Comment diagnostiquer une pathologie de la membrane de Descemet ?

Un examen ophtalmologique complet, incluant la tomographie et la microscopie, est essentiel.

Quels tests sont utilisés pour évaluer la membrane de Descemet ?

La pachymétrie et l'optique cohérente par tomographie sont couramment utilisés.

Quels signes indiquent une défaillance de la membrane de Descemet ?

Un œdème cornéen et une opacité cornéenne peuvent signaler une défaillance.

La biopsie est-elle nécessaire pour diagnostiquer des anomalies ?

La biopsie n'est généralement pas nécessaire, les examens non invasifs suffisent.

Quels symptômes peuvent indiquer un problème avec la membrane de Descemet ?

Vision floue, douleur oculaire et rougeur peuvent indiquer un problème.

Quels sont les symptômes d'une défaillance de la membrane de Descemet ?

Les symptômes incluent vision floue, douleur, et sensibilité à la lumière.

La rougeur de l'œil est-elle un symptôme associé ?

Oui, la rougeur de l'œil peut être un symptôme d'inflammation ou d'irritation.

Peut-on ressentir des démangeaisons avec des problèmes de Descemet ?

Oui, des démangeaisons peuvent survenir en raison d'irritation ou d'allergies.

Les troubles visuels sont-ils fréquents avec des anomalies de Descemet ?

Oui, les troubles visuels sont fréquents et peuvent varier en gravité.

La douleur oculaire est-elle un symptôme courant ?

Oui, la douleur oculaire est un symptôme courant associé aux problèmes de Descemet.

Comment prévenir les problèmes de la membrane de Descemet ?

Éviter les traumatismes oculaires et porter des lunettes de protection peut aider.

Les examens réguliers des yeux sont-ils importants ?

Oui, des examens réguliers permettent de détecter précocement les problèmes.

Une bonne hygiène oculaire peut-elle prévenir des problèmes ?

Oui, maintenir une bonne hygiène oculaire aide à prévenir les infections et irritations.

Les allergies oculaires peuvent-elles affecter la membrane de Descemet ?

Oui, les allergies peuvent provoquer des inflammations affectant la membrane.

Le port de lentilles de contact nécessite-t-il des précautions ?

Oui, il est crucial de suivre les recommandations pour éviter les complications.

Quels traitements sont disponibles pour les problèmes de Descemet ?

Les traitements incluent des médicaments anti-inflammatoires et des interventions chirurgicales.

La greffe de cornée est-elle une option de traitement ?

Oui, la greffe de cornée peut être nécessaire en cas de défaillance sévère.

Les gouttes oculaires peuvent-elles aider ?

Oui, des gouttes oculaires peuvent réduire l'inflammation et améliorer le confort.

Y a-t-il des traitements non chirurgicaux disponibles ?

Oui, des traitements médicaux et des thérapies de soutien sont disponibles.

Les traitements varient-ils selon la gravité de la condition ?

Oui, les traitements sont adaptés en fonction de la gravité et des symptômes.

Quelles complications peuvent survenir avec des problèmes de Descemet ?

Les complications incluent l'œdème cornéen, la perte de vision et l'infection.

L'infection est-elle une complication possible ?

Oui, une infection peut survenir, surtout après une chirurgie ou un traumatisme.

Les cicatrices cornéennes peuvent-elles résulter de problèmes de Descemet ?

Oui, des cicatrices peuvent se former, affectant la clarté de la vision.

Peut-on développer un glaucome à cause de problèmes de Descemet ?

Oui, des problèmes de Descemet peuvent augmenter le risque de glaucome.

Les complications peuvent-elles nécessiter une intervention chirurgicale ?

Oui, certaines complications graves peuvent nécessiter une intervention chirurgicale.

Quels sont les facteurs de risque pour les problèmes de Descemet ?

Les antécédents familiaux, les traumatismes oculaires et certaines maladies augmentent le risque.

L'âge est-il un facteur de risque ?

Oui, le vieillissement peut augmenter le risque de défaillance de la membrane de Descemet.

Les maladies systémiques influencent-elles la santé de Descemet ?

Oui, des maladies comme le diabète peuvent affecter la santé cornéenne.

Le port de lentilles de contact est-il un facteur de risque ?

Oui, un usage inapproprié des lentilles peut augmenter le risque d'infections.

Les allergies peuvent-elles être un facteur de risque ?

