Heart failure
Conditions
Interventions
Gold Standard:Clinical diagnosis of heart failure combined with echocardiographic assessment (including left ventricular diastolic function, left atrial enlargement, and BNP/NT-proBNP levels), determi
Index test:A multimodal large language model (integrating text and image inputs) for assisting in the screening of HFpEF.
Sponsors
Handan First Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-80 years, male or female; 2. Inpatients in the Department of Cardiology suspected of heart failure (cardiac ultrasound showed abnormal cardiac function, meeting at least one of the following: 1). left ventricular hypertrophy and/or left atrial enlargement; 2). abnormal cardiac diastolic function); 3. At least one symptom of heart failure currently or in the past, including dyspnea (including exertional dyspnea, nocturnal paroxysmal dyspnea, orthopnea), fatigue, poor appetite and edema of both lower limbs; 4. Voluntary participation and signing of the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Acute heart failure or acute deterioration of chronic heart failure; 2. Severe coronary artery stenosis (>= 75% stenosis) without revascularization therapy; 3. Patients who are unable to undergo exercise stress echocardiography or have contraindications to the examination; 4. Participating in other clinical trials; 5. Patients with severe organic lesions or chronic diseases such as liver, kidney, and blood system; 6. Unable to follow the trial procedures; 7. Refusing to sign the informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The diagnostic specificity of HFpEF in the screening mode between the experimental group and the control group;Diagnostic sensitivity of screening patterns in the experimental and control groups for HFpEF;The diagnostic consistency of HFpEF between the screening modes of the experimental group and the control group.; | — |
Secondary
| Measure | Time frame |
|---|---|
| Diagnosis time, comparing the time required to diagnose heart failure between the two groups;Patient Satisfaction: Assess the patient's satisfaction with the diagnostic process.;Long-term effects of diagnostic accuracy;Economic cost analysis;Misdiagnosis rate;Physician workload assessment;Efficiency of the diagnostic process; | — |
Countries
China
Contacts
Public ContactMiao Mengdan
Handan First Hospital
Outcome results
None listed