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Bueno SV, Nielsen RO, Kallestrup P, Ryom K, Morgan K, Elsborg P, Petersen CB, Jacobsen JS. Parous women perform less moderate to vigorous physical activity than their nulliparous peers: a population-based study in Denmark. Public Health 2024; 231:47-54. [PMID: 38626671 DOI: 10.1016/j.puhe.2024.03.010] [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] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 04/18/2024]
Abstract
OBJECTIVES The World Health Organization (WHO) highlights parous women as a key population for monitoring trends of physical activity (PA). We aimed to estimate the proportion of Danish women non-adhering to WHO PA guidelines in parous women compared with nulliparous women and to describe leisure-time PA intensity in each of these groups. STUDY DESIGN Cross-sectional study. METHODS This population-based study builds on a sample of 27,668 women aged 16-40 years from the Danish National Health Survey 2021. These data were linked with childbirth data from the Danish National Birth Registry. The primary outcome was self-reported weekly hours of moderate to vigorous leisure-time PA (MVPA) dichotomized into: (i) adhering to WHO guidelines for MVPA or (ii) not adhering to WHO guidelines for MVPA. Binomial regression analysis was used to calculate prevalence proportions (PP) and prevalence proportion ratios (PPR). RESULTS Of the 27,668 women, a total of 20,022 were included; 9338 (46.6%) parous women and 10,684 (53.4%) nulliparous women. The PP of women non-adhering to WHO PA guidelines was 63.8% (95% CI 62.9-64.8) for parous and 51.3% (95% CI 50.4-52.3) for nulliparous women, corresponding to a PPR of 1.24 (95% CI 1.21; 1.27). CONCLUSIONS The proportion of parous women who did not adhere to WHO PA guidelines for MVPA was 24% higher than that of nulliparous women. This highlights parous women as a subgroup of the adult population at increased risk of non-adherence to WHO PA guidelines. These findings call for future research to inform new strategies aiming to promote PA in parous women.
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Affiliation(s)
- S V Bueno
- Research Unit for General Practice, Bartholins Allé 2, Aarhus C 8000, Denmark; Department of Public Health, Aarhus University, Bartholins Allé 2, Aarhus C 8000, Denmark.
| | - R O Nielsen
- Research Unit for General Practice, Bartholins Allé 2, Aarhus C 8000, Denmark; Department of Public Health, Aarhus University, Bartholins Allé 2, Aarhus C 8000, Denmark
| | - P Kallestrup
- Research Unit for General Practice, Bartholins Allé 2, Aarhus C 8000, Denmark; Department of Public Health, Aarhus University, Bartholins Allé 2, Aarhus C 8000, Denmark
| | - K Ryom
- Department of Public Health, Aarhus University, Bartholins Allé 2, Aarhus C 8000, Denmark
| | - K Morgan
- Centre for Development, Evaluation, Complexity and Implementation in Public Health Improvement (DECIPHer), Cardiff University, Spark, Maindy Road, Cardiff CF24 4HQ, United Kingdom
| | - P Elsborg
- Center for Clinical Research and Prevention, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Capital Region of Denmark, Copenhagen, Denmark
| | - C B Petersen
- National Institute of Public Health, Faculty of Health Science, University of Southern Denmark, Copenhagen, Denmark
| | - J S Jacobsen
- Research Unit for General Practice, Bartholins Allé 2, Aarhus C 8000, Denmark; Research Centre for Health and Welfare Technology, VIA University College, Aarhus, Denmark
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Ghobrial M, Haley H, Gosling R, Taylor DJ, Richardson J, Morgan K, Barmby D, Iqbal J, Krishnamurthy A, Singh R, Conway D, Hall I, Adam Z, Wheeldon N, Grech ED, Storey RF, Rothman A, Payne G, Tahir MN, Smith S, Cooke J, Hunter S, Cartwright N, Sadeque S, Briffa NP, Al-Mohammad A, O'Toole L, Rogers D, Lawford PV, Hose DR, Gunn J, Morris PD. Modelled impact of virtual fractional flow reserve in patients undergoing coronary angiography (VIRTU-4). Heart 2024:heartjnl-2024-324039. [PMID: 38754969 DOI: 10.1136/heartjnl-2024-324039] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/28/2024] [Indexed: 05/18/2024] Open
Abstract
BACKGROUND The practical application of 'virtual' (computed) fractional flow reserve (vFFR) based on invasive coronary angiogram (ICA) images is unknown. The objective of this cohort study was to investigate the potential of vFFR to guide the management of unselected patients undergoing ICA. The hypothesis was that it changes management in >10% of cases. METHODS vFFR was computed using the Sheffield VIRTUheart system, at five hospitals in the North of England, on 'all-comers' undergoing ICA for non-ST-elevation myocardial infarction acute coronary syndrome (ACS) and chronic coronary syndrome (CCS). The cardiologists' management plan (optimal medical therapy, percutaneous coronary intervention (PCI), coronary artery bypass surgery or 'more information required') and confidence level were recorded after ICA, and again after vFFR disclosure. RESULTS 517 patients were screened; 320 were recruited: 208 with ACS and 112 with CCS. The median vFFR was 0.82 (0.70-0.91). vFFR disclosure did not change the mean number of significantly stenosed vessels per patient (1.16 (±0.96) visually and 1.18 (±0.92) with vFFR (p=0.79)). A change in intended management following vFFR disclosure occurred in 22% of all patients; in the ACS cohort, there was a 62% increase in the number planned for medical management, and in the CCS cohort, there was a 31% increase in the number planned for PCI. In all patients, vFFR disclosure increased physician confidence from 8 of 10 (7.33-9) to 9 of 10 (8-10) (p<0.001). CONCLUSION The addition of vFFR to ICA changed intended management strategy in 22% of patients, provided a detailed and specific 'all-in-one' anatomical and physiological assessment of coronary artery disease, and was accompanied by augmentation of the operator's confidence in the treatment strategy.
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Affiliation(s)
- Mina Ghobrial
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Hazel Haley
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Rebecca Gosling
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
- NIHR Sheffield Biomedical Research Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Daniel James Taylor
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
| | - James Richardson
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Kenneth Morgan
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - David Barmby
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Javaid Iqbal
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Arvindra Krishnamurthy
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Rajender Singh
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Dwayne Conway
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Ian Hall
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Zulfiquar Adam
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Nigel Wheeldon
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Ever D Grech
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Robert F Storey
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
- NIHR Sheffield Biomedical Research Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Alexander Rothman
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
- NIHR Sheffield Biomedical Research Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Gillian Payne
- Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust, Doncaster, UK
| | | | - Simon Smith
- The Rotherham NHS Foundation Trust, Rotherham, UK
| | - Justin Cooke
- Chesterfield Royal Hospital NHS Foundation Trust, Chesterfield, UK
| | - Steven Hunter
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Neil Cartwright
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Syed Sadeque
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Norman Paul Briffa
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Abdallah Al-Mohammad
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Laurence O'Toole
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Dominic Rogers
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Patricia V Lawford
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
| | - David R Hose
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
| | - Julian Gunn
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
- NIHR Sheffield Biomedical Research Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Paul D Morris
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK
- South Yorkshire Cardiothoracic Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Insigneo Institute of In Silico medicine, University of Sheffield, Sheffield, UK
- NIHR Sheffield Biomedical Research Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
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Hartescu I, Gardiner P, Girardi A, Breen K, Roychowdhury A, Wallang P, Morgan K. Sleep disturbance and aggression incidents in secure mental health settings. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.375] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Elamin N, Ow KW, Parker WAE, Nelson TA, Middle J, Hanson J, Moyle B, Krishnamurthy A, Barmby D, Morgan K, Adam Z, Rothman A, Morris P, Iqbal J, Hall I, Conway D, Richardson J, Gunn JP, Storey RF. Oral Presentation No. 84 Initial clinical experience with 6-hour enoxaparin regimen in opiate-treated patients undergoing primary percutaneous coronary intervention. Cardiovasc Res 2022. [DOI: 10.1093/cvr/cvac157.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Opioid treatment delays the onset of oral P2Y12 inhibitors in patients with acute ST-segment elevation myocardial infarction (STEMI), leading to suboptimal antithrombotic therapy during primary percutaneous coronary intervention (PPCI).
