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Olmos JA, Pandolfino JE, Piskorz MM, Zamora N, Valdovinos Díaz MA, Remes Troche JM, Guzmán M, Hani A, Valdovinos García LR, Pitanga Lukashok H, Domingues G, Vesco E, Rivas MM, Ovalle LFP, Cisternas D, Vela MF. Latin American consensus on diagnosis of gastroesophageal reflux disease. Neurogastroenterol Motil 2024; 36:e14735. [PMID: 38225792 DOI: 10.1111/nmo.14735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Diagnosing gastroesophageal reflux disease (GERD) can be challenging given varying symptom presentations, and complex multifactorial pathophysiology. The gold standard for GERD diagnosis is esophageal acid exposure time (AET) measured by pH-metry. A variety of additional diagnostic tools are available. The goal of this consensus was to assess the individual merits of GERD diagnostic tools based on current evidence, and provide consensus recommendations following discussion and voting by experts. METHODS This consensus was developed by 15 experts from nine countries, based on a systematic search of the literature, using GRADE (grading of recommendations, assessment, development and evaluation) methodology to assess the quality and strength of the evidence, and provide recommendations regarding the diagnostic utility of different GERD diagnosis tools, using AET as the reference standard. KEY RESULTS A proton pump inhibitor (PPI) trial is appropriate for patients with heartburn and no alarm symptoms, but nor for patients with regurgitation, chest pain, or extraesophageal presentations. Severe erosive esophagitis and abnormal reflux monitoring off PPI are clearly indicative of GERD. Esophagram, esophageal biopsies, laryngoscopy, and pharyngeal pH monitoring are not recommended to diagnose GERD. Patients with PPI-refractory symptoms and normal endoscopy require reflux monitoring by pH or pH-impedance to confirm or exclude GERD, and identify treatment failure mechanisms. GERD confounders need to be considered in some patients, pH-impedance can identify supragrastric belching, impedance-manometry can diagnose rumination. CONCLUSIONS Erosive esophagitis on endoscopy and abnormal pH or pH-impedance monitoring are the most appropriate methods to establish a diagnosis of GERD. Other tools may add useful complementary information.
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Affiliation(s)
- Jorge A Olmos
- Neurogastroenterology Sector, Hospital de Clinicas Jose de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - John E Pandolfino
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - María M Piskorz
- Neurogastroenterology Sector, Hospital de Clinicas Jose de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Miguel A Valdovinos Díaz
- UNAM, Ciudad de Mexico, Mexico
- Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - José M Remes Troche
- Institute of Medical Biological Research, Universidad Veracruzana, Veracruz, Mexico
| | - Mauricio Guzmán
- Neurogastroenterology Unit, Gastroenterology Service, Hospital San Martín de La Plata, Buenos Aires, Argentina
| | - Albis Hani
- Hospital San Ignacio-Pontificia Universidad Javeriana, Bogotá, Colombia
| | | | - Hannah Pitanga Lukashok
- Digestive Motility Service, Instituto Ecuatoriano de Enfermedades Digestivas-IECED, Guayaquil, Ecuador
| | | | - Eduardo Vesco
- Neuromotility Unit, Clínica Angloamericana, Lima, Peru
- Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Mariel Mejia Rivas
- Internal Medicine, Gastroenterology and Digestive Endoscopy Service, Hospital Vivian Pellas, Managua, Nicaragua
| | - Luis F Pineda Ovalle
- Neurogastroenterology and Motility Service Motility Instituto Gut Médica, Bogotá, Colombia
| | - Daniel Cisternas
- Clínica Alemana de Santiago, School of Medicine, Universidad del Desarrollo, Clínica Alemana, Vitacura, Chile
| | - Marcelo F Vela
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA
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Olmos JI, Piskorz MM, Litwin N, Schaab S, Tevez A, Bravo-Velez G, Uehara T, Hashimoto H, Rey E, Sorda JA, Olmos JA. Exocrine Pancreatic Insufficiency is Undiagnosed in Some Patients with Diarrhea-Predominant Irritable Bowel Syndrome Using the Rome IV Criteria. Dig Dis Sci 2022; 67:5666-5675. [PMID: 35704255 DOI: 10.1007/s10620-022-07568-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 02/21/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND AND AIMS Irritable bowel syndrome (IBS) is one of the most frequent disorders in clinical practice, with a mean 7.6-10.8% worldwide prevalence. A study showed that 6.1% of patients with diarrhea-predominant IBS (IBS-D) had severe exocrine pancreatic insufficiency (EPI). We aimed to identify the prevalence of EPI based on fecal elastase stool testing (Fel-1) in IBS-D and the clinical characteristics that may predict the diagnosis of EPI. METHODS Patients aged > 18 years presenting to tertiary hospital outpatient clinics with IBS-D completed validated questionnaires and gave a stool sample where Fel-1 concentration was measured. Patients with Fel-1 < 100 µg/g represented EPI and > 100 to < 200 µg/g underwent testing for pancreatic pathology with laboratory and endoscopic ultrasound (EUS) evaluation. RESULTS One hundred forty patients (mean age 60 years, females 75.7%) were studied. EPI was found in 5% (95% CI 2.2-10.4), and pancreatic steatosis was the main EUS finding (71%). Dyspepsia was an independent factor associated with EPI (OR 34.7; 95% CI 4.95-366.37, p = 0.0007). After pancreatic enzyme replacement therapy (PERT), patients showed a significant improvement in the Bristol stool scale (p < 0.0001), bowel movements per day (p < 0.005), distension score (0.0009), pain score (0.0277) and IBS severity (0.0034). CONCLUSION EPI is present in 5% of patients who fulfill Rome IV criteria for D-IBS, and dyspepsia was an independent symptom strongly associated with EPI. Pancreatic steatosis was the main endoscopic ultrasound finding. After PERT therapy, patients had significantly improved stool frequency, stool consistency, abdominal pain, distension and IBS severity score.
