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Showing 1 to 12 of 144 entries
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First performance evaluation of a dual-source CT (DSCT) system

evaluation

Flohr TG, McCollough CH.
GSID: 3R_OcRjZnbsJ
TG Flohr, CH McCollough, H Bruder, M Petersilka… - European …, 2006 - Springer

… We present a performance evaluation of a recently introduced dual-source computed … evaluation of basic functional parameters. With dual-segment reconstruction, the mean temporal resolution is 60 ms (minimum temporal resolution 42 ms) for advanced functional evaluation. …

Improving Middle Grades STEM Teacher Content Knowledge and Pedagogical Practices through a School-University Partnership

Minority serving Institution STEM training

Champion J, McCollough C.
GSID: guG74DdaSdgJ
C McCollough, T Jeffery, K Moore, J Champion - School-University …, 2016 - ERIC

… -Corpus Christi (TAMUCC), a Hispanic-serving institution (HSI) and has developed into strong … of two certification exam workshops taught by STEM education faculty on the content and …

5 reasons you need a mobile website.

Journal - Oklahoma Dental Association

McCollough L.
PMID: 24520607
J Okla Dent Assoc. 2013 Dec;104(9):6.

No abstract available.

Detection of increased vasa vasorum in artery walls: Improving CT number accuracy using image deconvolution.

Proceedings of SPIE--the International Society for Optical Engineering

Rajendran K, Leng S, Jorgensen SM, Abdurakhimova D, Ritman EL, McCollough CH.
PMID: 28413240
Proc SPIE Int Soc Opt Eng. 2017 Feb 11;10132. doi: 10.1117/12.2255676. Epub 2017 Mar 09.

Changes in arterial wall perfusion are an indicator of early atherosclerosis. This is characterized by an increased spatial density of vasa vasorum (VV), the micro-vessels that supply oxygen and nutrients to the arterial wall. Detection of increased VV during...

A virtual clinical trial using projection-based nodule insertion to determine radiologist reader performance in lung cancer screening CT.

Proceedings of SPIE--the International Society for Optical Engineering

Yu L, Hu Q, Koo CW, Takahashi EA, Levin DL, Johnson TF, Hora MJ, Dirks S, Chen B, McMillan K, Leng S, Fletcher JG, McCollough CH.
PMID: 28392614
Proc SPIE Int Soc Opt Eng. 2017 Feb 11;10132. doi: 10.1117/12.2255593. Epub 2017 Mar 09.

Task-based image quality assessment using model observers is promising to provide an efficient, quantitative, and objective approach to CT dose optimization. Before this approach can be reliably used in practice, its correlation with radiologist performance for the same clinical...

Attachment in substance-exposed toddlers: The role of caregiving and exposure.

Infant mental health journal

Bergin C, McCollough P.
PMID: 28636283
Infant Ment Health J. 2009 Jul;30(4):407-423. doi: 10.1002/imhj.20221.

Prenatal substance exposure is linked to adverse outcomes in children. Some adverse outcomes may result from insecure attachment and low-quality caregiving rather than from substance exposure. Little is known about the caregiving of polysubstance-using mothers. To address this, low-income...

Initial results from a prototype whole-body photon-counting computed tomography system.

Proceedings of SPIE--the International Society for Optical Engineering

Yu Z, Leng S, Jorgensen SM, Li Z, Gutjahr R, Chen B, Duan X, Halaweish AF, Yu L, Ritman EL, McCollough CH.
PMID: 26097280
Proc SPIE Int Soc Opt Eng. 2015;9412. doi: 10.1117/12.2082739.

X-ray computed tomography (CT) with energy-discriminating capabilities presents exciting opportunities for increased dose efficiency and improved material decomposition analyses. However, due to constraints imposed by the inability of photon-counting detectors (PCD) to respond accurately at high photon flux, to...

Improving the clinical evidence of bone graft substitute technology in lumbar spine surgery.

Global spine journal

Hsu WK, Nickoli MS, Wang JC, Lieberman JR, An HS, Yoon ST, Youssef JA, Brodke DS, McCullough CM.
PMID: 24353975
Global Spine J. 2012 Dec;2(4):239-48. doi: 10.1055/s-0032-1315454. Epub 2012 Oct 09.

Bone graft substitutes have been used routinely for spine fusion for decades, yet clinical evidence establishing comparative data remains sparse. With recent scrutiny paid to the outcomes, complications, and costs associated with osteobiologics, a need to improve available data...

Use of Water Equivalent Diameter for Calculating Patient Size and Size-Specific Dose Estimates (SSDE) in CT: The Report of AAPM Task Group 220.

AAPM report

McCollough C, Bakalyar DM, Bostani M, Brady S, Boedeker K, Boone JM, Chen-Mayer HH, Christianson OI, Leng S, Li B, McNitt-Gray MF, Nilsen RA, Supanich MP, Wang J.
PMID: 27546949
AAPM Rep. 2014 Sep;2014:6-23.

No abstract available.

WE-C-217A-01: Risk Estimation versus Risk Perception.

Medical physics

McCollough C.
PMID: 28519984
Med Phys. 2012 Jun;39(6):3952. doi: 10.1118/1.4736129.

The recent attention in the scientific and popular press to the potential risks associated with ionizing radiation from medical imaging has resulted in some patient becoming unwilling to undergo medically appropriate procedures that use ionizing radiation. Scientific data on...

Dual-Source Multi-Energy CT with Triple or Quadruple X-ray Beams.

Proceedings of SPIE--the International Society for Optical Engineering

Yu L, Leng S, McCollough CH.
PMID: 27330237
Proc SPIE Int Soc Opt Eng. 2016 Feb;9783. doi: 10.1117/12.2217446. Epub 2016 Mar 22.

Energy-resolved photon-counting CT (PCCT) is promising for material decomposition with multi-contrast agents. However, corrections for non-idealities of PCCT detectors are required, which are still active research areas. In addition, PCCT is associated with very high cost due to lack...

A Synthesis of What We Know About the Use of Physical Restraints and Seclusion with Patients in Psychiatric and Acute Care Settings.

The online journal of knowledge synthesis for nursing

Bower FL, McCullough CS, Timmons ME.
PMID: 12489033
Online J Knowl Synth Nurs. 2000 Jan 19;7:2.

PURPOSE: This article synthesizes research findings on the use of restraint and seclusion with patients in psychiatric and acute care settings. CONCLUSIONS: The little that is known about restraint/seclusion use with these populations is inconsistent. Attitudes and perceptions of...

Showing 1 to 12 of 144 entries