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Tan M, Nyamundanda G, Fontana E, Hazell S, Ragulan C, Jones K, Abah B, Jacobs T, Bowes J, Sadanandam A, Huddart R. PO-1207: Exploring molecular subtype as a biomarker of radiation response in muscle-invasive bladder cancer. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01225-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Hafeez S, Warren-Oseni K, Jones K, Amir E, Komel K, Dearnaley D, Harris V, Horwich A, Khan A, Kumar P, Lalondrelle S, McDonald F, Tan M, Thompson A, McNair H, Hansen V, Huddart R. Dose Escalated Adaptive Bladder Radiotherapy: Clinical Outcomes of a Phase I Study. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Moore U, Gordish H, Maneraz JD, James M, Mayhew A, Guglieri M, Spuler S, Day J, Jones K, Bharucha-Goebel D, Salort-Campana E, Pestronk A, Walter M, Paradas C, Stojkovic T, Yoshimura M, Bravver E, Pegoraro E, Mendell J, Straub V. FROM THE SPINAL CORD TO THE MUSCLE. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wong W, Bryen S, Bournazos A, Bommireddipall S, Waddell L, Menezes M, Webster R, Davis M, Liang C, Cooper S, Jones K. MITOCHONDRIAL DISEASES & METABOLIC MYOPATHIES. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Rogers R, Fournier M, Lee Y, Jones K, Sanchez L, Marban E. DMD – ANIMAL MODELS & PRECLINICAL TREATMENT. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bisson JI, van Deursen R, Hannigan B, Kitchiner N, Barawi K, Jones K, Pickles T, Skipper J, Young C, Abbott LR, van Gelderen M, Nijdam MJ, Vermetten E. Randomized controlled trial of multi-modular motion-assisted memory desensitization and reconsolidation (3MDR) for male military veterans with treatment-resistant post-traumatic stress disorder. Acta Psychiatr Scand 2020; 142:141-151. [PMID: 32495381 DOI: 10.1111/acps.13200] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/28/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To explore the potential efficacy of multi-modular motion-assisted memory desensitization and reprocessing (3MDR) in British military veterans with treatment-resistant service-related PTSD. METHODS Exploratory single-blind, randomized, parallel arm, cross-over controlled trial with nested process evaluation to assess fidelity, adherence and factors that influence outcome. RESULTS A total of 42 participants (all male) were randomized with 83% retention at 12 weeks and 86% at 26 weeks. The difference in mean Clinician-Administered PTSD Scale for DSM-5 scores between the immediate and delayed 3MDR arms was -9.38 (95% CI -17.33 to -1.44, P = 0.021) at 12 weeks and -3.59 (-14.39 to 7.20, P = 0.513) at 26 weeks when both groups had received 3MDR. The likely effect size of 3MDR was found to be 0.65. Improvements were maintained at 26-week follow-up. 3MDR was found to be acceptable to most, but not all, participants. Several factors that may impact efficacy and acceptability of 3MDR were identified. CONCLUSION 3MDR is a promising new intervention for treatment-resistant PTSD with emerging evidence of effect.
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Jones K, Hein LC, James L. A Nursing Leadership Practicum in the Time of COVID19:: A Southeastern University Experience. ACTA ACUST UNITED AC 2020; 19:145-149. [PMID: 32837347 PMCID: PMC7334920 DOI: 10.1016/j.mnl.2020.06.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 06/29/2020] [Indexed: 11/17/2022]
Abstract
Coronavirus disease 2019 (COVID19) shutdowns have impacted nursing education, particularly student clinical experiences. In this paper, we discuss how we adapted an accelerated MSN nursing administration clinical course to meet the needs of our practicing students and the Commission on Collegiate Nursing Education (CCNE) standards in the context of the COVID19 pandemic. Resources available through the American Organization for Nursing Leadership (AONL) were utilized. Students reported a supportive, valuable learning experience they could apply in their future practice as nurse leaders. Considerations for future revisions to the course and to the AONL Guiding Principles are also presented.
