Automatic quantification of heart valves from ultrasound

February 19, 2015
Siemens has developed software, which uses advanced knowledge based data analytics to efficiently model heart valves from 3D Ultrasound images and quantify geometrical dimensions. Valve geometry features are critical for disease diagnostics as well as surgical and catheter based therapy. Today physicians are performing valve measurement using 2D imaging only, making the decision process time consuming and operator dependent, which reduces its reproducibility.

Siemens has developed software, which uses advanced knowledge based data analytics to efficiently model heart valves from 3D Ultrasound images and quantify geometrical dimensions. Valve geometry features are critical for disease diagnostics as well as surgical and catheter based therapy. Today physicians are performing valve measurement using 2D imaging only, making the decision process time consuming and operator dependent, which reduces its reproducibility.

Automated measurements are now enabled by a new ultrasound probe to reduce complexity that creates unstitched 3D images of the heart in real-time, combined with blood flow imaging via color Doppler technology. From this image data, the eSie Valves advanced analysis package software enables efficient creation of a 3D model of the mitral and aortic valves, from which a multitude of measurements are computed. The eSie Valves package not only offers fast and reproducible quantification using clinical standard measurements, but also enables standard dynamic of geometrically complex valve anatomy, which would not be practical to obtain manually. eSie Valves is planned to be delivered with the new PRIME ACUSON SC2000 ultrasound systemPrime Ultrasound scanner.

This system offers a new trans-esophageal ultrasound probe. In practice, the transducer is inserted into the esophagus of a patient via an endoscope. In this way, the heart is imaged at close proximity, yielding highly accurate images. The device also measures the frequency of ultrasound waves reflected by blood cells (Doppler principle) and thereby computes the direction and speed of blood flow.

Learning software identifies heart valves automatically

In these images, eSie Valves automatically identifies and creates detailed 3D models. Image processing and machine learning technology, developed by Siemens' research division Corporate Technology, builds the foundation of the software. It enables fast and robust object detection within medical image data that is subject to noise and a wide spectrum of variation in appearance due to organ motion, pathology and patient variation. It is based on learning technology that analyzes hundreds of similar images from a database and learns how to identify recurrent image features as reference anatomical landmarks.

In the case of cardiac , a large number of acquisitions from different patients were used for the learning process. The software learns to identify certain anatomical features of different granularity, e.g. the coarse appearance of valves and chambers or fine details such as tips of the . Then the software scans the image to determine location and pose of the valves, to finally generate a 3D model of the valve anatomy in a matter of seconds.

In collaboration with leading medical centers, clinical studies highlighted the reproducibility and speed of eSie Valves over competing solutions.

Explore further: Real-time volume imaging of hearts

Related Stories

Real-time volume imaging of hearts

November 28, 2014
A new ultrasound system from Siemens enables doctors to carry out heart examinations through the esophagus for the first time. The system supplies 3D images of the heart as well as additional real-time information about the ...

3D printed heart could reduce heart surgeries in children

December 5, 2014
New 3D printed heart technology could reduce the number of heart surgeries in children with congenital heart disease, according to Dr Peter Verschueren who spoke on the topic today at EuroEcho-Imaging 2014.1 Dr Verschueren ...

Engineering research offers hope for heart valve patients

January 8, 2015
There could soon be new hope for those facing one of humanity's biggest health issues, thanks to research from the College of Engineering.

Study examines survival following repair of failed bioprosthetic aortic valves

July 8, 2014
In an analysis of about 460 patients with failed bioprosthetic aortic valves who underwent transcatheter valve-in-valve implantation, overall survival at one year was 83 percent, with survival associated with surgical valve ...

Skin cells used to create heart valve for growing kids

September 3, 2014
(HealthDay)—While artificial heart valves have long been available to adults, making permanent valves for children has been challenging because kids' bodies keep growing.

Samsung premium ultrasound system enhances fetal heart imaging and diagnosis

February 4, 2015
Samsung Electronics America today introduced the Samsung WS80A with Elite performance package, its flagship ultrasound product for women's healthcare designed to streamline exam workflows and deliver exceptional image clarity. ...

Recommended for you

Cholesterol crystals are sure sign a heart attack may loom

August 17, 2017
A new Michigan State University study on 240 emergency room patients shows just how much of a role a person's cholesterol plays, when in a crystallized state, during a heart attack.

How Gata4 helps mend a broken heart

August 15, 2017
During a heart attack, blood stops flowing into the heart; starved for oxygen, part of the heart muscle dies. The heart muscle does not regenerate; instead it replaces dead tissue with scars made of cells called fibroblasts ...

Injectable tissue patch could help repair damaged organs

August 14, 2017
A team of U of T Engineering researchers is mending broken hearts with an expanding tissue bandage a little smaller than a postage stamp.

'Fat but fit' are at increased risk of heart disease

August 14, 2017
Carrying extra weight could raise your risk of heart attack by more than a quarter, even if you are otherwise healthy.

Air pollution linked to cardiovascular disease; air purifiers may lessen impact

August 14, 2017
Exposure to high levels of air pollution increased stress hormone levels and negative metabolic changes in otherwise healthy, young adults in a recent study conducted in China. Air purifiers appeared to lessen the negative ...

Study hints at experimental therapy for heart fibrosis

August 14, 2017
Researchers report encouraging preclinical results as they pursue elusive therapeutic strategies to repair scarred and poorly functioning heart tissues after cardiac injury—describing an experimental molecular treatment ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.