J R Petrella

Summary

Affiliation: Duke University Medical Center
Country: USA

Publications

  1. doi request reprint Effects of donepezil on cortical activation in mild cognitive impairment: a pilot double-blind placebo-controlled trial using functional MR imaging
    J R Petrella
    Department of Radiology, Alzheimer s Disease Imaging Research Laboratory and Brain Imaging and Analysis Center, Duke University Medical Center, Duke University, Durham, NC 27710, USA
    AJNR Am J Neuroradiol 30:411-6. 2009
  2. pmc Prognostic value of posteromedial cortex deactivation in mild cognitive impairment
    Jeffrey R Petrella
    Alzheimer Imaging Research Laboratory and Brain Imaging and Analysis Center, Department of Radiology, Duke University Medical Center, Durham, North Carolina, United States of America
    PLoS ONE 2:e1104. 2007
  3. pmc Default mode network connectivity in stable vs progressive mild cognitive impairment
    J R Petrella
    Department of Radiology and Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA
    Neurology 76:511-7. 2011
  4. ncbi request reprint Hippocampal atrophy confounds template-based functional MR imaging measures of hippocampal activation in patients with mild cognitive impairment
    C K Sandstrom
    Department of Radiology, Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA
    AJNR Am J Neuroradiol 27:1622-7. 2006
  5. pmc Investigation of long-term reproducibility of intrinsic connectivity network mapping: a resting-state fMRI study
    Y H Chou
    Center for the Study of Aging and Human Development, Duke University, Durham, NC 27710, USA
    AJNR Am J Neuroradiol 33:833-8. 2012
  6. ncbi request reprint Use of exponential diffusion imaging to determine the age of ischemic infarcts
    S T Engelter
    Division of Neurology, Duke University Medical Center, Durham, NC, USA
    J Neuroimaging 11:141-7. 2001
  7. ncbi request reprint In vivo amyloid imaging in Alzheimer's disease
    H I Sair
    Department of Radiology, Box 3808, Duke University Medical Center, Durham, NC 27710, USA
    Neuroradiology 46:93-104. 2004
  8. ncbi request reprint Evaluation of white matter anisotropy in Krabbe disease with diffusion tensor MR imaging: initial experience
    A C Guo
    Department of Radiology, Box 3808, Duke University Medical Center, Durham, NC 27710, USA
    Radiology 218:809-15. 2001
  9. ncbi request reprint A functional magnetic resonance imaging study of left hemisphere language dominance in children
    Lyn M Balsamo
    Department of Neurology, Children s National Medical Center, George Washington University School of Medicine, 111 Michigan Ave NW, Washington, DC 20010, USA
    Arch Neurol 59:1168-74. 2002
  10. ncbi request reprint Cortical deactivation in mild cognitive impairment: high-field-strength functional MR imaging
    Jeffrey R Petrella
    Department of Radiology, Duke University Medical Center, 1527 Hosp North, Box 3808, Durham, NC 27710, USA
    Radiology 245:224-35. 2007

