Left Ventricle Wall Thickness
| Purpose | Automate standard LV wall thickness measurements |
| Tag(s) | #LV Functional Assessment |
| Panel | Cardiac |
| Define-AI ID | 18040013 |
| Originator | Carlo De Cecco |
| Panel Chair | Carlo De Cecco |
| Panel Reviewers | Cardiac Panel |
| License | |
| Status | Published |
Clinical Implementation
Value Proposition
The measurement of left ventricular (LV) function is a well-established clinical parameter that has fundamental diagnostic, therapeutic, and prognostic implications. Cardiac CT angiography (CCTA) and cardiac magnetic resonance (CMR) allow accurate LV morphological and functional assessment. Automated LV function quantification would save the interpreting physician time by eliminating manual measurements, preventing detection errors, and providing structured quantitative data, which could then be used in later studies or risk-stratification schemes.Narrative(s)
All patients undergoing CCTA or CMR examinations should have automated quantification of LV function if data are available, which may then be automatically populated into the radiology report or a report supplement.Workflow Description
A patient receives ECG-synchronized CCTA of the heart. An algorithm retrieves the imaging data set and may ingest additional electronic medical records (EMR) data such as age, sex, and body surface area (BSA). The algorithm calculates the local values for myocardial wall thickness during end-diastole and myocardial wall thickness during end-systole. The algorithm returns all measurements to the radiologist.Considerations for Dataset Development
Procedures(s): ECG-synchronized cardiac CT
View(s): CCTA: volumetric imaging data set
Heart Anomalies: {Congenital heart disease, ventricular septal defects, congenital heart disease repair, mitral valve replacements}
Age: [0,90]
Body Surface Area: varied
Contrast Material: {Contrast-enhanced (CCTA), noncontrast enhanced applications}
Technical Specifications
Inputs
DICOM Study
| Procedure | ECG-synchronized cardiac CT |
| Views | CCTA: volumetric imaging data set |
| Data Type | DICOM |
| Modality | CT |
| Body Region | Chest |
| Anatomic Focus | Heart |
Primary Outputs
End Diastolic Myocardial Wall Thickness
| RadElement ID | |
| Definition | Measure LV end-diastolic myocardial wall thickness (mm) |
| Data Type | Numeric |
| Value Set | [0,20] |
| Units | mm |
End Systolic Myocardial Wall Thickness
| RadElement ID | RDE224 |
| Definition | Measure LV end-systolic myocardial wall thickness (mm) |
| Data Type | Numeric |
| Value Set | [0,25] |
| Units | mm |