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Zullo A, Germanà B, Galliani E, Iori A, de Pretis G, Manfredi G, Buscarini E, Ciuffi M, Ignomirelli O, Farinati F, Savarino E, Pallini P, Milan L, Conigliaro R, Grande G, Cannizzaro R, Maiero S, Pisani A, Marangi S, Manta R, Morelli O, Peralta S, La Mantia A, Buonocore MR, Khalaf K, Hassan C, Monica F. Real-time determination of gastric juice pH with EndoFaster® for atrophic gastritis assessment. Dig Liver Dis 2022; 54:1646-1648. [PMID: 35794064 DOI: 10.1016/j.dld.2022.06.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND In patients with atrophic gastritis involving gastric body mucosa the pH value of gastric juice is distinctly increased, so that pH assessment would allow predict this precancerous lesion. We tested whether EndoFaster® - a device allowing real-time pH measure and H. pylori diagnosis - may optimize the need of taking gastric biopsies. METHODS In this prospective, multicentre study, the accuracy of EndoFaster® for ruling out gastric atrophy involving corporal mucosa was assessed. Real-time pH and ammonium determination was performed by aspirating 3-6 ml gastric juice during endoscopy. Histology performed on 5 standard gastric biopsies was used as gold standard. RESULTS A total of 1008 consecutive patients were observed in 12 centres. At histology, gastric body mucosa atrophy/metaplasia was detected in 65 (6.4%) cases, and a pH value >4.5 in the gastric juice was observed in 150 patients. The values of EndoFaster® performance in predicting the presence of atrophic gastritis were as follow: 51% sensitivity, 84% specificity, 18% PPV, 96% NPV, and 82% accuracy. The NPV value was not distinctly affected by neither ongoing proton pump inhibitor therapy nor H. pylori infection. By considering also data of ammonium concentrations, the values of EndoFaster® in detecting extensive atrophy on gastric mucosa were 74% sensitivity, 84% specificity, 24% PPV, 98% NPV, and 83% accuracy. CONCLUSION The very high NPV of EndoFaster® might allow to safely rule out presence of atrophic gastritis, reducing the need of taking gastric biopsies in unselected patients managed in clinical practice.
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Affiliation(s)
- Angelo Zullo
- Gastroenterology Unit, Gastroenterologia ed Endoscopia Digestiva, 'Nuovo Regina Margherita' Hospital, Via Emilio Morosini, 30, Rome 00153 , Italy.
| | - Bastianello Germanà
- Gastroenterology and Digestive Endoscopy Unit, 'San Martino' Hospital, Belluno, Italy
| | - Ermenegildo Galliani
- Gastroenterology and Digestive Endoscopy Unit, 'San Martino' Hospital, Belluno, Italy
| | - Andrea Iori
- Gastroenterology and Digestive Endoscopy Unit, Santa Chiara' Hospital, Trento, Italy
| | - Giovanni de Pretis
- Gastroenterology and Digestive Endoscopy Unit, Santa Chiara' Hospital, Trento, Italy
| | - Guido Manfredi
- Gastroenterology and Digestive Endoscopy Unit, 'Maggiore' Hospital, Crema, Italy
| | - Elisabetta Buscarini
- Gastroenterology and Digestive Endoscopy Unit, 'Maggiore' Hospital, Crema, Italy
| | - Mario Ciuffi
- Endoscopy Unit, IRCCS CROB, Rionero in Vulture, Italy
| | | | - Fabio Farinati
- Gastroenterology Unit, University of Padua, Padua, Italy
| | | | - Paolo Pallini
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza, Italy
| | - Luisa Milan
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza, Italy
| | - Rita Conigliaro
- Gastroenterology Unit, 'Ospedale Civile Baggiovara', Modena, Italy
| | - Giuseppe Grande
- Gastroenterology Unit, 'Ospedale Civile Baggiovara', Modena, Italy
| | | | - Stefania Maiero
- Experimental Oncological Gastroenterology Unit, CRO, Aviano, Italy
| | - Antonio Pisani
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte, Italy
| | - Stefania Marangi
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte, Italy
| | - Raffaele Manta
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia, Italy
| | - Olivia Morelli
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia, Italy
| | - Sergio Peralta
- Gastroenterology Unit, 'AOU Policlinico', Palermo, Italy
| | | | | | - Kareem Khalaf
- Division of Gastroenterology and Digestive Endoscopy, Humanitas Research Hospital - IRCCS, Milan, Italy