Material and methods
We retrospectively compared using a prolonged enoxaparin regimen (0.75 mg/kg bolus followed by 6-hour intravenous infusion) to using unfractionated heparin (UFH) with or without tirofiban in opioid-treated patients with STEMI who underwent PPCI. We compared the proportions of acute stent thrombosis (AST) and bleeding events according to the bleeding academic research consortium (BARC) within 24 hours post-PPCI.
Results
270 opioid-treated patients with a mean age of 63 [SD ± 12] years were enrolled, of which 49 (18%) were with diabetes mellitus (DM). 90 (34%) patients (mean age 61 [SD ± 11] years) received enoxaparin, 110 (41%) (mean age 65 [SD ± 14] years) UFH with tirofiban, and 69 (25%) (mean age 63 [SD ± 12] years) UFH only. Compared to the other strategies, a higher proportion of DM was observed in the enoxaparin-treated group (21%). No AST was associated with enoxaparin compared to 2 (1.8%) events in UFH with tirofiban and 1 (1.4%) in UFH only. The rate of severe bleeding events (BARC 2 and 3) was significantly lower in the enoxaparin-treated patients than in UFH with tirofiban (0 (0%) vs. 8 (7%), P = 0.01). 3 enoxaparin-treated patients needed switching to tirofiban as a bailout strategy due to distal vessel embolisation.
Conclusions
The novel 6-hour enoxaparin regimen is safe during PPCI and was associated with fewer bleeding events than UFH with tirofiban.
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Affiliation(s)
- Nadir Elamin
- Sheffield Teaching Hospitals; University of Sheffield
| | - Kok Weng Ow
- Sheffield Teaching Hospitals; University of Sheffield
| | | | | | | | | | | | | | | | | | | | | | - Paul Morris
- Sheffield Teaching Hospitals; University of Sheffield
| | | | | | | | | | - Julian P Gunn
- Sheffield Teaching Hospitals; University of Sheffield
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Sahota P, Yu M, Polderman J, Achtem L, Stephenson A, Morgan K, Lauck S. Validation of the virtual measurement of the Essential Frailty Toolset. Eur J Cardiovasc Nurs 2022. [PMCID: PMC9384357 DOI: 10.1093/eurjcn/zvac060.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Funding Acknowledgements Type of funding sources: None. Background The Essential Frailty Toolset (EFT) is a valid measurement of frailty in people with heart valve disease. COVID-19 has prompted the transition to virtual health consultations and necessitates the validation of the virtual assessment of frailty. Methods We conducted a prospective observational cohort study to compare the measurement of EFT in person and virtual format within a maximum 2-week window of repeated measurement. The weighted Kappa tests was used to measure the agreement of EFT scores between assessments; we explored the effect of the sequence of measurement using the Cochran-Mantel-Haenszel statistic to test the general association between the timing of measurement and differences of EFT score. Results We recruited a sample of 49 patients, with a mean age of 81 ± 7 years, including 29 men (59.2%); the primary valvular heart diseases were aortic stenosis (n=40, 81.6%), mitral regurgitation (n=2, 4.1%) and tricuspid regurgitation (n=7, 14.3%). The virtual measurement of frailty was conducted using a standardised protocol. The platform for virtual connection selected by patients was FaceTime (n=20, 40.8%) and Zoom (n=29, 59.2%); the median (IQR) number of days between the in-person and the virtual assessment was 5 (3,10). The weighted Kappa estimate was 0.69 (95% CI 0.55, 0.82), illustrating a strong agreement between the separate scores obtained. The test for the general association was non-significant (p=0.82), indicating a lack of evidence for detecting an association between EFT scores and chronological order of assessment. Conclusion The EFT can be reliably measured virtual in older patients with valvular heart disease to inform clinical care.
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Affiliation(s)
- P Sahota
- St Paul's Hospital , Vancouver , Canada
| | - M Yu
- St Paul's Hospital , Vancouver , Canada
| | | | - L Achtem
- St Paul's Hospital , Vancouver , Canada
| | | | - K Morgan
- St Paul's Hospital , Vancouver , Canada
| | - S Lauck
- St Paul's Hospital , Vancouver , Canada
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Morgan K, Rees CD, Shahait M, Craighead C, Connelly ZM, Ahmed ME, Khater N. Urolithiasis in pregnancy: Advances in imaging modalities and evaluation of current trends in endourological approaches. Actas Urol Esp 2022; 46:259-267. [PMID: 35551890 DOI: 10.1016/j.acuroe.2022.03.005] [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] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 06/27/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Given the challenges involved in diagnosis and treatment of pregnant women with urolithiasis, we aim to review the imaging modalities and current endourological management of these patients. MATERIALS AND METHODS We performed a review of the available literature on urolithiasis in pregnancy. This included evaluation, diagnostic imaging, and therapeutic options. The databases we searched from included Google Scholar and PubMed. A total of 346 abstracts were screened. After our inclusion/exclusion criteria were met, we were left with 42 sources: 18 retrospective studies, 10 reviews/meta-analyses, 8 sets of guidelines, 5 randomized control trials, and 1 prospective cohort. RESULTS We begin our review with the literature available on the safety and efficacy of imaging modalities in the surgical planning for urolithiasis in pregnant patients. This includes renal ultrasound, abdominal x-ray, computed tomography scan, and magnetic resonance imaging. While computed tomography may result in an added radiation exposure, with possible safety concerns, magnetic resonance imaging seems to be safer, however a less sensitive test. We next describe safety, efficacy, and outcomes of various surgical interventions for urolithiasis in pregnant patients. This encompasses ureteral stenting, percutaneous nephrostomy, ureteroscopy, extracorporeal shock wave lithotripsy, and percutaneous nephrolithotomy. Ureteroscopy is a safer approach, but percutaneous nephrolithotomy offers higher stone-free rates. Using an evidence-based approach, we propose an algorithm for management of the pregnant women with renal colic. CONCLUSION Management of the pregnant women with suspected urolithiasis is a unique challenge for healthcare providers. A multi-disciplinary approach should be taken to optimize outcomes through an evidence-based approach.
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Affiliation(s)
- K Morgan
- Department of Urology, Louisiana State University Health Sciences Center, Shreveport, USA
| | - C D Rees
- Louisiana State University Health Sciences Center, School of Medicine Shreveport, LA, USA
| | - M Shahait
- Department of Surgery, King Hussein Cancer Center, Amman, Jordan
| | - C Craighead
- Louisiana State University Health Sciences Center, School of Medicine Shreveport, LA, USA
| | - Z M Connelly
- Louisiana State University Health Sciences Center, School of Medicine Shreveport, LA, USA
| | - M E Ahmed
- Department of Urology, Mayo Clinic, Rochester, USA
| | - N Khater
- Department of Urology, Louisiana State University Health Sciences Center, Shreveport, USA.
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Salehi M, Ochieng L, Gosling R, Morgan K. Coronary sinus thrombosis as a complication of myocardial infarction-associated ventricular wall rupture: an unusual cause of collapse. BMJ Case Rep 2022; 15:e248815. [PMID: 35351764 PMCID: PMC8966530 DOI: 10.1136/bcr-2022-248815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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] [Accepted: 03/13/2022] [Indexed: 01/31/2023] Open
Abstract
Coronary sinus thrombosis is a rare phenomenon, most commonly occurring following invasive cardiac procedures. Spontaneous thrombosis is extremely rare and little is known about the natural history or optimal management. We present a case of coronary sinus thrombosis occurring in the context of myocardial infarction with concealed ventricular wall rupture.
