 Joyce Okahashi, RN
Critical Care Research Nurse
Joyce Okahashi, R.N., joined the ICU Delirium and Cognitive Impairment Study Group at Vanderbilt University Medical Center as a member of the Department of Allergy, Pulmonary, and Critical Care Medicine, in 2006. Joyce has worked primarily as a critical care nurse for more than 25 years and holds active licenses in three states; Tennessee, Florida and Hawaii. She has been certified in critical care, CCRN, for years with the majority of her practice and her work experience in the medical/surgical, trauma and cardiac intensive care units. Prior to coming to Vanderbilt she was working in Hawaii as a Research Nurse Coordinator, based at the RCMI Clinical Research Center at Kapiolani Medical Center for Women and Children in affiliation with the University of Hawaii. She was responsible for assisting investigators with the development of research protocols, applications, IRB submissions, consenting, collecting specimens and conducting patient visits. These studies included lung cancer, feeding studies, DVT, telomeres, genetic data banking, HIV and others.
Her current role with the ICU Delirium team is as the Lead Research Nurse Specialist charged with the coordination of all aspects of the hospital phase of the delirium studies at Vanderbilt. She is also the Program Clinical Manager for the Delirium group’s studies at the VA hospitals in Nashville, TN Valley Healthcare System, and two other sites; VA Salt Lake City Healthcare System in Salt Lake City, Utah and Puget Sound Healthcare System in Seattle, Washington.
She received her nursing degree from Florida College and worked on her BSN through the University of Phoenix. Over the years she has also worked as a Case Manager, IV Therapy Coordinator and Information Specialist in telephonic nursing and with the Hawaii Poison Center.
Contact information
Center For Health Services Research
1215 21st Avenue South
Medical Center East, Suite 6100
Nashville, TN 37232-8300
Phone: (615) 936-0009
Fax: (615) 936-1269
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Site Principal Investigators
Timothy D. Girard, MD, MSCI
Assistant Professor of Medicine
James C. Jackson, PsyD
Assistant Professor of Medicine
Pratik Pandharipande, MD, MSCI
Associate Professor of Anesthesiology and Critical Care
E. Wesley Ely,MD, MPH
Professor of Medicine and Critical Care
Associate Director of Aging Research, VA GRECC
Senior Advisors
Gordon R. Bernard, MD
Associate Vice Chancellor for Research
Robert S. Dittus, MD, MPH
Div Chief Gen Medicine, Director GRECC
Research Coordinators
Leanne Boehm, MSN, RN, ACNS-BC
Critical Care Research Nurse
Joyce Okahashi, RN
Critical Care Research Nurse
Cayce Strength, RN, BSN
Critical Care Research Nurse
Brenda Truman Pun, RN, MSN, ACNP
Acute Care Nurse Practitioner
Program Clinical Manager
Aimee Hoskins, RN, BSN
Research Nurse
Anesthesiology
Christopher G. Hughes, MD
Assistant Professor of Anesthesiology and Critical Care Medicine
Elizabeth Card, RN, CPAN, CCRP
Research Nurse IV
Neuropsychology
Sharon M. Gordon, PsyD
Geriatric Neuropsychology, GRECC
Amy Lipsey Kiehl, MA, LPC-MHSP
Research Coordinator
Hillary Warrington, MS
Research Analyst II
Lindsay Anderson, MSW
Research Analyst III
Sleep
Paula Watson, MD
Pulmonary & Critical Care Medicine
Beth Malow, MD, MS
Associate Professor of Neurology
Neuroimaging
John Gore, PhD
Neuroimaging, FMRI, Director of VUIIS
Baxter Rogers, PhD
Physicist
Psychiatry
Stephan Heckers, MD, MSc
Psychiatry Department Chair
D. Catherine Fuchs, MD
Pediatric Psychiatry
Emergency Department
Jin H. Han, MD, MSC
Assistant Professor
Pediatric Delirium
Ty Berutti, MD, MS, MS
Assistant Professor, Pediatric Critical Care
Heidi Smith, MD, MSCI, FAAP
Pediatric Intensive Care
Emily Brink, RN, BSN
Research Nurse III
Biostatisticians
Ayumi Shintani PhD, MPH
Chief ICU Delirium Biostatistician
Amy J. Graves, SM, MPH
Analyst, Biostatistics
Jennifer Thompson, MPH
Analyst, Biostatistics
Theodore Speroff, PhD
Psychometrics, Statistician, GRECC
Research Fellows
Alessandro Morandi, MD
Geriatrician & Research Fellow
Nathan E. Brummel, MD
Clinical Fellow in the Division of Allergy, Pulmonary and Critical Medicine
ICU Outcomes and Patient Safety
Eduard E. Vasilevskis, M.D.
Hospital Medicine and Center for Health Services Research
Laboratory
Gillian Sills, BS
Research Assistant
Pharmacy
Joanna L. Stollings, PharmD, BCPS
Medical Intensive Care Unit Clinical Pharmacy Specialist
Administrative
Stephanie Hamilton, BA
Administrative Assistant
Bill Pojedinec, BS
Program Administrative Manager
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