurs de référence varient-elles ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Elles varient en fonction de facteurs comme l'âge, le sexe, l'origine ethnique et les méthodes de test." } }, { "@type": "Question", "name": "Quelles analyses utilisent des valeurs de référence ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont utilisées dans les analyses sanguines, urinaires et d'autres tests diagnostiques." } }, { "@type": "Question", "name": "Les valeurs de référence sont-elles universelles ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles peuvent différer selon les laboratoires et les populations étudiées." } }, { "@type": "Question", "name": "Comment interpréter des résultats en dehors des valeurs de référence ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des résultats anormaux nécessitent une évaluation clinique pour déterminer leur signification." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer des valeurs anormales ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Fatigue, douleurs, changements de poids ou d'appétit peuvent signaler des anomalies." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours présents avec des valeurs anormales ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Non, certaines anomalies peuvent être asymptomatiques et découvertes par des tests." } }, { "@type": "Question", "name": "Comment les symptômes influencent-ils les valeurs de référence ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes peuvent indiquer des conditions sous-jacentes affectant les valeurs de référence." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon l'âge ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains symptômes peuvent être plus fréquents ou significatifs à différents âges." } }, { "@type": "Question", "name": "Les symptômes peuvent-ils masquer des anomalies ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des symptômes peuvent masquer des problèmes sous-jacents, rendant le diagnostic difficile." } }, { "@type": "Question", "name": "Comment les valeurs de référence aident-elles à la prévention ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Elles permettent d'identifier les risques et de mettre en place des mesures préventives." } }, { "@type": "Question", "name": "Quels examens préventifs se basent sur des valeurs de référence ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Les bilans de santé réguliers, les dépistages de maladies chroniques et les analyses sanguines." } }, { "@type": "Question", "name": "Les valeurs de référence changent-elles avec l'âge ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles évoluent avec l'âge, nécessitant des ajustements dans les examens préventifs." } }, { "@type": "Question", "name": "Comment maintenir des valeurs de référence normales ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Adopter un mode de vie sain, incluant une alimentation équilibrée et de l'exercice régulier." } }, { "@type": "Question", "name": "Les vaccinations influencent-elles les valeurs de référence ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines vaccinations peuvent aider à maintenir des valeurs de référence normales." } }, { "@type": "Question", "name": "Comment les traitements sont-ils ajustés selon les valeurs de référence ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements sont adaptés en fonction des résultats des tests et des valeurs de référence." } }, { "@type": "Question", "name": "Les valeurs de référence influencent-elles les médicaments prescrits ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles aident à déterminer les dosages et les types de médicaments appropriés." } }, { "@type": "Question", "name": "Quels traitements sont basés sur des valeurs de référence ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements pour le diabète, l'hypercholestérolémie et d'autres conditions en dépendent." } }, { "@type": "Question", "name": "Les traitements peuvent-ils normaliser les valeurs de référence ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un traitement efficace peut ramener les valeurs à la normale et améliorer la santé." } }, { "@type": "Question", "name": "Comment les valeurs de référence guident-elles le suivi des traitements ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Elles permettent d'évaluer l'efficacité des traitements et d'ajuster les stratégies si nécessaire." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des valeurs anormales ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des maladies cardiovasculaires, diabète ou insuffisance rénale peuvent survenir." } }, { "@type": "Question", "name": "Les valeurs de référence anormales sont-elles toujours graves ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Pas toujours, mais elles peuvent indiquer des problèmes de santé nécessitant une attention." } }, { "@type": "Question", "name": "Comment prévenir les complications liées aux valeurs anormales ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi régulier et des ajustements de traitement peuvent aider à prévenir les complications." } }, { "@type": "Question", "name": "Les complications peuvent-elles être asymptomatiques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines complications peuvent ne pas présenter de symptômes jusqu'à un stade avancé." } }, { "@type": "Question", "name": "Comment évaluer le risque de complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "L'évaluation se fait par des tests réguliers et l'analyse des valeurs de référence." } }, { "@type": "Question", "name": "Quels facteurs de risque influencent les valeurs de référence ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'alimentation, l'activité physique, le tabagisme et l'hérédité influencent les valeurs." } }, { "@type": "Question", "name": "Les facteurs de risque varient-ils selon les populations ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les facteurs de risque peuvent varier selon l'origine ethnique et les conditions socio-économiques." } }, { "@type": "Question", "name": "Comment réduire les facteurs de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Adopter un mode de vie sain, éviter le tabac et faire des examens réguliers peut aider." } }, { "@type": "Question", "name": "Les facteurs de risque peuvent-ils être modifiables ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des facteurs comme l'alimentation et l'exercice sont modifiables et influencent la santé." } }, { "@type": "Question", "name": "Comment les antécédents familiaux affectent-ils les valeurs de référence ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents familiaux de maladies peuvent augmenter le risque et influencer les valeurs." } } ] } ] }

Sources (10000 au total)

Cardiorespiratory Fitness in Individuals Post-stroke: Reference Values and Determinants.

To provide reference values of cardiorespiratory fitness for individuals post-stroke in clinical rehabilitation and to gain insight in characteristics related to cardiorespiratory fitness post stroke.... A retrospective cohort study. Reference equations of cardiopulmonary fitness corrected for age and sex for the fifth, 25th, 50th, 75th, and 95th percentile were constructed with quantile regression an... Clinical rehabilitation center.... Individuals post-stroke who performed a cardiopulmonary exercise test as part of clinical rehabilitation between July 2015 and May 2021 (N=405).... Cardiorespiratory fitness in terms of peak oxygen uptake (V˙O... References equations for cardiorespiratory fitness stratified by sex and age were provided based on 405 individuals post-stroke. Median V˙O... Population specific reference values of cardiorespiratory fitness for individuals post-stroke corrected for age and sex were presented. These can give individuals post-stroke and health care providers...

