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de Souza N, Esopenko C, Jia Y, Parrott JS, Merkley T, Dennis E, Hillary F, Velez C, Cooper D, Kennedy J, Lewis J, York G, Menefee D, McCauley S, Bowles AO, Wilde E, Tate DF. Discriminating Mild Traumatic Brain Injury and Posttraumatic Stress Disorder Using Latent Neuroimaging and Neuropsychological Profiles in Active-Duty Military Service Members. J Head Trauma Rehabil 2023; 38:E254-E266. [PMID: 36602276 PMCID: PMC10264548 DOI: 10.1097/htr.0000000000000848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVE Mild traumatic brain injury (mTBI) and posttraumatic stress disorder (PTSD) commonly occur among military Service Members and Veterans and have heterogenous, but also overlapping symptom presentations, which often complicate the diagnoses of underlying impairments and development of effective treatment plans. Thus, we sought to examine whether the combination of whole brain gray matter (GM) and white matter (WM) structural measures with neuropsychological performance can aid in the classification of military personnel with mTBI and PTSD. METHODS Active-Duty US Service Members ( n = 156; 87.8% male) with a history of mTBI, PTSD, combined mTBI+PTSD, or orthopedic injury completed a neuropsychological battery and T1- and diffusion-weighted structural neuroimaging. Cortical, subcortical, ventricular, and WM volumes and whole brain fractional anisotropy (FA), mean diffusivity (MD), radial diffusivity (RD), and axial diffusivity (AD) were calculated. Latent profile analyses were performed to determine how the GM and WM indicators, together with neuropsychological indicators, classified individuals. RESULTS For both GM and WM, respectively, a 4-profile model was the best fit. The GM model identified greater ventricular volumes in Service Members with cognitive symptoms, including those with a diagnosis of mTBI, either alone or with PTSD. The WM model identified reduced FA and elevated RD in those with psychological symptoms, including those with PTSD or mTBI and comorbid PTSD. However, contrary to expectation, a global neural signature unique to those with comorbid mTBI and PTSD was not identified. CONCLUSIONS The findings demonstrate that neuropsychological performance alone is more robust in differentiating Active-Duty Service Members with mTBI and PTSD, whereas global neuroimaging measures do not reliably differentiate between these groups.
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Affiliation(s)
- N.L. de Souza
- School of Graduate Studies, Biomedical Sciences, Rutgers Biomedical and Health Sciences, Newark, NJ, USA
| | - C. Esopenko
- Department of Rehabilitation & Movement Sciences, School of Health Professions, Rutgers Biomedical and Health Sciences, Newark, NJ, USA
| | - Y. Jia
- Department of Interdisciplinary Studies, School of Health Professions, Rutgers Biomedical and Health Sciences, Newark, NJ, USA
| | - J. S. Parrott
- Department of Interdisciplinary Studies, School of Health Professions, Rutgers Biomedical and Health Sciences, Newark, NJ, USA
| | - T.L. Merkley
- Department of Psychology & Neuroscience Center, Brigham Young University, Provo, UT, USA
- Traumatic Brain Injury and Concussion Center, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - E.L. Dennis
- Traumatic Brain Injury and Concussion Center, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA
- George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT
| | - F.G. Hillary
- Department of Psychology, Pennsylvania State University, University Park, PA 16802, United States
- Social Life and Engineering Sciences Imaging Center, University Park, PA 16802, United States
| | - C. Velez
- Traumatic Brain Injury and Concussion Center, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - D.B. Cooper
- San Antonio VA Polytrauma Rehabilitation Center, San Antonio, TX
- Departments of Rehabilitation Medicine and Psychiatry, UT Health San Antonio, TX
| | - J. Kennedy
- General Dynamics Information Technology (GDIT) contractor for the Traumatic Brain Injury Center of Excellence (TBICoE), Neurology Service, Department of Medicine, Brooke Army Medical Center, Joint Base San Antonio, Fort Sam Houston, TX, USA
| | - J. Lewis
- Neurology Clinic, Wright Patterson Air Force Base, Wright Patterson AFB, Ohio
| | - G. York
- Alaska Radiology Associates, Anchorage, AK
| | - D.S. Menefee
- Michael E. DeBakey VA Medical Center, Houston, TX, USA
- The Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX USA
| | - S.R. McCauley
- Department of Neurology, Baylor College of Medicine, Houston, TX USA
- H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX USA
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
| | - A. O. Bowles
- Brain Injury Rehabilitation Service, Department of Rehabilitation Medicine, Brooke Army Medical Center, Joint Base San Antonio, Fort Sam Houston, TX, US
