questionsmedicales.fr
Régions géographiques
Villes
Villes : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"text": "L'impact se mesure par des études épidémiologiques et des indicateurs de santé."
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"name": "Quels signes indiquent une mauvaise qualité de l'eau en ville ?",
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"text": "Éduquer sur l'hydratation et l'ombre, et créer des refuges frais sont des stratégies clés."
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"@type": "Question",
"name": "Quels sont les risques liés à la chaleur en milieu urbain ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes âgées et celles avec des maladies chroniques sont particulièrement à risque."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de maladies infectieuses en ville ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "La densité de population et l'accès limité à l'eau potable augmentent les risques."
}
},
{
"@type": "Question",
"name": "Quels comportements augmentent le risque de problèmes de santé en ville ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme, la sédentarité et une alimentation déséquilibrée sont des comportements à risque."
}
}
]
}
]
}
Patients undergoing recurrent platelet transfusions can become refractory to these transfusions. Platelet antibody screens (Immucor), platelet crossmatching assays (Immucor), and HLA antibody testing ...
To evaluate the diagnostic performance of platelet function analyzer (PFA) and The International Society on Thrombosis and Hemostasis bleeding-assessment-tool (ISTH-BAT) in detecting mild inherited pl...
Prospective single-center diagnostic study including consecutive patients <18 years with suspected bleeding disorder and performing a standardized workup for platelet function defects including ISTH-B...
We studied 97 patients, of which 34 von Willebrand disease (VWD, 22 type-1, 11 type-2), 29 IPFDs (including delta-/alpha-storage pool disease, Glanzmann thrombasthenia, Hermansky-Pudlak syndrome) and ...
Neither ISTH-BAT nor PFA or the combination of both help diagnosing mild IPFDs in children. PFA is suited to exclude severe IPFDs or VWD and is in this regard superior to ISTH-BAT in children....
Dual antiplatelet therapy (DAPT) is necessary to minimize the risk of periprocedural thromboembolic complications associated with aneurysm embolization using pipeline embolization device (PED). We aim...
Patients with unruptured intracranial aneurysms requiring PED flow diversion were identified from 13 centers for retrospective evaluation. Clinical variables including the results of PFT before treatm...
580 patients underwent PED embolization with 262 patients dichotomized to the PFT group and 318 patients to the non-PFT group. 13.7% of PFT group patients were clopidogrel nonresponders requiring chan...
Preprocedural PFT before PED treatment of intracranial aneurysms in patients premedicated with an aspirin and clopidogrel DAPT regimen may not be necessary to significantly reduce the risk of procedur...
Platelets are well-known players in several cardiovascular diseases such as atherosclerosis and venous thrombosis. There are increasing evidence demonstrating that reactive oxygen species (ROS) is gen...
Filariasis is a chronic disease where parasitic worms survive in human hosts even for decades and lead to complications like lymphedema and elephantiasis. Despite the persistent existence of filarial ...
Prolong platelet survival and functionality up to 28 days....
A sample of apheresis platelets was evaluated, distributed in 3 groups according to the cryopreservative solution used: DMSO5%+2%albumin; DMSO5%+NaCl0,9% and DMSO5%+Dextrose2%. They were then frozen a...
A total of 72 platelet aliquots was analyzed. The CG presented a platelet-count of 1934 ± 0.5 × 10...
The results support cryopreservation as a reasonable method to prolong platelet survival up to 28 days, maintaining its functionality and viability greater than 50%....
Transfusion of defective platelets could contribute to the inefficiency of platelet transfusion in preventing or stopping bleeding....
This single-center prospective study aimed to determine the prevalence of functional platelet abnormalities in a population of blood donors with a clinical history of bleeding diathesis or with histor...
One hundred and ninety-five donors identified based on a history of hematoma and 2434 blood donors were included in the study. Eighty-eight donors (3.6%) had a bleeding score indicating a potential bl...
The bleeding questionnaire proved to be a valuable tool to screen blood donors for potential platelet defects. Platelet dysfunction was rare in the blood donor population assessed. Additional studies ...
Lipoprotein(a) (Lp(a)) is associated with atherothrombosis through several mechanisms, including putative antifibrinolytic properties. However, genetic association studies have not demonstrated an ass...
Previous literature suggests that sphingolipids may impact systemic coagulation and platelet aggregation, thus modulating the risks of thrombotic events. The goal of this investigation was to evaluate...
C57BL/6J mice were injected with either normal saline, 1 mg/kg FTY720 (synthetic sphingosine-1-phosphate [S1P] receptor analog), or 5 mg/kg SLM6031434 (sphingosine kinase two inhibitor). Mice were sac...
FTY720 and SLM6031434 pretreated induced similar arachidonic acid and adenosine diphosphate-mediated platelet aggregation as controls. Ex vivo WB and platelet-rich plasma treatment with S1P, FTY720, a...
Sphingolipid modulating agents, such as FTY720, SLM6031434, S1P, amitriptyline, ceramide, and d-sphingosine do not appear to independently impact platelet aggregation in murine models....
Conflicting results have been reported on platelet activity...
To assess platelet reactivity in patients with moderate disease at early stages of COVID-19....
We performed a prospective, descriptive analysis of 100 consecutive patients presenting with suspected SARS-CoV-2 infection at University Medical Center Freiburg during the first or second wave of the...
Platelet aggregation was significantly impaired in the patients with COVID-19 compared with that in the patient controls or healthy subjects. The reduced platelet responsiveness in the patients with C...
Despite reduced platelet responsiveness, platelet-neutrophil complexes are increased at early stages of moderate disease. Thus, this cellular interaction may occur during COVID-19 without preceding pl...