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Affiliation(s)
- Mahan Salehi
- The Department of Infection, Immunity and Cardiovascular Disease, The University of Sheffield, Sheffield, UK
- The Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Lorraine Ochieng
- The Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Rebecca Gosling
- The Department of Infection, Immunity and Cardiovascular Disease, The University of Sheffield, Sheffield, UK
- The Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Kenneth Morgan
- The Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
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Morgan K, Rees C, Shahait M, Craighead C, Connelly Z, Ahmed M, Khater N. Urolitiasis en el embarazo: avances en las modalidades de imagen y evaluación de las tendencias actuales en los abordajes endourológicos. Actas Urol Esp 2022. [DOI: 10.1016/j.acuro.2021.06.006] [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: 10/19/2022]
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Richter WR, Sunderman MM, Mera TO, O’Brien KA, Morgan K, Streams S. Evaluation of environmental conditions as a decontamination approach for
SARS‐CoV
‐2 when applied to common library, archive, and museum related materials. J Appl Microbiol 2022; 132:3405-3415. [PMID: 35094472 PMCID: PMC9306959 DOI: 10.1111/jam.15468] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 11/22/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 12/02/2022]
Abstract
Aims The purpose of this study was to evaluate the effects of ambient or altered environmental conditions on the inactivation of SARS‐CoV‐2 applied to materials common in libraries, archives and museums. Methods and Results Porous and non‐porous materials (e.g. paper, plastic protective book cover) were inoculated with approximately 1 × 105 TCID50 SARS CoV‐2 (USA‐WA1/2020), dried, placed within test chamber in either a stacked or unstacked configuration, and exposed to environmental conditions ranging from 4 to 29°C at 40 ± 10% relative humidity. The amount of infectious SARS‐CoV‐2 was then assessed at various timepoints from 0 to 10 days. Ambient conditions resulted in varying inactivation rates per material type. Virus inactivation rate decreased when materials were stacked or at colder temperatures. Virus inactivation rate increased when materials were unstacked or at warmer temperatures. Conclusions SARS‐CoV‐2 at ambient conditions resulted in the inactivation of virus below limit of quantitation (LOQ) for all materials by Day 8. Warmer temperatures, for a subset of materials, increased SARS‐CoV‐2 inactivation, and all were <LOQ by Day 3. Significance and Impact of the Study These results provide information for the library, archives and museum community regarding the inactivation of SARS‐CoV‐2, showing that inactivation is possible using prescribed environmental conditions and is a potential method of decontamination for items not compatible with common liquid disinfectants.
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Affiliation(s)
| | | | - T. O. Mera
- Battelle Memorial Institute Columbus OH USA
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Kruse D, Morgan K, Christensen J, Derner BS, Sachs B. Treatment of Non-Healing Diabetic Foot Wounds with Vaporous Hyperoxia Therapy in Conjunction with Standard Wound Care. J Am Podiatr Med Assoc 2021; 113:469978. [PMID: 34473280 DOI: 10.7547/20-259] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 04/09/2021] [Indexed: 02/03/2023]
Abstract
Vaporous Hyperoxia Therapy (VHTTM), a patented FDA-510 (k) cleared technology, is an adjunct therapy used in conjunction with standard wound care (SWC). VHT is said to improve the health of wounded tissue by administering a low-frequency, non-contact, non-thermal ionic anti-microbial hydrating mist alternating with concentrated topical oxygen therapy (TOT). VHT was used to treat 36 subjects with chronic diabetic foot ulcers (DFUs) that were previously treated unsuccessfully with SWC. The average age of DFU in the study was 11 months old and the average size was over 3 cm2. Wounds were either Wagner Grade 2 or 3 and most commonly on the plantar surface around the midfoot. Treatment consisted of twice weekly applications of VHT and wound debridement. Subjects were followed to wound closure, 20 weeks, or 40 treatments, whichever came first. The combination of SWC and VHT in the group that met and maintained compliance throughout the study period achieved an 83% DFU closure rate within a 20-week time period. The average time for DFU closure in this study was 9.4 weeks. Historical analysis of SWC shows a 30.9% healing rate of all wounds, not differentiating chronic wounds. Accordingly, SWC/VHT increases chronic diabetic foot ulcer healing rates by 2.85 times compared with SWC alone. The purpose of this study was two-fold: first, to observe the effect of VHT on healing rates and time to healing in previously nonhealing DFUs and second, to compare VHT with SWC, TOT and hyperbaric oxygen therapy (HBOT) and ultrasound therapies.
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Affiliation(s)
- Dustin Kruse
- *Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Kenneth Morgan
- *Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Jeremy Christensen
- *Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Brian S Derner
- *Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Brett Sachs
- *Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
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Kjellberg L, Morgan K. Introduction to automatic forage stations and measurement of forage intake rate in an active open barn for horses. Animal 2020; 15:100152. [PMID: 33573955 DOI: 10.1016/j.animal.2020.100152] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 11/09/2020] [Accepted: 11/12/2020] [Indexed: 11/15/2022] Open
Abstract
Interest in the use of open barns on Swedish horse farms is increasing as an alternative to keeping horses in box stalls and as a 2007 law requires phasing out of tie stalls. To provide adequate forage to satisfy welfare requirements for nutrition, gut health and behavioural needs, the use of automated feeding is also increasing. Studies on forage intake rate report wide variation but provide little information on how to introduce horses to an automatic forage station and on how forage intake rate varies in individual horses fed using an automatic forage station. This study documented the process of training 22 horses to use a transponder-controlled automatic forage feeding station and measured forage intake rates. Observations on the learning period of horses for transponder-controlled automatic forage stations showed that after 4 days, 48% of the horses had reached the goal of 90% intake. After 8 days, learning was completed in 71% of horses and at 16 days in 95% of horses. Measurements of forage intake rate revealed significant differences between individual horses. Overall mean intake rate ± SD, based on 314 observations, was 22.4 ± 6.7 min/kg forage DM. Evaluation of the number of intake measurements required to set a representative average ration in the automatic station for an individual horse showed that the variation levelled off at four samples. In conclusion, horses quickly learned how to use an automatic forage station, with two-thirds of horses achieving this within 7 days. To ensure the correct ration in a timed transponder-controlled automatic forage station, each horse's forage intake rate must be measured at least four times to obtain a representative average.
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Affiliation(s)
- L Kjellberg
- Swedish National Equestrian Centre Strömsholm, Stallbacken 6, SE-734 94 Strömsholm, Sweden; Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Box 7011, SE-750 07 Uppsala, Sweden.
| | - K Morgan
- Swedish National Equestrian Centre Strömsholm, Stallbacken 6, SE-734 94 Strömsholm, Sweden; Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Box 7011, SE-750 07 Uppsala, Sweden
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Hartescu I, Morgan K, Stensel DJ, Thackray AE, King JA. 0539 Are Short Sleepers Uncoupled Sleepers? Sleep 2020. [DOI: 10.1093/sleep/zsaa056.536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
While short sleep durations (<7h/night) are associated with increased diabetes risk, there is limited evidence that increasing the habitual sleep duration of short sleepers is either feasible, or will reliably improve metabolic health outcomes. Furthermore, in the absence of insomnia disorder, it remains unclear whether habitual short sleep mainly reflects a genetic predisposition or a lifestyle choice. In a randomized controlled study we delivered a sleep extension protocol based on CBTi principles to overweight ‘short sleepers’ at increased risk of Type II diabetes.
Methods
18 male short sleepers (Mage=41.4; MBMI=29.57; baseline mean TST=5.8 h/ night) with no complaints of insomnia were randomized to the sleep extension intervention or control condition (printed sleep hygiene advice). The 6-week intervention commenced with personalized sleep re-scheduling negotiated in a 60-minute 1-to-1 session, and supported by elements of sleep hygiene, stimulus control, relaxation and cognitive strategies. Outcomes included sleep duration (actigraphy), fasting insulin, Mean Amplitude of Glycemic Excursions (MAGE) from continuous glucose monitoring, and blood pressure. Data were analyzed in linear fixed effects models including time, group and baselines values.
