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Waddell C, Meehan A, Schoonveld M, Kaplan Z, Bien M, Bailey C, Mosites E, Hagan LM. Lessons Learned from COVID-19 Response in Correctional and Detention Facilities. Emerg Infect Dis 2024; 30:S5-S12. [PMID: 38561631 PMCID: PMC10986833 DOI: 10.3201/eid3013.230776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024] Open
Abstract
The COVID-19 pandemic disproportionately affected persons held in and working in correctional and detention facilities, causing facilities' traditional priorities to shift when healthcare and public health needs temporarily drove many aspects of operations. During July-August 2022, we interviewed members of health departments and criminal justice organizations to document lessons learned from the COVID-19 response in correctional settings. Participants valued enhanced partnerships, flexibility, and innovation, as well as real-time data and corrections-specific public health guidance. Challenges included cross-sector collaborations, population density, scarcity of equipment and supplies, and mental health. Most participants reported improved relationships between criminal justice and public health organizations during the pandemic. Lessons from COVID-19 can be applied to everyday public health preparedness and emergency response in correctional facilities by ensuring representation of correctional health in public health strategy and practice and providing timely, data-driven, and partner-informed guidance tailored to correctional environments when public health needs arise.
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Freeman K, Mansbridge A, Stobart H, Clements K, Wallis MG, Pinder SE, Kearins O, Shaaban AM, Kirwan CC, Wilkinson LS, Webb S, O'Sullivan E, Jenkins J, Wright S, Taylor K, Bailey C, Holcombe C, Wyld L, Edwards K, Jenkinson DJ, Sharma N, Provenzano E, Hilton B, Stallard N, Thompson AM, Taylor-Phillips S. Evidence-informed recommendations on managing breast screening atypia: perspectives from an expert panel consensus meeting reviewing results from the Sloane atypia project. Br J Radiol 2024; 97:324-330. [PMID: 38265306 DOI: 10.1093/bjr/tqad053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/27/2023] [Accepted: 12/13/2023] [Indexed: 01/25/2024] Open
Abstract
Evidence-based clinical guidelines are essential to maximize patient benefit and to reduce clinical uncertainty and inconsistency in clinical practice. Gaps in the evidence base can be addressed by data acquired in routine practice. At present, there is no international consensus on management of women diagnosed with atypical lesions in breast screening programmes. Here, we describe how routine NHS breast screening data collected by the Sloane atypia project was used to inform a management pathway that maximizes early detection of cancer and minimizes over-investigation of lesions with uncertain malignant potential. A half-day consensus meeting with 11 clinical experts, 1 representative from Independent Cancer Patients' Voice, 6 representatives from NHS England (NHSE) including from Commissioning, and 2 researchers was held to facilitate discussions of findings from an analysis of the Sloane atypia project. Key considerations of the expert group in terms of the management of women with screen detected atypia were: (1) frequency and purpose of follow-up; (2) communication to patients; (3) generalizability of study results; and (4) workforce challenges. The group concurred that the new evidence does not support annual surveillance mammography for women with atypia, irrespective of type of lesion, or woman's age. Continued data collection is paramount to monitor and audit the change in recommendations.
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Affiliation(s)
- Karoline Freeman
- Warwick Screening, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Alice Mansbridge
- Warwick Screening, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Hilary Stobart
- Independent Cancer Patients' Voice, London, EC1R 0LL, United Kingdom
| | - Karen Clements
- Screening Quality Assurance Service, NHS England, Birmingham, B2 4BH, United Kingdom
| | - Matthew G Wallis
- Cambridge Breast Unit and NIHR Cambridge Biomedical Research Centre, Cambridge University Hospitals NHS Trust, Cambridge CB2 0QQ, United Kingdom
| | - Sarah E Pinder
- School of Cancer & Pharmaceutical Sciences, King's College London, Comprehensive Cancer Centre at Guy's Hospital, King's College London, London SE1 9RT, United Kingdom
| | - Olive Kearins
- Screening Quality Assurance Service, NHS England, Birmingham, B2 4BH, United Kingdom
| | - Abeer M Shaaban
- Breast Unit, Queen Elizabeth Hospital Birmingham and University of Birmingham, Edgbaston, Birmingham B15 2GW, United Kingdom
| | - Cliona C Kirwan
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4BX, United Kingdom
| | - Louise S Wilkinson
- Oxford Breast Imaging Service, Churchill Hospital, Oxford OX3 7LE, United Kingdom
| | - Sharon Webb
- Public Health Commissioning and Operations, Directorate of the Chief Operating Officer, NHS England, London, SE1 8UG, United Kingdom
| | - Emma O'Sullivan
- Public Health Commissioning and Operations, Directorate of the Chief Operating Officer, NHS England, London, SE1 8UG, United Kingdom
| | - Jacquie Jenkins
- Public Health Commissioning and Operations, Directorate of the Chief Operating Officer, NHS England, London, SE1 8UG, United Kingdom
| | - Suzanne Wright
- Public Health Commissioning and Operations, Directorate of the Chief Operating Officer, NHS England, London, SE1 8UG, United Kingdom
| | - Kathryn Taylor
- Cambridge Breast Unit and NIHR Cambridge Biomedical Research Centre, Cambridge University Hospitals NHS Trust, Cambridge CB2 0QQ, United Kingdom
| | - Claire Bailey
- SW London Breast Screening Service, St George's University Hospitals NHS Foundation Trust, London, SW17 0QT, United Kingdom
| | - Chris Holcombe
- Association of Breast Surgery, Royal College of Surgeons of England, London WC2A 3PE, United Kingdom
| | - Lynda Wyld
- Department of Oncology and Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
| | - Kim Edwards
- Breast Test Wales, Public Health Wales, Llandudno LL30 1QY, United Kingdom
| | - David J Jenkinson
- Warwick Screening, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Nisha Sharma
- Breast Screening Unit, Seacroft Hospital, Leeds LS14 6UH, United Kingdom
| | - Elena Provenzano
- Histopathology and NIHR Cambridge Biomedical Research Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Bridget Hilton
- Screening Quality Assurance Service, NHS England, Birmingham, B2 4BH, United Kingdom
| | - Nigel Stallard
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Alastair M Thompson
- Department of Surgical Oncology, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77005, United States
| | - Sian Taylor-Phillips
- Warwick Screening, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV4 7AL, United Kingdom
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Labella MH, Klein ND, Yeboah G, Bailey C, Doane AN, Kaminer D, Bravo AJ. Childhood bullying victimization, emotion regulation, rumination, distress tolerance, and depressive symptoms: A cross-national examination among young adults in seven countries. Aggress Behav 2024; 50:e22111. [PMID: 37682733 DOI: 10.1002/ab.22111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 08/10/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023]
Abstract
Existing research suggests a robust association between childhood bullying victimization and depressive symptoms in adulthood, but less is known about potential mediators of this link. Furthermore, there is limited cross-national research evaluating similarities and differences in bullying victimization and its associations with mental health. The current study addressed gaps in the literature by evaluating cognitive and affective responses to stress (i.e., emotion regulation, rumination, and distress tolerance) as potential mediators of the link between recalled bullying victimization and current depressive symptoms among 5909 (70.6% female) college students from seven countries. Results revealed specific indirect associations of bullying victimization through distress tolerance and three out of four facets of rumination, as well as a persistent direct association of childhood bullying on adulthood depression. Emotion regulation strategies were not significantly associated with bullying victimization and did not mediate its association with depressive symptoms. Constrained multigroup models indicated that results were invariant across country and gender. Findings provide evidence of statistical mediation in a cross-sectional sample and await replication in prospective studies. Rumination and distress tolerance may be promising targets for resilience-promoting interventions among children experiencing peer victimization. Ongoing research is needed to clarify cross-national patterns in childhood bullying, identify additional mediators accounting for the remaining direct association, and evaluate emotion regulation as a potential moderator of associations between bullying victimization and adult mental health.
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Affiliation(s)
- Madelyn H Labella
- Department of Psychological Sciences, William & Mary, Williamsburg, Virginia, USA
| | - Neelamberi D Klein
- Department of Psychological Sciences, William & Mary, Williamsburg, Virginia, USA
| | - Georgina Yeboah
- Department of Psychological Sciences, William & Mary, Williamsburg, Virginia, USA
| | - Claire Bailey
- Department of Psychological Sciences, William & Mary, Williamsburg, Virginia, USA
| | - Ashley N Doane
- Department of Psychology, Old Dominion University, Norfolk, Virginia, USA
| | - Debra Kaminer
- Department of Psychology, University of Cape Town, Cape Town, South Africa
| | - Adrian J Bravo
- Department of Psychological Sciences, William & Mary, Williamsburg, Virginia, USA
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Medeiros PB, Bailey C, Pollock D, Liley H, Gordon A, Andrews C, Flenady V. Neonatal near-miss audits: a systematic review and a call to action. BMC Pediatr 2023; 23:573. [PMID: 37978460 PMCID: PMC10655277 DOI: 10.1186/s12887-023-04383-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/24/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Neonatal near-miss (NNM) can be considered as an end of a spectrum that includes stillbirths and neonatal deaths. Clinical audits of NNM might reduce perinatal adverse outcomes. The aim of this review is to evaluate the effectiveness of NNM audits for reducing perinatal mortality and morbidity and explore related contextual factors. METHODS PubMed, Embase, Scopus, CINAHL, LILACS and SciELO were searched in February/2023. Randomized and observational studies of NNM clinical audits were included without restrictions on setting, publication date or language. PRIMARY OUTCOMES perinatal mortality, morbidity and NNM. SECONDARY OUTCOMES factors contributing to NNM and measures of quality of care. Study characteristics, methodological quality and outcome were extracted and assessed by two independent reviewers. Narrative synthesis was performed. RESULTS Of 3081 titles and abstracts screened, 36 articles had full-text review. Two studies identified, rated, and classified contributing care factors and generated recommendations to improve the quality of care. No study reported the primary outcomes for the review (change in perinatal mortality, morbidity and NNM rates resulting from an audit process), thus precluding meta-analysis. Three studies were multidisciplinary NNM audits and were assessed for additional contextual factors. CONCLUSION There was little data available to determine the effectiveness of clinical audits of NNM. While trials randomised at patient level to test our research question would be difficult or unethical for both NNM and perinatal death audits, other strategies such as large, well-designed before-and-after studies within services or comparisons between services could contribute evidence. This review supports a Call to Action for NNM audits. Adoption of formal audit methodology, standardised NNM definitions, evaluation of parent's engagement and measurement of the effectiveness of quality improvement cycles for improving outcomes are needed.
