Page 169 - International Space Station Benefits for Humanity, 3rd edition.
P. 169

If additional analysis shows that the space-grown   training tools so astronauts can produce diagnostic-
               crystals have the desired property parameters,   quality ultrasound scans autonomously.
               researchers can apply that information to experiments   In addition to developing an integrated ultrasound
               on the ground.                                  imaging and therapy device, goals of this ongoing
               The team’s findings could help researchers better   work include providing a higher degree of control
               understand the crystallization process of therapeutic   over scanning parameters and greater access to raw
               monoclonal antibodies in general. Such knowledge   ultrasound data to facilitate algorithm development,
               could lead to important advances in monoclonal   and developing medical ultrasound systems that
               antibody drugs that could one day translate into   function more readily with radiation-tolerant processes
               significant improvements in quality of life for patients   for deep-space missions.
               with cancer and autoimmune disorders.
                                                               One of the completed FUS investigations, Prevention
                                                               of Renal Stone Complications in Space Exploration,
               Using Ultrasound to Zap Kidney Stones           refined capabilities previously demonstrated on human
                                                               subjects on the ground to screen for, diagnose, and
               and Other Health Problems in Space              treat renal stones using FUS onboard the space station.
               Kidney stones, often painful and debilitating, have    More than 40 papers have been published on this
               long been a serious concern for astronauts.     ground-based work, more than 40 patent applications
               Dehydration, stasis, and bone demineralization are   submitted, and the technology licensed to a spin-off
               strong contributors to kidney stones and commonly   company, SonoMotion Inc (http://www.sonomotion.
               occur in microgravity. Astronauts have reported    com/).
               kidney stones, postflight, more than 30 times.
                                                               “We have shown we can produce a working prototype,
               Technology currently under investigation could solve   develop sufficiently high-quality imaging to guide
               this and other health problems related to spaceflight.   treatment, train new users, and conduct a successful
               The Flexible Ultrasound System (FUS) demonstrates   clinical trial,” says Principal Investigator Michael Bailey
               use of a ground-tested, software-based ultrasound   of the University of Washington. “We have implemented
               technology in a device for deep-space missions. FUS   our technologies with different probes, and our imaging
               aims to provide state-of-the-art clinical internal imaging   software can be added to an FUS or commercial
               and additional capabilities, such as using ultrasound   imager. The system, once validated in flight, largely
               for therapy as well as diagnosis, and facilitating   closes the gap for diagnosing and treating kidney
               development of algorithms for advanced image    stones on exploration missions.”
               interpretation.
                                                               Future investigations onboard the space station
               FUS is based on the commercial GE Vivid-E95 clinical   are scheduled to continue to refine and develop
               ultrasound device. Modifications by ZIN Technologies   the technology for use in space.
               (https://www.zin-tech.com/) incorporate advanced
               capabilities that allow researchers not only to detect   The system also has applications on Earth. One in
               and manipulate renal stones, but also assess bone   11 Americans has suffered from kidney stones—
               health, enhance healing of musculoskeletal injuries,   more than have diabetes or cardiovascular disease.
               monitor intracranial pressure via eye scans, and provide   FUS technology can be used on any imager by any
                                                               user to improve accuracy of stone size determination.
                                                               Overestimated stone size leads to unnecessary
                                                               surgeries, and underestimated stone size leads to
                                                               obstructions and emergency room visits. A study
                                                               funded by NASA at the University of Washington
                Combined with its other capabilities,          tests ultrasound-based technologies for stones in
                the flexible ultrasound technology             the emergency department.
                provides welcome relief for                    Determining kidney stone size similarly determines
                                                               the risk and appropriate course of action in space.
                astronauts in space and people                 Astronauts exposed to spacefight face increased
                on the ground.                                 risk for renal stone formation. In addition, a potential
                                                               medication used to combat spaceflight-associated
                                                               neuro-ocular syndrome may also increase this risk.




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