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Indexed/Abstracted in: CAB, EMBASE, PubMed/MEDLINE, Scopus, Emerging Sources Citation Index
Ummarino A. 1, Tucci F. A. 1, Pezzicoli G. 1, Di Virgilio A. P. 1, Parigino D. 1, Tucci P. 2, Bisceglia M. 1, Rugge M. 3, Tucci A. 1, Andriulli A. 4
1 Etromapmacs Pole, Biomedical Sciences School, Lesina, Foggia, Italy;
2 Department of Electronics, Computer Engineering and Systems, University of Bologna, Bologna, Italy;
3 Department of Pathology, University of Padua, Padua, Italy;
4 Division of Gastroenterology, Casa Sollievo Sofferenza Hospital, IRCCS San Giovanni Rotondo, Foggia, Italy
AIM: Esophagogastroduodenoscopy (EGDS) cannot identify microscopic lesions. We determined the contribution of real-time gastric juice analysis in detecting lesions non-detectable with the simple endoscopic inspection.
METHODS: Endoscopy, histology and gastric juice analysis were performed in 216 patients. We assessed six diagnostic strategies: EGDS (strategy-1), EGDS with antral biopsies (hematoxylin-eosin staining) in hypochlorhydrics (strategy-2) or all patients (strategy-3), EGDS with antral and fundic biopsies (hematoxylin-eosin staining) in hypochlorhydrics (strategy-4) or all patients (strategy-5), EGDS with antral and fundic biopsies (hematoxylin-eosin + immunohistochemical staining) in hypochlorhydrics (strategy-6). Then, we determined how many of the pathological conditions identified by the complete histological evaluation would have been detected by each strategy.
RESULTS: In total, 220 pathological conditions were identified. Hypochlorhydria was correlated (r=0.67; P<0.01) with histological lesions (85% lesions were detected in hypochlorhydrics) and high ammonium levels, with H.pylori infection (r=0.69; P<0.01). Strategy-1 identified only 5% conditions, while strategies 3 and 5 detected 68.6% and 83.2% conditions, respectively. Strategies 2, 4 and 6 (based on gastric juice analysis) yielded detection rates (61.4%, 75.5%, 90.9%) similar to or better than those of strategies 3 and 5.
CONCLUSION: Real-time gastric juice analysis provided information about the presence of gastric lesions in an otherwise “normal” stomach at EGDS. It improved the diagnostic yield and optimized resource utilization without any additional effort by the endoscopist.