Titre : Substances humiques

Substances humiques : Questions médicales fréquentes

Termes MeSH sélectionnés :

Data Accuracy
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indicateurs de santé des sols sont liés aux substances humiques ?\nComment évaluer l'impact des substances humiques sur la santé des plantes ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Substances humiques", "description": "Quels symptômes indiquent un manque de substances humiques dans le sol ?\nLes substances humiques affectent-elles la qualité de l'eau ?\nComment les substances humiques influencent-elles la santé des sols ?\nQuels effets les substances humiques ont-elles sur les cultures ?\nLes substances humiques peuvent-elles causer des symptômes chez l'homme ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Substances humiques", "description": "Comment prévenir la dégradation des substances humiques dans le sol ?\nQuelles pratiques agricoles favorisent les substances humiques ?\nComment la gestion de l'eau influence-t-elle les substances humiques ?\nLes substances humiques peuvent-elles être protégées par des pratiques de conservation ?\nQuel rôle joue la biodiversité dans la préservation des substances humiques ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Substances humiques", "description": "Comment améliorer la teneur en substances humiques du sol ?\nQuels produits contiennent des substances humiques ?\nLes substances humiques peuvent-elles être utilisées en agriculture ?\nComment les substances humiques aident-elles à traiter les sols pollués ?\nLes substances humiques sont-elles utilisées en médecine ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Substances humiques", "description": "Quelles complications peuvent survenir avec une carence en substances humiques ?\nLes substances humiques peuvent-elles interagir avec des polluants ?\nComment une mauvaise gestion des substances humiques affecte-t-elle l'environnement ?\nLes substances humiques peuvent-elles causer des problèmes de santé ?\nQuels effets les substances humiques ont-elles sur les écosystèmes aquatiques ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Substances humiques", "description": "Quels facteurs augmentent la dégradation des substances humiques ?\nComment le changement climatique affecte-t-il les substances humiques ?\nQuels types de sols sont plus susceptibles de perdre des substances humiques ?\nL'utilisation de pesticides influence-t-elle les substances humiques ?\nQuels impacts des pratiques agricoles intensives sur les substances humiques ?", "url": "https://questionsmedicales.fr/mesh/D006812?mesh_terms=Data+Accuracy&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une carence en substances humiques ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur l'analyse des sols et des échantillons d'eau pour évaluer leur teneur en humiques." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour mesurer les substances humiques ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests chimiques et spectroscopiques, comme la spectroscopie UV-Vis, sont couramment utilisés." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles être mesurées dans le sang ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles sont principalement présentes dans le sol et l'eau, pas dans le sang humain." } }, { "@type": "Question", "name": "Quels indicateurs de santé des sols sont liés aux substances humiques ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "La biodiversité microbienne et la capacité de rétention d'eau sont des indicateurs clés." } }, { "@type": "Question", "name": "Comment évaluer l'impact des substances humiques sur la santé des plantes ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "On évalue la croissance des plantes et leur résistance aux maladies en fonction de leur teneur en humiques." } }, { "@type": "Question", "name": "Quels symptômes indiquent un manque de substances humiques dans le sol ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes incluent une croissance réduite des plantes et une mauvaise rétention d'eau." } }, { "@type": "Question", "name": "Les substances humiques affectent-elles la qualité de l'eau ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles améliorent la qualité de l'eau en réduisant la toxicité et en favorisant la filtration." } }, { "@type": "Question", "name": "Comment les substances humiques influencent-elles la santé des sols ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Elles améliorent la structure du sol, augmentent la fertilité et favorisent la biodiversité." } }, { "@type": "Question", "name": "Quels effets les substances humiques ont-elles sur les cultures ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Elles augmentent le rendement des cultures et améliorent leur résistance aux stress environnementaux." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles causer des symptômes chez l'homme ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles ne sont pas toxiques pour l'homme et n'entraînent pas de symptômes directs." } }, { "@type": "Question", "name": "Comment prévenir la dégradation des substances humiques dans le sol ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Pratiquer une agriculture durable et éviter l'érosion du sol aide à préserver les humiques." } }, { "@type": "Question", "name": "Quelles pratiques agricoles favorisent les substances humiques ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "La rotation des cultures et l'utilisation de cultures de couverture favorisent leur accumulation." } }, { "@type": "Question", "name": "Comment la gestion de l'eau influence-t-elle les substances humiques ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Une gestion adéquate de l'eau prévient le lessivage des humiques et maintient leur concentration." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles être protégées par des pratiques de conservation ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les pratiques de conservation comme le paillage aident à maintenir leur niveau dans le sol." } }, { "@type": "Question", "name": "Quel rôle joue la biodiversité dans la préservation des substances humiques ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Une biodiversité riche favorise la décomposition et la formation de substances humiques dans le sol." } }, { "@type": "Question", "name": "Comment améliorer la teneur en substances humiques du sol ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "L'ajout de compost, de fumier ou d'amendements organiques enrichit le sol en humiques." } }, { "@type": "Question", "name": "Quels produits contiennent des substances humiques ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des extraits de tourbe, de lignite et des produits à base de compost en contiennent." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles être utilisées en agriculture ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont utilisées comme amendements pour améliorer la fertilité et la structure du sol." } }, { "@type": "Question", "name": "Comment les substances humiques aident-elles à traiter les sols pollués ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent immobiliser les contaminants et améliorer la dégradation des polluants." } }, { "@type": "Question", "name": "Les substances humiques sont-elles utilisées en médecine ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont explorées pour leurs propriétés antioxydantes et anti-inflammatoires, mais pas encore validées." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une carence en substances humiques ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Une carence peut entraîner une baisse de la fertilité du sol et des rendements agricoles." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles interagir avec des polluants ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent se lier à des polluants, réduisant leur biodisponibilité et leur toxicité." } }, { "@type": "Question", "name": "Comment une mauvaise gestion des substances humiques affecte-t-elle l'environnement ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut entraîner une dégradation des sols, une perte de biodiversité et une pollution de l'eau." } }, { "@type": "Question", "name": "Les substances humiques peuvent-elles causer des problèmes de santé ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles ne sont pas considérées comme nocives pour la santé humaine lorsqu'elles sont utilisées correctement." } }, { "@type": "Question", "name": "Quels effets les substances humiques ont-elles sur les écosystèmes aquatiques ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent améliorer la qualité de l'eau et soutenir la vie aquatique en réduisant la toxicité." } }, { "@type": "Question", "name": "Quels facteurs augmentent la dégradation des substances humiques ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'érosion, la surexploitation des sols et l'utilisation excessive de produits chimiques sont des facteurs clés." } }, { "@type": "Question", "name": "Comment le changement climatique affecte-t-il les substances humiques ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le changement climatique peut modifier la décomposition de la matière organique, affectant les humiques." } }, { "@type": "Question", "name": "Quels types de sols sont plus susceptibles de perdre des substances humiques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les sols sableux et ceux soumis à une forte érosion sont plus susceptibles de perdre des humiques." } }, { "@type": "Question", "name": "L'utilisation de pesticides influence-t-elle les substances humiques ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'utilisation excessive de pesticides peut nuire à la biodiversité et réduire les humiques." } }, { "@type": "Question", "name": "Quels impacts des pratiques agricoles intensives sur les substances humiques ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Elles entraînent une dégradation du sol et une diminution des substances humiques, affectant la fertilité." } } ] } ] }

