Études transversales : Questions médicales fréquentes
Nom anglais: Cross-Sectional Studies
Descriptor UI:D003430
Tree Number:N06.850.520.450.500.875
Termes MeSH sélectionnés :
Prosthesis Design
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"description": "Comment les études transversales aident-elles au diagnostic ?\nPeut-on établir un diagnostic définitif avec une étude transversale ?\nQuel type de données recueille une étude transversale ?\nLes études transversales peuvent-elles identifier des biomarqueurs ?\nQuel est l'avantage principal des études transversales pour le diagnostic ?",
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"@type": "Question",
"name": "Comment les études transversales aident-elles au diagnostic ?",
"position": 1,
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"text": "Elles permettent d'évaluer la prévalence des maladies et d'identifier des associations."
}
},
{
"@type": "Question",
"name": "Peut-on établir un diagnostic définitif avec une étude transversale ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles fournissent des données descriptives mais ne permettent pas de causalité."
}
},
{
"@type": "Question",
"name": "Quel type de données recueille une étude transversale ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des données sur la santé, les comportements et les caractéristiques démographiques."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles identifier des biomarqueurs ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent suggérer des biomarqueurs associés à des conditions, mais pas prouver leur causalité."
}
},
{
"@type": "Question",
"name": "Quel est l'avantage principal des études transversales pour le diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles permettent une évaluation rapide et peu coûteuse de la santé d'une population."
}
},
{
"@type": "Question",
"name": "Les études transversales identifient-elles des symptômes ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent décrire la prévalence des symptômes dans une population donnée."
}
},
{
"@type": "Question",
"name": "Peut-on relier des symptômes à des facteurs de risque via ces études ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent montrer des associations, mais ne prouvent pas de relations causales."
}
},
{
"@type": "Question",
"name": "Comment les symptômes sont-ils mesurés dans ces études ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des questionnaires, des entretiens ou des examens cliniques standardisés."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles révéler des symptômes rares ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont moins efficaces pour les symptômes rares en raison de la taille de l'échantillon."
}
},
{
"@type": "Question",
"name": "Les symptômes peuvent-ils varier selon les groupes d'âge dans ces études ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les études peuvent montrer des variations de symptômes selon les tranches d'âge."
}
},
{
"@type": "Question",
"name": "Les études transversales aident-elles à identifier des stratégies de prévention ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent suggérer des facteurs de risque à cibler pour des interventions préventives."
}
},
{
"@type": "Question",
"name": "Peut-on évaluer l'impact des programmes de prévention avec ces études ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles ne mesurent que la prévalence avant l'implémentation des programmes."
}
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{
"@type": "Question",
"name": "Comment les comportements préventifs sont-ils mesurés ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des questionnaires sur les habitudes de vie et les comportements de santé."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles identifier des populations à risque ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent révéler des groupes à risque élevé pour cibler les efforts de prévention."
}
},
{
"@type": "Question",
"name": "Les résultats des études transversales influencent-ils les politiques de santé publique ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles fournissent des données essentielles pour orienter les politiques de santé publique."
}
},
{
"@type": "Question",
"name": "Les études transversales évaluent-elles l'efficacité des traitements ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles ne mesurent que la prévalence des traitements, pas leur efficacité."
}
},
{
"@type": "Question",
"name": "Peut-on observer des tendances de traitement dans ces études ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent montrer des tendances dans l'utilisation des traitements au sein d'une population."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles influencer les pratiques de traitement ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent fournir des données qui orientent les décisions cliniques et les politiques de santé."
}
},
{
"@type": "Question",
"name": "Comment les traitements sont-ils documentés dans ces études ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des enquêtes sur les antécédents médicaux et les traitements en cours des participants."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles révéler des inégalités dans l'accès aux traitements ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent mettre en lumière des disparités dans l'accès aux soins et aux traitements."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles identifier des complications associées ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent montrer des associations entre maladies et complications, mais pas de causalité."
}
},
{
"@type": "Question",
"name": "Comment les complications sont-elles documentées dans ces études ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des rapports de cas, des questionnaires et des examens cliniques des participants."
}
},
{
"@type": "Question",
"name": "Peut-on évaluer la gravité des complications avec ces études ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles ne mesurent que la prévalence, pas la gravité ou l'évolution des complications."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles révéler des complications rares ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont moins efficaces pour identifier des complications rares en raison de la taille de l'échantillon."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles varier selon les groupes démographiques ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les études peuvent montrer des variations de complications selon l'âge, le sexe, etc."
}
},
{
"@type": "Question",
"name": "Les études transversales identifient-elles des facteurs de risque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent révéler des associations entre facteurs de risque et maladies."
}
},
{
"@type": "Question",
"name": "Peut-on établir une causalité avec des études transversales ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles montrent des associations mais ne peuvent pas prouver la causalité."
}
},
{
"@type": "Question",
"name": "Comment les facteurs de risque sont-ils mesurés ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par des questionnaires, des entretiens et des données cliniques des participants."
}
},
{
"@type": "Question",
"name": "Les études transversales peuvent-elles révéler des facteurs de risque émergents ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent identifier de nouveaux facteurs de risque à étudier plus en profondeur."
