February 14, 2011 An analysis finds most of the Food and Drug Administration's most urgent recalls of medical devices involved risky products that made it to market without having been subjected to clinical trials.
These results may be easier to follow without the noise.
February 14, 2011 Alarms on various monitors ring, beep, and do just about everything short of firing off a flare to get a nurse's attention. All that noise tends to wear nurses down, and often it masks the truly important warnings.
February 9, 2011 Medtronic makes the gizmo, called the Revo MRI SureScan Pacing System. In a clinical test that included nearly 500 patients, none had any MRI-related complications.
January 5, 2011 A 6-month-old's mysterious illness leads one doctor to question the value of humidifiers for treating routine colds. Many pediatricians recommend humidifiers to relieve symptoms but hard evidence is lacking.
January 4, 2011 Some 23 percent of implanted cardioverter defibrillators don't meet guidelines, researchers found. Some patients who received implants were recovering from a heart attack or heart bypass surgery.
Metastatic breast cancer cells found in a lymph node.
National Cancer Institute
January 3, 2011 An experimental plastic chip could be used to find even a few cancer cells floating in the blood. Now the health products giant Johnson & Johnson is investing in the technology being developed at a Boston hospital.
Galen Kipe puffs on an electronic cigarette in Ashboro, N.C., in August.
December 8, 2010 A federal appeals court says the FDA can regulate electronic cigarettes as tobacco products but not as medical devices or drugs. That means the FDA, which got sweeping powers to regulate tobacco products in 2009, can't ban electronic cigarettes.
Most gases used in anesthesiology eventually end up in the atmosphere where they trap heat even more effectively than carbon dioxide.
December 6, 2010 Some gases used to anesthetize patients for surgery are hundreds of times more potent at warming the atmosphere than carbon dioxide. The volume of anesthesia gases used worldwide for surgery is about as bad for the climate as 1 million cars.
A CT scan of the brain shows the cerebellum, a small portion of each temporal lobe, and the sinuses.
Andrew Ciscel via Wikimedia Commons
November 29, 2010 A new study shows that CT scans have increased in emergency rooms nearly six-fold since 1995 and show no sign of tapering off. But the findings also suggest that the ER may be overusing or misusing the technology.
An external defibrillator sits on the sidelines at a football practice at Jesuit Preparatory High School in Dallas in 2006.
November 15, 2010 Laymen can save people's lives by using automatic external defibrillators to shock their hearts back to life. But the Food and Drug Administration says a pattern of design and manufacturing problems shows improvements are needed.
November 8, 2010 Doctors are taking less money from industry than they did in 2004, a national survery finds. But it's still the case that most doctors have a financial relationship of some sort with industry. Free drug samples, food and drinks remain common.
Army Captain William Krueger studies CT scans at the National Naval Medical Center in Bethesda, Md.
CWO4 SETH ROSSMAN/NAVY VISUAL NEWS SERVICE
November 5, 2010 The 20 percent mortality reduction found for lung CT screening for heavy smokers is in the same ballpark as the probable benefit from mammograms – which reduce breast cancer deaths by 10 to 30 percent, depending on the age of those screened.
November 4, 2010 A federally funded study provides evidence that a screening test may help fight the nation's top cancer killer. The study, involving heavy smokers, showed CT scans cut deaths by 20 percent. Even so, the approach isn't ready for routine use.
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When the going gets tough in the operating room, it's easy for surgeons and nurses to misplace a sponge or scalpel.
October 6, 2010 Computerized systems for tracking equipment in operating rooms can reduce errors that hurt patients. The Mayo Clinic in Minnesota hasn't lost a sponge inside a patient in more than a year and a half.
September 23, 2010 A heart valve that doctors can implant with a catheter may help patients too frail to undergo open-heart surgery to repair a defective aortic valve.
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