Keywords:
Necrotizing Enterocolitis
Enterocolitis
Necrotizing Enterocolitis
Pathogenesis
Enterocolitis
Cronobacter sakazakii
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Early detection of necrotizing enterocolitis can improve the prognosis, however, there is not a reliable laboratory test to detect either newborns at risk for necrotizing enterocolitis development or those at early stages of the disease. Since fecal lactoferrin and fecal calprotectin are inflammatory markers of gastrointestinal diseases, it was hypothesized that both these biomarkers could be successfully used in the diagnosis of necrotizing enterocolitis.In a prospective study, fecal lactoferrin and fecal calprotectin concentrations of 14 newborns with necrotizing enterocolitis and consecutively admitted 40 healthy preterm, and 23 healthy full-term newborns were measured with enzyme-linked immunosorbent assay technique.Mean fecal lactoferrin and fecal calprotectin were not different between preterm and full-term newborns (p = .235 and p = .845, respectively), or those who were diagnosed with necrotizing enterocolitis or not (p = .545 and p = .968, respectively). Prevalence of necrotizing enterocolitis was 1.51% (14 of 2734). Stage of the disease did not have a statistical effect on mean levels (p = .694 and p = .267, respectively). Mean fecal lactoferrin and fecal calprotectin levels were not different in the case of breastfeeding (p = .623 and p = .792, respectively).Neither fecal lactoferrin nor fecal calprotectin has a role in the identification of necrotizing enterocolitis, especially in early stages of the disease. Further studies on wider necrotizing enterocolitis series are needed for a more definite conclusion.
Necrotizing Enterocolitis
Lactoferrin
Enterocolitis
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<i>Background:</i> Neonatal necrotizing enterocolitis (NEC) is the most common gastrointestinal emergency in premature infants. The mortality rate associated with NEC is quite high and in most reports ranges from 20 to 30%. Despite extensive studies, the pathogenesis of NEC remains poorly understood. <i>Objectives:</i> To investigate the mechanisms of NEC in terms of inflammatory signaling in the intestine. <i>Methods:</i> A new enterocolitis model was established and examined the expression of inflammatory and anti-inflammatory signals in the intestines of rat pups. The premature rat pups, delivered by abdominal incision on day 20 of gestation (day 21 is considered as full term), were divided into three groups, and they were given a single administration of 0.05, 0.1, and 0.15 ml of formula milk via an orogastric catheter. After 24 h, the development of enterocolitis was evaluated by the presence of hemorrhagic enterocolitis, and the expression of signaling molecules, inhibitor of nuclear factor-ĸB (IĸB)-α/β and peroxisome proliferator-activated receptor (PPAR)-γ mRNA was examined by reverse transcription-polymerase chain reaction from inflamed and non-inflamed intestinal samples. <i>Results:</i> The incidence of enterocolitis increased with the volume of milk, and 50% of rat pups showed enterocolitis with a volume of 0.15 ml of milk. Expression of IĸB-α/β and PPAR-γ mRNA increased in inflamed intestine. <i>Conclusions:</i> Increased expression of IĸB-α/β suggested that the inflammatory mediator nuclear factor-ĸB is deeply involved in the pathogenesis of enterocolitis that can be easily introduced by overfeeding of milk ingestion in premature rat pups which mimic those seen in NEC. Increased expression of PPAR-γ may possibly regulate further development of enterocolitis in this system.
Necrotizing Enterocolitis
Enterocolitis
Pathogenesis
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The effect of human colostrum in the prevention of diarrhea and necrotizing enterocolitis, as well as the advantages of its use in gastroenteritis, was studied in 71 premature newborns. The frequency of diarrhea and enterocolitis in 16 healthy newborns who were given human colostrum (group II), was less than in the 22 healthy newborns who received only cows milk (group I), but without statistical significance. In 25 infants with diarrhea who were given human colostrum, the frequency of enterocolitis and sepsis (group IV) was less than in the 8 infants with diarrhea who didn't receive human colostrum (group III). At the end we suggest that human colostrum should be given in high risk infants in order to decrease the frequency of diarrhea and enterocolitis and we also make some recommendation as to how to obtain and store human colostrum.
Necrotizing Enterocolitis
Enterocolitis
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Necrotizing enterocolitis (NEC) is a complex intestinal disease that primarily affects premature neonates. Given its significant mortality and morbidity, there is an urgent need to develop improved prophylactic measures against the disease. One potential preventative strategy for NEC is the use of probiotics. Although there has been significant interest for decades in probiotics in neonatal care, no clear guidelines exist regarding which probiotic to use or for which patients, and no FDA-approved products exist on the market for NEC. In addition, there is lack of agreement regarding the benefits of probiotics in neonates, as well as some concerns about the safety and efficacy of available products. We discuss currently available probiotics as well as next-generation probiotics and novel delivery strategies which may offer an avenue to capitalize on the benefits of probiotics, while minimizing the risks. Thus, probiotics may still prove to be an effective prevention strategy for NEC, although further product development and research is needed to support use in the preterm population.
