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https://www.readbyqxmd.com/read/28816966/causes-of-hematochezia-and-hemorrhagic-antibiotic-associated-colitis-in-children-and-adolescents
#1
Laura Stampfer, Andrea Deutschmann, Elisabeth Dür, Franz G Eitelberger, Theresia Fürpass, Gregor Gorkiewicz, Peter Heinz-Erian, Ingrid Heller, Kathrin Herzog, Barbara Hopfer, Reinhold Kerbl, Evelyn Klug, Robert Krause, Eva Leitner, Christoph Mache, Thomas Müller, Jasmin Pansy, Mirjam Pocivalnik, Eva Scheuba, Georg Schneditz, Gerolf Schweintzger, Edith Sterniczky, Ellen Zechner, Almuthe C Hauer, Christoph Högenauer, Karl Martin Hoffmann
Diseases causing hematochezia range from benign to potentially life-threatening. Systematic pediatric data on the causes of hematochezia are scarce. We studied the underlying causes and long-term outcome of hematochezia in children. We further investigated the relevance of antibiotic-associated hemorrhagic colitis in children, especially if caused by Klebsiella oxytoca.Infants, children, and adolescents with hematochezia were recruited prospectively. Patients were grouped according to age (<1 year, 1-5 years, 6-13 years, >14 years)...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28804515/mmx-%C3%A2-technology-and-its-applications-in-gastrointestinal-diseases
#2
REVIEW
Silvia Nardelli, Laura Francesca Pisani, Gian Eugenio Tontini, Maurizio Vecchi, Luca Pastorelli
The Multimatrix(®) (MMX(®)) preparation MMX(®) is a recently obtained drug formulation developed to facilitate release of high concentrations of active drugs into the colon, with a homogeneous distribution along all colonic segments, particularly the most distal ones; the distal colonic tracts, indeed, are the most difficult to reach in significant amounts when a drug is given orally. The MMX(®) formulation is characterized by a lipophilic matrix dispersed in a hydrophilic structure. Indeed, in the last few years, MMX(®) technology has been widely used in the development of various drugs for the treatment of inflammatory and infectious gastrointestinal diseases localized in the colon...
July 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28775365/sex-specific-regulation-of-immune-responses-by-ppars
#3
REVIEW
Hong-Jai Park, Je-Min Choi
The prevalence of autoimmune, infectious and metabolic diseases is different for men and women owing to the respective ability of their immune systems to respond to self and foreign antigens. Although several factors, including hormones and the X-chromosome, have been suggested to contribute to such sex-specific immune responses, the underlying factors remain poorly defined. Recent studies using peroxisome proliferator-activated receptor (PPAR) ligands and knockout mice have identified sex-dimorphic expression of PPARs, and have shown that the inhibitory functions of PPAR in T cells are substantially affected by the sex hormones...
August 4, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28771805/cutaneous-small-vessel-vasculitis-in-two-children-with-inflammatory-bowel-disease-case-series-and-review-of-the-literature
#4
Tina Ho, Lauren A V Orenstein, Markus D Boos, Kevin P White, Nicole Fett
Cutaneous small-vessel vasculitis (CSVV) is an infrequent manifestation of pediatric inflammatory bowel disease (IBD). We report two cases of CSVV associated with ulcerative colitis, review the literature, and discuss the diagnostic evaluation of children who present with CSVV and abdominal pain. After excluding more common causes of CSVV and abdominal pain in children, including immunoglobulin A vasculitis (previously Henoch-Schönlein purpura), infectious colitis, and drug-induced vasculitis, alternative diagnoses such as CSVV secondary to IBD or systemic vasculitis with gastrointestinal involvement must be considered...
August 2, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28762696/probiotics-for-gastrointestinal-conditions-a-summary-of-the-evidence
#5
REVIEW
Thad Wilkins, Jacqueline Sequoia
Probiotics contain microorganisms, most of which are bacteria similar to the beneficial bacteria that occur naturally in the human gut. Probiotics have been widely studied in a variety of gastrointestinal diseases. The most-studied species include Lactobacillus, Bifidobacterium, and Saccharomyces. However, a lack of clear guidelines on when to use probiotics and the most effective probiotic for different gastrointestinal conditions may be confusing for family physicians and their patients. Probiotics have an important role in the maintenance of immunologic equilibrium in the gastrointestinal tract through the direct interaction with immune cells...
