questionsmedicales.fr
Techniques d'investigation
Perfusion
Perfusion : Questions médicales fréquentes
Termes MeSH sélectionnés :
Sensitivity and Specificity
Diagnostic
5
Perfusion
Échographie Doppler
Cyanose
État de conscience
Capillaroscopie
Circulation sanguine
Imagerie par résonance magnétique
Perfusion
Symptômes
5
Fatigue
Douleurs thoraciques
Douleurs cardiaques
Arythmies
Fréquence cardiaque
Pression artérielle
Prévention
5
Hydratation
Alimentation équilibrée
Exercice
Circulation sanguine
Caillots sanguins
Mobilité
Gestion du stress
Santé cardiovasculaire
Traitements
5
Fluides intraveineux
Vasodilatateurs
Chirurgie
Obstructions vasculaires
Anticoagulants
Caillots sanguins
Thérapie par compression
Retour veineux
Inotropes
Fonction cardiaque
Complications
5
Insuffisance organique
Choc
Insuffisance rénale
Perfusion
Infarctus du myocarde
Insuffisance cardiaque
Facteurs de risque
5
Obésité
Problèmes vasculaires
Stress chronique
Spasmes vasculaires
Hérédité
Maladies cardiovasculaires
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"@type": "Question",
"name": "Quels tests sanguins sont utiles pour la perfusion ?",
"position": 3,
"acceptedAnswer": {
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"text": "Les tests de lactate et d'oxygène artériel aident à évaluer la perfusion."
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"name": "Comment la capillaroscopie aide-t-elle au diagnostic ?",
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"position": 7,
"acceptedAnswer": {
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{
"@type": "Question",
"name": "Quels symptômes neurologiques sont liés à la perfusion ?",
"position": 8,
"acceptedAnswer": {
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"text": "Des symptômes comme des vertiges, des évanouissements et des maux de tête peuvent survenir."
}
},
{
"@type": "Question",
"name": "Comment la perfusion affecte-t-elle le cœur ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une perfusion insuffisante peut provoquer des douleurs cardiaques et des arythmies."
}
},
{
"@type": "Question",
"name": "Quels signes vitaux sont affectés par la perfusion ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "La fréquence cardiaque et la pression artérielle peuvent être anormales en cas de mauvaise perfusion."
}
},
{
"@type": "Question",
"name": "Comment prévenir les problèmes de perfusion ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hydratation et une alimentation équilibrée aide à prévenir les problèmes."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'exercice dans la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exercice régulier améliore la circulation sanguine et la perfusion tissulaire."
}
},
{
"@type": "Question",
"name": "Comment éviter les caillots sanguins ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Bouger régulièrement et éviter de rester immobile aide à prévenir les caillots."
}
},
{
"@type": "Question",
"name": "Quels facteurs de mode de vie influencent la perfusion ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme et l'obésité peuvent nuire à la perfusion et doivent être évités."
}
},
{
"@type": "Question",
"name": "Comment la gestion du stress aide-t-elle ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion du stress peut améliorer la circulation sanguine et la santé cardiovasculaire."
}
},
{
"@type": "Question",
"name": "Quels traitements améliorent la perfusion ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les fluides intraveineux et les médicaments vasodilatateurs sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Comment la chirurgie peut-elle aider la perfusion ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "La chirurgie peut corriger des obstructions vasculaires pour améliorer la circulation sanguine."
}
},
{
"@type": "Question",
"name": "Quel rôle jouent les anticoagulants dans la perfusion ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les anticoagulants préviennent la formation de caillots, améliorant ainsi la perfusion."
}
},
{
"@type": "Question",
"name": "Comment la thérapie par compression aide-t-elle ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle améliore le retour veineux et la perfusion dans les membres inférieurs."
}
},
{
"@type": "Question",
"name": "Quels médicaments sont utilisés pour traiter la perfusion ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les inotropes peuvent être utilisés pour améliorer la fonction cardiaque."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications d'une perfusion insuffisante ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent l'insuffisance organique, le choc et la mort cellulaire."
