introduction: hypoxemia can occur during upper gastrointestinal endoscopy with or without pharmacological sedation. pulse oximetry saturation (spo2) levels were assessed in patients attending for routine unsedated diagnostic upper gastrointestinal endoscopy to identify factors associated with oxygen desaturation. methods: a total of 300 patients who underwent upper gastrointestinal endoscopy wi...

Urea Nitrogen to Creatinine Ratio Related Information: Creatinine, Serum or Plasma Osmolality, Serum Urea Nitrogen, Serum or Plasma Synonyms: BUN to Creatinine Ratio Test includes: Serum creatinine and serum urea nitrogen. Background: Useful to distinguish between preand postrenal diseases, gastrointestinal bleeding, and renal diseases. High BUN/creatinine ratio: Decreased renal perfusion, hypo...

BACKGROUND Eosinophilic esophagitis (EoE) is related to allergic diseases such as bronchial asthma (BA), atopic dermatitis, and allergic rhinitis. The aim of this study was to examine the eosinophil infiltration in the upper gastrointestinal (GI) tract in patients with BA using esophagogastroduodenoscopy. METHODS Patients with BA who had upper GI tract symptoms were enrolled. Patients who rec...

aim : the present study aimed to evaluate the prevalence of positive family history of these cancers in a large population-based sample of tehran province, capital of iran. background : upper gastrointestinal (ugi) cancers (gastric and esophagus cancer) constitute a major health problem worldwide. a family history of cancer can increase the risk for developing cancer and recognized as one of th...

BACKGROUND Lactase is an enzyme involved in the hydrolysis of lactose. Deficiency of the enzyme (hypolactasia) may be determined genetically or arise secondarily to disease of small intestine. Under this condition, lactose enters the colon where it is fermented by intestinal microflora and turns to gases and short-chain fatty acids, causing gastrointestinal symptoms known as lactose intolerance...

Introduction: Gastroesophageal reflux disease (GERD) includes all consequences of reflux acid or other irritants (pepsin, duodenal contents in liver biliary diseases) from the stomach into the esophagus. The main cause of gastroesophageal and duodenogastral reflux is incompetence of the antireflux barriers at the esophagogastric junction. Object: To determine the prevalence of ORL’ symptoms in ...

Background: the Iron deficiency anemia (IDA) is a common cause of referral to medical departments. Chronic gastrointestinal (GI) blood loss is important cause of IDA and also an alarming sign of serious underlying disease. The information concerning ideal evaluation of the gastrointestinal tract in patients with the IDA is scant. We designed a prospective study to determine the frequency of GI ...

INTRODUCTION True hepatic artery aneurysms (HAAs) are rare, and when complicated by gastrointestinal haemorrhage, it becomes an even rarer disease entity. The mortality is high and imaging may fail to provide the diagnosis. We present a case of a true hepatic artery aneurysm complicated by a fistula to the duodenum which was first recognised during surgery. PRESENTATION OF CASE A 77-year-old ...