Results
Adherence to the 6-week protocol was high. Relative to controls (n=8), intervention participants (n = 10) showed a significant increase in TST (95%CI 46.91min, 101.64min, p<0.001; MDiff = 79.4min, p<0.001) and significant reductions in fasting insulin (95%CI -32.08 pmol/L, -.97.0 pmol/L; p=0.04; MDiff = -10.2 pmol/L, p=0.06); MAGE (95%CI -0.77, -0.08, p=0.02; MDiff -0.35, p=0.05) and diastolic (95%CI -22, -5, p=0.004; MDiff=-12, p=0.004); and systolic blood pressure (95%CI -20, -2, p=0.03; MDiff=-10, p=0.006).
Conclusion
CBTi-based sleep extension protocols offer feasible and effective lifestyle interventions in the management of metabolic health in overweight short sleepers who fit published categorization of non-complaining poor sleepers with an undeveloped insomnia identity whose subjective sleep experience and objective sleep characteristics are ‘uncoupled’.
Support
School of Sport, Exercise and Health Sciences, Loughborough University
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Affiliation(s)
- I Hartescu
- Loughborough University, Loughborough, UNITED KINGDOM
| | - K Morgan
- Loughborough University, Loughborough, UNITED KINGDOM
| | - D J Stensel
- Loughborough University, Loughborough, UNITED KINGDOM
| | - A E Thackray
- Loughborough University, Loughborough, UNITED KINGDOM
| | - J A King
- Loughborough University, Loughborough, UNITED KINGDOM
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13
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Madden S, Collett D, Walton P, Empson K, Forsythe J, Ingham A, Morgan K, Murphy P, Neuberger J, Gardiner D. The effect on consent rates for deceased organ donation in Wales after the introduction of an opt-out system. Anaesthesia 2020; 75:1146-1152. [PMID: 32372409 PMCID: PMC7496553 DOI: 10.1111/anae.15055] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2020] [Indexed: 01/19/2023]
Abstract
Organ transplantation saves and transforms lives. Failure to secure consent for organ retrieval is widely regarded as the single most important obstacle to transplantation. A soft opt‐out system of consent for deceased organ donation was introduced into Wales in December 2015, whilst England maintained the existing opt‐in system. Cumulative data on consent rates in Wales were compared with those in England, using a two‐sided sequential procedure that was powered to detect an absolute difference in consent rates between England and Wales of 10%. Supplementary risk‐adjusted logistic regression analysis examined whether any difference in consent rates between the two nations could be attributed to variations in factors known to influence UK consent rates. Between 1 January 2016 and 31 December 2018, 8192 families of eligible donors in England and 474 in Wales were approached regarding organ donation, with overall consent rates of 65% and 68%, respectively. There was a steady upward trend in the proportion of families consenting to donation after brain death in Wales as compared with England and after 33 months, this reached statistical significance. No evidence of any change in the donation after circulatory death consent rate was observed. Risk‐adjusted logistic regression analysis revealed that by the end of the study period the probability of consent to organ donation in Wales was higher than in England (OR [95%CI] 2.1 [1.26–3.41]). The introduction of a soft opt‐out system of consent in Wales significantly increased organ donation consent though the impact was not immediate.
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Affiliation(s)
- S Madden
- NHS Blood and Transplant, Bristol, UK
| | - D Collett
- NHS Blood and Transplant, Bristol, UK
| | - P Walton
- NHS Blood and Transplant, Bristol, UK
| | - K Empson
- Cardiff and Vale University Health Board, Cardiff, UK
| | | | - A Ingham
- Betsi Cadwaladr University Health Board, Bangor, UK
| | - K Morgan
- Public Health Wales, Cardiff, UK
| | - P Murphy
- Leeds Teaching Hospitals NHS Trust, Leeds, UK
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14
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Foroozesh M, Morgan K, Coston TS, Wilkins-Green C, Billizon A. CLOSING THE LEAK: KEEPING LATE-DECIDING STUDENTS IN THE PIPELINE TO BIOMEDICAL RESEARCH CAREERS. EDULEARN Proc 2019; 2019:786-791. [PMID: 35291321 PMCID: PMC8920349 DOI: 10.21125/edulearn.2019.0258] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
With the increased competitiveness of undergraduate, graduate, and professional programs, the continuously accelerating rate of technological innovation and development of new global means of communication, and the evolving face of the local, national, and global job markets, choosing a long-term career has become a challenge for many. More and more students opt to take a gap period in their education, pre- or post-college, for soul searching to determine their future path or for improving their skills and competitiveness for successfully applying to academic institutions. Even though such gap years can lead to more mature and determined students, they often derail the educational path of the individual by leading to loss of interest or to new commitments which hinder going back to school. Engaging students in academic and skills training programs that keep them within the academic environment and provide them with exposure to the benefits of higher education has been shown to increase their persistence, leading to an increased rate of attaining higher-level degrees. A number of United States (US) federal funding agencies, including the National Institutes of Health (NIH), have programs such as the Bridges to Baccalaureate Program (support for easing a student's transition from a 2-year junior or community college to a 4-year baccalaureate-granting institution) and Post-baccalaureate Research Education Program (PREP, support for recent college graduates from underrepresented groups or disadvantaged backgrounds to strengthen their research skills and academic competitiveness for pursuing a doctorate degree in the Biomedical Sciences). At Xavier University of Louisiana (Xavier), we have developed a post-baccalaureate technician program under Project Pathways (the NIH National Institute of General Medical Sciences (NIGMS) Division of Training, Workforce Development, and Diversity (TWD)-funded Building Infrastructure Leading to Diversity (BUILD) Program), that provides research experience and training in soft skills to recent Xavier graduates to increase their preparation and competitiveness for graduate programs. The BUILD Technicians also receive both mentee and mentor training and serve as near-peer mentors to undergraduate students in their labs, increasing their scientific identity and preparing them for their future role as graduate teaching assistants. Here, we report the lessons learned from this program and how its differences from other post-baccalaureate programs, including those under the NIH PREP umbrella, have led to improved outcomes for Xavier graduates gaining admission to graduate programs in the Biomedical Sciences.
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Affiliation(s)
- M Foroozesh
- Xavier University of Louisiana (UNITED STATES)
| | - K Morgan
- Xavier University of Louisiana (UNITED STATES)
| | - T S Coston
- Xavier University of Louisiana (UNITED STATES)
| | | | - A Billizon
- Xavier University of Louisiana (UNITED STATES)
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15
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Morgan K, Boktor M, Ford C, Pham L, Morris JD, Jordan PA, Cvek U, Trutschl M, Alexander JS. Venous thromboembolism in IBD: Increased risk for women in CD? Pathophysiology 2019; 26:163-168. [PMID: 31014914 DOI: 10.1016/j.pathophys.2019.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 03/12/2019] [Indexed: 01/06/2023] Open
Abstract
Although coagulation disturbances have been described in inflammatory bowel disease (IBD), it remains unclear how common venous thromboembolism (VTE) is in IBD, and what factors influence VTE frequency. We evaluated VTE in Crohn's disease (CD) and ulcerative colitis (UC) at LSUHSC-S, a southern US medical center with an approximately equal White: African-American (AA) (1.12:1) patient base. This retrospective study evaluated VTE as a co-morbidity in IBD as a function of age, gender and race based on ICD-10 coding (2011-2015.) Results. Of 276 IBD diagnostic records, 213 were for CD (77.17%) and 63 for UC (22.8%). 52% of the CD patients were white, 42% were AA, and 6% were other. 42% of CD patients were male, with 58% were female. 6.1% (13 patients) of the 213 CD patients had a VTE. Of these 13 CD patients, 9 had active disease and 4 were in remission. 9 of 13 were female and 4 were male, with 5 white patients and 4 A A patients. 63 patients were diagnosed with UC, 3.38-fold fewer cases than CD. 25 UC patients were white, 25 were AA and 13 were in other ethnic groups. Of 63 UC cases, 2 UC patients had a VTE, both with active disease. At our institution, VTE appears to be 3x more frequently associated with CD than UC and was more common in white female patients. The recognition of VTE risk in CD, particularly in women, may be an important observation which may guide therapy and limit potentially life-threatening consequences.
