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Impact of Bariatric Surgery on the Long-term Disease Course of Inflammatory Bowel Disease.

减肥手术对炎症性肠病长期病程的影响。

  • 影响因子:3.72
  • DOI:10.1093/ibd/izz236
  • 作者列表:"Braga Neto MB","Gregory MH","Ramos GP","Bazerbachi F","Bruining DH","Abu Dayyeh BK","Kushnir VM","Raffals LE","Ciorba MA","Loftus EV","Deepak P
  • 发表时间:2020-06-18
Abstract

BACKGROUND:An association between inflammatory bowel disease (IBD) and obesity has been observed. Little is known about the effect of weight loss on IBD course. Our aim was to determine the impact of bariatric surgery on long-term clinical course of obese patients with IBD, either Crohn's disease (CD) or ulcerative colitis (UC). METHODS:Patients with IBD who underwent bariatric surgery subsequent to IBD diagnosis were identified from 2 tertiary IBD centers. Complications after bariatric surgery were recorded. Patients were matched 1:1 for age, sex, IBD subtype, phenotype, and location to patients with IBD who did not undergo bariatric surgery. Controls started follow-up at a time point in their disease similar to the disease duration in the matched case at the time of bariatric surgery. Inflammatory bowel disease medication usage and disease-related complications (need for corticosteroids, hospitalizations, and surgeries) among cases and controls were compared. RESULTS:Forty-seven patients met inclusion criteria. Appropriate matches were found for 25 cases. Median follow-up among cases (after bariatric surgery) and controls was 7.69 and 7.89 years, respectively. Median decrease in body mass index after bariatric surgery was 12.2. Rescue corticosteroid usage and IBD-related surgeries were numerically less common in cases than controls (24% vs 52%; odds ratio [OR], 0.36; 95% confidence interval [CI], 0.08-1.23; 12% vs 28%; OR, 0.2; 95% CI, 0.004-1.79). Two cases and 1 control were able to discontinue biologics during follow-up. CONCLUSIONS:Inflammatory bowel disease patients with weight loss after bariatric surgery had fewer IBD-related complications compared with matched controls. This observation requires validation in a prospective study design.

摘要

背景: 已经观察到炎症性肠病 (IBD) 和肥胖之间的关联。关于减肥对 IBD 病程的影响知之甚少。我们的目的是确定减肥手术对肥胖 IBD 患者 (克罗恩病 (CD) 或溃疡性结肠炎 (UC)) 长期临床病程的影响。 方法: 从 2 个三级 IBD 中心确定在 IBD 诊断后接受减肥手术的 IBD 患者。记录减肥手术后的并发症。患者年龄、性别、 IBD 亚型、表型和位置与未接受减肥手术的 IBD 患者 1:1 匹配。对照组在其疾病的某个时间点开始随访,与减肥手术时匹配病例的疾病持续时间相似。比较病例组和对照组的炎症性肠病药物使用情况和疾病相关并发症 (需要皮质激素、住院和手术)。 结果: 47 例患者符合纳入标准。25 例找到了合适的匹配。病例组 (减肥手术后) 和对照组的中位随访时间分别为 7.69 年和 7.89 年。减肥手术后体重指数下降的中位数为 12.2。救援皮质类固醇使用和 IBD 相关手术在病例组中的发生率低于对照组 (24% vs 52%; 比值比 [OR],0.36; 95% 置信区间 [CI],0.08-1.23; 12% vs 28%; OR,0.2; 95% CI,0.004-1.79)。2 例病例和 1 例对照在随访期间能够停用生物制剂。 结论: 与匹配的对照组相比,减肥手术后体重减轻的炎症性肠病患者具有较少的 IBD 相关并发症。这一观察结果需要在前瞻性研究设计中进行验证。

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影响因子:4.22
发表时间:2020-01-30
来源期刊:The FEBS journal
DOI:10.1111/febs.15236
作者列表:["Sayed IM","Suarez K","Lim E","Singh S","Pereira M","Ibeawuchi SR","Katkar G","Dunkel Y","Mittal Y","Chattopadhyay R","Guma M","Boland BS","Dulai PS","Sandborn WJ","Ghosh P","Das S"]

