Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Obesity leads to high blood pressure in the young

08.03.2004


American Heart Association meeting report



It takes about ten years for high blood pressure in young people to develop after they become overweight, and obesity is on a steady upward climb in the young, according to researchers presenting today at the American Heart Association’s 44th Annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Obesity is one of the strongest predictors of hypertension in young adults.


The U.S. Centers for Disease Control and Prevention tracked the health and nutrition of Americans in the National Health and Nutrition Examination Surveys for more than forty years. NHANES I encompassed the years 1971-1974, NHANES II covered 1976-1980, NHANES III covered 1988-1994 and the most recently completed survey, NHANES IV, part I, followed Americans from 1999-2000.

Comparing data from the four surveys, researchers found a trend between overweight and high blood pressure in children 8 to 17 years-old. Rebecca Din-Dzietham, M.D., M.P.H., Ph.D., assistant professor in the social epidemiology research division of the Department of Community Health and Preventive Medicine at Morehouse School of Medicine, and colleagues analyzed data on 3,417 children from NHANES I, 3,039 from NHANES II, 3,432 from NHANES III and 2,211 from NHANES IV. They recorded age, gender, blood pressure and body mass index (BMI, an index of height-adjusted weight) on black and white children.

The researchers categorized the children based on definition from the National Task Force on High Blood Pressure in Children and Adolescents. Children with blood pressure in the 90th percentile or above were classified as having high blood pressure. Children with BMI in the 95th percentile or above were classified as obese according to the CDC growth chart. Overweight was defined as BMI in the 85th to 94.9th percentile range. Normal weight was below the 85th percentile.

High blood pressure among children decreased between NHANES I (1971) and NHANES III (1988). However, between NHANES III and IV, (1988 and 1999), high blood pressure rose sharply.

The increase in high blood pressure prevalence was greater among obese children than in children with lower BMIs. Prevalence of high blood pressure increased 4.2 percent in overweight children, 3.5 percent in obese children and 2.6 percent in normal weight children between NHANES III and NHANES IV. Similar patterns were seen for both systolic and diastolic blood pressure.

The increase in high blood pressure follows 10 years after an increase in body mass index years in the children.

"The HBP trends in youth mirrors adult trends in hypertension," said Din-Dzietham. "After NHANES II, BMIs start climbing like we’re going up Mt. Everest."

Children started eating more fat, eating larger servings and exercising less. Television is often a big factor, as are fewer hours of physical education at school. Parents need to be educated about the importance of body mass index as a ratio of weight over height and not just consider weight.

"Intervention on weight control needs to start early. We know that children with high blood pressure develop signs of heart disease early," she said.

"Weight is the main culprit, and obesity is turning into a major public health risk factor."

Co-authors are Yong Liu, M.S., Rakalle Collins, Ph.D., Gary Gibbons, M.D., Sharon Davis, M.Ed., M.P.A, Ph.D. and Tonya Stancil, Ph.D.

Carole Bullock | EurekAlert!
Further information:
http://www.americanheart.org/

More articles from Health and Medicine:

nachricht Team discovers how bacteria exploit a chink in the body's armor
20.01.2017 | University of Illinois at Urbana-Champaign

nachricht Rabies viruses reveal wiring in transparent brains
19.01.2017 | Rheinische Friedrich-Wilhelms-Universität Bonn

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Traffic jam in empty space

New success for Konstanz physicists in studying the quantum vacuum

An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...

Im Focus: How gut bacteria can make us ill

HZI researchers decipher infection mechanisms of Yersinia and immune responses of the host

Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...

Im Focus: Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.

While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...

Im Focus: Studying fundamental particles in materials

Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales

Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...

Im Focus: Designing Architecture with Solar Building Envelopes

Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.

As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Sustainable Water use in Agriculture in Eastern Europe and Central Asia

19.01.2017 | Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

 
Latest News

Helmholtz International Fellow Award for Sarah Amalia Teichmann

20.01.2017 | Awards Funding

An innovative high-performance material: biofibers made from green lacewing silk

20.01.2017 | Materials Sciences

Ion treatments for cardiac arrhythmia — Non-invasive alternative to catheter-based surgery

20.01.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>