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Affiliation(s)
- P B Medeiros
- Centre of Research Excellence in Stillbirth, Mater Research Institute, The University of Queensland, Brisbane, QLD, Australia.
- Sunshine Coast University Hospital, Sunshine Coast, QLD, Australia.
| | - C Bailey
- Centre of Research Excellence in Stillbirth, Mater Research Institute, The University of Queensland, Brisbane, QLD, Australia
| | - D Pollock
- JBI, School of Public Health, University of Adelaide, Adelaide, SA, Australia
| | - H Liley
- Mater Research, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - A Gordon
- Centre of Research Excellence in Stillbirth, Mater Research Institute, The University of Queensland, Brisbane, QLD, Australia
- University of Sydney, Sydney, NSW, Australia
| | - C Andrews
- Centre of Research Excellence in Stillbirth, Mater Research Institute, The University of Queensland, Brisbane, QLD, Australia
| | - V Flenady
- Centre of Research Excellence in Stillbirth, Mater Research Institute, The University of Queensland, Brisbane, QLD, Australia
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Baumer V, Gunn E, Riegle V, Bailey C, Shonkwiler C, Prawel D. Robocasting of Ceramic Fischer-Koch S Scaffolds for Bone Tissue Engineering. J Funct Biomater 2023; 14:jfb14050251. [PMID: 37233361 DOI: 10.3390/jfb14050251] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Triply Periodic Minimal Surfaces (TPMS) are promising structures for bone tissue engineering scaffolds due to their relatively high mechanical energy absorption, smoothly interconnected porous structure, scalable unit cell topology, and relatively high surface area per volume. Calcium phosphate-based materials, such as hydroxyapatite and tricalcium phosphate, are very popular scaffold biomaterials due to their biocompatibility, bioactivity, compositional similarities to bone mineral, non-immunogenicity, and tunable biodegradation. Their brittle nature can be partially mitigated by 3D printing them in TPMS topologies such as gyroids, which are widely studied for bone regeneration, as evidenced by their presence in popular 3D-printing slicers, modeling systems, and topology optimization tools. Although structural and flow simulations have predicted promising properties of other TPMS scaffolds, such as Fischer-Koch S (FKS), to the best of our knowledge, no one has explored these possibilities for bone regeneration in the laboratory. One reason for this is that fabrication of the FKS scaffolds, such as by 3D printing, is challenged by a lack of algorithms to model and slice this topology for use by low-cost biomaterial printers. This paper presents an open-source software algorithm that we developed to create 3D-printable FKS and gyroid scaffold cubes, with a framework that can accept any continuous differentiable implicit function. We also report on our successful 3D printing of hydroxyapatite FKS scaffolds using a low-cost method that combines robocasting with layer-wise photopolymerization. Dimensional accuracy, internal microstructure, and porosity characteristics are also presented, demonstrating promising potential for the 3D printing of TPMS ceramic scaffolds for bone regeneration.
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Affiliation(s)
- Vail Baumer
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Erin Gunn
- Department of Computer Science, Colorado State University, Fort Collins, CO 80523, USA
| | - Valerie Riegle
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Claire Bailey
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Clayton Shonkwiler
- Department of Mathematics, Colorado State University, Fort Collins, CO 80523, USA
| | - David Prawel
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA
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Beswick A, Brookes J, Rosa I, Bailey C, Beynon C, Stagg S, Bennett N. Room-Based Assessment of Mobile Air Cleaning Devices Using a Bioaerosol Challenge. Appl Biosaf 2023; 28:1-10. [PMID: 36895580 PMCID: PMC9991428 DOI: 10.1089/apb.2022.0028] [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] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Introduction The widespread transmission of the SARS-CoV-2 virus has increased scientific and societal interest in air cleaning technologies, and their potential to mitigate the airborne spread of microorganisms. Here we evaluate room scale use of five mobile air cleaning devices. Methods A selection of air cleaners, containing high efficiency filtration, was tested using an airborne bacteriophage challenge. Assessments of bioaerosol removal efficacy were undertaken using a decay measurement approach over 3 h, with air cleaner performance compared with bioaerosol decay rate without an air cleaner in the sealed test room. Evidence of chemical by-product emission was also checked, as were total particle counts. Results Bioaerosol reduction, exceeding natural decay, was observed for all air cleaners. Reductions ranged between devices from <2-log per m3 room air for the least effective, to a >5-log reduction for the most efficacious systems. One system generated detectable ozone within the sealed test room, but ozone was undetectable when the system was run in a normally ventilated room. Total particulate air removal trends aligned with measured airborne bacteriophage decline. Discussion Air cleaner performance differed, and this could relate to individual air cleaner flow specifications as well as test room conditions, such as air mixing during testing. However, measurable reductions in bioaerosols, beyond natural airborne decay rate, were observed. Conclusion Under the described test conditions, air cleaners containing high efficiency filtration significantly reduced bioaerosol levels. The best performing air cleaners could be investigated further with improved assay sensitivity, to enable measurement of lower residual levels of bioaerosols.
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Affiliation(s)
- Alan Beswick
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
| | - Jodi Brookes
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
| | - Iwona Rosa
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
| | - Claire Bailey
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
| | | | - Stephen Stagg
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
| | - Neil Bennett
- Health and Safety Executive Science and Research Centre, Buxton, United Kingdom
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Uetsu Y, Houston D, Bailey C, Kilpatrick S. Association of the origin of contamination and species of microorganisms with short-term survival in dogs with septic peritonitis. Aust Vet J 2023; 101:83-89. [PMID: 36424833 DOI: 10.1111/avj.13220] [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] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 08/25/2022] [Accepted: 11/04/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To assess the association between anatomical location of contamination and mortality in dogs with gastrointestinal and biliary origin of septic peritonitis. METHODS Medical records at two private referral hospitals between 2003 and 2020 were retrospectively reviewed. Cases were included if the origin of contamination was confirmed intraoperatively within the gastrointestinal or biliary tract. Cases were excluded if the dog died or was euthanized intraoperatively or where the data regarding the origin of contamination were not available. The association of anatomical origin with survival was assessed specifying the locations as stomach, small intestine, large intestine and biliary tract. The gastrointestinal tract origin was further subdivided into pylorus, nonpylorus, duodenum, jejunum, ileum, caecum and colon. RESULTS The overall survival rate was 75.9% (n = 44/58). There were no significant differences in survival among different anatomical origins of contaminations before or after subdivision (P = 0.349 and 0.832, respectively). Also, there was no association between isolated microorganism species in microbiological culture and the anatomical origin (P = 0.951) and the microorganism species was not associated with survival (P = 0.674). CONCLUSIONS There was no association between anatomical location of leakage, microorganism species and survival although further studies are warranted to analyse the relationships between anatomical leakage site and microorganism species as well as microorganism species and mortality.
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Affiliation(s)
- Y Uetsu
- North Shore Veterinary, Specialist & Emergency Centre, Artarmon, New South Wales, Australia
| | - D Houston
- Small Animal Specialist Hospital, Prospect, New South Wales, Australia
| | - C Bailey
- North Shore Veterinary, Specialist & Emergency Centre, Artarmon, New South Wales, Australia
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Crook B, Bailey C, Sykes A, Hoyle MC, Evans C, Poller B, Makison-Booth C, Pocock D, Tuudah C, Athan B, Hall S. Validation of personal protective equipment ensembles, incorporating powered air-purifying respirators protected from contamination, for the care of patients with high-consequence infectious diseases. J Hosp Infect 2023; 134:71-79. [PMID: 36716796 DOI: 10.1016/j.jhin.2023.01.005] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 02/01/2023]
Abstract
BACKGROUND The UK High-Consequence Infectious Diseases (HCID) Network of high-level isolation units provides care for patients with contact- or airborne-transmissible highly infectious and highly dangerous diseases. In most HCID units, the healthcare workers (HCWs) wear personal protective equipment (PPE) ensembles incorporating a powered air-purifying respirator (PAPR) for head and respiratory protection. Some PAPRs have components worn outside/over other PPE, necessitating decontamination of re-usable elements. Two alternative PAPRs, with all re-usable elements worn under PPE, were trialled in this study. AIM To undertake scenario-based testing of PAPRs and PPE to determine usability, comfort and ability to remove contaminated PPE without personal cross-contamination. METHODS Trained healthcare volunteers (N=20) wearing PAPR/PPE ensembles were sprayed with ultraviolet fluorescent markers. They undertook exercises to mimic patient care, and subsequently, after doffing the contaminated PPE following an established protocol, any personal cross-contamination was visualized under ultraviolet light. Participants also completed a questionnaire to gauge how comfortable they found the PPE. FINDINGS AND CONCLUSIONS The ensembles were tested under extreme 'worst case scenario' conditions, augmented by physical and manual dexterity tests. Participating volunteers considered the exercise to be beneficial in terms of training and PPE evaluation. Data obtained, including feedback from questionnaires and doffing buddy observations, supported evidence-based decisions on the PAPR/PPE ensemble to be adopted by the HCID Network. One cross-contamination event was recorded in the ensemble chosen; this could be attributed to doffing error, and could therefore be eliminated with further practice.
