Department of Gastroenterology, Sanjay Gandhi Post Graduate, Institute of Medical Sciences, Lucknow, India.
J Neurogastroenterol Motil. 2010 Jan;16(1):40-6. doi: 10.5056/jnm.2010.16.1.40. Epub 2010 Jan 31.
INTRODUCTION: Small intestinal bacterial overgrowth (SIBO) occurs in varying frequency in irritable bowel syndrome (IBS). We studied the frequency of SIBO in IBS and chronic non-specific diarrhea (CNSD). METHODS: 129 patients with IBS (Manning's criteria), 73 with CNSD (>/= 4 weeks diarrhea with two of these tests normal [urine D-xylose, fecal fat and duodenal biopsy]) and 51 healthy controls (HC) were evaluated for SIBO using glucose hydrogen breath test (GHBT). Diarrhea-predominant IBS (D-IBS) was grouped into CNSD. Rise in breath hydrogen 12 ppm above basal following 100 g glucose was diagnostic of SIBO. RESULTS: Of 129 patients with IBS, 7 were constipation (C-IBS), and 122 were of indeterminate type (I-IBS). Patients with IBS were younger than HC and CNSD (IBS vs. HC: 36.6 yr +/- 11.4 vs. 44.1 yr +/- 13.6, p = 0.001; IBS vs. CNSD: 36.6 yr +/- 11.4 vs. 42 yr +/- 14.5, p = 0.003). Patients with CNSD were comparable to HC in age (42 yr +/- 14.5 vs. 44.1 yr +/- 13.6, p = ns). Patients with IBS were more often male than HC [108/129 (83.7%) vs. 34/51 (66.7%) p = 0.02]; gender of CNSD and HC was comparable [male 39/73 (53.4%) vs. 34/51 (66.7%) p = ns]. SIBO was commoner in CNSD than HC [16 (21.9%) vs. 1 (2%), p = 0.003], but was comparable in IBS and HC [11 (8.5%) vs. 1 (2%), p = 0.18]. Patients with CNSD more often had SIBO than IBS [16 (21.9%) vs. 11 (8.5%), p = 0.007]. CONCLUSIONS: SIBO was more common in CNSD including D-IBS than other types of IBS and HC.
介绍:小肠细菌过度生长(SIBO)在肠易激综合征(IBS)中的发生频率各不相同。我们研究了 SIBO 在 IBS 和慢性非特异性腹泻(CNSD)中的发生频率。
方法:129 例 IBS 患者(Manning 标准)、73 例 CNSD 患者(>/=4 周腹泻,其中两项检查正常[尿 D-木糖、粪便脂肪和十二指肠活检])和 51 例健康对照(HC)接受葡萄糖氢呼气试验(GHBT)检查 SIBO。腹泻为主型 IBS(D-IBS)被归入 CNSD。葡萄糖 100g 后呼气氢 12ppm 升高超过基础值诊断为 SIBO。
结果:129 例 IBS 患者中,7 例为便秘型(C-IBS),122 例为不定型(I-IBS)。IBS 患者比 HC 和 CNSD 患者年轻(IBS 与 HC:36.6yr +/- 11.4 vs. 44.1yr +/- 13.6,p=0.001;IBS 与 CNSD:36.6yr +/- 11.4 vs. 42yr +/- 14.5,p=0.003)。CNSD 患者与 HC 的年龄相当(42yr +/- 14.5 vs. 44.1yr +/- 13.6,p=ns)。IBS 患者中男性多于 HC [108/129(83.7%)比 34/51(66.7%),p=0.02];CNSD 和 HC 的性别相似[男性 39/73(53.4%)比 34/51(66.7%),p=ns]。CNSD 患者 SIBO 较 HC 更常见[16(21.9%)比 1(2%),p=0.003],但 IBS 和 HC 间 SIBO 发生率相当[11(8.5%)比 1(2%),p=0.18]。CNSD 患者 SIBO 较 IBS 更常见[16(21.9%)比 11(8.5%),p=0.007]。
结论:CNSD 包括 D-IBS 中 SIBO 较其他类型 IBS 和 HC 更常见。
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