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Philippou Y, Sjoberg H, Murphy E, Alyacoubi S, Jones K, Gordon-Weeks A, Lamb A, McKenna W, Gileadi U, Cerundolo V, Mills I, Hamdy F, Muschel R, Bryant R. Investigating tumour immune microenvironment effects of hypofractionated radiotherapy +/- immune checkpoint blockade in immunocompetent pre-clinical prostate cancer models. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33818-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Jones K. Human Biomonitoring in Occupational Health for Exposure Assessment. PORTUGUESE JOURNAL OF PUBLIC HEALTH 2020. [DOI: 10.1159/000509480] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Gift T, Palafox J, Jones K, Imburgia T, Astor T. CMV Viremia after Discontinuation of Valganciclovir Prophylaxis in Lung Transplant Recipients. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Jones K, Basinas I, Kromhout H, van Tongeren M, Harding AH, Cherrie JW, Povey A, Sidek Ahmad ZN, Fuhrimann S, Ohlander J, Vermeulen R, Galea KS. Improving Exposure Assessment Methodologies for Epidemiological Studies on Pesticides: Study Protocol. JMIR Res Protoc 2020; 9:e16448. [PMID: 32130188 PMCID: PMC7070347 DOI: 10.2196/16448] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/14/2019] [Indexed: 01/02/2023] Open
Abstract
Background Exposure to certain pesticides has been associated with several chronic diseases. However, to determine the role of pesticides in the causation of such diseases, an assessment of historical exposures is required. Exposure measurement data are rarely available; therefore, assessment of historical exposures is frequently based on surrogate self-reported information, which has inherent limitations. Understanding the performance of the applied surrogate measures in the exposure assessment of pesticides is therefore important to allow proper evaluation of the risks. Objective The Improving Exposure Assessment Methodologies for Epidemiological Studies on Pesticides (IMPRESS) project aims to assess the reliability and external validity of the surrogate measures used to assign exposure within individuals or groups of individuals, which are frequently based on self-reported data on exposure determinants. IMPRESS will also evaluate the size of recall bias on the misclassification of exposure to pesticides; this in turn will affect epidemiological estimates of the effect of pesticides on human health. Methods The IMPRESS project will recruit existing cohort participants from previous and ongoing research studies primarily of epidemiological origin from Malaysia, Uganda, and the United Kingdom. Consenting participants of each cohort will be reinterviewed using an amended version of the original questionnaire addressing pesticide use characteristics administered to that cohort. The format and relevant questions will be retained but some extraneous questions from the original (eg, relating to health) will be excluded for ethical and practical reasons. The reliability of pesticide exposure recall over different time periods (<2 years, 6-12 years, and >15 years) will then be evaluated. Where the original cohort study is still ongoing, participants will also be asked if they wish to take part in a new exposure biomonitoring survey, which involves them providing urine samples for pesticide metabolite analysis and completing questionnaire information regarding their work activities at the time of sampling. The participant’s level of exposure to pesticides will be determined by analyzing the collected urine samples for selected pesticide metabolites. The biomonitoring measurement results will be used to assess the performance of algorithm-based exposure assessment methods used in epidemiological studies to estimate individual exposures during application and re-entry work. Results The project was funded in September 2017. Enrollment and sample collection was completed for Malaysia in 2019 and is on-going for Uganda and the United Kingdom. Sample and data analysis will proceed in 2020 and the first results are expected to be submitted for publication in 2021. Conclusions The study will evaluate the consistency of questionnaire data and accuracy of current algorithms in assessing pesticide exposures. It will indicate where amendments can be made to better capture exposure data for future epidemiology studies and thus improve the reliability of exposure-disease associations. International Registered Report Identifier (IRRID) PRR1-10.2196/16448
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Adomako M, Kamiar A, Alshaikh A, Baines LS, Benson D, Bettcher DW, Cheema B, Corijn L, Fountain E, Gdaniec BG, Garonzik E, Harney M, Jindal RM, Jones K, Kerr D, Mehjabeen D, Vahid NP, Okonetuk E, Pompeu N, Skosana B, Tan S, Thokwane K, Welzel T. Oncopolicy and global health diplomacy in times of rising populism. J Public Health Policy 2020; 41:230-232. [DOI: 10.1057/s41271-019-00213-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Ohlander J, Fuhrimann S, Basinas I, Cherrie JW, Galea KS, Povey AC, van Tongeren M, Harding AH, Jones K, Vermeulen R, Kromhout H. Systematic review of methods used to assess exposure to pesticides in occupational epidemiology studies, 1993-2017. Occup Environ Med 2020; 77:357-367. [PMID: 32098789 PMCID: PMC7279185 DOI: 10.1136/oemed-2019-105880] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 11/01/2019] [Accepted: 11/29/2019] [Indexed: 12/28/2022]
Abstract
