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Heward E, Dempsey J, Molloy J, Isba R, Lunn J, Ashcroft DM, Hay AD, Nichani JR, Bruce IA. Outcome measures for use in trials of paediatric otorrhoea: A systematic review. Int J Pediatr Otorhinolaryngol 2024; 176:111820. [PMID: 38103308 DOI: 10.1016/j.ijporl.2023.111820] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/24/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Paediatric otorrhoea (PO) describes a middle ear infection that results in a perforation of the tympanic membrane and ear discharge, in children and young people (CYP). Prolonged infection may be associated with hearing loss and developmental delay. The current management of paediatric otorrhoea is variable, including non-invasive treatments (conservative, oral antibiotics, topical antibiotics) and surgery, reflecting the lack of a sufficiently strong evidence base. Outcome reporting is fundamental to producing reliable and meaningful evidence to inform best practice. OBJECTIVES Primary objective: to determine which outcome measures are currently used to evaluate treatment success in studies of non-surgical treatments for paediatric otorrhoea. SECONDARY OBJECTIVES to identify outcome measurement instruments used in the literature and assess their applicability for use in clinical trials of PO. METHODS This systematic review was registered with PROSPERO (CRD42023407976). Database searches of EMBASE, MEDLINE and Cochrane was performed on June 6, 2023, covering from Jan 1995 to May 2023. Randomised controlled trials or study protocols involving CYP with PO were included following PRISMA guidelines. Risk of bias was assessed with Cochrane's tool. RESULTS Of the 377 papers identified, six were included in the systematic review. The primary outcome of five of the studies related to otorrhoea cessation; both time to cessation and proportion recovered at various time points were used as measures. Two measurement instruments were identified: Otitis Media-6 Questionnaire and the Institute for Medical Technology Assessment Productivity Cost Questionnaire. Both were shown to be applicable measurement instruments when used in clinical trials of PO. CONCLUSIONS To promote homogeneity and facilitate meaningful comparison and combination of studies, we propose that time to cessation of otorrhoea from onset of otorrhoea should be used as the primary outcome in future studies. Further research is needed to establish if this is the most important outcome to children and their caregivers.
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Affiliation(s)
- Elliot Heward
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Royal Manchester Children's Hospital, Manchester University Hospitals NHS Foundation Trust, UK.
| | - James Dempsey
- Royal Manchester Children's Hospital, Manchester University Hospitals NHS Foundation Trust, UK
| | - John Molloy
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Royal Manchester Children's Hospital, Manchester University Hospitals NHS Foundation Trust, UK
| | - Rachel Isba
- Alder Hey Children's NHS Foundation Trust, UK
| | - Judith Lunn
- Lancaster Medical School, Lancaster University, Health Innovation One, Sir John Fisher Drive, Lancaster, UK
| | - Darren M Ashcroft
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; NIHR Greater Manchester Patient Safety Translational Research Centre (PSTRC), University of Manchester, UK
| | - Alastair D Hay
- Centre for Academic Primary Care, Bristol Medical School, Population Health Sciences, University of Bristol, Bristol, UK
| | - Jaya R Nichani
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Royal Manchester Children's Hospital, Manchester University Hospitals NHS Foundation Trust, UK
| | - Iain A Bruce
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Royal Manchester Children's Hospital, Manchester University Hospitals NHS Foundation Trust, UK
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Heward E, Dempsey J, Lunn J, Molloy J, Isba R, Carr M, Ashcroft D, Hay AD, Nichani JR, Bruce IA. Protocol for the Paediatric Otorrhoea Study (POSt): a multi-methods study to understand the burden of paediatric otorrhoea in the UK. BMJ Open 2023; 13:e078052. [PMID: 37669838 PMCID: PMC10481712 DOI: 10.1136/bmjopen-2023-078052] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 08/21/2023] [Indexed: 09/07/2023] Open
Abstract
INTRODUCTION Paediatric otorrhoea (PO) refers to the leakage of fluid through a perforation in the ear drum, resulting from an infection of the middle ear of a child or young person (CYP). PO frequently results in hearing loss which may lead to developmental delay, restricted communication and reduced educational attainment.Epidemiological information for PO is largely derived from low-income countries. The aim of this study will be to establish the incidence of PO within the UK and to understand the impact of PO on CYP and their families' everyday lives. It will build the foundations for a randomised controlled trial investigating the best antibiotic treatment for PO. METHODS AND ANALYSIS The study will consist of two work packages. (1) Data from the Clinical Practice Research Datalink (CPRD), January 2005 to July 2021, will be used to determine the incidence of patient presentations with PO to primary care in the UK. It will also explore the current antimicrobial prescribing practice for PO in primary care. (2) Thirty semi-structured interviews will be conducted from 13 July to 31 October 2023 with CYP and their parents/carers to help identify the impact of PO on everyday life, the patient journey and how service users define treatment success. Three medical professional focus groups will be used to understand the current management practice, how treatment success is measured and acceptability to randomise patients. Thematic analysis will be used. ETHICS AND DISSEMINATION The Health Research Authority, The Health and Social Care Research Ethics Committee (23/NI/0082) and the CPRD's research data governance panel (22_002508) reviewed this study. Results will be disseminated at medical conferences, in peer-reviewed journals and via social media. The study will cocreate a webpage on healthtalk.org, with the Dipex Charity, about PO to ensure members of the public can learn more about the condition. TRIAL REGISTRATION NUMBER ISRCTN46071200.