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Affiliation(s)
- B Crook
- Health Capability Group, Science and Research Centre, Health and Safety Executive, Buxton, UK.
| | - C Bailey
- Health Capability Group, Science and Research Centre, Health and Safety Executive, Buxton, UK
| | - A Sykes
- Infection Prevention and Control, Royal Victoria Infirmary, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle, UK
| | - M C Hoyle
- ID/HCID Unit, Royal Liverpool Hospital, Royal Liverpool and Broad Green University Hospitals NHS Trust, Liverpool, UK
| | - C Evans
- Department of Virology, Laboratory Medicine, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - B Poller
- Department of Infection and Tropical Medicine, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK; Royal Infirmary of Edinburgh, NHS Lothian, Edinburgh, UK
| | - C Makison-Booth
- Health Capability Group, Science and Research Centre, Health and Safety Executive, Buxton, UK; World Health Organization, Geneva, Switzerland
| | - D Pocock
- Health Capability Group, Science and Research Centre, Health and Safety Executive, Buxton, UK; Cabinet Office, Kings Court, Sheffield, UK
| | - C Tuudah
- Directorate of Infection, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - B Athan
- High-Level Isolation Unit, Royal Free London NHS Foundation Trust, London, UK
| | - S Hall
- Health Capability Group, Science and Research Centre, Health and Safety Executive, Buxton, UK
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Freitag F, Valverde A, Jensen M, Sanchez A, Gomez D, Bailey C. Comparison of rostral spread of lumbosacral epidural volume calculated by body weight or length of the vertebral column in dogs. Vet Anaesth Analg 2023. [DOI: 10.1016/j.vaa.2022.09.008] [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: 01/19/2023]
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Gallastegui N, Steiner BUK, Aguero P, Bailey C, Kruse-Jarres R, Quon DV, Hanacek C, Volland LM, Barnes RFW, von Drygalski A. The role of point-of-Care Musculoskeletal Ultrasound for Routine Joint evaluation and management in the Hemophilia Clinic - A Real World Experience. BMC Musculoskelet Disord 2022; 23:1111. [PMID: 36539778 PMCID: PMC9768915 DOI: 10.1186/s12891-022-06042-w] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The use of musculoskeletal ultrasound (MSKUS) for point-of-care (POC) evaluation of hemophilic arthropathy is growing rapidly. However, the extent to which MSKUS influences clinical treatment decisions is unknown. METHODS We conducted a three-year, prospective, multi-center study at three hemophilia treatment centers in the United States to evaluate the utilization of POC-MSKUS for routine clinical decision-making in adult persons with hemophilic arthropathy. Bilateral elbows, knees and ankles were assessed clinically [Hemophilia Joint Health Score (HJHS)] and with POC-MSKUS by the Joint TissueActivity and Damage Exam (JADE) protocol at baseline and approximately annually for two additional times. Treatment decisions, including physical therapy (PT) and "medical" (joint injections/aspirations, referrals to orthopedics, changes/adjustments of hemostatic plans, and use of oral anti-inflammatory medications) were recorded in relation to POC-MSKUS. RESULTS Forty-four persons [median age 37 years (IQR 29, 51)], mostly with severe Hemophilia A on clotting factor prophylaxis, completed 129 visits, yielding 792 joint exams by POC-MSKUS and HJHS [median at baseline 27 (IQR 18, 42)] over a median follow up of 584 days (range: 363 to 1072). Among 157 management decisions, 70% were related to PT plans (n = 110) and 30% were "medical". Point-of-care MSKUS influenced 47/110 (43%) PT plans, mostly informing treatment of specific arthropathic joints (45/47 plans) in patients with high HJHS. Physical therapy plans influenced by POC-MSKUS directed more manual therapy/therapeutic exercises, while plans based on physical exam were focused more on global exercises and wellness. Treatment decisions were mostly based on the identification of specific musculoskeletal abnormalities visualized by POC-MSKUS. Of note 20/47 (43%) POC-MSKUS plans included de-escalation strategies, thereby reducing exercise intensity, mostly for joint instability and subclinical hemarthroses. Point-of-care MSKUS also informed 68% (32/47) of "medical" decisions, surprisingly mostly for injections/aspirations and referrals to orthopedics, and not for adjustments of hemostatic treatment. Although not formally studied, ultrasound images were used frequently for patient education. CONCLUSION Routine joint evaluations with POC-MSKUS resulted in few changes regarding medical management decisions but had a profound effect on the formulation of PT plans. Based on these findings, new studies are essential to determine the benefit of MSKUS-informed management plans on joint health outcomes.
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Affiliation(s)
- N Gallastegui
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA ,grid.261331.40000 0001 2285 7943Department of Medicine, Division of Hematology, The Ohio State University, OH Columbus, USA
| | - BUK Steiner
- Washington Center for Bleeding Disorders, WA Seattle, USA
| | - P Aguero
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA
| | - C Bailey
- grid.489149.90000 0004 5900 1331The Orthopaedic Hemophilia Treatment Center, Orthopaedic Institute for Children, Los Angeles California, USA
| | - R Kruse-Jarres
- Washington Center for Bleeding Disorders, WA Seattle, USA
| | - DV Quon
- grid.489149.90000 0004 5900 1331The Orthopaedic Hemophilia Treatment Center, Orthopaedic Institute for Children, Los Angeles California, USA
| | - C Hanacek
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA ,Department of General Medical Education, KPC Health. Hemet, CA, USA 1810 Cannon Drive, Suite 1150E, OH Columbus, USA
| | - LM Volland
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA ,grid.422264.40000 0004 0542 3790National Hemophilia Foundation, NYC NY, USA
| | - RFW Barnes
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA
| | - A von Drygalski
- grid.266100.30000 0001 2107 4242Department of Medicine, Division of Hematology/Oncology, University of California San Diego, CA San Diego, USA
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Hall S, Johnson P, Bailey C, Gould Z, White R, Crook B. Evaluation of Face Shields, Goggles, and Safety Glasses as a Virus Transmission Control Measure to Protect the Wearer Against Cough Droplets. Ann Work Expo Health 2022; 67:36-49. [PMID: 35853621 PMCID: PMC9384474 DOI: 10.1093/annweh/wxac047] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/08/2022] [Accepted: 06/23/2022] [Indexed: 01/14/2023] Open
Abstract
Face shields (also referred to as visors), goggles and safety glasses have been worn during the COVID-19 pandemic as one measure to control transmission of the virus. However, their effectiveness in controlling facial exposure to cough droplets is not well established and standard tests for evaluating eye protection for this application are limited. A method was developed to evaluate face shields, goggles, and safety glasses as a control measure to protect the wearer against cough droplets. The method uses a semi-quantitative assessment of facial droplet deposition. A cough simulator was developed to generate droplets comparable to those from a human cough. The droplets consisted of a UV fluorescent marker (fluorescein) in water. Fourteen face shields, four pairs of goggles and one pair of safety glasses were evaluated by mounting them on two different sizes of breathing manikin head and challenging them with the simulated cough. The manikin head was positioned in seven orientations relative to the cough simulator to represent various potential occupational exposure scenarios, for example, a nurse standing over a patient. Droplet deposition in the eyes, nose and mouth regions were visualised following three 'coughs'. Face shields, goggles, and safety glasses reduced, but did not eliminate exposure to the wearer from droplets such as those produced by a human cough. The level of protection differed based on the design of the personal protective equipment and the relative orientation of the wearer to the cough. For example, face shields, and goggles offered the greatest protection when a cough challenge was face on or from above and the least protection when a cough challenge was from below. Face shields were also evaluated as source control to protect others from the wearer. Results suggested that if a coughing person wears a face shield, it can provide some protection from cough droplets to those standing directly in front of the wearer.
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Affiliation(s)
- Samantha Hall
- Author to whom correspondence should be addressed. Tel: +44-02030282185; e-mail:
| | - Paul Johnson
- Health and Safety Executive Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, UK
| | - Claire Bailey
- Health and Safety Executive Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, UK
| | - Zoe Gould
- Health and Safety Executive Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, UK
| | - Robert White
- Health and Safety Executive Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, UK
| | - Brian Crook
- Health and Safety Executive Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, UK
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12
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Sorensen A, Salas Atwell M, Koroukian S, Bailey C, Briggs F. A-44 Experiences of Adversity and Validity of Baseline Concussion Testing. Arch Clin Neuropsychol 2022. [DOI: 10.1093/arclin/acac32.44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Purpose: This study examined the relationship between individual-level experiences of social adversity and baseline computerized concussion testing validity (Immediate Post-Concussion Assessment and Cognitive Testing; ImPACT). Methods: This study involved 6495 student-athletes born between 1995 and 2005 who completed a baseline ImPACT test between 10 and 18 years old and could be identified in the Child-Household Integrated Longitudinal Data (CHILD) System, a continuously updated integrated and comprehensive data system that captures detailed individual-level demographic, social service usage, and educational outcomes on every child born or living in Cuyahoga County, Ohio from 1989 to present. Multivariable logistic regression models were conducted with experiences of SNAP/TANF enrollment, substantiated abuse or neglect incidents, and extreme neighborhood deprivation occurring in the sensitive developmental periods of early childhood and adolescence as key predictors of baseline test validity. Results: Our findings suggest that social mobility may play an important role in baseline validity. Youth with upward social mobility (poverty or neighborhood deprivation in early childhood only) were not significantly different than youth without such experiences (OR = 0.91, p = 0.74). Youth with persistent adversity across childhood or downward social mobility (poverty or high neighborhood deprivation in adolescence only) had 50–72% lower odds of achieving a valid baseline test (persistent poverty: OR = 0.59, p = 0.05; adolescent poverty only: OR = 0.50, p = 0.004; adolescent neighborhood deprivation only: OR = 0.28, p < 0.0001). Conclusions: These findings suggest certain patterns of social adversity may predispose youth to invalid computerized concussion baseline testing scores, potentially increasing their risk of inaccurate injury management and poor outcomes.
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13
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Bailey C, Stumpf F, Raymond A, Richard H, Kim K, Fang A. Abstract No. 150 Retrospective comparative analysis of inferior vena cava filter retrieval in patients with and without filter strut arterial abutment/penetration. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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14
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Bell SF, Collis RE, Bailey C, James K, John M, Kelly K, Kitchen T, Scarr C, Macgillivray E, Collins PW. Corrigendum to "The incidence, aetiology, and coagulation management of massive postpartum haemorrhage: a two-year national prospective cohort study" [Int J Obstet Anesth 2021;47:102983]. Int J Obstet Anesth 2022; 51:103549. [PMID: 35623997 DOI: 10.1016/j.ijoa.2022.103549] [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] [Indexed: 10/18/2022]
Affiliation(s)
- S F Bell
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK.
| | - R E Collis
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - C Bailey
- Department of Anaesthetics, Intensive Care and Pain Medicine, Betsi Cadwaladr University Health Board, Glan Clwyd Hospital, Bodelwyddan, UK
| | - K James
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - M John
- Department of Emergency Medicine, Aneurin Bevan University Health Board, Newport, UK
| | - K Kelly
- Department of Anaesthetics, Intensive Care and Pain Medicine, Betsi Cadwaladr University Health Board, Glan Clwyd Hospital, Bodelwyddan, UK
| | - T Kitchen
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - C Scarr
- Department of Obstetrics and Gynaecology, Cardiff and Vale University Health Board, Cardiff, UK
| | | | - P W Collins
- Institute of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
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15
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Martel J, Addo K, Kim Y, Hamdan F, Demo H, Bonavita G, Li J, Ahmad S, Shah S, Delurgio D, Bailey C, Shim J. Impact of mapping technology on procedural characteristics during radiofrequency or cryoballoon pulmonary vein isolation for atrial fibrillation. Europace 2022. [DOI: 10.1093/europace/euac053.195] [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: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background/Introduction: Cryoballoon ablation (CBA) is often associated with shorter procedure times along with tradeoffs such as increased fluoroscopy use compared to radiofrequency (RF) ablation of atrial fibrillation (AF), however the impact of mapping technology on these characteristics is not fully understood.
