Telemetric real-time sensor for the detection of XXXX .

@entity1 @entity548 @entity190 @entity1066 @entity204 @entity360
UNASSIGNED: @entity360 from @entity1066 or esophago-gastric varices are life threatening medical conditions which require immediate endoscopic therapy. Despite successful endoscopic hemostasis, there is a significant risk of rebleeding often requiring close surveillance of these @entity1 in the intensive care unit (ICU). Any time delay to recognize @entity548 may lead to a high @entity190 and increases the risk of @entity204 . A novel telemetric real-time @entity548 sensor can help indicate blood in the stomach: the sensor is swallowed to detect active @entity548 or is anchored endoscopically on the gastrointestinal wall close to the potential @entity548 source. By telemetric communication with an extra-corporeal receiver, information about the @entity548 status is displayed. In this study the novel sensor, which measures characteristic optical properties of blood, has been evaluated in an ex-vivo setting to assess its clinical applicability and usability. @entity1 venous blood of different concentrations, various fluids, and liquid food were tested. The LED-based sensor was able to reliably distinguish between concentrated blood and other liquids, especially red-colored fluids. In addition, the spectrometric quality of the small sensor (size: 6.5mm in diameter, 25.5mm in length) was comparable to a much larger and technically more complex laboratory spectrophotometer. The experimental data confirm the capability of a miniaturized sensor to identify concentrated blood, which could help in the very near future the detection of upper @entity360 and to survey high-risk @entity1 for rebleeding.
