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Large Real-World, Multi-Center Study Demonstrates Viz.ai Platform Saves Critical Minutes In Stroke Care

By: | Tags: , , , , , | February 8th, 2023

Study, across 166 facilities in 17 states, finds AI-powered care coordination crucial for acute stroke management.

SAN FRANCISCO, CA. (February 8, 2023) Viz.ai, the leader in AI-powered disease detection and care coordination, and TeleSpecialists LLC, a physician-owned management service organization committed to providing exceptional emergent and non-emergent neurology and psychiatric patient care via telemedicine, announced new data presented today at the International Stroke Conference (ISC) from the VALIDATE (Validation of Artificial intelligence to LImit Delays in Acute stroke Treatment and Endovascular therapy) study. The study demonstrated that hospital utilization of Viz’ AI-powered care coordination platform was associated with a 39.5 minute reduction in patient arrival to time of first contact with the neurointerventionalist for need for potential emergency endovascular treatment.

“In the world of stroke treatment, the saying ‘time is brain’ comes from the fact that when brain tissue is deprived of oxygenated blood, approximately two million neurons die every minute,” said Theresa Sevilis, DO, director of clinical research at TeleSpecialists and study co-author. “VALIDATE data show that use of the Viz platform resulted in a clinically important decrease in the time it took for large blood vessel occlusion recognition and contact with the interventional team, which in turn may translate to fewer neurons dying and, ultimately, better patient outcomes.”

The independent VALIDATE study analyzed data extracted from acute stroke consultations seen by TeleSpecialists’ neurologists in the emergency department across 166 facilities in 17 states. A total of 14,116 patients were included from two groups: those seen in hospitals using AI (n=8,557) and those seen in hospitals not using AI (n=5,559).  The study found that the median door to neurointerventionalist notification time for AI was 50 minutes compared to the median door to neurointerventionalist notification time for non-AI at 89.5 minutes (p <0.001), a difference of 39.5 minutes. Importantly, the statistically significant (p<0.01) improvement in time to large clot recognition and contact with the neurointerventional team at Viz-enabled centers occurred regardless of whether the center did or did not have thrombectomy-capability.

“These data, which resulted from measuring the impact of our platform on patient care in the real world, reinforce results we’ve seen in previous studies that have typically involved a single center with a limited number of patients,” said Jayme Strauss, chief clinical officer, Viz.ai. “The first multi-center study involving a large number of patients, VALIDATE compared results from the same time period between hospitals that used the Viz.ai platform and those that did not have AI software, thus eliminating the potential confounding effect of changes in workflow that occur in hospitals over time. This tightly controlled scientific study clearly illustrates the tremendous impact of our technology.”

“The VALIDATE results demonstrate a time improvement in emergency stroke workflow between Viz-enabled and non-Viz-enabled centers that was statistically significant and highly clinically important,” said Thomas Devlin, MD, PhD, Professor of Neurology at the University of Tennessee Health Science Center, and co-author of the study. “The study design allowed for very careful and rigorous insight into exactly how powerful the Viz.ai platform is at expediting treatment for one of the most time-sensitive conditions in all of medicine”.

Viz.ai and TeleSpecialists announced a strategic partnership last year aimed at bringing AI-powered care coordination together with leading telestroke neurologists to optimize time to treatment and improve patient outcomes across the United States.

For more information on the study results, visit the ISC website.

About Viz.ai, Inc.

Viz.ai is the pioneer in the use of AI algorithms and machine learning to increase the speed of diagnosis and care, covering more than 200 million lives across 1,300+ hospitals and health systems in the U.S. and Europe. The AI-powered Viz Platform is an intelligent care coordination solution that identifies more patients with a particular disease, informs critical decisions at the point of care, and optimizes care pathways and helps improve outcomes. Backed by clinical evidence, the Viz Platform delivers significant value to patients, providers, and pharmaceutical and medical device companies. For more information visit viz.ai.

About TeleSpecialists, LLC

TeleSpecialists is a leading national physician-owned provider of telemedicine solutions for quality-focused hospitals and healthcare systems that sets the standard for rapidly accessible remote neurology and psychiatry services, both emergent and non-emergent.