Purpose
To assess the effect of mapping technology on trends in fluoroscopy use and procedure times in AF pulmonary vein isolation (PVI) procedures with an RF or CBA catheter.
Methods
Acute procedure data from 210 de novo AF cases using a 3D mapping system was prospectively collected from 48 centers in eight countries. Choice of technology was left to physician discretion; a PVI only ablation strategy was utilized in all cases. Procedure data such as total procedure and fluoroscopy times from cases using either an RF or CBA catheter with either a grid-style mapping catheter (HD Grid) or circular mapping catheter (CMC) were compared.
Results
Of the 210 cases, RF ablation was used in 103 (49%), and CBA used in 107 (51%). In RF cases, a relatively even split between CMC and HD Grid use was observed (n=46, 45% vs. n=57, 55%), while a CMC was used in 100% of CBA cases (Figure 1). Across all cases, fluoroscopy and procedure times were significantly shorter when HD Grid was used (7.4±26.7 minutes; 108.2±46.3 minutes) compared to a CMC (20.4±17.6 minutes; 133.7±62.7) (p<0.001; p=0.003). A similar trend was also observed in RF cases using HD Grid (7.4±26.7 minutes; 108.2±46.3 minutes) compared to a CMC (17.9±12.3 minutes; 175.1±50.5) (p=0.01; p<0.001). Fluoroscopy times in RF cases with HD Grid (7.4±26.7 minutes) were significantly shorter compared to CBA cases with a CMC (21.5±19.4 minutes) (p<0.001), while procedure times were similar (108.2±46.3 minutes; 116.0±59.2 minutes, p=0.20).
Conclusion(s)
Use of HD Grid resulted in significantly shorter procedure and fluoroscopy times compared to a CMC across all cases, including those using RF ablation. Fluoroscopy times were also significantly shorter in RF cases using HD Grid compared to CBA cases using a CMC, with similar procedure times. These observations suggest that use of HD Grid may better enable safer and more efficient PVI, specifically when employing RF ablation, in addition to safer and equally efficient RF PVI compared to CBA with a CMC. Further study in in a larger, randomized cohort may be necessary.
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Affiliation(s)
- J Martel
- South Miami Hospital, Miami, United States of America
| | - K Addo
- Mount Carmel Health System, Columbus, United States of America
| | - Y Kim
- Korea University, Seoul, Korea (Republic of)
| | - F Hamdan
- Aultman Hospital, Canton, United States of America
| | - H Demo
- Swedish Hospital, Chicago, United States of America
| | - G Bonavita
- Aultman Hospital, Canton, United States of America
| | - J Li
- ProMedica Toledo Hospital, Toledo, United States of America
| | - S Ahmad
- Kettering Medical Center, Dayton, United States of America
| | - S Shah
- Virginia Arrhythmia Consultants, Richmond, United States of America
| | - D Delurgio
- Emory Saint Joseph’s Hospital, Atlanta, United States of America
| | - C Bailey
- Abbott, St. Paul, United States of America
| | - J Shim
- Korea University, Seoul, Korea (Republic of)
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Shah S, Shim J, Martel J, Addo K, Delurgio D, Demo H, Hamdan F, Bonavita G, Li J, Bailey C, Kim Y. Global preferences in mapping technology and its impact on fluoroscopy and procedure times during catheter ablation of atrial fibrillation. Europace 2022. [DOI: 10.1093/europace/euac053.196] [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: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background/Introduction
Choice in mapping technology may play a critical role in reducing fluoroscopy and procedure times during atrial fibrillation (AF) ablation, however this relationship is not well studied.
Purpose
To assess the impact of mapping technology on trends in fluoroscopy use and procedure times in AF ablation procedures.
Methods
Acute procedure data from 525 AF cases was prospectively collected from 68 centers in nine countries. Choice of technology and ablation strategy, including PVI and substrate modification, were left to physician discretion. Procedure data such as total procedure and fluoroscopy times from cases using a grid-style mapping catheter (HD Grid) were compared to those using a circular mapping catheter (CMC).
Results
Of the 525 cases, HD Grid was used in 230 (44%), and CMC was used in 295 (56%). HD Grid was routinely used for both de novo and redo procedures while CMC was used predominantly for de novo procedures (Table 1). Similar procedure times were noted in redo PAF and redo PersAF procedures, while significantly shorter procedure times were observed for the HD Grid group in both de novo PAF and PersAF (113.9±48.8 vs. 125.9±56.3 minutes, p=0.04; and 142.8±53.2 vs. 169.8±52.2 minutes, p=0.001).
Overall fluoroscopy times were significantly shorter using HD Grid compared to a CMC (9.0±19.6 minutes vs. 19.8±16.4 minutes, p<0.001), including significantly shorter fluoroscopy times in de novo PAF, de novo PersAF, and redo PAF (Table 1). There were 155 cases completed without fluoroscopy use; zero fluoroscopy cases accounted for 50% (114/230) and 14% (41/295) of total cases completed with HD Grid and a CMC, respectively (p<0.001).
Conclusion(s)
Use of HD Grid was observed in a significantly higher portion of zero fluoroscopy cases and resulted in significantly shorter procedure and fluoroscopy times in both de novo PAF and de novo PersAF and significantly shorter fluoroscopy times in redo PAF. These observations suggest that use of HD Grid may better enable faster and safer procedures in these specific AF types compared to CMCs, although further analysis in a larger, randomized cohort may be warranted.
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Affiliation(s)
- S Shah
- Virginia Arrhythmia Consultants, Richmond, United States of America
| | - J Shim
- Korea University, Seoul, Korea (Republic of)
| | - J Martel
- South Miami Hospital, Miami, United States of America
| | - K Addo
- Mount Carmel Health System, Columbus, United States of America
| | - D Delurgio
- Emory Saint Joseph’s Hospital, Atlanta, United States of America
| | - H Demo
- Swedish Hospital, Chicago, United States of America
| | - F Hamdan
- Aultman Hospital, Canton, United States of America
| | - G Bonavita
- Aultman Hospital, Canton, United States of America
| | - J Li
- ProMedica Toledo Hospital, Toledo, United States of America
| | - C Bailey
- Abbott, St. Paul, United States of America
| | - Y Kim
- Korea University, Seoul, Korea (Republic of)
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Kottmaier M, Inaba O, Phillips K, Adsett M, Hayes J, Gkalapis C, Lengauer S, Clementy N, Bailey C, Kaneko S. Initial experience using a novel algorithm to calculate omnipolar electrograms using a high-density grid-style catheter. Europace 2022. [DOI: 10.1093/europace/euac053.062] [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: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background/Introduction
A novel mapping algorithm recently became available in Europe and select countries in the Asia Pacific region. EnSite Omnipolar Technology (OT) utilizes the Advisor HD Grid Mapping Catheter, Sensor Enabled (HD Grid) to calculate electrograms in 360 degrees from two bipolar and three unipolar electrograms acquired from a triangular set of three electrodes. This software also enables calculation of wavefront characteristics including maximum voltage, activation direction and wave speed. Procedural characteristics and clinical utilization of this novel software have not yet been reported.
Purpose
To examine the clinical utility and procedural characteristics associated with the use of this novel mapping algorithm among participating centers.
Methods
Acute procedural data were prospectively collected in 386 cases at 52 centers utilizing the newly approved mapping software in the initial phases of commercialization in Europe and the Asia Pacific region. Procedural characteristics recorded included indication for mapping/ablation, navigation mode, mapping reference, and maps and tools used to diagnose/locate ablation targets.
Results
A total of 14 indications for mapping and ablation were represented including AF, atypical flutter, and VT (Table 1). VoXel (magnetic primary) navigation mode was used in most cases (n=325, 84%). The CS catheter was used as the map reference in 280 cases (73%). A variety of workflows were used with OT to diagnose and locate ablation targets including voltage maps (n=275, 71%), LAT maps (n=226, 59%), OT activation vectors (n=124, 32%), propagation maps (n=94, 24%), and sparkle maps (n=69, 18%); note: total exceeds 100%, multiple workflows per case observed. EnSite LiveView Dynamic Display (LiveView) was used in 129 cases (33%) to diagnose and locate ablation targets, including 28 (22%) where OT activation vectors were used with LiveView. Several benefits of OT were reported including rapid identification of ablation target(s) (n=133, 35%), higher point density (n=82, 21%), better signals (n=69, 18%), and improved procedure efficiency (n=48, 12%).
Conclusion(s)
Initial experience with this novel mapping software in Europe and the Asia-Pacific region illustrated utility in a variety of arrhythmias to diagnose and locate ablation targets. The use of OT provided several benefits including rapid identification of ablation targets and higher point density, however further examination of its impact on procedural efficiencies and acute outcomes is likely warranted.