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Affiliation(s)
- Elliot Heward
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - James Dempsey
- Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | | | - John Molloy
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Rachel Isba
- Lancaster University, Lancaster, UK
- Alder Hey Children's NHS Foundation Trust, Liverpool, UK
| | - Matthew Carr
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Darren Ashcroft
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- NIHR Greater Manchester Patient Safety Research Collaboration (PSRC), The University of Manchester, Manchester, UK
| | - Alastair D Hay
- Centre for Academic Primary Care, Bristol Medical School: Population Health Sciences, University of Bristol, Bristol, UK
| | - Jaya R Nichani
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Iain A Bruce
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
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Bangalang N, Nadji J, Nayinggul A, Nadji S, Nayinggul A, Dempsey S, Mangiru K, Dempsey J, McCartney S, Mairi Macdonald J, Robinson CJ. Understanding Indigenous values and priorities for wetlands to guide weed management actions: Lessons from the Nardab floodplain in northern Australia’s Kakadu National Park. Eco Management Restoration 2022. [DOI: 10.1111/emr.12542] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Li H, Chen HC, Dolly S, Li H, Fischer-Valuck B, Victoria J, Dempsey J, Ruan S, Anastasio M, Mazur T, Gach M, Kashani R, Green O, Rodriguez V, Gay H, Thorstad W, Mutic S. An integrated model-driven method for in-treatment upper airway motion tracking using cine MRI in head and neck radiation therapy. Med Phys 2016; 43:4700. [DOI: 10.1118/1.4955118] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Sharab LY, Morford LA, Dempsey J, Falcão-Alencar G, Mason A, Jacobson E, Kluemper GT, Macri JV, Hartsfield JK. Genetic and treatment-related risk factors associated with external apical root resorption (EARR) concurrent with orthodontia. Orthod Craniofac Res 2016; 18 Suppl 1:71-82. [PMID: 25865535 DOI: 10.1111/ocr.12078] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2014] [Indexed: 01/11/2023]
Abstract
OBJECTIVE As genetic variation accounts for two-thirds of the variation in external apical root resorption (EARR) concurrent with orthodontic treatment, we analyzed the association of selected genetic and treatment-related factors with EARR concurrent with orthodontic treatment. SETTING AND SAMPLE POPULATION This case-control study of 134 unrelated, orthodontically treated Caucasian individuals was conducted in part at an Indiana Private Practice, Indiana University and the University of Kentucky. METHODS Utilizing a research data bank containing information from ~1450 orthodontically treated patients, pre- and post-treatment radiographs from 460 individuals were evaluated for EARR of the four permanent maxillary incisors. Sixty-seven unrelated Caucasians with moderate to severe EARR were identified and were age-/sex-matched with orthodontically treated Caucasian controls yielding 38 females and 29 males per group. Factors tested for an association with EARR included the following: 1) treatment duration, 2) extraction of maxillary premolars, 3) numerous cephalometric measurements, and 4) DNA polymorphisms within/near candidate genes in a pathway previously implicated in EARR such as the purinergic-receptor-P2X, ligand-gated ion channel 7 (P2RX7; rs208294, rs1718119, and rs2230912), caspase-1 (CASP1; rs530537, rs580253, and rs554344), interleukin-1 beta (IL1B; rs1143634), interleukin-1 alpha (IL1A; rs1800587), and interleukin-1 receptor antagonist (IL1RA; rs419598) genes. Stepwise logistic regression was utilized to identify the factors significantly associated (significance taken at or less than the layered Bonferroni correction alpha) with the occurrence of EARR. RESULTS A long length of treatment and the presence of specific genotypes for P2RX7 SNP rs208294 were significantly associated with EARR. CONCLUSION EARR occurrence was associated with both genetic and treatment-related variables, which together explained 25% of the total variation associated with EARR in the sample tested.
