Results: A total of 66 achalasia patients (29 male, age 38.2 ± 14.4 yr, symptom onset time 5.4 ± 6.6 yr) were enrolled, with 100% of them having dysphagia, 34.8% regurgitation, 22.7% heartburn and 16.7% weight loss. According to HRM results and Chicago classification criteria, 10 patients were classified Bafilomycin A1 as type I, 42 as type
II, 4 as type III and 3 as EGJ outflow obstruction. Based on results of ten 5 mL NS swallows in the supine position, the average IRP was 36.2 ± 13.2 mmHg, LESP 44.2 ± 18.8 mmHg, and LES residual pressure 31.4 ± 12.3 mmHg. There was positive correlation between NS swallow and viscous swallow in value of average IRP (Pearson 0.904, P = 0.000), but without significant mean difference (P = 0.328). IRP derived from NS swallow in supine position was significantly higher than that in upright position (P = 0.002). Patients’ average maximum esophageal diameter was 36.0 ± 9.3 mm under esophagography, with 5 patients having “sigmoid like” esophagus. Selleckchem Napabucasin There was no significant correlation between IRP and esophageal diameter (P = 0.569),
neither between IRP and MDQ, IDQ or SF-36 scores. But IRP was positively correlated with Eckardt score and negatively with MDADI_physical score (both P < 0.05). Conclusion: This study showed type II was more common in untreated Chinese achalasia patients; IRP was positively correlated with symptom severity, and negatively with quality of life. IRP in upright position was lower than that in supine position. Esophageal distention was not correlated with IRP. HRM was a useful tool for diagnosis and evaluation of achalasia patients. Key Word(s): 1. achalasia; 2. HRM; 3. esophagography; 4. questionnaire; Presenting Author: CHRISTOPHERTZE WEI CHIA Additional Authors: CHARLESKIEN 上海皓元医药股份有限公司 FONG VU Corresponding Author: CHRISTOPHERTZE WEI CHIA Affiliations: Tan Tock Seng Hospital Objective: There are growing concerns that the use of proton pump inhibitors(PPI) may be inappropriate in many instances and
do not conform to evidence based indications. The purpose of this point prevalence study was to investigate the frequency, indications and appropriateness of PPI use in hospitalized patients on a randomly chosen day. Methods: The total number of in-patients on a randomly chosen day was documented. The number of in-patients on any form of PPI on the same day was determined. The indications for maintaining the patients on PPI were obtained from the electronic medical records. The list of accepted indications for PPI use was adapted from the Food and Drug Administration (FDA) approved list and these were cross-referenced with the indications documented from the medical records. Results: A total number of 1025 in-patients were studied. 477 (46.5%) were using PPI, of which 219(45.9%) fulfilled FDA approved indications. The remaining 258(54.1%) did not fulfill FDA approved indications. 208(43.2%) were not indicated based strictly on the FDA criteria and 52 (10.
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