esophagitis/hypoxia

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Esophagoprotective activity of angiotensin-(1-7) in experimental model of acute reflux esophagitis. Evidence for the role of nitric oxide, sensory nerves, hypoxia-inducible factor-1alpha and proinflammatory cytokines.

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Gastroesophageal reflux disease (GERD) is a global disease rapidly increasing among world population. The pathogenesis of reflux esophagitis which is considered as the early stage of GERD is complex, resulting from an imbalance between aggressive factors damaging the esophagus and a number of the

Hypoxia-inducible factor-2α plays a role in mediating oesophagitis in GORD.

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In an earlier study wherein we induced acute reflux by interrupting proton pump inhibitor (PPI) therapy in patients with reflux oesophagitis (RO) healed by PPIs, we refuted the traditional concept that RO develops as an acid burn. The present study explored our alternative hypothesis that RO results

Assessment the effect of midazolam sedation on hypoxia during upper gastrointestinal endoscopy.

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The aim of this study was to evaluate the prevalence of hypoxia related to midazolam sedation during upper gastrointestinal endoscopy. This single blind randomized placebo control clinical trial, carried out on 180 patients who referred to endoscopy clinic at Imam Khomeini Hospital for selective

A new paradigm for GERD pathogenesis. Not acid injury, but cytokine-mediated inflammation driven by HIF-2α: a potential role for targeting HIF-2α to prevent and treat reflux esophagitis.

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Traditionally, reflux esophagitis was assumed to develop as a caustic, chemical injury inflicted by refluxed acid. Recently, however, studies in rats and humans suggest that reflux esophagitis develops as a cytokine-mediated inflammatory injury, with hypoxia inducible factor (HIF)-2α playing a major

Phase I study of evofosfamide, an investigational hypoxia-activated prodrug, in patients with advanced leukemia.

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Tumor hypoxia causes resistance to radiation and chemotherapy. Evofosfamide (TH-302) has exhibited specific hypoxia-dependent cytotoxicity against primary acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) samples in vitro. Based on these findings, a Phase I study of evofosfamide

Reflux esophagitis and its role in the pathogenesis of Barrett's metaplasia.

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Reflux esophagitis damages the squamous epithelium that normally lines the esophagus, and promotes replacement of the damaged squamous lining by the intestinal metaplasia of Barrett's esophagus, the precursor of esophageal adenocarcinoma. Therefore, to prevent the development of Barrett's metaplasia

Epithelial HIF-1α/claudin-1 axis regulates barrier dysfunction in eosinophilic esophagitis.

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Epithelial barrier dysfunction is a significant factor in many allergic diseases, including eosinophilic esophagitis (EoE). Infiltrating leukocytes and tissue adaptations increase metabolic demands and decrease oxygen availability at barrier surfaces. Understanding of how these processes impact

Severe upper gastrointestinal hemorrhage in the newborn.

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Three infants with severe upper gastrointestinal hemorrhage with esophagogastroduodenoscopic (EGD) findings were reported. The underlying conditions of these infants included Down's syndrome, hypoplastic left heart, and diaphragmatic hernia. The precipitating factors were identified in all cases,

Cardiorespiratory changes during laparoscopic fundoplication in children.

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The results of a prospective assessment of cardiorespiratory changes related to anaesthesia and laparoscopic Nissen fundoplication are described in 25 children aged 1.2 to 14.3 years, weighing 9.0 to 64.0 kg. Respiratory disease or oesophagitis were present in 68% cases. During balanced inhalational

Gastroesophageal reflux in childhood.

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Gastroesophageal reflux (GER) is one of the most frequent symptomatic clinical disorders affecting the gastrointestinal tract of infants and children. During the past 2 decades, GER has been recognized more frequently because of an increased awareness of the condition and also because of the more

[Weil's disease and necrotizing herpes pneumonia as the cause of death of a 39-year-old sewage drain worker].

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Acute leptospirosis in Europe (Weil's disease) is a rare and in more than 90% of the cases undiagnosed febrile, self-limited disease. We report the case of a 39-year-old sewerage worker, who was admitted to our hospital with fever, jaundice, pain in his calves and acute renal failure. Serology

The relationship between angiogenesis and the immune response in carcinogenesis and the progression of malignant disease.

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Recent studies have demonstrated that angiogenesis and suppressed cell-mediated immunity (CMI) play a central role in the pathogenesis of malignant disease facilitating tumour growth, invasion and metastasis. In the majority of tumours, the malignant process is preceded by a pathological condition

Safety and efficacy of esophagogastroduodenoscopy after myocardial infarction.

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OBJECTIVE To analyze the risks versus benefits of esophagogastroduodenoscopy performed soon after myocardial infarction. METHODS We studied 200 patients who underwent endoscopy within 30 days after myocardial infarction with 200 controls matched for age, sex, and endoscopic indication who underwent

Toxicosis associated with ingestion of quick-dissolve granulated chlorine in a dog.

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METHODS A dog was referred for treatment after ingestion of quick-dissolve chlorine granules intended for use in a swimming pool. RESULTS At evaluation 18 hours after ingestion of the granules, the dog had tachypnea, signs of depression, approximately 5% dehydration, oral mucositis, and a productive

A phase II study of cisplatin and irinotecan as induction chemotherapy followed by concomitant thoracic radiotherapy with weekly low-dose irinotecan in unresectable, stage III, non-small cell lung cancer: JCOG 9706.

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OBJECTIVE It is important to identify optimal regimens of cisplatin-based, third-generation chemotherapy and thoracic radiotherapy for patients with unresectable, Stage III, non-small cell lung cancer. METHODS Patients with unresectable, Stage III non-small cell lung cancer were treated with the

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