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Tomas Hess, Eckhart G. Hahn, Peter C. Konturek
Med Sci Monit 2009; 15(1): RA17-21
The monitoring pH exposition in the esophagus plays an important role in the diagnosis of gastro-esophageal reflux disease (GERD). Recently, a new wireless method for intraesophageal pH measurement called the BRAVO system has been introduced for clinical application. This wireless system provides data on pH exposure of the esophagus through a small capsule clipped at the oesophageal mucosa. Since clinical introduction several studies have been published about safety, reliability, patient comfort and different clinical applications. This article provides an overview of different methods of capsule placement, complications, quality of the recorded data as well as future applications of the BRAVO system.