August 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28747822/beneficial-effect-of-bifidobacterium-longum-atcc-15707-on-survival-rate-of-clostridium-difficile-infection-in-mice
#6
Bohyun Yun, Minyu Song, Dong-June Park, Sejong Oh
Clostridium difficile infection (CDI) is the main cause of hospital-acquired diarrhea that can cause colitis or even death. The medical-treatment cost and deaths caused by CDI are increasing annually worldwide. New approaches for prevention and treatment of these infections are needed, such as the use of probiotics. Probiotics, including Bifidobacterium spp. and Lactobacillus, are microorganisms that confer a health benefit to the host when administered in adequate amounts. The effect of Bifidobacterium longum ATCC 15707 on infectious disease caused by C...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28733704/-adverse-effects-of-immunotherapy-clinical-aspects-radiological-and-nuclear-medicine-results
#7
REVIEW
G Widmann, V A Nguyen, J Plaickner, W Jaschke
BACKGROUND: The increasing use of immunotherapy in oncology increases the need for radiologic evaluation of frequent and severe immune-related adverse events. OBJECTIVE: Determination of the incidence and manifestation of radiologic and nuclear medicine findings of immune-related adverse events. MATERIAL AND METHODS: Literature review of clinical and imaging findings of immune-related adverse events induced by the immune checkpoint inhibitors ipilimumab, nivolumab and pembrolizumab...
July 21, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28719595/risk-of-postoperative-complications-among-inflammatory-bowel-disease-patients-treated-preoperatively-with-vedolizumab
#8
Akihiro Yamada, Yuga Komaki, Nayan Patel, Fukiko Komaki, Arthur S Aelvoet, Anthony L Tran, Joel Pekow, Sushila Dalal, Russell D Cohen, Lisa Cannon, Konstantin Umanskiy, Radhika Smith, Roger Hurst, Neil Hyman, David T Rubin, Atsushi Sakuraba
OBJECTIVES: Vedolizumab is increasingly used to treat patients with ulcerative colitis (UC) and Crohn's disease (CD), however, its safety during the perioperative period remains unclear. We compared the 30-day postoperative complications among patients treated preoperatively with vedolizumab, anti-tumor necrosis factor (TNF)-α agents or non-biological therapy. METHODS: The retrospective study cohort was comprised of patients receiving vedolizumab, anti-TNF-α agents or non-biological therapy within 4 weeks of surgery...
July 18, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28717030/intestinal-epithelial-ecto-5-nucleotidase-cd73-regulates-intestinal-colonization-and-infection-by-nontyphoidal-salmonella
#9
Daniel J Kao, Bejan J Saeedi, David Kitzenberg, Krista M Burney, Evgenia Dobrinskikh, Kayla D Battista, Andrés Vázquez-Torres, Sean P Colgan, Douglas J Kominsky
Ecto-5' -nucleotidase (CD73) is expressed abundantly on the apical surface of intestinal epithelial cells (IEC) and functions as the terminal enzyme in the generation of extracellular adenosine. Previous work has demonstrated that adenosine signaling in IECs results in a number of tissue-protective effects during inflammation; however, a rationale for its apical expression has been lacking. We hypothesized that the highly polarized expression of CD73 is indicative of an important role for extracellular adenosine as a mediator of host-microbe interactions...
July 17, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28713103/-listeriosis-of-central-nervous-system-in-patients-with-ulcerative-colitis-case-study
#10
Agnieszka Żak-Gołąb, Krzysztof Dąbrowski, Antoni Hrycek
In the recently an increase morbidity inflammatory bowel disease, including ulcerative colitis was observed. The use of purine analogs and their metabolites are associated with a higher incidence of infections in this group of patients. Listeriosis is an infectious disease caused by a relatively anaerobic gram-positive bacteria - Listeria monocytogenes. Common symptoms include fever, nausea, vomiting and diarrhea, but these pathogens can also cause myocarditis, central nervous system infections, including brain abscesses and sepsis...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28708806/understanding-the-cautions-and-contraindications-of-immunomodulator-and-biologic-therapies-for-use-in-inflammatory-bowel-disease
#11
H Matthew Cohn, Maneesh Dave, Edward V Loftus
Ulcerative colitis and Crohn's disease are chronic inflammatory bowel diseases for which there are no cures. These diseases are immunopathogenic, and medical treatment is centered on the temperance of a dysregulated immune response to allow mucosal healing and prevent the sequelae of fistulation and stenosis. Accordingly, the armamentarium of medications, which has expanded immensely in recent history, is not without significant infectious and neoplastic risks. Many of these untoward effects can be mitigated by screening and avoidance of contraindicated medications...