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Affiliation(s)
- K Morgan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States
| | - M Boktor
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States
| | - C Ford
- LSUHSC-S, Molecular and Cellular Physiology, United States
| | - L Pham
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States
| | - J D Morris
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States; LSUHSC-S, Molecular and Cellular Physiology, United States; LSU Shreveport, Department of Computer Science, United States
| | - P A Jordan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States
| | - U Cvek
- LSU Shreveport, Department of Computer Science, United States
| | - M Trutschl
- LSU Shreveport, Department of Computer Science, United States
| | - J S Alexander
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, United States; LSUHSC-S, Molecular and Cellular Physiology, United States.
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16
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Morgan K, Campbell KL, Sargeant S, Reidlinger DP. Preparing our future workforce: a qualitative exploration of dietetics practice educators’ experiences. J Hum Nutr Diet 2019; 32:247-258. [DOI: 10.1111/jhn.12620] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. Morgan
- Faculty of Health Sciences and Medicine; Bond University; Gold Coast QLD Australia
| | - K. L. Campbell
- Faculty of Health Sciences and Medicine; Bond University; Gold Coast QLD Australia
| | - S. Sargeant
- School of Health and Human Sciences; Southern Cross University; Coolangatta QLD Australia
| | - D. P. Reidlinger
- Faculty of Health Sciences and Medicine; Bond University; Gold Coast QLD Australia
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17
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Morgan K. The National Exercise Referral Scheme in Wales: exploring scheme implementation over 10 years. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky218.099] [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: 11/12/2022] Open
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18
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Morgan K, Hawkins J, Hallingberg B, Roberts C, Murphy S, Moore G. Energy drink use and health complaints: findings from the 2013/14 HBSC study in Wales. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky212.514] [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: 11/14/2022] Open
Affiliation(s)
| | | | | | | | | | - G Moore
- Cardiff University, Cardiff, UK
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19
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Morgan K, Campbell KL, Reidlinger DP. Dietetics students' experiences of dietetics workforce preparation and preparedness: a systematic review and qualitative synthesis. J Hum Nutr Diet 2018; 32:226-246. [PMID: 30328172 DOI: 10.1111/jhn.12600] [Citation(s) in RCA: 9] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Dietetics students are a widely researched group. As emerging dietitians, they can provide valuable insights to inform how dietetics education programmes may be enhanced to meet contemporary healthcare needs. This review aimed to systematically synthesise dietetics students' experiences of dietetics workforce preparation. METHODS MEDLINE, CINAHL, Embase, PsycINFO, ERIC, Informit and ProQuest Dissertations and Theses Global were searched to identify research published until June 2017. Studies investigating dietetics students' experiences of dietetics workforce preparation, and employing qualitative data collection and analysis methods were included. Data analysis was guided by thematic synthesis, where themes were constructed through an iterative and inductive process. Study quality was appraised using the RATS Qualitative Research Review Guidelines. RESULTS From the 3301 records identified, five studies met the inclusion criteria and the views of 120 dietetics students from two countries over a 9-year period were synthesised. The overarching theme of 'navigating through the ups and downs' was underpinned by four main themes: enduring hurdles; reconciling expectations; transforming self; and making and breaking connections. Quality appraisal results rated selection bias as being inadequate/inappropriate across all studies. CONCLUSIONS Dietetics students undertake a transformational journey through dietetics education. They are inspired by seeing what is possible through meaningful encounters with practitioners in diverse settings. However, they are challenged by competitive environments and perceived ideals that are embedded in the profession. Strategies that focus on exposing dietetics students to inspirational practitioners, increasing and celebrating diversity in academic/placement settings, and incentivising collaboration across dietetics education, could act as catalysts to enhance the experience of future dietetics students and the nutrition-related health of those they will serve.
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Affiliation(s)
- K Morgan
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia
| | - K L Campbell
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia
| | - D P Reidlinger
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia
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20
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Morgan K, Fassoula V, Samuel K, Morley SD, Hayes PC, Plevris JN. Letter to the editor: 'Human based systems: Mechanistic NASH modelling just around the corner?'. Pharmacol Res 2018; 137:280-281. [PMID: 30315964 DOI: 10.1016/j.phrs.2018.09.028] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 09/28/2018] [Indexed: 11/25/2022]
Affiliation(s)
- K Morgan
- University of Edinburgh Hepatology Laboratory, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, United Kingdom.
| | - V Fassoula
- University of Edinburgh Hepatology Laboratory, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, United Kingdom.
| | - K Samuel
- Scottish National Blood Transfusion Service, Advanced Therapeutics, Jack Copland Centre, 52 Research Avenue North, Edinburgh, EH14 4BE, United Kingdom.
| | - S D Morley
- University of Edinburgh Hepatology Laboratory, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, United Kingdom.
| | - P C Hayes
- University of Edinburgh Hepatology Laboratory, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, United Kingdom.
| | - J N Plevris
- University of Edinburgh Hepatology Laboratory, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, United Kingdom.
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21
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Foroozesh M, Giguette M, Morgan K, Johanson K. BUILDING INFRASTRUCTURE LEADING TO DIVERSITY PROGRAM AT XAVIER UNIVERSITY OF LOUISIANA, PROJECT PATHWAYS. EDULEARN Proc 2018; 2018:9940-9944. [PMID: 35261916 PMCID: PMC8900251 DOI: 10.21125/edulearn.2018.2398] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Xavier University of Louisiana (XULA) is the only historically Black and Catholic institution of higher education in the United States. XULA's mission focuses on "the promotion of a more just and humane society" by educating students in a diverse learning environment. Even though Xavier's reputation in the sciences attracts many of the best and brightest students in the nation, the University also continues to provide an excellent educational opportunity to many students who, due to socioeconomic disparities, lack the appropriate preparation for college. The ultimate goal of Project Pathways, the National Institutes of Health (NIH)-funded BUILD (Building Infrastructure Leading to Diversity) Program at Xavier, is to increase the number of students who enter graduate programs in biomedical disciplines, successfully earn terminal degrees, and enter the biomedical research workforce. Xavier's plan to meet this challenge is based on a holistic approach, providing an integrated and coordinated student support and research skills training network. This coordinated effort cuts across academic departments in biomedical disciplines, academic support offices that include the Student Academic Success Office (SASO), the Office of Career Services (OCS), and the Center for Undergraduate Research and Graduate Opportunity (CURGO), as well as the Center for the Advancement of Teaching and Faculty Development (CAT+FD) for faculty support and mentor training. This work seeks to counter the regular practice at higher education institutions that have yet to address the importance of integrated programming across academic programs, student support programs, and research programs. This lack of coordinated and integrated programming often leads to duplication of efforts and ineffective use of resources. Xavier's BUILD program intentionally provides mechanisms and safeguards to ensure that coordination and integration occur at all levels. The overall hypothesis of Project Pathways is that when in a systematic way underrepresented minorities are provided with: early awareness and deepening exposure to biomedical careers;supportive relationships for students as they move through the pathway;suitable infrastructure; andmeaningful student engagement in biomedical research experiences and adequate research resources, a higher number will succeed in first entering, and later successfully completing graduate programs, leading to increased diversity in the biomedical research workforce. Preliminary assessment results are very encouraging; these results show higher course pass rates and better student preparation overall. The Project Pathways' initiatives can be replicated at other institutions with similar goals.