}
},
{
"@type": "Question",
"name": "Comment la perfusion affecte-t-elle les reins ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une perfusion insuffisante peut entraîner une insuffisance rénale aiguë."
}
},
{
"@type": "Question",
"name": "Quels risques cardiaques sont associés à une mauvaise perfusion ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les risques incluent l'infarctus du myocarde et l'insuffisance cardiaque."
}
},
{
"@type": "Question",
"name": "Comment la perfusion affecte-t-elle le système nerveux ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une perfusion insuffisante peut provoquer des AVC et des lésions cérébrales."
}
},
{
"@type": "Question",
"name": "Quelles infections peuvent résulter d'une mauvaise perfusion ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections comme la septicémie peuvent survenir en raison d'une perfusion altérée."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de mauvaise perfusion ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'hypertension, le diabète et le tabagisme augmentent le risque de mauvaise perfusion."
}
},
{
"@type": "Question",
"name": "Comment l'âge influence-t-il la perfusion ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Avec l'âge, la circulation sanguine peut diminuer, augmentant le risque de problèmes de perfusion."
}
},
{
"@type": "Question",
"name": "Quel impact a l'obésité sur la perfusion ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'obésité peut entraîner des problèmes vasculaires, augmentant le risque de mauvaise perfusion."
}
},
{
"@type": "Question",
"name": "Comment le stress chronique affecte-t-il la perfusion ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut provoquer des spasmes vasculaires, réduisant la perfusion."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'hérédité dans la perfusion ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antécédents familiaux de maladies cardiovasculaires peuvent augmenter le risque de mauvaise perfusion."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 07/02/2025
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Department of Surgery, Division of Cardiac Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada; Mazankowski Alberta Heart Institute, Edmonton, AB, Canada; Alberta Transplant Institute, Edmonton, AB, Canada; Canadian Donation and Transplantation Research Program, Edmonton, AB, Canada. Electronic address: jayan@ualberta.ca.
4 publications dans cette catégorie
Affiliations :
Department of Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
4 publications dans cette catégorie
Affiliations :
Department of Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Department of Surgery, Division of Cardiac Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada; Mazankowski Alberta Heart Institute, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Department of Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Department of Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Ray Rajotte Surgical Medical Research Institute (SMRI), Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Ray Rajotte Surgical Medical Research Institute (SMRI), Edmonton, AB, Canada.
Publications dans "Perfusion" :
3 publications dans cette catégorie
Affiliations :
Department of Surgery, Division of Cardiac Surgery, Faculty of Medicine, University of Alberta, Edmonton, AB, Canada; Mazankowski Alberta Heart Institute, Edmonton, AB, Canada; Alberta Transplant Institute, Edmonton, AB, Canada; Canadian Donation and Transplantation Research Program, Edmonton, AB, Canada.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
National Institute of Neurological Disorders and Stroke, Stroke Branch, National Institutes of Health, Bethesda, MD, USA.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
National Institute of Neurological Disorders and Stroke, Stroke Branch, National Institutes of Health, Bethesda, MD, USA.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
National Heart, Lung, and Blood Institute, National Institutes of Health, DHHS, Bethesda, Maryland, USA.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
University College London, Institute of Cardiovascular Science, London, UK.
Barts Heart Centre, St Bartholomew's Hospital, London, UK.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
National Heart, Lung, and Blood Institute, National Institutes of Health, DHHS, Bethesda, Maryland, USA.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Imaging Science, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
Department of Nuclear Medicine & PET Centre, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, 8200 Aarhus N, Denmark.
Department of Surgical Sciences, Nuclear Medicine and PET, Uppsala University, Uppsala, Sweden.
Publications dans "Perfusion" :
2 publications dans cette catégorie
Affiliations :
Department of Diagnostic Imaging and Radiology, University of Alberta, Edmonton, Canada.
