Comment identifier les plantes de la famille Boraginaceae ?

Les Boraginaceae se caractérisent par des fleurs en grappes et des feuilles alternées.

Quels tests pour évaluer l'efficacité des Boraginaceae ?

Des études cliniques et des tests in vitro sont utilisés pour évaluer leur efficacité.

Y a-t-il des critères spécifiques pour le diagnostic ?

Le diagnostic repose sur l'identification botanique et l'analyse des propriétés médicinales.

Comment distinguer les Boraginaceae des autres familles ?

L'observation des caractéristiques florales et des feuilles aide à la distinction.

Quels outils pour identifier les Boraginaceae ?

Des guides botaniques et des applications de reconnaissance de plantes sont utiles.

Quels symptômes sont associés à l'utilisation des Boraginaceae ?

Des réactions allergiques, des troubles gastro-intestinaux ou des effets secondaires peuvent survenir.

Les Boraginaceae provoquent-elles des effets indésirables ?

Oui, certaines espèces peuvent causer des effets indésirables comme des nausées.

Quels symptômes d'intoxication peuvent survenir ?

Des symptômes tels que des vomissements, des douleurs abdominales peuvent apparaître.

Comment reconnaître une réaction allergique aux Boraginaceae ?

Des démangeaisons, éruptions cutanées ou œdème peuvent indiquer une allergie.

Les Boraginaceae peuvent-elles causer des troubles respiratoires ?

Oui, des troubles respiratoires peuvent survenir en cas d'allergie ou d'intoxication.

Comment éviter les effets indésirables des Boraginaceae ?

Il est conseillé de commencer par de faibles doses et de surveiller les réactions.

Quelles précautions prendre avant d'utiliser des Boraginaceae ?

Consulter un professionnel de santé avant utilisation, surtout en cas de maladies préexistantes.

Les Boraginaceae peuvent-elles interagir avec d'autres médicaments ?

Oui, elles peuvent interagir avec certains médicaments, il est donc important de vérifier.

Comment stocker les préparations à base de Boraginaceae ?

Conserver dans un endroit frais et sec, à l'abri de la lumière pour préserver l'efficacité.

Y a-t-il des recommandations pour l'utilisation des Boraginaceae ?

Suivre les recommandations d'un professionnel de santé et respecter les dosages conseillés.

Comment les Boraginaceae sont-elles utilisées en médecine ?

Elles sont utilisées pour traiter des inflammations, des douleurs et des troubles cutanés.

Quels remèdes à base de Boraginaceae existent ?

Des infusions, des pommades et des extraits sont couramment utilisés.

Les Boraginaceae sont-elles efficaces contre l'inflammation ?

Certaines études montrent qu'elles peuvent réduire l'inflammation et la douleur.

Comment préparer un remède à base de Boraginaceae ?

Les feuilles peuvent être infusées ou utilisées en cataplasme pour des applications topiques.

Y a-t-il des contre-indications pour les traitements à base de Boraginaceae ?

Oui, certaines personnes, comme les femmes enceintes, doivent éviter leur utilisation.

Quelles complications peuvent survenir avec les Boraginaceae ?

Des complications comme des allergies sévères ou des troubles gastro-intestinaux peuvent survenir.

Les Boraginaceae peuvent-elles causer des problèmes hépatiques ?

Certaines espèces contiennent des composés toxiques pouvant affecter le foie.

Comment gérer une réaction allergique aux Boraginaceae ?

Cesser l'utilisation immédiatement et consulter un médecin si les symptômes persistent.

Y a-t-il des risques d'intoxication avec les Boraginaceae ?

Oui, une consommation excessive peut entraîner des symptômes d'intoxication.

Les Boraginaceae peuvent-elles aggraver des maladies existantes ?

Elles peuvent aggraver certaines conditions, comme les maladies hépatiques ou rénales.

Qui est à risque d'allergies aux Boraginaceae ?

Les personnes ayant des antécédents d'allergies aux plantes sont plus à risque.

Les femmes enceintes doivent-elles éviter les Boraginaceae ?

Oui, il est recommandé qu'elles évitent leur utilisation en raison de risques potentiels.

Quels facteurs augmentent le risque d'intoxication ?

Une consommation excessive ou l'utilisation de préparations non contrôlées augmentent le risque.

Les personnes âgées sont-elles plus vulnérables ?

Oui, elles peuvent être plus sensibles aux effets indésirables des Boraginaceae.

Y a-t-il des risques pour les personnes atteintes de maladies chroniques ?

