The PneumoRator Study

Healthcare workers measure heart rate, blood pressure, temperature, oxygen levels and breathing rate to monitor how unwell a patient is. All these apart from breathing rate are now normally measured by machines. But there still isn't a machine that does this well enough for breathing rate to be used in most places. The machines that do exist are either uncomfortable or don't work well on patients who are moving. Instead, a healthcare worker will count the number of breaths a patient takes. This needs staff time and isn't very accurate. It is known that changes in breathing rate can happen any time. But healthcare systems normally only measure it every few hours because it takes time. Breathing rate could be monitored all the time, we might pick up people getting sick earlier and be able to treat them more quickly, which could save lives. A team at the University of Southampton has made a small device, called a PneumoRator, that gets stuck to onto a person's chest. Once stuck there it can measure their breathing rate and store or send that information wirelessly. The device has been tested on healthy volunteers but has never been tested on patients in hospital. In this study the team will put the device on patients having major operations. The investigators will record information already collected about patients during normal care. This includes their breathing rate using the best measurement we have, where a patient's breathing is measured by a gas they breathe out. The g…

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