August 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28689422/segmental-intestinal-necrosis-in-a-young-patient
#12
María Pilar Guillén-Paredes, Josefa Martínez-Fernández, Graciela Valero Navarro
Segmental ischemic colitis is an uncommon disease in young patients, being usually associated to drug abuse, infectious or autoimmune diseases. We present a case that, in spite of a complete diagnostic study, had repeatedly two attacks of intestinal necrosis during his admission.
July 10, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28689150/association-of-urinary-phenolic-compounds-inflammatory-bowel-disease-and-chronic-diarrheal-symptoms-evidence-from-the-national-health-and-nutrition-examination-survey
#13
Punyanganie S de Silva, Xuan Yang, Joshua R Korzenik, Rose H Goldman, Kristopher L Arheart, Alberto J Caban-Martinez
Endocrine disruptors such as phenolic compounds and parabens may be involved in chronic non-infective disease. While products incorporating these compounds are extensively utilized in consumer and personal products, little is known about their effect on bowel health. Inflammatory bowel disease (IBD) - consisting of the diseases ulcerative colitis and Crohn's disease - and irritable bowel syndrome are common chronic non-infectious diarrheal diseases. Despite limited knowledge on the etiology of IBD, these diseases have increased prevalence in industrialized countries and cause significant impairment to quality of life...
July 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28683149/tlr2-and-interleukin-10-are-involved-in-bacteroides-fragilis-mediated-prevention-of-dss-induced-colitis-in-gnotobiotic-mice
#14
Yi-Chih Chang, Yung-Hao Ching, Chien-Chao Chiu, Ju-Yun Liu, Shao-Wen Hung, Wen-Ching Huang, Yen-Te Huang, Hsiao-Li Chuang
BACKGROUND AND AIMS: Bacteroides fragilis (BF) are Gram-negative anaerobe symbionts present in the colon. Recent studies have reported the beneficial role of BF in maintaining intestinal homeostasis, stimulating host immunologic development, and preventing infectious colitis caused by pathogenic bacteria. Our previous studies showed that monocolonization of germ-free mice with BF significantly reduced colon inflammations and damage. METHODS: In order to investigate the Toll-like receptor-2 (TLR2), TLR4, and interleukin 10 (IL-10) molecular signaling pathways involved in BF-mediated prevention of dextran sulfate sodium (DSS)-induced colitis...
2017: PloS One
https://www.readbyqxmd.com/read/28670225/management-of-ulcerative-colitis-in-taiwan-consensus-guideline-of-the-taiwan-society-of-inflammatory-bowel-disease
#15
REVIEW
Shu-Chen Wei, Ting-An Chang, Te-Hsin Chao, Jinn-Shiun Chen, Jen-Wei Chou, Yenn-Hwei Chou, Chiao-Hsiung Chuang, Wen-Hung Hsu, Tien-Yu Huang, Tzu-Chi Hsu, Chun-Chi Lin, Hung-Hsin Lin, Jen-Kou Lin, Wei-Chen Lin, Yen-Hsuan Ni, Ming-Jium Shieh, I-Lun Shih, Chia-Tung Shun, Yuk-Ming Tsang, Cheng-Yi Wang, Horng-Yuan Wang, Meng-Tzu Weng, Deng-Chyang Wu, Wen-Chieh Wu, Hsu-Heng Yen, Jau-Min Wong
Ulcerative colitis (UC) is an inflammatory bowel disease characterized by chronic mucosal inflammation of the colon, and the prevalence and incidence of UC have been steadily increasing in Taiwan. A steering committee was established by the Taiwan Society of Inflammatory Bowel Disease to formulate statements on the diagnosis and management of UC taking into account currently available evidence and the expert opinion of the committee. Accurate diagnosis of UC requires thorough clinical, endoscopic, and histological assessment and careful exclusion of differential diagnoses, particularly infectious colitis...
