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Équipement et fournitures
Équipement chirurgical
Organes artificiels
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Dispositifs d'assistance circulatoire
Dispositifs d'assistance circulatoire : Questions médicales fréquentes
Diagnostic
5
Insuffisance cardiaque
Échocardiographie
Électrocardiogramme
Tests d'effort
Classification NYHA
Tests fonctionnels
Symptômes
5
Essoufflement
Palpitations
Œdème
Insuffisance cardiaque
Douleurs thoraciques
Insuffisance cardiaque
Aggravation des symptômes
Insuffisance cardiaque
Fatigue
Insuffisance cardiaque
Prévention
5
Alimentation
Maladies cardiaques
Exercice physique
Santé cardiaque
Gestion du stress
Santé cardiaque
Traitements
5
Médicaments
Transplantation cardiaque
Dispositifs d'assistance
Flux sanguin
Diurétiques
Bêtabloquants
Transplantation cardiaque
Insuffisance cardiaque
Complications
5
Infections
Thromboembolie
Infections
Site d'implantation
Thrombose
Dispositifs d'assistance
Défaillance
Intervention urgente
Facteurs de risque
5
Tabagisme
Maladies cardiaques
Inactivité physique
Obésité
Antécédents familiaux
Maladies cardiaques
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"@type": "Question",
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"name": "Quels symptômes indiquent un besoin de dispositif d'assistance ?",
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"@type": "Question",
"name": "Comment évaluer la gravité de l'insuffisance cardiaque ?",
"position": 4,
"acceptedAnswer": {
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"position": 5,
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"@type": "Question",
"name": "Quels sont les symptômes courants d'insuffisance cardiaque ?",
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"name": "Quels signes indiquent une aggravation des symptômes ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une augmentation de l'essoufflement, de la fatigue ou de l'œdème peut indiquer une aggravation."
}
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{
"@type": "Question",
"name": "Comment la fatigue se manifeste-t-elle chez ces patients ?",
"position": 10,
"acceptedAnswer": {
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"text": "La fatigue est souvent persistante et peut limiter les activités quotidiennes normales."
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{
"@type": "Question",
"name": "Comment prévenir l'insuffisance cardiaque ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Adopter un mode de vie sain, contrôler la pression artérielle et éviter le tabac."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'alimentation dans la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée, riche en fruits et légumes, aide à prévenir les maladies cardiaques."
}
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{
"@type": "Question",
"name": "L'exercice physique est-il bénéfique ?",
"position": 13,
"acceptedAnswer": {
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"text": "Oui, l'exercice régulier améliore la santé cardiaque et réduit le risque d'insuffisance."
}
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{
"@type": "Question",
"name": "Comment gérer le stress pour protéger le cœur ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des techniques de gestion du stress comme la méditation peuvent réduire le risque cardiaque."
}
},
{
"@type": "Question",
"name": "Pourquoi est-il important de contrôler le diabète ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un diabète mal contrôlé augmente le risque d'insuffisance cardiaque et d'autres complications."
}
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{
"@type": "Question",
"name": "Quels sont les principaux traitements pour l'insuffisance cardiaque ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent médicaments, dispositifs d'assistance et transplantation cardiaque."
}
},
{
"@type": "Question",
"name": "Comment fonctionnent les dispositifs d'assistance circulatoire ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils soutiennent le cœur en améliorant le flux sanguin et en réduisant la charge cardiaque."
}
},
{
"@type": "Question",
"name": "Quels médicaments sont couramment prescrits ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les diurétiques, bêtabloquants et inhibiteurs de l'ECA sont souvent utilisés."
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},
{
"@type": "Question",
"name": "Quand envisager une transplantation cardiaque ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La transplantation est envisagée lorsque les autres traitements échouent et que le patient est éligible."
}
},
{
"@type": "Question",
"name": "Quels sont les risques associés aux dispositifs d'assistance ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les risques incluent infections, thromboses et défaillance du dispositif."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles des dispositifs d'assistance ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent infections, défaillance du dispositif et complications thromboemboliques."
}
},
{
"@type": "Question",
"name": "Comment les infections peuvent-elles survenir ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections peuvent survenir au site d'implantation ou à cause de la manipulation du dispositif."
}
},
{
"@type": "Question",
"name": "Quels sont les risques de thrombose avec ces dispositifs ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les dispositifs peuvent favoriser la formation de caillots, entraînant des thromboses."
