Titre : Lactase

Lactase : Questions médicales fréquentes

Termes MeSH sélectionnés :

Reproducibility of Results
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sur Lactase", "description": "Comment diagnostiquer une intolérance au lactose ?\nQuels symptômes indiquent un déficit en lactase ?\nLes tests sanguins sont-ils utiles pour la lactase ?\nPeut-on utiliser une biopsie intestinale pour le diagnostic ?\nLes antécédents médicaux aident-ils au diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Lactase", "description": "Quels sont les principaux symptômes d'une intolérance au lactose ?\nLes symptômes apparaissent-ils immédiatement ?\nLes symptômes varient-ils d'une personne à l'autre ?\nPeut-on confondre ces symptômes avec d'autres maladies ?\nLes symptômes peuvent-ils s'aggraver avec l'âge ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Lactase", "description": "Comment prévenir les symptômes d'intolérance au lactose ?\nLes étiquettes alimentaires aident-elles à la prévention ?\nLes enfants peuvent-ils développer une intolérance au lactose ?\nLes tests de dépistage sont-ils recommandés ?\nLes habitudes alimentaires influencent-elles le risque ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Lactase", "description": "Quels traitements existent pour l'intolérance au lactose ?\nLes produits laitiers sans lactose sont-ils efficaces ?\nLes enzymes de lactase sont-elles disponibles en vente libre ?\nLe traitement peut-il inclure des changements alimentaires ?\nLes probiotiques peuvent-ils aider à la digestion du lactose ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Lactase", "description": "Quelles complications peuvent survenir avec l'intolérance au lactose ?\nL'intolérance au lactose peut-elle causer des problèmes digestifs graves ?\nPeut-elle affecter la qualité de vie ?\nLes complications psychologiques sont-elles possibles ?\nL'intolérance au lactose peut-elle entraîner des maladies secondaires ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Lactase", "description": "Quels sont les facteurs de risque de l'intolérance au lactose ?\nL'origine ethnique influence-t-elle le risque ?\nLes antécédents médicaux jouent-ils un rôle ?\nLes enfants sont-ils plus à risque ?\nLe mode de vie influence-t-il le risque d'intolérance ?", "url": "https://questionsmedicales.fr/mesh/D043322?mesh_terms=Reproducibility+of+Results&page=1000#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une intolérance au lactose ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un test de tolérance au lactose ou un test respiratoire à l'hydrogène peut être effectué." } }, { "@type": "Question", "name": "Quels symptômes indiquent un déficit en lactase ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent ballonnements, diarrhée, et douleurs abdominales après ingestion de lactose." } }, { "@type": "Question", "name": "Les tests sanguins sont-ils utiles pour la lactase ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, les tests sanguins ne mesurent pas directement l'activité de la lactase." } }, { "@type": "Question", "name": "Peut-on utiliser une biopsie intestinale pour le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une biopsie peut confirmer la présence de lactase dans l'intestin grêle." } }, { "@type": "Question", "name": "Les antécédents médicaux aident-ils au diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antécédents de symptômes après consommation de produits laitiers sont utiles." } }, { "@type": "Question", "name": "Quels sont les principaux symptômes d'une intolérance au lactose ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les principaux symptômes incluent des douleurs abdominales, des gaz et des diarrhées." } }, { "@type": "Question", "name": "Les symptômes apparaissent-ils immédiatement ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent apparaître 30 minutes à 2 heures après ingestion de lactose." } }, { "@type": "Question", "name": "Les symptômes varient-ils d'une personne à l'autre ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la gravité des symptômes varie selon la quantité de lactase présente." } }, { "@type": "Question", "name": "Peut-on confondre ces symptômes avec d'autres maladies ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent être similaires à ceux du syndrome du côlon irritable." } }, { "@type": "Question", "name": "Les symptômes peuvent-ils s'aggraver avec l'âge ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la production de lactase peut diminuer avec l'âge, aggravant les symptômes." } }, { "@type": "Question", "name": "Comment prévenir les symptômes d'intolérance au lactose ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les produits laitiers ou consommez des produits sans lactose pour prévenir les symptômes." } }, { "@type": "Question", "name": "Les étiquettes alimentaires aident-elles à la prévention ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, lire les étiquettes aide à identifier les produits contenant du lactose." } }, { "@type": "Question", "name": "Les enfants peuvent-ils développer une intolérance au lactose ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains enfants peuvent développer une intolérance au lactose en grandissant." } }, { "@type": "Question", "name": "Les tests de dépistage sont-ils recommandés ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de dépistage peuvent être recommandés pour les personnes à risque." } }, { "@type": "Question", "name": "Les habitudes alimentaires influencent-elles le risque ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une consommation excessive de lactose peut augmenter le risque d'intolérance." } }, { "@type": "Question", "name": "Quels traitements existent pour l'intolérance au lactose ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent l'évitement des produits laitiers et des suppléments de lactase." } }, { "@type": "Question", "name": "Les produits laitiers sans lactose sont-ils efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les produits laitiers sans lactose sont une bonne alternative pour les intolérants." } }, { "@type": "Question", "name": "Les enzymes de lactase sont-elles disponibles en vente libre ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des suppléments de lactase sont disponibles en pharmacie pour aider à la digestion." } }, { "@type": "Question", "name": "Le traitement peut-il inclure des changements alimentaires ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un régime pauvre en lactose peut aider à gérer les symptômes." } }, { "@type": "Question", "name": "Les probiotiques peuvent-ils aider à la digestion du lactose ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Certaines études suggèrent que les probiotiques peuvent améliorer la digestion du lactose." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec l'intolérance au lactose ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des carences nutritionnelles dues à l'évitement des produits laitiers." } }, { "@type": "Question", "name": "L'intolérance au lactose peut-elle causer des problèmes digestifs graves ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "En général, elle ne cause pas de problèmes digestifs graves, mais peut être inconfortable." } }, { "@type": "Question", "name": "Peut-elle affecter la qualité de vie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'intolérance au lactose peut affecter la qualité de vie en limitant les choix alimentaires." } }, { "@type": "Question", "name": "Les complications psychologiques sont-elles possibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'anxiété liée à l'alimentation peut survenir chez certaines personnes intolérantes." } }, { "@type": "Question", "name": "L'intolérance au lactose peut-elle entraîner des maladies secondaires ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Non, elle ne cause pas de maladies secondaires, mais peut aggraver d'autres conditions digestives." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque de l'intolérance au lactose ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, l'origine ethnique et des antécédents familiaux d'intolérance." } }, { "@type": "Question", "name": "L'origine ethnique influence-t-elle le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines ethnies, comme les Asiatiques et les Africains, ont un risque plus élevé." } }, { "@type": "Question", "name": "Les antécédents médicaux jouent-ils un rôle ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de maladies intestinales peuvent augmenter le risque d'intolérance." } }, { "@type": "Question", "name": "Les enfants sont-ils plus à risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Les enfants peuvent développer une intolérance, mais cela dépend de leur génétique." } }, { "@type": "Question", "name": "Le mode de vie influence-t-il le risque d'intolérance ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un mode de vie avec une alimentation riche en lactose peut augmenter le risque." } } ] } ] }

