Titre : Double couche lipidique

Double couche lipidique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Cochlear Implantation
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Double couche lipidique : Questions médicales les plus fréquentes", "headline": "Double couche lipidique : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Double couche lipidique : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-02-21", "dateModified": "2025-02-15", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Double couche lipidique" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Membrane artificielle", "url": "https://questionsmedicales.fr/mesh/D008567", "about": { "@type": "MedicalCondition", "name": "Membrane artificielle", "code": { "@type": "MedicalCode", "code": "D008567", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "J01.637.087.500" } } }, "about": { "@type": "MedicalCondition", "name": "Double couche lipidique", "alternateName": "Lipid Bilayers", "code": { "@type": "MedicalCode", "code": "D008051", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "John F Nagle", "url": "https://questionsmedicales.fr/author/John%20F%20Nagle", "affiliation": { "@type": "Organization", "name": "Department of Physics , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States." } }, { "@type": "Person", "name": "Jinyoung Seo", "url": "https://questionsmedicales.fr/author/Jinyoung%20Seo", "affiliation": { "@type": "Organization", "name": "Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea." } }, { "@type": "Person", "name": "Sungi Kim", "url": "https://questionsmedicales.fr/author/Sungi%20Kim", "affiliation": { "@type": "Organization", "name": "Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea." } }, { "@type": "Person", "name": "Ha H Park", "url": "https://questionsmedicales.fr/author/Ha%20H%20Park", "affiliation": { "@type": "Organization", "name": "Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea." } }, { "@type": "Person", "name": "Jwa-Min Nam", "url": "https://questionsmedicales.fr/author/Jwa-Min%20Nam", "affiliation": { "@type": "Organization", "name": "Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Cochlear implantation in systemic autoimmune disease.", "datePublished": "2022-08-24", "url": "https://questionsmedicales.fr/article/36004773", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1097/MOO.0000000000000839" } }, { "@type": "ScholarlyArticle", "name": "Effect of Cochlear Implantation on Social Life.", "datePublished": "2023-12-12", "url": "https://questionsmedicales.fr/article/38082459", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1097/MAO.0000000000004068" } }, { "@type": "ScholarlyArticle", "name": "Assessing Patient Barriers to Cochlear Implantation.", "datePublished": "2022-10-03", "url": "https://questionsmedicales.fr/article/36190906", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1097/MAO.0000000000003702" } }, { "@type": "ScholarlyArticle", "name": "The feasibility of cochlear implantation in early infancy.", "datePublished": "2022-12-30", "url": "https://questionsmedicales.fr/article/36634570", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.ijporl.2022.111433" } }, { "@type": "ScholarlyArticle", "name": "Vestibular Preservation in Pediatric Cochlear Implantation.", "datePublished": "2023-08-16", "url": "https://questionsmedicales.fr/article/37584403", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1002/lary.30978" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Technologie, industrie et agriculture", "item": "https://questionsmedicales.fr/mesh/D013676" }, { "@type": "ListItem", "position": 3, "name": "Produits manufacturés", "item": "https://questionsmedicales.fr/mesh/D008420" }, { "@type": "ListItem", "position": 4, "name": "Matériaux biomimétiques", "item": "https://questionsmedicales.fr/mesh/D040761" }, { "@type": "ListItem", "position": 5, "name": "Membrane artificielle", "item": "https://questionsmedicales.fr/mesh/D008567" }, { "@type": "ListItem", "position": 6, "name": "Double couche lipidique", "item": "https://questionsmedicales.fr/mesh/D008051" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Double couche lipidique - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Double couche lipidique", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-15", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Double couche lipidique", "description": "Comment identifier une double couche lipidique ?\nQuels tests peuvent évaluer la fluidité des membranes ?\nQuels indicateurs montrent une défaillance de la membrane ?\nComment les lipides sont-ils analysés dans les membranes ?\nQuels marqueurs biochimiques signalent des anomalies ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Double couche lipidique", "description": "Quels symptômes indiquent une dysfonction membranaire ?\nComment la fluidité affecte-t-elle la fonction cellulaire ?\nQuels effets sur la santé sont liés aux membranes ?\nQuels signes cliniques sont associés aux membranes ?\nComment les membranes influencent-elles l'immunité ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Double couche lipidique", "description": "Comment prévenir les maladies liées aux membranes ?\nQuels modes de vie favorisent la santé membranaire ?\nComment éviter l'oxydation des membranes ?\nQuels facteurs environnementaux affectent les membranes ?\nComment le stress influence-t-il la santé membranaire ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Double couche lipidique", "description": "Quels traitements ciblent les membranes cellulaires ?\nComment les lipides peuvent-ils être manipulés ?\nQuels suppléments peuvent améliorer la santé membranaire ?\nComment les antioxydants aident-ils les membranes ?\nQuels traitements sont utilisés pour les maladies membranaires ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Double couche lipidique", "description": "Quelles complications peuvent survenir avec des membranes altérées ?\nComment les membranes affectent-elles le cancer ?\nQuels troubles neurologiques sont liés aux membranes ?\nComment les infections impactent-elles les membranes ?\nQuelles sont les conséquences d'une défaillance membranaire ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Double couche lipidique", "description": "Quels facteurs génétiques influencent la santé membranaire ?\nComment l'alimentation impacte-t-elle les membranes ?\nQuels comportements augmentent le risque de maladies membranaires ?\nComment l'âge affecte-t-il la santé des membranes ?