Temps de circulation sanguine : Questions médicales fréquentes
Nom anglais: Blood Circulation Time
Descriptor UI:D001776
Tree Number:E01.370.370.120
Termes MeSH sélectionnés :
Blood Flow Velocity
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"description": "Comment évaluer le temps de circulation sanguine ?\nQuels tests sont utilisés pour le diagnostic ?\nQuels signes indiquent un temps de circulation anormal ?\nLe temps de circulation peut-il être mesuré directement ?\nQuels symptômes nécessitent un diagnostic ?",
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"headline": "Symptômes sur Temps de circulation sanguine",
"description": "Quels sont les symptômes d'un temps de circulation lent ?\nComment reconnaître un temps de circulation rapide ?\nLes troubles de la vision sont-ils liés au temps de circulation ?\nQuels signes indiquent une mauvaise circulation sanguine ?\nLes douleurs musculaires sont-elles liées à la circulation ?",
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"headline": "Prévention sur Temps de circulation sanguine",
"description": "Comment prévenir les problèmes de circulation ?\nL'hydratation joue-t-elle un rôle ?\nLe stress affecte-t-il la circulation ?\nLes examens réguliers sont-ils importants ?\nLes vêtements ajustés affectent-ils la circulation ?",
"url": "https://questionsmedicales.fr/mesh/D001776?mesh_terms=Blood+Flow+Velocity&page=2#section-prévention"
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"name": "Traitements",
"headline": "Traitements sur Temps de circulation sanguine",
"description": "Quels traitements améliorent le temps de circulation ?\nLa chirurgie peut-elle être nécessaire ?\nQuels médicaments sont prescrits pour la circulation ?\nLes changements de mode de vie aident-ils ?\nLes thérapies physiques sont-elles bénéfiques ?",
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"description": "Quelles complications peuvent survenir ?\nLes maladies cardiaques sont-elles une complication ?\nComment les complications sont-elles traitées ?\nLes complications peuvent-elles être évitées ?\nLes complications affectent-elles la qualité de vie ?",
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"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Temps de circulation sanguine",
"description": "Quels sont les principaux facteurs de risque ?\nL'âge est-il un facteur de risque ?\nLe manque d'exercice influence-t-il la circulation ?\nLe stress chronique est-il un facteur de risque ?\nLes antécédents familiaux jouent-ils un rôle ?",
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"@type": "Question",
"name": "Comment évaluer le temps de circulation sanguine ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le temps de circulation peut être évalué par des tests comme la capillaroscopie ou l'échographie Doppler."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour le diagnostic ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests comme l'angiographie et les tests de perfusion peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent un temps de circulation anormal ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes comme des douleurs thoraciques ou des engourdissements peuvent indiquer un problème."
}
},
{
"@type": "Question",
"name": "Le temps de circulation peut-il être mesuré directement ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il peut être mesuré par des méthodes comme la thermodilution ou le suivi des marqueurs."
}
},
{
"@type": "Question",
"name": "Quels symptômes nécessitent un diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme des vertiges, des évanouissements ou des douleurs peuvent nécessiter un diagnostic."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes d'un temps de circulation lent ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fatigue, engourdissements et douleurs dans les membres."
}
},
{
"@type": "Question",
"name": "Comment reconnaître un temps de circulation rapide ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un temps de circulation rapide peut se manifester par des palpitations et des douleurs thoraciques."
}
},
{
"@type": "Question",
"name": "Les troubles de la vision sont-ils liés au temps de circulation ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles de la vision peuvent survenir en raison d'une circulation sanguine inadéquate."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une mauvaise circulation sanguine ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes comme des extrémités froides, des crampes et des changements de couleur de la peau."
}
},
{
"@type": "Question",
"name": "Les douleurs musculaires sont-elles liées à la circulation ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs musculaires peuvent être causées par une circulation sanguine insuffisante."
}
},
{
"@type": "Question",
"name": "Comment prévenir les problèmes de circulation ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir un mode de vie actif, une alimentation équilibrée et éviter le tabac aide à prévenir."
}
},
{
"@type": "Question",
"name": "L'hydratation joue-t-elle un rôle ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une bonne hydratation est essentielle pour maintenir une circulation sanguine efficace."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il la circulation ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut provoquer des problèmes de circulation en augmentant la pression artérielle."
