Toxic Soup

Evan Paul Nadler, MD surgeon at Children's National Medical Center and colleagues from New York University have found laparoscopic adjustable gastric banding (Lap band) to improve the health of morbidly obese adolescents.

The study, reported in the Journal of the American College of Surgeons, involved nearly 50 girls and boys ages 14-17. The participants showed significant decreases in total and android fat mass 2 years after surgery. Android fat has been associated with the development of obesity-related illnesses, such as diabetes, heart disease, and insulin resistance.

"This study is the first to demonstrate the improvements in overall health and distribution of weight loss after Lap band surgery in adolescents," said Evan Nadler, MD, the main author and pediatric surgeon at Children's National. "While weight-loss surgery should always be a last resort for adults and adolescents, these findings show us that surgery in adolescents reduces the risk of significant health complications".

The study observed that Lap band surgery improved glucose metabolism, reducing the adolescents' risk of developing insulin resistance. Additionally, bone mineral density was not impacted by the surgery, suggesting that bone growth is not affected.

Dr. Nadler is the co-director of the Obesity Institute at Children's National Medical Center, which is comprehensively addressing the epidemic of childhood obesity. Staff includes pediatricians, nutritionists, psychology experts, heart specialists, gastroenterologists, and surgeons who treat patients and families in a clinical setting. The Obesity Institute also includes scientists looking at genetic differences and racial disparities, especially among children and adolescents, as well as community-based research among different ethnic groups.

Dr. Nadler was an investigator for Allergan, which makes the device used in the study. Funding was provided by the Harris Obesity Prevention Effort at New York University and performed at NYU Medical Center.


Posted by: Evelyn    Source

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The man who pioneered life-saving treatment for tuberculosis sufferers dies in Edinburgh at the age of 97.

Compression stockings are used to treat disorders like varicose veins, venous ulcers, blood clots, and lymphedema. These stockings apply pressure on veins and tissues that are close to the skin. The pressure ensures that the amount of blood that the veins can carry is restricted. This prevents the veins from swelling beyond a limit. Since the pressure applied by these stockings is highest at the ankle and lesser towards the upper parts of the leg, the blood is forced back to the heart. They also apply pressure on the tissues below the skin. These tissues transfer the pressure to the blood which gets pumped into the capillaries that go into the deeper tissues of the leg.

Effect on Varicose veins
Varicose veins are veins that cannot properly send blood to the heart because of the malfunctioning of the valves that are supposed to prevent the blood from flowing backwards. Veins of legs tend to be more susceptible to this condition because they have to withstand the pressure of standing and walking. Compression stockings artificially reduce the diameter of the veins and the blood circulation is partially normalized.

DVT/PTS
These stocking are also used to treat deep vein thrombosis (DVT). In this case blood is forced into the deeper veins where the blood has clotted. This usually happens to passengers who travel for long periods in planes that do not have properly adjusted humidity levels. Low humidity leads to DVT. The condition is commonly referred to as 'economy class syndrome'. Often patients who have DVT develop Post Thrombotic Syndrome (PTS). This disorder can be prevented by the use of compression stockings. Thus patients with DVT are suggested to wear them for two years after they have had DVT.

Other Uses
Compression stockings are worn by pregnant women too because their blood vessels are affected by pregnancy induced hormonal changes. This is because they produce more blood to ensure that the growing fetus gets the oxygen and nutrients it needs. These stockings are also prescribed for patients with lymphedema because they prevent the accumulation of lymph by preventing the fluid from seeping out of the capillaries.

It must be noted that these stockings are not similar to socks used by athletes to enhance performance. The pressure applied by these stockings is much higher and physician's prescriptions are required to purchase some types of compression stockings. The stockings are difficult to put on and require gloves to be worn on feet to reduce friction.



Posted by: Evelyn    Source

Bugs and worms battle in space for medical science