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Affiliation(s)
- L Y Sharab
- Department of Oral Health Practice, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - L A Morford
- Department of Oral Health Science, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - J Dempsey
- Department of Oral Health Science, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - G Falcão-Alencar
- Hereditary Genomics Laboratory, Center for Oral Health Research, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - A Mason
- Department of Oral Health Science, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - E Jacobson
- Hereditary Genomics Laboratory, Center for Oral Health Research, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - G T Kluemper
- Department of Oral Health Science, University of Kentucky College of Dentistry, Lexington, KY, USA
| | - J V Macri
- Department of Orthodontics and Oral Facial Genetics, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - J K Hartsfield
- Department of Oral Health Science, University of Kentucky College of Dentistry, Lexington, KY, USA
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Mutic S, Low D, Chmielewski T, Fought G, Hernandez M, Kawrakow I, Sharma A, Shvartsman S, Dempsey J. TU-H-BRA-08: The Design and Characteristics of a Novel Compact Linac-Based MRI Guided Radiation Therapy (MR-IGRT) System. Med Phys 2016. [DOI: 10.1118/1.4957630] [Citation(s) in RCA: 5] [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: 11/07/2022] Open
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Low D, Mutic S, Shvartsman S, Chmielewski T, Fought G, Sharma A, Dempsey J. TU-H-BRA-02: The Physics of Magnetic Field Isolation in a Novel Compact Linear Accelerator Based MRI-Guided Radiation Therapy System. Med Phys 2016. [DOI: 10.1118/1.4957624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Dempsey J. WE-F-204-03: Developing a Corporate Research and Innovation Laboratory. Med Phys 2016. [DOI: 10.1118/1.4957879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Lamb J, Low D, Mutic S, Shvartsman S, Chmielewski T, Fought G, Sharma A, Dempsey J. TU-H-BRA-01: The Physics of High Power Radiofrequency Isolation in a Novel Compact Linear Accelerator Based MRI Guided Radiation Therapy System. Med Phys 2016. [DOI: 10.1118/1.4957623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Mutic S, Low D, Green O, Fought G, Kawrakow I, Sharma A, Shvartsman S, Dempsey J. TH-AB-BRA-01: A Novel Doubly-Focused Multileaf Collimator Design for MR-Guided Radiation Therapy. Med Phys 2016. [DOI: 10.1118/1.4958052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Green O, Mutic S, Low D, Li H, Chmielewski T, Fought G, Hernandez M, Kawrakow I, Sharma A, Shvartsman S, Dempsey J. TU-H-BRA-06: Characterization of a Linear Accelerator Operating in a Compact MRIGuided Radiation Therapy System. Med Phys 2016. [DOI: 10.1118/1.4957628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Bachmann-Gagescu R, Dempsey J, Phelps IG, Isabella C, O'Day D, O'Roak B, Shendure J, Glass I, Doherty D. Genotype-Phenotype correlations in Joubert Syndrome in the Era of Next Generation Sequencing. Cilia 2015. [PMCID: PMC4518614 DOI: 10.1186/2046-2530-4-s1-p8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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McClain B, Olsen J, Green O, Yang D, Santanam L, Olsen L, Zhao T, Rodriguez V, Wooten H, Mutic S, Victoria J, Dempsey J, Kashani R. WE-AB-BRA-09: Sensitivity of Plan Re-Optimization to Errors in Deformable Image Registration in Online Adaptive Image-Guided Radiation Therapy. Med Phys 2015. [DOI: 10.1118/1.4925862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Chen H, Dolly S, Victoria J, Anastasio M, Ruan S, Low D, Li H, Wooten H, Dempsey J, Gay H, Mutic S, Thorstad W, Li H. WE-G-BRD-04: BEST IN PHYSICS (JOINT IMAGING-THERAPY): An Integrated Model-Based Intrafractional Organ Motion Tracking Approach with Dynamic MRI in Head and Neck Radiotherapy. Med Phys 2015. [DOI: 10.1118/1.4926060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Chen H, Dolly S, Victoria J, Ruan S, Low D, Anastasio M, Fischer-Valuck B, Kashani R, Green O, Rodriguez V, Dempsey J, Mutic S, Gay H, Thorstad W, Li H. SU-C-210-07: Assessment of Intra-/Inter-Fractional Internal Tumor and Organ Movement in Radiotherapy of Head and Neck Cancer Using On-Board Cine MRI. Med Phys 2015. [DOI: 10.1118/1.4923852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Buchanan S, Gong X, Lallena M, Chio L, Merzoug F, Dempsey J, Beckman R, Reinhard C. 507 Amplification of D-type cyclin genes CCND2 and CCND3 confers an oncogene addiction phenotype in tumor cells and hypersensitivity to the CDK4/6 inhibitor LY2835219. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)70633-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Feng Y, Kawrakow I, Olsen J, Parikh P, Noel C, Wooten H, Du D, Dempsey J, Mutic S, Hu Y. SU-E-J-142: Performance Study of Automatic Image-Segmentation Algorithms in Motion Tracking Via MR-IGRT. Med Phys 2014. [DOI: 10.1118/1.4888195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Rodriguez V, Green O, Wooten H, Kashani R, Mutic S, Dempsey J, Li H. SU-E-T-136: Dosimetric Robustness of a Magnetic Resonance Imaging Guided Radiation Therapy (MR-IGRT) System. Med Phys 2014. [DOI: 10.1118/1.4888466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Hu Y, Mutic S, Du D, Green O, Zeng Q, Nana R, Patrick J, Shvartsman S, Dempsey J. WE-G-17A-01: Improving Tracking Image Spatial Resolution for Onboard MR Image Guided Radiation Therapy Using the WHISKEE Technique. Med Phys 2014. [DOI: 10.1118/1.4889503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Rodriguez V, Li H, Yang D, Kashani R, Wooten H, Dempsey J, Mutic S, Green O. SU-E-T-442: Sensitivity of Quality Assurance Tools to Delivery Errors On a Magnetic Resonance-Imaging Guided Radiation Therapy (MR-IGRT) System. Med Phys 2014. [DOI: 10.1118/1.4888775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Foster R, Chetty I, Dempsey J, Solberg T. SU-GG-J-53: Comparison of Dosimetric Consequences of Intrafraction Prostate Motion Between IMRT and IMPT. Med Phys 2008. [DOI: 10.1118/1.2963109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Dempsey J, Berssenbrugge A, Musch T, Skatrud J. The Lung: Hypoxia, Acid-Base Changes, and the Control of Breathing. Semin Respir Crit Care Med 2008. [DOI: 10.1055/s-2007-1012178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Dempsey J. Milnacipran for fibromyalgia. Issues Emerg Health Technol 2008:1-4. [PMID: 18354855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
(1) Milnacipran is an antidepressant that is under investigation for the treatment of fibromyalgia (a chronic pain disorder). (2) Preliminary evidence suggests that milnacipran may benefit some patients with fibromyalgia, but adverse effects may limit its use. (3) Complete results of phase 3 trials have not yet been published. Further studies are needed to evaluate the safety and efficacy of milnacipran, determine optimal dosing, confirm if beneficial effects are sustained, and clarify the drug's role relative to, and in conjunction with, other treatments for fibromyalgia.
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Men C, Romeijn H, Taskin Z, Dempsey J. SU-FF-T-159: Direct Aperture Optimization in IMRT Treatment Planning. Med Phys 2007. [DOI: 10.1118/1.2760818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Ranade M, Lynch B, Li J, Kim S, Dempsey J. WE-E-BRA-06: Imaging Linear Accelerator Startup Using a High-Speed Scintillation Based Electronic Portal Imaging Device (Hi-EPID). Med Phys 2007. [DOI: 10.1118/1.2761604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li J, Yan G, Liu C, Ranade M, Dempsey J. SU-FF-T-127: Comparison of Two Commercial Detector Arrays for IMRT Quality Assurance. Med Phys 2007. [DOI: 10.1118/1.2760785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Aleman D, Karakayalı I, Dempsey J. SU-FF-T-35: A Practical Monte Carlo Method for Modeling Dose Deposition in Intensity Modulated Radiation Treatment Planning. Med Phys 2007. [DOI: 10.1118/1.2760680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Low D, Parikh P, Hubenschmidt J, Mutic S, Dempsey J, Bradley J. SU-FF-J-95: Validation of the 5D Breathing Motion Model Using a 64-Slice CT Scanner. Med Phys 2007. [DOI: 10.1118/1.2760600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Ranade M, DuBose R, Li J, Kozelka J, Simon W, Dempsey J. WE-E-AUD-01: Artifact Free EBT Film Scanner for Radiotherapy Dosimetry. Med Phys 2007. [DOI: 10.1118/1.2761593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zhao T, Parikh P, Hubenschmidt J, Mutic S, Dempsey J, Malinowski K, Bradley J, Low D. SU-FF-J-130: PET Free Breathing Motion Artifact Reduction Using List-Mode Data. Med Phys 2007. [DOI: 10.1118/1.2760635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Fox C, Lynch B, Aleman D, Li H, Romeijn H, Dempsey J. TU-C-224A-08: