Combining AI with radiologists substantially improves detection of pulmonary embolism (PE) on CT pulmonary angiography (CTPA) scans, new research shows.
Key Details
- 1Researchers retrospectively analyzed 32,500 CTPA exams from over 29,000 adults (2021-2023).
- 2AI and radiologists agreed on PE diagnosis in 97.8% of cases.
- 385% of positive PE cases were flagged by AI and confirmed by radiologists; 15% were found only by radiologists.
- 4Radiologists were correct in 88.7% of the disagreements; AI in 11.3%.
- 5AI-informed radiologists achieved 99.2% sensitivity for PE detection.
- 6Concordance was highest for acute and central emboli, which have the most clinical urgency.
Why It Matters
This study demonstrates that integrating AI with radiologist expertise can improve both the efficiency and accuracy of PE detection, especially for urgent cases. It highlights the necessity of human oversight, illustrating the best results stem from collaborative use rather than AI or radiologist alone.
Source
Radiology Business
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