Titre : Sous-pesanteur

Sous-pesanteur : Questions médicales fréquentes

Termes MeSH sélectionnés :

Blood Pressure
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sous-pesanteur affecte-t-elle le système cardiovasculaire ?\nY a-t-il des effets sur le système musculo-squelettique ?\nQuels troubles sensoriels peuvent survenir ?\nLa sous-pesanteur cause-t-elle des problèmes psychologiques ?", "url": "https://questionsmedicales.fr/mesh/D018472?mesh_terms=Blood+Pressure&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Sous-pesanteur", "description": "Comment prévenir les effets de la sous-pesanteur ?\nLes astronautes suivent-ils des protocoles spécifiques ?\nQuels exercices sont recommandés en situation de sous-pesanteur ?\nLa surveillance médicale est-elle nécessaire ?\nLes technologies peuvent-elles aider à la prévention ?", "url": "https://questionsmedicales.fr/mesh/D018472?mesh_terms=Blood+Pressure&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Sous-pesanteur", "description": "Quels traitements sont disponibles pour les effets de la sous-pesanteur ?\nComment la réhabilitation physique aide-t-elle ?\nLes suppléments nutritionnels sont-ils nécessaires ?\nY a-t-il des médicaments pour traiter les symptômes ?\nLa thérapie psychologique est-elle utile ?", "url": "https://questionsmedicales.fr/mesh/D018472?mesh_terms=Blood+Pressure&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Sous-pesanteur", "description": "Quelles complications peuvent survenir avec la sous-pesanteur ?\nLa perte osseuse est-elle une complication fréquente ?\nDes problèmes de vision peuvent-ils survenir ?\nLes troubles psychologiques sont-ils courants ?\nComment les complications sont-elles gérées ?", "url": "https://questionsmedicales.fr/mesh/D018472?mesh_terms=Blood+Pressure&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Sous-pesanteur", "description": "Quels sont les facteurs de risque de la sous-pesanteur ?\nL'âge influence-t-il les effets de la sous-pesanteur ?\nLes antécédents médicaux jouent-ils un rôle ?\nLes femmes enceintes sont-elles à risque ?\nLes jeunes adultes sont-ils moins affectés ?", "url": "https://questionsmedicales.fr/mesh/D018472?mesh_terms=Blood+Pressure&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer la sous-pesanteur ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur l'évaluation des symptômes et des conditions d'exposition à l'espace." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer les effets de la sous-pesanteur ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de fonction musculaire, d'équilibre et d'ostéodensité sont couramment utilisés." } }, { "@type": "Question", "name": "Quels signes cliniques indiquent une exposition prolongée à la sous-pesanteur ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme la perte de masse musculaire, la déminéralisation osseuse et des troubles de l'équilibre." } }, { "@type": "Question", "name": "La sous-pesanteur peut-elle être mesurée ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des dispositifs spécifiques mesurent les effets de la gravité réduite sur le corps." } }, { "@type": "Question", "name": "Quels professionnels évaluent la sous-pesanteur ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des médecins spécialisés en médecine spatiale et en physiologie sont impliqués." } }, { "@type": "Question", "name": "Quels sont les symptômes courants de la sous-pesanteur ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, vertiges, troubles de la vision et désorientation." } }, { "@type": "Question", "name": "La sous-pesanteur affecte-t-elle le système cardiovasculaire ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut provoquer des modifications de la pression artérielle et du rythme cardiaque." } }, { "@type": "Question", "name": "Y a-t-il des effets sur le système musculo-squelettique ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la sous-pesanteur peut entraîner une atrophie musculaire et une perte osseuse." } }, { "@type": "Question", "name": "Quels troubles sensoriels peuvent survenir ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles de la vision et de l'équilibre sont fréquents en situation de sous-pesanteur." } }, { "@type": "Question", "name": "La sous-pesanteur cause-t-elle des problèmes psychologiques ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des effets psychologiques comme l'anxiété et la dépression peuvent se manifester." } }, { "@type": "Question", "name": "Comment prévenir les effets de la sous-pesanteur ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention passe par des exercices réguliers et une nutrition adéquate avant et pendant l'exposition." } }, { "@type": "Question", "name": "Les astronautes suivent-ils des protocoles spécifiques ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils suivent des programmes d'entraînement et de nutrition rigoureux avant les missions." } }, { "@type": "Question", "name": "Quels exercices sont recommandés en situation de sous-pesanteur ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des exercices de résistance et d'équilibre sont recommandés pour maintenir la masse musculaire." } }, { "@type": "Question", "name": "La surveillance médicale est-elle nécessaire ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une surveillance médicale régulière est essentielle pour détecter les effets précoces." } }, { "@type": "Question", "name": "Les technologies peuvent-elles aider à la prévention ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des technologies comme les simulateurs de gravité peuvent être utilisées pour l'entraînement." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour les effets de la sous-pesanteur ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des exercices physiques, des thérapies de réhabilitation et des suppléments nutritionnels." } }, { "@type": "Question", "name": "Comment la réhabilitation physique aide-t-elle ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Elle aide à restaurer la force musculaire et l'équilibre après une exposition prolongée." } }, { "@type": "Question", "name": "Les suppléments nutritionnels sont-ils nécessaires ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des suppléments de calcium et de vitamine D peuvent être recommandés pour la santé osseuse." } }, { "@type": "Question", "name": "Y a-t-il des médicaments pour traiter les symptômes ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments peuvent être prescrits pour gérer les vertiges et l'anxiété." } }, { "@type": "Question", "name": "La thérapie psychologique est-elle utile ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut aider à gérer les effets psychologiques de la sous-pesanteur." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec la sous-pesanteur ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des fractures, des troubles cardiovasculaires et des problèmes psychologiques." } }, { "@type": "Question", "name": "La perte osseuse est-elle une complication fréquente ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la perte osseuse est une complication majeure due à l'absence de gravité." } }, { "@type": "Question", "name": "Des problèmes de vision peuvent-ils survenir ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles visuels comme la vision floue peuvent être des complications." } }, { "@type": "Question", "name": "Les troubles psychologiques sont-ils courants ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'anxiété et la dépression peuvent survenir en raison de l'isolement et de la gravité réduite." } }, { "@type": "Question", "name": "Comment les complications sont-elles gérées ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont gérées par des traitements médicaux, des thérapies et des programmes de réhabilitation." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque de la sous-pesanteur ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent la durée d'exposition, l'âge et l'état de santé général." } }, { "@type": "Question", "name": "L'âge influence-t-il les effets de la sous-pesanteur ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées peuvent être plus vulnérables aux effets de la sous-pesanteur." } }, { "@type": "Question", "name": "Les antécédents médicaux jouent-ils un rôle ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de maladies cardiovasculaires ou musculo-squelettiques augmentent les risques." } }, { "@type": "Question", "name": "Les femmes enceintes sont-elles à risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la sous-pesanteur peut avoir des effets sur la grossesse et le développement fœtal." } }, { "@type": "Question", "name": "Les jeunes adultes sont-ils moins affectés ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "En général, les jeunes adultes récupèrent mieux des effets de la sous-pesanteur." } } ] } ] }

