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Guo F, Li Q, Zhang X, Liu Y, Jiang J, Cheng S, Yu S, Zhang X, Liu F, Li Y, Rose G, Zhang H. Applications of Carbon Dots for the Treatment of Alzheimer's Disease. Int J Nanomedicine 2022; 17:6621-6638. [PMID: 36582459 PMCID: PMC9793737 DOI: 10.2147/ijn.s388030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/29/2022] [Indexed: 12/25/2022] Open
Abstract
There are currently approximately 50 million victims of Alzheimer's disease (AD) worldwide. The exact cause of the disease is unknown at this time, but amyloid plaques and neurofibrillary tangles in the brain are hallmarks of the disease. Current drug treatments for AD may slow the progression of the disease and improve the quality of life of patients, but they are often only minimally effective and are not cures. A major obstacle to developing and delivering more effective drug therapies is the presence of the blood-brain barrier (BBB), which prevents many compounds with therapeutic potential from reaching the central nervous system. Nanotechnology may provide a solution to this problem. Among the medical nanomaterials currently being studied, carbon dots (CDs) have attracted widespread attention because of their ability to cross the BBB, non-toxicity, and potential for drug/gene delivery.
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Affiliation(s)
- Feng Guo
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Qingman Li
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Xiaolin Zhang
- Key Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou, 571127, People’s Republic of China
| | - Yiheng Liu
- Haikou Hospital Affiliated to Central South University Xiangya School of Medicine, Haikou, 570208, People’s Republic of China
| | - Jie Jiang
- Scientific Experiment Center of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Shuanghuai Cheng
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Si Yu
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Xingfang Zhang
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China,The First Affiliated Hospital of Hainan Medical College, Haikou, 570102, People’s Republic of China
| | - Fangfang Liu
- Laboratory Department, Nanping First Hospital Affiliated to Fujian Medical University, Fujian, 353006, People’s Republic of China
| | - Yiying Li
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Gregory Rose
- Departments of Anatomy and Physiology, Southern Illinois University School of Medicine, Carbondale, IL, 62901, USA,Correspondence: Gregory Rose, Departments of Anatomy and Physiology, Southern Illinois University School of Medicine, Carbondale, IL, 62901, USA, Tel +1 618-303-6503, Email
| | - Haiying Zhang
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China,Haiying Zhang, Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China, Tel +86 13907533247, Email
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2
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Diaz O, Esener D, Sacci P, Abrams E, Rose G. 170 Evaluation of Performance of Transesophageal Echocardiography by Emergency Medicine Residents After a Single Simulation-Based Training Session. Ann Emerg Med 2022. [DOI: 10.1016/j.annemergmed.2022.08.194] [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: 11/01/2022]
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3
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Aguayo F, Rose G, Swanson W, Abrams E, Esener D. 125 Evaluation of Normal Reference Ranges for Ultrasound Measurements of the Hip Joint in Elderly Patients. Ann Emerg Med 2022. [DOI: 10.1016/j.annemergmed.2022.08.149] [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: 11/30/2022]
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4
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Tyrrell L, Rose G, Shukri A, Kahwash SB. Morphologic changes in red blood cells: An illustrated review of clinically important light microscopic findings. Malays J Pathol 2021; 43:219-239. [PMID: 34448787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this article, we provide an illustrated review that may serve as a microscope companion, as well as a reference for the diagnosis of red blood cells alterations and the interpretation of their significance. Beginners in the fields of clinical haematology and haematopathology may benefit from this manuscript's brevity and practical points, while the more advanced will find it useful as a teaching tool.
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Affiliation(s)
- L Tyrrell
- Nationwide Children's Hospital, Division of Hematology/Oncology, Columbus, OH
| | - G Rose
- Nationwide Children's Hospital, Department of Pathology and Laboratory Medicine, Columbus, OH.
| | - A Shukri
- Nationwide Children's Hospital, Department of Pathology and Laboratory Medicine, Columbus, OH
| | - S B Kahwash
- Nationwide Children's Hospital, Department of Pathology and Laboratory Medicine, Columbus, OH
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5
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Nolin A, Katebi Kashi P, Rose G. 62 Adaptive surgical technique: Robot-assisted laparoscopic hysterectomy in a uterus greater than 1,000 grams. Am J Obstet Gynecol 2021. [DOI: 10.1016/j.ajog.2021.04.206] [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: 11/29/2022]
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6
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Ebersole J, Rose G, Eid T, Behar K, Patrylo P. Altered hippocampal astroglial metabolism is associated with aging and preserved spatial learning and memory. Neurobiol Aging 2021; 102:188-199. [PMID: 33774381 DOI: 10.1016/j.neurobiolaging.2021.02.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/23/2022]
Abstract
An age-related decrease in hippocampal metabolism correlates with cognitive decline. Hippocampus-dependent learning and memory requires glutamatergic neurotransmission supported by glutamate-glutamine (GLU-GLN) cycling between neurons and astrocytes. We examined whether GLU-GLN cycling in hippocampal subregions (dentate gyrus and CA1) in Fischer 344 rats was altered with age and cognitive status. Hippocampal slices from young adult, aged cognitively-unimpaired (AU) and aged cognitively-impaired (AI) rats were incubated in artificial cerebrospinal fluid (aCSF) containing 1-13C-glucose to assess neural metabolism. Incorporation of 13C-glucose into glutamate and glutamine, measured by mass spectroscopy/liquid chromatography tandem mass spectroscopy, did not significantly differ between groups. However, when 13C-acetate, a preferential astrocytic metabolite, was used, a significant increase in 13C-labeled glutamate was observed in slices from AU rats. Taken together, the data suggest that resting state neural metabolism and GLU-GLN cycling may be preserved during aging when sufficient extracellular glucose is available, but that enhanced astroglial metabolism can occur under resting state conditions. This may be an aging-related compensatory change to maintain hippocampus-dependent cognitive function.
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Affiliation(s)
- Jeremy Ebersole
- Department of Physiology, Southern Illinois University School of Medicine, Carbondale, IL, USA
| | - Gregory Rose
- Department of Physiology, Southern Illinois University School of Medicine, Carbondale, IL, USA; Department of Anatomy, Southern Illinois University School of Medicine, Carbondale, IL, USA; Center for Integrated Research in the Cognitive and Neural Sciences, Southern Illinois University School of Medicine, Carbondale, IL, USA
| | - Tore Eid
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Kevin Behar
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA; MRRC Neurometabolism Research Laboratory, Yale University School of Medicine, New Haven, CT, USA
| | - Peter Patrylo
- Department of Physiology, Southern Illinois University School of Medicine, Carbondale, IL, USA; Department of Anatomy, Southern Illinois University School of Medicine, Carbondale, IL, USA; Center for Integrated Research in the Cognitive and Neural Sciences, Southern Illinois University School of Medicine, Carbondale, IL, USA.