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Affiliation(s)
- Juan I Olmos
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina.
| | - María M Piskorz
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Nestor Litwin
- Gastroenterology Biochemical Laboratory (Litwin-Laboratorio Bioquímico en Gastroenterología), Buenos Aires, Argentina
| | - Sara Schaab
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Adriana Tevez
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Gladys Bravo-Velez
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Tatiana Uehara
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Harumi Hashimoto
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Enzo Rey
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Juan A Sorda
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
| | - Jorge A Olmos
- Department of Gastroenterology, Hospital de Clínicas "General José de San Martín" Universidad de Buenos Aires, Av. Córdoba 2351, C1120, Buenos Aires, Argentina
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Piskorz MM, Wonaga A, Bortot L, Linares ME, Araya V, Olmos JI, Gardey M, Perretta C, Olmos JA. Impact of a Virtual Endoscopy Training Curriculum in Novice Endoscopists: First Experience in Argentina. Dig Dis Sci 2020; 65:3072-3078. [PMID: 32909122 DOI: 10.1007/s10620-020-06532-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 07/31/2020] [Indexed: 01/06/2023]
Abstract
BACKGROUND Virtual reality simulation in gastrointestinal endoscopy is an educational tool that allows repetitive instruction in a non-patient care environment. AIM To determine the impact of a virtual endoscopy training curriculum applying an objective pre- and post-training analysis on trainee endoscopists. METHODS A before-after training study was carried out. Subjects were first year fellows of gastroenterology, who completed a questionnaire and then performed two pre-training simulated cases. The virtual endoscopy training curriculum consisted of an 8-h workday utilizing two GI MENTOR™ in a specialized clinical simulation center. After the training, all subjects completed the same two cases they did in the pre-training. Pre- and post-training results' comparisons were made by paired t test. RESULTS Totally, 126 subjects were included (mean age 30 years, 61% female). A significant improvement from pre- to post-training was observed in psychomotor skills (total time, percentage, and number of balloons exploded) and endoscopic skills (cecal intubation time, percentage of examined mucosa, and efficacy of screening). There was also an improvement in the quality of the endoscopic study; percentage of examined mucosa over 85% showed a significant improvement post-training with an adjusted OR of 2.72 (95% CI 1.51-4.89, p = 0.001). CONCLUSIONS Virtual endoscopy training curriculum produces a significant improvement in the trainee endoscopists performance and their psychomotor skills and introduces the concept of a quality endoscopic study in a non-patient, risk-free environment.
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Affiliation(s)
- María Marta Piskorz
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina.,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Andrés Wonaga
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina. .,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina.
| | - Lorena Bortot
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina.,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - María Eugenia Linares
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina.,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Valentina Araya
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina
| | - Juan Ignacio Olmos
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina.,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mónica Gardey
- Secretaria de Asuntos Académicos, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Claudio Perretta
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina
| | - Jorge A Olmos
- Simulación médica Roemmers (SIMMER), Fray Justo Sarmiento 2350, Buenos Aires, Argentina.,Hospital de Clínicas José de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
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Olmos JA, Piskorz MM, Vela MF. [Gastroesophageal Reflux Disease Review (GERD)]. Acta Gastroenterol Latinoam 2016; 46:160-172. [PMID: 28704024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
GERD is a highly prevalent disease in our country. It has a deep impact in patient´s quality of life, representing extremely high costs regarding health. The correct understanding of its pathophysiology is crucial for the rational use of diagnoses methods and the implementation of appropriate treatment adjusted to each individual case. In this review we evaluate this disorder based on the best available evidence, focusing in pathophysiological mechanisms, its epidemiology, modern diagnosis methods and current management standards.
