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기능성 소화불량 소아청소년에서 위 운동에 대한 Helicobater pylori 감염의 영향

Influence of Helicobacter pylori Infection on Gastric Motility in Children and Adolescents with Functional Dyspepsia

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참고문헌

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주제분류소아과학

초록

목 적: H. pylori는 만성 위염의 중요한 원인균으로서 이에 대한 많은 연구가 진행되었지만 이와 관련된 기능성 소화불량과의 관계나 위 운동에 미치는 영향에 대한 연구는 특히 소아에서 많지 않다. 이에 본 연구자들은 소아 및 청소년의 기능성 소화불량 환자에서 H. pylori 감염이 위전도 검사 결과에 미치는 영향을 평가하고자 하였다.  방 법: 2006년 8월부터 2008년 12월까지 복통을 주소로 가천의대 길병원과 인하대병원 소아청소년과에 소화불량을 주소로 내원한 소아 및 청소년 중 상부 위장관 내시경 검사와 함께 조직검사 혹은 요소호기 검사를 시행한 환아 중 기능성 소화불량 환자를 대상으로 위전도 검사를 시행하였다. 이 중 조직검사를 통해 만성 위염이 확인되고 만성 질환자를 제외한 63예를 대상으로 H. pylori 양성군과 음성군으로 나누어 위전도 검사 결과를 비교 분석하였다.  결 과: H. pylori 양성군은 25명(40%)이었으며 음성군은 38명(60%)이었다. H. pylori 양성군에서 음성군보다 식, 전후 정상리듬의 비율이 비교적 낮았다(80% vs. 65%, 80% vs. 68%). 또한 주 힘은 식후 검사상 H. pylori 양성군에서 유의하게 낮았으며(8.18±22.36 dB, 32.20± 24.18 dB, p<0.01), 식후 주 힘의 변화(δP)도 유의하게 적었다(−1.28±6.18 vs. +4.62±5.93, p<0.01). 그러나 다른 변수들은 유의미한 차이를 보이지 않았다.  결 론: H. pylori 감염은 위의 운동에 영향을 미치는 것으로 생각되며, 따라서 H. pylori 감염과 함께 위 운동 이상이 있을 경우 H. pylori 감염률이 낮은 지역에서는 H. pylori 제균 치료를 고려할 수도 있을 것으로 생각한다.

Abstract

Purpose: In spite of many reports about Helicobacter pylori infection in children with functional gastrointestinal disorders, there are few reports about the influence of H. pylori infection to functional dyspepsia and gastric motility. Therefore, we studied the influence of H. pylori infection on gastric myoelectrical activity in children with functional dyspepsia. Methods: Between August 2006 and December 2008 upper gastrointestinal endoscopies with biopsies, the rapid urease test and/or 13C urea breath test, and electrogastrography (EGG) were performed on 63 patients with histologic chronic gastritis; patients with chronic disorders were excluded. Comparisons about gastric myoelectrical activities were made between H. pylori-positive children (n=25) and H. pylori- negative children (n=38). Results: The percentage of pre- and post-prandial normogastria was relatively lower in H. pylori-positive children than H. pylori-negative children (80% vs. 65%, and 80% vs. 68%, respectively). Compared to H. pylori-negative children, H. pylori-positive children had lower postprandial predominant power (8.18±22.36 dB and 32.20±24.18 dB, respectively; p<0.01) and a lower power ratio (δP; −1.28±6.18 vs. +4.62±5.93, respectively; p<0.01). Conclusion: It was suggested that the gastric myoelectrical activity in children with chronic gastritis can be influenced by H. pylori infection. Thus, this study indicates that H. pylori infection may be predictable in children with functional dyspepsia through analyzing the EGG parameters, and treatment may be considered in H. pylori-positive children with impaired gastric activity, especially in the lower prevalence area.

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