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7
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Gérard A, Woolfe A, Mottet G, Reichen M, Castrillon C, Menrath V, Ellouze S, Poitou A, Doineau R, Briseno-Roa L, Canales-Herrerias P, Mary P, Rose G, Ortega C, Delincé M, Essono S, Jia B, Iannascoli B, Richard-Le Goff O, Kumar R, Stewart SN, Pousse Y, Shen B, Grosselin K, Saudemont B, Sautel-Caillé A, Godina A, McNamara S, Eyer K, Millot GA, Baudry J, England P, Nizak C, Jensen A, Griffiths AD, Bruhns P, Brenan C. Author Correction: High-throughput single-cell activity-based screening and sequencing of antibodies using droplet microfluidics. Nat Biotechnol 2020; 38:756. [PMID: 32444853 DOI: 10.1038/s41587-020-0563-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Affiliation(s)
| | | | - Guillaume Mottet
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France
| | | | - Carlos Castrillon
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France.,École Doctorale Frontières du Vivant (FdV), Centre de Recherches Interdisciplinaires, Paris, France.,Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | | | | | | | - Raphaël Doineau
- HiFiBiO Therapeutics SAS, Paris, France.,École Doctorale Frontières du Vivant (FdV), Centre de Recherches Interdisciplinaires, Paris, France.,Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France.,Institute for Integrative Nanosciences, Leibniz IFW Dresden e.V., Dresden, Germany
| | - Luis Briseno-Roa
- HiFiBiO Therapeutics SAS, Paris, France.,Medetia Pharma, Institut Imagine, Paris, France
| | - Pablo Canales-Herrerias
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France.,École Doctorale Frontières du Vivant (FdV), Centre de Recherches Interdisciplinaires, Paris, France.,Laboratoire Colloïdes et Matériaux Divisés (LCMD), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | | | | | | | | | | | - Bin Jia
- Pfizer, Cambridge, MA, USA.,Abbvie Bioresearch Center, Worcester, MA, USA
| | - Bruno Iannascoli
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France
| | - Odile Richard-Le Goff
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France
| | | | | | | | | | - Kevin Grosselin
- HiFiBiO Therapeutics SAS, Paris, France.,Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | - Baptiste Saudemont
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France.,Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | - Antoine Sautel-Caillé
- Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | - Alexei Godina
- Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | | | - Klaus Eyer
- Laboratoire Colloïdes et Matériaux Divisés (LCMD), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France.,Laboratory for Functional Immune Repertoire Analysis, Institute of Pharmaceutical Sciences, D-CHAB, ETH Zürich, Zurich, Switzerland
| | - Gaël A Millot
- Institut Pasteur, Hub Bioinformatique et Biostatistique, C3BI, USR 3756 IP CNRS, Paris, France
| | - Jean Baudry
- Laboratoire Colloïdes et Matériaux Divisés (LCMD), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | - Patrick England
- Plateforme de Biophysique Moléculaire, Institut Pasteur, CNRS UMR3528, Paris, France.,Centre d'Innovation et de Technologie, Plateforme de Biophysique des Macromolecules et de leurs Interactions, Institut Pasteur, Paris, France
| | - Clément Nizak
- Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France
| | - Allan Jensen
- HiFiBiO Therapeutics SAS, Paris, France.,Lundbeck A/S, Valby, Denmark
| | - Andrew D Griffiths
- Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France.
| | - Pierre Bruhns
- Unit of Antibodies in Therapy and Pathology, Institut Pasteur, UMR1222 INSERM, Paris, France.
| | - Colin Brenan
- HiFiBiO Therapeutics SAS, Paris, France. .,HiFiBiO Therapeutics Inc., Cambridge, MA, USA. .,1CellBiO Inc., Watertown, MA, USA.
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8
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Rose G, Heidi Reinhard H, Kahwash SB. Is this a blast? An illustrated practical review on peripheral blood smear examination in the paediatric patient. Malays J Pathol 2020; 42:37-49. [PMID: 32342929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The morphologic findings on a peripheral blood smear can provide important clues that help establish a diagnosis or guide the workup of many clinical disorders. Finding a blast - whether clinically expected or not - is one of the most impactful of such findings. Pathologists, clinical haematologists, technologists, and trainees in the medical field often feel the need to refer to an illustrated reference when encountering suspected blasts and blast-mimics. This article provides a practical concise resource that demonstrates the morphological features of the various types of blasts and illustrates the cytologic characteristics that help distinguish them from their benign mimickers in the paediatric population.
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Affiliation(s)
- G Rose
- Nationwide Children's Hospital, Department of Pathology and Laboratory Medicine, Columbus, Ohio, United States of America.
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9
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Rose G, Wu W, Yu Y. Does Subculture Matter? A Cross-Cultural Study of Chronism and Attitudes toward Download Delay in Internet Systems in China and the United States. Journal of Global Information Technology Management 2019. [DOI: 10.1080/1097198x.2019.1603510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Gregory Rose
- Washington State University, Carson College of Business, Vancouver, WA, USA
| | - Wilfred Wu
- University of Portland, Pamplin School of Business, Portland, OR, USA
| | - Yanjun Yu
- Southern University at New Orleans, New Orleans, LA, USA
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10
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Davies RG, Tobin S, Moses T, Appadurai IR, Rose G, Bailey DM. Bowel cancer surgery outcomes and pre‐operative cardiopulmonary exercise testing: insights from real‐world data. Anaesthesia 2018; 73:1445-1446. [DOI: 10.1111/anae.14459] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - S. Tobin
- University Hospital of Wales Cardiff UK
| | - T. Moses
- University Hospital of Wales Cardiff UK
| | | | - G. Rose
- Faculty of Life Sciences and Education University of South Wales UK
| | - D. M. Bailey
- Faculty of Life Sciences and Education University of South Wales UK
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Will M, Pfeiffer T, Heinze N, Rose G. P62. SSVEP controlled BCI inferring complex tasks from low-level-commands. Clin Neurophysiol 2018. [DOI: 10.1016/j.clinph.2018.04.697] [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: 10/28/2022]
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12
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Murphy CA, Houghton P, Brandys T, Rose G, Bryant D. The effect of 22.5 kHz low-frequency contact ultrasound debridement (LFCUD) on lower extremity wound healing for a vascular surgery population: A randomised controlled trial. Int Wound J 2018; 15:460-472. [PMID: 29334176 PMCID: PMC7949649 DOI: 10.1111/iwj.12887] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 11/27/2017] [Accepted: 12/04/2017] [Indexed: 12/19/2022] Open
Abstract
The aim of this study was to compare changes in wound size and appearance and health complication rates in patients with vasculopathy and lower-extremity wounds treated with or without low-frequency contact ultrasound debridement (LFCUD) This study was a randomised controlled trial. The study was conducted in a vascular surgery service, including outpatient wound clinic and inpatient ward, in a tertiary care academic centre. In total, 70 patients with vasculopathy and lower-extremity wounds of mixed aetiology were enrolled in the trial; 68 completed the study. Patients were randomised to receive LFCUD plus usual care (n = 33) or usual care (n = 37) at 4 weekly visits, and were followed thereafter for up to 12 wk. The main outcome measures included closed wounds, change in wound surface area (WSA), and wound appearance by the revised Photographic Wound Assessment Tool (revPWAT). After 4 weekly LFCUD treatments, patients in the LFCUD group had significantly better wound appearance (total revPWAT score) compared with the control group treated only with usual care (P = <0.05). LFCUD-treated wounds also had a significant reduction in WSA over 4 wk that was not found in the UC group. LFCUD treatment was also associated with a greater number of healed wounds, odds ratio 5.00 (95% CI 1.24-20.25), and fewer instances of wound deterioration. Weekly LFCUD applications to patients with significant vasculopathy resulted in superior healing outcomes when compared with current usual wound care practice.