}
},
{
"@type": "Question",
"name": "Les examens réguliers sont-ils importants ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des examens réguliers aident à détecter précocement les problèmes de circulation."
}
},
{
"@type": "Question",
"name": "Les vêtements ajustés affectent-ils la circulation ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des vêtements trop serrés peuvent entraver la circulation sanguine dans certaines zones."
}
},
{
"@type": "Question",
"name": "Quels traitements améliorent le temps de circulation ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des médicaments vasodilatateurs et des exercices physiques réguliers."
}
},
{
"@type": "Question",
"name": "La chirurgie peut-elle être nécessaire ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, dans certains cas, une chirurgie peut être nécessaire pour corriger des obstructions."
}
},
{
"@type": "Question",
"name": "Quels médicaments sont prescrits pour la circulation ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anticoagulants et des anti-inflammatoires peuvent être prescrits pour améliorer la circulation."
}
},
{
"@type": "Question",
"name": "Les changements de mode de vie aident-ils ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des changements comme une alimentation saine et l'arrêt du tabac peuvent aider."
}
},
{
"@type": "Question",
"name": "Les thérapies physiques sont-elles bénéfiques ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la kinésithérapie peut aider à améliorer la circulation sanguine et la mobilité."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des thromboses, des embolies ou des accidents vasculaires cérébraux peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les maladies cardiaques sont-elles une complication ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une circulation sanguine inadéquate peut entraîner des maladies cardiaques graves."
}
},
{
"@type": "Question",
"name": "Comment les complications sont-elles traitées ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent nécessiter des interventions chirurgicales ou des traitements médicamenteux."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être évitées ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en adoptant un mode de vie sain et en suivant les conseils médicaux, elles peuvent être évitées."
}
},
{
"@type": "Question",
"name": "Les complications affectent-elles la qualité de vie ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les complications liées à la circulation peuvent gravement affecter la qualité de vie."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'obésité, le tabagisme, l'hypertension et le diabète."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le risque de problèmes de circulation augmente avec l'âge."
}
},
{
"@type": "Question",
"name": "Le manque d'exercice influence-t-il la circulation ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sédentaire augmente le risque de problèmes circulatoires."
}
},
{
"@type": "Question",
"name": "Le stress chronique est-il un facteur de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut contribuer à des problèmes de circulation sanguine."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux jouent-ils un rôle ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de maladies cardiovasculaires augmentent le risque."
}
}
]
}
]
}
This study investigated effects of experimental baroreceptor stimulation on bilateral blood flow velocities in the anterior and middle cerebral arteries (ACA and MCA) using functional transcranial Dop...
Postinduction hypotension is closely related to postoperative complications. Elderly patients with compromised cardiovascular compensatory reserve are more susceptible to hypotension after induction o...
This prospective observational study included elderly patients aged 65 to 75 who were scheduled for elective surgery under general anesthesia with ASA physical status class of I-II, without cardiovasc...
Ninety-nine patients were included in the final analysis, of whom 63 developed postinduction hypotension. The area under the receiver operating characteristic curves was 0.87 (0.78 to 0.93) for caroti...
The carotid artery FTc is a reliable predictor of postinduction hypotension in elderly patients with ASA status of I or II, without cardiovascular disease, hypertension, diabetes, or obesity. Elderly ...
Clinical Trial Registry on August 2nd, 2020 ( www.chictr.org.cn ; ChiCTR2000035190)....
Recent evidence suggests that ultrasound measurements of carotid and brachial artery corrected flow time (FTc) and respirophasic variation in blood flow peak velocity (ΔVpeak) are valuable for predict...
A total of eighty mechanical ventilated patients were enrolled. Radial artery FTc and ΔVpeak, and non-invasive pulse pressure variation (PPV) were measured before and after fluid challenge. Fluid resp...
Forty-four (55%) patients were fluid responders. Multivariate logistic regression analysis showed that radial artery FTc, ΔVpeak, and non-invasive PPV were the independent predictors of fluid responsi...
Ultrasound measurement of radial artery FTc and ΔVpeak are the feasible and reliable methods for predicting fluid responsiveness in mechanically ventilated patients....