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Affiliation(s)
- M Foroozesh
- Xavier University of Louisiana (UNITED STATES)
| | - M Giguette
- Xavier University of Louisiana (UNITED STATES)
| | - K Morgan
- Xavier University of Louisiana (UNITED STATES)
| | - K Johanson
- Xavier University of Louisiana (UNITED STATES)
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22
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Affiliation(s)
- W.H. Wilson Tang
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Paula McGee
- The Biostatistics Center, George Washington University, Rockville, MD
| | - John M. Lachin
- The Biostatistics Center, George Washington University, Rockville, MD
| | - Daniel Y. Li
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | | | - Stanley L. Hazen
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
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23
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Wang H, Wang J, Cloud C, Duke T, Owzarski S, Adams D, Morgan K, Gilkeson G. Comparison of mesenchymal stem cells from healthy donor and chronic pancreatitis patients. Cytotherapy 2018. [DOI: 10.1016/j.jcyt.2018.02.156] [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: 11/25/2022]
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24
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Patel T, Brookes KJ, Turton J, Chaudhury S, Guetta-Baranes T, Guerreiro R, Bras J, Hernandez D, Singleton A, Francis PT, Hardy J, Morgan K. Whole-exome sequencing of the BDR cohort: evidence to support the role of the PILRA gene in Alzheimer's disease. Neuropathol Appl Neurobiol 2018; 44:506-521. [PMID: 29181857 DOI: 10.1111/nan.12452] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 11/22/2017] [Indexed: 02/03/2023]
Abstract
AIM Late-onset Alzheimer's disease (LOAD) accounts for 95% of all Alzheimer's cases and is genetically complex in nature. Overlapping clinical and neuropathological features between AD, FTD and Parkinson's disease highlight the potential role of genetic pleiotropy across diseases. Recent genome-wide association studies (GWASs) have uncovered 20 new loci for AD risk; however, these exhibit small effect sizes. Using NGS, here we perform association analyses using exome-wide and candidate-gene-driven approaches. METHODS Whole-exome sequencing was performed on 132 AD cases and 53 control samples. Exome-wide single-variant association and gene burden tests were performed for 76 640 nonsingleton variants. Samples were also screened for known causative mutations in familial genes in AD and other dementias. Single-variant association and burden analysis was also carried out on variants in known AD and other neurological dementia genes. RESULTS Tentative single-variant and burden associations were seen in several genes with kinase and protease activity. Exome-wide burden analysis also revealed significant burden of variants in PILRA (P = 3.4 × 10-5 ), which has previously been linked to AD via GWAS, hit ZCWPW1. Screening for causative mutations in familial AD and other dementia genes revealed no pathogenic variants. Variants identified in ABCA7, SLC24A4, CD33 and LRRK2 were nominally associated with disease (P < 0.05) but did not withstand correction for multiple testing. APOE (P = 0.02) and CLU (P = 0.04) variants showed significant burden on AD. CONCLUSIONS In addition, polygenic risk scores (PRS) were able to distinguish between cases and controls with 83.8% accuracy using 3268 variants, sex, age at death and APOE ε4 and ε2 status as predictors.
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Affiliation(s)
- T Patel
- Human Genetics Group, University of Nottingham, Nottingham, UK
| | - K J Brookes
- Human Genetics Group, University of Nottingham, Nottingham, UK
| | - J Turton
- Human Genetics Group, University of Nottingham, Nottingham, UK
| | - S Chaudhury
- Human Genetics Group, University of Nottingham, Nottingham, UK
| | | | - R Guerreiro
- Department of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.,UK Dementia Research Institute at UCL (UK DRI), London, UK.,Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, Aveiro, Portugal
| | - J Bras
- Department of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.,UK Dementia Research Institute at UCL (UK DRI), London, UK.,Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, Aveiro, Portugal
| | - D Hernandez
- Laboratory of Neurogenetics, National Institute of Aging, National Institute of Health, Bethesda, MD, USA
| | - A Singleton
- Laboratory of Neurogenetics, National Institute of Aging, National Institute of Health, Bethesda, MD, USA
| | - P T Francis
- Brains for Dementia Research Resource, Wolfson Centre for Age Related Diseases, King's College London, London, UK
| | - J Hardy
- Department of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.,UK Dementia Research Institute at UCL (UK DRI), London, UK
| | - K Morgan
- Human Genetics Group, University of Nottingham, Nottingham, UK
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25
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Morgan K, Godwin J, Fildes A, Darwent K. Feasibility findings from the Charming study: a school-based role model programme. Eur J Public Health 2017. [DOI: 10.1093/eurpub/ckx186.309] [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
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26
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Abstract
BACKGROUND Substance use may increase the risk of non-adherence to antipsychotics, resulting in negative outcomes in patients with psychosis. METHOD We aimed to quantitatively summarize evidence regarding the effect of cannabis use, the most commonly used illicit drug amongst those with psychosis, on adherence to antipsychotic medication. Studies were identified through a systematic database search. Adopting random-effects models, pooled odds ratios (OR) for risk of non-adherence to antipsychotic medications were calculated comparing: cannabis-users at baseline v. non-users at baseline; non users v. continued cannabis users at follow-up; non-users v. former users at follow-up; former users v. current users. RESULTS Fifteen observational studies (n = 3678) were included. Increased risk of non-adherence was observed for cannabis users compared to non-users (OR 2.46, n = 3055). At follow-up, increased risk of non-adherence was observed for current users compared to non-users (OR 5.79, n = 175) and former users (OR 5.5, n = 192), while there was no difference between former users and non-users (OR 1.12, n = 187). CONCLUSIONS Cannabis use increases the risk of non-adherence and quitting cannabis use may help adherence to antipsychotics. Thus, cannabis use may represent a potential target for intervention to improve medication adherence in those with psychosis.
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Affiliation(s)
- E Foglia
- King's College London, Institute of Psychiatry, Psychology & Neuroscience,London,UK
| | - T Schoeler
- King's College London, Institute of Psychiatry, Psychology & Neuroscience,London,UK
| | - E Klamerus
- King's College London, Institute of Psychiatry, Psychology & Neuroscience,London,UK
| | - K Morgan
- University of Westminster,London,UK
| | - S Bhattacharyya
- King's College London, Institute of Psychiatry, Psychology & Neuroscience,London,UK
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27
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Krishnan A, Morgan K, Phillips J, Wong G, Lim W. A randomised controlled trial evaluating everolimus compared to cyclosporine on left ventricular mass index and arterial stiffness after kidney transplantation. Intern Med J 2017. [DOI: 10.1111/imj.4_13457] [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: 11/30/2022]
Affiliation(s)
- A Krishnan
- Department of Nephrology; Sir Charles Gairdner Hospital; Perth Western Australia Australia
| | - K Morgan
- Department of Nephrology; Sir Charles Gairdner Hospital; Perth Western Australia Australia
| | - J Phillips
- Department of Nephrology; Sir Charles Gairdner Hospital; Perth Western Australia Australia
| | - G Wong
- Centre for Transplant and Renal Research; Westmead Hospital; Sydney New South Wales Australia
| | - W Lim
- Department of Nephrology; Sir Charles Gairdner Hospital; Perth Western Australia Australia
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28
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29
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Gupta L, Morgan K, Gilchrist S. 0333 BETWEEN SPORT DIFFERENCES IN SLEEP QUALITY AND INSOMNIA SYMPTOMATOLOGY: A NATIONAL SURVEY OF ELITE BRITISH ATHLETES. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.332] [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: 11/12/2022] Open
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30
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Morgan K, Hartescu I. 0328 WORK HOURS, SLEEP DURATION, AND INSOMNIA SYMPTOMS IN DEVELOPED AND EMERGING ECONOMIES. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.327] [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: 11/13/2022] Open
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31
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Hartescu I, Morgan K. 0320 IS THE RELATIONSHIP BETWEEN REGULAR PHYSICAL ACTIVITY AND SUPERIOR SLEEP QUALITY INTERNATIONALLY ROBUST. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.319] [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: 11/14/2022] Open
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32
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Bidola P, Morgan K, Willner M, Fehringer A, Allner S, Prade F, Pfeiffer F, Achterhold K. Application of sensitive, high-resolution imaging at a commercial lab-based X-ray micro-CT system using propagation-based phase retrieval. J Microsc 2017; 266:211-220. [PMID: 28181677 DOI: 10.1111/jmi.12530] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 01/09/2017] [Accepted: 01/14/2017] [Indexed: 01/13/2023]
Abstract
Several dedicated commercial lab-based micro-computed tomography (μCT) systems exist, which provide high-resolution images of samples, with the capability to also deliver in-line phase contrast. X-ray phase contrast is particularly beneficial when visualizing very small features and weakly absorbing samples. The raw measured projections will include both phase and absorption effects. Extending our previous work that addressed the optimization of experimental conditions at the commercial ZEISS Xradia 500 Versa system, single-distance phase-contrast imaging is demonstrated on complex biological and material samples. From data captured at this system, we demonstrate extraction of the phase signal or the correction of the mixed image for the phase shift, and show how this procedure increases the contrast and removes artefacts. These high-quality images, measured without the use of a synchrotron X-ray source, demonstrate that highly sensitive, micrometre-resolution imaging of 3D volumes is widely accessible using commercially advanced laboratory devices.
