Tests fonctionnels de l'axe hypophysosurrénalien : Questions médicales fréquentes
Nom anglais: Pituitary-Adrenal Function Tests
Descriptor UI:D010912
Tree Number:E01.370.374.600
Termes MeSH sélectionnés :
Elastic Modulus
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"description": "Quels tests évaluent l'axe hypophysosurrénalien ?\nComment interpréter un taux élevé de cortisol ?\nQuel est le rôle du test de stimulation à l'ACTH ?\nQuand réaliser un test de suppression à la dexaméthasone ?\nQuels symptômes justifient ces tests ?",
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"@type": "Question",
"name": "Quels tests évaluent l'axe hypophysosurrénalien ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests de stimulation à l'ACTH et le test de suppression à la dexaméthasone sont courants."
}
},
{
"@type": "Question",
"name": "Comment interpréter un taux élevé de cortisol ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un taux élevé peut indiquer un syndrome de Cushing ou une hyperplasie surrénalienne."
}
},
{
"@type": "Question",
"name": "Quel est le rôle du test de stimulation à l'ACTH ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il évalue la capacité des glandes surrénales à produire du cortisol en réponse à l'ACTH."
}
},
{
"@type": "Question",
"name": "Quand réaliser un test de suppression à la dexaméthasone ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il est effectué pour diagnostiquer le syndrome de Cushing en vérifiant la réponse au cortisol."
}
},
{
"@type": "Question",
"name": "Quels symptômes justifient ces tests ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme fatigue, prise de poids ou hypertension peuvent nécessiter ces tests."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent un dysfonctionnement surrénalien ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fatigue, perte de poids, hypotension et troubles de l'humeur sont des signes fréquents."
}
},
{
"@type": "Question",
"name": "Comment reconnaître le syndrome de Cushing ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Obésité centrale, vergetures, et hypertension artérielle sont des indicateurs clés."
}
},
{
"@type": "Question",
"name": "Quels signes d'insuffisance surrénalienne ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent fatigue extrême, hypotension, et hyperpigmentation de la peau."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'un excès de cortisol ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent prise de poids, acné, et irrégularités menstruelles chez les femmes."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'un déficit en cortisol ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes peuvent inclure faiblesse musculaire, nausées et perte d'appétit."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les troubles surrénaliens ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une détection précoce et un suivi médical régulier peuvent aider à prévenir des complications."
}
},
{
"@type": "Question",
"name": "Comment réduire le stress pour protéger les surrénales ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des techniques comme la méditation, le yoga et l'exercice régulier peuvent être bénéfiques."
}
},
{
"@type": "Question",
"name": "L'alimentation influence-t-elle la santé surrénalienne ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en nutriments et faible en sucre peut soutenir la santé surrénalienne."
}
},
{
"@type": "Question",
"name": "Quels examens préventifs sont recommandés ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des bilans hormonaux réguliers peuvent aider à détecter des anomalies précocement."
}
},
{
"@type": "Question",
"name": "Comment éviter les médicaments à risque pour les surrénales ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Évitez les corticostéroïdes non prescrits et consultez toujours un médecin avant tout traitement."
}
},
{
"@type": "Question",
"name": "Comment traiter le syndrome de Cushing ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement peut inclure la chirurgie, la radiothérapie ou des médicaments pour réduire le cortisol."
}
},
{
"@type": "Question",
"name": "Quel traitement pour l'insuffisance surrénalienne ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement principal est le remplacement hormonal avec des corticostéroïdes."
}
},
{
"@type": "Question",
"name": "Quels médicaments pour réguler le cortisol ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme le kétoconazole ou la mitotane peuvent être prescrits."
}
},
{
"@type": "Question",
"name": "Comment gérer les effets secondaires des traitements ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il est essentiel de surveiller régulièrement les effets secondaires et d'ajuster les doses."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements naturels pour ces troubles ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines approches comme la gestion du stress et une alimentation équilibrée peuvent aider."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec le syndrome de Cushing ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent le diabète, l'hypertension et les maladies cardiovasculaires."
}
},
{
"@type": "Question",
"name": "Quels risques d'une insuffisance surrénalienne non traitée ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut entraîner une crise surrénalienne, potentiellement mortelle sans traitement."
}
},
{
"@type": "Question",
"name": "Comment les troubles surrénaliens affectent-ils la santé mentale ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent provoquer des troubles de l'humeur, de l'anxiété et des dépressions."
}
},
{
"@type": "Question",
"name": "Quelles complications liées aux traitements hormonaux ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements peuvent entraîner des effets secondaires comme l'ostéoporose et le diabète."
}
},
{
"@type": "Question",
"name": "Quels impacts sur la qualité de vie ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les troubles surrénaliens peuvent affecter l'énergie, l'humeur et les activités quotidiennes."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de syndrome de Cushing ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'obésité, le stress chronique et certains médicaments comme les corticostéroïdes sont des facteurs de risque."