Publications dans "Perfusion" :
The evaluation of deep-learning (DL) systems typically relies on the Area under the Receiver-Operating-Curve (AU-ROC) as a performance metric. However, AU-ROC, in its holistic form, does not sufficien...
The use of...
To estimate the summary sensitivity and specificity of...
Studies were included if PET/CT was performed for suspicion of PVE and IPD of both the PET/CT result and final diagnosis defined by a gold-standard assessment was available. There were 3 possible fina...
Seventeen studies were included with IPD available for 537 patients (from 538 scans). The summary sensitivity and specificity were 85% (95% CI 74.2%-91.8%) and 86.5% (95% CI 75.8%-92.9%) respectively ...
Developed as a plan-specific pre-treatment QA tool, Varian portal dosimetry promises a fast, high-resolution, and integrated QA solution. In this study, the agreement between predicted fluence and mea...
All patient plans and the corresponding verification plans were generated within the Eclipse treatment planning system. Four representative plans of different treatment sites (prostate, prostate with ...
Predicted and acquired portal dosimetry fluences demonstrated a high agreement evident by average gamma passing rates for the clinical patient plans of 99.90%, 96.64%, and 91.87% for γ...
Owing to the high achievable spatial resolution, portal dosimetry at the Halcyon can reliably be deployed as plan-specific pre-treatment QA tool to screen for errors. It is recommended to support the ...
Specific recognition and sensitive quantification of mRNA alternative splice variants have been a necessity for exploring the regulatory mechanism of RNA splicing and revealing the association between...
When evaluating potential new cancer screening modalities, estimating sensitivity, especially for early-stage cases, is critical. There are methods to approximate stage-specific sensitivity in asympto...
We fit natural history models to lung and ovarian cancer screening data that permitted estimation of stage-specific (early/late) true sensitivity, defined as the probability subjects screened in the g...
Stage-specific true sensitivities estimated by the lung cancer natural history model were 47% (early) and 63% (late). Simulation results for the prospective setting gave estimated sensitivities of 81%...
Existing methods for approximating stage-specific sensitivity in both prospective and retrospective scenarios are unsatisfactory; improvements are needed before they can be considered to be reliable....
Recombinant proteins in complex solutions are typically detected with tag-specific antibodies in Western blots. Here we describe an antibody-free alternative in which tagged proteins are detected dire...
Children with cancer often present with general and nonspecific symptoms leading to initial diagnostic workup inclusive of clinical imaging. Various sequences of magnetic resonance imaging (MRI) are b...
Enzyme-linked immunosorbent assays (ELISAs) are a cornerstone of modern molecular detection, but the technique still faces notable challenges. One of the biggest problems is discriminating true signal...
To evaluate the sensitivity and specificity of the ABCD progression display for keratoconus progression....
Data was collected from patients that underwent at least two Pentacam assessments 6 months apart. Sensitivity and specificity were calculated for the ABCD progression display. Progression was defined ...
Thirty eyes were evaluated over a median time of 10.3 months. Progression by criterion 1 resulted in a sensitivity of 61.9% and specificity of 88.9%. Progression by criterion 2 resulted in higher sens...
The ABCD progression display can assess keratoconus progression with high sensitivity and specificity, thus assisting the patients' decision-making process. The D parameter did not contribute to the s...
To systematically evaluate the evidence for the reliability, sensitivity and specificity of existing measures of vowel-initial voice onset....
A literature search was conducted across electronic databases for published studies (MEDLINE, EMBASE, Scopus, Web of Science, CINAHL, PubMed Central, IEEE Xplore) and grey literature (ProQuest for unp...
The search retrieved 6,983 records. Titles and abstracts were screened against the inclusion criteria by two independent reviewers, with a third reviewer responsible for conflict resolution. Thirty-fi...
A range of vowel-initial voice onset measurements have been applied throughout the literature, however, there is a lack of evidence regarding their sensitivity, specificity and reliability in the dete...