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Exposure to Secondhand Smoke May Lead to Worsening of Pediatric Kidney Disease; Pediatric Nephrology Publishes Dayton Children’s, Johns Hopkins Joint Study
Date:5/21/2013

Dayton, OH (PRWEB) May 21, 2013

In adults with chronic kidney disease (CKD), cigarette smoking is associated with an increased risk for CKD progression and transplant failure. Now, a first-of-its-kind study by researchers at Dayton Children’s Hospital and Johns Hopkins University has found a possible similar effect in children with kidney disease who are exposed to secondhand smoke.

The study of 366 children aged 1 to 16 years is the first study of the effect of secondhand smoke exposure in CKD, according to lead researcher Abiodun Omoloja M.D., Associate Professor of Pediatrics at Wright State University's Boonshoft School of Medicine, and attending pediatric nephrologist at Dayton Children’s.

“Within the study population of children with CKD, the researchers found that 22 percent had been exposed to secondhand smoke. They also discovered that exposure to secondhand smoke was associated with higher presence of proteinuria (an abnormal amount of protein in the urine), which is a strong risk factor for CKD progression,” Dr. Omoloja says.

The researchers were able to identify children's exposure to secondhand smoke by testing for the presence of cotinine, a metabolite of nicotine that shows up in the urine.

The study was published recently in Pediatric Nephrology, the Journal of the International Pediatric Association. The research was funded by the Dayton Children's Foundation.

Researchers were “very surprised” at the relatively high percentage of children exposed to secondhand smoke, says researcher Derek Ng, ScM, of the Johns Hopkins Bloomberg School of Public Health Department of Epidemiology. “Twenty-two percent is very high, considering the known adverse effects of smoking and the health status of this population.”

Going forward, the researchers want to learn more about the causative link between secondhand smoke and the worsening of pediatric kidney disease, using this rich data-set, Ng says.

The Dayton Children's-Johns Hopkins study represents a significant contribution to understanding the adverse effects of secondhand smoke on children, says Karen Wilson, M.D., an associate professor of pediatrics at Children's Hospital Colorado and the University of Colorado-Denver. “Many people think that secondhand smoke is only associated with respiratory illness. So it is very helpful to have this data showing a strong association between secondhand smoke and kidney disease. It highlights some of the systemic effects of secondhand smoke exposure in addition to respiratory problems.

“Going forward, it will be important to continue to do research on the medical effects of secondhand smoke in kids because the physiology of all these may be similar,” Dr. Wilson says. Increasing the understanding of these effects “will help us better protect children, both by helping families quit smoking and also by finding treatments for children who have been exposed to secondhand smoke,” Dr. Wilson says.

About Dayton Children’s Hospital

One of only 38 independent freestanding children’s hospitals in the country, Dayton Children’s is the region’s only medical facility dedicated to children. Accredited by The Joint Commission and serving 20 Ohio counties and eastern Indiana, the experts at Dayton Children’s care for more than 290,000 children each year. Consistently recognized as one of the country’s best and most cost-effective pediatric hospitals, Dayton Children’s is home to the Wright State University Boonshoft School of Medicine, Department of Pediatrics and together with the United States Air Force shares the nation’s only civilian-military integrated pe¬diatric training program. For more children’s health and safety information, visit our web site at http://www.childrensdayton.org.

About Wright State University Boonshoft School of Medicine

Located in Dayton, Ohio, the community-based Wright State University Boonshoft School of Medicine is affiliated with seven major teaching hospitals in southwest Ohio. In addition to providing medical education leading to the M.D., M.D./Ph.D., M.D./M.B.A. or M.D./M.P.H. degree, the medical school provides residency training in 13 medical specialties and continuing medical education programs for the community’s practicing physicians. Its nationally recognized research programs include centers of excellence in genomics, neuroscience, substance abuse and treatment and human growth and development.

About Johns Hopkins Bloomberg School of Public Health

As a leading international authority on public health, the Johns Hopkins Bloomberg School of Public Health is dedicated to protecting health and saving lives. Every day, the Bloomberg School works to keep millions safe from illness and injury by pioneering new research, deploying its knowledge and expertise in the field, and educating tomorrow's scientists and practitioners in the global defense of human life. Founded in 1916 as part of the Johns Hopkins University, the Bloomberg School of Public Health is the world’s oldest and largest independent school of public health. More information: http://www.jhsph.edu.

Read the full story at http://www.prweb.com/releases/2013/5/prweb10754683.htm.


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