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Affiliation(s)
- Christine Anne Murphy
- The Ottawa Hospital: Limb Preservation ProgramOttawaCanada
- Faculty of Health Rehabilitation SciencesWestern UniversityLondonCanada
| | - Pamela Houghton
- Faculty of Health Rehabilitation SciencesWestern UniversityLondonCanada
| | - Tim Brandys
- The Ottawa Hospital: Limb Preservation ProgramOttawaCanada
| | - Gregory Rose
- The Ottawa Hospital: Limb Preservation ProgramOttawaCanada
- Faculty of Health Rehabilitation SciencesWestern UniversityLondonCanada
| | - Dianne Bryant
- Faculty of Health Rehabilitation SciencesWestern UniversityLondonCanada
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13
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Paganoni B, Rose G, Macleay C, Jones C, Brown DJ, Kearney G, Ferguson M, Thompson AN. More feed efficient sheep produce less methane and carbon dioxide when eating high-quality pellets. J Anim Sci 2018; 95:3839-3850. [PMID: 28992015 DOI: 10.2527/jas2017.1499] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The Australian sheep industry aims to increase the efficiency of sheep production by decreasing the amount of feed eaten by sheep. Also, feed intake is related to methane production, and more efficient (low residual feed intake) animals eat less than expected. So we tested the hypothesis that more efficient sheep produce less methane by investigating the genetic correlations between feed intake, residual feed intake, methane, carbon dioxide, and oxygen. Feed intake, methane, oxygen, and carbon dioxide were measured on Merino ewes at postweaning (1,866 at 223 d old), hogget (1,010 sheep at 607 d old), and adult ages (444 sheep at 1,080 d old). Sheep were fed a high-energy grower pellet ad libitum for 35 d. Individual feed intake was measured using automated feeders. Methane was measured using portable accumulation chambers up to 3 times during this feed intake period. Heritabilities and phenotypic and genotypic correlations between traits were estimated using ASReml. Oxygen (range 0.10 to 0.20) and carbon dioxide (range 0.08 to 0.28) were generally more heritable than methane (range 0.11 to 0.14). Selecting to decrease feed intake or residual feed intake will decrease methane (genetic correlation [] range 0.76 to 0.90) and carbon dioxide ( range 0.65 to 0.96). Selecting to decrease intake ( range 0.64 to 0.78) and methane ( range 0.81 to 0.86) in sheep at postweaning age would also decrease intake and methane in hoggets and adults. Furthermore, selecting for lower residual feed intake ( = 0.75) and carbon dioxide ( = 0.90) in hoggets would also decrease these traits in adults. Similarly, selecting for higher oxygen ( = 0.69) in hoggets would also increase this trait in adults. Given these results, the hypothesis that making sheep more feed efficient will decrease their methane production can be accepted. In addition, carbon dioxide is a good indicator trait for feed intake because it has the highest heritability of the gas traits measured; is cheaper, faster, and easier to measure than feed intake and has strong phenotypic and genetic correlations with feed intake. Furthermore, selection for feed intake, feed efficiency, methane, and carbon dioxide can be done early in sheep at postweaning age or hoggets. This early selection reduces the generation interval for breeding, thereby increasing response to selection.
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Affiliation(s)
- James Gaskin
- Marriott School of Business, Information Systems Department; Brigham Young University; 785 TNRB Provo UT USA
| | - Nicholas Berente
- Terry College of Business; University of Georgia; 303 Brooks Hall Athens GA USA
| | - Kalle Lyytinen
- Weatherhead School of Management; Case Western Reserve University; Cleveland OH USA
| | - Gregory Rose
- Carson College of Business; Washington State University; Vancouver WA USA
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15
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Paganoni B, Rose G, Macleay C, Jones C, Brown DJ, Kearney G, Ferguson M, Thompson AN. More feed efficient sheep produce less methane and carbon dioxide when eating high-quality pellets. J Anim Sci 2017. [DOI: 10.2527/jas.2017.1499] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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16
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Sandlin RD, Wong KHK, Boneschansker L, Carey TR, Miller KL, Rose G, Haber DA, Maheswaran S, Irimia D, Stott SL, Toner M. Preservative solution that stabilizes erythrocyte morphology and leukocyte viability under ambient conditions. Sci Rep 2017; 7:5658. [PMID: 28720788 PMCID: PMC5515929 DOI: 10.1038/s41598-017-05978-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [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: 01/31/2017] [Accepted: 04/07/2017] [Indexed: 01/04/2023] Open
Abstract
The deterioration of whole blood ex vivo represents a logistical hurdle in clinical and research settings. Here, a cocktail preservative is described that stabilizes leukocyte viability and erythrocyte morphology in whole blood under ambient storage. Neutrophil biostabilization was explored using a sophisticated microfluidic assay to examine the effectiveness of caspase inhibition to stabilize purified neutrophils. Following 72 h ambient storage, neutrophils remained fully functional to migrate towards chemical cues and maintained their ability to undergo NETosis after stimulation. Furthermore, stored neutrophils exhibited improved CD45 biomarker retention and reduced apoptosis and mortality compared to untreated controls. To stabilize erythrocyte morphology, a preservative solution was formulated using Taguchi methods of experimental design, and combined with the caspase inhibitor to form a whole blood cocktail solution, CSWB. CSWB was evaluated in blood from healthy donors and from women with metastatic breast cancer stored under ambient conditions for 72 h. CSWB-treated samples showed a significant improvement in erythrocyte morphology compared to untreated controls. Leukocytes in CSWB-treated blood exhibited significantly higher viability and CD45 biomarker retention compared to untreated controls. This 72 h shelf life under ambient conditions represents an opportunity to transport isolates or simply ease experimental timelines where blood degradation is problematic.
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Affiliation(s)
- Rebecca D Sandlin
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Keith H K Wong
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Leo Boneschansker
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Thomas R Carey
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Kathleen L Miller
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Gregory Rose
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Daniel A Haber
- Cancer Center & Department of Medicine, Massachusetts, MA General Hospital, Harvard Medical School, Boston, MA, 02114, USA.,Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA
| | - Shyamala Maheswaran
- Cancer Center & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Daniel Irimia
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Shannon L Stott
- Cancer Center, Department of Medicine, & BioMEMS Resource Center, Center for Engineering in Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
| | - Mehmet Toner
- BioMEMS Resource Center, Center for Engineering in Medicine, & Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
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17
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Gelasakis A, Rose G, Giannakou R, Valergakis G, Theodoridis A, Fortomaris P, Arsenos G. Typology and characteristics of dairy goat production systems in Greece. Livest Sci 2017. [DOI: 10.1016/j.livsci.2017.01.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Murthy R, Rose G, Liddy C, Afkham A, Keely E. eConsultations to Infectious Disease Specialists: Questions Asked and Impact on Primary Care Providers' Behavior. Open Forum Infect Dis 2017; 4:ofx030. [PMID: 28470015 PMCID: PMC5407213 DOI: 10.1093/ofid/ofx030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 02/07/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Since 2010, the Champlain BASE (Building Access to Specialist Advice through eConsultation) has allowed primary care providers (PCPs) to submit clinical questions to specialists through a secure web service. The study objectives are to describe questions asked to Infectious Diseases specialists through eConsultation and assess impact on physician behaviors. METHODS eConsults completed through the Champlain BASE service from April 15, 2013 to January 29, 2015 were characterized by the type of question asked and infectious disease content. Usage data and PCP responses to a closeout survey were analyzed to determine eConsult response time, change in referral plans, and change in planned course of action. RESULTS Of the 224 infectious diseases eConsults, the most common question types were as follows: interpretation of a clinical test 18.0% (41), general management 16.5 % (37), and indications/goals of treating a particular condition 16.5% (37). The most frequently consulted infectious diseases were as follows: tuberculosis 14.3% (32), Lyme disease 14.3% (32), and parasitology 12.9% (29). Within 24 hours, 63% of cases responded to the questions, and 82% of cases took under 15 minutes to complete. In 32% of cases, a face-to-face referral was originally planned by the PCP but was no longer needed. In 8% of cases, the PCP referred the patient despite originally not planning to make a referral. In 55% of cases, the PCP either received new information or changed their course of action. CONCLUSIONS An eConsult service provides PCPs with timely access to infectious disease specialists' advice that often results in a change in plans for a face-to-face referral.
