Saturday, June 8, 2013

Model heart helps doctors perfect cure

BANGALORE: What stress do the heart's tissues undergo when it contracts? How much does it deform? Two engineers from IT major Infosys Technologies have developed a three-dimensional model of the human heart to enable doctors understand the vital organ better.

The model simulates the heart's functioning, in particular the deformation and stress induced on its tissues due to systolic (contraction) and diastolic (relaxation) pressures. It's aimed at helping medical professionals improve their understanding of the cardio-mechanics of the heart and to perform quick studies on various parameters influencing the heart.

Anirudha Ambulgekar, engineering analyst, and Dattatraya Parle, principal consultant, are from the biomedical engineering division. "With heart diseases emerging as the No. 1 killer in India, our aim was to provide a near real-life scenario to improve understanding of the complexities of heart disorders. We used finite element analysis, computer aided design and engineering techniques. The objective was to understand the stress and deformation pattern within tissues subjected to pressure loads using mechanical engineering concepts and tools,'' they told TOI.

Parle, earlier a scientist at the Bhabha Atomic Research Centre, said: "The challenge in developing the model was the need for a combination of anatomical and medical knowledge along with engineering expertise. We collaborated with radiologists and medical experts to understand the heart's functioning, medical imaging and 3D model generation.''

Cardiologists said engineering analysis of the heart helps better understanding of cardio-mechanics. "The work will help medical device manufacturers to virtually test and validate implants, to detect and correct anomalies quickly and evaluate different solutions,'' they said.

Source : TNN

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