A Scientific Comparison of Inverse Treatment Plan Quality Using a Convex Non-Linear Programming Model as a Function of Beam Quality and Beam Number. Med Phys 2006. [DOI: 10.1118/1.2241532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Dempsey J, Dionne B, Fitzsimmons J, Haghigat A, Li J, Low D, Mutic S, Palta J, Romeijn H, Sjoden G. WE-E-ValA-06: A Real-Time MRI Guided External Beam Radiotherapy Delivery System. Med Phys 2006. [DOI: 10.1118/1.2241803] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Aleman D, Romeijn H, Dempsey J. TU-C-224A-10: A Novel Neighborhood for Local Search and Simulated Annealing Methods in Beam Orientation Optimization in IMRT. Med Phys 2006. [DOI: 10.1118/1.2241534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Fox C, Li H, Romeijn H, Dempsey J. SU-FF-T-240: Fast Efficient Global Fluence Map Optimization Using a Parallelized Objective Function for IMRT Treatment Planning. Med Phys 2006. [DOI: 10.1118/1.2241162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Lynch B, Kozelka J, Ranade M, Li J, Simon W, Dempsey J. TH-E-224A-03: Orientation, Position, and Temperature Dependence On Optical Density Measurements When Using Sensitive Radiochromic Film and Fluorescent CCD Scanner. Med Phys 2006. [DOI: 10.1118/1.2241952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Simon W, Liu C, Palta J, Dempsey J, Bayouth J, Pavord D, Ibbott G, Tailor R, Followill D. SU-FF-T-310: LINAC Dosimetry: Benchmark Data Set Requirements. Med Phys 2006. [DOI: 10.1118/1.2241227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Ranade M, Lynch B, Li J, Dempsey J. TH-E-224A-04: IMRT Film QA in a Heterogeneous Anthropomorphic Phantom. Med Phys 2006. [DOI: 10.1118/1.2241953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Dempsey J. WE-A-224A-01: IMRT Modeling Influence On Planning. Med Phys 2006. [DOI: 10.1118/1.2241667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Fox C, Romeijn H, Dempsey J. SU-FF-T-04: 3D Intensity Modulated Proton Therapy with Minimal Beam Number. Med Phys 2006. [DOI: 10.1118/1.2240911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Simon W, Kozelka J, Rose M, Liu C, Palta J, Dempsey J, Lynch B, Bayouth J, Pavord D, Ibbott G, Followill D. SU-FF-T-311: LINAC Dosimetry: Benchmark Data Set Uncertainty. Med Phys 2006. [DOI: 10.1118/1.2241228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Low D, Lu W, Parikh P, Hubenschmidt J, Dempsey J, Grigsby P, Mutic S, Bradley J. WE-D-ValB-05: Sinogram-Based Respiratory Gating for 5D PET. Med Phys 2006. [DOI: 10.1118/1.2241758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Fox C, Romeijn H, Dempsey J. TU-C-224A-09: Implementation and Comparison of Several Proton IMRT Algorithms. Med Phys 2006. [DOI: 10.1118/1.2241533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Romeijn H, Dempsey J. SU-FF-T-118: On the Relationship Between Risk Management and IMRT Treatment Plan Optimization. Med Phys 2005. [DOI: 10.1118/1.1997789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Lynch B, Ranade M, Li J, Low D, Dempsey J. TH-C-T-6E-08: High Resolution Film Based Finite Pencil Beam Model for MLC Defined Beamlets. Med Phys 2005. [DOI: 10.1118/1.1998684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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46
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Ranade M, Lynch B, Li J, Dempsey J. SU-DD-A1-04: High-Speed Scintillation Camera to Study IMRT Delivery. Med Phys 2005. [DOI: 10.1118/1.1997450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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47
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Low D, Parikh P, Laforest R, Dempsey J, Lu W, Mutic S, Hubenschmidt J, Nystrom M, Miller T, Grigsby P, Bradley J. TU-D-J-6C-07: A Method for Acquiring PET Images Without Breathing Motion Artifacts. Med Phys 2005. [DOI: 10.1118/1.1998398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Low D, Parikh P, Lu W, Dempsey J, Wahab S, Hubenschmidt J, Nystrom M, Handoko M, Bradley J. SU-FF-J-10: A 5-Dimensional Breathing Motion Model for Radiation Therapy. Med Phys 2005. [DOI: 10.1118/1.1997556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Dempsey J. SU-FF-T-333: A Fourier Analysis of the Dose Grid Resolution Requirement in Proton Therapy IMRT Fluence-Map Optimization. Med Phys 2005. [DOI: 10.1118/1.1998062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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