Titre : Endoscopie digestive

Endoscopie digestive : Questions médicales fréquentes

Termes MeSH sélectionnés :

Isometric Contraction
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"@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Endoscopie digestive", "description": "Comment prévenir les maladies nécessitant une endoscopie ?\nLes dépistages réguliers sont-ils importants ?\nQuels facteurs de risque augmentent les besoins d'endoscopie ?\nComment réduire le risque de reflux gastro-œsophagien ?\nLe stress influence-t-il les maladies digestives ?", "url": "https://questionsmedicales.fr/mesh/D016145?mesh_terms=Isometric+Contraction&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Endoscopie digestive", "description": "Quels traitements peuvent être réalisés par endoscopie ?\nL'endoscopie est-elle utilisée pour traiter le cancer ?\nPeut-on effectuer une biopsie lors d'une endoscopie ?\nQuels médicaments sont utilisés lors d'une endoscopie ?\nL'endoscopie peut-elle traiter les saignements ?", "url": 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inflammatoires de l'intestin augmentent-elles les risques ?\nUne alimentation riche en graisses est-elle un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D016145?mesh_terms=Isometric+Contraction&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Qu'est-ce qu'une endoscopie digestive ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "C'est une technique d'examen visuel du tube digestif à l'aide d'un endoscope." } }, { "@type": "Question", "name": "Quels troubles peut-on diagnostiquer par endoscopie ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "On peut diagnostiquer des ulcères, des polypes, des cancers et des inflammations." } }, { "@type": "Question", "name": "Comment se prépare-t-on à une endoscopie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Le patient doit généralement jeûner et peut recevoir des instructions spécifiques selon l'examen." } }, { "@type": "Question", "name": "L'endoscopie est-elle douloureuse ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer un léger inconfort, mais des sédatifs sont souvent administrés." } }, { "@type": "Question", "name": "Quels sont les risques d'une endoscopie ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des saignements, des perforations et des infections, bien que rares." } }, { "@type": "Question", "name": "Quels symptômes nécessitent une endoscopie ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales, des saignements, des nausées persistantes ou des troubles de la déglutition." } }, { "@type": "Question", "name": "Comment l'endoscopie aide-t-elle à évaluer les symptômes ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de visualiser directement les anomalies et de prélever des échantillons si nécessaire." } }, { "@type": "Question", "name": "Peut-on détecter le reflux gastro-œsophagien par endoscopie ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'endoscopie peut montrer des lésions causées par le reflux et évaluer sa gravité." } }, { "@type": "Question", "name": "Quels signes indiquent une urgence endoscopique ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des vomissements de sang, des douleurs intenses ou des signes de choc nécessitent une endoscopie urgente." } }, { "@type": "Question", "name": "L'endoscopie peut-elle aider à diagnostiquer des infections ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de visualiser des infections et de prélever des échantillons pour analyse." } }, { "@type": "Question", "name": "Comment prévenir les maladies nécessitant une endoscopie ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée, l'arrêt du tabac et des contrôles réguliers peuvent aider." } }, { "@type": "Question", "name": "Les dépistages réguliers sont-ils importants ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils permettent de détecter précocement des anomalies et de réduire les risques de cancer." } }, { "@type": "Question", "name": "Quels facteurs de risque augmentent les besoins d'endoscopie ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Antécédents familiaux de cancer, consommation d'alcool et tabagisme augmentent les risques." } }, { "@type": "Question", "name": "Comment réduire le risque de reflux gastro-œsophagien ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les aliments gras, manger lentement et ne pas se coucher après les repas aide à prévenir." } }, { "@type": "Question", "name": "Le stress influence-t-il les maladies digestives ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut aggraver des troubles digestifs et augmenter le besoin d'examens." } }, { "@type": "Question", "name": "Quels traitements peuvent être réalisés par endoscopie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "On peut retirer des polypes, cautériser des saignements ou dilater des rétrécissements." } }, { "@type": "Question", "name": "L'endoscopie est-elle utilisée pour traiter le cancer ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être utilisée pour retirer des tumeurs précoces ou pour pallier des obstructions." } }, { "@type": "Question", "name": "Peut-on effectuer une biopsie lors d'une endoscopie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une biopsie peut être réalisée pour analyser des tissus suspects pendant l'examen." } }, { "@type": "Question", "name": "Quels médicaments sont utilisés lors d'une endoscopie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des sédatifs et des anesthésiques locaux sont souvent administrés pour le confort du patient." } }, { "@type": "Question", "name": "L'endoscopie peut-elle traiter les saignements ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de cautériser les vaisseaux sanguins pour arrêter les saignements internes." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de l'endoscopie ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des perforations, des saignements et des infections, bien que rares." } }, { "@type": "Question", "name": "Comment gérer une perforation après une endoscopie ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une perforation nécessite souvent une intervention chirurgicale pour réparer le dommage." } }, { "@type": "Question", "name": "Les infections sont-elles fréquentes après une endoscopie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les infections sont rares, mais des antibiotiques peuvent être prescrits si nécessaire." } }, { "@type": "Question", "name": "Quels signes indiquent une complication post-endoscopie ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales sévères, de la fièvre ou des saignements doivent alerter immédiatement." } }, { "@type": "Question", "name": "Comment prévenir les complications après une endoscopie ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Suivre les instructions post-opératoires et signaler tout symptôme anormal au médecin." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque pour les maladies digestives ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, l'alcool, une mauvaise alimentation et des antécédents familiaux sont des facteurs clés." } }, { "@type": "Question", "name": "L'âge influence-t-il le risque de maladies digestives ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le risque augmente avec l'âge, surtout pour les cancers digestifs." } }, { "@type": "Question", "name": "Le stress est-il un facteur de risque pour les troubles digestifs ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut exacerber des troubles digestifs comme le syndrome de l'intestin irritable." } }, { "@type": "Question", "name": "Les maladies inflammatoires de l'intestin augmentent-elles les risques ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des conditions comme la maladie de Crohn augmentent le risque de cancer colorectal." } }, { "@type": "Question", "name": "Une alimentation riche en graisses est-elle un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation riche en graisses et en sucres peut contribuer à des maladies digestives." } } ] } ] }

