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Effect of real-time CPR feedback reported at resuscitation science symposium
Date:11/20/2009

rimary objective of the study was to determine the proportion of patients with a return of spontaneous circulation (ROSC) during the prehospital course of EMS care. ROSC was defined as the presence of a palpable pulse in any blood vessel for any length of time. The difference observed between the two study groups was not statistically significant: return of spontaneous circulation occurred in 48.0% of 'feedback on' and 48.8% with 'feedback off.'

Secondary outcomes of the study were also reported:

  • Survival to hospital discharge was not significantly different between the two treated groups, with 10.6% of 'feedback on' and 12.2% of 'feedback off' surviving.
  • Compliance with AHA recommendations for quality CPR improved modestly when assigned to 'feedback on', with an observed reduction in compression rate, an increase in the depth of compressions, and an increase in the amount of time spent doing CPR.

Researchers will further analyze and publish the final data in the coming months.

"In this trial, the quality of CPR in the 'feedback off' group was substantially better than has been previously reported for prehospital EMS and may suggest that the potential clinical benefit of real-time CPR feedback is limited in EMS systems with well-trained rescuers," said ROC principal investigator, Clif Callaway, M.D., Ph.D., associate professor and vice chair of emergency medicine at the University of Pittsburgh. Dr. Callaway also noted, "This study's attention to the quality of CPR may well have affected the results of both arms of the study, regardless of whether real-time feedback was turned on or off."

When administered as soon as possible, CPR and, in some cases, rapid treatment with a defibrillator a device that sends an electric shock to the heart to try to restore its normal rhythm can be lifesaving. When delivered by EMS professionals, CPR is a combination of chest compressions, to keep oxygen-rich blood cir
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Contact: Clare Hagerty
clareh@u.washington.edu
206-685-1323
University of Washington - Health Sciences/UW News, Community Relations & Marketing
Source:Eurekalert

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