Titre : Technologie des fibres optiques

Technologie des fibres optiques : Questions médicales fréquentes

Termes MeSH sélectionnés :

Early Detection of Cancer
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"Diagnostic", "headline": "Diagnostic sur Technologie des fibres optiques", "description": "Comment les fibres optiques sont-elles utilisées en imagerie médicale ?\nQuels tests utilisent la technologie des fibres optiques ?\nLes fibres optiques peuvent-elles détecter des cancers ?\nQuel rôle jouent les fibres optiques dans l'endoscopie ?\nPeut-on utiliser des fibres optiques pour surveiller des maladies chroniques ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Technologie des fibres optiques", "description": "Quels symptômes peuvent indiquer un problème avec les fibres optiques médicales ?\nLes patients ressentent-ils des douleurs lors de l'utilisation de fibres optiques ?\nQuels effets secondaires peuvent survenir après une procédure avec fibres optiques ?\nLes fibres optiques peuvent-elles causer des réactions allergiques ?\nQuels signes indiquent une infection après une procédure avec fibres optiques ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Technologie des fibres optiques", "description": "Comment prévenir les infections lors de l'utilisation de fibres optiques ?\nQuelles précautions prendre avant une procédure avec fibres optiques ?\nComment assurer la sécurité des dispositifs à fibres optiques ?\nLes patients doivent-ils être informés des risques des fibres optiques ?\nQuelles sont les meilleures pratiques pour l'utilisation des fibres optiques ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Technologie des fibres optiques", "description": "Comment les fibres optiques sont-elles utilisées en chirurgie ?\nLes fibres optiques sont-elles utilisées pour traiter des maladies oculaires ?\nQuel type de traitement utilise la technologie des fibres optiques en oncologie ?\nLes fibres optiques peuvent-elles être utilisées pour la physiothérapie ?\nComment les fibres optiques améliorent-elles les traitements de la douleur ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Technologie des fibres optiques", "description": "Quelles complications peuvent survenir après une procédure avec fibres optiques ?\nLes complications sont-elles fréquentes avec les fibres optiques ?\nComment gérer une infection après l'utilisation de fibres optiques ?\nLes complications peuvent-elles être évitées ?\nQuels signes indiquent une complication après une procédure ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Technologie des fibres optiques", "description": "Quels facteurs augmentent le risque de complications avec les fibres optiques ?\nLes antécédents médicaux influencent-ils les risques liés aux fibres optiques ?\nLe type de procédure influence-t-il les risques associés aux fibres optiques ?\nLes allergies aux matériaux affectent-elles l'utilisation des fibres optiques ?\nLe niveau d'expérience du praticien influence-t-il les risques ?", "url": "https://questionsmedicales.fr/mesh/D005336?mesh_terms=Early+Detection+of+Cancer&page=1000#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment les fibres optiques sont-elles utilisées en imagerie médicale ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Elles permettent des procédures comme la fibroscopie pour visualiser l'intérieur du corps." } }, { "@type": "Question", "name": "Quels tests utilisent la technologie des fibres optiques ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests comme la tomographie par cohérence optique (OCT) pour diagnostiquer des maladies." } }, { "@type": "Question", "name": "Les fibres optiques peuvent-elles détecter des cancers ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont utilisées pour des biopsies ciblées et des analyses de tissus." } }, { "@type": "Question", "name": "Quel rôle jouent les fibres optiques dans l'endoscopie ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Elles éclairent et transmettent des images lors d'examens endoscopiques." } }, { "@type": "Question", "name": "Peut-on utiliser des fibres optiques pour surveiller des maladies chroniques ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles permettent un suivi en temps réel de certaines conditions médicales." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer un problème avec les fibres optiques médicales ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des images floues ou des pertes de signal peuvent indiquer un dysfonctionnement." } }, { "@type": "Question", "name": "Les patients ressentent-ils des douleurs lors de l'utilisation de fibres optiques ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Généralement non, mais des sensations d'inconfort peuvent survenir selon la procédure." } }, { "@type": "Question", "name": "Quels effets secondaires peuvent survenir après une procédure avec fibres optiques ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements légers ou des infections peuvent survenir après certaines interventions." } }, { "@type": "Question", "name": "Les fibres optiques peuvent-elles causer des réactions allergiques ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Rarement, mais des réactions peuvent survenir aux matériaux utilisés dans les dispositifs." } }, { "@type": "Question", "name": "Quels signes indiquent une infection après une procédure avec fibres optiques ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Rougeur, gonflement ou écoulement au site d'insertion peuvent indiquer une infection." } }, { "@type": "Question", "name": "Comment prévenir les infections lors de l'utilisation de fibres optiques ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des dispositifs stériles et suivre des protocoles d'hygiène stricts." } }, { "@type": "Question", "name": "Quelles précautions prendre avant une procédure avec fibres optiques ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Informer le médecin des allergies et des médicaments en cours pour éviter des complications." } }, { "@type": "Question", "name": "Comment assurer la sécurité des dispositifs à fibres optiques ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Effectuer des contrôles réguliers et des maintenances pour garantir leur bon fonctionnement." } }, { "@type": "Question", "name": "Les patients doivent-ils être informés des risques des fibres optiques ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une information claire sur les risques et bénéfices est essentielle avant toute procédure." } }, { "@type": "Question", "name": "Quelles sont les meilleures pratiques pour l'utilisation des fibres optiques ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Suivre les protocoles de formation et utiliser des équipements certifiés pour éviter les erreurs." } }, { "@type": "Question", "name": "Comment les fibres optiques sont-elles utilisées en chirurgie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Elles permettent des interventions moins invasives grâce à la chirurgie laparoscopique." } }, { "@type": "Question", "name": "Les fibres optiques sont-elles utilisées pour traiter des maladies oculaires ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont utilisées dans des traitements comme la photocoagulation pour la rétine." } }, { "@type": "Question", "name": "Quel type de traitement utilise la technologie des fibres optiques en oncologie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La thérapie photodynamique utilise des fibres pour cibler et détruire les cellules cancéreuses." } }, { "@type": "Question", "name": "Les fibres optiques peuvent-elles être utilisées pour la physiothérapie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont utilisées dans des dispositifs de stimulation lumineuse pour la réhabilitation." } }, { "@type": "Question", "name": "Comment les fibres optiques améliorent-elles les traitements de la douleur ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont utilisées dans des dispositifs de laser pour soulager la douleur de manière ciblée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une procédure avec fibres optiques ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements, infections ou perforations peuvent survenir selon la procédure réalisée." } }, { "@type": "Question", "name": "Les complications sont-elles fréquentes avec les fibres optiques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont rares, mais peuvent survenir, surtout si les protocoles ne sont pas respectés." } }, { "@type": "Question", "name": "Comment gérer une infection après l'utilisation de fibres optiques ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un traitement antibiotique peut être nécessaire, selon la gravité de l'infection." } }, { "@type": "Question", "name": "Les complications peuvent-elles être évitées ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, en respectant les protocoles de sécurité et en formant correctement le personnel." } }, { "@type": "Question", "name": "Quels signes indiquent une complication après une procédure ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Rougeur, douleur intense ou fièvre peuvent indiquer une complication post-procédure." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de complications avec les fibres optiques ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge avancé, les maladies chroniques et l'immunosuppression augmentent les risques." } }, { "@type": "Question", "name": "Les antécédents médicaux influencent-ils les risques liés aux fibres optiques ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de chirurgie ou d'infections peuvent augmenter les risques." } }, { "@type": "Question", "name": "Le type de procédure influence-t-il les risques associés aux fibres optiques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines procédures plus invasives comportent des risques plus élevés." } }, { "@type": "Question", "name": "Les allergies aux matériaux affectent-elles l'utilisation des fibres optiques ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des allergies peuvent entraîner des réactions indésirables lors de l'utilisation." } }, { "@type": "Question", "name": "Le niveau d'expérience du praticien influence-t-il les risques ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un praticien expérimenté réduit le risque de complications lors des procédures." } } ] } ] }