Sources (2006 au total)

Strain and Strain Rate Tensor Mapping of Medial Gastrocnemius at Submaximal Isometric Contraction and Three Ankle Angles.

The aim of this study is to analyze the muscle kinematics of the medial gastrocnemius (MG) during submaximal isometric contractions and to explore the relationship between deformation and force genera... Strain and Strain Rate (SR) tensors were calculated from velocity-encoded magnetic resonance phase-contrast images in six young men acquired during 25% and 50% Maximum Voluntary Contraction (MVC). Str... Compressive strains/SRs were significantly lower at 25%MVC. Normalized strains/SR were significantly different between %MVC and ankle angles with lowest values for DF. Absolute values of... In addition to the known optimum muscle fiber length, the study identified two potential new causes of increased force generation at dorsiflexion ankle angle, higher fiber cross-section deformation as...

Torque complexity of maximal knee extensor isometric contraction in individuals following anterior cruciate ligament reconstruction.

Current rehabilitation goals following anterior cruciate ligament reconstruction are structured around the maximal force generating capabilities of the muscle. Force fluctuations, an index of force co... Data from 120 anterior cruciate ligament reconstructed participants (65 Females, 21.0 ± 8.3 years, 5.96 ± 0.48-months post-surgery) and 95 healthy controls (50 Females, 21.5 ± 2.9 years) were collecte... Approximate entropy was found to decrease throughout the 30-s trial (P < .001, Cohen's d = 1.87 [1.64,2.10]). The anterior cruciate ligament reconstructed limb demonstrated greater approximate entropy... A greater torque complexity in individuals following anterior cruciate ligament reconstruction was weakly related to lower quadriceps strength, lower subjective function, and quadriceps fatigue resist...

