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Science News Archive September 1999


Page 1 of 5

Who should have heart bypass surgery? New guidelines will help doctors, patients decide together

The new guidelines chart the rapid evolution of bypass surgery techniques and provide a framework for physicians to evaluate risks and benefits with their patients. The report categorizes heart patients into groups that predict how well bypass will work for them based on various factors.

SourceMichigan Medicine - University of Michigan·JournalJournal of the American College of Cardiology·DateSep 30, 1999

Keep taking the medicine, diabetes research warns

A recent study found that nearly half of people with type 2 diabetes stop taking their oral anti-diabetic drugs (OADs), leading to a higher risk of complications such as blindness, amputation, and cardiovascular problems. The study revealed that individuals who discontinued treatment were almost three times more likely to die than thos...

Laser heart treatment shown to be safe and effective at lowering pain associated with heart disease

Researchers found that transmyocardial laser revascularization (TMR) improves angina by at least 2 classes in 72% of patients, while also increasing myocardial perfusion by 20%. TMR safely and effectively improved heart function over a 12-month period, driving its use with difficult bypass and angioplasty procedures.

SourceRush University Medical Center·JournalNew England Journal of Medicine·DateSep 29, 1999

Robots to the rescue

A robotic caterpillar, Moccasin II, has been developed to navigate through gas, water, and sewerage pipes in buildings damaged by earthquakes or explosions. The robot can successfully navigate multiple 90-degree bends and is equipped with lights, a video camera, and microphones to detect survivors.

SourceNew Scientist·JournalThe New Scientist·DateSep 29, 1999

Pollution makes crustaceans adapt rapidly

Biologists at Cornell University and Max Planck Institute found that Daphnia crustaceans can evolve quickly to cope with polluted water. The study showed that these tiny crustaceans adapted to handle less nutritious food, becoming a natural control for toxic cyanobacteria in Lake Constance.

SourceCornell University·JournalNature·DateSep 29, 1999

Say goodbye to wires in the office

A new device called the chaos mirror is invented to improve infrared networking technology in crowded offices. It uses a box enclosing seven highly reflective surfaces to split narrow incoming beams into a widely spread array of reflected beams, vastly increasing the chances of beam finding its target.

SourceNew Scientist·JournalThe New Scientist·DateSep 29, 1999

Review identifies factors leading to better outcome for some metastatic breast cancer patients

Researchers found that patients who previously received hormone therapy with tamoxifen, had no prior chemotherapy, and had limited metastases were more likely to live longer after high-dose chemotherapy with transplant. This study suggests that closely monitoring high-risk patients can improve treatment outcomes.

SourceDuke University Medical Center·JournalJournal of Clinical Oncology·DateSep 29, 1999

Reports from special environmental health issue explore links to autoimmune diseases - diabetes, lupus, multiple scleroris and arthritis

Research highlights potential causes of autoimmune diseases, including prenatal exposure to environmental chemicals and certain dietary factors. Studies also explore links between ultraviolet radiation, stress, and exposure to heavy metals.

SourceNIH/National Institute of Environmental Health Sciences·JournalEnvironmental Health Perspectives·DateSep 28, 1999

Perchlorate found in fertilizers

A study has identified perchlorate in fertilizers, a chemical compound suspected of adverse health effects. The findings suggest that fertilizers could be a source for perchlorate accumulation in the food chain, posing risks to human health and ecosystems.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateSep 28, 1999

Elderly heart attack patients fare well with managed care

A study by Harvard Medical School found that elderly patients with acute myocardial infarction (AMI) covered by non-profit health maintenance organizations (HMOs) received higher use of lifesaving therapy and emergency transportation compared to those with fee-for-service insurance. HMOs improved access to timely urgent care, particula...

SourceHarvard Medical School·JournalArchives of Internal Medicine·DateSep 27, 1999