Imbio PHA (4.0.0)
Overview
Imbio PHA (Pulmonary Hypertension Assessment) Software (version 4.0.0) is a cutting-edge medical image processing tool that leverages artificial intelligence to provide rapid, automated analysis of cardiothoracic CT scans. Specifically designed to work with non-gated, contrast-enhanced CT pulmonary angiogram (CTPA) images, PHA identifies and measures the maximal diameters of the heart’s right and left ventricles, the main pulmonary artery, and the ascending aorta.
The software then calculates key ratios, including the right ventricular to left ventricular diameter ratio (RV/LV) and the main pulmonary artery to aorta ratio (PA/Ao). These measurements and ratios are crucial biomarkers for assessing the severity of acute pulmonary embolism and pulmonary artery pressure. Imbio PHA integrates seamlessly into existing radiological workflows, providing annotated DICOM image series and comprehensive PDF summary reports directly into the patient study in PACS, without requiring additional user interaction.
Imbio’s solutions are developed by physicians for physicians, aiming to enhance diagnosis, improve clinical efficiencies through automation, and support data-driven, personalized patient care from screening through treatment tracking.
Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Key Features
- Automated measurement of right and left ventricle diameters
- Automated measurement of main pulmonary artery and aorta diameters
- Calculates RV/LV and PA/Ao ratios
- Utilizes artificial intelligence algorithms for anatomical identification and measurement
- Generates annotated DICOM images
- Provides summary reports in PDF format
- Integrates with native DICOM tools and workflows
- Rapid, fully-automated assessment (typically in minutes)
- Compatible with non-gated, contrast-enhanced CT pulmonary angiogram images
- Supports cloud and on-premise deployment options
Use Cases
- Assessment of potential right ventricular dilation
- Aiding PE Response Teams (PERT)
- Risk stratification for pulmonary and cardiopulmonary diseases
- Assisting in diagnosis and treatment decisions for pulmonary embolism
- Quantitative reporting of right heart strain
- Supporting clinical assessment of CTPA cases
What Physicians Need to Know
Imbio PHA provides fully-automated, quantitative measurements of RV/LV and PA/Ao ratios from CTPA scans, standardizing assessment of right ventricular dilation and pulmonary artery pressure. This information is crucial for risk stratification in acute cases, particularly pulmonary embolism, and can aid in predicting patient outcomes. Physicians should note that the software is intended to aid in assessment and not for standalone disease detection or diagnosis. Optimal performance requires adequate scan quality and contrast enhancement (LV attenuation > 100 HU), and results should be interpreted considering any comorbidities or artifacts.
Imbio PHA integrates seamlessly with Picture Archiving and Communication Systems (PACS) by automatically sending annotated images and summary reports in DICOM and PDF formats. It can be deployed via Imbio's Core Compute Platform (ICCP) in cloud or on-premise configurations, or through various partner platforms. Imbio has established partnerships with AI platforms and distributors including Blackford Analysis, Philips Healthcare, Nuance, Aidoc, Siemens Syngo.via, TeraRecon, FerrumHealth, and Flywheel. This allows for automated processing of images directly from scanners to PACS, often with the capability for real-time notifications through integrated partner solutions.
Details
| Category | Cardiology AI, Radiology & Imaging AI |
| Pricing | Contact for pricing |
| Deployment | Cloud, Enterprise (on-premise), or via partners |
| Compliance | |
| BAA Available | Unknown AI-estimated |
| HIPAA Compliant | Unknown AI-estimated |
| FDA Status |
Yes AI-estimated Imbio PHA (4.0.0) received FDA 510(k) clearance (K241847) on August 30, 2024. It is a medical image processing software designed to measure the maximal diameters of the heart's right and left ventricles, the main pulmonary artery, and the ascending aorta from CT pulmonary angiography scans, using AI to assist clinicians in evaluating cardiovascular health. |
| Integrations | |
| EHR | Not specified |
| Specialties | Cardiology, Pulmonology, Radiology |
What the Web Says
Imbio PHA (4.0.0) is an AI-powered medical imaging software designed for the automated analysis of CT pulmonary angiogram (CTPA) scans. It measures cardiac structures, specifically the right and left ventricles, to assess potential right ventricular dilation and aid in the diagnosis and risk stratification of pulmonary embolism and hypertension. The software integrates seamlessly into existing DICOM workflows and PACS, providing automated measurements and summary reports without requiring active user intervention.
Overall: PositiveStrengths
- Fully automated and 'zero-click' functionality, streamlining workflow for radiologists.
- Provides rapid, objective, and quantitative measurements from CTPA scans.
- Aids in the diagnosis and risk stratification of pulmonary embolism and hypertension.
- Seamless integration into existing DICOM workflows and PACS.
- Generates annotated DICOM images and summary reports in PDF format.
- FDA 510(k) cleared.
Limitations
- Pricing information is not publicly disclosed.
- Public support information is general, directing users to contact Imbio for specific manuals.
- Serves a more specialized user base and workflow compared to some other tools.
- Results are not intended to be used on a stand-alone basis for clinical decision-making.
- Evidence of direct impact on patient survival and reduced healthcare utilization is not as strong as some competitors.
Based on reviews from: Physician AI Tools (Vertex AI Search), Imbio (imbio.com), 4DMedical, Health AI Register
Last updated: 2026-07-18
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