| | - E.A. Wilde
- Traumatic Brain Injury and Concussion Center, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA
- George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT
- H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX USA
| | - D. F. Tate
- Traumatic Brain Injury and Concussion Center, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA
- George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT
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Kimble M, Allers S, Campbell K, Chen C, Jackson LM, King BL, Silverbrand S, York G, Beard K. medna-metadata: an open-source data management system for tracking environmental DNA samples and metadata. Bioinformatics 2022; 38:4589-4597. [PMID: 35960154 PMCID: PMC9524998 DOI: 10.1093/bioinformatics/btac556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/23/2022] [Accepted: 08/09/2022] [Indexed: 12/24/2022] Open
Abstract
MOTIVATION Environmental DNA (eDNA), as a rapidly expanding research field, stands to benefit from shared resources including sampling protocols, study designs, discovered sequences, and taxonomic assignments to sequences. High-quality community shareable eDNA resources rely heavily on comprehensive metadata documentation that captures the complex workflows covering field sampling, molecular biology lab work, and bioinformatic analyses. There are limited sources that provide documentation of database development on comprehensive metadata for eDNA and these workflows and no open-source software. RESULTS We present medna-metadata, an open-source, modular system that aligns with Findable, Accessible, Interoperable, and Reusable guiding principles that support scholarly data reuse and the database and application development of a standardized metadata collection structure that encapsulates critical aspects of field data collection, wet lab processing, and bioinformatic analysis. Medna-metadata is showcased with metabarcoding data from the Gulf of Maine (Polinski et al., 2019). AVAILABILITY AND IMPLEMENTATION The source code of the medna-metadata web application is hosted on GitHub (https://github.com/Maine-eDNA/medna-metadata). Medna-metadata is a docker-compose installable package. Documentation can be found at https://medna-metadata.readthedocs.io/en/latest/?badge=latest. The application is implemented in Python, PostgreSQL and PostGIS, RabbitMQ, and NGINX, with all major browsers supported. A demo can be found at https://demo.metadata.maine-edna.org/. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- M Kimble
- To whom correspondence should be addressed.
| | - S Allers
- Department of Molecular and Biomedical Sciences, University of Maine, Orono, ME 04469, USA
| | - K Campbell
- School of Computing and Information Science, University of Maine, Orono, ME 04469, USA
| | - C Chen
- School of Computing and Information Science, University of Maine, Orono, ME 04469, USA
| | - L M Jackson
- Advanced Research Computing, Security and Information Management, University of Maine, Orono, ME 04469, USA,Maine EPSCoR, University of Maine, Orono, ME 04469, USA
| | - B L King
- Department of Molecular and Biomedical Sciences, University of Maine, Orono, ME 04469, USA
| | - S Silverbrand
- School of Marine Sciences, University of Maine, Orono, ME 04469, USA
| | - G York
- Environmental DNA Laboratory, Coordinated Operating Research Entities, University of Maine, Orono, ME 04469, USA
| | - K Beard
- School of Computing and Information Science, University of Maine, Orono, ME 04469, USA
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Wintermark M, Coombs L, Druzgal TJ, Field AS, Filippi CG, Hicks R, Horton R, Lui YW, Law M, Mukherjee P, Norbash A, Riedy G, Sanelli PC, Stone JR, Sze G, Tilkin M, Whitlow CT, Wilde EA, York G, Provenzale JM. Traumatic brain injury imaging research roadmap. AJNR Am J Neuroradiol 2015; 36:E12-23. [PMID: 25655872 DOI: 10.3174/ajnr.a4254] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The past decade has seen impressive advances in the types of neuroimaging information that can be acquired in patients with traumatic brain injury. However, despite this increase in information, understanding of the contribution of this information to prognostic accuracy and treatment pathways for patients is limited. Available techniques often allow us to infer the presence of microscopic changes indicative of alterations in physiology and function in brain tissue. However, because histologic confirmation is typically lacking, conclusions reached by using these techniques remain solely inferential in almost all cases. Hence, a need exists for validation of these techniques by using data from large population samples that are obtained in a uniform manner, analyzed according