Tissue plasminogen activator (or tPA) is the only FDA-approved treatment for acute ischemic stroke; however, it is often underutilized because the treatment's success depends on how quickly it can be administered.
The telestroke program allows emergency physicians in hospitals without in-house stroke neurology and neurological intensive care units to activate a neurologist at a remote location, often before the suspected stroke patient arrives via ambulance to the emergency department. Diagnostic images of the patient's brain are available instantly to both the emergency and remote physicians via electronic health record, and the neurologist can assess the patient visually using video technology, all of which shaves precious minutes off the time it takes to determine if the patient is a candidate for tPA. That drug, to be effective, must be administered within 60 minutes of the onset of stroke symptoms, and it is more effective the sooner it is delivered.
"Our findings add to the existing body of evidence supporting the value of telestroke programs for improving tPA administration rates among ischemic stroke patients at hospitals, which may have limited resources or access to neurological expertise," explained Adam L. Sharp MD, study lead author, Kaiser Permanente Southern California Department of Research & Evaluation.
Telehealth, which includes the telestroke program covered in this research, helps fill gaps in care through the use of telecommunication technologies to provide long-distance medical information and services. The use of these services has surged recently as technology has improved and health care organizations look to provide specialized services to help meet patient needs.
The study evaluated 2,657 patients at 11 Kaiser Permanente medical centers in Southern California that implemented a telestroke program between August 2013 and December 2014. Prior to program implementation, eight of these centers were significantly less likely to administer tPA to ischemic stroke patients compared to the facility with the largest volume of stroke patients. After telestroke implementation, all facilities were at least as likely to administer tPA as the medical center with the largest volume of stroke patients, with one facility performing even better.
Researchers also found:
- The use of tPA increased from 6.3 percent among acute ischemic stroke patients before telestroke implementation to almost 11 percent after implementation.
- Overall bleeding complications did not rise and were overall slightly lower after telestroke was implemented (5.1 percent versus 4.9 percent).
- Two key quality measures improved: median time for a patient to receive diagnostic imaging was reduced from 56 to 44 minutes, and the time to tPA administration for those eligible was reduced from 66 to 55 minutes.
Other authors of the study include Kori Sauser-Zachrison, MD, with the Department of Emergency Medicine, Massachusetts General Hospital; Ernest Shen PhD, and Michael K. Gould MD, with the Kaiser Permanente Southern California Department of Research and Evaluation; Navdeep Sangha, MD, and Zahra Ajani, MD, with the Department of Neurology, Los Angeles Medical Center, Kaiser Permanente Southern California; William P. Neil, MD, with the Department of Neurology, San Diego Medical Center, Kaiser Permanente Southern California; and Dustin Ballard, MD, with the Department of Emergency Medicine, Kaiser Permanente Northern California.
About the Kaiser Permanente Southern California Department of Research & Evaluation
The Department of Research & Evaluation conducts high-quality, innovative research into disease etiology, prevention, treatment and care delivery. Investigators conduct epidemiologic research, health services research, biostatistics research, and behavioral research as well as clinical trials. Major areas of study include chronic disease, infectious disease, cancer, drug safety and effectiveness, and maternal and child health. Headquartered in Pasadena, California, the department focuses on translating research to practice quickly to benefit the health and lives of Kaiser Permanente Southern California members and the general public. Visit kp.org/research.
About Kaiser Permanente
Kaiser Permanente is committed to helping shape the future of health care. We are recognized as one of America's leading health care providers and not-for-profit health plans. Founded in 1945, Kaiser Permanente has a mission to provide high-quality, affordable health care services and to improve the health of our members and the communities we serve. We currently serve more than 10.6 million members in eight states and the District of Columbia. Care for members and patients is focused on their total health and guided by their personal physicians, specialists and team of caregivers. Our expert and caring medical teams are empowered and supported by industry-leading technology advances and tools for health promotion, disease prevention, state-of-the-art care delivery and world-class chronic disease management. Kaiser Permanente is dedicated to care innovations, clinical research, health education and the support of community health. For more information, go to: kp.org/share.
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SOURCE Kaiser Permanente