Oui, les personnes atteintes de maladies chroniques doivent être prudentes avec leur utilisation.

Boraginaceae - Informations médicales vérifiées

Proton arc therapy increases the benefit of proton therapy for oropharyngeal cancer patients in the model based clinic.

07 2023

DOI: 10.1016/j.radonc.2023.109670 PMID: 37059337

In the model-based approach, patients qualify for proton therapy when the reduction in risk of toxicity (ΔNTCP) obtained with IMPT relative to VMAT is larger than predefined thresholds as defined by t... A prospective cohort of 223 OPC patients subjected to the model-based selection procedure was investigated. 33 (15%) patients were considered unsuitable for proton treatment before plan comparison. Wh... PAT plans provided better or similar target coverage compared to IMPT plans. In the PAT plans, integral dose was significantly reduced by 18% relative to IMPT plans and by 54% relative to VMAT plans. ... PAT outperforms IMPT and VMAT, leading to a further reduction of NTCP-values and higher ΔNTCP-values, significantly increasing the percentage of OPC patients selected for proton therapy....

Oropharyngeal Neoplasms Proton Therapy Humans Prospective Studies Organs at Risk +1 autres

Analysis of Early Outcomes of Pencil Beam Proton Therapy Compared with Passive Scattering Proton Therapy for Clival Chordoma.

Mar 2023

DOI: 10.1016/j.wneu.2022.12.081 PMID: 36563848

To assess the early outcomes of the following 2 types of proton therapy: passive scattering proton therapy (PSPT) and pencil beam proton therapy (PBPT).... The consecutive patients who had surgery in our facility were retrospectively reviewed.... Thirty-two patients were identified (PBPT 22 patients [69%]). The mean (±standard deviation [SD]) tumor size was 3.8 ± 1.8 cm, and the most common location was the upper clivus (41%). Four cases (13%)... The PBPT group showed comparable outcome to the PSPT group. The degree of resection was more important than the modality of proton therapy. Further follow-up and cases are necessary to evaluate the be...

Humans Chordoma Proton Therapy Retrospective Studies Skull Base Neoplasms +2 autres

A Novel Ultrahigh-Dose-Rate Proton Therapy Technology: Spot-Scanning Proton Arc Therapy + FLASH (SPLASH).

01 11 2023

DOI: 10.1016/j.ijrobp.2023.05.012 PMID: 37196836

To take full advantage of FLASH dose rate (40 Gy/s) and high-dose conformity, we introduce a novel optimization and delivery technique, the spot-scanning proton arc therapy (SPArc) + FLASH (SPLASH).... SPLASH framework was implemented in an open-source proton planning platform (MatRad, Department of Medical Physics in Radiation Oncology, German Cancer Research Center). It optimizes with the clinical... SPLASH/SPArc could offer superior plan quality over IMPT in terms of dose conformity. The dose-rate-volume histogram results indicated SPLASH could significantly improve V... SPLASH offers the first voxel-based ultradose-rate and high-dose conformity treatment using proton beam therapy. Such a technique has the potential to fit the needs of a broad range of disease sites a...

Male Humans Proton Therapy Protons Radiotherapy Dosage +3 autres

Radiation shielding assessment of high-energy proton imaging at a proton therapy facility.

Aug 2022

DOI: 10.1002/mp.15727 PMID: 35611603

Proton imaging makes use of high-energy, low-intensity proton beams that fully traverse the patient and has been suggested to reduce range uncertainty in proton therapy. Upright patient positioning wi... The purpose of this work was to determine whether proton treatment and imaging with an upright patient positioning system on a fixed beamline were acceptable from a radiation shielding perspective. Th... The Geant4 Monte Carlo toolkit was used for the radiation shielding assessment. The calculations consisted of the generation of secondary particle phase-space files by simulating the passage of high-e... The total yields of pions from a 330-MeV proton beam were many orders of magnitude less than that of neutrons and photons. Three-dimensional maps of ambient dose rate for a 330-MeV proton beam showed ... Pion production has a negligible impact on the radiation shielding of proton imaging at 330 MeV relative to neutron and photon production. Radiation shielding designed for proton therapy is adequate f...

Humans Monte Carlo Method Neutrons Proton Therapy Protons +3 autres

Adjustable shunts and proton therapy: a magnetic combination.