to well-accepted procedures, and correlated with closely monitored clinical outcomes. At present, many of these approaches remain confined to population-based research rather than diagnosis at an individual level, particularly with regard to traumatic brain injury that is mild or moderate in degree. A need and a priority exist for patient-centered tools that will allow advanced neuroimaging tools to be brought into clinical settings. One barrier to developing these tools is a lack of an age-, sex-, and comorbidities-stratified, sequence-specific, reference imaging data base that could provide a clear understanding of normal variations across populations. Such a data base would provide researchers and clinicians with the information necessary to develop computational tools for the patient-based interpretation of advanced neuroimaging studies in the clinical setting. The recent "Joint ASNR-ACR HII-ASFNR TBI Workshop: Bringing Advanced Neuroimaging for Traumatic Brain Injury into the Clinic" on May 23, 2014, in Montreal, Quebec, Canada, brought together neuroradiologists, neurologists, psychiatrists, neuropsychologists, neuroimaging scientists, members of the National Institute of Neurologic Disorders and Stroke, industry representatives, and other traumatic brain injury stakeholders to attempt to reach consensus on issues related to and develop consensus recommendations in terms of creating both a well-characterized normative data base of comprehensive imaging and ancillary data to serve as a reference for tools that will allow interpretation of advanced neuroimaging tests at an individual level of a patient with traumatic brain injury. The workshop involved discussions concerning the following: 1) designation of the policies and infrastructure needed for a normative data base, 2) principles for characterizing normal control subjects, and 3) standardizing research neuroimaging protocols for traumatic brain injury. The present article summarizes these recommendations and examines practical steps to achieve them.
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Affiliation(s)
- M Wintermark
- From the Neuroradiology Division (M.W.), Department of Radiology, Stanford University, Stanford, California
| | - L Coombs
- American College of Radiology (L.C., M.T., R. Horton), Reston, Virginia
| | | | - A S Field
- Neuroradiology Section (A.S.F.), Department of Radiology, University of Wisconsin, Madison, Wisconsin
| | - C G Filippi
- Department of Radiology (C.G.F.), Columbia University, New York, New York Department of Radiology (C.G.F., P.C.S.), North Shore-Long Island Jewish Health System, Manhasset, New York
| | - R Hicks
- One Mind (R. Hicks), Seattle, Washington
| | - R Horton
- American College of Radiology (L.C., M.T., R. Horton), Reston, Virginia
| | - Y W Lui
- Neuroradiology Division (Y.W.L.), Department of Radiology, NYU School of Medicine, New York, New York
| | - M Law
- Neuroradiology Section (M.L.), Department of Radiology, University of Southern California, Los Angeles, California
| | - P Mukherjee
- Neuroradiology Section (P.M.), Department of Radiology, University of California, San Francisco, San Francisco, California
| | - A Norbash
- Department of Radiology (A.N.), Boston University School of Medicine, Boston, Massachusetts
| | - G Riedy
- National Intrepid Center of Excellence (G.R.), Washington, DC
| | - P C Sanelli
- Department of Radiology (C.G.F., P.C.S.), North Shore-Long Island Jewish Health System, Manhasset, New York
| | - J R Stone
- Departments of Radiology (T.J.D., J.R.S.) Medical Imaging and Neurological Surgery (J.R.S.), University of Virginia, Charlottesville, Virginia
| | - G Sze
- Neuroradiology Section (G.S.), Department of Radiology, Yale University, New Haven, Connecticut
| | - M Tilkin
- American College of Radiology (L.C., M.T., R. Horton), Reston, Virginia
| | - C T Whitlow
- Department of Radiology-Neuroradiology and Translational Science Institute (C.T.W.), Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - E A Wilde
- Departments of Physical Medicine and Rehabilitation, Neurology, and Radiology (E.A.W.), Baylor College of Medicine, Houston, Texas
| | - G York
- San Antonio Military Medical Center (G.Y.), San Antonio, Texas
| | - J M Provenzale
- Department of Radiology (J.M.P.), Duke University Medical Center, Durham, North Carolina
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Pack D, DeLima P, Toussaint G, York G. Cooperative Control of UAVs for Localization of Intermittently Emitting Mobile Targets. ACTA ACUST UNITED AC 2009; 39:959-70. [DOI: 10.1109/tsmcb.2008.2010865] [Citation(s) in RCA: 127] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Smith SD, DeSimone JM, Huang H, York G, Dwight DW, Wilkes GL, McGrath JE. Synthesis and characterization of poly(methyl methacrylate)-g-poly(dimethylsiloxane)copolymers. I. Bulk and surface characterization. Macromolecules 2002. [DOI: 10.1021/ma00036a002] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
