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While occasional heartburn may be normal, millions of people suffer from chronic esophageal reflux, which is characterized by symptoms including frequent heartburn, chest pain, indigestion, or bitter-tasting fluids in the throat or mouth more than twice a week.  These chronic symptoms can interfere with daily activities and may be associated with a more serious problem known as gastroesophageal reflux disease (GERD). GERD can damage the esophagus and, if left untreated, GERD may lead to more serious medical problems.

Because GERD and other esophageal conditions can be hard to diagnose from symptoms alone, reflux monitoring may be a good way to evaluate these symptoms.  By identifying the frequency and duration of reflux, doctors can decide on a treatment option for a patient’s symptoms.

Capsule-based Bravo pH monitoring or catheter-based Digitrapper pH-Z monitoring can be used to collect data which can determine the frequency and duration of reflux.  Each device offers specific benefits for collecting valuable information for correlating symptoms to reflux.

Bravo® pH Monitoring

Bravo pH monitoring is a capsule-based, patient-friendly test for identifying the presence of acid reflux. Information is collected over multiple days, which allows the doctor to evaluate reflux symptoms by determining the frequency and duration of acid flowing back up into the esophagus. The test is used to confirm if the patient’s symptoms are caused by gastroesophageal reflux disease (GERD).

Bravo pH monitoring is unique because of its catheter-free design. By using a miniature pH capsule attached to the esophagus, pH data from the esophagus can be wirelessly transmitted to a small recorder worn on a shoulder strap or waistband.

Because Bravo pH monitoring allows patients to maintain their regular activities, patients are provided with a convenient way to evaluate heartburn symptoms.1   The capsule design allows patients to take the receiver off to shower and sleep without interrupting the test.  Additionally, maintaining regular activities and a normal diet during the test also has the potential to provide a more accurate picture of acid exposure, compared to data collected using catheter-based systems where normal activities may be limited.2
1 Wong WM, Bautista J, Dekel R, et al. Feasibility and tolerability of transnasal / per-oral placement of the wireless pH capsule vs. traditional 24-h oesophageal pH monitoring – a randomized trial. Aliment Pharmacol Ther. 2005; 21(2): 155-163.
2 Hirono I, Richter JE. Practice Parameters Committee of the American College of Gastroenterology. ACG practice guidelines: esophageal reflux testing. Am J Gastroenterol. 2007; 102(3): 668-685.


Digitrapper® pH-Z Monitoring

Digitrapper pH-Z monitoring is a catheter-based test using a combination of pH and impedance sensors for the identification of reflux at multiple locations, including the esophagus and pharynx. Data collected differentiates acid and non-acid reflux in patients with an array of symptoms.
With these measurements, doctors can evaluate the number of reflux events, the acid content of each event and how long each event lasted. This helpful information can also help doctors diagnose gastroesophageal reflux disease (GERD) and other disorders. This test may also determine if the cause of the symptoms may be extraesophageal in nature.

Pdf Document  : REFLÜ IMPEDANCE Digitrapper