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KMID : 0812020070130020111
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Korean Journal of Neurogastroenterology and Motility
2007 Volume.13 No. 2 p.111 ~ p.117
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The Performance and Safety of Bravo Esophageal pH Monitoring in Korean Patients
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Cho Yu-Kyung
Choi Myung-Gyu
Chang Jae-Hyuck
Nam Kwan-Woo
Kwon Jung-Hyun
Suh Jung-Pil
Paik Chang-Nyol
Park Jae-Myung
Lee In-Seok
Kim Sang-Woo
Chung In-Sik
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Abstract
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Background/Aims: The wireless Bravo esophageal pH monitoring has been reported to be a reliable and tolerable method in patients with gastroesophageal reflux disease (GERD) in Western countries. The aim of this study was to assess the performance and safety of the Bravo pH monitoring in Korean patients.
Methods: Seventy two patients (M:F=37:35, 44±13 years) undergone 48-hour or 24-hour Bravo pH monitoring to diagnose GERD or to evaluate responses to proton pump inhibitor. Forty eight-hour monitoring was done in 62 patients and 24-hour monitoring was done in 10 patients.
Results: The attachment rate of capsule was 99%. Minimum 24-hour pH data were obtained from 64 patients (89%) (poor data reception in 3 patients, early capsule detachment before 24 hours in 3 patients, inappropriate capsule attachment in 2 patients). Compared with first 24-hour data alone, 48-hour data showed 16% more patients with GERD. Ninety three percent of patients answered that their usual activities were slightly disturbed or not disturbed. In four patients who complained severe retrosternal pain after capsule insertion, endoscopy revealed contact ulcer around the capsule. However, their symptoms regressed with conservative treatment.
Conclusions: The Bravo pH monitoring is safe and tolerable in Korean patients. Extending recording time to 48-hours with the wireless pH monitoring increases the likelihood of diagnosing GERD. (Kor J Neurogastroenterol Motil 2007;13:111-117)
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KEYWORD
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Bravo pH, Gastroesophageal reflux disease
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