\nQuels facteurs environnementaux sont des risques pour les membranes ?", "url": "https://questionsmedicales.fr/mesh/D008051?mesh_terms=Cochlear+Implantation&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier une double couche lipidique ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'observation au microscope électronique révèle la structure en double couche." } }, { "@type": "Question", "name": "Quels tests peuvent évaluer la fluidité des membranes ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de diffusion de marqueurs fluorescents peuvent être utilisés." } }, { "@type": "Question", "name": "Quels indicateurs montrent une défaillance de la membrane ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Une augmentation de la perméabilité et des fuites de protéines sont des indicateurs." } }, { "@type": "Question", "name": "Comment les lipides sont-ils analysés dans les membranes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'analyse par chromatographie permet d'étudier la composition lipidique." } }, { "@type": "Question", "name": "Quels marqueurs biochimiques signalent des anomalies ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des niveaux élevés de lipides oxydés peuvent indiquer des anomalies membranaires." } }, { "@type": "Question", "name": "Quels symptômes indiquent une dysfonction membranaire ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles métaboliques et des inflammations peuvent survenir." } }, { "@type": "Question", "name": "Comment la fluidité affecte-t-elle la fonction cellulaire ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Une fluidité altérée peut perturber le transport des protéines et des ions." } }, { "@type": "Question", "name": "Quels effets sur la santé sont liés aux membranes ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies comme l'athérosclérose sont liées à des anomalies des membranes." } }, { "@type": "Question", "name": "Quels signes cliniques sont associés aux membranes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme l'œdème et la déshydratation peuvent être observés." } }, { "@type": "Question", "name": "Comment les membranes influencent-elles l'immunité ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les membranes régulent l'activation des cellules immunitaires et la signalisation." } }, { "@type": "Question", "name": "Comment prévenir les maladies liées aux membranes ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée riche en acides gras essentiels aide à maintenir la santé." } }, { "@type": "Question", "name": "Quels modes de vie favorisent la santé membranaire ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "L'exercice régulier et l'hydratation adéquate sont essentiels." } }, { "@type": "Question", "name": "Comment éviter l'oxydation des membranes ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Consommer des aliments riches en antioxydants aide à protéger les membranes." } }, { "@type": "Question", "name": "Quels facteurs environnementaux affectent les membranes ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "La pollution et les toxines peuvent endommager les membranes cellulaires." } }, { "@type": "Question", "name": "Comment le stress influence-t-il la santé membranaire ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Le stress chronique peut altérer la composition lipidique des membranes." } }, { "@type": "Question", "name": "Quels traitements ciblent les membranes cellulaires ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les statines modifient la composition lipidique." } }, { "@type": "Question", "name": "Comment les lipides peuvent-ils être manipulés ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques de nanomédecine utilisent des liposomes pour délivrer des médicaments." } }, { "@type": "Question", "name": "Quels suppléments peuvent améliorer la santé membranaire ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les acides gras oméga-3 sont bénéfiques pour la fluidité membranaire." } }, { "@type": "Question", "name": "Comment les antioxydants aident-ils les membranes ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Ils protègent les membranes contre l'oxydation et le stress oxydatif." } }, { "@type": "Question", "name": "Quels traitements sont utilisés pour les maladies membranaires ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies géniques peuvent corriger des défauts dans les membranes." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des membranes altérées ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies cardiovasculaires et métaboliques peuvent en résulter." } }, { "@type": "Question", "name": "Comment les membranes affectent-elles le cancer ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Des modifications membranaires peuvent favoriser la progression tumorale." } }, { "@type": "Question", "name": "Quels troubles neurologiques sont liés aux membranes ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies comme la sclérose en plaques sont associées à des anomalies membranaires." } }, { "@type": "Question", "name": "Comment les infections impactent-elles les membranes ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les agents pathogènes peuvent perturber l'intégrité des membranes cellulaires." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une défaillance membranaire ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une défaillance peut entraîner des troubles métaboliques graves et des inflammations." } }, { "@type": "Question", "name": "Quels facteurs génétiques influencent la santé membranaire ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des mutations dans les gènes liés aux lipides peuvent affecter la membrane." } }, { "@type": "Question", "name": "Comment l'alimentation impacte-t-elle les membranes ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en graisses saturées peut altérer la fluidité membranaire." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque de maladies membranaires ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme et la sédentarité sont des comportements à risque." } }, { "@type": "Question", "name": "Comment l'âge affecte-t-il la santé des membranes ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Le vieillissement peut entraîner une rigidité accrue des membranes cellulaires." } }, { "@type": "Question", "name": "Quels facteurs environnementaux sont des risques pour les membranes ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition à des toxines et à des polluants peut endommager les membranes." } } ] } ] }

