Study Highlights: , Jun 18, 2012 (GlobeNewswire via COMTEX) -- During 10 years ending in 2006, hospitalizations for children with high blood pressure increased dramatically. -- Related hospital charges to treat them also soared. -- Researchers suggest healthcare providers address healthy lifestyle habits during children's well visits to reduce risk of hypertension.

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DALLAS, June 18, 2012 (GLOBE NEWSWIRE) -- Hospitalizations for children with high blood pressure and related charges dramatically increased during 10 years ending in 2006, according to a study published in the American Heart Association journal Hypertension.

This nationally-based study is the first in which researchers examined hypertension hospitalizations in children.

While researchers expected a rise in hospitalizations due to the increased frequency of high blood pressure in children, "the economic burden created by inpatient childhood high blood pressure was surprising," said Cheryl Tran, M.D., study lead author and pediatric nephrology fellow in the Department of Pediatric Nephrology at the University of Michigan in Ann Arbor.

Researchers obtained discharge records from the Healthcare Cost and Utilization Project (HCUP) Kids' Inpatient Database from 1997, 2000, 2003 and 2006.

They found:

        
          --  Pediatric hypertension-related hospitalizations in the United States
              nearly doubled, from 12,661 in 1997 to 24,602 in 2006.
          --  Charges for inpatient care for hypertensive children increased by 50
              percent, reaching an estimated $3.1 billion. That does not include
              outpatient charges, a figure that remains unknown nationwide.
          --  The most significant increases in healthcare charges were for children
              with hypertension and end stage kidney disease.
          --  Average length of stay for children with hypertension was double that of
              children with other illnesses, eight days compared to four days.
        
        
        

Researchers hypothesize that the increasing hospitalizations may in part be due to the rise in childhood obesity.

Children hospitalized with hypertension were more likely to be older than 9 years, male, African-American and treated in a teaching hospital.

Overall, the most common diagnoses for hospitalized children were pneumonia, acute appendicitis and asthma. When hypertension was the primary diagnosis, convulsive disorder, headache, obesity and systemic lupus erythematosus were the most common secondary diagnoses.

When high blood pressure was in any diagnoses, the most common primary diagnoses were lupus, complications of kidney transplant, pneumonia and acute proliferative glomerulonephritis, a condition in the kidney that causes inflammation that can result in hypertension.

Physicians should address healthy lifestyle habits during children's well visits to reduce hypertension, Tran said.

"A child with high blood pressure is at increased risk for having high blood pressure in adulthood and the heart and stroke risks that come with that diagnosis," she said.

Hypertension is present in 1 percent to 3 percent of children in the United States.

Among children ages 2 to 19 years, 31.7 percent are overweight (23.6 million) and 16.9 percent are obese (12.6 million), according to American Heart Association statistics.

Co-authors are Brett J. Ehrmann, B.A.; Kassandra L. Messer, B.A.; Emily Herreshoff, B.A.; Amber Kroeker, M.P.H.; Larysa Wickman, M.D.; Peter Song, Ph.D.; Nicole Kasper, M.P.H. and Debbie S. Gipson, M.D. Author disclosures are on the manuscript.

A research training grant in pediatric nephrology funded the study.

Learn more about high blood pressure in children. Learn more about preventing and managing childhood obesity and reducing sodium in the diets of American children.

Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the association's policy or position. The association makes no representation or guarantee as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at www.heart.org/corporatefunding .

NR12-- 1085 (Hypertension/Tran)

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