User profiles for R. Nick Bryan
Robert Nick BryanUniversity of Pennsylvania Verified email at pennmedicine.upenn.edu Cited by 5269 |
Effect of intensive vs standard blood pressure control on probable dementia: a randomized clinical trial
JD Williamson, NM Pajewski, AP Auchus, RN Bryan… - Jama, 2019 - jamanetwork.com
Importance There are currently no proven treatments to reduce the risk of mild cognitive
impairment and dementia. Objective To evaluate the effect of intensive blood pressure control on …
impairment and dementia. Objective To evaluate the effect of intensive blood pressure control on …
Measurement of radiotracer concentration in brain gray matter using positron emission tomography: MRI-based correction for partial volume effects
…, JM Links, JL Prince, RN Bryan… - Journal of Cerebral …, 1992 - journals.sagepub.com
Accuracy in in vivo quantitation of brain function with positron emission tomography (PET)
has often been limited by partial volume effects. This limitation becomes prominent in studies …
has often been limited by partial volume effects. This limitation becomes prominent in studies …
One-year age changes in MRI brain volumes in older adults
…, S Golski, MA Kraut, EJ Metter, RN Bryan… - Cerebral …, 2000 - academic.oup.com
Longitudinal studies indicate that declines in cognition and memory accelerate after age 70
years. The neuroanatomic and neurophysiologic underpinnings of cognitive change are …
years. The neuroanatomic and neurophysiologic underpinnings of cognitive change are …
Effects of intensive glucose lowering on brain structure and function in people with type 2 diabetes (ACCORD MIND): a randomised open-label substudy
…, C Truwit, C Davatzikos, RN Bryan - The Lancet …, 2011 - thelancet.com
Background People with type 2 diabetes are at risk of cognitive impairment and brain
atrophy. We aimed to compare the effects on cognitive function and brain volume of intensive …
atrophy. We aimed to compare the effects on cognitive function and brain volume of intensive …
Sex differences in brain aging: a quantitative magnetic resonance imaging study
…, G Ratcliff, LJ Unitas, B Billig, RN Bryan - Archives of …, 1998 - jamanetwork.com
Background Little is known about the effect of sex on age-related changes in brain structure.
Methods Quantitative magnetic resonance imaging of the brain was performed in 330 …
Methods Quantitative magnetic resonance imaging of the brain was performed in 330 …
Magnetic resonance abnormalities and cardiovascular disease in older adults. The Cardiovascular Health Study.
…, JM Gardin, LP Fried, EP Steinberg, RN Bryan - Stroke, 1994 - Am Heart Assoc
Cerebral magnetic resonance imaging often detects abnormalities whose significance is
unknown. The prevalence and correlates of findings such as ventricular enlargement, sulcal …
unknown. The prevalence and correlates of findings such as ventricular enlargement, sulcal …
Association between blood pressure level and the risk of myocardial infarction, stroke, and total mortality: the cardiovascular health study
…, D Levine, DH O'Leary, RN Bryan… - Archives of internal …, 2001 - jamanetwork.com
Background Recent reports have drawn attention to the importance of pulse pressure as a
predictor of cardiovascular events. Pulse pressure is used neither by clinicians nor by …
predictor of cardiovascular events. Pulse pressure is used neither by clinicians nor by …
Diagnosis of acute cerebral infarction: comparison of CT and MR imaging.
RN Bryan, LM Levy, WD Whitlow… - American journal …, 1991 - Am Soc Neuroradiology
The appearance of acute cerebral infarction was evaluated on MR images and CT scans
obtained in 31 patients within 24 hr of the ictus; follow-up examinations were performed 7-10 …
obtained in 31 patients within 24 hr of the ictus; follow-up examinations were performed 7-10 …
White matter hyperintensity on cranial magnetic resonance imaging: a predictor of stroke
…, WT Longstreth Jr, AM Arnold, C Bernick, RN Bryan… - Stroke, 2004 - Am Heart Assoc
Background and Purpose— We have previously reported that several “silent” infarcts found
on magnetic resonance imaging (MRI) were a risk factor for stroke. Several recent reports …
on magnetic resonance imaging (MRI) were a risk factor for stroke. Several recent reports …
MRI signatures of brain age and disease over the lifespan based on a deep brain network and 14 468 individuals worldwide
…, J Morris, MS Albert, HJ Grabe, S Resnick, RN Bryan… - Brain, 2020 - academic.oup.com
Deep learning has emerged as a powerful approach to constructing imaging signatures of
normal brain ageing as well as of various neuropathological processes associated with brain …
normal brain ageing as well as of various neuropathological processes associated with brain …