Titre : Science des ultrasons

Science des ultrasons : Questions médicales fréquentes

Termes MeSH sélectionnés :

Case-Control Studies
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survenir avec les ultrasons ?\nLes ultrasons peuvent-ils causer des douleurs ?\nY a-t-il des risques liés à l'échographie pendant la grossesse ?\nLes ultrasons peuvent-ils endommager les tissus ?\nQuelles sont les complications possibles de la lithotripsie par ultrasons ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Case-Control+Studies&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Science des ultrasons", "description": "Quels facteurs augmentent le besoin d'échographies ?\nLes personnes âgées ont-elles besoin de plus d'échographies ?\nLes antécédents de cancer augmentent-ils le besoin d'échographies ?\nLes femmes enceintes à risque ont-elles besoin d'échographies fréquentes ?\nLes personnes avec des maladies cardiovasculaires doivent-elles faire des échographies ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Case-Control+Studies&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment les ultrasons sont-ils utilisés en diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les ultrasons permettent de visualiser les organes internes et détecter des anomalies." } }, { "@type": "Question", "name": "Quels types d'examens utilisent les ultrasons ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les échographies abdominales, cardiaques et obstétricales sont courantes." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils détecter des tumeurs ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils aident à localiser et évaluer la taille des tumeurs dans divers organes." } }, { "@type": "Question", "name": "Les ultrasons sont-ils sûrs pour les femmes enceintes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les ultrasons sont considérés comme sûrs et non invasifs pendant la grossesse." } }, { "@type": "Question", "name": "Peut-on utiliser les ultrasons pour évaluer le cœur ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'échocardiographie utilise des ultrasons pour examiner la fonction cardiaque." } }, { "@type": "Question", "name": "Quels symptômes peuvent nécessiter un examen par ultrasons ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales, des masses palpables ou des anomalies détectées à l'examen." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à diagnostiquer des infections ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent montrer des abcès ou des inflammations dans les tissus." } }, { "@type": "Question", "name": "Quels signes indiquent une échographie abdominale ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des nausées, vomissements ou jaunisse peuvent le justifier." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils détecter des anomalies vasculaires ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'échographie Doppler évalue la circulation sanguine et les anomalies vasculaires." } }, { "@type": "Question", "name": "Quels symptômes cardiaques peuvent nécessiter une échocardiographie ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des palpitations, essoufflement ou douleurs thoraciques peuvent justifier cet examen." } }, { "@type": "Question", "name": "Comment les ultrasons aident-ils à la prévention des maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Ils permettent un dépistage précoce des maladies, comme les cancers ou les maladies cardiaques." } }, { "@type": "Question", "name": "Les échographies peuvent-elles prévenir des complications pendant la grossesse ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles surveillent le développement du fœtus et détectent des anomalies précoces." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à prévenir les maladies cardiovasculaires ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils évaluent les risques et détectent les problèmes cardiaques avant qu'ils ne s'aggravent." } }, { "@type": "Question", "name": "Comment les ultrasons contribuent-ils à la santé des femmes ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Ils permettent de surveiller la santé reproductive et de détecter des anomalies gynécologiques." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à prévenir des infections ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent détecter des abcès ou des inflammations avant qu'elles ne s'aggravent." } }, { "@type": "Question", "name": "Les ultrasons sont-ils utilisés en thérapie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils sont utilisés pour traiter des douleurs, des lésions et des calculs rénaux." } }, { "@type": "Question", "name": "Comment les ultrasons aident-ils à traiter les calculs rénaux ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La lithotripsie par ultrasons brise les calculs en petits morceaux pour faciliter l'élimination." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à la cicatrisation des blessures ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils stimulent la circulation sanguine et favorisent la régénération des tissus." } }, { "@type": "Question", "name": "Peut-on utiliser les ultrasons pour traiter des douleurs articulaires ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la thérapie par ultrasons peut réduire la douleur et l'inflammation dans les articulations." } }, { "@type": "Question", "name": "Les ultrasons sont-ils efficaces pour traiter les tumeurs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent être utilisés pour détruire certaines tumeurs par ablation ciblée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec les ultrasons ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications sont rares, mais peuvent inclure des réactions allergiques aux gels utilisés." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils causer des douleurs ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Généralement non, mais une pression excessive peut provoquer un léger inconfort." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à l'échographie pendant la grossesse ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les échographies sont considérées comme sûres, mais doivent être effectuées par des professionnels." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils endommager les tissus ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "À des niveaux normaux, ils ne causent pas de dommages, mais une exposition excessive est à éviter." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de la lithotripsie par ultrasons ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements ou des infections peuvent survenir après le traitement des calculs rénaux." } }, { "@type": "Question", "name": "Quels facteurs augmentent le besoin d'échographies ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Antécédents familiaux de maladies, symptômes persistants ou grossesse à risque." } }, { "@type": "Question", "name": "Les personnes âgées ont-elles besoin de plus d'échographies ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont plus susceptibles de développer des maladies nécessitant un suivi par ultrasons." } }, { "@type": "Question", "name": "Les antécédents de cancer augmentent-ils le besoin d'échographies ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi régulier par ultrasons est souvent recommandé pour détecter des récidives." } }, { "@type": "Question", "name": "Les femmes enceintes à risque ont-elles besoin d'échographies fréquentes ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles nécessitent un suivi plus étroit pour surveiller le développement du fœtus." } }, { "@type": "Question", "name": "Les personnes avec des maladies cardiovasculaires doivent-elles faire des échographies ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent nécessiter des échographies régulières pour surveiller leur état cardiaque." } } ] } ] }

Sources (10000 au total)

Endothelium-biomarkers for postthrombotic syndrome: a case-control study.