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Affiliation(s)
- P Bidola
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany
| | - K Morgan
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany.,School of Physics and Astronomy, Monash University, Victoria, Australia
| | - M Willner
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany.,MITOS GmbH, Garching, Germany
| | - A Fehringer
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany
| | - S Allner
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany
| | - F Prade
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany
| | - F Pfeiffer
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany.,Institute for Advanced Study, Technical University of Munich, Garching, Germany.,Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar, Technical University of Munich, 81675, München, Germany
| | - K Achterhold
- Chair of Biomedical Physics, Department of Physics & Munich School of Bioengineering, Technical University of Munich, Garching, Germany
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33
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Morgan K, Maguire N, Fushimi R, Gleaves JT, Goguet A, Harold MP, Kondratenko EV, Menon U, Schuurman Y, Yablonsky GS. Forty years of temporal analysis of products. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00678k] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A detailed understanding of reaction mechanisms and kinetics is required in order to develop and optimize catalysts and catalytic processes. Temporal analysis of products (TAP) is an instrument capable of providing such understanding.
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Affiliation(s)
- K. Morgan
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast BT9 5AG
- UK
| | - N. Maguire
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast BT9 5AG
- UK
| | | | - J. T. Gleaves
- Department of Energy, Environmental and Chemical Engineering
- Washington University
- St Louis
- USA
| | - A. Goguet
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast BT9 5AG
- UK
| | - M. P. Harold
- Department of Chemical and Biomolecular Engineering
- University of Houston
- Houston
- USA
| | - E. V. Kondratenko
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- Rostock
- Germany
| | - U. Menon
- Department of Chemical and Biomolecular Engineering
- University of Houston
- Houston
- USA
| | - Y. Schuurman
- IRCELYON
- Université Claude Bernard Lyon 1
- Villeurbanne Cédex
- France
| | - G. S. Yablonsky
- Parks College of Engineering, Aviation and Technology
- Saint Louis University
- Saint Louis
- USA
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34
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Fox CH, O'Hara PD, Bertazzon S, Morgan K, Underwood FE, Paquet PC. A preliminary spatial assessment of risk: Marine birds and chronic oil pollution on Canada's Pacific coast. Sci Total Environ 2016; 573:799-809. [PMID: 27592467 DOI: 10.1016/j.scitotenv.2016.08.145] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/19/2016] [Accepted: 08/19/2016] [Indexed: 06/06/2023]
Abstract
Chronic oil pollution poses substantial risks to marine birds and other marine wildlife worldwide. On Canada's Pacific coast, the negative ecological consequences to marine birds and marine ecosystems in general remain poorly understood. Using information relating to oil spill probability of occurrence, areas of overall importance to marine birds, and the at-sea distribution and density of 12 marine bird species and seven bird groups, including multiple Species at Risk, we undertook a spatial assessment of risk. Our results identify two main areas important to marine birds potentially at higher risk of exposure to oil. For individual bird species or species groups, those predicted to have elevated bird densities near the mainland and the northeast coast of Vancouver Island were identified as being at higher potential risk of exposure. Our results, however, should be considered preliminary. As with other anthropogenic stressors, in order to better understand and subsequently mitigate the consequences of chronic oil pollution on marine birds, improved information relating to marine birds and the occurrence of oil spills on Canada's Pacific coast is needed.
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Affiliation(s)
- C H Fox
- Department of Oceanography, Dalhousie University, Halifax, NS B3H 4R2, Canada; Department of Geography, University of Victoria, Victoria, BC V8W 2Y2, Canada; Raincoast Conservation Foundation, Sidney, BC V8L 3Y3, Canada.
| | - P D O'Hara
- Department of Geography, University of Victoria, Victoria, BC V8W 2Y2, Canada; Environment and Climate Change Canada, Sidney, BC V8L 4B2, Canada
| | - S Bertazzon
- Department of Geography, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - K Morgan
- Environment and Climate Change Canada, Sidney, BC V8L 4B2, Canada
| | - F E Underwood
- Department of Geography, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - P C Paquet
- Department of Geography, University of Victoria, Victoria, BC V8W 2Y2, Canada; Raincoast Conservation Foundation, Sidney, BC V8L 3Y3, Canada
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35
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Abstract
Marjolin's ulcer is a rare and aggressive cutaneous malignancy arising from previously traumatized skin, most commonly at the site of previous burns. We present a unique case of Marjolin's ulceration secondary to an orthopedic injury and a nonburn history of trauma. The patient had been involved in a motorcycle accident >20 years earlier. For 17 months, the patient had refused to acknowledge the severity of his disease state. He had refused the standard of care and opted for local wound care only until a minor fall caused a pathologic fracture, leading to an above the knee amputation. Road traffic incidents remain an uncommon cause of subsequent Marjolin's transformation in developed countries. As such, we present the case of a patient with a unique combination of a continued lack of compliance after diagnosis and the unusual cause of his initial trauma.
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Affiliation(s)
- Kaitlyn Bernhard
- Second Year Resident, Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Kenneth Morgan
- Attending Staff, Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Dustin Kruse
- Director of Research, Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO
| | - Paul A Stone
- Program Director, Highlands-Presbyterian/St. Luke's Podiatric Medicine and Surgery Residency Program, Denver, CO.
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36
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O’ Halloran L, McAdam B, Morgan K, Lewis C, Farrell D, Doherty S, Burke S, McGee H. Readmission rates among cardiology inpatients with echocardiography abnormalities associated with heart failure. Ir J Med Sci 2016; 185:717-722. [DOI: 10.1007/s11845-015-1353-y] [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] [Received: 05/23/2015] [Accepted: 08/30/2015] [Indexed: 11/25/2022]
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37
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38
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Abstract
A new diffusion model for random genetic drift of a two-locus di-allelic system is proposed. The Christoffel velocity field and the intrinsic geometry of the diffusion is computed for the equilibrium surface. It is seen to be radically non-spherical and to depend explicitly on the recombination fraction. The model has not been shown to be a limit of discrete Markov chains. For large values of the recombination, the present model is radically different from that of Ohta and Kimura, which is an approximation to the discrete process of random mating in the limit as the value of the recombination fraction goes to zero.
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39
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Abstract
It has been conjectured that a certain transformation of gene frequency space due to Fisher and Bhattacharyya will map the random genetic drift process, or its diffusion approximation, into one with radial symmetry. This paper proves rigorously that the Fisher–Bhattacharyya mapping does not do this. This implies that the initial state of an evolving ensemble can only be unbiasedly estimated from the means of a sample if we weight by the proper divergence times. If the ensemble is known not to have begun at the centroid of frequency space, the estimate of the initial state vector is not simply the arithmetic average, as symmetry analysis of the Christoffel velocity field shows.
