questionsmedicales.fr
Phénomènes physiologiques respiratoires et circulatoires
Phénomènes physiologiques respiratoires
Respiration
Transport respiratoire
Échanges gazeux pulmonaires
Échanges gazeux pulmonaires : Questions médicales fréquentes
Diagnostic
5
Insuffisance respiratoire
Tests de fonction pulmonaire
Radiographie pulmonaire
Anomalies pulmonaires
Symptômes
5
Hyperventilation
Étourdissement
Embolie pulmonaire
Douleur thoracique
Infection pulmonaire
Toux
Asthme
Difficultés respiratoires
Prévention
5
Infections pulmonaires
Vaccination
Embolie pulmonaire
Prévention
Exercice
Santé pulmonaire
Pollution
Purificateurs d'air
Traitements
5
Insuffisance respiratoire
Oxygénothérapie
Embolie pulmonaire
Anticoagulants
Hypercapnie
Ventilation assistée
Complications
5
Insuffisance respiratoire
Hypoxie
Embolie pulmonaire
Lésions pulmonaires
Asthme
Infections respiratoires
Facteurs de risque
5
Asthme
Facteurs de risque
Tabagisme
Maladies pulmonaires
Pneumonie
Facteurs de risque
Obésité
Capacité pulmonaire
Pollution de l'air
Maladies respiratoires
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"@type": "Question",
"name": "Quels examens pour évaluer les échanges gazeux ?",
"position": 2,
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"@type": "Question",
"name": "Comment prévenir les infections pulmonaires ?",
"position": 11,
"acceptedAnswer": {
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{
"@type": "Question",
"name": "Quelles sont les mesures pour éviter l'asthme ?",
"position": 12,
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"@type": "Question",
"name": "Comment réduire le risque d'embolie pulmonaire ?",
"position": 13,
"acceptedAnswer": {
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"text": "Bouger régulièrement, éviter l'immobilité prolongée et porter des bas de compression aident."
}
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{
"@type": "Question",
"name": "Quel rôle de l'exercice dans la santé pulmonaire ?",
"position": 14,
"acceptedAnswer": {
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"text": "L'exercice régulier améliore la capacité pulmonaire et réduit le risque de maladies respiratoires."
}
},
{
"@type": "Question",
"name": "Comment éviter l'exposition à la pollution ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Limiter les activités à l'extérieur lors de pics de pollution et utiliser des purificateurs d'air."
}
},
{
"@type": "Question",
"name": "Quels traitements pour l'insuffisance respiratoire ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'oxygénothérapie, les bronchodilatateurs et les corticostéroïdes sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Comment traiter une embolie pulmonaire ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les anticoagulants et parfois la thrombolyse sont utilisés pour traiter l'embolie pulmonaire."
}
},
{
"@type": "Question",
"name": "Quel rôle des corticostéroïdes dans l'asthme ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les corticostéroïdes réduisent l'inflammation des voies respiratoires, améliorant la respiration."
}
},
{
"@type": "Question",
"name": "Comment gérer l'hypercapnie ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'oxygénothérapie et la ventilation assistée peuvent aider à réduire les niveaux de CO2."
}
},
{
"@type": "Question",
"name": "Quels traitements pour la pneumonie ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antibiotiques et les soins de soutien sont essentiels pour traiter la pneumonie."
}
},
{
"@type": "Question",
"name": "Quelles complications de l'insuffisance respiratoire ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent l'hypoxie, l'hypercapnie et des lésions pulmonaires permanentes."
}
},
{
"@type": "Question",
"name": "Quels risques d'une embolie pulmonaire non traitée ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une embolie pulmonaire non traitée peut entraîner des lésions pulmonaires et la mort."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications de l'asthme ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des crises sévères, des infections respiratoires et des hospitalisations."
}
},
{
"@type": "Question",
"name": "Quels effets d'une pneumonie non traitée ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une pneumonie non traitée peut entraîner des complications graves comme l'abcès pulmonaire."
