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X-ray imaging shows COVID-19 damage to heart in new detail

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Since the pandemic began, research into how COVID-19 damages the respiratory system has been widely discussed and researched. Now, a team from Germany is giving a first look at how the coronavirus can affect the heart by using three-dimensional X-rays of the organ.

Publishing their study in the, researchers from the University of Gottingen and Hannover Medical School discovered significant changes in the heart muscle tissue of people who died from COVID-19.

The researchers analyzed images of heart tissue structure in a high-resolution format from synchrotron radiation, or a very bright X-ray, and displayed it in 3D.

They observed clear changes at the capillary level in the hearts, affecting the tiny blood vessels in the heart muscle tissue 鈥 revealing a network full of splits, branches and loops that had been 鈥渃haotically remodelled by the formation and splitting of new vessels,鈥.

These changes are the first direct visuals of the damage COVID-19 can cause in the body, which is known as 鈥渋ntussusceptive angiogenesis鈥 or new vessel formation in the tissue, according to the release.

In order to have such detailed 3D imaging of the capillary network, researchers had to painstakingly, manually label all of the image data so that a computer could render it using machine-learning methods.

"The parameters obtained from this then showed a completely different quality compared to healthy tissue, or even to diseases such as severe influenza or common myocarditis," said study leaders Tim Salditt and Danny Jonigk in the release.

The study says that their process could be done in other clinics to support doctors with routine diagnostics. In the future, researchers want to expand the use of synchrotron radiation to help create automated tools for diagnosing patients with other diseases. 

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