Public Health News Roundup: February 1
New CT Device Offers Improved Imaging, Substantially Reduced Radiation
A new type of CT scanner from National Institutes of Health (NIH) researchers and engineers at Toshiba Medical Systems offers improved image quality while reducing the amount of potentially harmful radiation to patients by as much as 95 percent. This device will enable doctors to better diagnose conditions such as heart disease, according to coauthor Andrew Arai, MD, chief of the Cardiovascular and Pulmonary Branch at the NIH’s National Heart, Lung, and Blood Institute (NHLBI). Author Marcus Chen, MD, a clinician in the NHLBI’s Advanced Cardiovascular Imaging Laboratory, said the “improvements could help clinicians identify problems in even the smallest blood vessels or enable them to conduct complicated tests like measuring blood flow in the heart while limiting radiation exposure.” The U.S. Food and Drug Administration has approved the CT scanner, which still requires additional study. Read more on heart health.
Study: Black Patients Less Likely to Receive Kidney Transplants before Needing Dialysis
Patients who are black or do not have private insurance are less likely than others to receive a kidney transplant before having to go on dialysis, according to a new study in Clinical Journal of the American Society of Nephrology. The study was conducted by researchers at the Johns Hopkins University School of Medicine, including lead author Morgan Grams, MD, who told Reuters it shows "just another disparity" for African American patients. Douglas Scott Keith, MD, head of the kidney transplant program at the University of Virginia Medical Center in Charlottesville and not part of the study, said studies "over the last 10 to 15 years have consistently shown that minorities have poorer access to transplantation. This article basically shows that it's persisting, it hasn't gotten much better.” African American patients are about 56 percent less likely than white patients to receive a kidney transplant before needing dialysis. Read more on health disparities.
Medical School Conflict of Interest Policies May Affect New Doctors’ Prescription Habits
Doctors who graduate from medical schools with policies restricting gifts from pharmaceutical companies may be less likely to prescribe new medications over current options, according to a new study in the BMJ. "Our findings suggest that conflict of interest policies, which have been increasingly adopted by medical schools since 2002, may have the potential to substantially impact clinical practice and reduce prescribing of newly marketed pharmaceuticals," wrote Marissa King, an assistant professor of organizational behavior at the Yale University School of Management, and colleagues. The researchers say further study is needed to determine whether the measures affect the prescription of all new medications, or if the effect is more selective. Read more on prescription drugs.