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Affiliation(s)
| | | | - Clare Liddy
- Bruyere Research Institute, Department of Family Medicine, University of Ottawa, Canada; and
| | - Amir Afkham
- BEng, Champlain Local Health Integration Network, Ottawa, Canada
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Murthy R, Rose G, Liddy C, Afkham A, Keely E. eConsultations to Infectious Disease Specialists: Questions Asked and Impact on Primary Care Providers' Behavior. Open Forum Infect Dis 2016. [DOI: 10.1093/ofid/ofw172.1041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ruchi Murthy
- Department of Medicine, University of Ottawa, Ottawa, ON, Canada
| | | | - Clare Liddy
- Department of Family Medicine, University of Ottawa and Bruyere Research Institute, Ottawa, ON, Canada
| | - Amir Afkham
- Champlain Local Health Integration Network, Ottawa, ON, Canada
| | - Erin Keely
- Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa, ON, Canada
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Heinze N, Pfeiffer T, Schoenfeld M, Rose G. Schätzung von Erkennungsraten auf ECoG-Daten mithilfe von vollständig nicht-invasiven MEG-Messungen. KLIN NEUROPHYSIOL 2015. [DOI: 10.1055/s-0041-106860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- N. Heinze
- Leibniz Institut für Neurobiologie, Magdeburg
| | - T. Pfeiffer
- Institut für Medizintechnik, Otto-von-Guericke Universität Magdeburg
| | - M. Schoenfeld
- Institut für Neurologie, Universitätsklinikum Magdeburg
| | - G. Rose
- Institut für Medizintechnik, Otto-von-Guericke Universität Magdeburg
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Saul T, Avitabile N, Berkowitz R, Siadecki S, Rose G, Toomarian M, Kaban N, Governatori N. 293 Emergency Medicine Sonographers Can Obtain Similar Doppler Measurements and Have High Inter-Rater Reliability for Overall Function in Diastolic Cardiac Evaluation. Ann Emerg Med 2015. [DOI: 10.1016/j.annemergmed.2015.07.327] [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: 11/15/2022]
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Boese A, Rose G, Friebe M, Hoffmann T, Serowy S, Skalej M, Mailänder W, Cattaneo G. Increasing the visibility of thin NITINOL vascular implants. Current Directions in Biomedical Engineering 2015. [DOI: 10.1515/cdbme-2015-0120] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
New implants for vascular therapy like flow diverters are made of tiny braided wires. The radio opacity of these wires is poor, which makes assessment of implant expansion and exact positioning difficult. Additional markers only allow the estimation of the current device position, but they also induce artefacts that impair the assessment during the intervention and in follow-up examination. A new strategy to increase implant visibility is the braiding of composite wires with a radiopaque core along the whole implant. This paper shows some useful combinations of these new wires on a phantom study with five vascular implants.
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Affiliation(s)
- A. Boese
- Department of Medical Engineering, Otto-vonGuericke-University, Magdeburg, Germany
| | - G. Rose
- Department of Medical Engineering, Otto-vonGuericke-University, Magdeburg, Germany
| | - M. Friebe
- Department of Medical Engineering, Otto-vonGuericke-University, Magdeburg, Germany
| | - T. Hoffmann
- Department of Neuroradiology, Otto-von-Guericke University, Magdeburg, Germany
| | - S. Serowy
- Department of Neuroradiology, Otto-von-Guericke University, Magdeburg, Germany
| | - M. Skalej
- Department of Neuroradiology, Otto-von-Guericke University, Magdeburg, Germany
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Ranellou K, Crump C, Misra R, Wooldridge D, Rose G, Gharbia S, Parmar S, Curran M, Verlander N, Zhang H, Jalal H. Genomic diversity of BK polyomavirus in East of England – Preliminary data. J Clin Virol 2015. [DOI: 10.1016/j.jcv.2015.07.189] [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: 10/23/2022]
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Beuing O, Boese A, Kyriakou Y, Deuerling-Zengh Y, Jöllenbeck B, Scherlach C, Lenz A, Serowy S, Gugel S, Rose G, Skalej M. A novel technique for the measurement of CBF and CBV with robot-arm-mounted flat panel CT in a large-animal model. AJNR Am J Neuroradiol 2014; 35:1740-5. [PMID: 24831590 DOI: 10.3174/ajnr.a3973] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [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: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Endovascular therapy is an emerging treatment option in patients with acute ischemic stroke and especially in cases presenting late after symptom onset. Information about remaining viable tissue as measured with perfusion imaging is crucial for proper patient selection. The aim of this study was to investigate whether perfusion imaging with C-arm CT in the angiography suite is feasible and provides measurements comparable with ones made by CTP. MATERIALS AND METHODS The MCA was occluded surgically in 6 sheep. Perfusion studies were performed before surgery, immediately after, and at 3 hours after MCA occlusion by using a robotic flat panel detector C-arm angiographic system. For comparison, conventional CTP was performed at the same time points. Two different protocols with the C-arm CT were tested. Images were analyzed by 2 readers with regard to the presence and size of perfusion abnormalities. RESULTS With C-arm CT, perfusion abnormalities were detected with a high sensitivity and specificity when vessel occlusion was confirmed by criterion standard DSA. No difference was found between lesions sizes measured with the 2 C-arm CT protocols and CTP. Growth of the CBV lesions with time was captured with C-arm CT and CTP. CONCLUSIONS In this small study, it was feasible to qualitatively measure CBV and CBF by using a flat panel detector angiographic system.
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Affiliation(s)
- O Beuing
- From the Institute of Neuroradiology (O.B., C.S., A.L., S.S., M.S.)
| | - A Boese
- Healthcare Telematics and Medical Engineering (A.B., S.G., G.R.), Otto von Guericke University, Magdeburg, Germany
| | - Y Kyriakou
- Siemens AG (Y.K., Y.D.-Z.), Healthcare Sector, Erlangen, Germany
| | | | | | - C Scherlach
- From the Institute of Neuroradiology (O.B., C.S., A.L., S.S., M.S.)
| | - A Lenz
- From the Institute of Neuroradiology (O.B., C.S., A.L., S.S., M.S.)
| | - S Serowy
- From the Institute of Neuroradiology (O.B., C.S., A.L., S.S., M.S.)
| | - S Gugel
- Healthcare Telematics and Medical Engineering (A.B., S.G., G.R.), Otto von Guericke University, Magdeburg, Germany
| | - G Rose
- Healthcare Telematics and Medical Engineering (A.B., S.G., G.R.), Otto von Guericke University, Magdeburg, Germany
| | - M Skalej
- From the Institute of Neuroradiology (O.B., C.S., A.L., S.S., M.S.)
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Rose G, Mulder HA, van der Werf JHJ, Thompson AN, van Arendonk JAM. Genetic correlations between body weight change and reproduction traits in Merino ewes depend on age. J Anim Sci 2014; 92:3249-57. [PMID: 24879756 DOI: 10.2527/jas.2013-7378] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Merino sheep in Australia experience periods of variable feed supply. Merino sheep can be bred to be more resilient to this variation by losing less BW when grazing poor quality pasture and gaining more BW when grazing good quality pasture. Therefore, selection on BW change might be economically attractive but correlations with other traits in the breeding objective need to be known. The genetic correlations (rg) between BW, BW change, and reproduction were estimated using records from approximately 7,350 fully pedigreed Merino ewes managed at Katanning in Western Australia. Number of lambs and total weight of lambs born and weaned were measured on approximately 5,300 2-yr-old ewes, approximately 4,900 3-yr-old ewes, and approximately 3,600 4-yr-old ewes. On a proportion of these ewes BW change was measured: approximately 1,950 2-yr-old ewes, approximately 1,500 3-yr-old ewes, and approximately 1,100 4-yr-old ewes. The BW measurements were for 3 periods. The first period was during mating period over 42 d on poor pasture. The second period was during pregnancy over 90 d for ewes that got pregnant on poor and medium quality pasture. The third period was during lactation over 130 d for ewes that weaned a lamb on good quality pasture. Genetic correlations between weight change and reproduction were estimated within age classes. Genetic correlations were tested to be significantly greater magnitude than 0 using likelihood ratio tests. Nearly all BW had significant positive genetic correlations with all reproduction traits. In 2-yr-old ewes, BW change during the mating period had a positive genetic correlation with number of lambs weaned (rg = 0.58); BW change during pregnancy had a positive genetic correlation with total weight of lambs born (rg = 0.33) and a negative genetic correlation with number of lambs weaned (rg = -0.49). All other genetic correlations were not significantly greater magnitude than 0 but estimates of genetic correlations for 3-yr-old ewes were generally consistent with these findings. The direction of the genetic correlations mostly coincided with the energy requirements of the ewes and the stage of maturity of the ewes. In conclusion, optimized selection strategies on BW changes to increase resilience will depend on the genetic correlations with reproduction and are dependent on age.