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Affiliation(s)
- M Kottmaier
- German Heart Center of Munich, Munich, Germany
| | - O Inaba
- Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - K Phillips
- Greenslopes Private Hospital, Brisbane, Australia
| | - M Adsett
- St Andrews War Memorial Hospital, Brisbane, Australia
| | - J Hayes
- St Andrews War Memorial Hospital, Brisbane, Australia
| | | | - S Lengauer
- German Heart Center of Munich, Munich, Germany
| | - N Clementy
- University Hospital of Tours, Tours, France
| | - C Bailey
- Abbott, St. Paul, United States of America
| | - S Kaneko
- Toyota Kosei Hospital, Toyota, Japan
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18
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O’Sullivan G, Yu B, Bailey C, Velickovic Z, Rasko J. Regulatory Affairs, Quality Systems, Policy, and Ethics: HOW INSTITUTIONAL BIOSAFETY COMMITTEES CONTRIBUTE TO SAFETY, CAPACITY AND REGULATORY APPROVALS IN CELL AND GENE THERAPY TRIALS. Cytotherapy 2022. [DOI: 10.1016/s1465-3249(22)00495-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Bailey C, Makison-Booth C, Farrant J, Beswick A, Chewins J, Eimstad M, Heyerdahl F, Crook B. Validation of the Decontamination of a Specialist Transport System for Patients with High Consequence Infectious Diseases. Microorganisms 2021; 9:2575. [PMID: 34946176 PMCID: PMC8705707 DOI: 10.3390/microorganisms9122575] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 11/24/2022] Open
Abstract
When transferring highly infective patients to specialist hospitals, safe systems of work minimise the risk to healthcare staff. The EpiShuttle is a patient transport system that was developed to fit into an air ambulance. A validated decontamination procedure is required before the system can be adopted in the UK. Hydrogen peroxide (H2O2) vapour fumigation may offer better penetration of the inaccessible parts than the liquid disinfectant wiping that is currently suggested. To validate this, an EpiShuttle was fumigated in a sealed test chamber. Commercial bacterial spore indicators (BIs), alongside organic liquid suspensions and dried surface samples of MS2 bacteriophage (a safe virus surrogate), were placed in and around the EpiShuttle, for the purpose of evaluation. The complete kill of all of the BIs in the five test runs demonstrated the efficacy of the fumigation cycle. The log reduction of the MS2 that was dried on the coupons ranged from 2.66 to 4.50, but the log reduction of the MS2 that was in the organic liquids only ranged from 0.07 to 1.90, confirming the results of previous work. Fumigation with H2O2 alone may offer insufficient inactivation of viruses in liquid droplets, therefore a combination of fumigation and disinfectant surface wiping was proposed. Initial fumigation reducing contamination with minimal intervention allows disinfectant wipe cleaning to be completed more safely, with a second fumigation step inactivating the residual pathogens.
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Affiliation(s)
- Claire Bailey
- Health and Safety Executive Science Research Centre, Buxton SK17 9JN, UK; (C.B.); (C.M.-B.); (J.F.); (A.B.)
| | - Catherine Makison-Booth
- Health and Safety Executive Science Research Centre, Buxton SK17 9JN, UK; (C.B.); (C.M.-B.); (J.F.); (A.B.)
- World Health Organization, 1211 Geneva, Switzerland
| | - Jayne Farrant
- Health and Safety Executive Science Research Centre, Buxton SK17 9JN, UK; (C.B.); (C.M.-B.); (J.F.); (A.B.)
- Health and Safety Executive, Leeds LS11 9AT, UK
| | - Alan Beswick
- Health and Safety Executive Science Research Centre, Buxton SK17 9JN, UK; (C.B.); (C.M.-B.); (J.F.); (A.B.)
| | | | | | - Fridtjof Heyerdahl
- EpiGuard, 1634 Gamle Fredrikstad, Norway; (M.E.); (F.H.)
- Department of Prehospital Services, Oslo University Hospital, 0372 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0315 Oslo, Norway
| | - Brian Crook
- Health and Safety Executive Science Research Centre, Buxton SK17 9JN, UK; (C.B.); (C.M.-B.); (J.F.); (A.B.)
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20
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Lanier OL, Manfre M, Kulkarni S, Bailey C, Chauhan A. Combining modeling of drug uptake and release of cyclosporine in contact lenses to determine partition coefficient and diffusivity. Eur J Pharm Sci 2021; 164:105891. [PMID: 34051298 DOI: 10.1016/j.ejps.2021.105891] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 11/19/2022]
Abstract
Ophthalmic drug delivery via eye drops is inefficient because only about 1-5% of the drug permeates the cornea during the short residence time of a few minutes. Contact lenses are receiving considerable attention for delivering ophthalmic drugs because of higher bioavailability and the possibility of sustained release from hour to days, and possibly longer. The drug release durations from contact lenses are typically measured in vitro and it is challenging to relate the in vitro release to in vivo release, particularly for hydrophobic drugs which may not exhibit sink release in vitro and in vivo. The in vitro release can be fitted to diffusion equation to determine the partition coefficient and diffusivity, which can then be utilized to model in vivo release. The Higuchi equation is frequently used to model the short time release from a contact lens to determine diffusivity with the implicit assumption that the release is under sink conditions and the starting concentration in the lens was uniform. Both conditions may be violated when measuring release of hydrophobic drugs from contact lenses because the diffusivity and partition coefficient, and also the time needed for equilibrium are not known a priori. Here we develop a method to use the data for both loading and release of cyclosporine, which is a common hydrophobic ophthalmic drug, to determine the partition coefficient and diffusivity. The proposed approach does not require sink conditions and also does not require the lens to be fully equilibrated during loading, which may take almost a month for lenses considered here. The model is based on solving the diffusion equation in the gel along with a mass balance in the fluid. The model equations are solved numerically by finite difference. When the value of partition coefficient is high, such as it is for cyclosporine, the dynamic data is only sensitive to a ratio of partition coefficient and diffusivity, and this ratio had to first be determined from the loading data. Then the two unknown parameters were obtained by minimizing the error between the model prediction and experimental data. The method was used to determine D and K for several silicone hydrogel formulations with varying ratio of hydrogel and silicone fractions.
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Affiliation(s)
- Olivia L Lanier
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO 80401, United States
| | - Miranda Manfre
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO 80401, United States
| | - Sandesh Kulkarni
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO 80401, United States
| | - Claire Bailey
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO 80401, United States
| | - Anuj Chauhan
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO 80401, United States.
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21
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Bailey C, Hilser H, Siwi Y, Lawe Z, Waterman J, Loffeld TAC, Sampson H, Tasirin J, Melfi V, Bowkett AE. Trends in the bushmeat market trade in North Sulawesi and conservation implications. Anim Conserv 2021. [DOI: 10.1111/acv.12723] [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: 11/28/2022]
Affiliation(s)
- C. Bailey
- Selamatkan Yaki Manado North Sulawesi Indonesia
| | - H. Hilser
- Selamatkan Yaki Manado North Sulawesi Indonesia
- College of Life and Environmental Sciences University of Exeter Exeter UK
| | - Y. Siwi
- Selamatkan Yaki Manado North Sulawesi Indonesia
| | - Z. Lawe
- Selamatkan Yaki Manado North Sulawesi Indonesia
| | - J. Waterman
- School of Biological and Environmental Science Liverpool John Moores University Liverpool UK
| | - T. A. C. Loffeld
- Durrell Institute of Conservation and Ecology (DICE) University of Kent Canterbury UK
| | - H. Sampson
- Selamatkan Yaki Manado North Sulawesi Indonesia
| | - J. Tasirin
- Selamatkan Yaki Manado North Sulawesi Indonesia
- Faculty of Agriculture Sam Ratulangi University Manado North Sulawesi Indonesia
| | - V. Melfi
- Hartpury University Gloucestershire UK
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22
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Cushnie D, Fisher C, Hall H, Johnson M, Christie S, Bailey C, Phan P, Abraham E, Glennie A, Jacobs B, Paquet J, Thomas K. Mental health improvements after elective spine surgery: a Canadian Spine Outcome Research Network (CSORN) study. Spine J 2021; 21:1332-1339. [PMID: 33831545 DOI: 10.1016/j.spinee.2021.03.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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] [Received: 07/31/2020] [Revised: 02/19/2021] [Accepted: 03/29/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Spine patients have a higher rate of depression then the general population which may be caused in part by levels of pain and disability from their spinal disease. PURPOSE Determination whether improvements in health-related quality of life (HRQOL) resulting from successful spine surgery leads to improvements in mental health. STUDY DESIGN/SETTING The Canadian Spine Outcome Research Network prospective surgical outcome registry. OUTCOME MEASURES Change between preoperative and postoperative SF12 Mental Component Score (MCS). Secondary outcomes include European Quality of Life (EuroQoL) Healthstate, SF-12 Physical Component Score (PCS), Oswestry Disability Index (ODI), Patient Health Questionaire-9 (PHQ9), and pain scales. METHODS The Canadian Spine Outcome Research Network registry was queried for all patients receiving surgery for degenerative thoracolumbar spine disease. Exclusion criteria were trauma, tumor, infection, and previous spine surgery. SF12 Mental Component Scores (MCS) were compared between those with and without significant improvement in postoperative disability (ODI) and secondary measures. Multivariate analysis examined factors predictive of MCS improvement. RESULTS Eighteen hospitals contributed 3222 eligible patients. Worse ODI, EuroQoL, PCS, back pain and leg pain correlated with worse MCS at all time points. Overall, patients had an improvement in MCS that occurred within 3 months of surgery and was still present 24 months after surgery. Patients exceeding Minimally Clinically Important Differences in ODI had the greatest improvements in MCS. Major depression prevalence decreased up to 48% following surgery, depending on spine diagnosis. CONCLUSIONS Large scale, real world, registry data suggests that successful surgery for degenerative lumbar disease is associated with reduction in the prevalence of major depression regardless of the specific underlaying diagnosis. Worse baseline MCS was associated with worse baseline HRQOL and improved postoperatively with coincident improvement in disability, emphasizing that mental wellness is not a static state but may improve with well-planned spine surgery.