Establishment and validation of reference values for abdominal skeletal muscle compartments in children.

Sarcopenia, resulting from skeletal muscle loss, is a serious concern in children, for whom nutrition and physical activity are essential for growth. In sarcopenia research, the skeletal muscle mass i... We conducted a single-centre, retrospective, cross-sectional study and included patients aged 1-17 years who underwent abdominal CT at Chiba University Hospital from 2007 to 2020. Patients with chroni... We analysed the abdominal CT images of 593 children (male: n = 335, female: n = 258) and generated curves predictive for the 5th, 25th, 50th, 75th, and 95th percentiles for each compartment of aSMA by... We generated quantile regression curves for three aSMA compartments obtained from cross-sectional CT images and established reference values in children. PSMA values were most strongly correlated with...

Hungarian PROMIS-29+2: psychometric properties and population reference values.

This study aims to assess psychometric properties of the Hungarian PROMIS-29+2 profile measure and provide general population reference values for Hungary.... An adult general population sample (n = 1700) completed PROMIS-29+2 v2.1 in an online survey. The following psychometric properties were assessed: floor and ceiling effect, convergent validity with SF... Depending on scale orientation, high floor or ceiling effects were observed for all domains (25.2-60.7%) except for sleep disturbance. McDonald's omega for domains ranged from 0.87-0.97. Unidimensiona... The Hungarian PROMIS-29+2 shows satisfactory psychometric properties; however, the sleep disturbance domain substantially underperforms that requires further attention. Population reference values wer...

Physical performance reference values for Japanese oldest old: a SONIC study.

The oldest old, defined as those aged 90 or over, is now the fastest-growing population sector. This study aimed to determine reference values for several physical performance measures (PPMs) among 90... We used the Septuagenarians, Octogenarians, and Nonagenarians Investigation with Centenarians (SONIC) study data from 2010 to 2018. The study subjects were 70, 80, and 90-year-olds in the target area ... The simple mean ± standard deviation (SD) for the 90-year-old respondents were in men, 24.1 ± 5.4 kg in hand grip strength, 0.80 ± 0.22 m/s in usual gait speed, 17.2 ± 6.73 s in 5times chair stand, 5.... Our study yielded inclusive sex-specific reference values and appraisal standards for major physical performance measures not certified as requiring long-term care, community-dwelling, oldest old Japa...

Reference values for respiratory sinusoidal oscillometry in children aged 3 to 17 years.

New oscillometry devices allowing quantification of respiratory function using tidal breathing are commercially available, but reference equations are lacking for the multiethnic Canadian pediatric po... We conducted a prospective cross-sectional study of healthy children carefully selected for absence of asthma, atopy, tobacco smoke, obesity, prematurity, and recent respiratory infection. Triplicate ... Of 306 children randomized, valid and reproducible results on ≥1 signal were obtained in 299 (98%) multiethnic (69% Caucasians: 8% Black: 23% Others) children aged 3-17 years, 91-189 cm tall. Standing... Valid reproducible oscillometry measurements are highly feasible in children aged 3 years and older. Device-specific reference equations, valid for our multiethnic population, are derived....

Reference values and influencing factors of the glenohumeral subluxation index: a study on 3004 participants.

The primary objective of this study was to examine the glenohumeral subluxation index (GHSI) in a large general population cohort and to define reference values. Glenohumeral subluxation is important ... GHSI according to Walch was measured on bilateral magnetic resonance imaging of 3004 participants of the Study of Health in Pomerania (SHIP, aged 21-90 years). SHIP drew a sample of the adult general ... A reference range between 42% and 55% for men with a mean of 49% ± 4% was defined, while the upper reference limit for women was 1% higher (mean, 50% ± 4%). Age was inversely associated with the GHSI ... The reference values for GHSI were expanded to a range of 42%-57% on magnetic resonance imaging. Several associations between GHSI and anthropometric properties are present. According to these associa...

Reference range for cerebrospinal fluid values in neonates: 5-year retrospective study.

Cerebro spinal fluid (CSF) parameters (white blood cell count, protein, glucose) in the diagnosis of neonatal bacterial meningitis.... To report the reference range of CSF parameters (white blood cell count, protein, glucose) in both term and preterm infants.... This was a single center retrospective study over a period of 5 years (2015-2020). We included infants aged 0-3 months admitted to the neonatal unit and infants ≤28 days attending pediatric acute care... We identified a total of 518 CSF samples, with 232 CSF samples available for final analysis. 54% of excluded samples were traumatic. Median birth gestation and birth weight of the study cohort were 38... We have provided a reference range of CSF parameters in neonates without meningitis. CSF WBC count between preterm and term infants were similar with higher CSF protein content in preterm infants and ...

Sex hormone binding globulin: The importance of establishing sex-based reference values.

Assay of sex hormone binding globulin (SHBG), the main carrier protein for sexual steroids, is prescribed mainly by endocrinologists and performed in specialized laboratories. This study aimed to eval... One hundred and forty sera were used to assess the analytic performance of the IDS kit. The coefficients of variation (CV%) for within- and between-run precision were calculated. The reference values ... The new kit correlated strongly with the reference technique (R... The performance of the IDS kit met the current recommendations and correlated strongly with the Cisbio method. The calculation of new sex-based reference values was needed to correctly classify patien...