نتایج جستجو برای: nec

تعداد نتایج: 3186  

2017
Noor Samuels Rob A. van de Graaf Rogier C. J. de Jonge Irwin K. M. Reiss Marijn J. Vermeulen

BACKGROUND Necrotizing enterocolitis (NEC) is a severe multifactorial disease in preterm neonates associated with high morbidity and mortality. Better insight into prognostic values of the many reported factors associated with NEC is needed to enable identification of neonates at risk for NEC. The aim was to systematically review the literature to identify independent risk factors for NEC from ...

2016
Diana Castro Liqun Zhang Subhadra Nandula Weiyi Chen Shahida Ahmed Jin Choe Donghong Cai

Richter’s Transformation of chronic lymphocytic leukemia (CLL) to diffuse large B-cell lymphoma or Hodgkin lymphoma (both are B-cell origin) are well described in literature. Recently, transformation of CLL into histiocytic/dendritic/Langerhans cell sarcoma (all are myeloid origin), dubbed as “transdifferentiation”, has also been reported. The mechanisms behind this phenomenon are not clear. He...

Journal: :Gut 2014
Karl G Sylvester Xuefeng B Ling G Y Liu Zachary J Kastenberg Jun Ji Zhongkai Hu Sihua Peng Ken Lau Fizan Abdullah Mary L Brandt Richard A Ehrenkranz Mary Catherine Harris Timothy C Lee Joyce Simpson Corinna Bowers R Lawrence Moss

OBJECTIVE Necrotising enterocolitis (NEC) is a major source of neonatal morbidity and mortality. The management of infants with NEC is currently complicated by our inability to accurately identify those at risk for progression of disease prior to the development of irreversible intestinal necrosis. We hypothesised that integrated analysis of clinical parameters in combination with urine peptide...

Journal: :Pediatrics 2012
Cynthia D Downard Stephanie N Grant Alexandra C Maki Mary C Krupski Paul J Matheson Robert W Bendon Mary E Fallat R Neal Garrison

BACKGROUND The maternal variables that affect fetal development and correlate with necrotizing enterocolitis (NEC), the most common gastrointestinal emergency in premature infants, are not well defined. We hypothesized that maternal risk factors were the primary determinant of future development of NEC. METHODS Patients with NEC were identified from an established NICU database and were contr...

Journal: :Journal of proteomics & bioinformatics 2015
Dokyoon Kim Changlin Fu Xuefeng B Ling Zhongkai Hu Guozhong Tao Yingzhen Zhao Zachary J Kastenberg Karl G Sylvester Shan X Wang

BACKGROUND Necrotizing Enterocolitis (NEC) is a major source of neonatal morbidity and mortality. There is an ongoing need for a sensitive diagnostic instrument to discriminate NEC from neonatal sepsis. We hypothesized that magnetic nanopartile-based biosensor analysis of gut injury-associated biomarkers would provide such an instrument. STUDY DESIGN We designed a magnetic multiplexed biosens...

Journal: :American journal of physiology. Gastrointestinal and liver physiology 2009
Yuying Liu Limin Zhu Nicole Y Fatheree Xiaoqin Liu Susan E Pacheco Nina Tatevian Jon Marc Rhoads

It is unclear whether the broad inflammatory response shown in neonatal necrotizing enterocolitis (NEC) is the cause or the effect of tissue injury. Toll-like receptors (TLRs) on intestinal dendritic, mononuclear, and epithelial cells recognize bacterial ligands and damaged tissues, thus activating the inflammatory response. The present study aimed to determine whether active TLR signaling woul...

2012
Mark A. Underwood

Necrotizing enterocolitis (NEC) is a common and devastating disease of premature infants. Immaturity of the innate immune system of the gut is central to the pathogenesis of NEC. Recent studies suggest a key role for Paneth cells in this disease. Addressing basic questions on the development and function of immature Paneth cells may shed light on the puzzling pathophysiology of NEC. Current ani...

Journal: :Physical review 2021

Primordial null energy condition (NEC) violation would imprint a blue-tilted spectrum on gravitational wave background (GWB). However, its implications the GWB might be far richer than expected. We present scenario, in which after slow-roll (NEC-preserving) inflation with Hubble parameter $H\ensuremath{\simeq}{H}_{inf1}$, Universe goes through an NEC-violating period and then enters subsequent ...

Journal: :Journal of neonatal surgery 2015
Brian P Blackwood M D Douglas R Wood B S Carrie Y Yuan B S Joseph D Nicolas Anne Griffiths M D Karen Mestan M D Catherine J Hunter M D

BACKGROUND Necrotizing Enterocolitis (NEC) affects 5-10% of NICU patients where initially patients may have only nonspecific clinical findings. A noninvasive tool for detection would aid in diagnosis. Increased urinary claudins have been associated with active adult inflammatory bowel disease. METHODS Institutional Review Board approval was obtained. Neonatal intestinal tissue samples were ob...

2015

Background: Eosinophils infiltrate intestinal tissue during necrotizing enterocolitis (NEC) and adult bowel diseases. We theorized that epithelial damage causes eosinophilic activation and recruitment at NEC onset. Objective: We studied the relationship between persistent blood eosinophilia and medical or surgical complications during NEC. Methods: NEC cases and controls at MU Children’s Hospit...

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