}
},
{
"@type": "Question",
"name": "Les facteurs de risque varient-ils selon les populations étudiées ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les études peuvent montrer des variations de facteurs de risque selon les groupes."
}
}
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To investigate the differences in postoperative patellofemoral pressures and patellar tracking during at least three years of follow-up in patients using three prostheses of different designs in total...
RADIOGRAPHIC INVESTIGATIONS: The study included 401 patients who had a total of 480 knee prostheses implanted without patellar resurfacing. The prostheses used were Genesis II (external rotation desig...
Constructing a finite element model of the knee joint of a normal volunteer after total knee arthroplasty using different prostheses for nonpatellar replacement. The three models' von Mises stress dis...
RADIOGRAPHIC INVESTIGATIONS: A total of 456 knees of 384 patients were investigated at a 3-year follow-up after TKA without patellar resurfacing. There were no significant differences in patellar trac...
The von Mises stress distribution heat map showed that during flexion, the patellofemoral stresses were mainly concentrated on the lateral side of the prosthesis side, and the contact site gradually s...
In TKA without patellar resurfacing, a prosthesis with a deeper trochlear groove, a slightly higher lateral femoral condyle, and a more anatomically designed knee that better matches the patellar morp...
Upper limb robotic (myoelectric) prostheses are technologically advanced, but challenging to use. In response, substantial research is being done to develop person-specific prosthesis controllers that...
Maxillofacial prosthesis is an effective treatment for patients with facial sequelae, but it remains challenging for professionals due to its high esthetic complexity. This study describes a clinical ...
Among commercially-available upper-limb prostheses, the two most often used solutions are simple hook-style grippers and poly-articulated hands, which present a higher number of articulations and show...
The SoftHand Pro (SHP) is an artificial hand platform that has 19 independent joints (degrees-of-freedom), but is controlled by a single input. The design of this prosthesis is inspired by the concept...
The great versatility of the SoftHand Pro (a reasearch protpotype) permitted its adaptation to the user requirements. This was experienced by the SoftHand Pro Team during the preparation for different...
We introduced our pilots, the implementation of the two control modalities, and describe the successful participation in all CYBATHLON events. This work proves the versatility of the system towards th...
Prosthesis-patient mismatch (PPM), first described in 1978, occurs when a prosthetic valve functions normally, but has an effective orifice area that is too small relative to the patient's body surfac...
A 78-year-old male was admitted to our institute with increasing shortness of breath and decreased exercise tolerance. His increasing symptoms were not relieved with medical management. He had a compl...
Intraoperative extraction of this prosthesis proved technically challenging and a valve in valve successfully was implanted as a salvage procedure....
The procedure was successful, and the patient made a full recovery....
Open valve in valve implantation, despite technical difficulties, may be utilized as a salvage procedure....
To explore cognitive load in people with transfemoral amputations fitted with socket or bone-anchored prostheses by describing activity in the left and right dorsolateral prefrontal cortices during si...
Cross-sectional pilot study....
8 socket prosthesis users and 8 bone-anchored prosthesis users. All were fitted with microprocessor-controlled prosthetic knees....
Participants answered self-report questionnaires and performed gait tests during 1 single-task walking condition and 2 dual-task walking conditions. While walking, activity in the dorsolateral prefron...
Self-report measures and basic gait variables did not show differences between the groups. No obvious between-group differences were observed in the relative concentration of oxygenated haemoglobin fo...
This pilot study did not identify substantial differences in cognitive load or lateralization between socket prosthesis users and bone-anchored prosthesis users....
Prosthesis choice during aortic valve replacement (AVR) weighs lifelong anticoagulation with mechanical valves (M-AVR) against structural valve degeneration in bioprosthetic valves (B-AVR)....
The Nationwide Readmissions Database was queried to identify patients who underwent isolated surgical AVR between January 1, 2016 and December 31, 2018, stratifying by prothesis type. Propensity score...
Patients (n = 109,744) who underwent AVR (90,574 B-AVR and 19,170 M-AVR) were included. B-AVR patients were older (median 68 versus 57 y; P < 0.001) and had more comorbidities (mean Elixhauser score: ...
B-AVR patients had similar early outcomes compared to M-AVR patients, but lower rates of readmission. Bleeding, coagulopathy, and effusions are drivers of excess readmissions in M-AVR patients. Readmi...
This work presents a structural computational simulation of a polymeric aortic valve prosthesis, made with a hyperelastic material (Styrene-Ethylene/Propylene-Styrene). The valve has a suture ring, th...
To analyse data from patient information forms (PIFs) submitted to the manufacturer of a new three-piece inflatable penile prosthesis (IPP), the Rigicon Infla10®, to summarize early outcomes....
A retrospective review of PIFs from 319 patients implanted with the IPP between 6 January 2019 and 31 December 2021 was performed to assess device durability and rates of reoperation for infection, me...
The mean ± sd (range) follow-up was 21.2 ± 11 (5-36) months and the mean ± sd patient age was 58.5 ± 8.7 years. Of the total, 4.4% of devices required removal or revision. Complications included mecha...
The vast majority of the early Rigicon Infla10 IPPs implanted prior to January 2022 were included in this retrospective analysis of volunteered PIFs. These early results demonstrate initial durability...