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Affiliation(s)
- G Rose
- Animal Breeding and Genomics Centre, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands CRC for Sheep Industry Innovation, University of New England, Armidale, NSW 2351 Australia
| | - H A Mulder
- Animal Breeding and Genomics Centre, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands
| | - J H J van der Werf
- School of Environmental and Rural Science, University of New England, Armidale, NSW, 2351, Australia CRC for Sheep Industry Innovation, University of New England, Armidale, NSW 2351 Australia
| | - A N Thompson
- Department of Agriculture and Food Western Australia, 3 Baron-Hay Court, South Perth, WA, 6151, Australia School of Veterinary and Life Sciences, Murdoch University, 90 South Street, Murdoch, WA, 6150 Australia CRC for Sheep Industry Innovation, University of New England, Armidale, NSW 2351 Australia
| | - J A M van Arendonk
- Animal Breeding and Genomics Centre, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands
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Watkins P, Kearney G, Rose G, Allen D, Ball A, Pethick D, Warner R. Effect of branched-chain fatty acids, 3-methylindole and 4-methylphenol on consumer sensory scores of grilled lamb meat. Meat Sci 2014; 96:1088-94. [DOI: 10.1016/j.meatsci.2012.08.011] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2012] [Revised: 08/10/2012] [Accepted: 08/11/2012] [Indexed: 11/16/2022]
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Abstract
BACKGROUND Tumours of the lacrimal drainage apparatus (LDA) are very rare, but can be life-threatening. Seventy percent of lacrimal sac tumours are of epithelial origin, and transitional cell tumours represent an interesting sub-group of these epithelial tumours. METHODS A retrospective review of cases of LDA transitional cell tumours co-managed at the Royal National Throat Nose and Ear Hospital and Moorfields Eye Hospital, London. RESULTS Twenty cases of transitional cell tumours of the LDA were identified, comprising 10 transitional cell papillomas (TCPs) and 10 transitional cell carcinomas (TCCs). All cases were resected through a modified lateral rhinotomy approach. Limited resection of orbital fat with preservation of orbital functions was required for 2 cases of TCC. Fractionated external beam radiotherapy was administered in 7 cases of TCC. The mean follow up was 80 months (range 11 months-16 years). Recurrences were detected in 4 cases, which were managed by further surgery. Two cases have been lost to follow-up, but the 18 other patients are currently alive and disease free. CONCLUSION A favourable outcome can be achieved with transitional cell tumours of the LDA when an optimum management plan is followed.
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Abstract
BACKGROUND Many patients attribute their symptoms of facial pain or headache to sinus problems. Facial pain is one of the symptoms of rhinosinusitis according to European and American consensus documents. This symptom, however, has been insufficiently studied in the group of patients with chronic rhinosinusitis with nasal polyps (CRSwNP). The aim of this work is to study the symptom of facial pain in patients with CRSwNP. METHODS Patients with CRSwNP were prospectively asked to score their facial pain according to the scoring system used in the Sino Nasal Outcome Test 22 (SNOT 22). RESULTS Fifty patients fulfilled the inclusion criteria. Thirty-one patients had grade II polyps and 19 patients had grade III polyps. Of these patients, 76% had absent or very mild facial pain. Only 16% of patients had moderate or severe facial pain. All patients with severe facial pain had viscid secretions within their sinuses. CONCLUSION Significant facial pain is uncommon in patients with CRSwNP. It is important to consider this when counselling patients before surgery.
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Affiliation(s)
- A Z Eweiss
- Royal National Throat, Nose and Ear Hospital, London, UK.
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Eweiss AZ, Lund VJ, Jay A, Rose G. Transitional cell tumours of the lacrimal drainage apparatus. Rhinology 2013; 51:349-54. [PMID: 24260768 DOI: 10.4193/rhino13.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Tumours of the lacrimal drainage apparatus (LDA) are very rare, but can be life-threatening. Seventy percent of lacrimal sac tumours are of epithelial origin, and transitional cell tumours represent an interesting sub-group of these epithelial tumours. METHODS A retrospective review of cases of LDA transitional cell tumours co-managed at the Royal National Throat Nose and Ear Hospital and Moorfields Eye Hospital, London. RESULTS Twenty cases of transitional cell tumours of the LDA were identified, comprising 10 transitional cell papillomas (TCPs) and 10 transitional cell carcinomas (TCCs). All cases were resected through a modified lateral rhinotomy approach. Limited resection of orbital fat with preservation of orbital functions was required for 2 cases of TCC. Fractionated external beam radiotherapy was administered in 7 cases of TCC. The mean follow up was 80 months (range 11 months-16 years). Recurrences were detected in 4 cases, which were managed by further surgery. Two cases have been lost to follow-up, but the 18 other patients are currently alive and disease free. CONCLUSION A favourable outcome can be achieved with transitional cell tumours of the LDA when an optimum management plan is followed.
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Rose G, Brown RE. Should you clear a child with a URI for surgery? J Fam Pract 2013; 62:E1-E4. [PMID: 23957034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Affiliation(s)
- Gregory Rose
- Department of Anesthesiology, University of Kentucky College of Medicine, Lexington, KY, USA.
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Abdulkader R, Dharmapalaiah C, Shand L, Rose G, Clunie G, Watts R. FRI0202 Late onset neutropaenia in patients with rheumatoid arthritis after rituximab treatment:. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2659] [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: 11/03/2022]
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Rose G, Kause A, Mulder HA, van der Werf JHJ, Thompson AN, Ferguson MB, van Arendonk JAM. Merino ewes can be bred for body weight change to be more tolerant to uncertain feed supply. J Anim Sci 2013; 91:2555-65. [PMID: 23508033 DOI: 10.2527/jas.2012-5539] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Sheep in Australia experience periods with different feed supply causing them to gain and lose BW during the year. It is more efficient if ewes lose less BW during periods of poor nutrition and gain more BW during periods of good nutrition. We investigated whether BW loss during periods of poor nutrition and BW gain during periods of good nutrition are genetically different traits. We used BW measurements from 2,336 adult Merino ewes managed over 5 yr in a Mediterranean climate in Katanning, Australia. Body weight loss is the difference between 2 BW measured 42 d apart during mating, a period of poor nutrition. Body weight gain is the difference between 2 BW measured 131 d apart during a period of good nutrition between prelambing and weaning. We estimated variance compnents of BW change using 3 methods: 1) as a trait calculated by subtracting the first BW from the second, 2) multivariate analysis of BW traits, and 3) random regression analysis of BW. The h(2) and genetic correlations (rg) estimated using the multivariate analysis of BW and the BW change trait were very similar whereas the random regression analysis estimated lower heritabilities and more extreme negative genetic correlations between BW loss and gain. The multivariate model fitted the data better than random regression based on Akaike and Bayesian information criterion so we considered the results of the multivariate model to be more reliable. The heritability of BW loss (h(2) = 0.05-0.16) was smaller than that of BW gain (h(2) = 0.14-0.37). Body weight loss and gain can be bred for independently at 2 and 4 yr of age (rg = 0.03 and -0.04) whereas at 3 yr of age ewes that genetically lost more BW gained more BW (rg = -0.41). Body weight loss is genetically not the same trait at different ages (rg range 0.13-0.39). Body weight gain at age 3 yr is genetically the same trait at age 4 yr (rg = 0.99) but is different between age 2 yr and the older ages (rg = 0.53 and 0.51). These results suggest that as the ewes reach their mature BW, BW gain at different ages becomes the same trait. This does not apply to BW loss. We conclude that BW change could be included in breeding programs to breed adult Merino ewes that are more tolerant to variation in feed supply.