Detail Information

Publications25

  1. doi request reprint Effects of donepezil on cortical activation in mild cognitive impairment: a pilot double-blind placebo-controlled trial using functional MR imaging
    J R Petrella
    Department of Radiology, Alzheimer s Disease Imaging Research Laboratory and Brain Imaging and Analysis Center, Duke University Medical Center, Duke University, Durham, NC 27710, USA
    AJNR Am J Neuroradiol 30:411-6. 2009
    ..The purpose of this study was to determine the effect of such therapy on the neural substrates underlying memory processing in subjects with MCI by using functional MR imaging (fMRI)...
  2. pmc Prognostic value of posteromedial cortex deactivation in mild cognitive impairment
    Jeffrey R Petrella
    Alzheimer Imaging Research Laboratory and Brain Imaging and Analysis Center, Department of Radiology, Duke University Medical Center, Durham, North Carolina, United States of America
    PLoS ONE 2:e1104. 2007
    ..The goal of this study was to prospectively determine the prognostic significance of PMC deactivation in mild cognitive impairment (MCI)...
  3. pmc Default mode network connectivity in stable vs progressive mild cognitive impairment
    J R Petrella
    Department of Radiology and Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA
    Neurology 76:511-7. 2011
    ....
  4. ncbi request reprint Hippocampal atrophy confounds template-based functional MR imaging measures of hippocampal activation in patients with mild cognitive impairment
    C K Sandstrom
    Department of Radiology, Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA
    AJNR Am J Neuroradiol 27:1622-7. 2006
    ..Our objective was to assess whether hippocampal atrophy confounds measurements of hippocampal activation in subjects with mild cognitive impairment (MCI)...
  5. pmc Investigation of long-term reproducibility of intrinsic connectivity network mapping: a resting-state fMRI study
    Y H Chou
    Center for the Study of Aging and Human Development, Duke University, Durham, NC 27710, USA
    AJNR Am J Neuroradiol 33:833-8. 2012
    ..The purpose of the study was to quantify the long-term test-retest reproducibility of ICN measures derived from resting-state fMRI and to assess the between-subject variation of ICN measures across the whole brain...
  6. ncbi request reprint Use of exponential diffusion imaging to determine the age of ischemic infarcts
    S T Engelter
    Division of Neurology, Duke University Medical Center, Durham, NC, USA
    J Neuroimaging 11:141-7. 2001
    ..This feature would be expected to be helpful when the distinction between acute and nonacute infarction cannot be determined on clinical grounds...
  7. ncbi request reprint In vivo amyloid imaging in Alzheimer's disease
    H I Sair
    Department of Radiology, Box 3808, Duke University Medical Center, Durham, NC 27710, USA
    Neuroradiology 46:93-104. 2004
    ..We offer a brief overview of the demographics, diagnostic criteria, and current imaging tests, followed by a review of amyloid biology and developments in cerebral amyloid imaging yielded by recent in vitro, in vivo and human studies...
  8. ncbi request reprint Evaluation of white matter anisotropy in Krabbe disease with diffusion tensor MR imaging: initial experience
    A C Guo
    Department of Radiology, Box 3808, Duke University Medical Center, Durham, NC 27710, USA
    Radiology 218:809-15. 2001
    ..To compare diffusion tensor magnetic resonance imaging with conventional T2-weighted imaging for evaluation of white matter changes in patients with Krabbe disease...
  9. ncbi request reprint A functional magnetic resonance imaging study of left hemisphere language dominance in children
    Lyn M Balsamo
    Department of Neurology, Children s National Medical Center, George Washington University School of Medicine, 111 Michigan Ave NW, Washington, DC 20010, USA
    Arch Neurol 59:1168-74. 2002
    ..Functional magnetic resonance imaging is a noninvasive method of assessing language dominance in a pediatric population...
  10. ncbi request reprint Cortical deactivation in mild cognitive impairment: high-field-strength functional MR imaging
    Jeffrey R Petrella
    Department of Radiology, Duke University Medical Center, 1527 Hosp North, Box 3808, Durham, NC 27710, USA
    Radiology 245:224-35. 2007
    ....
  11. ncbi request reprint Hippocampal volume and the Mini-Mental State Examination in the diagnosis of amnestic mild cognitive impairment
    Melissa J Slavin
    School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
    AJR Am J Roentgenol 188:1404-10. 2007
    ..The purpose of this study was to examine the diagnostic efficacy of hippocampal volumetry and the Mini-Mental State Examination (MMSE) in differentiating amnestic mild cognitive impairment from the normal changes of aging...
  12. ncbi request reprint Dynamic CT perfusion imaging with acetazolamide challenge for the preprocedural evaluation of a patient with symptomatic middle cerebral artery occlusive disease
    James D Eastwood
    Department of Radiology, Division of Neuroradiology, Box 3808 Duke University Medical Center, Durham, NC 27710 3808, USA
    AJNR Am J Neuroradiol 23:285-7. 2002
    ..Dynamic CT perfusion imaging represents a widely available and minimally invasive alternative to other available methods of cerebral perfusion imaging...
  13. ncbi request reprint Preoperative functional MR imaging localization of language and motor areas: effect on therapeutic decision making in patients with potentially resectable brain tumors
