questionsmedicales.fr
Préparations pharmaceutiques
Colloïdes
Gels
Hydrogels
Hydrogels : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Infection
Plaie
Hydrogels
Viscosité
Hydrogels
Évaluation
Biocompatibilité
Hydrogels
Tests in vitro
Réaction indésirable
Hydrogels
Symptômes
Allergie
Hydrogels
Tests cutanés
Symptômes
5
Irritation
Hydrogels
Symptômes
Douleur
Hydrogels
Inflammation
Infection
Hydrogels
Symptômes
Démangeaisons
Hydrogels
Réaction allergique
Effets secondaires
Hydrogels
Allergie
Prévention
5
Infections
Hydrogels
Prévention
Précautions
Hydrogels
Utilisation
Stockage
Hydrogels
Dégradation
Surveillance
Hydrogels
Infection
Réactions allergiques
Hydrogels
Test cutané
Traitements
5
Brûlures
Hydrogels
Cicatrisation
Ulcères
Hydrogels
Cicatrisation
Soins post-opératoires
Hydrogels
Cicatrisation
Plaies chroniques
Hydrogels
Cicatrisation
Greffes de peau
Hydrogels
Protection
Complications
5
Complications
Hydrogels
Infections
Cicatrices
Hydrogels
Cicatrisation
Infection
Hydrogels
Antibiotiques
Brûlures
Hydrogels
Irritation
Risques
Hydrogels
Macération
Facteurs de risque
5
Infection
Hydrogels
Facteurs de risque
Personnes âgées
Hydrogels
Facteurs de risque
Allergies
Hydrogels
Facteurs de risque
Antécédents médicaux
Hydrogels
Dermatite
Diabète
Hydrogels
Cicatrisation
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"acceptedAnswer": {
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}
},
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"@type": "Question",
"name": "Les hydrogels peuvent-ils causer des démangeaisons ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
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"name": "Quels effets secondaires sont associés aux hydrogels ?",
"position": 10,
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"text": "Les effets secondaires peuvent inclure irritation, allergie ou infection locale."
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"@type": "Question",
"name": "Comment prévenir les infections lors de l'utilisation d'hydrogels ?",
"position": 11,
"acceptedAnswer": {
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"text": "Assurez-vous que la plaie est propre et appliquez l'hydrogel dans des conditions stériles."
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{
"@type": "Question",
"name": "Quelles précautions prendre avec les hydrogels ?",
"position": 12,
"acceptedAnswer": {
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"text": "Évitez d'utiliser des hydrogels périmés et suivez les instructions d'application."
}
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"name": "Comment stocker les hydrogels pour éviter leur dégradation ?",
"position": 13,
"acceptedAnswer": {
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"@type": "Question",
"name": "Les hydrogels nécessitent-ils une surveillance après application ?",
"position": 14,
"acceptedAnswer": {
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"text": "Oui, surveillez régulièrement la plaie pour détecter tout signe d'infection ou d'irritation."
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},
{
"@type": "Question",
"name": "Comment éviter les réactions allergiques aux hydrogels ?",
"position": 15,
"acceptedAnswer": {
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"text": "Effectuez un test cutané préalable si vous avez des antécédents d'allergies."
}
},
{
"@type": "Question",
"name": "Comment les hydrogels sont-ils utilisés dans le traitement des brûlures ?",
"position": 16,
"acceptedAnswer": {
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"text": "Ils sont appliqués pour hydrater la plaie et favoriser la cicatrisation tout en apaisant."
}
},
{
"@type": "Question",
"name": "Les hydrogels sont-ils efficaces pour les ulcères ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils aident à maintenir un environnement humide, favorisant la guérison des ulcères."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser des hydrogels pour les soins post-opératoires ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils sont souvent utilisés pour protéger les incisions chirurgicales et favoriser la guérison."
}
},
{
"@type": "Question",
"name": "Comment les hydrogels aident-ils à traiter les plaies chroniques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils maintiennent l'hydratation et réduisent la douleur, ce qui favorise la cicatrisation."
}
},
{
"@type": "Question",
"name": "Les hydrogels peuvent-ils être utilisés pour les greffes de peau ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent être utilisés pour protéger les greffes et maintenir l'humidité."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec les hydrogels ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent infections, réactions allergiques et irritation cutanée."
