منابع مشابه
Why portal hypertensive varices bleed and bleed: a hypothesis.
Continued bleeding or early rebleeding is associated with a poor prognosis in patients with variceal haemorrhage. It is not clear why bleeding stops in some patients and continues or restarts in others. It is suggested that secondary haemodynamic changes in the splanchnic circulation after a bleed may contribute to the risk of further bleeding. These changes include the effects of hypotension o...
متن کاملTo bleed or not to bleed, that is the question.
nature reserve in the Saudi Arabian desert. It has been a dry winter, with virtually no rain since the previous spring.The hoopoe larks are quiet this year. Occasionally a male whistles his song and dances vertically up and down in the air – about 5 metres up, then, after a somersault , back to the ground or the bush that he started from. In some years, every territory contains a dancing male. ...
متن کاملLower Gastrointestinal Bleed
Lower GI bleeding (LGIB) is defined as bleeding that occurs from the bowel distal to the ligament of Treitz. The term ‘’lower gastrointestinal bleeding’’ is therefore a misnomer as it includes both small and large bowel bleed. Advent of capsule and double-balloon endoscopy has revolutionized the management of small bowel bleeding and it is accepted that small bowel bleeding represents a differe...
متن کاملManagement of Non Variceal Bleed
Non –variceal upper gastrointestinal bleeding (UGIB) remains a common and challenging emergency for gastroenterologists and general physician. The annual incidence is 50 to 150 per 100,000 of the population, and even though there have been significant improvements in endoscopic and supportive therapies, the overall mortality remains around 10%, and may even reach 35% in hospitalised patients wi...
متن کاملWhich peptic ulcer patients bleed?
In order to identify factors associated with peptic ulcers which present with bleeding rather than with pain, we have prospectively evaluated patient and endoscopic features in 139 consecutive patients presenting with acute bleeding and 74 presenting with pain found to have peptic ulceration at endoscopy. Patients with bleeding were more likely to have taken non-steroidal anti-inflammatory drug...
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ژورنال
عنوان ژورنال: Journal of Heredity
سال: 1916
ISSN: 1465-7333,0022-1503
DOI: 10.1093/oxfordjournals.jhered.a110660