<i>Helicobacter pylori</i> Infection in Children in Estonia: Decreasing Seroprevalence During the 11‐Year Period of Profound Socioeconomic Changes

Oona, Marje; Utt, Meeme; Nilsson, Ingrid; Uibo, Oivi; Vorobjova, Tamara; Maaroos, Heidi‐Ingrid

doi:10.1111/j.1083-4389.2004.00229.x

Cited by 47 publications

(57 citation statements)

References 44 publications

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“…The seroprevalence of H. pylori was significantly decreased from 41.7% in 2001 to 23.5% in 2011. Decrease in the prevalence of H. pylori infection in children was also shown in Estonia [24] and Russia [25]. It has been explained by improving socio-economic conditions and standards of living together.…”

Section: Discussionmentioning

confidence: 87%

Prevalence and Risk Factors of Helicobacter pylori Infection in Muong Children in Vietnam

Nguyen¹

2017

Ann Clin Lab Res

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Aim: H. pylori infection is predominantly acquired in early childhood. The aim of the present study was to determine the prevalence of H. pylori infection and to identify factors associated with the infection in Muong children living in Vietnam. Materials and methods:In a cross-sectional study 918 asymptomatic individuals of all generations living together in the same home were selected from 219 households, based on cluster sampling of residential location in Hoabinh Province, Vietnam. H. pylori infection status was determined by serology test on samples obtained at each visit. A questionnaire was filled out at the start of the study. H. pylori serology data were analyzed using χ 2 test and logistic regression models. Results Conclusion:The first community-based study in Muong population showed familial clustering in multi-generation population and supported the hypothesis of person-toperson transmission in H. pylori infection

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Section: Discussionmentioning

confidence: 87%

Prevalence and Risk Factors of Helicobacter pylori Infection in Muong Children in Vietnam

Nguyen¹

2017

Ann Clin Lab Res

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“…In developing countries there is already increasing evidence of decrease in prevalence of infection and its consequences. In Estonia, adjusted seroprevalence of infection among hospitalized children decreased from 42.2% to 28.1% in 1991 to 2002, with a more intense decrease in the group aged less than 5 years (13) . In the Philippines, from 1996 to 2002 there was a reduction of duodenal ulcer prevalence from 15.83% to 7.02% in adults, from 20.05% to 14.7% for gastric ulcer among patients with endoscopy while, among patients with peptic ulcer the proportion of infected patients decreased from 71.9% to 34.6% (20) .…”

Section: Discussionmentioning

confidence: 98%

“…However, reduction in infection prevalence in children less than 6 years old constitutes a strong evidence of the current change in the epidemiology among us. Recently, ROWLAND et al (18) evaluated prospectively the incidence of H pylori infection during 4 consecutive years using the 13 C-urea breath test in 227 Irish children aged 2 to 4 years. The authors observed that infection rate for 100 individuals/year was higher between 2 and 3 years (5.05; CI 95%: 1.64-11.78); 47/48 infected children acquired the infection before the age of 5 years and only one, after the age of 5.…”

Section: Discussionmentioning

confidence: 99%

“…In developed countries, the past high prevalence of the infection was surpassed by improvement in environmental conditions, since its prevalence is closely related to socioeconomic factors. Some recent studies suggest that infection incidence in high-risk groups in developed countries, particularly immigrants, is declining, similarly to developing countries, as a consequence of better access to health, unintentional use of medications (antibiotics and antisecretory drugs) and improvement in environmental conditions (13,17,20) . In our country, documented improvement of infantile mortality and increase in life expectancy occurred in the last decades, attributed to improvement in basic sanitation and access to the public health system (10) .…”

Section: Introductionmentioning

confidence: 99%

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Decrease in prevalence of Helicobacter pylori infection during a 10-year period in Brazilian children

Kawakami

Machado

Ogata

et al. 2008

Arq. Gastroenterol.

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-Background -Decreasing prevalence of H pylori infection has been reported in some countries. Aim -To evaluate the prevalence of Helicobacter pylori infection in a 10-year period in children submitted to upper digestive endoscopy. Methods -It was a retrospective observational study. The records of 1,165 endoscopies performed during a 10-year period in a public hospital of the City of São Paulo, SP, Brazil, in patients up to 18-year-old. Only the first endoscopy was considered. Helicobacter pylori infection was defined by the rapid urease test, performed with one fragment of antral mucosa. Chi-square for trend has been estimated to compare Helicobacter pylori prevalence across the period. Results -The main indication for endoscopy was epigastric pain (47.4%). There were 392 patients with H pylori infection (33.6%), 12.8% being infants, 19.4% toddlers, 28.8% schoolchildren and 46.3% adolescents. Prevalence was 60.47% in the first year of the study and 30.43% in the last. Among the less than 6-year-old patients there was a decrease in infection prevalence from 25% for the 1993-6 period to 14.3% in the 2000-02 period, while among the over 12-year-old patients the decrease was from 55.5% in the first period to 39.6% in the latter. The decrease in H pylori infection prevalence was more intense within patients with epigastric pain, in which prevalence has decreased from 48.2% (92/191) in 1993-6, to 41.9% (65/155) in 1997-9 and 27.7% (57/206) in 2000-02. Conclusion -The study suggests a significant decrease in the prevalence of H pylori infection regarding the studied patients. The trend was mainly observed in the younger age group and in patients with epigastric pain.

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“…In the last 3 decades, the Helicobacter pylori organism has been the focus of gastritis in children, and many reports have shown that this bacterium is the etiology for moderate to severe gastritis [1]. However, the rate of the Hp-associated gastritis in children has been declining in recent years, especially in the developed countries [2][3][4]. The decline of the Hp infection rate in children in our practice was previously reported, demonstrating an infection rate between 3%-7% [5,6].…”

Section: Introductionmentioning

confidence: 99%

Helicobacter-pylori Negative Gastritis in Children—A New Clinical Enigma

Elitsur

Preston

2014

Diseases

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Abstract:The decrease in the prevalence of Helicobacter pylori (Hp) infection in children in the world gave rise to a new pathological finding termed as Hp-negative gastritis. Unfortunately, the term "Hp-negative gastritis" has not been identified as a pathological process and has the status of a "second cousin"; in most publications it was never mentioned as a subject to be dealt with, but was "left over" data that was never the topic of the manuscripts' discussions. Only recently has the topic captured the attention of the pathologists who described this phenomenon in adults, yet the pathological and/or clinical spectrum or significance of this phenomenon has not been adequately investigated. In the current manuscript we describe Hp-negative gastritis in children, summarize its clinical prevalence and touch upon the possible etiology, pathology, and/or therapeutic implication. Overall, this review has concluded that Hp-negative gastritis is a pathological phenomenon in children that needs further investigation, and to date, as the title suggests, is a new clinical enigma that needs to be considered.

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Helicobacter pylori Infection in Children in Estonia: Decreasing Seroprevalence During the 11‐Year Period of Profound Socioeconomic Changes

Abstract: The prevalence of H. pylori infection among children has significantly decreased during the 11-year period of profound socioeconomic changes in Estonia.

Cited by 47 publications

References 44 publications

Prevalence and Risk Factors of Helicobacter pylori Infection in Muong Children in Vietnam

Prevalence and Risk Factors of Helicobacter pylori Infection in Muong Children in Vietnam

Decrease in prevalence of Helicobacter pylori infection during a 10-year period in Brazilian children

Helicobacter-pylori Negative Gastritis in Children—A New Clinical Enigma

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