}
},
{
"@type": "Question",
"name": "Quelles complications de la BPCO ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des infections fréquentes, des exacerbations et des maladies cardiaques."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque de l'asthme ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux, les allergies et l'exposition à des irritants augmentent le risque."
}
},
{
"@type": "Question",
"name": "Comment le tabagisme affecte-t-il les poumons ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme endommage les voies respiratoires et augmente le risque de maladies pulmonaires."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque pour la pneumonie ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge avancé, le tabagisme et les maladies chroniques augmentent le risque de pneumonie."
}
},
{
"@type": "Question",
"name": "Comment l'obésité influence-t-elle la respiration ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'obésité peut réduire la capacité pulmonaire et augmenter le risque d'apnée du sommeil."
}
},
{
"@type": "Question",
"name": "Quels sont les risques liés à la pollution de l'air ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exposition à la pollution de l'air augmente le risque de maladies respiratoires et cardiovasculaires."
}
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Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 10/03/2025
Contenu vérifié selon les dernières recommandations médicales
4 publications dans cette catégorie
Affiliations :
Department of Medicine, University of California, San Diego, La Jolla, CA, United States.
Publications dans "Échanges gazeux pulmonaires" :
3 publications dans cette catégorie
Affiliations :
Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California San Diego, San Diego, USA.
Publications dans "Échanges gazeux pulmonaires" :
3 publications dans cette catégorie
Affiliations :
Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California San Diego, San Diego, USA.
Publications dans "Échanges gazeux pulmonaires" :
3 publications dans cette catégorie
Affiliations :
Department of Medicine, University of California, San Diego, La Jolla, CA, United States.
Publications dans "Échanges gazeux pulmonaires" :
3 publications dans cette catégorie
Affiliations :
Centre for Heart, Lung, and Vascular Health, University of British Columbia, Okanagan, Kelowna, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Division of Pulmonary Medicine, Faculty of Medicine and Dentistry, University of Alberta, Alberta, Canada.
G.F. MacDonald Centre for Lung Health, Covenant Health, Edmonton, Alberta, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Division of Pulmonary Medicine, Faculty of Medicine and Dentistry, University of Alberta, Alberta, Canada.
Faculty of Kinesiology, Sport and Recreation, University of Alberta, Edmonton, Alberta, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Division of Pulmonary Medicine, Faculty of Medicine and Dentistry, University of Alberta, Alberta, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Division of Pulmonary Medicine, Faculty of Medicine and Dentistry, University of Alberta, Alberta, Canada.
Faculty of Rehabilitation Medicine, University of Alberta, Alberta, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Division of Pulmonary Medicine, Faculty of Medicine and Dentistry, University of Alberta, Alberta, Canada.
Faculty of Kinesiology, Sport and Recreation, University of Alberta, Edmonton, Alberta, Canada.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Centre for Heart, Lung, and Vascular Health, University of British Columbia, Okanagan, Kelowna, Canada. Electronic address: connorahowe@gmail.com.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Telethon Kids Institute, Perth, Washington, Australia.
School of Human Sciences, University of Western Australia, Perth, Washington, Australia.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
School of Human Sciences, University of Western Australia, Perth, Washington, Australia.
Department of Neonatology, University Children's Hospital Basel, Basel, Switzerland.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Medical Physics Graduate Program, Duke University, Durham, NC, United States.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Department of Radiology, Duke University, Durham, NC, United States.
Medical Physics Graduate Program, Duke University, Durham, NC, United States.
Department of Biomedical Engineering, Duke University, Durham, NC, United States.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Department of Anesthesiology, Emergency and Intensive Care Medicine, University of Göttingen, Göttingen, Germany.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Department of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota. Electronic address: johnson.bruce@mayo.edu.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Department of Human Physiology, University of Oregon, Eugene, OR, USA.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, USA.