Since the introduction of medical ultrasound in the 1950s, modern diagnostic ultrasound has progressed to see many major diagnostic tools come into widespread clinical use, such as B-mode imaging, color-flow imaging, and spectral Doppler. New applications, such as panoramic imaging, three-dimensional imaging, and quantitative imaging, are now beginning to be offered on some commercial ultrasound machines and are expected to grow in popularity. In this review, we focus on the various algorithms, their processing requirements, and the challenges of these ultrasound modes. Whereas the older, mature B and color-flow modes could be systolically implemented using hardwired components and boards, new applications, such as three-dimensional imaging and image feature extraction, are being implemented more by using programmable processors. This trend toward programmable ultrasound machines will continue, because the programmable approach offers the advantages of quick implementation of new applications without any additional hardware and the flexibility to adapt to the changing requirements of these dynamic new applications.
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Affiliation(s)
- G York
- Image Computing Systems Laboratory, Departments of Electrical Engineering and Bioengineering, University of Washington, Seattle, Washington 98195-7962, USA
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Abstract
Most current picture archiving and communication systems (PACS) are designed for a single department or a single modality. Few PACS installations have been deployed that support the needs of the hospital or the entire Integrated Delivery Network (IDN). The authors propose a new image management architecture that can support a large, distributed enterprise.
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Affiliation(s)
- G York
- Emageon, Inc, Birmingham, AL 35242, USA.
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Stojadinovic A, Shriver CD, Casler JD, Gaertner EM, York G, Jaques DP. Endoscopic laser excision of ectopic pyriform sinus parathyroid adenoma. Arch Surg 1998; 133:101-3. [PMID: 9438768 DOI: 10.1001/archsurg.133.1.101] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- A Stojadinovic
- General Surgery Service, Walter Reed Army Medical Center, Washington, DC 20307, USA
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Chouly C, Colquhoun IJ, Jodelet A, York G, Walker GC. NMR studies of succinoglycan repeating-unit octasaccharides from Rhizobium meliloti and Agrobacterium radiobacter. Int J Biol Macromol 1995; 17:357-63. [PMID: 8789340 DOI: 10.1016/0141-8130(96)81846-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Complete 1H and 13C-nuclear magnetic resonance assignments have been obtained for the octasaccharide repeating units of the bacterial polysaccharide succinoglycan from Rhizobium meliloti Rm1021 and Agrobacterium radiobacter NCIB 11883. The assignments were used to determine the locations of the O-succinyl and O-acetyl substituents. The O-acetyl substituent in Rm1021 was attached to the 3rd residue from the reducing end, and the O-succinyl group was attached to the 7th residue in both octasaccharides. The structure of the Rm1021 octasaccharide is as shown below: [formula: see text] A small amount of succinate was also attached to C6 of the 6th residue in both octasaccharides.
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Affiliation(s)
- C Chouly
- Institute of Food Research, Norwich Laboratory, UK
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Brandt P, Elsbernd C, Patel N, York G, McGrath J. Synthesis and characterization of perfectly alternating polyorganosiloxane—Polyarylester and —Poly(aryl formal) block copolymers. POLYMER 1990. [DOI: 10.1016/0032-3861(90)90372-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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York G. Next! Cashing in on our Medicare system. CPJ 1989; 122:594-6, 629. [PMID: 10296524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
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Affiliation(s)
- E. Homburger
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
| | - W. A. Himwich
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
| | - B. Etsten
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
| | - G. York
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
| | - R. Maresca
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
| | - H. E. Himwich
- From the Department of Physiology and Pharmacology, Albany Medical College, Union University, Albany, New York
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