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Larger blood reserves needed for ageing population
Larger reserves of blood will be needed as the population ages, predict researchers in this week's BMJ. They recorded the use of nearly 10,000 units of red blood cells from all NHS hospital blood banks in the north of England. More than half (52%) of all units were given to medical patients, 41% to surgical patients, and 6% to obstetric and... view more... (2002-10-09)
Bariatric surgery linked to reduced blood pressure at 18 months after surgery
The prevalence of hypertension (high blood pressure) appears to decline and remain low after bariatric surgery, and blood pressure drops the most among patients who had untreated hypertension before the procedure, according to a study in the March issue of Archives of Surgery, one of the JAMA/Archives journals. view more (2006-03-21)
Dinosaurs in bullet-proof vests
Some dinosaurs possessed a hard bony armoured shell similar to today's crocodiles or tortoises - presumably to protect themselves from enemies. The structure of some kinds of this armour seems to be far more complex than was hitherto assumed. Palaeontologists of the University of Bonn were able to demonstrate that some of this armour plating shows... view more... (2004-11-15)
Study Examines Ethnic Differences in Sleep Quality and Blood Pressure
n the United States, African Americans have higher blood pressure and are at greater risk of hypertension than whites. In addition, African Americans report poorer sleep quality and exhibit a smaller nighttime decrease in blood pressure than whites, a phenomenon called blood pressure "dipping." view more (2007-10-30)
New treatment for severe malaria
The most dangerous form of malaria is difficult to treat and claims two million lives a year. Now, researchers at Karolinska Institutet in Sweden have developed a powerful new weapon against the disease. view more (2006-10-02)
FURTHER STEPS TOWARDS A VACCINE AGAINST HIV
For white blood cells in the human body to be infected by the HIV virus, proteins in the virus must be allowed to interact with a number of different components on the surface of the white blood cell. Ideally anti-HIV preventive therapy or vaccines would prevent several of these interactions taking place and would, therefore, reduce the likelihood... view more... (1999-03-11)
How Much Hypertension Can Be Affected By Daytime Stress?
A group of Italian investigators led by Drs Francesco Fallo (Department of Medical and Surgical Sciences, University of Padova) and Dr Nicoletta Sonino (Department of Mental Health, Padova) explores a neglected issue: the relationship between daytime stress and the physiological lowering of blood pressure which should occur during sleep (dipping).... view more... (2002-11-20)
Chemotherapy with bevacizumab increases risk of blood clots in arteries
Treatment with chemotherapy and bevacizumab, an anticancer drug, is associated with a greater risk of blood clots in patients' arteries compared with treatment with chemotherapy only. view more (2007-08-08)
Is Body Mass Index A Risk Factor For Road Traffic Injuries?
Drivers who are overweight or underweight are at greater risk of suffering an injury in a road accident than people of average size, according to a study of deaths and injuries from motor vehicle accidents in New Zealand. The study appears in the current issue of the International Journal of Epidemiology (IJE), edited in the Department of Social... view more... (2003-04-25)
New Technique For Measuring Blood Flow To Brain In Babies (p 1749)
Authors of a research letter in this week's issue of THE LANCET describe how an ultrasound technique can be used as a non-invasive way of measuring blood flow to the brain in babies, which may be of benefit to infants with brain disorders arising from restrictions in cerebral blood flow. Changes in the rate of blood flow to the brain in premature... view more... (2002-11-27)
New method identifies rat poison in humans
Researchers at the Norwegian Institute of Public Health (NIPH) have developed a method to identify bromadiolone poisoning in humans. Bromadiolone is a rat poison that can be purchased freely in shops. A number of cases have been reported internationally where people have been poisoned, with a mortality rate of 20 percent. view more (2008-05-28)
Genetic testing not cost-effective in guiding initial dosing of common blood thinner
New analyses led by the University of Cincinnati (UC) show that genetic testing used to guide initial dosing of the blood-thinner warfarin may not be cost-effective for typical patients with atrial fibrillation but may be for patients at higher risk for major bleeding. view more (2009-01-20)
Eyes may provide window to future strokes
Looking into our eyes may help doctors predict who is at risk for stroke. A new study found that people with changes in the small blood vessels in their eyes are more likely to later suffer a stroke than people without these signs. view more (2005-10-11)
New Approach For Reducing Bleeding After Surgery
Encouraging findings from a study in this week's issue of THE LANCET suggest that factor VII-an agent involved in blood clotting-could be effective in reducing excessive blood loss during abdominal surgery. Factor VII has been shown to promote blood clotting in patients with haemophilia. Marcel Levi from Academic Medical Centre,... view more... (2003-01-16)
Rethinking Alzheimer's disease and its treatment targets
The standard explanation for what causes Alzheimer's is known as the amyloid hypothesis, which posits that the disease results from of an accumulation of the peptide amyloid beta, the toxic protein fragments that deposit in the brain and become the sticky plaques that have defined Alzheimer's for more than 100 years. view more (2009-09-23)
Low vitamin D levels may be common in otherwise healthy children
Many otherwise healthy children and adolescents have low vitamin D levels, which may put them at risk for bone diseases such as rickets. view more (2007-07-09)
Blame the brain for high blood pressure
The controversial idea that one cause of high blood pressure lies within the brain, and not the heart or blood vessels, has been put forward by scientists at the University of Bristol, UK, and is published this week in the journal Hypertension. view more (2007-04-16)
Working while pregnant more than quadruples risk of pre-eclampsia
Women who work during pregnancy are almost five times as likely to develop pre-eclampsia, concludes research in the Journal of Epidemiology and Community Health. view more (2002-04-15)
`White coat effect` has adverse effect on blood pressure readings
GPs should not make decisions about treating patients with hypertension based on high readings of blood pressure they have taken, finds a study in this week`s BMJ. Instead, researchers recommend the use of home measurements by the patient or repeated measurements by a nurse, to counter the `white coat` effect. The aim of the research was to assess... view more... (2002-07-31)
Repair not destruction: A new approach to treating retinopathy
Many diseases of the eye (such as retinopathy of prematurity (ROP) and diabetic retinopathy) that result in loss of vision are the result of the growth of abnormal blood vessels that leak and bleed. view more (2006-11-17)
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