The postthrombotic syndrome (PTS) is a long-term complication of deep venous thrombosis (DVT). Increase knowledge on the PTS pathophysiology and novel biomarkers are needed in order to predict PTS dev... A case-control study was conducted. Inclusion criteria were symptomatic and confirmed DVT patients treated with anticoagulants for at least 3 months. Villalta score was performed at the time of inclus... Thirty two patients and 61 controls were included. PTS patients showed higher levels of CEC (0.56/μl (0.34-1.5) vs. 0.20/μl (0.11-0.77); P = 0.04) and EPC (0.75/μl (0.38-1.52) vs. 0.09/μl (0.05-0.82);... The formation and early resolution of DVT are characterized by inflammation and endothelial/platelet activation. We have identified possible novel biomarkers such as CEC, EPC and fractalkine for the d...

Risk Factors for Postoperative Pneumonia: A Case-Control Study.

Postoperative pneumonia is a preventable complication associated with adverse outcomes, that greatly aggravates the medical expenses of patients. The goal of our study is to identify risk factors and ... A matched 1:1 case-control study, including adult patients who underwent surgery between January 2020 and June 2020, was conducted in the Second Affiliated Hospital of Kunming Medical University in Ch... Out of 17,190 surgical patients, 264 (1.54%) experienced postoperative pneumonia. Increased age, chronic obstructive pulmonary disease, emergency surgery, postoperative reduced albumin, prolonged vent... Postoperative pneumonia is associated with severe clinical outcomes. We identified six independent risk factors that can aid in risk stratification and management of patients at risk of postoperative ... www.chictr.org.cn, identifier: chiCTR2100045986....

Significance of temperature in antimuscarinic toxicity: a case-control study.

Antimuscarinic toxicity can result in temperature dysregulation, but the clinical significance of this is unclear. The objective of this study was to compare peak temperatures between antimuscarinic p... This was a case-control analysis at two large, urban, academic medical centers from January 1, 2016, through December 31, 2021. We compared peak temperature (... Fifty-six patients met inclusion criteria of which 23 developed severe outcomes: 16 seizures, 9 cases with hypotension, 5 intubations, and 2 ventricular dysrhythmias. Tmax amongst all patients ranged ... Maximum temperatures did not differ between patients with and without severe outcomes in the setting of antimuscarinic toxicity, and temperature was poorly predictive of outcomes. Our findings suggest...

A postmortem case control study of asbestos burden in lungs of malignant mesothelioma cases.

Asbestos lung content is regarded as the most reliable tool for causal attribution of malignant mesothelioma (MM) to previous asbestos exposures. However, there is a lack of studies on asbestos burden... Asbestos lung content has been assessed on formalin-fixed lung fragments using scanning electron microscopy coupled with energy dispersion spectroscopy (SEM-EDS) on individuals deceased from MM (cases... Asbestos and asbestos bodies (ABs) were found, respectively, in 73.7% and 43.2% of cases and in 28 and 22% of controls; in MM cases the most represented asbestos types were crocidolite and amosite, wh... The results suggest a correlation between asbestos burden in lungs and MM risk. The different concentration of chrysotile, as well as the different width of asbestos fibers in MM males and females mig...

Anemia and Idiopathic Intracranial Hypertension: A Case-Control Study.

Idiopathic intracranial hypertension (IIH) is a condition that mostly affects obese women of childbearing age but has been reported to be temporally related to new diagnoses of anemia. Despite these r... Consecutive IIH patients were recruited from neuro-ophthalmology clinics and matched by age and sex to consecutive patients attending neuro-ophthalmology clinics with diagnoses other than IIH. Complet... One hundred twenty-three IIH patients and 113 controls were included in the study. More IIH patients than controls had anemia (22.8%, 28/123 vs 10.6%, 12/113, P = 0.01) with an odds ratio of 2.48 (95%... Idiopathic intracranial hypertension patients have a higher prevalence of anemia compared with non-IIH neuro-ophthalmology patients. The anemia was mostly mild and may be explained by other factors re...

Study on the association between adverse drug reactions to opioids and gene polymorphisms: a case-case-control study.

Adverse drug reactions (ADRs) caused by opioid drugs show individual differences. Our objective was to explore the association between gene polymorphism and ADRs induced by opioid drugs.... Evidence-based medical data analysis was conducted for genes related to ADRs induced by opioid drugs to select target genes. Sixty patients with cancer pain who had ADRs after taking opioid drugs (mor... Based on a database search and evidence-based medical data, we identified CYP2D6*10, CYP3A5*3, ABCB1, and OPRM1 as target genes for detection. The results of statistical analysis showed no significant... Polymorphism of ABCB1 (062rs1045642) is related to ADRs caused by oxycodone, and the incidence of ADRs is higher with the allele T. Polymorphism of ABCB1 is expected to become a clinical predictor of ...

Systemic hormone therapy and dementia: A nested case-control and co-twin control study.

The effect of systemic hormone therapy (HT) on dementia risk is unclear. Our aim was to investigate the association between HT and dementia.... This register-based study consists of a nested case-control study and a co-twin control design, which controls for familial confounding, including shared genetics.... Through Danish national registries from 1995 to 2011, we identified: a) 2700 female singletons with incident dementia and 13,492 matched controls; b) 288 female twins with incident dementia and co-twi... The odds ratio (OR) for the association between systemic HT and dementia was 1.05, 95% CI = [0.93-1.19] in singletons and 2.10, 95% CI = [0.99-4.46] in twins. A statistically significant association w... Using Danish nationwide registries and controlling for education and for familial factors in a subsample, systemic HT was found to be associated with increased dementia risk if used before 2003, when ...