Aortic Stenosis
Conditions
Interventions
Observation group of aortic valve stenosis:None
Sponsors
Southern Medical University Southern Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Voluntary Provision of Informed Consent; 2.Age>=18 years; 3.Patients who presented to Nanfang Hospital, Southern Medical University between January 2020 and January 2026; 4.Patients who underwent Transcatheter Aortic Valve Replacement (TAVR) with both preoperative contrast-enhanced computed tomography angiography (CTA) and non-contrast computed tomography (NCCT) of the chest;
Exclusion criteria
Exclusion criteria: 1.Inadequate quality of preoperative NCCT or CTA images that precludes subsequent quantitative analysis or AI processing; 2.Previous history of aortic or cardiac surgery resulting in altered anatomical structures of the aortic arch or cardiac valves; 3.Existing aortic or cardiac implants, including but not limited to endovascular stents or prosthetic valves; 4.Any condition that, in the opinion of the investigator, renders the patient unsuitable for participation in the study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The consistency between the area of the aortic valve ring and the results of enhanced CTA; | — |
Secondary
| Measure | Time frame |
|---|---|
| The influence on surgical decisions;Evaluate the comprehensive performance of the model in the measurement of other key anatomical parameters;Exploring the clinical risk prediction potential of the model; | — |
Countries
China
Contacts
Public ContactQiuxia Zhang
Southern Medical University - Southern Hospital
Outcome results
None listed