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Affiliation(s)
- D Cushnie
- McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada, L8S 4L8.
| | - C Fisher
- University of British Columbia, 6th floor, 818 West 10th Avenue, Vancouver, British Columbia, Canada, V5Z 1M9
| | - H Hall
- University of Toronto, 494851 Traverston Road, Markdale, Ontario, Canada, N0C 1H0
| | - M Johnson
- University of Manitoba, AD401 - 820 Sherbrook Street, Winnipeg, Manitoba, Canada, R3A 1R9
| | - S Christie
- Dalhousie University, Department of Surgery (Neurosurgery), Halifax, Nova Scotia, Canada, B3H 4R2
| | - C Bailey
- Western University, 800 Commissioners Rd. E., E1-317London, Ontario, Canada, N6A 5W9
| | - P Phan
- University of Ottawa, 1053 Carling Ave, Ottawa, Ontario, Canada, K1Y 4E9
| | - E Abraham
- Dalhousie University, 555 Somerset St, Suite 200, Saint John, New Brunswick, Canada, E2K 4X2
| | - A Glennie
- Dalhousie University, Department of Surgery (Neurosurgery), Halifax, Nova Scotia, Canada, B3H 4R2
| | - B Jacobs
- University of Calgary, Foothills Medical Centre, 1403 - 29th Street NW Calgary, AB, Canada T2N 2T9
| | - J Paquet
- CHU de Québec-Université Laval, 1401 18e rue, Québec City, Quebec, Canada, G1J 1Z4
| | - K Thomas
- University of Calgary, Foothills Medical Centre, 1403 - 29th Street NW Calgary, AB, Canada T2N 2T9
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Yuan F, Gong A, Farhan A, Gowda P, Bailey C, Latif M, Shafaat O, Fu Y, Mitchell S, Holly B, Weiss C. Abstract No. 197 Using intraoperative neurophysiologic monitoring to prevent peripheral nerve injury during embolization of low-flow vascular malformations. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.203] [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: 10/21/2022] Open
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Hafezi Nejad N, Bailey C, Lyons G, Liddell R. Abstract No. 464 Peripheral endovascular interventions: national burden, regional variations, disparities, direct and indirect costs in the United States. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.273] [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: 11/16/2022] Open
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Esfandiary T, Bailey C, Liddell R, Singh H, Lyons G. Abstract No. 193 Vascular sequelae of COVID-19: interventional radiology in the management of coronavirus-associated angiopathy. J Vasc Interv Radiol 2021. [PMCID: PMC8079608 DOI: 10.1016/j.jvir.2021.03.199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Latif M, Motaghi M, Abou Areda M, Bailey C, Mitchell S, Weiss C. Abstract No. 66 Predictors of reperfusion in treated pulmonary arteriovenous malformation: a retrospective single-center study. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.487] [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] Open
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Hafezi Nejad N, Gowda P, Bailey C, Weiss C. Abstract No. 47 Recurrent bleeding and post-procedural complications following bronchial artery embolization for hemoptysis: a meta-analysis of 2661 patients. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.465] [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: 10/21/2022] Open
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O’Sullivan G, Yu B, Bailey C, Velickovic Z, Rasko J. How institutional biosafety committees contribute to safety, capacity and regulatory approvals in cell and gene therapy trials. Cytotherapy 2021. [DOI: 10.1016/s146532492100640x] [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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Quick A, Martin B, Bailey C, Covington K, Cook R. 297 Risk stratification of patients with stage I cutaneous melanoma (CM) using 31-gene expression profiling (GEP). J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.319] [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: 10/21/2022]
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Yuan F, Latif M, Shafaat O, Fu Y, Gowda P, Gong A, Farhan A, Bailey C, Mitchell S, Weiss C. Abstract No. 598 Clinical manifestations of patients with novel mutations associated with hereditary hemorrhagic telangiectasia and related vascular anomalies. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.408] [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: 11/28/2022] Open
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Hafezi Nejad N, Abou Areda M, Bailey C, Solomon A, Weiss C. Abstract No. 463 Percutaneous vertebral augmentation in the oldest old: comparative evaluation of comorbidities, outcomes and disparities. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.272] [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: 12/01/2022] Open
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Fonner VA, Ntogwisangu J, Hamidu I, Joseph J, Fields J, Evans E, Kilewo J, Bailey C, Goldsamt L, Fisher CB, O'Reilly KR, Ruta T, Mbwambo J, Sweat MD. "We are in this together:" dyadic-level influence and decision-making among HIV serodiscordant couples in Tanzania receiving access to PrEP. BMC Public Health 2021; 21:720. [PMID: 33853559 PMCID: PMC8045366 DOI: 10.1186/s12889-021-10707-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 03/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND A substantial number of new HIV infections in sub-Saharan Africa occur within stable couples. Biomedical prevention (pre-exposure prophylaxis, PrEP) and treatment (antiretroviral therapy, ART) can provide benefits to sexual partners and can be used to prevent infection within HIV serodiscordant couples. However, research is typically focused on individuals, not dyads, even when the intervention may directly or indirectly impact sexual partners. Gaps remain in understanding best practices for recruitment, informed consent, and intervention implementation in studies involving HIV prevention and treatment among heterosexual serodiscordant couples. This qualitative study was undertaken to understand and describe decision-making and dyadic-level influence among members of serodiscordant couples regarding (1) participation in a dyadic-based research study involving HIV self-testing and access to PrEP, and (2) utilization of PrEP and ART. METHODS This qualitative study was nested within an observational cohort study assessing the acceptability of home-based couples' HIV self-testing and uptake of dyadic care for serodiscordant couples involving facilitated referral for HIV-positive partners and access to PrEP for HIV-negative partners. Semi-structured in-depth interviews were conducted among a subset of study participants (n = 22) as well as individuals involved in serodiscordant relationships who chose not to participate (n = 9). Interviews focused on couples' decision-making regarding study participation and dyadic-level influence on medication use. Interviews were transcribed verbatim and translated from Kiswahili into English. Data were analyzed using thematic analysis. RESULTS Three major themes were identified: (1) HIV as "two people's secret" and the elevated role of partner support in serodiscordant relationships; (2) the intersectional role of HIV-status and gender on decision-making; (3) the relational benefits of PrEP, including psychosocial benefits for the couple that extend beyond prevention. CONCLUSIONS The study found that couples made joint decisions regarding study participation and uptake of HIV-related medication. Relational autonomy and dyadic-level influence should be considered within research and programs involving HIV serodiscordant couples.
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Affiliation(s)
- Virginia A Fonner
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, Division of Global and Community Health, Charleston, SC, USA.
| | - Jacob Ntogwisangu
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Isihaka Hamidu
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Juliet Joseph
- Medical University of South Carolina, College of Medicine, Charleston, SC, USA
| | - Joshua Fields
- Medical University of South Carolina, College of Medicine, Charleston, SC, USA
| | - Evans Evans
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Jordan Kilewo
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Claire Bailey
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, Division of Global and Community Health, Charleston, SC, USA
| | - Lloyd Goldsamt
- New York University, Rory Meyers College of Nursing, New York, NY, USA
| | - Celia B Fisher
- Fordham University, Department of Psychology and Center for Ethics Education, Bronx, NY, USA
| | - Kevin R O'Reilly
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, Division of Global and Community Health, Charleston, SC, USA
| | - Theonest Ruta
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Jessie Mbwambo
- Department of Psychiatry and Mental Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Michael D Sweat
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, Division of Global and Community Health, Charleston, SC, USA
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Bell SF, Collis RE, Bailey C, James K, John M, Kelly K, Kitchen T, Scarr C, Macgillivray E, Collins PW. The incidence, aetiology, and coagulation management of massive postpartum haemorrhage: a two-year national prospective cohort study. Int J Obstet Anesth 2021; 47:102983. [PMID: 33994274 DOI: 10.1016/j.ijoa.2021.102983] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 02/23/2021] [Accepted: 03/14/2021] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Between 2017 and 2018 a national quality improvement initiative was introduced incorporating point-of-care viscoelastic haemostatic assays (VHA) to guide blood product transfusion. Laboratory coagulation profiles, use and results of VHA, and administration of blood products were investigated. METHODS A two-year prospective cohort study of maternal outcomes of women experiencing massive postpartum haemorrhage (PPH) >1000 mL in Wales. In this study, cases of massive PPH (≥2500 mL and/or ≥5 units red blood cell (RBC) transfusion) were identified. RESULTS Massive PPH occurred in 349 of 60 914 maternities (rate 5.7 per 1000). There were no deaths from PPH. Intensive care unit admission and/or hysterectomy occurred in 34/311 (10.9%) and 16/347 (4.6%), respectively. The leading cause of massive PPH was genital tract trauma (107/349, 30.6%). Two hundred and seventy-nine (80.6%) required RBC transfusion and 79/345 (22.9%) received at least one blood coagulation product. Results of VHA were recorded in 245/349 (70.2%), with 44/98 (44.9%) women tested in the first six months vs 63/77 (81.8%) in the final six months. Hypofibrinogenaemia (Clauss fibrinogen <2 g/L or FIBTEM A5 <12 mm) was observed in 56/328 (17.1%) of women, thrombocytopaenia (count <75 × 109/L) in 17/334 (5.1%) and either PT or aPTT >1.5×reference range in 10/293 (3.4%). CONCLUSION In Wales, the use of VHA in cases of massive PPH increased over time, enabling clinicians to adopt a targeted, patient-specific approach to blood product administration, with only 22.9% of women receiving blood coagulation products and 17.1% having a documented clotting abnormality.
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Affiliation(s)
- S F Bell
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK.
| | - R E Collis
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - C Bailey
- Department of Anaesthetics, Intensive Care and Pain Medicine, Betsi Cadwaladr University Health Board, Glan Clwyd Hospital, Bodelwyddan, UK
| | - K James
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - M John
- Department of Emergency Medicine, Aneurin Bevan University Health Board, Newport, UK
| | - K Kelly
- Department of Anaesthetics, Intensive Care and Pain Medicine, Betsi Cadwaladr University Health Board, Glan Clwyd Hospital, Bodelwyddan, UK
| | - T Kitchen
- Department of Anaesthetics, Intensive Care and Pain Medicine, Cardiff and Vale University Health Board, Cardiff, UK
| | - C Scarr
- Department of Obstetrics and Gynaecology, Cardiff and Vale University Health Board, Cardiff, UK
| | | | - P W Collins
- Institute of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
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Lanier OL, Manfre MG, Bailey C, Liu Z, Sparks Z, Kulkarni S, Chauhan A. Review of Approaches for Increasing Ophthalmic Bioavailability for Eye Drop Formulations. AAPS PharmSciTech 2021; 22:107. [PMID: 33719019 DOI: 10.1208/s12249-021-01977-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/27/2021] [Indexed: 01/09/2023] Open
Abstract
Ophthalmic diseases represent a significant problem as over 2 billion people worldwide suffer from vison impairment and blindness. Eye drops account for around 90% of ophthalmic medications but are limited in success due to poor patient compliance and low bioavailability. Low bioavailability can be attributed to short retention times in the eye caused by rapid tear turnover and the difficulty of drug diffusion through the multi-layered structure of the eye that includes lipid-rich endothelial and epithelial layers as well as the stroma which is high in water content. In addition, there are barriers such as tight junctional complexes in the corneal epithelium, lacrimal turnover, nasolacrimal drainage, blinking reflexes, efflux transporters, drug metabolism by ocular enzymes, and drug binding to or repulsion from conjunctival mucins, tear proteins, and melanin. In order to maximize transport through the cornea while minimizing drug loss through other pathways, researchers have developed numerous methods to improve eye drop formulations including the addition of viscosity enhancers, permeability enhancers, mucoadhesives, and vasoconstrictors, or using formulations that include puncta occlusion, nanocarriers, or prodrugs. This review explains the mechanism behind each of these methods, examines their history, analyzes previous and current research, evaluates future applications, and discusses the pros and cons of each technique.
