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Neighbors Growing Together | Jul 22, 2014

Despite benefit, hospitals not always alerted of incoming stroke patients

By American Heart Association | Dec 26, 2012

 

 

 

 

 

 

 

DALLAS, July 10, 2012 (GLOBE NEWSWIRE) -- Treatment is delivered faster

when emergency medical services (EMS) personnel notify hospitals a

possible stroke patient is en route, yet pre-notification doesn't occur

nearly one-third of the time. That's according to two separate Get With

The Guidelines(R)-- Stroke program studies published in American Heart

Association journals.

 

The American Heart Association/American Stroke Association recommends

EMS notify hospitals of incoming stroke patients to allow stroke teams

to prepare for prompt evaluation and treatment. Quick response is vital

for stroke patients, particularly those with ischemic stroke, when a

clot cuts off the blood supply to a portion of the brain. Clot-busting

drugs can only be given within a limited time -- three to 4.5 hours

after the onset of symptoms.

 

For both studies, researchers examined the records of 371,988 acute

ischemic stroke patients transported by EMS to one of 1,585 hospitals

participating in the Get With The Guidelines--Stroke quality

improvement program between 2003 and 2011.

 

Pre-notification of hospital by EMS resulted in faster diagnosis and

treatment for stroke patients, according to the study published in

Circulation: Cardiovascular Quality & Outcomes.

 

Pre-notification was independently associated with better treatment

times:

 

 

-- arrival-to-imaging times of 25 minutes or less,

-- arrival-to-treatment with the clot-busting drug tPA within 60 minutes,

-- symptom onset-to-tPA treatment times of 120 minutes or less,

-- and more eligible patients treated with tPA.

 

 

 

 

However, pre-notification occurred in only 67 percent of patients in

2011, only a modest increase from the 58 percent in 2003, according to

the study published in the Journal of the American Heart Association

(JAHA).

 

"Despite national guidelines recommending pre-notification by EMS for

acute stroke patients, it's disappointing that there's been little

improvement," said Gregg C. Fonarow, M.D., senior author of both

studies and professor of cardiovascular medicine at the University of

California-Los Angeles. "However, with these powerful new findings

demonstrating substantial benefits with pre-notification, we have a

tremendous opportunity to make positive changes in this component of

stroke care."

 

Among patients arriving within two hours of symptom onset, patients

with EMS pre-notification were more likely to:

 

 

-- be treated with tPA within three hours (82.8 percent vs. 79.2 percent);

-- have shorter arrival-to-imaging times (26 minutes vs. 31 minutes);

-- have shorter arrival-to-tPA treatment times (78 minutes vs. 80 minutes);

and

-- have shorter symptom onset-to-tPA treatment times (141 minutes vs. 145

minutes).

 

 

 

 

The researchers found dramatic variations in pre-notification rates:

 

 

-- Rates ranged from 0 percent to 100 percent among individual hospitals.

-- Rates were higher in non-academic hospitals and those that more

frequently use tPA.

-- States and regions also varied widely, from 93.4 percent in Montana to

19.7 percent in the District of Columbia.

-- Rates were lower in the northeast.

 

 

 

 

"The large variations by state and hospital are really striking and

should be a concern because the potential for ideal patient care isn't

being met," Fonarow said. "We've developed a map of rates by state.

This tool can identify areas that are most in need of improved stroke

care systems."

 

Furthermore, EMS pre-notification was significantly less likely if

patients were older, black or had a prior history of stroke, diabetes

or peripheral vascular disease (clogged leg arteries).

 

"This tells us what we need to target EMS education," Fonarow said.

"These patients are at higher risk for stroke and other ailments and

may present challenges to EMS determining in the field whether their

symptoms represent stroke. The goal is that EMS provides advanced

notification for every potential stroke patient being transported."

 

The studies included only data from Get With The Guidelines--Stroke

hospitals. However, these comprise about one-third of U.S. hospitals

and are considered representative of all hospitals in terms of

pre-hospital care, Fonarow said.

 

 

 

The Get With The Guidelines--Stroke program is supported in part by a

charitable contribution from Janssen Pharmaceutical Companies of

Johnson & Johnson. The program has been funded by Boeringher-Ingelheim,

Merck, Bristol-Myers Squib/Sanofi Pharmaceutical Partnership and the

American Heart Association Pharmaceutical Roundtable.

 

Call 9-1-1 if you or someone you're with experiences stroke warning

signs. Use this map to find an American Heart Association/American

Stroke Association-certified stroke center near you.

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