林艺 郑媛媛
【摘要】 目的:分析肠易激综合征(IBS)典型症状严重程度与血清25-羟维生素D[25-(OH)D]水平的相关性。方法:选取本院2018年1月-2020年1月收治的100例IBS患者作为试验组,另选取同期于本院体检的100例健康人员作为参照组。比较两组血清25-(OH)D水平,比较试验组中不同类型IBS患者血清25-(OH)D水平,分析IBS典型症状严重程度与血清25-(OH)D的相关性。结果:试验组血清25-(OH)D水平为(17.62±2.62)ng/mL,低于参照组的(43.62±5.11)ng/mL(P<0.05)。试验组维生素D缺乏与不足比例均高于参照组,维生素D充足比例低于参照组(P<0.05)。便秘型患者血清25-(OH)D水平明显高于腹泻型与混合型患者(P<0.05),混合型患者血清25-(OH)D明显高于未定型患者(P<0.05)。IBS临床症状严重程度评分系统(IBS-SSS)评分与血清25-(OH)D水平呈负相关(r=-0.516,P=0.021)。结论:IBS典型症状严重程度与血清25-(OH)D呈负相关,血清25-(OH)D水平较低的IBS患者应引起临床重视。
【关键词】 肠易激综合征 血清25-(OH)D
[Abstract] Objective: To analyze the correlation between the severity of typical symptoms of irritable bowel syndrome (IBS) and serum 25-hydroxyvitamin D [25-(OH)D] levels. Method: A total of 100 IBS patients admitted in our hospital from January 2018 to January 2020 were selected as the experimental group, and 100 healthy persons examined in our hospital during the same period were selected as the reference group. Serum 25-(OH)D levels were compared between the two groups, serum 25-(OH)D levels of patients with different types of IBS in the experimental group were compared, the correlation between the severity of typical symptoms of IBS and serum 25-(OH)D was analyzed. Result: The serum 25-(OH)D level of the experimental group was (17.62±2.62) ng/mL, it was lower than (43.62±5.11) ng/mL of the reference group (P<0.05). The proportion of vitamin D lack and deficiency in the experimental group were higher than those in the reference group, and the proportion of vitamin D sufficient was lower than that in the reference group (P<0.05). The serum 25-(OH)D level of patients with constipation type was significantly higher than that of the patients with diarrhea-type and the mixed type (P<0.05). The serum 25-(OH)D of the patients with the mixed type was significantly higher than that in the the patients with unformed (P<0.05). IBS symptom severity scale (IBS-SSS) score was negatively correlated with serum 25-(OH)D level (r=-0.516, P=0.021). Conclusion: The severity of typical symptoms in IBS patients is negatively correlated with serum 25-(OH) D, the IBS patients with low serum 25-(OH)D should be paid attention to clinically.
[Key words] Irritable bowel syndrome Serum 25-(OH)D
First-authors address: Quanzhou Strait Hospital, Quanzhou 362000, China
doi:10.3969/j.issn.1674-4985.2020.21.029
肠易激综合征(IBS)是一种临床常见病,具体表现为便秘、腹泻、腹胀、腹痛以及排便习惯改变等,严重影响了患者正常的生活、工作[1]。据不完全统计,世界范围内IBS的发生率高达25%,亚洲地区IBS发生率高达10%[2]。当前,临床治疗IBS主要为对症药物治疗,整体治疗效果欠佳,将近1/3的IBS患者对常规药物治疗无反应[3-4]。既往有研究表明维生素D具有调节钙、磷代谢、免疫反应、抗炎等作用,IBS患者机体维生素D水平明显比健康人群低[5]。基于此,本研究选取本院2018年1月-2020年1月收治的IBS患者100例,分析了IBS典型癥状严重程度与血清25-羟维生素D[25-(OH)D]水平的相关性,现报道如下。
本研究中便秘型患者血清25-(OH)D水平(24.62±6.55)ng/mL明显高于腹泻型患者的(18.26±2.62)ng/mL与混合型患者的(18.86±2.64)ng/mL(P<0.05)。混合型患者血清25-(OH)D明显高于未定型患者的(16.25±1.66)ng/mL(P<0.05)。表明腹泻型、混合型、未定型IBS患者机体血清25-(OH)D水平要明显比便秘型IBS患者低。考虑与胆汁酸吸收障碍有着密切关系,胆汁酸在脂溶性、脂质维生素吸收的过程中发挥着至关重要的作用,而腹泻型、混合型以及未定型的IBS患者脂溶性维生素以及其他的营养物质,吸收不良程度要比便秘型IBS患者重。本研究结果显示,IBS-SSS评分与血清25-(OH)D水平呈负相关(r=-0.516,P=0.021)。分析如下:维生素D与IBS患者肠道黏膜轻度炎症反应以及内脏敏感性有着密切联系,轻度的炎癥反应以及免疫活性,会加重IBS患者临床症状。陈旭桑等[20]研究中认为维生素D与IBS患者内脏高敏性有着密切联系,且肥大细胞参与了由于维生素D介导的IBS内脏高敏性。
综上所述,IBS患者典型症状严重程度与血清25-(OH)D水平呈负相关性,随着IBS疾病的发生、发展,血清25-(OH)D水平会逐渐降低,故在IBS诊断及治疗中,临床应加强血清25-(OH)D检测,为治疗方案的制定提供科学的参考依据,最大限度改善患者预后,防止疾病进展。
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(收稿日期:2020-04-27) (本文编辑:田婧)