Sources (10000 au total)

[Validation of a Dispositional Hope Scale for Chilean children and adolescents].

According to Snyder's theory, hope is defined as a dispositional attribute consisting of two dimensions, agency and pathway thinking. This construct has been widely studied because of its association ... To assess the psychometric properties of the Dispositional Hope Scale for Chilean children and adolescents (NNA, for its acronym in Spanish).... The study was conducted on 331 NNA, aged 10 to 20 years, from different educational centers in the country. Reliability was tested with Cronbach's alpha coefficient. In addition, one-factor vs two-fac... The scale showed a Cronbach's alpha coefficient of 0.89 and an adequate fit to the two-factor model, keeping the original structure proposed by Snyder et al. It is negatively related to depressive sym... The NNA Hope Scale shows appropriate psychometric properties for its use on Chilean NNA population....

Automatic electronic reporting improved the completeness of AMI and stroke incident surveillance in Tianjin, China: a modeling study.

AMI and stroke are the leading causes of premature mortality and hospitalizations in China. Incidence data at the population level for the two diseases is limited and the reliability and completeness ... We applied the DisMod II program to model the incidence of AMI and stroke from other epidemiological indicators. Inputs include mortality rates from Tianjin's mortality surveillance system, and the po... The age and sex standardized modeled incidence per 100,000 person-year decreased (p < 0.0001) from 138 in 2007 to 119 in 2015 for AMI and increased (p < 0.0001) from 520 in 2007 to 534 in 2015 for str... Completeness of AMI and stroke incidence surveillance was low in Tianjin but has improved in recent years primarily owing to the incorporation of an automatic reporting component into the information ...

The usefulness of preoperative CT in colon cancer staging: impact of radiologists' experience.

