High-resolution manometry

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High-resolution manometry (HRM) is a novel gastrointestinal motility diagnostic system that measures intraluminal pressure activity within the gastrointestinal tract using a series of closely spaced pressure sensors. For a manometry system to be classified as "high resolution" as opposed to "conventional", the pressure sensors need to be at least 1 cm apart. Two dominant pressure transduction technologies are used, (i) solid state pressure sensors, and (ii) water perfused pressure sensors. Each pressure transduction technology has its own inherent advantages and disadvantages. HRM systems also require advanced computer hardware and software to store and analyze the manometry data.