Flow in the Pulmonary Artery

Purpose	Automate measurement of flow in pulmonary artery
Tag(s)
Panel	Cardiac
Define-AI ID	18040021
Originator	Benoit Desjardins
Panel Chair	Carlo De Cecco
Panel Reviewers	Cardiac Panel
License	Creative Commons 4.0
Status	Published

                

Clinical Implementation

Value Proposition

Measurement of flow in the pulmonary artery is a well-established clinical parameter that has fundamental diagnostic, therapeutic, and prognostic implications. Cardiac Magnetic Resonance (CMR) allow accurate assessment of flow parameters. Automated pulmonary artery flow quantification would save the interpreting physician time via elimination of manual measurements, prevent detection errors, and provide structured quantitative data, which could be used in later studies or risk stratification schemes.

Narrative(s)

All patients undergoing CMR examinations which include flow measurements should have automated quantification of pulmonary artery flow if data are available, which may then be automatically populated into the radiology report or a report supplement.

Workflow Description

Patient receives MRI of the chest/heart. Algorithm retrieves pulmonary artery flow imaging dataset if present and may ingest additional EMR data such as age, sex, and body surface area. Algorithm executes and calculates values of net flow, flow volume, maximum flow velocity and flow gradient in the pulmonary artery. Algorithm also determines if aliasing is present. Algorithm returns all measurements, which could populate the report (possibly within a supplement containing other quantitative data). Algorithm flags abnormal values.

Considerations for Dataset Development

Procedures(s): MRI, Cardiac

View(s): CMR velocity-encoded phase contrast images, pulmonary artery

 

Sex at Birth: {Male, Female}

 

Age (years): [0,90]

 

Intervention: {Congenital heart disease repair, mitral valve replacements}

 

Comorbidities: {Congenital heart disease, Ventricular septal defects}

 

Body Surface Area (m²): [1,3.5]

 

Body Mass Index (kg/m²): [10,52]

 

Pulmonary artery diameter (mm): [10,50]

Technical Specifications

Inputs

DICOM Study

Procedure	MRI, Cardiac
Views	CMR velocity-encoded phase contrast images, pulmonary artery
Data Type	DICOM
Modality	MR
Body Region	Chest
Anatomic Focus	Heart

Primary Outputs

Pulmonary Artery Flow Rate

RadElement ID	RDE297
Definition	Measurement of net flow volume in the pulmonary artery above the aortic valve
Data Type	Numeric
Value Set
Units	mL/sec

Secondary Outputs

Maximum Flow Velocity in the Pulmonary Artery

RadElement ID	RDE298
Definition	Measurement of maximum flow velocity in the pulmonary artery above the aortic valve
Data Type	Numeric
Value Set
Units	cm/sec

Related Datasets

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