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Otome O, Fysh E, Shariar A, Yuan ACH, Brownell P, Abu-Sharifa A, Bailey C, Hall V, Courtney AT, O’Reilly M. 1517. Outcomes of Influenza Infection among Vaccinated and Un-Vaccinated Patients presenting to a Suburban hospital in Perth, Western Australia (WA), 2019 Southern Hemisphere Influenza Season. Open Forum Infect Dis 2020. [PMCID: PMC7777801 DOI: 10.1093/ofid/ofaa439.1698] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Influenza season started in April, earlier than any previous season. WA immunization registry showed a higher than average vaccine uptake. By October 22,770 cases and 80 influenza related deaths were recorded (in 2018: 3,679 cases and 13 deaths). We aimed to characterize clinical presentation and outcomes of laboratory confirmed Influenza, comparing vaccinated with unvaccinated controls.Hypothesis; vaccination would result in less severe disease and better outcomes. Primary objective: length of stay (LOS); Secondary objective: prevalence of severe respiratory illness, ICU admission and death.
Methods
Retrospective study, April to October 2019. Eligible patients had a telephone-based questionnaire for clinical and immunization data verification. Excluded; < 18 years; deceased; dementia; nursing home and unable to consent. Continuous and categorical data of cases (vaccinated) and controls (unvaccinated) were compared using Mann-Whitney U test (non parametric), student t-test (parametric). Correlation and multilinear regression analyses were undertaken to determine the effects of vaccination status and identified confounders on the primary outcome. Based on previous average LOS (5 days, SD 1.5) the sample required to detect a difference of 1 day with 80% power was 70 patients. This study was approved by the SJGHC HREC.
Results
Of 163 eligible, 83 completed the questionnaire. 8 were excluded. 75 underwent analysis (50 vaccinated and 25 unvaccinated). Median age was 75 (23-83) and 63 (33-70) respectively (p< 0.01). 76% vs 48% reported >1 comorbidity (p =0.02). 10% vs 0% were admitted to ICU (p =0.16). Higher vaccination uptake was seen in older patients and those with comorbid conditions. There was a strong correlation (Spearman r= 0.54 (0.34 to 0.68, p< 0.001) between age and length of stay, but none was found between comorbidity or vaccination and length of stay. Neither age (p >0.05), comorbidity status (yes/no; p=0.99), vaccination status (p=0.61) nor any combination of these variables were significantly associated with a dichotomised outcome of acute hospital stay > 3 days.
Conclusion
Vaccination with the 2019 influenza vaccine had no significant effect on hospital length of stay, mortality or critical care requirement in patients admitted to hospital with influenza.
Disclosures
All Authors: No reported disclosures
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Affiliation(s)
- Ohide Otome
- Infectious Diseases / Microbiology, Midland, Western Australia, Australia
| | - Ed Fysh
- SJG Mildand Hospital, Perth, Western Australia, Australia
| | - Afsin Shariar
- SJG Midland Hospital, Perth, Western Australia, Australia
| | | | | | | | - Claire Bailey
- SJG Midland Hospital, Perth, Western Australia, Australia
| | - Victoria Hall
- SJG Midland Hospital, Perth, Western Australia, Australia
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Bailey C, Meyer J, Tangen C, Deane R, Briskin S, Gunstad J, Fastenau P, Smith P, Solomon M, Kelly AW. A-03 SCAT5 Cognitive Screening Normative Data and Reliable Change Indices. Arch Clin Neuropsychol 2020. [DOI: 10.1093/arclin/acaa036.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Objective
This study provides normative data on the SCAT5 Cognitive Screening, establishes test-retest reliability, and creates clinically relevant cut points for low performance.
Method
The multisport baseline sample was composed of 727 uninjured college athletes (52% female) at a Division I university who were administered the SCAT5 before the 2017–2018 season. Descriptive statistics, including base rates of low performance, were calculated for SCAT5 indices. Repeat baseline testing was completed by 325 athletes (48% female) at 1 year (days M = 352.56;SD = 56.03) who were included in the test-retest reliability and practice effect analyses. Reliable change indices were calculated.
Results
Descriptive statistics for SCAT5 were computed for both baselines (Baseline 1: SAC total M = 35.15,SD = 4.93; immediate recall total M = 20.01,SD = 3.46; delayed recall total M = 6.43,SD = 1.75). A difference in descriptive statistics and practice effects by sex on the SCAT5 Cognitive Screening has been demonstrated (Bailey, Meyer, Tangen et al., under review). For female athletes, the 1st administration cutoff scores for abnormal performance (<10th%ile) included SAC total score = 33, immediate recall score = 18, and delayed recall score = 6. For male athletes, the 1st administration cutoff scores for abnormal performance (<10th%ile) included SAC total score = 30, immediate recall score = 17, and delayed recall score = 5. Test-retest reliability of the SAC was similar to previous versions but varied by sex. Reliable change indices (RCI) were created with cut points for significant change.
Conclusions
The present study provides clinically relevant normative data for the SCAT5 Cognitive Screening. Cut points for low performance on both reliable chance indices (RCIs) and normative performance reflected meaningful sex differences that could influence clinical interpretation.
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Rhee JJ, Grant M, Senior H, Monterosso L, McVey P, Johnson C, Aubin M, Nwachukwu H, Bailey C, Fallon-Ferguson J, Yates P, Williams B, Mitchell G. Facilitators and barriers to general practitioner and general practice nurse participation in end-of-life care: systematic review. BMJ Support Palliat Care 2020:bmjspcare-2019-002109. [PMID: 32561549 DOI: 10.1136/bmjspcare-2019-002109] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 04/17/2020] [Accepted: 05/04/2020] [Indexed: 01/11/2023]
Abstract
BACKGROUND General practitioners (GPs) and general practice nurses (GPNs) face increasing demands to provide palliative care (PC) or end-of-life care (EoLC) as the population ages. To enhance primary EoLC, the facilitators and barriers to their provision need to be understood. OBJECTIVE To provide a comprehensive description of the facilitators and barriers to GP and GPN provision of PC or EoLC. METHOD Systematic literature review. Data included papers (2000 to 2017) sought from Medline, PsycInfo, Embase, Joanna Briggs Institute and Cochrane databases. RESULTS From 6209 journal articles, 62 reviewed papers reported the GP's and GPN's role in EoLC or PC practice. Six themes emerged: patient factors; personal GP factors; general practice factors; relational factors; co-ordination of care; availability of services. Four specific settings were identified: aged care facilities, out-of-hours care and resource-constrained settings (rural, and low-income and middle-income countries). Most GPs provide EoLC to some extent, with greater professional experience leading to increased comfort in performing this form of care. The organisation of primary care at practice, local and national level impose numerous structural barriers that impede more significant involvement. There are potential gaps in service provision where GPNs may provide significant input, but there is a paucity of studies describing GPN routine involvement in EoLC. CONCLUSIONS While primary care practitioners have a natural role to play in EoLC, significant barriers exist to improved GP and GPN involvement in PC. More work is required on the role of GPNs.
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Affiliation(s)
- Joel J Rhee
- School of Medicine, University of Wollongong, Wollongong, New South Wales, Australia
- School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Matthew Grant
- School of Medicine, Monash University, Clayton, Victoria, Australia
| | - Hugh Senior
- College of Health Sciences, Massey University-Albany Campus, Auckland, New Zealand
| | - Leanne Monterosso
- School of Nursing and Midwifery, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Nursing, University of Notre Dame, Fremantly, Western Australia, Australia
| | - Peta McVey
- Susan Wakil School of Nursing, University of Sydney, Sydney, New South Wales, Australia
| | - Claire Johnson
- Nursing and Midwifery, Monash University, Clayton, Victoria, Australia
- Cancer and Palliative Care Research and Evaluation Unit, School of Surgery, The University of Western Australia, Perth, Western Australia, Australia
| | - Michèle Aubin
- Département de médecine familiale et de médecine d'urgence, Laval University Faculty of Medicine, Quebec City, Quebec, Canada
| | - Harriet Nwachukwu
- Primary Care Clinical Unit, The University of Queensland Faculty of Medicine, Herston, Queensland, Australia
| | - Claire Bailey
- School of Medicine, University of Notre Dame, Sydney, New South Wales, Australia
| | - Julia Fallon-Ferguson
- General Practice, The University of Western Australia, Perth, Western Australia, Australia
- Primary Care Cancer Clinical Trials Collaborative, University of Melbourne, Melbourne, Victoria, Australia
| | - Patsy Yates
- Nursing, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Briony Williams
- General Practice, The University of Western Australia, Perth, Western Australia, Australia
- Primary Care Cancer Clinical Trials Collaborative, University of Melbourne, Melbourne, Victoria, Australia
| | - Geoffrey Mitchell
- Primary Care Clinical Unit, The University of Queensland Faculty of Medicine, Herston, Queensland, Australia
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Bailey C, Shoura MJ, Mischel PS, Swanton C. Extrachromosomal DNA-relieving heredity constraints, accelerating tumour evolution. Ann Oncol 2020; 31:884-893. [PMID: 32275948 DOI: 10.1016/j.annonc.2020.03.303] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 03/26/2020] [Indexed: 12/31/2022] Open
Abstract
Oncogene amplification on extrachromosomal DNA (ecDNA) provides a mechanism by which cancer cells can rapidly adapt to changes in the tumour microenvironment. These circular structures contain oncogenes and their regulatory elements, and, lacking centromeres, they are subject to unequal segregation during mitosis. This non-Mendelian mechanism of inheritance results in increased tumour heterogeneity with daughter cells that can contain increasingly amplified oncogene copy number. These structures also contain favourable epigenetic modifications including transcriptionally active chromatin, further fuelling positive selection. ecDNA drives aggressive tumour behaviour, is related to poorer survival outcomes and provides mechanisms of drug resistance. Recent evidence suggests one in four solid tumours contain cells with ecDNA structures. The concept of tumour evolution is one in which cancer cells compete to survive in a diverse tumour microenvironment under the Darwinian principles of variation and fitness heritability. Unconstrained by conventional segregation constraints, ecDNA can accelerate intratumoral heterogeneity and cellular fitness. In this review, we highlight some of the recent discoveries underpinning this process.
