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Displaying 1 to 10 of 10 results for cerebrovascular

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  • Adam Sapirstein Lab

    Researchers in the Adam Sapirstein Lab focus on the roles played by phospholipases A2 and their lipid metabolites in brain injury. Using in vivo and in vitro models of stroke and excitotoxicity, the team is examining the roles of the cytosolic, Group V, and Group X PLA2s as well as the function of PLA2s in cerebrovascular regulation. Investigators have discovered that cPLA2 is necessary for the early electrophysiologic changes that happen in hippocampal CA1 neurons after exposure to N-methyl-d-aspartate (NMDA). This finding has critical ramifications in terms of the possible uses of selective cPLA2 inhibitors after acute neurologic injuries.

    Research Areas: phospholipases A2, brain, stroke, lipid metabolites, excitotoxicity, brain injury, neurological disorders

  • Frederick Sieber Lab

    The Frederick Sieber Lab studies the impact of sedation on geriatric surgical patients—especially those undergoing orthopaedic or pelvic procedures—with the goal of preventing postoperative delirium. We are using electroencephalography to investigate the effect of sedation depth during spinal anesthesia. We are also working to determine the effects of using propofol for sedation in elderly patients as well as the effects of robotics and surgical positioning on cerebral blood flow.

    Research Areas: robotics, orthopaedics, cerebrovascular, anesthesia, delirium, gerontology, sedation

  • Ivor Berkowitz Lab

    Research in the Ivor Berkowitz Lab targets pediatric critical care medicine. We are particularly interested in the pathophysiology behind the cerebrovascular dysfunction that occurs in bacterial meningitis as well as the anesthetic and perioperative complications of patients with dwarfing syndromes.

    Research Areas: cerebrovascular dysfunction, bacterial meningitis, dwarfing syndromes, pediatric critical care medicine

  • Jennifer Lee-Summers Lab

    Research in the Jennifer Lee-Summers Lab explores cerebrovascular autoregulation, particularly during anesthesia. Our previous studies have examined cerebrovascular autoregulation and blood flow in patients with hypothermia, in neonatal patients with hypoxic-ischemic encephalopathy and in pediatric patients with moyamoya disease.

    Research Areas: hypothermia, moyamoya, neonatal, cerebrovascular, anesthesia, pediatrics

  • John Sampson Lab

    Researchers in the John Sampson Lab investigate relevant, appropriate, affordable and sustainable ways to improve anesthesia and perioperative care in low-resource settings. The team’s research interests include the Universal Anesthesia Machine; interpersonal relationships between anesthesia providers and their patients; how the quality of those relationships impacts professionalism, autonomy, anxiety, patient cooperation and patient satisfaction; how disease influences cerebrovascular reactivity as measured by MRI; and how education and communication can improve medical care in Africa and other austere environments. The team is currently working with clinicians in Ghana, Ethiopia and Kenya.

    Research Areas: global health, Africa, perioperative care, cerebrovascular reactivity, patient-provider relationships, anesthesia

  • John Ulatowski Lab

    Research in the John Ulatowski Lab explores the regulatory mechanisms of oxygen delivery to the brain and cerebral blood flow. Our work includes developing and applying new techniques and therapies for stroke as well as non-invasive techniques for monitoring brain function, fluid management and sedation in brain injury patients. We also examine the use of novel oxygen carriers in blood. We’ve recently begun exploring new methods for perioperative and periprocedural care that would help to optimize patient safety in the future.

    Research Areas: cerebrovascular, brain, stroke, oxygen, blood

  • Lima Lab

    The Lima Lab’s research is concentrated on the development and application of imaging and technology to address scientific and clinical problems involving the heart and vascular system.

    Specifically, our research is focused on developing magnetic resonance imaging (MRI) contrast techniques to investigate microvascular function in patients and experimental animals with myocardial infarction; functional reserve secondary to dobutamine stimulation and myocardial viability assessed by sodium imaging; and cardiac MRI and computed tomography (CT) program development of techniques to characterize atherosclerosis in humans with cardiovascular or cerebrovascular disease.

    Current projects include:
    • The Coronary Artery Risk Development in Young Adults (CARDIA) Study
    • The MESA (Multi-Ethnic Study of Atherosclerosis) Study
    • The Coronary Artery Evaluation using 64-row Multidetector Computed Tomography Angiography (CORE64) Study

    Joao Lima, MD, is a professor of medicine, radiology and... epidemiology at the Johns Hopkins School of Medicine. view more

    Research Areas: magnetic resonance, cerebrovascular, imaging, cardiovascular, cardiology, atherosclerosis, computed tomography, vascular, myocardial infarction

    Lab Website

    Principal Investigator

    Joao Lima, M.B.A., M.D.

    Department

    Medicine

  • Raymond Koehler Lab

    Research in the Raymond Koehler Lab explores cerebrovascular physiology and cerebral ischemic injury caused by stroke and cardiac arrest, using protein analysis, immunohistochemistry and histology. We also study ischemic preconditioning, neonatal hypoxic-ischemic encephalopathy and the mechanisms of abnormal cerebrovascular reactivity after ischemia. We 're examining ways to improve tissue oxygenation and seek to better understand the mechanisms that connect an increase in cerebral blood flow to neuronal activity.

    Research Areas: cardiac arrest, neurons, cerebrovascular, resuscitation, stroke, oxygen

  • S.C.O.R.E. Lab

    The mission of the Stroke Cognitive Outcomes and Recovery (S.C.O.R.E.) Lab is to enhance knowledge of brain mechanisms that allow people recover language, empathy, and other cognitive and communicative functions after stroke, and to improve ways to facilitate recovery of these functions after stroke. We also seek to improve the understanding of neurobiology of primary progressive aphasia., and how to enhance communication in people with this group of clinical syndromes.

    Research Areas: cerebrovascular, cognitive neuroscience, dementia

    Lab Website

    Principal Investigator

    Argye Hillis, M.D.

    Department

    Neurology

  • Zeiler Stroke Recovery Lab

    Improved acute stroke care means that more patients are surviving. Unfortunately, up to 60 percent of stroke survivors suffer disability in arm or leg use, and 30 percent need placement in a longer term care facility. Recovering motor skills after stroke is essential to rehabilitation and the restoration of a meaningful life. Therefore, there is an urgent need to develop innovative new approaches to rehabilitation. Most recovery from motor impairment after stroke occurs in the first month and is largely complete by three months. Improvement occurs independently of rehabilitative interventions (for example, physical and occupational therapy), which predominantly target function through compensatory strategies that do not constitute true recovery. Dr. Zeiler and his team are conducting research to uncover how to augment and prolong this critical window of time.

    Research Areas: cerebrovascular dysfunction, cerebrovascular, stroke, rehabilitation

    Lab Website

    Principal Investigator

    Steven Zeiler, M.D., Ph.D.

    Department

    Neurology

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