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. 2010 Jul 7;16(25):3183-6.
doi: 10.3748/wjg.v16.i25.3183.

Technical problems produced by the Bravo pH test in nonerosive reflux disease patients

Andrés de Hoyos  1 , Edgar Alain Esparza
Affiliations

Technical problems produced by the Bravo pH test in nonerosive reflux disease patients

Andrés de Hoyos et al. World J Gastroenterol. .

Abstract

Aim: To evaluate the technical failures of the Bravo pH test in a population with nonerosive gastroesophageal reflux disease.

Methods: Over the course of a year, we prospectively studied a population of 66 nonerosive reflux disease patients who received a Bravo pH test. The number and frequency of all technical failures were documented, quantified and analyzed.

Results: A total of 66 patients, with a mean age of 41.7 years, were studied. Technical failures occurred in 15.15% of the sample. The most frequent failures were due to poor data reception (4.5%), early dislodgement (4.5%) and capsule removal (6.1%).

Conclusion: The Bravo capsule pH test involves a low but non-negligible rate of technical problems, a fact that must always be considered by physicians.

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Figures

Figure 1
Figure 1
Tracings of problems. A: pH tracing with the typical prolonged drop in the pH line when the capsule drops into the stomach; B: pH tracing (in blue) showing gaps as a result of poor data reception.
Figure 2
Figure 2
Improper delivery and removal. A: Capsule placement at an erroneous site; B: Mucosal appearance after a hot snare removal.
See this image and copyright information in PMC

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