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Somnia Anesthesia: 3rd Study Confirms Anesthesia Improves Outcomes In Colonoscopies
More pre-cancerous polyps were found in colonoscopies performed with deep sedation primarily using Propofol than with milder sedation in which patients remained conscious, according to a recent study conducted by Katherine Hoda, M.D. of Oregon Health and Science University. This improvement in cancer detection will save lives and reduce the number of patients requiring surgery and chemotherapy.
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Latin America Must Cut Blood Pressure To Thrive
Combating high blood pressure is a global challenge. But while developed countries have enjoyed reductions in cardiovascular disease over recent decades, Latin America has been less fortunate. In fact new research published in the journal Therapeutic Advances in Cardiovascular Disease shows that high blood pressure is on the increase in many Latin American countries, a situation set to worsen unless immediate action is taken.
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Repeated Stress Signals Made In Cells With Metabolism-Associated Disease Encourage The Growth Of Invading Bacteria
Mitochondrial diseases disrupt the power generating machinery within cells and increase a person"s susceptibility to bacterial infection, particularly in the lungs or respiratory tract. A new study published in Disease Models & Mechanisms (DMM), shows that infection with the pneumonia causing bacteria Legionella, is facilitated by an increased amount of a signaling protein that is associated with mitochondrial disease.
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Gene Hunters Target Child Kidney Failure

Researchers are zeroing in on the genetic abnormalities predisposing to vesicoureteric reflux (VUR), one of the most common causes of urinary tract infections and kidney failure in children, reports a study in an upcoming issue of the Journal of the American Society of Nephrology (JASN). "In this study, we accomplished a very critical step towards the identification of the VUR gene," says Ali G. Gharavi, MD (Columbia University, New York). Led by Patricia L. Weng, MD (Mount Sinai School of Medicine), and Simone Sann-Cherchi, MD (Columbia University), the researchers, including Gharavi, performed genetic studies in 16 large families affected by VUR. "In VUR, a faulty valve in the bladder allows urine to flow back, or "reflux," up to the kidneys," Gharavi explains. If VUR persists, it can lead to repeated urinary tract infections and kidney failure. It affects about one percent of children and runs in families. A method called linkage analysis was used to pinpoint the location of the abnormal genes associated with VUR. "We narrowed down the location of the VUR susceptibility gene to a region on chromosome 12 that is less than one percent of the entire genome," says Gharavi. In contrast to previous studies, the VUR susceptibility gene appeared to be inherited in autosomal recessive fashion affected children inherit one copy of the faulty gene from each parent. According to Gharavi, "This means that there are many different inherited forms of VUR, some with dominant and some with recessive inheritance." The next step will be conducting studies to identify the exact gene predisposing to VUR. "We plan to study more families and other patients with VUR so that we can better understand how the kidney and urinary tract develop and then create better diagnostic tests and treatments," Gharavi adds. Although the study does not identify the gene causing VUR, it represents the initial, critical step towards achieving that goal. The study was limited to a specific group of Caucasian patients; more research will be needed to determine whether the results apply to other populations and ethnicities. The authors reported no financial disclosures. The research was supported by the National Institute of Diabetes and Digestive and Kidney Diseases, the National Kidney Foundation, and the Telethon Institute. Founded in 1966, the American Society of Nephrology (ASN) is the world"s largest professional society devoted to the study of kidney disease. Comprised of 11,000 physicians and scientists, ASN continues to promote expert patient care, to advance medical research, and to educate the renal community. ASN also informs policymakers about issues of importance to kidney doctors and their patients. ASN funds research, and through its world-renowned meetings and first-class publications, disseminates information and educational tools that empower physicians. American Society of Nephrology (ASN)


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