To assess the agreement between radiologists in the detection of specific features related to T- and N-stage and evaluate accuracy in colon cancer staging.... Patients who underwent contrast-enhanced computed tomography (CECT) before surgery were enrolled and evaluated by three radiologists with different experience. Pathological data were used as the refer... Seventy five patients were evaluated. The reliability analysis was moderate to substantial for tumor location (κ = 0.853), T staging (κ = 0.531), tumor bulging (κ = 0.478), fat stranding (κ = 0.490), ... Reader's experience is one of the most important factors associated with the correct classification of colon cancer. Moreover, CECT can help depict radiological features independently associated with ...

[Psychometric Evaluation of a Single-Item-Screener for Sleep Disturbances].

Sleep disturbances are one of the most prevalent health complaints in the general population. Thus, the need for validated screening instruments and prevention measures is high. The aim of the current... Data from Saxony Longitudinal Study (SLS) is being analyzed. Based on data of 32nd wave (n=321, 172 women, 149 men, M age=48.42, SD=0.64), the G-Score Item #3 ("Have you had the following complaints i... Retestreliability for the G-Score Item #3 is 0.70 (p<0.001). Correlation with the Jenkins Sleep Scale (JSS) was r=0.79 (p<0.01). The area under the curve (AUC) is 0.92, providing evidence for a very g... This study provides evidence for the use of the G-Score Item #3 as a screening instrument for sleep disturbances by showing good psychometric properties and brevity....

Translation and cross-cultural adaptation of the Gynecologic Cancer Lymphedema Questionnaire and the Lower Extremity Lymphedema Screening Questionnaire.

There is a paucity of international data regarding self-reported lower extremity lymphedema and quality of life after surgery for gynecological cancer. Validated questionnaires are emerging, but trans... To translate and culturally adapt the Gynecologic Cancer Lymphedema Questionnaire and the Lower Extremity Lymphedema Screening Questionnaire for a Norwegian population.... Permission to use the original English versions of the Gynecologic Cancer Lymphedema Questionnaire and the Lower Extremity Lymphedema Screening Questionnaire for translation was obtained. The question... Twelve patients completed the questionnaires twice. Cronbach's alpha was 0.75 for the Gynecologic Cancer Lymphedema Questionnaire and 0.89 for the Lower Extremity Lymphedema Screening Questionnaire. T... Translation and cross-cultural adaptation of these internationally validated patient-reported outcomes questionnaires for survivors of lower extremity lymphedema in gynecological cancer was feasible. ...

Nurses' Work Methods Assessment Scale: a study of content validation.

To develop and validate the content of the Nurses' Work Methods Assessment Scale.... Methodological study conducted between January and February 2022, based on the Quality Standards for Nursing Care and Imogene King's framework. A literature review was previously undertaken to design ... The initial version consisted of 40 items organized in four work methods identified in the literature. In the first dimension, from ten items, seven were considered, and one was reformulated. Seven of... The involvement of experts has become pivotal in the development and validation of the items, providing confidence to the continuity of psychometric procedures....

Automatable end-of-life screening for older adults in the emergency department using electronic health records.

Emergency department (ED) visits are common at the end-of-life, but the identification of patients with life-limiting illness remains a key challenge in providing timely and resource-sensitive advance... This was a retrospective, observational cohort study of ED visits from adults aged ≥65 years who visited any of 9 EDs across a large regional health system between 2014 and 2019. Multivariable logisti... A total of 431,179 encounters by 123,128 adults were included in this study with a 6-month mortality rate of 12.2%. Charlson (AUROC (95% CI): 0.65 (0.64-0.69)) and Elixhauser indices (0.69 (0.68-0.70)... Prognostic models using EHR data robustly identify high mortality risk older adults in the ED for whom code status, ACP, or palliative care interventions may be of benefit. Although all tested methods...

Performance validity tests in nonlitigant patients with functional motor disorder.

Performance validity tests (PVTs) are used in neuropsychological assessments to detect patterns of performance suggesting that the broader evaluation may be an invalid reflection of an individual's ab... We enrolled 29 nonlitigant, non-compensation-seeking patients with a clinical diagnosis of FMD, 29 healthy controls, and 29 healthy simulators. Three PVTs, the Coin in the Hand Test (CIH), the Rey 15-... Functional motor disorder patients showed low rates of failure on the CIH and REY (7% and 10%, respectively) and slightly higher rates on the FTT (15%, n = 26), which implies a motor task. Their perfo... Performance validity test performance of nonlitigant, non-compensation-seeking patients with FMD ranged from 7% to 15%. Patients' performance was comparable to that of controls and significantly diffe...