الأحد، 8 نوفمبر 2015

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Chrondroitin outperforms celecoxib in knee osteoarthritis study

Posted: 07 Nov 2015 03:01 PM PST

For the first time, chondroitin sulfate has been more successful than celecoxib in reducing the long-term progression of knee osteoarthritis (OA), according to new research findings.

Mechanical and manual cpr produce equivalent survival rates for cardiac arrest patients

Posted: 07 Nov 2015 02:29 PM PST

Mechanical CPR, in which a device is used by Emergency Medical Service (EMS) providers to deliver automated chest compressions during cardiac arrest resuscitation care, is associated with an equivalent survival rate for patients experiencing cardiac arrest outside of the hospital as manual CPR, according to new findings. The study is the first large scale, real-world proof that mechanical CPR may be an equivalent alternative to manual CPR for treating patients experiencing extensive cardiac arrest episodes and requiring advanced life support services.

Pedometers: The new prescription for rheumatoid arthritis

Posted: 07 Nov 2015 02:29 PM PST

Using a pedometer to measure the number of steps one takes in a day has been linked to lower fatigue in persons with rheumatoid arthritis, according to new research.

Tai Chi found to be as effective as physical therapy for knee osteoarthritis

Posted: 07 Nov 2015 02:29 PM PST

Both Tai Chi and physical therapy positively impact pain, function and other symptoms of knee osteoarthritis – making Tai Chi a viable treatment alternative for people suffering with the degenerative disease, according to new research.

Exercise program in senior centers helps decrease participants' pain and improve mobility

Posted: 07 Nov 2015 02:27 PM PST

A study finds that a low-impact exercise program is improving quality of life for many older adults with arthritis and other musculoskeletal conditions. The program, offered by Hospital for Special Surgery, has helped decrease pain, improve mobility and enhance the overall health of many participants.

Tomatoes get boost in growth, antioxidants from nano-sized nutrients

Posted: 07 Nov 2015 04:47 AM PST

Researchers are using nano-sized nutrients to boost production of food without straining natural resources.

Diverse subtypes of serotonin-producing neurons uncovered

Posted: 07 Nov 2015 04:47 AM PST

It used to be enough to call a serotonergic neuron a serotonergic neuron. These brain cells make the neurotransmitter serotonin, which helps regulate mood, appetite, breathing rate, body temperature and more. Recently, however, scientists have begun to learn that these neurons differ from one another -- and that the differences likely matter in dysfunction and disease.

Racial disparities associated with living kidney donation assessed

Posted: 07 Nov 2015 04:47 AM PST

Increasing median income levels of transplant candidates' zip codes were associated with higher rates of living donation, but African American candidates living in the wealthiest neighborhoods had only slightly higher rates than rates seen among the lowest median income areas for Caucasians.African-American donors had higher rates of complications early after donation.

Cholesterol-lowering 'portfolio diet' also reduces blood pressure

Posted: 07 Nov 2015 04:47 AM PST

A diet developed for reducing cholesterol also lowers blood pressure, a new study has found. The portfolio diet lowered blood pressure by an average two per cent, when compared with another diet recommended to reduce hypertension.

Thiazide may pose some risk for congestive heart failure patients

Posted: 06 Nov 2015 12:31 PM PST

Thiazide, a popular diuretic for lowering high blood pressure, may not excrete salt as expected in patients with congestive heart failure and or dehydration and should be taken with caution, say researchers.

Promising results in study of pediatric neuroblastoma

Posted: 06 Nov 2015 11:46 AM PST

Scientists have identified a new treatment approach for a highly aggressive and usually fatal subtype of neuroblastoma.

HIV prevention: New look at PrEP study points to efficacy for transgender women

Posted: 06 Nov 2015 11:45 AM PST

In a new look at the groundbreaking iPrEx trial for people at high risk of HIV infection, researchers have identified strong evidence of efficacy for transgender women when PrEP, a two-drug antiretroviral used to prevent HIV, is used consistently.

Tenofovir linked with acute kidney injury in HIV-infected patients

Posted: 06 Nov 2015 10:31 AM PST

Acute kidney injury (AKI) associated with tenofovir disoproxil fumarate (TDF) was prevalent among HIV-infected patients and demonstrated a high morbidity rate in a new center-based study. More than half of patients with TDF-associated AKI did not recover baseline kidney function during follow-up, and about one-third of the patients required dialysis, according to new research.

Gut microbiota changes in diabetic kidney disease contribute to chronic inflammation and vascular complications

Posted: 06 Nov 2015 10:31 AM PST

Among patients with type 2 diabetes and advanced chronic kidney disease (CKD), a shift in gut microbiota diversity in combination with elevated plasma zonulin levels substantially impacts the degree of chronic inflammation and endothelial dysfunction. Zonulin could be a potential future target to control inflammatory immune responses, according to a new study.