}
},
{
"@type": "Question",
"name": "Comment surveiller les complications potentielles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une surveillance régulière par des examens cliniques et des échographies est essentielle."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'une défaillance du dispositif ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une défaillance peut entraîner une détérioration rapide de l'état cardiaque et nécessiter une intervention urgente."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque d'insuffisance cardiaque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent hypertension, diabète, obésité et antécédents familiaux de maladies cardiaques."
}
},
{
"@type": "Question",
"name": "Le tabagisme est-il un facteur de risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme augmente le risque de maladies cardiaques et d'insuffisance cardiaque."
}
},
{
"@type": "Question",
"name": "Comment l'âge influence-t-il le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le risque d'insuffisance cardiaque augmente avec l'âge en raison de la dégradation des fonctions cardiaques."
}
},
{
"@type": "Question",
"name": "L'inactivité physique est-elle un facteur de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le manque d'activité physique contribue à l'obésité et aux maladies cardiaques."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux jouent-ils un rôle ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de maladies cardiaques augmentent le risque d'insuffisance cardiaque."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 05/02/2026
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, The Johns Hopkins University, Baltimore, Maryland.
Publications dans "Dispositifs d'assistance circulatoire" :
4 publications dans cette catégorie
Affiliations :
Division of Cardiovascular Surgery, University of Louisville, Louisville, Kentucky, USA.
Publications dans "Dispositifs d'assistance circulatoire" :
4 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, The Johns Hopkins University, Baltimore, Maryland. Electronic address: asuarez8@jhmi.edu.
Publications dans "Dispositifs d'assistance circulatoire" :
4 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, The Johns Hopkins University, Baltimore, Maryland.
Publications dans "Dispositifs d'assistance circulatoire" :
3 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, The Johns Hopkins University, Baltimore, Maryland.
Publications dans "Dispositifs d'assistance circulatoire" :
3 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, Department of Surgery, The Johns Hopkins Hospital, Baltimore, Maryland.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Cardiology, University of Louisville, KY (E.B.).
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Fluid and Complex Systems Research Centre, Coventry University, Coventry CV1 2TT, UK.
School of Mathematics and Statistics, University of Sheffield, Sheffield S3 7RH, UK.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Aortic and Cardiac Surgery, Royal Brompton Hospital, Sydney Street, Chelsea, SW3 6NP London, UK.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Department of Cardiac Surgery, Medical University of Vienna Spitalgasse 23, A1090 Vienna, Austria.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery Medical University of Vienna Vienna, Austria.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Department of Cardiac Surgery Medical University of Vienna Spitalgasse 23, A1090 Vienna, Austria.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Cardiac Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Pediatric Cardiology at the University of Alberta, Edmonton, Alberta, Canada.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Section of Heart Failure, Cardiac Transplant, and Mechanical Circulatory Support, and Department of Medicine, Stanford University, Stanford, California 94305, USA; email: rjhmille@stanford.edu , jeff.teuteberg@stanford.edu , hunts@stanford.edu.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Division of Cardiothoracic Surgery, Department of Surgery, New York Presbyterian-Columbia University Irving Medical Center New York, New York, USA.
Publications dans "Dispositifs d'assistance circulatoire" :
2 publications dans cette catégorie
Affiliations :
Milstein Division of Cardiology, Department of Medicine, New York Presbyterian - Columbia University Irving Medical Center, New York, New York, USA.
Publications dans "Dispositifs d'assistance circulatoire" :
Right heart failure (RHF) is a well-known complication after left ventricular assist device (LVAD) implantation and portends increased morbidity and mortality. Understanding the mechanisms and predict...
We reviewed the existing definitions of RHF including its potential mechanisms in the context of durable LVAD implantation and currently available medical and device therapies. We performed a literatu...
RHF remains a common complication after LVAD implantation. However, existing knowledge gaps limit clinicians' ability to adequately address its consequences. Early identification and management are cr...
In object-oriented or acausal modelling, components of the model can be connected topologically, following the inherent structure of the physical system, and system equations can be formulated automat...
A comprehensive object-oriented model of the cardiovascular system with a VAD is developed in MATLAB/SIMSCAPE, and its hemodynamic behaviour is studied. An analytically derived pump model is calibrate...
Regurgitation, suction, and optimal speeds are identified, and trends in different hemodynamic parameters are observed for the simulated pathophysiological conditions. Using pertinent parameters in di...
The current research provides a comprehensive and validated framework for the preclinical evaluation of cardiac assist devices. Due to its object-oriented nature, the featured model is readily modifia...
Generally, heart transplantation with marginal donor allografts is reserved for a subset of high-risk patients. However, given the improved survival rates for patients on left ventricular assist devic...
This was a retrospective cohort study of adults (≥18 years) listed for heart transplantation between 2010 and 2022 in the Organ Procurement and Transplantation Network database. A previously validated...
