Technologie

#Philips India makes MRIs cheaper, 50% faster -BB

Magnetic resonance imaging (MRIs) scans have existed since the 1970s. Despite being expensive and capital-intensive, they have become the mainstay of hospitals. But hospitals generally refrain from replacing existing technologies because of the cost involved. So, when it first thought of building a new scanning system based on recent advances in what is called compressed sensing techniques, Philips’ India R&D centre knew it had to come up with one that was cost-effective.

„A key challenge was to ensure the software runs on existing computers without needing an upgrade. We also wanted improved image quality, more data for optimising AI, and shorter scan time,“ says Jeroen Tas, chief innovation & strategy officer at Dutch healthcare major Royal Philips.

Compressed sensing is a signal processing technique built on the fact that signals contain redundant information. In MR, this technique is used to reconstruct a full image from severely under-sampled data, while maintaining virtually equivalent image quality. The Philips Innovation Campus in Bengaluru implemented the compressed sensing principle in combination with the company’s parallel imaging method called dS Sense.

The results were dramatic. MRI scans could be done up to 50% faster, with virtually equal image quality compared to Philips scans without Compressed Sense. That meant doctors could spend a lot more time with patients, see more patients. The technology enabled up to 40% reduction in the time patients had to hold their breath during scans. It enabled up to 64% improvement in spatial resolution, with the same scan time. That meant low resolution images (because of, say, patient movement during scan) could be reconstructed into high resolution images, facilitating better diagnosis.

„For a patient suffering from claustrophobia, using these scanning systems would prove much less traumatic,“ says Tas.

Designed by the Bengaluru centre, the technology today is used in hospitals like Radiologie Dr Wagner in Gottingen, Germany, Kurashiki Central Hospital in Japan, and CTI Centre in Innsbruck, Austria. Introduced in the first half of 2018, this technology has also been adopted by Indian hospitals and diagnostic centres like Prima Diagnostics, Bengaluru, Fortis Hospital, Gurgaon, Star Imaging, Pune, and Apollo Proton Centre, Chennai. „India is a price sensitive market. And unless there is a considerable advantage and a clear incentive, hospitals would not shift,“ says Tas.

Other India innovations
* Mobile obstetrics monitoring (MOM) software solution helps to identify and manage high-risk pregnancies at the point it’s needed the most – primary health centres and patients’ homes. It’s commercially running in Indonesia and Africa. A pilot is ongoing in Karnataka and there has so far been zero maternal mortality amongst the 1,500 women registered

* Heart safe city: An end-to-end solution combining education programmes to increase awareness of CPR (cardiopulmonary resuscitation), the use of publicly available AEDs (automated external defibrillator), and new technologies to strengthen the `chain of survival’ from the moment a cardiac arrest occurs. Deployed in the Middle East


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