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Affiliation(s)
- G Rose
- Animal Breeding and Genomics Centre, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands.
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Krug JW, Rose G, Clifford G, Oster J. Improved ECG based gating in ultra high field cardiac MRI using an independent component analysis approach. J Cardiovasc Magn Reson 2013. [PMCID: PMC3560069 DOI: 10.1186/1532-429x-15-s1-w33] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Widdel HU, Rose G, Borchers R. Experimental results on the variation of electric conductivity and ion mobility in the mesosphere. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja081i034p06217] [Citation(s) in RCA: 23] [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: 11/09/2022]
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Watkins PJ, Rose G, Warner RD, Dunshea FR, Pethick DW. A comparison of solid-phase microextraction (SPME) with simultaneous distillation–extraction (SDE) for the analysis of volatile compounds in heated beef and sheep fats. Meat Sci 2012; 91:99-107. [PMID: 22305391 DOI: 10.1016/j.meatsci.2011.12.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 11/08/2011] [Accepted: 12/06/2011] [Indexed: 11/29/2022]
Affiliation(s)
- P J Watkins
- CJ Hawkins Homestead, University of New England, Armidale, NSW 2351, Australia.
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Campbell R, Hofmann D, Hatch S, Gordon P, Lempp H, Das L, Blumbergs P, Limaye V, Vermaak E, McHugh N, Edwards MH, Jameson K, Sayer AA, Dennison E, Cooper C, Salvador FB, Huertas C, Isenberg D, Jackson EJ, Middleton A, Churchill D, Walker-Bone K, Worsley PR, Mottram S, Warner M, Morrissey D, Gadola S, Carr A, Cooper C, Stokes M, Srivastava RN, Sanghi D, Srivastava RN, Sanghi D, Elbaz A, Mor A, Segal G, Drexler M, Norman D, Peled E, Rozen N, Goryachev Y, Debbi EM, Haim A, Rozen N, Wolf A, Debi R, Mor A, Segal G, Debbi EM, Cohen MS, Igolnikov I, Bar Ziv Y, Benkovich V, Bernfeld B, Rozen N, Elbaz A, Collins J, Moots RJ, Clegg PD, Milner PI, Ejtehadi HD, Nelson PN, Wenham C, Balamoody S, Hodgson R, Conaghan P, Wilkie R, Blagojevic M, Jordan KP, Mcbeth J, Peffers MJ, Beynon RJ, Thornton DJ, Clegg PD, Chapman R, Chapman V, Walsh D, Kelly S, Hui M, Zhang W, Doherty S, Rees F, Muir K, Maciewicz R, Doherty M, Snelling S, Davidson RK, Swingler T, Price A, Clark I, Stockley E, Hathway G, Faas H, Auer D, Chapman V, Hirsch G, Hale E, Kitas G, Klocke R, Abraham A, Pearce MS, Mann KD, Francis RM, Birrell F, Tucker M, Mellon SJ, Jones L, Price AJ, Dieppe PA, Gill HS, Ashraf S, Chapman V, Walsh DA, McCollum D, McCabe C, Grieve S, Shipley J, Gorodkin R, Oldroyd AG, Evans B, Greenbank C, Bukhari M, Rajak R, Bennett C, Williams A, Martin JC, Abdulkader R, MacNicol C, Brixey K, Stephenson S, Clunie G, Andrews RN, Oldroyd AG, Evans B, Greenbank C, Bukhari M, Clark EM, Gould VC, Carter L, Morrison L, Tobias JH, Pye SR, Vanderschueren D, O'Neill TW, Lee DM, Jans I, Billen J, Gielen E, Laurent M, Claessens F, Adams JE, Ward KA, Bartfai G, Casanueva F, Finn JD, Forti G, Giwercman A, Han TS, Huhtaniemi I, Kula K, Lean ME, Pendleton N, Punab M, Wu FC, Boonen S, Mercieca C, Webb J, Shipley J, Bhalla A, Fairbanks S, Moss KE, Collins C, Sedgwick P, Clark EM, Gould VC, Morrison L, Tobias JH, Parker J, Greenbank C, Evans B, Oldroyd AG, Bukhari M, Harvey NC, Cole ZA, Crozier SR, Ntani G, Mahon PA, Robinson SM, Inskip HM, Godfrey KM, Dennison EM, Cooper C, Bridges M, Ruddick S, Holroyd CR, Mahon P, Crozier SR, Godfrey K, Inskip HM, Cooper C, Harvey NC, Bridges M, Ruddick S, McNeilly T, McNally C, Beringer T, Finch M, Coda A, Davidson J, Walsh J, Fowlie P, Carline T, Santos D, Patil P, Rawcliffe C, Olaleye A, Moore S, Fox A, Sen D, Ioannou Y, Nisar S, Rankin K, Birch M, Finnegan S, Rooney M, Gibson DS, Malviya A, Ferris CM, Rushton SP, Foster HE, Hanson H, Muthumayandi K, Deehan DJ, Birt L, Poland F, MacGregor A, Armon K, Pfeil M, McErlane F, Beresford MW, Baildam EM, Thomson W, Hyrich K, Chieng A, Davidson J, Foster HE, Gardner-Medwin J, Lunt M, Wedderburn L, Gibson DS, Finnegan S, Newell K, Evans A, Manning G, Scaife C, McAllister C, Pennington SR, Duncan M, Moore T, Rooney M, Pericleous C, Croca SC, Giles I, Alber K, Yong H, Isenberg D, Midgely A, Beresford MW, Rahman A, Ioannou Y, Rzewuska M, Mallen C, Strauss VY, Belcher J, Peat G, Byng-Maddick R, Wijendra M, Penn H, Roddy E, Muller S, Hayward R, Mallen C, Kamlow F, Pakozdi A, Jawad A, Green DJ, Muller S, Mallen C, Hider SL, Singh Bawa S, Bawa S, Turton A, Palmer M, Grieve S, Lewis J, Moss T, McCabe C, Goodchild CE, Tang N, Scott D, Salkovskis P, Selvan S, Williamson L, Selvan S, Williamson L, Thalayasingam N, Higgins M, Saravanan V, Rynne M, Hamilton JD, Heycock C, Kelly C, Norton S, Sacker A, Done J, Young A, Smolen JS, Fleischmann RM, Emery P, van Vollenhoven RF, Guerette B, Santra S, Kupper H, Redden L, Kavanaugh A, Keystone EC, van der Heijde D, Weinblatt ME, Mozaffarian N, Guerette B, Kupper H, Liu S, Kavanaugh A, Zhang N, Wilkinson S, Riaz M, Ostor AJ, Nisar MK, Burmester G, Mariette X, Navarro-Blasco F, Oezer U, Kary S, Unnebrink K, Kupper H, Jobanputra P, Maggs F, Deeming A, Carruthers D, Rankin E, Jordan A, Faizal A, Goddard C, Pugh M, Bowman S, Brailsford S, Nightingale P, Tugnet N, Cooper SC, Douglas KM, Edwin Lim CS, Bee Lian Low S, Joy C, Hill L, Davies P, Mukherjee S, Cornell P, Westlake SL, Richards S, Rahmeh F, Thompson PW, Breedveld F, Keystone E, van der Heijde D, Landewe R, Smolen JS, Guerette B, McIlraith M, Kupper H, Liu S, Kavanaugh A, Byng-Maddick R, Penn H, Abdulkader R, Dharmapalaiah C, Shand L, Rose G, Clunie G, Watts R, Eldashan A, Dasgupta B, Borg FA, Bell GM, Anderson AE, Harry RA, Stoop JN, Hilkens CM, Isaacs J, Dickinson A, McColl E, Banik S, Smith L, France J, Bawa S, Rutherford A, Scott Russell A, Smith J, Jassim I, Withrington R, Bacon P, De Lord D, McGregor L, Morrison I, Stirling A, Porter DR, Saunders SA, Else S, Semenova O, Thompson H, Ogunbambi O, Kallankara S, Baguley E, Patel Y, Alzabin S, Abraham S, Taher TE, Palfeeman A, Hull D, McNamee K, Jawad A, Pathan