Reproducibility of ambulatory esophageal pH monitoring in the aperistaltic esophagus
JP Shoenut, AB Micflikier, TAM Aldor, CS Yaffe… - Dysphagia, 1996 - Springer
The reproducibility of ambulatory 24-h esophageal pH monitoring was evaluated in 16
consecutive patients by comparing the difference in two consecutive 24-h periods. The study
group included 8 patients with scleroderma esophagus and 8 treated achalasia patients.
The amount of reflux was expressed as the percentage of time the pH was< 4.0. Both groups
demonstrated excellent intrapatient reproducibility overall: 96% in scleroderma patients and
95% in those patients with achalasia. The least concordance was found in the lengths of the …
consecutive patients by comparing the difference in two consecutive 24-h periods. The study
group included 8 patients with scleroderma esophagus and 8 treated achalasia patients.
The amount of reflux was expressed as the percentage of time the pH was< 4.0. Both groups
demonstrated excellent intrapatient reproducibility overall: 96% in scleroderma patients and
95% in those patients with achalasia. The least concordance was found in the lengths of the …
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