Department of Plant Biology, Michigan State University, East Lansing, MI, USA.
Publications dans "Échanges gazeux pulmonaires" :
2 publications dans cette catégorie
Affiliations :
Plant Resilience Institute, Michigan State University, East Lansing, MI, USA.
MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, USA.
Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, USA.
Publications dans "Échanges gazeux pulmonaires" :
Using computer simulation we investigated whether machine learning (ML) analysis of selected ICU monitoring data can quantify pulmonary gas exchange in multi-compartment format. A 21 compartment venti...
Gas exchange in the lung depends on tidal breathing, which brings new oxygen to and removes carbon dioxide from alveolar gas. This maintains alveolar partial pressures that promote passive diffusion t...
In patients with chronic obstructive pulmonary disease (COPD), the clinical use of the minute ventilation-carbon dioxide production ([Formula: see text]...
We hypothesized that the [Formula: see text]...
Compared with the GOLD I-II group (n = 51), peak [Formula: see text]...
The OUES may be less useful in advanced COPD with exertional hypoxemia. The [Formula: see text]...
Reduced exercise capacity has been reported previously in patients with OSA hypopnea syndrome (OSAHS), although the underlying mechanisms are unclear....
What are the underlying mechanisms of reduced exercise capacity in untreated patients with OSAHS? Is there a role for systemic or pulmonary vascular abnormalities?...
This was a cross-sectional observational study in which 14 patients with moderate to severe OSAHS and 10 control participants (matched for age, BMI, smoking history, and FEV...
Patients (age, 50 ± 11 years; BMI, 30.5 ± 2.7 kg/m...
Patients with OSAHS showed evidence of pulmonary gas exchange abnormalities during exercise (in the form of increased dead space) and resting systemic vascular dysfunction that may explain reduced exe...
What is the central question of the study? Ventilation increases during prolonged intense exercise, but the impact of dehydration and hyperthermia, with associated blunting of pulmonary circulation, a...
The mechanisms driving hyperthermic hyperventilation during exercise are unclear. In a series of retrospective analyses, we evaluated the impact of combined versus isolated dehydration and hyperthermi...
Identification of the breathing cycle forms the basis of any breath-by-breath gas exchange analysis. Classically, the breathing cycle is defined as the time interval between the beginning of two conse...
We propose an integrated dynamical model for oxygen and carbon dioxide transfer from the lung into the blood, coupled with a lumped mechanical model for the ventilation process, for healthy patients a...
Respiratory distress syndrome (RDS) and transient tachypnoea (TTN) are the two commonest neonatal respiratory disorders. The optimal continuous positive airway pressure (CPAP) to treat them is unknown...
Prospective, observational, pragmatic, physiological cohort study. CPAP was sequentially increased from 4 to 6 and 8 cmH...
30 neonates with RDS and 30 with TTN were studied. Each CPAP increment significantly (overall always p < 0.001) improved both lung aeration and oxygenation, but the increase from 6 to 8 cmH...
Increasing CPAP from 4 to 8 cmH...
Understanding the enduring respiratory consequences of severe COVID-19 is crucial for comprehensive patient care. This study aims to evaluate the impact of post-COVID conditions on respiratory sequela...
We examined 88 survivors of COVID-19-associated severe ARDS six months post-intensive care unit (ICU) discharge. Assessments included clinical and functional evaluation as well as plasma biomarkers of...
Post-COVID patients with impaired gas exchange demonstrated persistent endothelial inflammation marked by elevated ICAM-1, IL-8, CCL-2, and ET-1 plasma levels. Concurrently, systemic inflammation, evi...
Six months post-ICU discharge, survivors of COVID-19-associated ARDS exhibited sustained elevation in endothelial dysfunction biomarkers, correlating with the severity of impaired gas exchange. NLRP3 ...
There are several methods available to assess energy expenditure, all associated with inherent pros and cons that must be adequately considered for use in specific environments and populations. A requ...