METHODS::Chronic diseases, including inflammatory bowel disease (IBD) urgently need new biomarkers as a significant proportion of patients, do not respond to current medications. Inflammation is a common factor in these diseases and microbial sensing in the intestinal tract is critical to initiate the inflammation. We have identified ELMO1 (Engulfment and Cell Motility Protein-1) as a microbial sensor in epithelial and phagocytic cells that turns on inflammatory signals. Using a stem-cell-based "gut-in-a-dish" coculture model, we studied the interactions between microbes, epithelium and monocytes in the context of IBD. To mimic the in-vivo cell physiology, enteroid-derived monolayers (EDMs) were generated from the organoids isolated from WT and ELMO1-/- mice and colonic biopsies of IBD patients. The EDMs were infected with the IBD-associated microbes to monitor the inflammatory responses. ELMO1-depleted EDMs displayed a significant reduction in bacterial internalization, a decrease in pro-inflammatory cytokine productions and monocyte recruitment. The expression of ELMO1 is elevated in the colonic epithelium and in the inflammatory infiltrates within the lamina propria of IBD patients where the higher expression is positively correlated with the elevated expression of pro-inflammatory cytokines, MCP-1 and TNF-α. MCP-1 is released from the epithelium and recruits monocytes to the site of inflammation. Once recruited, monocytes require ELMO1 to engulf the bacteria and propagate a robust TNF-α storm. These findings highlight that the dysregulated epithelial ELMO1→MCP-1 axis can serve as an early biomarker in the diagnostics of IBD and other inflammatory disorders.

影响因子:3.72
发表时间:2020-01-21
DOI:10.1093/ibd/izz323
作者列表:["Prathapan KM","Ramos Rivers C","Anderson A","Koutroumpakis F","Koutroubakis IE","Babichenko D","Tan X","Tang G","Schwartz M","Proksell S","Johnston E","Hashash JG","Dunn M","Wilson A","Barrie A","Harrison J","Hartman D","Kim SC","Binion DG"]

METHODS:BACKGROUND:Peripheral blood eosinophilia (PBE) is a biomarker of an aggressive multiyear natural history in adults with inflammatory bowel diseases (IBDs). Additionally, PBE at diagnosis is associated with higher disease activity in pediatric-onset IBD. We sought to determine if PBE can function as a biomarker of long-term disease severity in pediatric-onset IBD patients who are followed into adulthood. METHODS:We analyzed a consented, prospective, natural history IBD registry at an adult tertiary center from 2009 to 2018. Prevalence of PBE was evaluated in both pediatric- and adult-onset IBD patients. Demographics, clinical characteristics, and health care utilization data were compared in patients with and without PBE. RESULTS:Among 2800 adult IBD patients, 23.4% had pediatric-onset disease. PBE was found in 34% of the pediatric-onset patients compared with 26.8% of the adult-onset IBD patients (P < 0.001). In the pediatric-onset IBD cohort, PBE was associated with higher rates of allergies (P < 0.0001), but not of asthma, allergic rhinitis, or primary sclerosing cholangitis. In the adult IBD patients with pediatric-onset disease, PBE was associated with higher rates of C-reactive protein elevation (P < 0.0001), erythrocyte sedimentation rate elevation (P < 0.0001), higher health care utilization, and higher average health care charges per year (P < 0.00001). CONCLUSIONS:Peripheral blood eosinophilia was more prevalent in adult IBD patients with pediatric-onset compared with adult-onset disease. Among all IBD patients with long-term follow-up, PBE defined a subgroup with more severe illness. These data suggest that PBE may be a biomarker for a high-risk subgroup with high cost trajectory and long-term severity in pediatric-onset IBD that persists into adulthood.

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影响因子:3.72
发表时间:2020-01-21
DOI:10.1093/ibd/izz331
作者列表:["Ronchetti S","Gentili M","Ricci E","Migliorati G","Riccardi C"]

METHODS::Inflammatory bowel diseases (IBDs) are chronic inflammatory disorders with a complex pathogenesis, affecting people of all ages. They are characterized by alternating phases of clinical relapse and remission, depending on the fine balance between immune cells and the gut microbiota. The cross talk between cells of the immune system and the gut microbiota can result in either tolerance or inflammation, according to multifactorial triggers, ranging from environmental factors to genetic susceptibility. Glucocorticoid (GC) administration remains the first-line treatment for IBDs, although long-term use is limited by development of serious adverse effects. Recently, new alternative pharmacological therapies have been developed, although these are not always effective in IBD patients. There is a constant demand for effective new drug targets to guarantee total remission and improve the quality of life for IBD patients. The glucocorticoid-induced leucine zipper (GILZ) has been implicated as a promising candidate for this purpose, in view of its powerful anti-inflammatory effects that mimic those of GCs while avoiding their unwanted adverse reactions. Here we present and discuss the latest findings about the involvement of GILZ in IBDs.

关键词: GILZ IBD 自身免疫 炎症
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