Eccentric exercise-induced muscle weakness abolishes sex differences in fatigability during sustained submaximal isometric contractions.

Females are typically less fatigable than males during sustained isometric contractions at lower isometric contraction intensities. This sex difference in fatigability becomes more variable during hig... We investigated the effects of eccentric exercise-induced muscle weakness on time to task failure (TTF) during a sustained submaximal isometric contraction in young (18-30 years) healthy males (n = 9)... Males were ∼41% stronger than females. Following eccentric exercise both males and females experienced an ∼20% decline in maximal voluntary contraction torque. TTF was ∼34% longer in females than male... This increase in antagonist activation disadvantaged females by decreasing their TTF, resulting in a blunting of their typical fatigability advantage over males....

Effects of exercise induced muscle damage on cardiovascular responses to isometric muscle contractions and post-exercise circulatory occlusion.

The aim of the present study was to investigate whether exercise-induced muscle damage (EIMD) influences cardiovascular responses to isometric exercise and post-exercise circulatory occlusion (PECO). ... Eleven male and nine female participants performed unilateral isometric knee extension at 30% of maximal voluntary contraction (MVC) for 3-min. A thigh cuff was rapidly inflated to 250 mmHg for two mi... EIMD caused 21% decrease in MVC (baseline: 634.6 ± 229.3 N, 48 h: 504.0 ± 160 N), and a 17-fold increase in perceived soreness using a visual-analogue scale (0-100 mm; VAS... The MAP correlations with muscle soreness, RPE and Pain during contractions of damaged muscles suggests that higher afferent activity was associated with higher MAP responses to exercise....

Surface electromyography analysis of core stabilizing muscles during isometric shoulder contractions in athletes with low back pain.

The study was carried out in the athletes with and without Low Back Pain (LBP) to determine the surface electromyography activity of core stabilizing muscles while performing isometric shoulder and tr... Cross-sectional study.... This study enlisted the participation of 40 athletes. Group A included 20 athletes (18 males and 2 females) without LBP, and Group B included 20 athletes (12 males and 8 females) with LBP. Athletes wi... In the LBP group, EMG activity of the rectus abdominis and external oblique muscles was significantly lower (P < 0.05). The LBP group had significantly more multifidus activity (P = 0.03) than the NLB... The activation of core stabilizing muscles was altered in athletes with LBP. When athletes are unable to contract and activate trunk muscles owing to pain, upper extremity exercises can be used to act...

Test-retest reliability of the isometric contraction test (IC test) of the masticatory muscles in subjects with and without temporomandibular muscle disorders.

Recently, the DC/TMD has become an essential tool for the diagnosis of temporomandibular disorders (TMD). However, as they fail to include functional activities, new assessment proposals have emerged,... A total of 64 participants (40 women and 24 men) completed the IC test administered by two different physical therapists on two non-consecutive days. Cohen's kappa (k), PABAK, and percent agreement (P... The IC test showed good to excellent test-retest reliability values (k>0.77; PABAK>0.90), both globally and individually for the muscles evaluated, and PA>90%, therefore above the thresholds for clini... The IC test is reliable for the assessment of subjects with muscular TMD, both in terms of the global assessment and the evaluation of each muscle, which supports its clinical applicability. Care shou...

Contribution of stroke-related changes in neuromuscular factors to gear ratio during isometric contraction of medial gastrocnemius muscle: A simulation study.

It is not clear which neuromuscular factors are most closely associated with the loss of variable fascicle gearing after chronic stroke. The purpose of this simulation study is to determine the effect... A modified Hill-type model of the medial gastrocnemius was developed to determine the gear ratio for a given muscle activation level and musculotendon length. Model parameters were then systematically... The gear ratio decreases significantly with smaller pennation angle and with shorter optimal fiber length. In addition, muscle thickness and pennation angle at optimal fiber length appear to be the mo... Our findings provide insight that the pennation angle may play an important role for efficient muscular contraction, implying that maintaining muscle architecture and/or improving fiber/fascicle rotat...