Sources (10000 au total)

Cochlear implantation in systemic autoimmune disease.

Autoimmune inner ear disease (AIED) is a rare, but likely underrecognized cause of hearing loss. However, hearing loss is common in systemic autoimmune disease and it is important for the clinician to... Hearing loss in AIED tends to be progressive and bilateral, but up to 40% can present as sudden hearing loss and one-third can present unilaterally. HSP-70 serology may help with diagnosis and may pre... Diagnosis of AIED is largely clinical, and a strong index of suspicion is required. Multidisciplinary care is crucial for optimal management. Cochlear implant outcomes are generally excellent, but the...

Effect of Cochlear Implantation on Social Life.

Explore the effects of hearing loss on social life and identify residual social life deficits that remain after cochlear implantation.... Retrospective review of prospectively obtained data.... Tertiary care adult neurotology center.... Adults between the ages of 35 and 83 years were included with either normal hearing (NH) or a cochlear implant (CI).... CI and non-CI-specific quality-of-life (QOL) surveys focused on social and overall QOL.... (1) The difference in QOL survey responses between NH and CI participants. (2) The relationship between CI-specific global and social QOL responses and non-CI-specific social QOL responses in CI users... A total of 51 participants were included: 31 CI users and 20 NH participants. Of the social QOL questionnaires, CI users reported significantly poorer scores on Self-Efficacy in Social Interactions th... CI users self-report similar social life outcomes as their NH peers with the exception of poorer self-efficacy in social situations. Moreover, self-efficacy in social interactions and social isolation...

Assessing Patient Barriers to Cochlear Implantation.

Evaluate barriers that deter adult patients from following through with cochlear implantation.... Retrospective chart review and phone survey.... Single tertiary referral center.... Between January 2019 and August 2021, 113 patients, without a previous cochlear implant (CI), were determined to be candidates for cochlear implantation. Thirty-eight (33.6%) patients deferred cochlea... None.... Demographic, socioeconomic, otologic history, and comorbidity factors associated with deferment of cochlear implantation. Patient survey assessment of factors that had the greatest impact, rated on a ... Out of the 113 patients who met inclusion criteria, 75 (66.3%) underwent cochlear implantation and 38 (33.6%) patients deferred. Comparing implanted versus deferred groups, there was no statistical di... The greatest concern among the patients was the fear of losing residual hearing. Spending greater time educating patients about the success and failure rates of cochlear implantation may reduce patien...

The feasibility of cochlear implantation in early infancy.

To determine the key image anatomical parameters that are relevant to cochlear implantation (CI) using temporal bone high-resolution computed tomography (HRCT) scans and to identify age group differen... The data of 346 temporal bone HRCTs of 173 children from 5 months to 18 years of age were retrospectively selected and reviewed. Parameters of the human temporal bone that are relevant to CI key surgi... There was no significant difference in the above morphological values by gender (p > 0,05). Two-sided FRW was not significantly different (p > 0,05), but MT and angle A were significantly different (p... Based on preoperative imaging analysis at different ages, middle ear development was stable at 5 months of age, allowing early CI in infancy with severe to severe hearing loss at this age. These data ...