July 2017: Intestinal Research
https://www.readbyqxmd.com/read/28650734/clostridium-difficile-associated-colitis-post-transplant-is-not-associated-with-elevation-of-tacrolimus-concentrations
#16
Hugo J R Bonatti, Karim W Sadik, Elizabeth Krebs, Costi D Sifri, Timothy L Pruett, Robert G Sawyer
BACKGROUND: Diarrhea is a common condition after solid organ transplant (SOT); Clostridium difficile-associated colitis (CDAC) is one of the most common infections after SOT. We documented previously that some types of enteritis are associated with an elevation of tacrolimus (TAC) trough concentrations by interfering with the drug's complex metabolism. PATIENTS AND METHODS: Tacrolimus concentrations of 25 SOT recipients including 12 renal and 13 liver recipients before, during, and after CDAC were analyzed retrospectively...
June 26, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28625250/-fulminant-clostridium-difficile-colitis-new-challenges-in-critical-care-medicine
#17
Bin Liu
Fulminant Clostridium difficile colitis (FCDC) means severe Clostridium difficile colitis (CDC), which often manifested with severe diarrhea, fever, abdominal distention, electrolyte disorder, hypoalbuminemia, and it can lead to pseudo membrane colonitis, toxic megacolon, bowel perforation, septic shock, and multiple organ dysfunction. Now Clostridium difficile (CD) becomes one of the most important medical institutions related infectious pathogens. In particular, the recently discovered mutant CD strain NAP1/BI/ribotype 027 has high pathogenicity in the global epidemic and its outbreak...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28617889/erdheim-chester-disease-presenting-with-histiocytic-colitis-and-cytokine-storm
#18
George P Christophi, Yeshika Sharma, Quader Farhan, Umang Jain, Ted Walker, Gregory S Sayuc, Deborah C Rubin
BACKGROUND: Non-Langerhans histiocytosis is a group of inflammatory lymphoproliferative disorders originating from non-clonal expansion of hematopoietic stem cells into cytokine-secreting dendritic cells or macrophages. Erdheim-Chester Disease (ECD) is a rare type of non-Langerhans cell histiocytosis characterized by tissue inflammation and injury caused by macrophage infiltration and histologic findings of foamy histiocytes. Often ECD involves the skeleton, retroperitoneum and the orbits...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28580210/immunosuppressive-medication-is-not-associated-with-surgical-site-infection-after-surgery-for-intractable-ulcerative-colitis-in-children
#19
Keiichi Uchida, Yoshikazu Ohtsuka, Atsushi Yoden, Hitoshi Tajiri, Hideaki Kimura, Takashi Isihige, Hiroyuki Yamada, Katsuhiro Arai, Takeshi Tomomasa, Kosuke Ushijima, Tomoki Aomatsu, Satoru Nagata, Kohei Otake, Kohei Matsushita, Mikihiro Inoue, Takahiro Kudo, Kenji Hosoi, Kazuo Takeuchi, Toshiaki Shimizu
Pediatric ulcerative colitis (UC) sometimes progresses to an intractable condition for medical therapy. The surgical management of UC is challenging because of difficult procedures and frequent infectious complications. The aim of this study was to survey surgical procedures and infectious complications in pediatric patients with UC in Japan and to assess the relationship between preoperatively administered immunosuppressive drugs and postoperative surgical site infection (SSI). A survey of pediatric patients treated from 2000 to 2012 was sent to 683 facilities nationwide...
May 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28566702/colitis-promotes-neuronal-differentiation-of-sox2-and-plp1-enteric-cells
#20
Jaime Belkind-Gerson, Hannah K Graham, Justin Reynolds, Ryo Hotta, Nandor Nagy, Lily Cheng, Michal Kamionek, Hai Ning Shi, Carol M Aherne, Allan M Goldstein
Mechanisms mediating adult enteric neurogenesis are largely unknown. Using inflammation-associated neurogenesis models and a transgenic approach, we aimed to understand the cell-source for new neurons in infectious and inflammatory colitis. Dextran sodium sulfate (DSS) and Citrobacter rodentium colitis (CC) was induced in adult mice and colonic neurons were quantified. Sox2GFP and PLP1GFP mice confirmed the cell-type specificity of these markers. Sox2CreER:YFP and PLP1creER:tdT mice were used to determine the fate of these cells after colitis...
May 31, 2017: Scientific Reports
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