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Three Cutting-Edge Studies Hold Promise for Stroke Patient Outcomes

Three Cutting-Edge Studies Hold Promise for Stroke Patient Outcomes

Pulsara recently attended and exhibited at the American Heart Association's annual International Stroke Conference. In addition to Pulsara's poster presentation, several other innovative research studies were presented which promise great strides for the future of stroke care. The successes of the various therapies outlined below, coupled with implementation of the Pulsara solution, hold great promise for significantly improving stroke outcomes. 

Study # 1: ESCAPE Trial

ESCAPE trial

The ESCAPE Trial (Endovascular treatment for Small Core and Anterior circulation Proximal occlusion with Emphasis on minimizing CT to recanalization times) was a randomized controlled trial (RCT) that included 316 patients who were assigned to one of two groups: mechanical thrombectomy up to 12 hours after onset of symptoms or care as usual including intravenous tPA (the same number of participants in each group received tPA).

The ESCAPE trial was stopped prematurely due to overwhelmingly positive results. Perhaps the most exciting outcome was a significant increase in the rate of functional independence in the intervention group compared to the control group (53.0% vs. 29.3% respectively, p<0.001). The number needed to treat (NNT) for this result to give one additional person functional independence was four. The ESCAPE study also indicated reduced mortality rates for the treatment group (10.4%) compared with the control group (19%, p=0.04).

The facilities that participated in this trial had as their goal a CT to reperfusion time of < 90 minutes. The authors concluded that rapid endovascular therapy improves both functional outcome and mortality rates. Because Pulsara has seen a 156% improvement in D2N times < 60 minutes, introducing Pulsara's Stop Stroke application along with this therapy would be instrumental in meeting time goals and in improving outcomes for stroke patients. 

EXTEND-IA Trial

STUDY #2: EXTEND-IA Trial

The EXTEND-IA trial (Extending the time for Thrombolysis in Emergency Neurological Deficits with Intra-Arterial therapy) was an RCT with 70 patients who met the following criteria: acute ischemic stroke (AIS) onset less than 4.5 hours, received 0.9mg of alteplase per kilogram of body weight, and had indication by CT of large vessel occlusion. The study group underwent endovascular thrombectomy with the Solitaire FR stent receiver in addition to alteplase, the control group received only alteplase.

This trial was also stopped early due to impressive efficacy. EXTEND-IA saw functional outcome of improvement in disability (defined as modified Rankin score (mRS) of 0-2) in 71% of patients in the study group compared with 40% in the tPA-only group (p=0.01). The Pulsara platform together with this therapy will improve case times, thereby further improving functional outcomes.  

STUDY #3: SWIFT PRIME Trial

SOLITAIRE trial

SWIFT PRIME (Solitaire™ With the Intention for Thrombectomy as PRIMary treatment for acute ischemic strokE) was an RCT with 196 patients who received tPA for AIS less than 4.5 hours from onset and met criteria for NIHSS between 8-29 and had CT evidence of large vessel occlusion. The intervention group was treated with a Solitaire™ FR stent retriever, the control group with usual treatment procedures. 

The SWIFT PRIME trial was stopped early due to efficacy and saw an improved neurologic outcome with a 90-day mRS of 0-2 in 60.2% of the intervention group compared to 35.5% (p=0.0008) in the control group. These results translate to some extremely powerful effects, specifically:

  • For every two and a half patients treated, one more patient has a better disability outcome
  • For every four patients treated, one more patient is independent at long term follow-up

The Swift Prime study had as its targets, CT to groin puncture time of ≤ 70 minutes (optimal) and ≤ 90 minutes as the mandatory target. These numbers should be goal points for all facilities in order to most effectively reduce mortality and morbidity. Pulsara's Stop Stroke app has been shown to reduce D2N times by 28%Just imagine what that could do for your times!

And speaking of you, what is your facility's current plan for meeting target time goals? How does your team coordinate care with regards to:
  • Identifying large vessel occlusions?
  • Directing stroke patients to the most appropriate facility?
  • Mobilizing and coordinating your resources?

Check out the robust impact Pulsara has already had on acute ischemic stroke outcomes, and contact us to find out how we can standardize your acute care protocols. 


 Download our stroke research poster! See how Pulsara can shave time off of your stroke cases.

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