E, Kinderlerer A, Taylor P, Williams RO, Mageed RA, Iaremenko O, Mikitenko G, Ferrari M, Kamalati T, Pitzalis C, Tugnet N, Pearce F, Tosounidou S, Obrenovic K, Erb N, Packham J, Sandhu R, White C, Cardy CM, Justice E, Frank M, Li L, Lloyd M, Ahmed A, Readhead S, Ala A, Fittall M, Manson J, Ioannou Y, Sibilia J, Marc Flipo R, Combe B, Gaillez C, Le Bars M, Poncet C, Elegbe A, Westhovens R, Hassanzadeh R, Mangan C, France J, Bawa S, Weinblatt ME, Fleischmann R, van Vollenhoven R, Emery P, Huizinga TWJ, Goldermann R, Duncan B, Timoshanko J, Luijtens K, Davies O, Dougados M, Hewitt J, Owlia M, Dougados M, Gaillez C, Le Bars M, Poncet C, Elegbe A, Schiff M, Alten R, Kaine JL, Keystone E, Nash PT, Delaet I, Qi K, Genovese MC, Clark J, Kardash S, Wong E, Hull R, McCrae F, Shaban R, Thomas L, Young-Min S, Ledingham J, Genovese MC, Covarrubias Cobos A, Leon G, Mysler EF, Keiserman MW, Valente RM, Nash PT, Abraham Simon Campos J, Porawska W, Box JH, Legerton CW, Nasonov EL, Durez P, Pappu R, Delaet I, Teng J, Alten R, Edwards CJ, Arden N, Campbell J, van Staa T, Housden C, Sargeant I, Edwards CJ, Arden N, Campbell J, van Staa T, Housden C, Sargeant I, Choy E, McAuliffe S, Roberts K, Sargeant I, Emery P, Sarzi-Puttini P, Moots RJ, Andrianakos A, Sheeran TP, Choquette D, Finckh A, Desjuzeur ML, Gemmen EK, Mpofu C, Gottenberg JE, Bukhari M, Shah P, Kitas G, Cox M, Nye A, O'Brien A, Jones P, Sargeant I, Jones GT, Paudyal P, MacPherson H, Sim J, Doherty M, Ernst E, Fisken M, Lewith G, Tadman J, Macfarlane GJ, Mariette X, Bertin P, Arendt C, Terpstra I, VanLunen B, de Longueville M, Zhou H, Cai A, Lacy E, Kay J, Keystone E, Matteson E, Hu C, Hsia E, Doyle M, Rahman M, Shealy D, Scott DL, Ibrahim F, Abozaid H, Choy E, Hassell A, Plant M, Richards S, Walker D, Simpson G, Kowalczyk A, Prouse P, Brown A, George M, Kumar N, Mackay K, Marshall S, Nash PT, Ludivico CL, Delaet I, Qi K, Murthy B, Corbo M, Kaine JL, Emery P, Smolen JS, Samborski W, Berenbaum F, Davies O, Ambrugeat J, Bennett B, Burkhardt H, Prouse P, Brown A, George M, Kumar N, Mackay K, Marshall S, Bykerk V, Ostor AJ, Roman Ivorra J, Wollenhaupt J, Stancati A, Bernasconi C, Sibilia J, Scott DGI, Claydon P, Ellis C, Buchan S, Pope J, Fleischmann R, Dougados M, Bingham CO, Massarotti EM, Wollenhaupt J, Duncan B, Coteur G, Weinblatt M, Hull D, Ball C, Abraham S, Ainsworth T, Kermik J, Woodham J, Haq I, Quesada-Masachs E, Carolina Diaz A, Avila G, Acosta I, Sans X, Alegre C, Marsal S, McWilliams D, Kiely PD, Young A, Walsh DA, Fleischmann R, Bolce R, Wang J, Ingham M, Dehoratius R, Decktor D, Rao V, Pavlov A, Klearman M, Musselman D, Giles J, Bathon J, Sattar N, Lee J, Baxter D, McLaren JS, Gordon MM, Thant KZ, Williams EL, Earl S, White P, Williams J, Westlake SL, Ledingham J, Jan AK, Bhatti AI, Stafford C, Carolan M, Ramakrishnan SA. Muscle disorders * 111. The impact of fatigue in patients with idiopathic inflammatory myopathy: a mixed method study. Rheumatology (Oxford) 2012. [DOI: 10.1093/rheumatology/kes109] [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: 11/13/2022] Open
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Boese A, Schmidt M, Neumuth T, Rose G. Definition of product requirements of a MR compatible bone biopsy system using workflow analysis. BIOMED ENG-BIOMED TE 2012. [DOI: 10.1515/bmt-2012-4095] [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: 11/15/2022]
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Kaiser M, Boese A, Brose A, Deckert M, Rose G, Schmidt B, Wonneberger U, Fischbach F, Ricke J, Detert M. Technology Roadmap for Integration of Resonant Markers in MRI Compatible Instruments. BIOMED ENG-BIOMED TE 2012. [DOI: 10.1515/bmt-2012-4338] [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: 11/15/2022]
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Boese A, Becker S, Skalej M, Rose G. Evaluation of flow parameters of a catheter for intravascular cooling. BIOMED ENG-BIOMED TE 2012. [DOI: 10.1515/bmt-2012-4199] [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: 11/15/2022]
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Krug J, Jungnickel K, Ricke J, Fischbach F, Rose G. Heating of conductive wires in an open high field MRI environment: Effect of different wire positions in the MR scanner room. BIOMED ENG-BIOMED TE 2012. [DOI: 10.1515/bmt-2012-4093] [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: 11/15/2022]
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Bien T, Brose A, Schmidt B, Rose G. Neurovascular intervention with an electromagnetic navigated guidewire. BIOMED ENG-BIOMED TE 2012. [DOI: 10.1515/bmt-2012-4060] [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: 11/15/2022]
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Pilley M, Hitchens C, Rose G, Alexander S, Wimpenny D. The use of non-contact structured light scanning in burns pressure splint construction. Burns 2011; 37:1168-73. [DOI: 10.1016/j.burns.2011.07.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Revised: 06/29/2011] [Accepted: 07/06/2011] [Indexed: 11/16/2022]
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Chan V, Wang B, Veinot JP, Suh KN, Rose G, Desjardins M, Mesana TG. Tropheryma whipplei aortic valve endocarditis without systemic Whipple's disease. Int J Infect Dis 2011; 15:e804-6. [PMID: 21880531 DOI: 10.1016/j.ijid.2011.05.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2011] [Revised: 05/14/2011] [Accepted: 05/17/2011] [Indexed: 12/19/2022] Open
Abstract
Culture-negative endocarditis is most often the result of prior antimicrobial therapy. Tropheryma whipplei is the etiologic agent of Whipple's disease, which is typically characterized by diarrhea, weight loss, and intra-abdominal lymphadenopathy. We present the case of a 48-year-old male with Whipple's endocarditis of the aortic valve who did not develop signs of systemic Whipple's disease. Our patient was treated with a regimen that included ceftriaxone for 6 weeks prior to his cardiac surgery, yet valve pathology demonstrated abundant T. whipplei, suggesting that a prolonged antibiotic course is necessary for the treatment of Whipple's endocarditis.