Sources (10000 au total)

Pathological and oncological outcomes of pylorus-preserving versus conventional distal gastrectomy in early gastric cancer: a systematic review and meta-analysis.

Pylorus-preserving gastrectomy (PPG) is a function-preserving surgery for the treatment of early gastric cancer (EGC) in the middle third of the stomach. According to the literature reports, PPG decre... The protocol was registered in PROSPERO under number CRD42022304677. Databases including PubMed, Embase, Web of Science, and the Cochrane Register of Controlled Trials were searched before February 21... A total of 4500 patients from 16 studies were included. Compared with the CDG group, the PPG group had fewer lymph nodes harvested (WMD= -3.09; 95% CI -4.75 to -1.43; P < 0.001). Differences in the nu... The meta-analysis of existing evidence demonstrated that the survival outcomes of PPG may be comparable to those of CDG. However, fewer lymph nodes at stations in No. 5, No. 6, No. 9, and No. 11p were...

Ornithine aminotransferase and carbamoyl phosphate synthetase 1 involved in ammonia metabolism serve as novel targets for early stages of gastric cancer.

The sensitivity and specificity of current biomarkers for gastric cancer were insufficient. The aim of the present study was to screen novel biomarkers and determine the diagnostic values of ornithine... With stable isotope tags, we labelled an initial discovery group of four paired gastric cancer tissue samples and identified with LC-ESI-MS/MS. A validation group of 159 gastric cancer samples and 30 ... Four hundred and thirty one proteins were found differentially expressed in gastric cancer tissues. Of these proteins, OAT and CPS1 were found over-expressed in gastric cancer patients, with sensitivi... The present findings indicated a tight correlation between the co-expression of OAT and CPS1 and the histological grade, local invasion, and TNM stages of gastric cancer. Therefore, OAT and CPS1 might...

Patient characteristics and health system factors associated with adjuvant radiation therapy receipt in older women with early-stage endometrial cancer.

