Key result
The fully automated diagnostic system (System β) achieved a 96.0% concordance rate with manual measurements for measuring the outside-to-outside distance of the abdominal aorta.
Why the study?
Ultrasound measurement accuracy for abdominal aortic aneurysm depends on reader skill due to unclear images, creating a need for an automated system to analyze vessels and assist diagnosis.
Effect estimate: CR 96.0%
An automated ultrasound diagnostic system using YOLOv10 and SAM2 can measure the outside-to-outside distance of the abdominal aorta with accuracy comparable to manual measurement, potentially aiding in AAA screening.
Automated AAA ultrasound measurement systems may aid reader consistency; leaves open prospective clinical validation before practice adoption.
Abdominal Aortic Aneurysm (AAA) is a disease that progresses without symptoms and has a high mortality rate.Abdominal ultrasonography is the initial diagnosis of choice for this disease, and the presence or absence of an aneurysm is determined by the length of the inter-pericardial distance of the vessels depicted on the ultrasound image.On the other hand, because ultrasound images are unclear, the accuracy of vessel diameter measurement depends on the skill of the reader.Therefore, for early detection and accurate diagnosis of diseases, a system that automatically analyzes blood vessels from images and supports reading and diagnosis is required for ultrasound systems.Therefore, in this study, we developed and evaluated a system that has functions for detecting vascular regions and measuring the distance between vascular adventitia using an image segmentation model and a model learned with YOLOv10 on ultrasound images of the abdominal aorta.
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Nishida et al. (2025) studied Abdominal Aortic Aneurysm (n=6). Automated diagnostic system (System β) vs. Manual measurement was evaluated on Concordance rate (CR) of outside-to-outside (OTO) distance measurement within Limits of Agreement in Bland-Altman analysis (CR 96.0%). The fully automated diagnostic system (System β) achieved a 96.0% concordance rate with manual measurements for measuring the outside-to-outside distance of the abdominal aorta.
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