| | - Cesare Hassan
- Division of Gastroenterology and Digestive Endoscopy, Humanitas Research Hospital - IRCCS, Milan, Italy
| | - Fabio Monica
- Gastroenterology and Digestive Endoscopy, 'Cattinara' Academic Hospital, Trieste, Italy
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Zullo A, Germanà B, Galliani E, Iori A, de Pretis G, Manfredi G, Buscarini E, Ciuffi M, Ignomirelli O, Farinati F, Savarino E, Pallini P, Milan L, Conigliaro R, Grande G, Cannizzaro R, Maiero S, Pisani A, Marangi S, Manta R, Morelli O, Peralta S, Mantia AL, Rossano Buonocore M, Monica F. Real-time gastric juice analysis with EndoFaster for H. pylori diagnosis: a large, multicentre study. Eur J Gastroenterol Hepatol 2022; 34:1121-1124. [PMID: 36170680 DOI: 10.1097/meg.0000000000002429] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Helicobacter pylori infection is the main cause of the most frequent gastroduodenal diseases. Because its prevalence is decreasing in developed countries, gastric biopsies are negative in several patients. By measuring ammonium in the gastric juice, EndoFaster allows to exclude H. pylori infection during endoscopy. This study aimed to assess the accuracy of device versions working with either 6 ml or 3 ml of gastric juice. STUDY DESIGN This prospective study involved 12 endoscopic units. During endoscopy, EndoFaster testing was performed and standard five gastric biopsies were taken. The accuracy was calculated by considering histological assessment as the gold standard for H. pylori diagnosis. RESULTS Gastric juice analysis was attempted in 1279 patients, but it failed in 131 (15.5%) and in 10 (2.3%), with the 6 ml and the 3 ml device, respectively (P < 0.001). Overall, EndoFaster detected H. pylori infection with an 86.3% sensitivity, 83.3% specificity, 52.7% positive predictive value, 96.6% negative predictive value and 83.8% accuracy. The performance was not affected either by ongoing proton pump inhibitor therapy or a previous H. pylori eradication. No significant difference in accuracy emerged between the two versions of the device. CONCLUSION The novel version of the EndoFaster device operating with 3 ml gastric juice may be performed in virtually all patients, and it allows excluding H. pylori infection with a very high accuracy. Gastric biopsies can be avoided in a definite portion of cases without endoscopic lesions or other clinical indications.
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Affiliation(s)
- Angelo Zullo
- Gastroenterology Unit, 'Nuovo Regina Margherita' Hospital, Rome
| | - Bastianello Germanà
- Gastroenterology and Digestive Endoscopy Unit, 'San Martino' Hospital, Belluno
| | | | - Andrea Iori
- Gastroenterology and Digestive Endoscopy Unit,' Santa Chiara' Hospital, Trento
| | - Giovanni de Pretis
- Gastroenterology and Digestive Endoscopy Unit,' Santa Chiara' Hospital, Trento
| | - Guido Manfredi
- Gastroenterology and Digestive Endoscopy Unit, 'Maggiore' Hospital, Crema
| | | | | | | | | | | | - Paolo Pallini
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza
| | - Luisa Milan
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza
| | | | | | | | | | - Antonio Pisani
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte
| | - Stefania Marangi
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte
| | - Raffaele Manta
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia
| | - Olivia Morelli
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia
| | | | | | | | - Fabio Monica
- Gastroenterology and Digestive Endoscopy, 'Cattinara' Academic Hospital, Trieste, Italy
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Macedo C, Almeida N. Endoscopy in Extraesophageal Manifestations Secondary to Gastroesophageal Reflux Disease: Why Do We Insist? GE PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2020; 27:302-303. [PMID: 32999901 PMCID: PMC7506237 DOI: 10.1159/000507637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Affiliation(s)
- Cláudia Macedo
- Department of Gastroenterology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Nuno Almeida
- Department of Gastroenterology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal
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