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40
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Hallingberg B, Fletcher A, Murphy S, Morgan K, Littlecott HJ, Roberts C, Moore GF. Do stronger school smoking policies make a difference? Analysis of the health behaviour in school-aged children survey. Eur J Public Health 2016; 26:964-968. [PMID: 27335332 PMCID: PMC5172489 DOI: 10.1093/eurpub/ckw093] [Citation(s) in RCA: 8] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background: Associations of the strength of school smoking policies with
cigarette, e-cigarette and cannabis use in Wales were examined. Methods:
Nationally representative cross-sectional survey of pupils aged 11–16 years
(N=7376) in Wales. Senior management team members from 67
schools completed questionnaires about school smoking policies, substance use
education and tobacco cessation initiatives. Multi-level, logistic regression
analyses investigated self-reported cigarette, e-cigarette and cannabis use, for all
students and those aged 15–16 years. Results: Prevalence of
current smoking, e-cigarette use and cannabis use in the past month were 5.3%,
11.5% and 2.9%, respectively. Of schools that provided details about
smoking policies (66/67), 39.4% were strong (written policy applied to
everyone in all locations), 43.9% were moderate (written policy not applied to
everyone in all locations) and 16.7% had no written policy. There was no
evidence of an association of school smoking policies with pupils’ tobacco or
e-cigarette use. However, students from schools with a moderate policy [OR =
0.47; 95% (confidence interval) CI: 0.26–0.84] were less likely to have
used cannabis in the past month compared to schools with no written policy. This
trend was stronger for students aged 15–16 years (moderate policy: OR =
0.42; 95% CI: 0.22–0.80; strong policy: OR = 0.45; 95% CI:
0.23–0.87). Conclusions: School smoking policies may exert less
influence on young people’s smoking behaviours than they did during times of
higher adolescent smoking prevalence. Longitudinal studies are needed to examine the
potential influence of school smoking policies on cannabis use and mechanisms
explaining this association.
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Affiliation(s)
- B Hallingberg
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
| | - A Fletcher
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
| | - S Murphy
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
| | - K Morgan
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
| | - H J Littlecott
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
| | - C Roberts
- Social Research and Information Division, Cathays Park, Cardiff, United Kingdom
| | - G F Moore
- Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement, School of Social Sciences, Cardiff University, Cardiff, United Kingdom
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41
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Yeung W, Morgan K, McKenna F. THU0548 Sleep Architecture and Clinical Parameters in fibromyalgia and Osteoarthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4289] [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: 11/04/2022]
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42
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Gansen A, Hachemi ME, Belouettar S, Hassan O, Morgan K. EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes. Comput Mech 2016; 58:441-455. [PMID: 32355385 PMCID: PMC7175668 DOI: 10.1007/s00466-016-1295-x] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 04/17/2016] [Indexed: 06/11/2023]
Abstract
The standard Yee algorithm is widely used in computational electromagnetics because of its simplicity and divergence free nature. A generalization of the classical Yee scheme to 3D unstructured meshes is adopted, based on the use of a Delaunay primal mesh and its high quality Voronoi dual. This allows the problem of accuracy losses, which are normally associated with the use of the standard Yee scheme and a staircased representation of curved material interfaces, to be circumvented. The 3D dual mesh leapfrog-scheme which is presented has the ability to model both electric and magnetic anisotropic lossy materials. This approach enables the modelling of problems, of current practical interest, involving structured composites and metamaterials.
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Affiliation(s)
- A. Gansen
- Luxembourg Institute of Science and Technology (LIST), 5, avenue des Hauts–Fourneaux, 4362 Esch/Alzette, Luxembourg
| | - M. El Hachemi
- Luxembourg Institute of Science and Technology (LIST), 5, avenue des Hauts–Fourneaux, 4362 Esch/Alzette, Luxembourg
| | - S. Belouettar
- Luxembourg Institute of Science and Technology (LIST), 5, avenue des Hauts–Fourneaux, 4362 Esch/Alzette, Luxembourg
| | - O. Hassan
- College of Engineering, Swansea University, Bay Campus, Swansea, SA1 8EN UK
| | - K. Morgan
- College of Engineering, Swansea University, Bay Campus, Swansea, SA1 8EN UK
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Gray BJ, Bracken RM, Turner D, Long SJ, Thomas M, Williams SP, Davies CA, Morgan K, Williams M, Rice S, Stephens JW. A workplace-based risk assessment improves predicted lifetime cardiovascular disease risk in male steelworkers. Public Health 2016; 138:160-3. [PMID: 27132069 DOI: 10.1016/j.puhe.2016.03.023] [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] [Received: 09/09/2015] [Revised: 03/24/2016] [Accepted: 03/24/2016] [Indexed: 11/29/2022]
Affiliation(s)
- B J Gray
- Policy, Research and International Development, Public Health Wales, Cardiff, UK.
| | - R M Bracken
- Diabetes Research Group, College of Medicine, Swansea University, Singleton Park, Swansea, UK; Applied Sports Technology Exercise and Medicine (A-STEM) Research Centre, College of Engineering, Swansea University (Bay Campus), Swansea, UK
| | - D Turner
- RedBull North America, Santa Monica, CA, USA
| | - S J Long
- Policy, Research and International Development, Public Health Wales, Cardiff, UK
| | - M Thomas
- Public Health Wales, Carmarthen, Carmarthenshire, UK
| | - S P Williams
- TATA Steel Packaging Recycling, Trostre, Llanelli, Carmarthenshire, UK
| | - C A Davies
- TATA Steel Packaging Recycling, Trostre, Llanelli, Carmarthenshire, UK
| | - K Morgan
- Hywel Dda Health Board, Prince Philip Hospital, Llanelli, Carmarthenshire, UK
| | - M Williams
- Hywel Dda Health Board, Prince Philip Hospital, Llanelli, Carmarthenshire, UK
| | - S Rice
- Hywel Dda Health Board, Prince Philip Hospital, Llanelli, Carmarthenshire, UK
| | - J W Stephens
- Diabetes Research Group, College of Medicine, Swansea University, Singleton Park, Swansea, UK
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Morgan K, Kjellberg L, Karlsson Budde L, Kjell E, Ryman M. Pilot study on work load management and feed intake time when feeding horses with small mesh haynets. Livest Sci 2016. [DOI: 10.1016/j.livsci.2015.06.005] [Citation(s) in RCA: 8] [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] [Indexed: 11/30/2022]
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Keegan R, Edwards L, Jones A, Morgan K, Bryant A. Physical literacy development in Australian youth: A current concern. J Sci Med Sport 2015. [DOI: 10.1016/j.jsams.2015.12.152] [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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Okeke J, Subhan Z, Twine C, Edwards T, Morgan K, Singh I. 41THE IMPACT OF A SYSTEMATIC NURSE TRAINING PROGRAMME ON FALLS RISK ASSESSMENT AND FALLS INCIDENCE: A STUDY BASED IN A 100% SINGLE-ROOM ELDERLY CARE ENVIRONMENT:. Age Ageing 2015. [DOI: 10.1093/ageing/afv106.41] [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: 11/12/2022] Open
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Morgan K, Daniel M, Conley J, Shean M, Wyman-Chick K, Andersen S. C-76The Relationship between Validity Indicators of the Personality Assessment Inventory and the Word Memory Test. Arch Clin Neuropsychol 2015. [DOI: 10.1093/arclin/acv047.278] [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: 11/14/2022] Open
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48
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Womack G, Nestleroad M, DellaValle D, Martin K, Owczarski S, Shuford E, Morgan K, Adams D. Vitamin D Deficiency in Patients after Total Pancreatectomy and Islet Auto-Transplantation: Effects on Quality of Life. J Acad Nutr Diet 2015. [DOI: 10.1016/j.jand.2015.06.085] [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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49
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Goldsworthy S, Roe B, McGrail S, Latour J, Morgan K. PO-0793: Developing and implementing a radiotherapy research activity assessment tool. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)40785-6] [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: 11/26/2022]
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50
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Geletu Z, Cunningham M, Magalona S, Morgan K. Determinants of healthcare seeking for childhood illnesses and
vaccination in urban Ethiopia. Ann Glob Health 2015. [DOI: 10.1016/j.aogh.2015.02.755] [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: 10/23/2022] Open
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