Hands-Only CPR

Study: Hands-Only CPR Can Save More Lives

Hands-only CPR doesn't just eliminate the "yuck factor." A new study shows it can save more lives.

It's the first large U.S. study to show more adults survived cardiac arrest when a bystander gave them continuous chest presses to simulate a heartbeat, compared with traditional CPR with mouth-to-mouth breathing.

"Anyone who can put one hand on top of the other, lock their elbows and push hard and fast can do this. No risk, no fear of causing harm," said lead author Ben Bobrow of the Arizona Department of Health Services in Phoenix.

"We want to take away all the reasons bystanders do nothing when they witness another person collapse." With hands-only CPR, advocates say, potential rescuers don't have to endure what for some could be the "yuck factor" of putting their mouth to an unconscious person's mouth and breathing for them.

For others, the trimmed-down method simplifies a confusing procedure learned years ago and barely remembered.

Standard CPR with mouth-to-mouth and chest compressions is still best for very small children and victims of near-drowning and drug overdose, experts say, cases where breathing problems likely led to cardiac arrest.

Nonstop chest compressions work better for adult cardiac arrest because most people take too long to do mouth-to-mouth, said senior author Gordon Ewy of the University of Arizona Sarver Heart Center.

After cardiac arrest, oxygenated blood can't get to the brain without help. Most rescuers take about 16 seconds to perform two CPR breaths - long enough to starve the organs of oxygen.

"Your hands are their heart," Ewy said. "When you stop pressing on the chest, blood flow to the brain stops."

The study, which appears in Wednesday's Journal of the American Medical Association, is the first to show a statewide awareness campaign can increase bystanders' willingness to try CPR.

Arizona reached 500,000 people through public service announcements, YouTube, free classes, e-mails and inserts in utility bills, all promoting hands-only CPR.

The rate of bystanders trying any type of CPR rose from 28 percent in 2005 to 40 percent in 2009. Bystanders were more likely to use hands-only CPR over traditional CPR as time went on.

The steps:

•  If someone collapses, doesn't respond to gentle shaking and stops normal breathing, call 911 or tell someone else to call.
• With the victim on his back, place the heel of one of your hands atop the other on the middle of the victim's breastbone.Lock your elbows.
• With your shoulders over your hands, fall forward using your body weight. Press 100 times a minute. Think of the Bee Gees song "Stayin' Alive" for the tempo.

If an automated external defibrillator is available, switch it on and follow the instructions.

If not, continue chest compressions until paramedics arrive.
~ By Carla K. Johnson - The Philadelphia Inquirer,  Oct. 6, 2010

Note:  The American Heart Association has supported this theory of "Hands-Only CPR" since 2008.

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