Necrotizing Enterocolitis
Enterocolitis
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To study the occurrence of bacterial translocation and to assess the impact of breastfeeding on bacterial translocation in the animal model of necrotizing enterocolitis.A total of 20 neonate Sprague-Dawley rats were enrolled in the study. Rats were randomly allocated into either control or study group just after birth. Ten newborn rats in the control group were left with their mother to be breast-fed. In contrary, necrotizing enterocolitis group consisted of neonates that were separated from their mothers, housed in an incubator and were gavaged with a special rodent formula three times daily. Survival rates, weight changes, and morphologic scoring obtained after microscopic evaluation were determined as microbiologic evaluation criteria.All the rats in the control group survived, while 1 (10 %) rat died in the necrotizing enterocolitis group. Mortality rates of the two groups were similar. All the formula-fed animals in the necrotizing enterocolitis group had significant weight loss compared to the breast milk-fed rats in the control group (p<0.05). A total of 7 (70 %) and 2 (20 %) E. coli growths were identified in the bowel lumen, liver, and spleen of necrotizing enterocolitis and control groups, respectively. This difference was statistically significant. In peritoneal smear cultures, a total of 3 (30 %) growths were detected in the necrotizing enterocolitis group and 1 (10 %) growth in the control group.As the result of a disturbance in the intestinal flora and impairment of the intestinal barrier in necrotizing enterocolitis, microrganisms in the bowel pass through the intestinal barrier and reach the liver and the spleen via the hematogenous route. This condition is closely related to the impairment of physiological and functional features of the intestinal barrier and is independent from the degree of intestinal injury. Bacterial translocation should be remembered in cases suspected of necrotizing enterocolitis, and a rapid and effective treatment algorithm should be applied in such circumstances (Tab. 3, Fig. 3, Ref. 21). Full Text in PDF www.elis.sk.
Necrotizing Enterocolitis
Enterocolitis
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To summarize and differentiate abdominal ultrasound findings of necrotizing enterocolitis and food protein-induced enterocolitis syndrome.From January 2017 to December 2018, the abdominal ultrasound results of 304 cases diagnosed necrotizing enterocolitis or food protein-induced enterocolitis syndrome were retrospectively analyzed. The presence of pneumatosis intestinalis, portal venous gas, bowel wall thickening, intestinal motility, focal fluid collections and hypoechoic change of gallbladder wall were calculated, and the results were compared and analyzed.Pneumatosis intestinalis, portal venous gas, bowel wall thickening, intestinal motility weakened/absent, focal fluid collections and hypoechoic change of gallbladder wall can be found in both necrotizing enterocolitis and food protein-induced enterocolitis syndrome infants. However, in infants with necrotizing enterocolitis, intestinal motility was weakened/absent in whole abdomen, and in food protein-induced enterocolitis syndrome, it only involved isolated segment of bowel. The positive rates of above signs in necrotizing enterocolitis infants were significantly higher than those in food protein-induced enterocolitis syndrome (p<0.01). Moreover, it was observed that the rate of weakened intestinal motility besides the lesion segment of bowel in necrotizing enterocolitis infants was 100%, and in food protein-induced enterocolitis syndrome infants, it was 0%, which is supposed to be a main sign for identification.In the early stage, abdominal ultrasound can be used to differentiate necrotizing enterocolitis and food protein-induced enterocolitis syndrome.
Necrotizing Enterocolitis
Enterocolitis
Pneumatosis Intestinalis
Short Bowel Syndrome
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Бұл зерттеужұмысындaКaно моделітурaлы жәнеоғaн қaтыстытолықмәліметберілгенжәнеуниверситетстуденттерінебaғыттaлғaн қолдaнбaлы (кейстік)зерттеужүргізілген.АхметЯссaуи университетініңстуденттеріүшін Кaно моделіқолдaнылғaн, олaрдың жоғaры білімберусaпaсынa қоятынмaңыздытaлaптaры, яғнисaпaлық қaжеттіліктері,олaрдың мaңыздылығытурaлы жәнесaпaлық қaжеттіліктерінеқaтыстыөз университетінқaлaй бaғaлaйтындығытурaлы сұрaқтaр қойылғaн. Осы зерттеудіңмaқсaты АхметЯсaуи университетіндетуризмменеджментіжәнеқaржы бaкaлaвриaт бaғдaрлaмaлaрыныңсaпaсынa қaтыстыстуденттердіңқaжеттіліктерінaнықтaу, студенттердіңқaнaғaттaну, қaнaғaттaнбaу дәрежелерінбелгілеу,білімберусaпaсын aнықтaу мен жетілдіружолдaрын тaлдaу болыптaбылaды. Осы мaқсaтқaжетуүшін, ең aлдыменКaно сaуaлнaмaсы түзіліп,116 студенткеқолдaнылдыжәнебілімберугежәнеоның сaпaсынa қaтыстыстуденттердіңтaлaптaры мен қaжеттіліктерітоптықжұмыстaрaрқылыaнықтaлды. Екіншіден,бұл aнықтaлғaн тaлaптaр мен қaжеттіліктерКaно бaғaлaу кестесіменжіктелді.Осылaйшa, сaпa тaлaптaры төрт сaнaтқa бөлінді:болуытиіс, бір өлшемді,тaртымдыжәнебейтaрaп.Соңындa,қaнaғaттaну мен қaнaғaттaнбaудың мәндеріесептелдіжәнестуденттердіңқaнaғaттaну мен қaнaғaттaнбaу деңгейлерінжоғaрылaту мен төмендетудеосытaлaптaр мен қaжеттіліктердіңрөліaйқын aнықтaлды.Түйінсөздер:сaпa, сaпaлық қaжеттіліктер,білімберусaпaсы, Кaно моделі.
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