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MINERVA GASTROENTEROLOGICA E DIETOLOGICA
A Journal on Gastroenterology, Nutrition and Dietetics
Indexed/Abstracted in: CAB, EMBASE, PubMed/MEDLINE, Scopus, Emerging Sources Citation Index
Minerva Gastroenterologica e Dietologica 2013 March;59(1):97-105
Perendoscopic real-time assessment of pH improves detection of gastric preneoplastic conditions
Pezzicoli G. 1, Tucci F. A. 1, Ummarino A. 1, Tucci P. 2, Di Virgilio A. P. 1, Bisceglia M. 1, 3, Rugge M. 4, Tucci A. 1, 5, Andriulli A. 5 ✉
1 Etromapmax Pole, Biomedical Sciences School, Lesina, Foggia, Italy;
2 Department of Electronics, Computer Engineering and Systems, University of Bologna, Bologna, Italy;
3 Division of Pathology, Casa Sollievo della Sofferenza Hospital, IRCCS, San Giovanni Rotondo, Foggia, Italy;
4 Department of Oncological and Surgical Sciences, University of Padua, Padua, Italy;
5 Division of Gastroenterology, Casa Sollievo della Sofferenza Hospital, IRCCS San Giovanni Rotondo, Foggia, Italy
Aim: Gastric juice may constitute a precious source of clinicopathological information. We assessed the usefulness of real-time, perendoscopic, gastric juice pH determination in identifying preneoplastic conditions of the stomach, that often escape the mere endoscopic evaluation.
Methods: The study included 245 patients (115M; 130F; age 47±17). In each of them perendoscopic gastric juice pH was assessed by means of an innovative device, the Endofaster, and the results were correlated with histological evaluation (H&E, immunohistochemistry, argyrophil stains), and gastric acid secretion (BAO-PAO), and serum gastrin levels. The conditions evaluated were: atrophy, intestinal metaplasia, endocrine cell hyperplasia, hypergastrinemia.
Results: A total of 136 pathological conditions were detected and these resulted to be correlated with pH (r=0.67; P<0.01). The rate of pathological conditions was low in normochlorhydric patients (14.1%); most of these conditions were concentrated in patients with hypochlorhydria (85.9%) (P<0.001). Specifically, the number of patients with one or more pathological conditions increased proportionately with the rise in pH levels. An inverse correlation was detected between gastric juice pH and basal acid output (BAO) (r=-0.72; P<0.01). Endoscopic feature was normal/mild in most of patients with pathological conditions.
Conclusion: Hypochlorhydria is a sensitive indicator of gastric risk conditions. Perendoscopic real-time assessment of pH can improve and extend optical analysis by allowing the detection of pathological conditions (either preneoplastic or not) that often escape diagnosis because not correlated with specific endoscopic pattern.