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Affiliation(s)
- Vincent Chan
- Division of Cardiac Surgery, The University of Ottawa Heart Institute, University of Ottawa, 40 Ruskin Street, Suite H3402, Ottawa, Ontario K1Y4W7, Canada
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Corrales-Medina VF, Suh KN, Rose G, Chirinos JA, Doucette S, Cameron DW, Fergusson DA. Cardiac complications in patients with community-acquired pneumonia: a systematic review and meta-analysis of observational studies. PLoS Med 2011; 8:e1001048. [PMID: 21738449 PMCID: PMC3125176 DOI: 10.1371/journal.pmed.1001048] [Citation(s) in RCA: 160] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2010] [Accepted: 05/16/2011] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Community-acquired pneumonia (CAP) is a leading cause of morbidity and mortality. CAP can trigger acute cardiac events. We sought to determine the incidence of major cardiac complications in CAP patients to characterize the magnitude of this problem. METHODS AND FINDINGS Two investigators searched MEDLINE, Scopus, and EMBASE for observational studies of immunocompetent adults with clinical and radiological evidence of CAP that reported any of the following: overall cardiac complications, incident heart failure, acute coronary syndromes (ACS), or incident cardiac arrhythmias occurring within 30 days of CAP diagnosis. At a minimum, studies had to establish enrolment procedures and inclusion and exclusion criteria, enroll their patients sequentially, and report the incidence of cardiac complications as a function of their entire cohorts. Studies with focus on nosocomial or health care-associated pneumonia were not included. Review of 2,176 citations yielded 25 articles that met eligibility and minimum quality criteria. Seventeen articles (68%) reported cohorts of CAP inpatients. In this group, the pooled incidence rates for overall cardiac complications (six cohorts, 2,119 patients), incident heart failure (eight cohorts, 4,215 patients), acute coronary syndromes (six cohorts, 2,657 patients), and incident cardiac arrhythmias (six cohorts, 2,596 patients), were 17.7% (confidence interval [CI] 13.9-22.2), 14.1% (9.3-20.6), 5.3% (3.2-8.6), and 4.7% (2.4-8.9), respectively. One article reported cardiac complications in CAP outpatients, four in low-risk (not severely ill) inpatients, and three in high-risk inpatients. The incidences for all outcomes except overall cardiac complications were lower in the two former groups and higher in the latter. One additional study reported on CAP outpatients and low-risk inpatients without discriminating between these groups. Twelve studies (48%) asserted the evaluation of cardiac complications in their methods but only six (24%) provided a definition for them. Only three studies, all examining ACS, carried out risk factor analysis for these events. No study analyzed the association between cardiac complications and other medical complications or their impact on other CAP outcomes. CONCLUSIONS Major cardiac complications occur in a substantial proportion of patients with CAP. Physicians and patients need to appreciate the significance of this association for timely recognition and management of these events. Strategies aimed at preventing pneumonia (i.e., influenza and pneumococcal vaccination) in high-risk populations need to be optimized. Further research is needed to understand the mechanisms underlying this association, measure the impact of cardiac complications on other CAP outcomes, identify those patients with CAP at high risk of developing cardiac complications, and design strategies to prevent their occurrence in this population.
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Abstract
BACKGROUND When percutaneous endoscopic gastrostomy (PEG) is not possible, or fails, the patient is referred for laparoscopic gastrostomy or jejunostomy (LAG/J). METHOD During 2005-2008, we performed laparoscopy-assisted feeding tube insertion on 15 patients. We assessed the outcome in terms of leaks, infection, longevity etc. The patients were followed-up for up to 12 months. RESULTS The procedure was successful in 14/15 patients. However, thirteen died within little more than a year, of whom seven suffered from pneumonia or aspiration. DISCUSSION Our study confirms that LAG/J is technically possible, carries a high morbidity, is a last ditch attempt and that it does not change the general prognosis of these debilitated patients.
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Affiliation(s)
- R. Durai
- University Hospital Lewisham, London, SE13 6LH, United Kingdom
| | - G. Rose
- University Hospital Lewisham, London, SE13 6LH, United Kingdom
| | - A. Razvi
- University Hospital Lewisham, London, SE13 6LH, United Kingdom
| | - P. C. H. Ng
- University Hospital Lewisham, London, SE13 6LH, United Kingdom
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Watkins PJ, Rose G, Salvatore L, Allen D, Tucman D, Warner RD, Dunshea FR, Pethick DW. Age and nutrition influence the concentrations of three branched chain fatty acids in sheep fat from Australian abattoirs. Meat Sci 2010; 86:594-9. [PMID: 20696535 DOI: 10.1016/j.meatsci.2010.04.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2009] [Revised: 04/12/2010] [Accepted: 04/15/2010] [Indexed: 10/19/2022]
Abstract
The characteristic mutton odour, associated with the cooked meat of older sheep, can be problematic for some consumers who find the odour disagreeable. Branch chain fatty acids (BCFAs) are considered to be the main determinants of mutton odour. In this study, the aim was to identify the factors influencing the BCFA content of animals at abattoirs in Australia. Samples of subcutaneous fat from over the chump (gluteus medius) were collected from 533 sheep carcasses at abattoirs in New South Wales, Victoria and Western Australia. The carcasses were from sheep differing in age, gender, breed and nutrition. The concentrations of three branched chain fatty acids (BCFAs); namely, 4-methyloctanoic (MOA), 4-ethyloctanoic (EOA) and 4-methylnonanoic acids (MNA), were determined. Statistical modelling showed that, with pre-slaughter nutrition in the model as a random term, BCFA concentrations could be used for discriminating the age of sheep. Fat samples from lamb carcasses had lower MOA and EOA concentrations and a higher concentration of MNA in comparison to hogget and mutton (P<0.05). When nutrition was excluded as a random effect from the statistical model, the MOA and MNA concentrations did not differentiate between lamb, hogget and mutton whereas, for EOA, lamb had a lower concentration than mutton (P<0.05) with hogget intermediate. An interaction existed between age and gender (P<0.05) where female lambs had lower EOA concentrations relative to the mutton but not for castrates.
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Affiliation(s)
- P J Watkins
- Co-operative Research Centre for Sheep Industry Innovation, University of New England, Armidale NSW, 2351, Australia
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Saini B, Brillant M, Filipovska J, Gelgor L, Mitchell B, Rose G, Smith L. Factors influencing Australian community pharmacists' willingness to participate in research projects - an exploratory study. International Journal of Pharmacy Practice 2010. [DOI: 10.1211/ijpp.14.3.0004] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
Objective
To identify the factors influencing Australian community pharmacists' willingness to participate in research projects and their attitudes towards research.
Method
A mixed-method survey instrument comprising demographics, previous participation in research, and perceptions about participation in research was mailed to 267 community pharmacists in New South Wales and the Australian Capital Territory. An analysis of variance test was used to identify similarities and differences between research- and non-research-active respondents. Bivariate correlations and partial least squares (PLS) regression analyses were used to identify barriers and facilitators to research participation.
Key findings
The overall response rate to the survey was 40%. Of these, 70% were classified as previous research participants (PRP), and 30% were classified as non-previous research participants (NPRP). Both groups had mostly favourable attitudes towards research; however, the results revealed several differences between the PRP and NPRP groups. Three items were identified as key facilitators to participation in research for both PRP and NPRP groups - having an interest in the research topic; believing that the research will benefit the customer; and a belief that community pharmacy research is important. Lack of time, either real or perceived, was identified as a key barrier to participation in research for both the PRP and NPRP groups.
Conclusion
Researchers should take into account pharmacists' previous research experience when recruiting pharmacists into research projects. In the case of pharmacists with research experience, emphasis should be on promoting factors that facilitate participation. In the case of pharmacists with little research experience, emphasis should be on reducing barriers to participation.
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Affiliation(s)
- B Saini
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - M Brillant
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - J Filipovska
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - L Gelgor
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - B Mitchell
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - G Rose
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
| | - L Smith
- Pharmacy Practice, Faculty of Pharmacy, University of Sydney, New South Wales, Australia
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