Sources (10000 au total)

Optimizing data integration in trials that use EHR data: lessons learned from a multi-center randomized clinical trial.

Despite great promise, trials that ascertain patient clinical data from electronic health records (EHR), referred to here as "EHR-sourced" trials, are limited by uncertainty about how existing trial s... We describe a demonstration project that used EHR data to complement data collected for a contemporary multi-center pharmaceutical industry outcomes trial, and how a central coordinating center suppor... While broadening the type of sites able to participate in EHR-sourced trials may lead to greater generalizability and improved enrollment, sites with fewer technical resources may require additional s...

Initiatives, Concepts, and Implementation Practices of the Findable, Accessible, Interoperable, and Reusable Data Principles in Health Data Stewardship: Scoping Review.

Thorough data stewardship is a key enabler of comprehensive health research. Processes such as data collection, storage, access, sharing, and analytics require researchers to follow elaborate data man... This scoping review identifies and discusses concepts, approaches, implementation experiences, and lessons learned in FAIR initiatives in health research data.... The Arksey and O'Malley stage-based methodological framework for scoping reviews was applied. PubMed, Web of Science, and Google Scholar were searched to access relevant publications. Articles written... A total of 2.18% (34/1561) of the screened articles were included in the final review. The authors reported FAIRification approaches, which include interpolation, inclusion of comprehensive data dicti... This work summarises projects, tools, and workflows for the FAIRification of health research data. The comprehensive review shows that implementing the FAIR concept in health data stewardship carries ... RR2-10.2196/22505....