Vestibular Preservation in Pediatric Cochlear Implantation.

Evaluate the rate of preserved vestibular function in pediatric cochlear implant surgery.... Retrospective case review.... Pre- and post-operative vestibular tests were compared in children who underwent cochlear implantation at a tertiary level pediatric hospital over a 4-year period.... Data from 59 implanted ears in 44 children was included. Median age was 2.8 years at initial testing (range 7 months - 21 years) with 1:1 male/female ratio. Implant surgeries were 26 unilateral, 13 bi... Preservation rates of vestibular function following cochlear implant surgery were higher in this cohort than what has been reported in many earlier studies. Contemporary, less traumatic electrodes and... 4, Case Series Laryngoscope, 134:1913-1918, 2024....

Cochlear implantation for post-meningitis deafness with cochlear ossification: diagnosis and surgical strategy.

Cochlear ossification (CO) after meningitis can cause profound sensorineural hearing loss (SNHL). Cochlear implantation (CI) is the ideal treatment strategy for CO.... To explore the strategy for CI in patients with CO after meningitis.... In this retrospective study, the medical records of patients diagnosed with profound SNHL due to CO after meningitis and who underwent CI in our department between September 2010 and September 2021 we... The data of 26 patients with unilateral CI were reviewed. All patients underwent preoperative temporal high-resolution computed tomography (HRCT) and 22 patients magnetic resonance imaging (MRI). The ... Preoperative temporal bone HRCT and MRI are essential for determining whether a patient is suitable for CI and surgical planning. A false-negative diagnosis is possible when diagnosing CO, but combine...

The experience of device failure after cochlear implantation.

The present study describes the treatment of patients at a tertiary institution who experienced device failure after Cochlear Implantation (CI), as well as identifying prodromic symptoms that could as... Retrospective database review (January 2000-May 2017).... Single tertiary hospital.... Factors recorded included the etiology of hearing loss; age at first and revision CI surgeries; surgical information, including operation time and approach; electrical outcomes after implantation; dev... From January 2000 to May 2017, 1431 CIs were performed, with 27 (1.9%) undergoing revision surgeries due to device failure. The most common etiology of hearing loss was idiopathic (12/27), followed by... The most suggestive symptom preceding device failure was intermittent loss of signal. Patients who present with this symptom should undergo electrical examination for suspected device failure. Audiolo...

Impedance Change as an Indicator of Cochlear Implant Failure.

In February 2020, Advanced Bionics initiated a field action notice to remove the MS Ultra (V1) implant from circulation. In this study, we quantify a single site's incidence with device failure and ex... Retrospective/cohort study.... Tertiary healthcare center.... Forty-nine adult patients (52 devices) were implanted between October 2017 and December 2019, with the following exclusion criteria: <18 years of age, medical/surgical failures, and lack of English-la... Diagnostic.... Postoperative speech perception (AzBio sentence test) scores at 12 months postactivation were compared with repeat testing at 6- to 12-month intervals. Degree of change in impedances from 1 month post... To date, 21% (11/52) of devices have met all three criteria for a confirmed failure with an average decline in speech perception of 27.7 ± 22%. The average length of time for detection of device failu... Impedance values can be used as a reliable indicator of device malfunction, thus facilitating patient counseling and early intervention. No correlation was identified between impedance changes and spe...

Distance and Socieoeconomic Status as Barriers to Cochlear Implantation.

To assess the distance burden for access to cochlear implant (CI)-related services and to assess whether socioeconomic disadvantage or level of education and occupation influenced uptake of CIs.... Retrospective case review.... A CI services provider operating across multiple centers.... All patients undergoing CI surgery in a 2-year period between March 2018 and February 2020.... Diagnosis of hearing loss, CI surgery, and subsequent habilitation and mapping.... Distance traveled by patients to their audiological diagnostic, CI surgery hospital, and habilitation sites; subjects' index of relative socioeconomic advantage and disadvantage (IRSAD) and index of e... n = 201 children and n = 623 adults. There was a significant difference across IRSAD domains for children (p < 0.0001) and adults (p < 0.0001), and IEO in children (p = 0.015) and adults (p < 0.0001) ... The burden of distance for access to CI in Australia is significant for the upper quartile who may not live within the large city centers. Greater consideration needs to be given regarding barriers to...