MRI-based screening improves assignment of stroke patients to endovascular treatment

Posted: 06 Nov 2015 10:29 AM PST

A new system for determining which patients with severe strokes are most likely to benefit from catheter-based systems for blood clot removal led to a greater percentage of screened patients receiving treatment and to outcomes similar to recent studies that found significant treatment benefits.

Kidney transplantation prolongs survival compared with home hemodialysis

Posted: 06 Nov 2015 10:29 AM PST

Among kidney failure patients who were followed for five years, home hemodialysis patients were four times more likely to die than kidney transplant recipients. In elderly kidney failure patients, home hemodialysis patients had nearly a five times higher risk of dying during follow-up than kidney transplant patients.

Transplant tourism increases health-related risks for organ recipients

Posted: 06 Nov 2015 10:29 AM PST

Compared with recipients of living related kidney donor transplants, recipients who purchased organs internationally were more likely to develop hepatitis C, hepatitis B, and cytomegalovirus, and they were more likely to experience acute and recurrent rejections and surgical complications. Patient and organ survival rates were also lower in 'commercial' recipients.

Lowering blood pressure below current targets benefits a wide range of patients

Posted: 06 Nov 2015 08:39 AM PST

Using intensive treatment to lower blood pressure below currently recommended targets significantly reduces rates of major cardiovascular events like stroke and heart attack among a wide range of high-risk patients, according to a large meta-analysis involving almost 45000 individuals.

Helping mothers to help preemies

Posted: 06 Nov 2015 06:07 AM PST

A new article provides advice from physicians for women planning a pregnancy and takes a look at premature delivery.

Scratching the surface of skin disease

Posted: 06 Nov 2015 03:35 AM PST

Full genomic sequencing of all 14 species of the Malassezia genus opens up possibility of new treatments for microbially-mediated skin diseases.

Investigational treatment may restore kidney function in patients with renovascular disease

Posted: 06 Nov 2015 03:30 AM PST

A treatment consisting of vascular endothelial growth factor fused to a bioengineered carrier promotes the recovery of kidney function in pigs with a disease frequently observed in patients in which the kidneys' arteries are blocked.

Fighting head lice effectively with plasma

Posted: 06 Nov 2015 03:27 AM PST

Once head lice have attached themselves to hair follicles, they can deftly evade detection and are therefore hard to kill. Infestations of these bloodsucking parasites are commonly dealt with using chemicals and a specialized nit comb. Researchers are now developing a technological comb that can reliably eliminate head lice using plasma with no biocide agents or chemicals.

Detecting arthritis with light

Posted: 06 Nov 2015 03:27 AM PST

Joint inflammation (arthritis) is a common problem in medical practice and can be due to a variety of causes. Many types of inflammatory disorders affecting the joints belong to the diverse group of rheumatic diseases. The most common ones are rheumatoid arthritis and osteoarthritis which frequently affect the joints of the hands. These joint diseases are chronic in nature and cannot be cured yet. However, an early diagnosis and thus early medical treatment tremendously improves long-term outcome. That is why experts are developing a finger scanner which in the future will allow arthritis of the hands to be diagnosed at a very early stage.

Robotic worm for head surgery can cut around corners

Posted: 06 Nov 2015 03:27 AM PST

Removing tumors from within the inner ear is a very delicate matter that typically requires surgeons to remove the entire mastoid bone. However, in the future, all doctors will need to do is cut a tunnel of 5 mm in diameter through the bone using a miniature robot named NiLiBoRo. The system is capable of adjusting its path while drilling through bone to steer around sensitive tissue such as blood vessels and nerves.

Medicines for breast cancer: The affordability controversy

Posted: 06 Nov 2015 03:23 AM PST

New and better drugs to treat diseases such as advanced breast cancer will have little effect on improving patient outcomes if a country does not have good health-care structures in place.

Bariatric surgery is safe option for managing type 2 diabetes in overweight or mildly obese patients

Posted: 05 Nov 2015 01:05 PM PST

Weight-loss surgery, long considered a treatment largely reserved for people with severe obesity, may also be a good and safe option for the treatment of uncontrolled type 2 diabetes in those who are overweight or have mild to moderate obesity.

Gastric balloon in a pill helps patients lose weight without surgery or endoscopy

Posted: 05 Nov 2015 01:05 PM PST

A new gastric balloon that can be swallowed like a pill and then filled while in the stomach, helped patients lose more than 37 percent of their excess weight over four months, according to new research.
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