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Olmos JA. [Systematic review: Epidemiology of gastroesophageal reflux disease in Latin America]. Acta Gastroenterol Latinoam 2011; 41:7-8. [PMID: 21539061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Olmos JA, Pogorelsky V, Tobal F, Marcolongo M, Salis G, Higa R, Chiocca JC. Uninvestigated dyspepsia in Latin America: a population-based study. Dig Dis Sci 2006; 51:1922-9. [PMID: 17024573 DOI: 10.1007/s10620-006-9241-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2005] [Accepted: 01/30/2006] [Indexed: 12/09/2022]
Abstract
We sought to assess the prevalence, severity of symptoms, and risk factors of uninvestigated dyspepsia in a population-based study in Argentina. Eight hundred thirty-nine valid questionnaires were evaluated. Dyspepsia was present in 367 subjects (43.2%; 95% confidence interval [CI], 39.8-46.6); 110 (13.6%) had overlap with gastroesophageal reflux disease (GERD). The group with dyspepsia without GERD consisted of 257 subjects (29.6%; 95% CI, 26.5-32.7), 183 (71.1%) had ulcer-like dyspepsia, and 74 (28.9%) had dysmotility-like dyspepsia. Symptoms were considered very severe in 1.9%, severe in 14.0%, moderate in 59.5%, and mild in 24.5% of the subjects. Dyspepsia was associated with a score >14 on the psychosomatic symptom scale (PSC) (OR, 2.52; 95% CI, 1.75-3.61), a family history of diseases of the esophagus or stomach (OR, 1.73; 95% CI, 1.19-2.52) and an educational level >12 years (OR, 1.55; 95% CI, 1.05-2.29). Dyspepsia is especially prevalent in Argentina. In a significant proportion of dyspeptic subjects, the severity of symptoms interferes with daily activities. A higher PSC, positive family history, and a higher educational level are risk factors for dyspepsia.
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Affiliation(s)
- Jorge A Olmos
- Hospital Italiano de Buenos Aires, Arenales 3569 3rd floor, dpt B., 1425 Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina.
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Chiocca JC, Olmos JA, Salis GB, Soifer LO, Higa R, Marcolongo M. Prevalence, clinical spectrum and atypical symptoms of gastro-oesophageal reflux in Argentina: a nationwide population-based study. Aliment Pharmacol Ther 2005; 22:331-42. [PMID: 16098000 DOI: 10.1111/j.1365-2036.2005.02565.x] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Population-based data on gastro-oesophageal reflux in Latin America are lacking. AIM To assess gastro-oesophageal reflux symptom prevalence, clinical spectrum and association with the atypical symptoms in our country. METHODS Gastro-oesophageal reflux self-report questionnaires validated at Mayo Clinic, USA, were submitted to a sample of 1000 residents (aged 18-80 years) from 17 representative geographical areas of Argentina. The samples were selected and stratified according to age, gender, geographical areas and size of town of residence provided by the Argentine Bureau of Statistics and Census. RESULTS The overall prevalence of any typical gastro-oesophageal reflux symptom experienced in the previous year was 61.2% (95% CI, 57.9-64.6), the prevalence of frequent gastro-oesophageal reflux symptoms was 23.0% (95% CI, 20.1-25.9) and the prevalence of gastro-oesophageal reflux disease was 11.9% (95% CI, 9.6-14.1). Frequent gastro-oesophageal reflux symptoms were associated with dysphagia (OR 2.12, 95% CI, 1.27-3.54, P < 0.01), globus (OR 2.22, 95% CI, 1.35-3.66, P < 0.01) and non-cardiac chest pain (OR 1.55, 95% CI, 1.04-2.31, P < 0.05). CONCLUSIONS In Argentina, typical symptoms of gastro-oesophageal reflux are highly prevalent at the national level, and frequent gastro-oesophageal reflux symptoms are significantly associated with dysphagia, globus and non-cardiac chest pain.
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Affiliation(s)
- J C Chiocca
- Department of Gastroenterology, Hospital Nacional Prof. Dr Alejandro Posadas, El Palomar, Buenos Aires, Argentina.
