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| Working with renal researcher
Allan J. Collins, MD, FACP,
CDRG investigators bring varied backgrounds, areas
of
expertise, and professional interests to health services
research. |
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| Shu-Cheng Chen,
MS, has
more than 20 years of experience in database management,
object-oriented programming, and Windows-based programming.
As CDRG's Director of Information Systems, he leads
a team of application and database developers and
computer engineers in managing national and state-level
data, merging and integrating databases, and producing
research files for use by investigators. |
Robert N. Foley, MB, an Associate Professor of Medicine at the University of Minnesota in Minneapolis, has been a clinical investigator for much of his career, coordinating long-term observational natural history studies and prospective interventional trials. Professional interests include study design issues, methodological limitations, modeling, observational study coordination, and the conduct of clinical trials. Current research focuses on anemia, its effect on hospitalization and mortality and its interactions with CKD, ESRD, cardiovascular disease, and diabetes; epoetin use and attainment of hemoglobin goals; and use of propensity scores to predict actual hemoglobin levels. |
| David T. Gilbertson,
PhD, is a biostatistician experienced in the use
of large and merged data sets. His current professional
interests include the application of multi-state
models to observational epidemiologic analyses, the
use of Marginal Structural Models to assess the impact
of time-varying covariates in the presence of time-varying
confounders, the development of methods to assess
and account for bias in observational epidemiologic
analyses, the use of propensity scores in observational
epidemiologic studies, and the use of instrumental
variables in observational epidemiologic studies. |
Charles A. Herzog, MD, is a cardiologist at Minneapolis’ Hennepin County Medical Center (HCMC) and a professor of medicine at the University of Minnesota. He has served as the cardiology consultant to the ESRD program at HCMC since 1985, and as the director of the cardiac ultrasound laboratory since 1997. A Fellow of the American College of Cardiology, Dr. Herzog’s research includes analyzing cardiovascular outcomes in patients with chronic kidney disease; analyzing survival of ESRD patients after acute myocardial infarction, coronary revascularization, valvular heart surgery, and bacterial endocarditis; and exploring the epidemiology of sudden cardiac death in dialysis patients. He is in the planning phase of a proposed clinical trial to explore the efficacy of implantable cardioverter-defibrillators for the prevention of sudden cardiac death in dialysis patients. |
| Jiannong Liu,
PhD, is a theoretical biostatistician
who leads methodology development and study design
efforts for clinical and economic analysis and
addresses measurement issues in natural history
studies and bias adjustment in observational studies.
His professional interests include employing Bayesian
techniques to advance methods of healthcare provider
profiling; applying the structural equation modeling
technique to find the mechanisms by which predictors
affect medical costs in ESRD patients; and using
statistical models to stabilize adjusted event
rate estimates. He develops Bayesian hierarchical
spatial models to smooth event rates, costs, and
other variables, thus revealing geographic patterns.
Working with other investigators, he applies the
instrumental variable approach and Marginal Structure
model techniques to correct estimates of bias of
risk factor effects on medical outcomes among ESRD
patients. |
| Anne M. Murray,
MD, MSc,
is an epidemiologist and internist specializing in
geriatrics. Her primary research interests involve
neuroepidemiology, especially the epidemiology of
cognitive impairment (dementia, mild cognitive impairment,
and delirium) in renal disease and diabetes, and
of stroke in ESRD patients. Her research includes
dialysis withdrawal and hospice use, parkinsonism
and its association with disability and mortality,
and epidemiology of anemia in the elderly. She is
currently conducting a longitudinal study of cognitive
impairment in 374 hemodialysis patients, funded by
a five year NIA career award. |
| Wendy L. St.
Peter, PharmD, FCCP, BCPS, an Associate Professor at the University
of Minnesota College of Pharmacy in Minneapolis,
has more than17 years of experience in nephrology
pharmacy practice and a broad internal medicine background.
Current work includes evaluating the impact of medications
for bone and mineral metabolism in chronic kidney
disease patients, and evaluating the potential effect
of the Medicare Modernization Act on these patients.
Dr. St. Peter recently served on the Technical Expert
Panel for the Center for Medicare and Medicaid Services
for the End-Stage Renal Disease Outpatient Medications
Project, and she is a Board Member of the Minnesota
Department of Human Services, Drug Utilization Review
Board for the Minnesota Medicaid Program. |
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