The trial was registered at the Chinese Clinical Trial Registry (ChiCTR)(www.chictr.org), registration number ChiCTR2000040941....
Accurate assessment of volume responsiveness in elderly patients is important as it may reduce the risk of post-operative complications and enhance surgical recovery. This study evaluated the utility ...
A total of 97 elderly patients undergoing elective abdominal surgery under general anaesthesia were enrolled in this prospective observational study. After entering the operating room, all patients un...
Forty-one (42.3%) patients were fluid responders. Carotid FTc before fluid challenge was negatively correlated with SVV before fluid challenge (r = -0.77; P < 0.01), and ΔVpeak was positively correlat...
There was a good correlation between carotid artery ultrasound parameters and SVV. FTc predicted fluid responsiveness better than ΔVpeak in elderly patients during general anaesthesia. Further study i...
www.chictr.org.cn (ChiCTR2000031193); registered 23 March 2020....
The descending aorta velocity is important predictor of aortic disease in children and can be very helpful in some clinical and surgical decision making....
The purpose of this study is to assess the normative values of descending aorta velocity among children from South-East Nigeria. It also aimed to assess the correlation between age, body surface area ...
This is a cross-sectional study where the descending aorta velocity of one hundred and eleven children were enrolled consecutively using digitized two-dimensional and Doppler echocardiography....
A total of 111 children had echocardiography to study their cardiac structures and compute their mean scores of their descending aorta velocity. The mean velocity across the descending aorta was 1.3±0...
The presented normalized values of the descending aorta velocity using a digitized two-dimensional and Doppler echocardiography among healthy children will serve as a reference values for further stud...
Ultrafast cerebral Doppler ultrasound enables simultaneous quantification and visualization of cerebral blood flow velocity. The aim of this study is to compare the use of conventional and ultrafast s...
A single-center prospective observational cohort study in infants up to six months of age. We evaluated conventional and ultrafast spectral Doppler cerebral ultrasound measurements in terms of number ...
Twenty infants were included with useable conventional spectral Doppler images in 72/100 measurements and ultrafast Doppler images in 51/100 measurements. Intraoperatively, the success rates were 53/6...
It is possible to quantify cortical blood flow velocity during general anesthesia using conventional and ultrafast spectral Doppler cerebral ultrasound. Cerebral blood flow velocity and blood pressure...
We present a model to estimate the bias error of 4D flow magnetic resonance imaging (MRI) velocity measurements. The local instantaneous bias error is defined as the difference between the expectation...
To evaluate the sensitivity and specificity of inferior vena cava (IVC) distensibility index (∆IVC) and respiratory variation in peak aortic blood flow velocity (∆Vpeak) to predict fluid responsivenes...
In this prospective observational study, conducted in a pediatric ICU from January 2019 through May 2020, consecutive children aged 2 mo to 17 y with shock requiring fluid bolus were included. ∆IVC an...
Thirty-seven ventilated children [26 (70.4%) boys] with median age of 60 (36, 108) mo were included. The median (IQR) ∆IVC was 21.7% (14.3, 30.9) and the median (IQR) ΔVpeak was 11.3% (7.2, 15.2). Twe...
In this study, authors found that ∆IVC and ΔVpeak were good predictors of fluid responsiveness in ventilated children with shock....
To validate the k-adaptive-t autocalibrating reconstruction for Cartesian sampling (kat-ARC), an exclusive sparse reconstruction technique for four-dimensional (4D) flow cardiac magnetic resonance (CM...
This observational retrospective study (2020/21-075) was approved by the local ethics committee at the University of East Anglia. Consent was waived. Thirty-five patients who had a clinical CMR scan w...
The median age of our patient population was 63 years (interquartile range [IQR] 54-73), and 18/35 (51%) were male. Seventeen (49%) patients had mitral regurgitation, and seven (20%) patients had aort...
Kat-ARC accelerated 4D flow CMR quantified transvalvular flow in accordance with the conservation of mass principle and is primed for clinical translation....
This study aimed to develop a quantitative analysis program of blood flow velocity by vessel diameter in neovascular age-related macular degeneration (nAMD) subjects using high-speed swept-source opti...