October 2007, Volume 37 Number 10 , p 26 - 27
Lawrence, Barbara L. RN, MEd; Taylor, Debra RN, BSN
Barbara L. Lawrence is a clinical nurse specialist and Debra Taylor is a University of Pittsburgh research nurse at Magee-Womens Hospital of the University of Pittsburgh (Pa.) Medical Center.
ESOPHAGEAL pH MONITORING is the gold standard to determine the frequency and duration of episodes of gastric reflux into the esophagus. Correlating pH readings with the patient's symptoms over 24 to 48 hours helps the clinician determine if gastroesophageal reflux disease (GERD) is the cause.
Previously, esophageal pH testing required advancing the tip of a transnasal pH catheter to an area above the lower esophageal sphincter. The device, in place up to 24 hours, was uncomfortable and interfered with activities of daily living.
A newer wireless system (Bravo) overcomes these drawbacks. By monitoring pH through a radio transmitter the size of a drug capsule implanted in the esophageal mucosa, this system eliminates ...