    Jeffrey R Petrella
    Department of Radiology, Division of Neuroradiology, Brain Imaging and Analysis Center, Duke University Medical Center, Box 3808, Durham, NC 27710 3808, USA
    Radiology 240:793-802. 2006
    ..To prospectively evaluate the effect of preoperative functional magnetic resonance (MR) imaging localization of language and motor areas on therapeutic decision making in patients with potentially resectable brain tumors...
  14. ncbi request reprint Mild cognitive impairment: evaluation with 4-T functional MR imaging
    Jeffrey R Petrella
    Department of Radiology, Brain Imaging and Analysis Center, Duke University Medical Center, Box 3808, Durham, NC 27710 3808, USA
    Radiology 240:177-86. 2006
    ..To prospectively assess abnormalities in brain activation patterns during encoding and retrieval in subjects with mild cognitive impairment by using 4-T functional magnetic resonance (MR) imaging...
  15. ncbi request reprint Prefrontal activation patterns in subjects at risk for Alzheimer disease
    Jeffrey R Petrella
    Am J Geriatr Psychiatry 10:112-3. 2002
  16. ncbi request reprint Neuroimaging and early diagnosis of Alzheimer disease: a look to the future
    Jeffrey R Petrella
    Department of Radiology, Duke University Medical Center, Duke Hospital North, Rm 1513, Erwin Rd, Durham, NC 27710, USA
    Radiology 226:315-36. 2003
    ..PET ligands are in late-stage development for demonstration of amyloid plaques, and human studies have already begun. Functional MR-based memory challenge tests are in development as well...
  17. ncbi request reprint Increasing memory load modulates regional brain activity in older adults as measured by fMRI
    Jeffrey R Petrella
    Department of Radiology, DUMC, Box 3808, Durham NC 27710 3808, USA
    J Neuropsychiatry Clin Neurosci 17:75-83. 2005
    ..It was concluded that the ability to modulate activity with increasing load is preserved in older adults despite reductions in neural volume...
  18. ncbi request reprint Distinction between cerebral abscesses and high-grade neoplasms by dynamic susceptibility contrast perfusion MRI
    Thomas M Holmes
    Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC 27710, USA
    AJR Am J Roentgenol 183:1247-52. 2004
    ..CONCLUSION: In this small preliminary study, dynamic susceptibility perfusion MRI allowed distinction of cerebral abscesses from rim-enhancing high-grade gliomas. Validation of these results using a prospective large study is warranted...
  19. ncbi request reprint Developmental aspects of language processing: fMRI of verbal fluency in children and adults
    William D Gaillard
    Department of Neurology, Children s National Medical Center, George Washington University School of Medicine, Washington, DC 20010, USA
    Hum Brain Mapp 18:176-85. 2003
    ..15). The brain areas that process semantic verbal fluency are similar in children and adults. The laterality of activation does not change appreciably with age and appears to be strongly lateralized by age 7 years...
  20. ncbi request reprint Imaging genetics of brain longevity and mental wellness: the next frontier?
    Jeffrey R Petrella
    Alzheimer Imaging Research Laboratory, Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC 27710, USA
    Radiology 246:20-32. 2008
    ..Selected examples will be used to illustrate how neuroimaging is being employed to study the effects of genes and how neurogenetics may affect future radiology research and practice...
  21. ncbi request reprint Functional MRI in the early diagnosis of Alzheimer's disease: is it time to refocus?
    Steven E Prince
    Expert Rev Neurother 8:169-75. 2008
  22. ncbi request reprint Comparison of permeability in high-grade and low-grade brain tumors using dynamic susceptibility contrast MR imaging
    James M Provenzale
    Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC 27710, USA
    AJR Am J Roentgenol 178:711-6. 2002
    ..Our hypothesis was that permeability measurements using a T2(*)-weighted technique would show permeability in high-grade neoplasms to be higher than that in low-grade neoplasms...
  23. ncbi request reprint Infarct volume on apparent diffusion coefficient maps correlates with length of stay and outcome after middle cerebral artery stroke
    Stefan T Engelter
    Department of Radiology, Duke University Medical Center, Durham, NC, USA
    Cerebrovasc Dis 15:188-91. 2003
    ..ADC maps, unlike DWI (which have contributions from T2 properties), solely reflect diffusion properties. Recent studies indicate that severity of neurological deficit corresponds with degree of ADC alteration...
  24. ncbi request reprint Accuracy of spatial normalization of the hippocampus: implications for fMRI research in memory disorders
    Sriyesh Krishnan
    Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
    Neuroimage 31:560-71. 2006
    ..These findings suggest decreased normalization accuracy in memory-impaired subjects is a potentially important confounder of template-based fMRI analyses in the hippocampus and MTL...
  25. ncbi request reprint Current status of functional MR imaging, perfusion-weighted imaging, and diffusion-tensor imaging in Alzheimer's disease diagnosis and research
    Sriyesh Krishnan
    Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
    Neuroimaging Clin N Am 15:853-68, xi. 2005
    ..Assessment of the diagnostic efficacy of these technologies in detecting early Alzheimer's disease in its preclinical and prodromal stages is ongoing...