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Nattasha Acevedo, MD

Dr. Acevedo received her medical degree from the Ponce School of Medicine in Puerto Rico and did her neurology residency at Montefiore Medical Center in New York. She went on to do a clinical neurophysiology fellowship at Emory School of Medicine in Atla nta, Georgia and then joined private practice in Fort Myers, Florida. She currently resides in San Juan, Puerto Rico. She likes running, paddle boarding and spending time with family.
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Bernadette Borte, MD

Dr. Borte received her medical degree from St. Matthew’s University School of Medicine in Grand Cayman. She completed her neurology residency at the University of Iowa Hospitals and Clinics in Iowa City, Iowa. Her areas of interest include inpatient neurology and acute stroke. When not working, she enjoys spending time outdoors with her family. Dr. Borte joined the TeleSpecialist family in March of 2019.
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Mazen Almidani, MD

Dr. Almidani is board certified in pediatrics by the American Board of Pediatrics and board certified in epilepsy, as well as neurology with special  qualification in child neurology by the American Board of Psychiatry and Neurology.  Dr. Almidani is happily married with 4 children. His oldest son has autism and his daughter has complicated seizures; both were a drive for him to become a neurologist. Dr. Almidani enjoys soccer, running and spending time with his family. He is very involved with his sons’ therapy and helping with daily challenges. He is double board certified in Pediatric and Adult Neurology and Epilepsy. He sees children and adults. He also participates in charities for children in Syria who may be underprivileged and/or affected by the war. Dr. Almidani joined TeleSpecialists in August 2020.
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Amanda Cheshire, MD

Dr. Cheshire received her medical degree from the University of Louisville School of Medicine in Louisville, Kentucky. She completed her neurology residency at the University of Cincinnati Medical Center in Cincinnati, Ohio. She did a fellowship in neurophysiology at the University of Michigan Medical School in Ann Arbor, Michigan. Dr. Cheshire is double board certified in neurology and clinical neurophysiology. She enjoys traveling, reading and music. She currently resides in Viera, Florida.  Dr. Cheshire joined TeleSpecialists in June 2019.
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Jessica Floyd, MD

Dr. Floyd completed her neurology residency at Mayo Clinic in Jacksonville, Florida followed by fellowship training in clinical neurophysiology with focus in EEG and epilepsy at the Medical University of South Carolina in Charleston, South Carolina. She has particular interest in hospital neurology and patient education as well as the blossoming specialty of lifestyle medicine. She strives to take advantage of every encounter with patients and medical staff to empower them to do their own research into how daily thoughts, choices, and habits can add up to create greater and longer-lasting brain and neurologic health for ourselves and our loved ones. She lives in Florence, South Carolina with her awesome husband of 13 plus years and three beautiful children. She is an avid yogi, astrologer, and lover of food and all things neurology! Dr. Floyd joined the TeleSpecialist family in July 2017.
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Nancy Futrell, MD

Dr. Futrell received her medical degree from the University of Utah in Salt Lake City, Utah. She also did her neurology residency at the University of Utah as well as a research fellowship in cerebral vascular disease at Jackson Memorial Hospital in Miami, Florida. She currently resides in Salt Lake City, Utah. She has authored 2 books and 50 peer reviewed papers. 
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Rebecca Jimenez-Sanders, MD

Dr. Jimenez Sanders received her undergraduate degree from Emory University, and her medical degree from the San Juan Bautista School of Medicine in Puerto Rico. She completed her neurology residency at the University of South Florida in Tampa, Florida, where she also did a specialized headache medicine and facial pain fellowship. She currently resides in Tampa, Florida with her husband and her two daughters. She is also fluent in Spanish and Italian languages, and enjoys photography, baking, boating, and biking.
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Cory Lamar, MD

Dr. Lamar received his medical degree from Meharry Medical College in Nashville, Tennessee. He completed his internship and residency at Wake Forest Baptist Health in Winston Salem, North Carolina. Following residency, he completed a clinical fellowship in neurophysiology, with a concentration in epilepsy. He currently resides in Florida and enjoys outdoor activities.
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Clifford Meyers, MD

Dr. Meyers received his medical degree from Brown University in Providence, Rhode Island and his MBA from the Simon School of Business at the University of Rochester in Rochester, New York. He completed his neurology residency at the University of Rochester, where he also did a neurophysiology fellowship. Dr. Meyers resides in Webster, New York with his wife and daughter. When not doing teleneurology, he enjoys playing sports with his wife and daughter.
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Tao Tong, MD

Dr. Tong received her medical degree from the University of Miami School of Medicine in Miami, Florida. She completed her neurology residency at Jackson Memorial Hospital in Miami, Florida, where she also did a neuromuscular/EMG fellowship.  She currently resides in College Station, Texas. Dr. Tong is married with two boys. She enjoys spending time with her family, traveling and reading.
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Shubhangi Chumble, MD

Dr. Chumble attended BJ Medical School. She is a board certified neurologist with a subspeciality interest in sleep medicine. Dr. Chumble did her residency at Howard University in Washington DC and has practiced neurology since 2001 in private and corporate settings. She lives in Melbourne, Florida and loves the sunshine state. Her hobbies include yoga, meditation, cooking , traveling and meeting new people. She also loves to do stained glass, pottery and painting. She joined TeleSpecialists in June 2019.
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