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Affiliation(s)
- C Bailey
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - M J Shoura
- Department of Pathology, Stanford University School of Medicine, Stanford, USA
| | - P S Mischel
- Ludwig Institute for Cancer Research, University of California at San Diego, San Diego, USA; San Diego Moores Cancer Center, University of California, La Jolla, USA; Department of Pathology, University of California San Diego, La Jolla, USA
| | - C Swanton
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK; Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK.
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Beswick A, Bailey C, Crook B, Crouch D, Farrant J, Frost G, Stagg S. Performance Testing of a Venturi-Based Backpack Spray Decontamination System. Appl Biosaf 2020; 25:28-40. [PMID: 36033381 PMCID: PMC9134619 DOI: 10.1177/1535676019898299] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/17/2023]
Abstract
Introduction The performance of 2 disinfectant chemicals, peracetic acid (PAA) and hypochlorous acid (HOCl), was evaluated using a Venturi-nozzle-based light decontamination system (LDS) for delivery. The atomization equipment combined low-pressure air and disinfectant via a handheld lance, producing a fine, dense aerosol. A range of microorganisms, including Bacillus cereus and Bacillus anthracis (Vollum) spores, were used as test challenges to evaluate chemicals and equipment. Methods The tests undertaken included assessments over fixed and variable exposure times, use of multiple surface materials, and a live agent challenge. Results Over a fixed-time exposure of 60 minutes, aerosolized PAA gave 7- to 8-log reductions of all test challenges, but HOCl was less effective. Material tests showed extensive kill on most surfaces using PAA (≥6-log kill), but HOCl showed more variation (4- to 6-log). Testing using B. anthracis showed measurable PAA induced spore kill inside 5 minutes and >6-log kill at 5 minutes or over. HOCl was less effective. Discussion The results demonstrate the importance of testing decontamination systems against a range of relevant microbiological challenges. Disinfectant efficacy may vary depending on product choice, types of challenge microorganisms, and their position in a treated area. The most effective disinfectants demonstrate biocidal efficacy despite these factors. Conclusion The data confirmed PAA as an effective disinfectant capable of rapidly killing a range of microorganisms, including spores. HOCl was less effective. The LDS system successfully delivered PAA and HOCl over a wide area and could be suitable for a range of frontline biosecurity applications.
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Affiliation(s)
- Alan Beswick
- Health and Safety Executive, Buxton, Derbyshire, UK
| | | | - Brian Crook
- Health and Safety Executive, Buxton, Derbyshire, UK
| | - David Crouch
- 3M™ United Kingdom PLC, Skelmersdale, Lancashire, UK
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Hafezi Nejad N, Bailey C, Weiss C. Abstract No. 580 Overweight, obesity, and unfavorable outcomes after percutaneous biliary interventions: a national study. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.641] [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: 10/25/2022] Open
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Patel K, Maxwell A, Bailey C. 3:54 PM Abstract No. 361 Safety and efficacy of central venous line placement via internal jugular vein in patients with total artificial hearts. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.420] [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: 10/25/2022] Open
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Hafezi Nejad N, Bailey C, Weiss C. Abstract No. 581 Percutaneous biliary interventions: national trends, patient characteristics, clinical indications, and outcomes in the United States, 1993 to 2015. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.642] [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: 12/01/2022] Open
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Hafezi Nejad N, Bailey C, Weiss C. Abstract No. 621 Vertebroplasty and kyphoplasty in the United States, 2004 to 2015: national trends, short-term outcomes, and regional disparities in cost of care. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.682] [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] Open
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Williams H, Tarallo C, Tran L, Griswold L, Bailey C, Patel K, Ghamande S, Rungruang B. Factors Influencing Survival and Survivorship Outcomes in Vulvar Cancer. Gynecol Oncol 2020. [DOI: 10.1016/j.ygyno.2019.11.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Bailey C, Nejad NH, Weiss C. Abstract No. 417 Arteriography of pulmonary arteries for pulmonary arteriovenous malformations in hereditary hemorrhagic telangiectasia: national trends, patient characteristics, and outcomes. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Meyer J, Briskin S, Tangen C, Hoffer S, Dundr J, Brennan B, Smith P, Lissemore F, Bailey C. B-48 Effects of Anxiety on Response to a Subsymptom Threshold Exercise Program for Treatment of Persistent Post-Concussive Symptoms: A Pilot Randomized Clinical Trial. Arch Clin Neuropsychol 2019. [DOI: 10.1093/arclin/acz034.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Objective
There is a growing literature to support the use of subsymptom threshold exercise for treatment of both acute and chronic post-concussion symptoms. The present study aimed to explore the influence of anxiety on response to exercise intervention for patients with persistent post-concussive symptoms.
Methods
Sixteen adolescents (ages 14-18) with persistent (>1 month) concussion symptoms were randomized into a light, home exercise group and a subsymptom threshold exercise group performed by PT’s (modeled after Leddy et al.,2019). Participants underwent intervention for 6 weeks and completed evaluations at Baseline, Mid-Point, and Follow-up after treatment; evaluations included State-Trait Anxiety Inventory (STAI), the Post-Concussive Scale-Revised (PCS-R), as well as additional measures of emotional functioning, balance disturbance, and neuropsychological functioning.
Results
Average PCS-R endorsement improved by 21 points from Baseline to Follow-up across treatment groups (PCS-R Total Change M = -21.29,SD = 13.54). There were meaningful Baseline differences between intervention groups in STAI state anxiety (p < .05) and STAI trait anxiety (p = 0.51); STAI variables were used as covariates in an ANOVA comparing mean PCS-R Percent Change between treatment and control groups. After removing the influence of anxiety, the intervention groups significantly differed and showed large effect (F(3,13) = 6.94,p < .05,partial eta2 = .41), with the intervention group improving (PCS-R Percent Change M = -63.3,SD = 17.4) more than the control group (PCS-R Percent Change M = -56.8,SD = 27.8).
Conclusion
Exercise intervention appears to be more effective than standard-of-care light activity in the treatment of persistent symptoms in adolescents; however, anxiety may alter response to intervention. Complimentary mental health treatment may augment response to exercise intervention and optimize concussion recovery trajectory in patients with persisting symptoms.
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Heng LZ, Bailey C, Lee R, Dick A, Ross A. A review and update on the ophthalmic implications of Susac syndrome. Surv Ophthalmol 2019; 64:477-485. [DOI: 10.1016/j.survophthal.2019.01.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 01/10/2019] [Accepted: 01/17/2019] [Indexed: 11/26/2022]
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Lois N, Cook J, Aldington S, Waugh N, Mistry H, Sones W, McAuley D, Aslam T, Bailey C, Chong V, Ghanchi F, Scanlon P, Sivaprasad S, Steel D, Styles C, McNally C, Rice R, Prior L, Azuara-Blanco A. Effectiveness of Multimodal imaging for the Evaluation of Retinal oedema And new vesseLs in Diabetic retinopathy (EMERALD). BMJ Open 2019; 9:e027795. [PMID: 31256030 PMCID: PMC6609061 DOI: 10.1136/bmjopen-2018-027795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Diabetic macular oedema (DMO) and proliferative diabetic retinopathy (PDR) are the major causes of sight loss in people with diabetes. Due to the increased prevalence of diabetes, the workload related to these complications is increasing making it difficult for Hospital Eye Services (HSE) to meet demands. METHODS AND ANALYSIS Effectiveness of Multimodal imaging for the Evaluation of Retinal oedema And new vesseLs in Diabetic retinopathy (EMERALD) is a prospective, case-referent, cross-sectional diagnostic study. It aims at determining the diagnostic performance, cost-effectiveness and acceptability of a new form of surveillance for people with stable DMO and/or PDR, which entails multimodal imaging and image review by an ophthalmic grader, using the current standard of care (evaluation of patients in clinic by an ophthalmologist) as the reference standard. If safe, cost-effective and acceptable, this pathway could help HES by freeing ophthalmologist time. The primary outcome of EMERALD is sensitivity of the new surveillance pathway in detecting active DMO/PDR. Secondary outcomes include specificity, agreement between new and the standard care pathway, positive and negative likelihood ratios, cost-effectiveness, acceptability, proportion of patients requiring subsequent full clinical assessment, unable to undergo imaging, with inadequate quality images or indeterminate findings. ETHICS AND DISSEMINATION Ethical approval was obtained for this study from the Office for Research Ethics Committees Northern Ireland (reference 17/NI/0124). Study results will be published as a Health Technology Assessment monograph, in peer-reviewed national and international journals and presented at national/international conferences and to patient groups. TRIAL REGISTRATION NUMBER NCT03490318 and ISRCTN:10856638.
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Affiliation(s)
- Noemi Lois
- Ophthalmology, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast, UK
| | | | | | - Norman Waugh
- The Division of Health Sciences, University of Warwick, Warwick, UK
| | - Hema Mistry
- The Division of Health Sciences, University of Warwick, Warwick, UK
| | | | - Danny McAuley
- Wellcome-Wolfson Institute for Experimental Medicine, Queens University, Belfast, UK
| | - Tariq Aslam
- The Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Claire Bailey
- Ophthalmology Department, Bristol Eye Hospital, Bristol, UK
| | - Victor Chong
- Ophthalmology, Royal Free Hospital NHS Foundation Trust, London, UK
| | - Faruque Ghanchi
- Ophthalmology, Bradford Royal Infirmary, Bradford, West Yorkshire, UK
| | - Peter Scanlon
- Gloucestershire Hospitals NHS Foundation Trust, Cheltenham, Gloucestershire, UK
| | - Sobha Sivaprasad
- NIHR Moorfields Biomedical Research Centre, Moorfields Eye Hospital, London, London
| | - David Steel
- Sunderland Eye Infirmary, Sunderland, UK
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, UK
| | | | | | - Rachael Rice
- Northern Ireland Clinical Trials Unit, Belfast, UK
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Hafezi Nejad N, Bailey C, Weiss C. Abstract No. 492 Uterine artery embolization in the United States, 2012–2015: a population-based analysis of costs based on hospital characteristics. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.573] [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: 10/27/2022] Open
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Hinerfeld D, Fuhrman K, Church S, Zollinger D, Reeves J, Bailey C, Warren S. Differential analysis of complex immune biology in MSI and MSS colorectal tumor microenvironments using high-plex spatial resolution. Eur J Cancer 2019. [DOI: 10.1016/j.ejca.2019.01.083] [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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