Sources (10000 au total)

Blood pressure control for diabetic retinopathy.

Diabetic retinopathy is a common complication of diabetes and a leading cause of visual impairment and blindness. Research has established the importance of blood glucose control to prevent developmen... To summarize the existing evidence regarding the effect of interventions to control blood pressure levels among diabetics on incidence and progression of diabetic retinopathy, preservation of visual a... We searched several electronic databases, including CENTRAL, and trial registries. We last searched the electronic databases on 3 September 2021. We also reviewed the reference lists of review article... We included randomized controlled trials (RCTs) in which either type 1 or type 2 diabetic participants, with or without hypertension, were assigned randomly to more intense versus less intense blood p... Pairs of review authors independently reviewed the titles and abstracts of records identified by the electronic and manual searches and the full-text reports of any records identified as potentially r... We included 29 RCTs conducted in North America, Europe, Australia, Asia, Africa, and the Middle East that had enrolled a total of 4620 type 1 and 22,565 type 2 diabetic participants (sample sizes from... Hypertension is a well-known risk factor for several chronic conditions for which lowering blood pressure has proven to be beneficial. The available evidence supports a modest beneficial effect of int...

High blood pressure prevalence, awareness, treatment, and blood pressure control among Ugandans with rheumatic and musculoskeletal disorders.

Rheumatic and musculoskeletal disorders (RMDs) are associated with cardiovascular diseases (CVDs), with hypertension being the most common. We aimed to determine the prevalence of high blood pressure ... We conducted a cross-sectional study at the Rheumatology Clinic of Mulago National Referral Hospital (MNRH), Kampala, Uganda. Socio-demographic, clinical characteristics and anthropometric data were c... A total of 100 participants were enrolled. Of these, majority were female (84%, n = 84) with mean age of 52.1 (standard deviation: 13.8) years and median body mass index of 28 kg/m2 (interquartile ran... There was a high burden of HBP among people with RMDs in Uganda with poor blood pressure control, associated with high BMI and increasing age. There is a need for further assessment of the RMD specifi...