Among women with early-stage endometrial cancer (EC), age, stage, grade, and histology are used to determine fitness for adjuvant radiation therapy (RT) administration. We examined non-cancer factors ... Using data from the Surveillance Epidemiology and End Results cancer registry program linked with Medicare claims, we identified 25,654 women (aged ≥66 years) diagnosed with first primary stage I-II E... Adjuvant RT was less commonly administered to Asian American and Pacific Islander patients than non-Hispanic White patients (Prevalence ratio [PR], 0.84; 95% confidence interval [CI], 0.73 to 0.97). C... Findings suggest that various non-cancer factors affect the delivery of adjuvant RT to older women with early-stage EC in real-world oncology practice. Advancing our understanding of factors associate...

Hybrid-control arm construction using historical trial data for an early-phase, randomized controlled trial in metastatic colorectal cancer.

Treatment for metastatic colorectal cancer patients beyond the second line remains challenging, highlighting the need for early phase trials of combination therapies for patients who had disease progr... MORPHEUS-CRC is an umbrella, multicenter, open-label, phase Ib/II, randomized, controlled trial (NCT03555149), with active experimental arms ongoing. Patients enrolled were assigned to a control arm (... The experimental arm showed no efficacy signal, yet a well-tolerated safety profile in the MORPHEUS-CRC trial. Treatment effects estimated in hybrid control design were comparable to those in the MORP... Hybrid control provides comparable treatment-effect estimates with generally improved precision, and thus can be of value to inform early-phase clinical development in metastatic colorectal cancer....

Construction and validation of N6-methyladenosine long non-coding RNAs signature of prognostic value for early biochemical recurrence of prostate cancer.

Early biochemical recurrence (eBCR) indicated a high risk for potential recurrence and metastasis in prostate cancer. The N6-methyladenosine (m6A) methylation modification played an important role in ... Pearson correlation analysis was first conducted to explore m6A lncRNAs and univariate Cox regression analysis was further performed to identify m6A lncRNAs of prognostic roles for predicting eBCR in ... Five hundred and thirty-eighth m6A lncRNAs were searched out through Pearson correlation analysis and 25 out of 538 m6A lncRNAs were identified to pose prediction roles for eBCR in prostate cancers. A... The m6A lncRNA signature in this study could be utilized to efficiently predict eBCR occurrence, various clinical characteristic and immune microenvironment for prostate cancer....

MRI characteristics of breast edema for assessing axillary lymph node burden in early-stage breast cancer: a retrospective bicentric study.

To investigate whether breast edema characteristics at preoperative T2-weighted imaging (T2WI) could help evaluate axillary lymph node (ALN) burden in patients with early-stage breast cancer.... This retrospective study included women with clinical T1 and T2 stage breast cancer and preoperative MRI examination in two independent cohorts from May 2014 to December 2020. Low (< 3 LNs+) and high ... A total of 1092 patients were included in this study. BES was identified as the independent predictor of pALN burden in primary (n = 677) and validation (n = 415) cohorts. The analysis using MRI-ALN s... In individuals with early-stage breast cancer, preoperative MRI characteristics of breast edema could be a promising predictor for pALN burden, which may aid in treatment planning.... • In this retrospective study of 1092 patients with early-stage breast cancer from two cohorts, the MRI characteristic of breast edema has independent and additive predictive value for assessing axill...

A Clinical Diagnostic Value Analysis of Serum CA125, CA199, and HE4 in Women with Early Ovarian Cancer: Systematic Review and Meta-Analysis.

To evaluate the value of combined detection of serum CA125, CA199, and HE4 in the diagnosis of ovarian cancer.... Relevant articles retrieved from PubMed, Elsevier Science, Springer, China National Knowledge Infrastructure (CNKI), Wanfang, and VIP databases were screened strictly according to inclusion and exclus... The results of meta-analysis showed that there was a statistical difference in diagnostic specificity analysis of CA125 (OR = 1.91, 95% CI (1.58, 2.32),... In the clinical assisted diagnosis of ovarian cancer, combined detection of CA125, CA199, and HE4 has the stronger discriminant ability and higher accuracy than single detection of CA125, which can im...

BMI increase during early childhood in boys with cystic fibrosis and early adrenarche.

Increase in body mass index (BMI) in early childhood (1-6 years) was found to be a contributing factor for impaired final height in boys with Cystic Fibrosis (CF). Early adrenarche (before age 9 years... Boys with CF, aged 8-9 years, visiting the CF expertize center Utrecht were included. Since 2018, anthropomorphic, pubertal and endocrine data were collected. Early adrenarche in boys was defined as a... Thirteen boys (mean age 8.55 ± 0.27 years) were enrolled. The median (IQR) DHEAS-level was 1.3 µmol/L (0.71-2.40). Eight boys (61.5%) had an early rise in DHEAS-levels ≥ 1 µmol/L. Mean increase in BMI... In this small cohort, 61.5% of boys with CF between 8 and 9 years had an early rise of DHEAS, which was correlated to ΔBMI...