Oui, les allergies oculaires peuvent contribuer à l'inflammation et aux problèmes de Descemet.

Lame limitante postérieure - Informations médicales vérifiées

Risk of Recall for Total Joint Arthroplasty Devices Over 10 Years.

08 2023

DOI: 10.1016/j.arth.2023.01.068 PMID: 36773660

Orthopaedic devices comprise nearly 20% of devices on the market and 12% to 20% of these devices undergo a recall within 10 years. More than 95% of these devices are approved without supporting clinic... The FDA 510(k) database was queried for orthopaedic devices approved between January 01, 2008 and December 31, 2018 and subsequently codified to hip and knee arthroplasty devices using product codes. ... In total, 94 (19.4%) hip and 85 (20.3%) knee devices were recalled. The hazard of recall by 10 years for hip and knee arthroplasty devices was approximately 24%, with no statistical differences betwee... The risk of recall for arthroplasty devices is more than that previously understood. Improved postmarket surveillance strategies along with increased physician participation in detecting and reporting...

United States Humans Medical Device Recalls United States Food and Drug Administration Product Surveillance, Postmarketing +3 autres

Software-related recalls in computer-assisted hip and knee arthroplasty.

03 2023

DOI: 10.1007/s00264-023-05692-2 PMID: 36637462

Computer-assisted arthroplasty supports the surgeons in planning, simulating, and performing the replacement procedure, using robotic or navigation technologies. However, the safety of the technology ... The Medical Device Recalls database was investigated about software-related recalls in computer-assisted hip and knee arthroplasty surgery, between 2017 and 2022. The incidence of the software-related... Eighteen recall numbers could be identified (1.6%), corresponding to 11 recall events. A total of 4634 units were involved. The FDA determined root causes were: software design (66.6%), design change ... Software-related recalls in computer-assisted hip and knee arthroplasty were quite uncommon among all the recalls, deemed non-life threatening and usually due to software design errors. The main actio...

Humans Arthroplasty, Replacement, Knee Robotics Software Medical Device Recalls +2 autres

Investigation and analysis of four countries' recalls of osteosynthesis implants and joint replacement implants from 2011 to 2021.

07 Oct 2022

DOI: 10.1186/s13018-022-03332-w PMID: 36207755

Medical devices are used in almost all orthopedic surgical subspecialties, and the frequency of adverse events is increasing, which should not be ignored. To provide suggestions on how to avoid implan... The research extracted recalls of osteosynthesis implants and joint replacement implants from January 1, 2011, to June 30, 2021, in the CNMPA, FDA, HC and ATGA websites and collected the information o... A total of 315 cases of osteosynthesis implants and 286 cases of joint replacement implants were reported in China, the USA, Canada and Australia. The recalls number from 2016 to 2021 was more than th... To avoid the recalls of such implants, manufacturers should strictly select implant materials and components, develop detailed labels and instructions, severely control the packaging process and estab...

Arthroplasty, Replacement Australia Humans Medical Device Recalls Prostheses and Implants +1 autres

Communicating medical device recalls: A rapid review of the literature.

06 Mar 2024

DOI: 10.1016/j.pec.2024.108244 PMID: 38484598

The U.S. Food and Drug Administration (FDA) currently regulates more than 190,000 different medical devices. Like all products, these devices may be subject to manufacturing problems, flawed designs, ... To support this recommendation, we conducted a rapid review of literature published from 2008-2022 to capture and examine information on risk communication approaches, methods, and best practices for ... We identified 23 articles to include in our review.... Our review found a lack of research-based studies as well as gaps in understanding about consumer perspectives, comprehension, and communication preferences related to recalls. Despite these limitatio... Further research is needed to assess consumer attitudes, understanding, and preferences and to reach consensus on best practices for effectively communicating recall information to consumers of medica...

A Comprehensive Analysis of Class I Medical Device Recalls: Unveiling Patterns, Causes and Global Impacts.

Aug 2024

DOI: 10.7759/cureus.67542 PMID: 39310387

In the landscape of medical device regulation, Class I recalls serve as pivotal indicators of potential risks, necessitating comprehensive analysis to unveil underlying patterns and causal factors. Th...

Ten-year Risk of Recall of Novel Spine Devices.