}
},
{
"@type": "Question",
"name": "Les hydrogels peuvent-ils causer des cicatrices ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "En général, ils favorisent la cicatrisation, mais une mauvaise utilisation peut entraîner des cicatrices."
}
},
{
"@type": "Question",
"name": "Comment gérer une infection causée par un hydrogel ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Consultez un professionnel de santé pour un traitement approprié, souvent avec des antibiotiques."
}
},
{
"@type": "Question",
"name": "Les hydrogels peuvent-ils provoquer des brûlures ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une application incorrecte ou prolongée peut entraîner des brûlures cutanées."
}
},
{
"@type": "Question",
"name": "Quels sont les risques d'utilisation prolongée des hydrogels ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'utilisation prolongée peut entraîner une macération de la peau et des infections."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'infection avec les hydrogels ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent une mauvaise hygiène, des plaies profondes et un système immunitaire affaibli."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque avec les hydrogels ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent avoir une peau plus fragile et un système immunitaire affaibli."
}
},
{
"@type": "Question",
"name": "Les allergies aux composants des hydrogels sont-elles fréquentes ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les allergies sont rares, mais peuvent survenir, surtout chez les personnes sensibles."
}
},
{
"@type": "Question",
"name": "Quels antécédents médicaux augmentent les risques avec les hydrogels ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents de dermatite ou d'allergies cutanées peuvent augmenter les risques."
}
},
{
"@type": "Question",
"name": "Les diabétiques ont-ils des risques accrus avec les hydrogels ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les diabétiques peuvent avoir une cicatrisation plus lente et un risque accru d'infection."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 15/03/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Publications dans "Hydrogels" :
4 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. zhaox@mit.edu.
Publications dans "Hydrogels" :
3 publications dans cette catégorie
Publications dans "Hydrogels" :
3 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada.
Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
School of Engineering and Applied Sciences, Kavli Institute for Bionano Science and Technology, Harvard University, MA, 02138, USA.
State Key Laboratory of Fluid Power and Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Department of Engineering Mechanics, and Center for X-Mechanics, Zhejiang University, Hangzhou, Zhejiang, 310027, P. R. China.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
School of Engineering and Applied Sciences, Kavli Institute for Bionano Science and Technology, Harvard University, MA, 02138, USA.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
2 publications dans cette catégorie
Affiliations :
Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.
Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea.
Publications dans "Hydrogels" :
To compare audiometric outcomes of a new cartilage conduction hearing device (CCD) with traditional bone conduction hearing devices (BCDs)....
Clinical trial and crossover study design....
Tertiary academic center....
Sixteen adults (19 ears) with congenital aural atresia or overclosed ear canals who previously underwent BCD implantation were fitted with a CCD. Audiometric data were collected with use of the BCD an...
The mean pretreatment 4-frequency pure tone average was 81 dB. The mean aided pure tone averages with the BCD and CCD were 27 and 32 dB (P = .002), and the mean functional gains were 54 and 49 dB (P =...
Pure tone audiometric outcomes with the BCD show a small advantage over the CCD, with the difference driven mainly by high-frequency responses. Speech outcomes were equivalent apart from the +5-db SNR...
To evaluate speech in noise results and subjective benefit in bilateral active bone conduction implant (ABCI) for bilateral mixed hearing loss....
Prospective, comparative....
Ear, Nose and Throat Unit, Department of Surgical Sciences, University of Turin....
Seven patients with conductive/mixed hearing loss....
Patients underwent simultaneous or sequential bilateral surgery for ABCI....
The speech intelligibility in noise was assessed with the Ita Matrix test in summation, squelch and head shadow settings. First, the tests were performed with one device activated in the ear with lowe...
When bilateral devices were activated, an improvement of signal-to-noise ratio was observed in all settings. The difference between bilateral and unilateral stimulation is 4.66 dB ( p = 0.016) in the ...
In symmetric mixed bilateral hearing loss, rehabilitation with an ABCI fitted bilaterally shows audiologic advantages in speech perception in noise, not only thanks to the summation effect and by redu...
Under bone conduction (BC) stimulation, the otic capsule, and surrounding temporal bone, undergoes a complex 3-dimentional (3D) motion that depends on the frequency, location and coupling of the stimu...