Data quality and autism: Issues and potential impacts.

Large healthcare datasets can provide insight that has the potential to improve outcomes for patients. However, it is important to understand the strengths and limitations of such datasets so that the... Data were extracted from the HES database for the period 1st April 2013 to 31st March 2021 for patients with a diagnosis of autism. First spells in hospital during the study period were identified for... Data were available for 172,324 unique patients who had been recorded as having an autism diagnosis on first admission. In total, 43.7 % of subsequent spells were found to have inconsistencies. The fe... Data inconsistencies in the HES database were relatively common in autistic patients and were associated a number of patient and hospital admission characteristics. Such inconsistencies have the poten...

The Detection of Date Shifting in Real-World Data.

Analysis of health care real-world data (RWD) provides an opportunity to observe the actual patient diagnostic, treatment, and outcome events. However, researchers should understand the possible limit... A methodology for detecting the presence of shifted dates in RWD was developed by considering various approaches to confirm the expected occurrences of medical events, including unique temporal occurr... Twenty-eight of the 71 HCOs analyzed were predicted by methodology and confirmed by their data providers to have shifted data. Likewise, 39 were predicted and confirmed to not have shifted data. With ... The presence of date shifting for U.S. HCOs may be reliably detected assessing whether the routine exams should always occur on weekdays....

Assessing the quality of emergency department data for injury surveillance in Victoria, Australia: a comparative analysis of two Victorian hospital data sources.

The emergency department (ED) is pivotal in treating serious injuries, making it a valuable source for population-based injury surveillance. In Victoria, information that is relevant to injury surveil... A retrospective observational study of administrative healthcare data.... VEMD and VAED data from July 2014 to June 2019 were compared. Including only hospitals contributing to both datasets, cases that (1) arrived at the ED and (2) were subsequently admitted, were selected... While the overall number of cases was similar, VAED outnumbered VEMD cases (414 630 vs 404 608), suggesting potential under-reporting of injuries in the ED. Age-related differences indicated a relativ... Injury cases were more numerous in the VAED than in the VEMD even though the number is expected to be equal based on case selection. Older patients were under-represented in the VEMD; this could partl...

Improving the Data Quality of Untargeted Metabolomics through a Targeted Data-Dependent Acquisition Based on an Inclusion List of Differential and Preidentified Ions.

Metabolomics based on high-resolution mass spectrometry has become a powerful technique in biomedical research. The development of various analytical tools and online libraries has promoted the identi...

Consistency as a Data Quality Measure for German Corona Consensus Items Mapped from National Pandemic Cohort Network Data Collections.

As a national effort to better understand the current pandemic, three cohorts collect sociodemographic and clinical data from coronavirus disease 2019 (COVID-19) patients from different target populat... The goal of this work is to assure high consistency of research data mapped to the GECCO data model. In particular, it aims at identifying contradictions within interdependent GECCO data items of the ... All suitable data items from each of the three NAPKON cohorts are mapped to the GECCO items. A consistency assessment tool (dqGecco) is implemented, following the design of an existing quality assessm... Our consistency assessment tool helped in correcting the mapping procedure and reveals remaining contradictory value combinations within COVID-19 symptoms, vital signs, and COVID-19 severity. Consiste... An efficient and portable tool capable of discovering inconsistencies in the COVID-19 domain has been developed and applied to three different cohorts. As the GECCO dataset is employed in different pl...

Routine use of DHIS2 data: a scoping review.

In regard to health service planning and delivery, the use of information at different levels in the health system is vital, ranging from the influencing of policy to the programming of action to the ... The five-stage approach of Arksey and O'Malley progressed by Levac et al. and Peters was followed. Three databases (PubMed, Web of Science and Embase) were searched, along with relevant conference pro... Overall, DHIS2 data are being used but there are few detailed descriptions of this usage in peer reviewed or grey literature. We find that, commonly, there exists a centralised versus decentralised pa... We conclude with some suggestions for a way forward, namely: i) the need to document in more detail and share how data are being used, ii) the need to investigate how data were created and who uses su...