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Olmos JA, Rosa Diez G, Higa R, Algranati S, Ríos H, De Paula JA, Dos Ramos Farías E, Dávolos J. [Helicobacter pylori seroprevalence in dialysis patients]. Acta Gastroenterol Latinoam 2003; 33:139-44. [PMID: 14708462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
AIM (a) to establish Hp infection seroprevalence among patients under chronic dialysis and to compare it with that of general population, (b) to assess the relationship between Hp prevalence and parameters associated with a higher morbidity, such as serum albumin levels, dialysis adequacy, and quality of life in this population. METHODS Ninety-three consecutive patients of both genders (58 M/35 F), X 57.5 +/- 17.2 years old, with end-stage chronic renal failure on maintenance dialysis were included. All of them received dialysis at Hospital Italiano, Buenos Aires. The presence of anti-Hp antibodies was established and its prevalence was compared with a control group. In all cases, serum albumin levels and time in dialysis were determined. In addition, dialysis adequacy was established by KT/V and quality of life was measured with Karnofsky's index. Patients and controls were matched according variables associated with Hp infection in our country, i.e., age, socioeconomic and education levels. RESULTS Ninety-three dialysis patients were matched with 93 controls. According to the quick serological test, 44 out of 93 (47.3%) dialyzed patients and 55 out of 93 (53.6%) controls were Hp positive (ns). Forty-one out of 76 patients (53.9%) with a serum albumin level 3.5 g/dl and 3/17 (17.6%) with a serum albumin level < 3.5 g/dl were anti-Hp positive (odds ratio, 0.06; 95% CI, 0.01-0.39; p < 0.01). Fifty-five out of 80 patients (69.2%) with Kt/V > 1.2 and 6/13 (43.8%) with Kt/V 1.2 Pounds were anti-Hp positive (odds ratio, 0.10; 95% CI, 0.02-0.65; p < 0.05). Four out of 15 patients (26.7%) with Karnofsky's index > 70, and 40/78 (51.3%) with Karnofsky's index < or = 70 were anti-Hp positive (odds ratio, 0.37; 95% CI, 0.06-2.95, p = 0.26). CONCLUSION According to our results, dialysis patients do no represent a high-risk group of Hp infection. Those individuals with higher morbidity and mortality rates as evidenced by low serum albumin levels or by a low Kt/V have a lower Hp prevalence, perhaps due to a poor immune response o due to the use of antibiotics. Therefore, Hp infection screening en dialysis units does not differ from the guidelines developed in Maastrich for the general population.
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Affiliation(s)
- J A Olmos
- Servicios de Gastroenterología y Nefrología, Hospital Italiano, Buenos Aires, Argentina.
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Olmos JA, Ríos H, Higa R. Prevalence of Helicobacter pylori infection in Argentina: results of a nationwide epidemiologic study. Argentinean Hp Epidemiologic Study Group. J Clin Gastroenterol 2000; 31:33-7. [PMID: 10914773 DOI: 10.1097/00004836-200007000-00008] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Our aim was to assess the prevalence of Helicobacter pylori (Hp) infection in Argentina, in the general population and by age groups, and to determine the value of various epidemiologic variables as predictors of Hp infection. The study comprised 754 subjects (443 women 158.7%], 311 men [41.3%]) from both genders, consecutively recruited from health centers where patients were undergoing routine medical analyses. Average age was 32 +/- 22 years. The pediatric group included subjects < or =18 years of age (n = 261). Stratification was based primarily on climatic factors and secondarily on sanitary and demographic considerations. Hp infection status was assessed through a quick serologic test. The overall Hp infection prevalence in Argentina was 35.7 +/- 3.8%. The age was statistically significant using a multiple regression test (p < 0.01). Furthermore, the socioeconomic (p < 0.05) and educational level (0 < 0.01) in the adults and the water sources (p < 0.01) in the pediatric group were all statistically significant according the multiple regression test. The overall Hp infection prevalence in Argentina was 35.7 +/- 3.8%. Age was a predictor of Hp infection status. There is evidence of low infection prevalence in children. a higher prevalence in adolescents, and a more noticeable increase at 40 years of age. Furthermore, the socioeconomic and educational level in adults and the water sources in the pediatric group explained, in part, the occurrence of Hp infection.
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Affiliation(s)
- J A Olmos
- Servicio de Gastroenterología del Hospital Italiano, Buenos Aires, Argentina
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Olmos JA. [Toxic effects of isoniazid on the nervous system]. Rev Fac Cienc Med Cordoba 1967; 25:61-66. [PMID: 5601528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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