Search Results - "Stevens, Donna"

The feasibility of patient size-corrected, scanner-independent organ dose estimates for abdominal CT exams by Turner, Adam C., Zhang, Di, Khatonabadi, Maryam, Zankl, Maria, DeMarco, John J., Cagnon, Chris H., Cody, Dianna D., Stevens, Donna M., McCollough, Cynthia H., McNitt-Gray, Michael F.

“…Purpose: A recent work has demonstrated the feasibility of estimating the dose to individual organs from multidetector CT exams using patient-specific,…”
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The feasibility of a scanner‐independent technique to estimate organ dose from MDCT scans: Using CTDIvol to account for differences between scanners by Turner, Adam C., Zankl, Maria, DeMarco, John J., Cagnon, Chris H., Zhang, Di, Angel, Erin, Cody, Dianna D., Stevens, Donna M., McCollough, Cynthia H., McNitt‐Gray, Michael F.

“…Purpose: Monte Carlo radiation transport techniques have made it possible to accurately estimate the radiation dose to radiosensitive organs in patient models…”
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Assessment of display performance for medical imaging systems: Executive summary of AAPM TG18 report by Samei, Ehsan, Badano, Aldo, Chakraborty, Dev, Compton, Ken, Cornelius, Craig, Corrigan, Kevin, Flynn, Michael J., Hemminger, Bradley, Hangiandreou, Nick, Johnson, Jeffrey, Moxley-Stevens, Donna M., Pavlicek, William, Roehrig, Hans, Rutz, Lois, Samei, Ehsan, Shepard, Jeffrey, Uzenoff, Robert A., Wang, Jihong, Willis, Charles E.

“…Digital imaging provides an effective means to electronically acquire, archive, distribute, and view medical images. Medical imaging display stations are an…”
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Radiation dose to the fetus for pregnant patients undergoing multidetector CT imaging: Monte Carlo simulations estimating fetal dose for a range of gestational age and patient size by Angel, Erin, Wellnitz, Clinton V, Goodsitt, Mitchell M, Yaghmai, Nazanin, DeMarco, John J, Cagnon, Christopher H, Sayre, James W, Cody, Dianna D, Stevens, Donna M, Primak, Andrew N, McCollough, Cynthia H, McNitt-Gray, Michael F

“…To use Monte Carlo simulations of a current-technology multidetector computed tomographic (CT) scanner to investigate fetal radiation dose resulting from an…”
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A method to generate equivalent energy spectra and filtration models based on measurement for multidetector CT Monte Carlo dosimetry simulations by Turner, Adam C., Zhang, Di, Kim, Hyun J., DeMarco, John J., Cagnon, Chris H., Angel, Erin, Cody, Dianna D., Stevens, Donna M., Primak, Andrew N., McCollough, Cynthia H., McNitt-Gray, Michael F.

“…The purpose of this study was to present a method for generating x-ray source models for performing Monte Carlo (MC) radiation dosimetry simulations of…”
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Dose to Radiosensitive Organs During Routine Chest CT: Effects of Tube Current Modulation by Angel, Erin, Yaghmai, Nazanin, Jude, Cecilia Matilda, DeMarco, John J, Cagnon, Christopher H, Goldin, Jonathan G, McCollough, Cynthia H, Primak, Andrew N, Cody, Dianna D, Stevens, Donna M, McNitt-Gray, Michael F

“…The aims of this study were to estimate the dose to radiosensitive organs (glandular breast and lung) in patients of various sizes undergoing routine chest CT…”
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Monte Carlo simulations to assess the effects of tube current modulation on breast dose for multidetector CT by Angel, Erin, Yaghmai, Nazanin, Jude, Cecilia Matilda, Demarco, John J, Cagnon, Christopher H, Goldin, Jonathan G, Primak, Andrew N, Stevens, Donna M, Cody, Dianna D, McCollough, Cynthia H, McNitt-Gray, Michael F

“…Tube current modulation was designed to reduce radiation dose in CT imaging while maintaining overall image quality. This study aims to develop a method for…”
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AAPM medical physics practice guideline 6.a.: Performance characteristics of radiation dose index monitoring systems by Gress, Dustin A., Dickinson, Renee L., Erwin, William D., Jordan, David W., Kobistek, Robert J., Stevens, Donna M., Supanich, Mark P., Wang, Jia, Fairobent, Lynne A.