Cardiovascular and health cost impacts of cuff blood pressure underestimation and overestimation of invasive aortic systolic blood pressure.

Hypertension management is directed by cuff blood pressure (BP), but this may be inaccurate, potentially influencing cardiovascular disease (CVD) events and health costs. This study aimed to determine... Microsimulations based on Markov modelling over one year were used to determine the differences in the number of CVD events (myocardial infarction or coronary death, stroke, atrial fibrillation or hea... The proportion of people with cuff SBP underestimation versus overestimation progressively increased as SBP increased. This reached a maximum ratio of 16 : 1 in people with hypertension grades II and ... Cuff SBP underestimation can result in potentially preventable CVD events being missed and major increases in health costs. These issues could be remedied with improved cuff SBP accuracy....

Influence of Baseline Diastolic Blood Pressure on the Effects of Intensive Blood Pressure Lowering: Results From the STEP Randomized Trial.

The STEP (Strategy of Blood Pressure Intervention in the Elderly Hypertensive Patients) trial demonstrated that intensive systolic blood pressure (SBP) lowering has cardiovascular benefits. However, t... We performed a post hoc analysis of the STEP trial. Participants were randomly allocated to intensive (110 to <130 mm Hg) or standard (130 to <150 mm Hg) treatment groups. The effects of intensive SBP... The 8259 participants had a mean age of 66.2±4.8 years, and 46.5% were men. Participants with lower DBP were slightly older and had greater histories of cardiovascular disease, diabetes, and hyperlipi... The beneficial effects of intensive SBP lowering on cardiovascular outcomes were unaffected by baseline DBP. Lower DBP should not be an obstacle to intensive SBP control.... URL: https://www.clinicaltrials.gov; Unique identifier: NCT03015311....

Team-based home blood pressure monitoring for blood pressure equity a protocol for a stepped wedge cluster randomized trial.

Home Blood Pressure Monitoring (HBPM) that includes a team with a clinical pharmacist is an evidence-based intervention that improves blood pressure (BP). Yet, strategies for promoting its adoption in... We assessed barriers and facilitators to HBPM and iteratively adapted implementation strategies through key informative interviews and guidance from a multistakeholder stakeholder team involving inves... Strategies include: 1) pro-active outreach to patients; 2) provision of BP devices; 3) deployment of automated bidirectional texting to support patients through education messages for patients to tran... Findings will inform the impact of strategies for the adoption of team-based HPBM and the impact of the intervention on hypertension control and equity.... www.... gov Identifier: NCT05488795....

Use of Different Blood Pressure Thresholds to Reduce the Number of Home Blood Pressure Monitoring Days Needed for Detecting Hypertension.

Home blood pressure (BP) monitoring over a 7-day period is recommended to confirm the diagnosis of hypertension.... We determined upper and lower home BP thresholds with >90% positive predictive value and >90% negative predictive value using 1 to 6 days of monitoring to identify high home BP (systolic BP ≥130 mm Hg... Of the 361 participants (mean [SD] age of 41.3 [13.2] years; 60.4% women), 38.0% had high home BP during the reference period. There were 63.7%, 17.1%, 10.5%, 3.3%, 3.6%, and 1.4% participants who wou... In most people, high home BP can be identified or excluded with a high degree of confidence with 3 days or less of monitoring....

Continuous cuffless blood pressure monitoring using photoplethysmography-based PPG2BP-net for high intrasubject blood pressure variations.

Continuous, comfortable, convenient (C3), and accurate blood pressure (BP) measurement and monitoring are needed for early diagnosis of various cardiovascular diseases. To supplement the limited C3 BP...

WATCH-BPM-Comparison of a WATCH-Type Blood Pressure Monitor with a Conventional Ambulatory Blood Pressure Monitor and Auscultatory Sphygmomanometry.

Smart devices that are able to measure blood pressure (BP) are valuable for hypertension or heart failure management using digital technology. Data regarding their diagnostic accuracy in comparison to... Therefore, 159 consecutive patients (84 male, 75 female, mean age 64.33 ± 16.14 years) performed observed single measurements with the smart device compared to auscultatory sphygmomanometry (n = 109) ... The intraclass correlation coefficient (ICC) between the difference and the mean of the oscillometric Omron HeartGuide and the conventional method for the single measurement was calculated for both sy... The Omron HeartGuide device provided comparable BP values to the standard devices for single and long-term measurements. The infrared smart device failed to acquire valid measurement data....