}
},
{
"@type": "Question",
"name": "Y a-t-il des prédispositions génétiques ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines conditions génétiques, comme le syndrome de Cushing familial, augmentent le risque."
}
},
{
"@type": "Question",
"name": "Comment le stress influence-t-il les troubles surrénaliens ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut perturber la production hormonale et aggraver les troubles surrénaliens."
}
},
{
"@type": "Question",
"name": "Quels antécédents médicaux sont des facteurs de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antécédents de maladies endocriniennes ou de traitements hormonaux augmentent le risque."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans ces troubles ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation déséquilibrée peut contribuer à des troubles hormonaux et à l'obésité."
}
}
]
}
]
}
Recently, interest in tooth-colored fluoride-releasing dental materials has increased. Although physical and mechanical properties such as surface hardness, elastic modulus and surface roughness of th...
Low back pain is the most prevalent musculoskeletal disorder affecting performance and sports participation among athletes and is more prevalent among female athletes. Evaluating the stiffness of the ...
This was a cross-sectional study. The study was conducted at a single centre, the university research laboratory. Twenty female university athletes with low back pain or a history of low back pain and...
The low back pain group showed significantly greater shear elastic modulus in the multifidus in both prone and sitting positions than the non-low back pain group. There were no differences in the erec...
These results provide new insights into the microscopic characteristics of low back pain pathophysiology in young female athletes. Stiffness assessment using shear wave elastography will help provide ...
UHMWPE is the material of choice for bearing surfaces in total joint arthroplasty making its wear and mechanical properties important factors of contribution in longevity of prosthetic hip/knee implan...
Shear wave elastography (SWE) has been used to examine the elasticity of a ruptured Achilles tendon; however, the healing process of a ruptured tendon has not been studied yet. This study aimed to det...
Using a prospective cohort study design, we evaluated the patients treated conservatively (conservative group) and surgically (surgical group) with the "gift-box" technique for an isolated index acute...
The ruptured Achilles tendon obtained an SWE value comparable with the unruptured side at 12 weeks in the conservative group and at 4 weeks with surgical group. The surgical group had significantly hi...
SWE is a convenient noninvasive method to determine the progress of the healing process after tendon injury. Our analysis using SWE has revealed the detailed chronologic changes in SWE values and rela...
Level II, prospective cohort study....
Aligned submicron fibers have played an essential role in inducing stem cell proliferation and differentiation. In this study, it is aimed to identify the differential causes of stem cell proliferatio...
Juvenile wood (JW) can influence the performance of structural boards since it presents lower physical and mechanical properties. This study aimed evaluate the influence of JW proportion on density an...
Liver stiffness relates to more advanced tumor status and poor outcomes in primary liver cancer, while its prognostic role in pancreatic cancer with liver metastasis is unclear. Therefore, the current...
Fifty-four pancreatic cancer patients with liver metastasis were enrolled, and the EM of liver metastasis and peripheral liver tissue was measured by two-dimensional shear wave elastography. Relative ...
The median relative EM of liver metastasis was 7.8 (interquartile range: 4.8-10.7) folds. Relative EM of liver metastasis was correlated with primary pancreatic cancer location (P = 0.048), the presen...
Elastic modulus reflected liver lesion stiffness may predict a worse prognosis in pancreatic cancer patients with liver metastasis....
The functional role of the calcaneofibular ligament (CFL) is still controversial. We aimed to investigate the anatomical features of the CFL on sonography and the elastic modulus of the CFL in differe...
In 14 cadaveric ankles, the angle of the CFL with respect to the long axis of the fibula was measured in the following ankle positions: neutral (N), 30° plantar flexion (PF), and 20° dorsiflexion (DF)...
The mean angle of the CFL in N, PF, and DF positions was 139.9° ± 12.7°, 121.3° ± 14.1°, and 158.6° ± 13.1°, respectively. The angle of the CFL in N was significantly greater than that in PF and small...
The angle of the CFL increased with DF. Moreover, ultrasound SWE showed that the CFL was tensed and likely to be injured in the PI position....
A potential treatment for carpal tunnel syndrome is to biochemically alter the mechanical properties of the transverse carpal ligament (TCL) through Collagenase Clostridium Histolyticum (CCH) injectio...
Shear wave elastography (SWE) accurately and sensitively evaluates arterial wall stiffness by quantifying the elastic modulus (EM); however, the absence of reference values has precluded its widesprea...
This study enrolled 169 healthy volunteers and 30 patients with CSF. The carotid maximum EM (EMmax), mean EM, and minimum EM were measured using SWE. CSF was diagnosed by thrombolysis in the myocardia...
No differences were found in the EM between the left and right carotid arteries and between men and women. Multiple linear regression analysis revealed that age was independently correlated with the E...
This study first established the reference values for the carotid EM using SWE. Age and smoking status were the main determinants of the EM. Patients with CSF had high EM. SWE can effectively and noni...