“…The American Association of Physicists in Medicine (AAPM) is a nonprofit professional society whose primary purposes are to advance the science, education and…”
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Peak Skin and Eye Lens Radiation Dose From Brain Perfusion CT Based on Monte Carlo Simulation by DI ZHANG, CAGNON, Chris H, MCNITT-GRAY, Michael F, PABLO VILLABLANCA, J, MCCOLLOUGH, Cynthia H, CODY, Dianna D, STEVENS, Donna M, ZANKL, Maria, DEMARCO, John J, TURNER, Adam C, KHATONABADI, Maryam

“…The purpose of our study was to accurately estimate the radiation dose to skin and the eye lens from clinical CT brain perfusion studies, investigate how well…”
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AAPM medical physics practice guideline 10.a.: Scope of practice for clinical medical physics by Clements, Jessica B., Baird, Christopher T., Boer, Steven F., Fairobent, Lynne A., Fisher, Tyler, Goodwin, James H., Gress, Dustin A., Johnson, Jennifer Lynn, Kolsky, Kathryn L., Mageras, Gig S., Marsh, Rebecca M., Martin, Melissa C., Parker, Brent, Pavord, Daniel C., Schell, Michael C., Anthony Seibert, J., Stevens, Donna M., Tarver, Russell B., Waite‐Jones, Christopher G., Wingreen, Nicholai

“…The American Association of Physicists in Medicine (AAPM) is a nonprofit professional society whose primary purposes are to advance the science, education, and…”
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Diverse Models of Home-Based Palliative Care: Key Principles from Four Programs for Impact on Quality and Cost (SA522) by Meier, Diane, MD FACP FAAHPM, Hooper, Richelle Nugent, MBA MSN FNP-BC ACHPN, Lustbader, Dana, MD, Parker, Robert, DNP RN CENP CHPN, Stevens, Donna, BS

“…An abstract of the study by Meier et al describing the role of home-based palliative care in the continuum of palliative care programs, is presented…”
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Helical Multidetector Row Quantitative Computed Tomography (QCT) Precision by Bligh, Michael, MS, Bidaut, Luc, PhD, White, R. Allen, PhD, Murphy, William A., MD, Stevens, Donna M., MS, Cody, Dianna D., PhD

“…Rationale and Objectives The impact of varying image acquisition parameters on the precision of measurements using quantitative computed tomography is…”
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Variability of surface and center position radiation dose in MDCT: Monte Carlo simulations using CTDI and anthropomorphic phantoms by Zhang, Di, Savandi, Ali S., Demarco, John J., Cagnon, Chris H., Angel, Erin, Turner, Adam C., Cody, Dianna D., Stevens, Donna M., Primak, Andrew N., McCollough, Cynthia H., McNitt-Gray, Michael F.

“…The larger coverage afforded by wider z -axis beams in multidetector CT (MDCT) creates larger cone angles and greater beam divergence, which results in…”
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Evaluation of over 100 scanner-years of computed tomography daily quality control data by Nute, Jessica L., Rong, John, Stevens, Donna M., Darensbourg, Brandan J., Cheng, Jing, Wei, Wei, Hobbs, Brian P., Cody, Dianna D.

“…Purpose: The results of a long-term, comprehensive CT quality control (QC) program were analyzed to investigate differences in failure rates based on QC test,…”
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Reducing Radiation Exposure from Survey CT Scans by O'Daniel, Jennifer C, Stevens, Donna M, Cody, Dianna D

“…The purpose of this study was to focus attention on the technique factors commonly used in survey CT scans (e.g., scout, topogram, or pilot scans) to measure…”
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Delivering specialized palliative care in the community: a new role for nurse practitioners by Deitrick, Lynn M, Rockwell, Elke H, Gratz, Nancy, Davidson, Carolyn, Lukas, Lou, Stevens, Donna, Fitzgerald, Gretchen, Naugle, Michele, Wolf, Jacaline, Sikora, Barbara

“…The rising population of older Americans with advanced illness challenges current care delivery models. We use the metaphor of advanced illness as a difficult…”
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Decreasing the effective radiation dose in pediatric craniofacial CT by changing head position by Didier, Ryne A., Kuang, Anna A., Schwartz, Daniel L., Selden, Nathan R., Stevens, Donna M., Bardo, Dianna M. E.

“…Background Children are exposed to ionizing radiation during pre- and post-operative evaluation for craniofacial surgery. Objective The primary purpose of the…”
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Home-Based Palliative Care: Defining a Successful Model (P7) by Ray, Daniel, MD MS, Stevens, Donna, BS, Wolf, Jackie, CRNP ACHPN, Perlow, Kathy, BBA, Fitzgerald, Gretchen, CRNP ACHPN, Sikora, Barbara, AAS LPN, Bresnan, Kristin, MD, Gutierrez, Laura, Lehmann, Renee, CRNP, Naugle, Michele, MS BS RN CRNP ACHPN, Rockwell, Elke, PhD MSS

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Straddling Fee-for-Service and Value-Based Payment: Eight Ways to Keep Your Palliative Care Program Funded and Growing (FR473) by Gualtieri-Reed, Tom, Stevens, Donna

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Multi-detector row CT artifacts that mimic disease by Cody, Dianna D, Stevens, Donna M, Ginsberg, Lawrence E

“…To determine retrospectively the frequency of two artifact patterns that mimic pathologic lesions on computed tomographic (CT) head images acquired in the…”
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