questionsmedicales.fr
Techniques d'investigation
Perfusion
Perfusion : Questions médicales fréquentes
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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"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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"@type": "Question",
"name": "Comment la capillaroscopie aide-t-elle au diagnostic ?",
"position": 4,
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"@type": "Question",
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"@type": "Question",
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"position": 7,
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}
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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" :
Perfusion weighted imaging (PWI) is critical for determining whether stroke patients presenting in an extended time window are candidates for mechanical thrombectomy. However, PWI is not always availa...
The National Institutes of Health (NIH) FHV score was developed to quantify the burden of FHV and applied to magnetic resonance imaging scans of stroke patients with fluid-attenuated inversion recover...
There were 101 patients included in the analysis, of whom 78% had a perfusion deficit detected on PWI with a mean lesion volume of 47 (±59) mL. The NIH-FHV score was strongly associated with the PWI l...
The NIH-FHV score provides an estimate of the PWI lesion volume and, when combined with diffusion weighted imaging, may be helpful when trying to determine whether there is a clinically relevant diffu...
Although hypothermic machine perfusion (HMP) is associated with improved kidney graft viability and function, the underlying biological mechanisms are unknown. Untargeted metabolomic profiling may ide...
This letter responds to the article "Neither Ethical nor Prudent: Why Not to Choose Normothermic Regional Perfusion," by Adam Omelianchuk et al., in the July-August 2024 issue of the Hastings Center R...
Type 2 diabetes mellitus (T2DM) is associated with altered cerebral vasoreactivity, cognitive impairment, and functional decline. Magnetic Resonance (MR) perfusion can be used to assess cerebral blood...
The study included 52 patients diagnosed with T2DM and 39 healthy individuals. The diabetic patients were classified into three groups (PRP: proliferative retinopathy, NPRP: non-proliferative retinopa...
The comparison between the T2DM group and the control group revealed that rCBF values of bilateral frontal lobes, cingulate gyrus, medial temporal lobe, thalami and right occipital lobe were measured ...
Regional hypoperfusion was encountered in most of the lobes in the T2DM group when compared with the healthy group. However, in terms of rCBF values, there was no significant difference among the thre...
Pulmonary blood flow can be assessed on ventilation-perfusion (VQ) scan with relative lung perfusion, with a 55% to 45% (or 10%) right-to-left differential considered normal. We hypothesized that wide...
We conducted a retrospective cohort study on all patients who underwent double-lung transplant in our program between 2005 and 2016, identifying patients with a wide perfusion differential of >10% on ...
Of 340 patients who met inclusion criteria, 169 (49%) had a relative perfusion differential of ≥ 10% on a 3-mo VQ scan. Patients with increased perfusion differential had increased risk of death or re...
Wide lung perfusion differential was common after lung transplant in our cohort and associated with increased risk of death, poor lung function, and CLAD onset. The nature of this abnormality and its ...
Although COVID-19 infection is associated with the increased risk of pulmonary thromboembolism (PTE), COVID-19 pulmonary lesions cause ventilation-perfusion (V/Q) patterns other than PTE. Although ext...
This article describes fabrication of a customizable bioreactor, which comprises a perfusion system and coverslip-based tissue culture chamber that allow centimeter-scale vascularized or otherwise can...
Anterograde or retrograde cerebral perfusion can protect the brain from ischemic injury during hypothermic circulatory arrest (HCA), but neither type of perfusion provides blood flow to the abdominal ...
We aimed at examining both the incidence and extent of different lung perfusion abnormalities as well as the relationship between them on Tc-99m macroaggregated albumin (MAA) perfusion-only SPECT/CT s...
Ninety-one patients (71.4 ± 13.9 years; range: 29-98 years, median age: 74 years; 45 female and 46 male) with confirmed SARS-CoV-2 virus infection were included in this retrospective study. After perf...
Moderately severe parenchymal lesions were detected in 87 (95.6%) patients. Although, 50 (54.95%) patients were depicted to have MM lesions, the whole patient cohort was mildly affected by this abnorm...
Heterogeneous perfusion abnormalities were found in most of COVID-19 patients: parenchymal lesions with normal, decreased or increased perfusion and perfusion defects in healthy lung areas. These phen...
Liver transplantation is the only chance of cure for people with end-stage liver disease and some people with advanced liver cancers or acute liver failure. The increasing prevalence of these conditio...
To evaluate the effects of different methods of machine perfusion (including hypothermic oxygenated machine perfusion (HOPE), normothermic machine perfusion (NMP), controlled oxygenated rewarming, and...
We used standard, extensive Cochrane search methods. The latest search date was 10 January 2023....
We included randomised clinical trials which compared different methods of machine perfusion, either with each other or with SCS. Studies comparing HOPE via both hepatic artery and portal vein, or via...
We used standard Cochrane methods. Our primary outcomes were 1. overall participant survival, 2. quality of life, and 3. serious adverse events. Secondary outcomes were 4. graft survival, 5. ischaemic...
We included seven randomised trials (1024 transplant recipients from 1301 randomised/included livers). All trials were parallel two-group trials; four compared HOPE versus SCS, and three compared NMP ...
In situations where the decision has been made to transplant a liver donated after circulatory death or donated following brain death, end-ischaemic HOPE will provide superior clinically relevant outc...