08 2023

DOI: 10.1007/s00381-023-05984-3 PMID: 37162522

Due to evidence for proton beam therapy (PBT) in pediatric central nervous system (CNS) tumors, compact proton therapy systems became commercially available to allow better integration in a hospital s... In the first five CNS tumor patients with adjustable shunts who underwent PBT, the shunt setting was controlled before, during, and after treatment with PBT. Additionally, we used an ex vivo adjustabl... We did not observe unintentional changes in shunt settings in vivo during treatment. In ex vivo testing, the shunt settings were altered directly cranial to the exit window of PBT due to the magnetic ... Although we did not observe any shunt setting alteration during PBT in this small cohort, caution is warranted. Given the lack of high-volume data, there should be a low threshold for checking the shu...

Child Humans Proton Therapy Cerebrospinal Fluid Shunts Magnetic Fields +2 autres

Ocular proton therapy, pencil beam scanning high energy proton therapy or stereotactic radiotherapy for uveal melanoma; an in silico study.

Nov 2022

DOI: 10.1016/j.canrad.2022.03.003 PMID: 35803862

In radiotherapy, the dose and volumes of the irradiated normal tissues is correlated to the complication rate. We assessed the performances of low-energy proton therapy (ocular PT) with eye-dedicated ... CT-based comparative dose distribution between external beam radiotherapy techniques was assessed using an anthropomorphic head phantom. The prescribed dose was 60Gy_RBE in 4 fractions to a typical po... Precision was significantly better with ocular PT than both PBS or SBRT in terms of beam penumbra (80%-20%: laterally 1.4 vs. ≥10mm, distally 0.8 vs. ≥2.5mm). Ocular PT duration was shorter, allowing ... ocular PT showed significantly improved beam penumbra, shorter treatment delivery time, better dose homogeneity, and reduced maximal/mean doses to critical ocular structures compared with other curren...

Humans Proton Therapy Radiosurgery Protons Uveal Neoplasms +2 autres

Sharp dose profiles for high precision proton therapy using strongly focused proton beams.

07 11 2022

DOI: 10.1038/s41598-022-22677-0 PMID: 36344543

The main objective of radiotherapy is to exploit the curative potential of ionizing radiation while inflicting minimal radiation-induced damage to healthy tissue and sensitive organs. Proton beam ther...

Proton Therapy Protons Monte Carlo Method Particle Accelerators Radioactivity +1 autres

Clues to address barriers for access to proton therapy in the Netherlands.

01 2023

DOI: 10.1016/j.radonc.2022.11.021 PMID: 36464178

The Netherlands has National Indication Protocols on proton therapy (PT) to select patients who benefit most from PT. However, referrals to proton therapy centres (PTCs) are lagging. The objective of ... We conducted a nationwide survey among radiation oncologists (ROs), and semi- structured in-depth interviews with ROs and patients. Subsequently, four workshops were held, in which ROs from one PTC an... The most prominent barriers mentioned by ROs were patient selection, poor logistics, and logistical worries about the combination of radiation treatment with chemotherapy. Patients pointed out the ine... Barriers for access to PT were identified and prioritized in the inter-organisational care- pathway of proton therapy patients in The Netherlands. Innovative solutions were co- designed to solve the b...

Humans Proton Therapy Netherlands Reactive Oxygen Species

30 years of ocular proton therapy, the Nice view.

Nov 2022

DOI: 10.1016/j.canrad.2022.03.004 PMID: 35803860

Radiotherapy with protons (PT) is a standard treatment of ocular tumors. It achieves excellent tumor control, limited toxicities, and the preservation of important functional outcomes, such as vision.... MEDICYC PT facility of Nice are detailed with respect to their technical, dosimetric, microdosimetric and radiobiological, patient and tumor-customization process of PT planning and delivery that are ... Although demanding, dedicated ocular PT has proven its efficiency in achieving excellent tumor control, OAR sparing and patient radioprotection. It is therefore worth adaptations of the equipments and... Some of these adaptations can be transferred to other PT centers and should be acknowledeged when using non-PT options....

Humans Proton Therapy Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Eye +2 autres

Improved simultaneous LET and dose measurements in proton therapy.

18 05 2022

DOI: 10.1038/s41598-022-10575-4 PMID: 35585205

The objective of this study was to improve the precision of linear energy transfer (LET) measurements using [Formula: see text] optically stimulated luminescence detectors (OSLDs) in proton beams, and...

Linear Energy Transfer Luminescence Proton Therapy Protons Radiometry

Boraginaceae : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Amsinckia

Borago

Consoude

Cordia

Echium

Eriodictyon

Heliotropium

Lithospermum

Pulmonaria

Auteurs principaux

Sources (10000 au total)