Ambulatory pH Monitoring (ambulatory + ph_monitoring)

Distribution by Scientific Domains


Selected Abstracts


Randomized controlled trial of laparoscopic anterior versus posterior fundoplication for gastro-oesophageal reflux disease

ANZ JOURNAL OF SURGERY, Issue 7-8 2010
Mansoor Khan
Abstract Background:, The aim of the study was to compare the effect of laparoscopic anterior and posterior fundoplication on gastro-oesophageal reflux disease by means of a prospective randomized controlled trial. Methods:, One hundred and three patients were randomised to undergo either anterior (53) or posterior (50) fundoplication. Initial enrolment and subsequent clinical appointments were undertaken 1, 3, 6 and 12 months after the procedure using a standardized questionnaire. Ambulatory pH monitoring and manometry were undertaken both preoperatively and at approximately 3 months post-procedure. Results:, The mean operating time was similar in both groups (48 versus 52 min). Two operations in each group were converted to open surgery. Post-operative dysphagia in the first month was higher in the posterior fundoplication group compared with the anterior group (at 1 month, P= 0.002; and at 3 months, P= 0.014). The number of individuals suffering from post-operative heartburn was greater in the anterior fundoplication group (at 1 month, P= 0.008; at 3 months, P < 0.001; and at 6 months, P= 0.002). Eight individuals required reoperation in the anterior group and two individuals in the posterior group (P= 0.057). Conclusion:, Anterior and posterior fundoplication each have their advantages and disadvantages. There is an increased risk of early post-operative dysphagia after posterior fundoplication. Anterior fundoplication carries a greater risk of persistent or recurrent reflux. Overall, a posterior fundoplication produces a better management option for controlling gastro-oesophageal reflux disease when compared with an anterior fundoplication technique which utilizes unilateral fixation of the gastric fundus. [source]


Utility of esophageal biopsy in the diagnosis of nonerosive reflux disease

DISEASES OF THE ESOPHAGUS, Issue 3 2003
R. I. Narayani
SUMMARY This study evaluated the accuracy of esophageal biopsy for the diagnosis of nonerosive reflux disease (NERD) in adults. Thirty-five patients with reflux symptoms and a normal endoscopy were prospectively evaluated using esophageal biopsies, 24-h ambulatory pH monitoring and symptomatic response 4 weeks after an increase in antireflux therapy. Biopsies were scored for the total number of typical histologic reflux features seen. Patients were considered to have NERD if both pH-metry was positive and step-up therapy was successful. Biopsies were then compared to this predefined gold standard. Biopsy was most sensitive (62%) but poorly specific (27%) when one or more histologic reflux features were seen. A threshold of three or more histologic features improved the specificity (91%) but reduced sensitivity (31%). Response to step-up therapy was associated with 100% sensitivity and 100% negative predictive value when compared to biopsy and pH-metry as an alternate combined gold standard. In conclusion, biopsy is insensitive in diagnosing NERD but reasonably specific if three or more typical histologic reflux features are present. [source]


Non-cardiac chest pain: Prevalence of reflux disease and response to acid suppression in an Asian population

JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, Issue 2 2009
Hanizam Mohd
Abstract Background:, Gastroesophageal reflux disease is thought to be the commonest cause of ,non-cardiac chest pain'. The use of proton-pump inhibitors resulting in improvement in the chest pain symptom would support this causal association. Objectives:, To determine the prevalence of gastroesophageal reflux disease in non-cardiac chest pain and the response of chest pain to proton-pump inhibitor therapy. Methods:, Patients with recurrent angina-like chest pain and normal coronary angiogram were recruited. The frequency and severity of chest pain were recorded. All patients underwent esophagogastroduodenoscopy and 48-h Bravo ambulatory pH monitoring before receiving rabeprazole 20 mg bd for 2 weeks. Results:, The prevalence of gastroesophageal reflux disease was 66.7% (18/27). The improvement in chest pain score was significantly higher in reflux compared to non-reflux patients (P = 0.006). The proportion of patients with complete or marked/moderate improvement in chest pain symptoms were significantly higher in patients with reflux (15/18, 83.3%) compared to those without (1/9, 11.1%) (P < 0.001). Conclusion:, The prevalence of gastroesophageal reflux disease in patients with ,non-cardiac chest pain' was high. The response to treatment with proton-pump inhibitors in patients with reflux disease, but not in those without, underlined the critical role of acid reflux in a subset of patients with ,non-cardiac chest pain'. [source]


Endoscopic grading of gastroesophageal flap valve and atrophic gastritis is helpful to predict gastroesophageal reflux

JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, Issue 2 2008
Gwang Ha Kim
Abstract Background and Aim:, The endoscopic grading of the gastroesophageal flap valve (GEFV) has been suggested to be a good predictor of reflux status. Atrophic gastritis is inversely associated with reflux esophagitis. The aim of the present study was to investigate the association between GEFV, atrophic gastritis and gastroesophageal reflux. Methods:, A total of 608 patients (252 men and 356 women; mean age 51.1 years) who underwent endoscopy, esophageal manometry and ambulatory 24-h pH monitoring were included. GEFV was graded I through IV using Hill's classification: the GEFV was largely classified into two groups: the normal GEFV group (grades I and II) and the abnormal GEFV group (grades III and IV). Atrophic gastritis was classified into two groups by endoscopic atrophic border: closed-type (C-type) and open-type (O-type). Findings of endoscopy, esophageal manometry and ambulatory pH monitoring were compared among the groups. Results:, The incidence of reflux esophagitis and gastroesophageal reflux disease was associated with an abnormal GEFV grade and was inversely associated with open-type atrophic gastritis. The patients with a coexisting abnormal GEFV and closed-type atrophic gastritis showed a significantly higher incidence of reflux esophagitis and gastroesophageal reflux disease than the patients with a coexisting normal GEFV and open-type atrophic gastritis (OR, 20.6 [95% CI, 6.2,68.4], 11.4 [95% CI, 6.3,20.7], respectively). Conclusions:, Endoscopic grading of GEFV and atrophic gastritis is simple and provides useful information on the status of gastroesophageal reflux. [source]