Of 5,713 patients with left ventricular assist devices, 4,683 (82%) comprised the left ventricular assist devices group and 1,030 (18%) the marginal group. The marginal cohort was older (57 [49-64] vs...
Our study validates the superiority of transplantation relative to left ventricular assist devices but also underscores the survival benefit of heart transplantation with marginal donor allografts, ev...
Biventricular assist devices (BiVADs) for pre-heart transplant care is rare. The outcomes of pretransplant BiVAD support after the 2018 heart transplant allocation policy change are entirely unknown a...
Durable left ventricular assist devices (VADs) improve survival in eligible patients, but allocation has been associated with patient race in addition to presumed heart failure (HF) severity....
This study sought to determine racial and ethnic differences in VAD implantation rates and post-VAD survival among patients with ambulatory HF....
Using the INTERMACS (Interagency Registry of Mechanically Assisted Circulatory Support) database (2012-2017), this study examined census-adjusted VAD implantation rates by race, ethnicity, and sex in ...
VADs were implanted in 2,256 adult patients with ambulatory HF (78.3% White, 16.4% Black, and 5.3% Hispanic). The median age at implantation was lowest in Black patients. Implantation rates peaked bet...
Black and White patients with ambulatory HF had similar VAD implantation rates but rates were lower for Hispanic patients. Survival differed among the 3 groups, with the highest estimated survival at ...
Women of reproductive age are increasingly undergoing heart transplantation (HT) or left ventricular assist device (LVAD) implantation for advanced heart failure. This review is intended to give an ov...
Heart transplant recipients are at increased risk for graft rejection, renal dysfunction, preeclampsia and worsening of comorbidities (hypertension and diabetes). Patients with LVAD are at higher risk...
A multidisciplinary approach with close antepartum and postpartum surveillance is recommended....
The prevalence of heart failure in New Zealand is increasing. A small number of select patients with predicted poor short-term survival are candidates for advanced heart failure therapies such as tran...
A retrospective audit of all ventricular assist device (VAD) recipients from January 2005 to December 2022 was conducted. Data were collated using electronic medical and paper records. The primary out...
Thirty-nine patients received VADs; 32 were male and seven female. Mean age was 45 years (range 10-64 years). Most recipients were NZ European (25), six were Māori, four were Pacific peoples and four ...
This audit has provided an opportunity to inform New Zealand clinicians of our durable MCS programme and the expanding role of VAD support in patients with advanced heart failure. The programme will n...
Left ventricular assist devices (LVADs) improve survival in patients with end-stage heart failure but are associated with ischemic stroke and intracranial hemorrhage (ICH). The impact of LVAD-associat...
Adult patients undergoing LVAD implantation at Cleveland Clinic between 2004 to 2021 were reviewed and patients who developed ischemic stroke or ICH were identified. Post-transplant survival analysis ...
917 patients had an LVAD implantation of whom 244 (median age 57, 79% male) underwent subsequent transplant including 25 with prior LVAD-associated stroke. The 1- and 2-year survival after transplant ...
In this single-center retrospective study, patients with LVAD-associated stroke were significantly less likely to undergo heart transplant, but those who underwent heart transplant had similar post-tr...
The new United Network for Organ Sharing (UNOS) heart allocation policy prioritizes temporary percutaneous over durable left ventricular assist devices (LVAD) as bridge to transplant. We sought to exa...
All primary adult orthotopic heart transplant recipients registered in UNOS between January 2016 and June 2021 were analyzed. Recipients were identified as being bridged with isolated durable or percu...
During our study period, heart transplant recipients bridged with LVADs were divided between 5422(94%) durable and 324(6%) percutaneous options. Impella-bridged recipients were more likely to be statu...
Following the UNOS allocation policy change, Impella utilization has increased with no significant difference in 1-year survival compared to bridge with durable LVADs. Impella may be a reasonable alte...
Although lower socioeconomic status (SES) has been associated with worse in-hospital outcomes among patients with heart failure, the in-hospital outcomes for patients undergoing durable Left Ventricul...
We analyzed data from the National Inpatient Sample of hospitalizations between January 2016 and December 2020 of patients aged 18 and over who underwent a HT or newly implanted LVAD. Quartile classif...
A total of 16,265 weighted hospitalizations for new LVAD implantation and 14,320 weighted hospitalizations for HT were identified. In multivariable analysis, among patients undergoing HT or LVAD impla...
In this analysis from the National Inpatient Sample, we demonstrate that SES, evaluated by median zip code income, was not associated with important in-hospital metrics including mortality and length ...