26 Jan 2024

DOI: 10.1097/BRS.0000000000004939 PMID: 38273730

Observational epidemiological study.... This study's primary objective was to examine the risk of recall for novel spine devices over time. Secondarily, we sought to analyze interbody fusion and vertebral body replacement (VBR) devices (cor... The recall risk of a novel spine device over time has not been reported. Additionally, FDA regulations were lowered for interbody fusion devices to enter the market in 2007. As well, VBR implants were... Spine devices cleared between January 1, 2008 and December 31, 2018 were identified from the FDA's 510(k) database. All recall data was collected from the database in January of 2021 to provide a 2-ye... 2,384 spine devices were cleared via 510(k) in the study period. The hazard of recall at 5 years was 5.3% (95% CI: 4.4%-6.2%) and 6.5% (95% CI: 5.4-7.7%) at 10 years. No significant difference in reca... The risk of recall at 5 and 10 years of a novel spine device is about half the 12% rate reported for orthopedic devices in general. Despite lowered FDA regulations for interbody fusion devices and rec... V....

Risk of Recall Associated With Modifications to High-risk Medical Devices Approved Through US Food and Drug Administration Supplements.

03 04 2023

DOI: 10.1001/jamanetworkopen.2023.7699 PMID: 37043202

High-risk medical devices approved by the US Food and Drug Administration (FDA) can undergo modifications to their original premarket approval (PMA) via 1 of 5 types of supplements. Only panel track s... To determine the association between PMA supplements and the risk of any device recall and high-risk (class 1) recall.... In this cohort study, the FDA database was queried for original devices approved via PMA from January 1, 2008, through December 31, 2019. Supplement and recall data were obtained for these devices fro... Supplements submitted by manufacturers for FDA approval to modify devices.... A mixed-effects Cox proportional hazards regression model with frailty terms was used, modeling device recall as an outcome variable during the observation period. A second model was performed for cla... A total of 373 original PMA devices with 10 776 associated supplements were included in the analysis. A median 2.5 (IQR, 1.2-5.0) supplements per device were approved annually. Cardiovascular devices ... The findings of this cohort study suggest that PMA supplements are associated with an approximately 30% increased risk of any recall and class 1 recall. The FDA processes for approving modifications t...

United States Humans United States Food and Drug Administration Retrospective Studies Cohort Studies +2 autres

A Comparison of Patient and Device Issues Reported for Recalled Venous Stent Systems.

Nov 2022

DOI: 10.1016/j.avsg.2022.08.002 PMID: 36055459

The first two Food and Drug Administration (FDA)-approved stents for treatment of iliofemoral vein obstruction, Boston Scientific's Vici and BD's Venovo venous stent systems, were both recalled in ear... MAUDE was queried for all adverse event reports for brands "Vici" and "Venovo" from their respective US FDA market approval dates to August 19, 2021. Reported device issues, patient issues, and interv... A total of 50 unique adverse event reports were compiled for the Vici system and 341 for the Venovo system. The most common device issue reported for the Vici system was migration (48% vs. 0%; P = 0.0... While 2 venous stent systems were recalled simultaneously, significant differences exist between reported device issues in MAUDE and whether patient injury was involved and well described. Our data su...

United States Humans Treatment Outcome Stents United States Food and Drug Administration +2 autres

Characterization of US Food and Drug Administration Class I Recalls from 2018 to 2022 for Moderate- and High-Risk Medical Devices: A Cross-Sectional Study.

2023

DOI: 10.2147/MDER.S412802 PMID: 37229515

Medical device recalls are initiated in response to safety concerns. Class I (highest severity) recalls imply a reasonable likelihood of serious adverse events or death associated with device use. Rec... To characterize Class I medical device recalls and corresponding recalled devices.... This was a cross-sectional study of Class I recalls posted on the Food and Drug Administration's annual log from January 1, 2018 to June 30, 2022 for moderate-risk and high-risk medical devices. Devic... There were 189 unique Class I medical device recalls, including 151 (79.9%) for moderate-risk and 34 (18.0%) for high-risk devices. Sixty-five (34.4%) recalls were for cardiovascular devices, 36 (19.0... High-severity medical device recalls are common and affect millions of device units annually in the US. Recall termination takes a significant amount of time, putting patients at risk for serious safe...

Emotion Recognition from Physiological Signals Collected with a Wrist Device and Emotional Recall.

11 Nov 2023

DOI: 10.3390/bioengineering10111308 PMID: 38002432

Implementing affective engineering in real-life applications requires the ability to effectively recognize emotions using physiological measurements. Despite being a widely researched topic, there see...

Lame limitante postérieure : 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

Auteurs principaux

Sources (10000 au total)