Experiments were conducted in 3 fresh frozen cadaver heads, individually on each temporal bone, resulting in a total of 6 samples. The skull bone was stimulated, via the actuator of a BC hearing aid (...
While there were limited differences in the magnitude of the motion across the skull base, there were major differences in the deformation of different sections of the skull. Specifically, the bone ne...
The area around the otic capsule appears rigid up to significantly higher frequencies than the rest of the skull surface, resulting in primarily inertial loading of the cochlear fluid. Further work sh...
The active transcutaneous bone conduction implant (tBCI; BONEBRIDGE™ BCI 601; MED-EL, Innsbruck, Austria) is fixed to the skull with two self-tapping screws in predrilled screw channels. The aim of th...
Nine patients (mean age 37 ± 16 years, range 14-57 years) were examined pre- and 12 months postoperatively for word recognition scores (WRS) at 65 dB SPL, sound-field (SF) thresholds, bone conduction ...
Due to avoidance of one surgical step, the surgical technique was simplified. Mean WRS in SF was 11.1 ± 22.2% (range 0-55%) pre- and 77.2 ± 19.9% (range 30-95%) postoperatively; mean SF threshold (pur...
Implant fixation by means of self-drilling screws was safe and effective in all nine patients. There was significant audiological benefit 12 months after implantation....
To determine and compare the benefits a novel adhesive bone-conduction system and a conventional bone-conduction hearing aid (BCHA) on a softband for children with conductive hearing loss....
Prospective, single-subject randomized, crossover trial....
Tertiary referral center in Australia....
Eight children aged from 4 to 17 years with conductive hearing loss....
Rehabilitative with participants using the novel adhesive bone-conduction aid and a BCHA....
Aided thresholds, as well as speech perception in quiet, unaided and aided with the novel adhesive bone-conduction aid and BCHA on a softband. For the six older children, speech in noise testing was a...
The mean unaided four frequency average hearing levels was 48 dB HL for air conduction, 10.5 dB HL for bone conduction, with a mean air-bone gap in the aided ear of 37.5 dB HL.Four-frequency average h...
The novel device provided equivalent performance to the BCHA on all measures and can be considered as an alternative device for pediatric patients with conductive hearing loss....
Exact placement of bone conduction implants requires avoidance of critical structures. Existing guidance technologies for intraoperative placement have lacked widespread adoption given accessibility c...
To report the audiometric and surgical outcomes of a series of patients having undergone implantation of a novel transcutaneous bone conduction implant (t-BCI)....
Retrospective case series....
Single academic tertiary referral center....
Adults (≥18 yr) implanted between December 1, 2019, and August 1, 2021, with audiometric data available before and after device implantation and a minimum of 4 weeks follow-up....
Surgical t-BCI....
Change in aided pure tone average (PTA) after implantation. Secondary outcomes include average operative time, and adverse events....
Twenty-three patients underwent implantation of the t-BCI via either a conventional or minimally invasive surgical approach. The most common indication for implantation was unilateral conductive heari...
Forming the largest series of patients implanted with this t-BCI in the published literature, our data demonstrate that implantation of the device is feasible via either a traditional or minimally inv...
When presenting a stereo sound through bilateral stimulation by two bone conduction transducers (BTs), part of the sound at the left side leaks to the right side, and vice versa. The sound transmitted...
To evaluate clinical and audiometric outcomes of adult and pediatric patients implanted with a semi-implantable transcutaneous active bone-conduction implant....
Retrospective chart review....
Two tertiary referral centers....
Subjects implanted with the semi-implantable transcutaneous active bone-conduction implant called BoneBridge....
Implantation of the BoneBridge and audiometric evaluations....
Audiometric, clinical, and surgical outcomes as well as complications....
Forty-two adults and 20 children were implanted for conductive or mixed hearing loss as well as single-sided deafness. Implantation significantly improved mean air-conduction pure-tone average from 72...
In a large retrospective series consisting of both pediatric and adult patients, implantation with a transcutaneous active bone-conduction implant was found to be a reliable aural rehabilitation optio...
Sound transmission to the human inner ear by bone conduction pathway with an implant attached to the otic capsule is a specific case where the cochlear response depends on the direction of the stimula...