Objective Numerous exposure assessment methods (EAM) exist for investigating health effects of occupational exposure to pesticides. Direct (eg, biomonitoring) and indirect methods (eg, self-reported exposures) are however associated with degrees of exposure misclassification. We systematically reviewed EAM in studies of occupational pesticide exposure. Methods We searched for articles reporting observational epidemiological studies in MEDLINE and Embase published 1993 to 2017. The relative frequency of EAM was analysed according to EAM type (direct and indirect methods), health outcome, study design, study location (country) and specificity of assessment. Temporal trends in EAM were analysed. Results In 1298 included articles 1521 EAM occurrences were documented. Indirect EAM (78.3%), primarily self-reported exposures (39.3%) and job titles assessments (9.5%), were mainly applied in case-control studies (95.0%), in high-income countries (85.0%) and in studies of doctor-diagnosed health outcomes (>85%). Direct EAM (20.8%), primarily biomonitoring of blood (15.6%) or urine (4.7%), were predominantly applied in cross-sectional studies (29.8%), in lower middle-income countries (40.9%) and in studies of neurological (50.0%) outcomes. Between 1993 to 2017 no distinct time trends regarding the ratio indirect to direct methods was seen. Within the category of indirect methods use of self-reported exposures and job exposure matrices increased while assessments by job titles and registers decreased. The use of algorithms showed no trend. The specificity of pesticide assessment increased since studies assessing exposure by using job title as a proxy declined. Assessments of type of pesticide increased. Conclusion Over the last 25 years, the ratio (5:1) of indirect to direct EAM applied in articles on occupational pesticide epidemiology stayed relatively constant; changes were mainly attributable to increasing use of self-reported exposures and job exposure matrices. This review, combined with studies assessing EAM validity, will inform on magnitudes of exposure misclassification and help improve the quality of studies on occupational pesticides exposure.
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Millson C, Considine A, Cramp ME, Holt A, Hubscher S, Hutchinson J, Jones K, Leithead J, Masson S, Menon K, Mirza D, Neuberger J, Prasad R, Pratt A, Prentice W, Shepherd L, Simpson K, Thorburn D, Westbrook R, Tripathi D. Adult liver transplantation: UK clinical guideline - part 2: surgery and post-operation. Frontline Gastroenterol 2020; 11:385-396. [PMID: 32879722 PMCID: PMC7447281 DOI: 10.1136/flgastro-2019-101216] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 09/01/2019] [Accepted: 09/30/2019] [Indexed: 02/06/2023] Open
Abstract
Survival rates for patients following liver transplantation exceed 90% at 12 months and approach 70% at 10 years. Part 1 of this guideline has dealt with all aspects of liver transplantation up to the point of placement on the waiting list. Part 2 explains the organ allocation process, organ donation and organ type and how this influences the choice of recipient. After organ allocation, the transplant surgery and the critical early post-operative period are, of necessity, confined to the liver transplant unit. However, patients will eventually return to their referring secondary care centre with a requirement for ongoing supervision. Part 2 of this guideline concerns three key areas of post liver transplantation care for the non-transplant specialist: (1) overseeing immunosuppression, including interactions and adherence; (2) the transplanted organ and how to initiate investigation of organ dysfunction; and (3) careful oversight of other organ systems, including optimising renal function, cardiovascular health and the psychosocial impact. The crucial significance of this holistic approach becomes more obvious as time passes from the transplant, when patients should expect the responsibility for managing the increasing number of non-liver consequences to lie with primary and secondary care.
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Millson C, Considine A, Cramp ME, Holt A, Hubscher S, Hutchinson J, Jones K, Leithead J, Masson S, Menon K, Mirza D, Neuberger J, Prasad R, Pratt A, Prentice W, Shepherd L, Simpson K, Thorburn D, Westbrook R, Tripathi D. Adult liver transplantation: A UK clinical guideline - part 1: pre-operation. Frontline Gastroenterol 2020; 11:375-384. [PMID: 32879721 PMCID: PMC7447286 DOI: 10.1136/flgastro-2019-101215] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 10/07/2019] [Accepted: 10/09/2019] [Indexed: 02/04/2023] Open
Abstract
Liver transplantation is a highly successful treatment for all types of liver failure, some non-liver failure indications and liver cancer. Most referrals come from secondary care. This first part of a two-part guideline outlines who to refer, and how that referral should be made, including patient details and additional issues such as those relevant to alcohol and drug misuse. The process of liver transplant assessment involves the confirmation of the diagnosis and non-reversibility, an evaluation of comorbidities and exclusion of contraindications. Finally, those making it onto the waiting list require monitoring and optimising. Underpinning this process is a need for good communication between patient, their carers, secondary care and the liver transplant service, synchronised by the transplant coordinator. Managing expectation and balancing the uncertainty of organ availability against the inevitable progression of underlying liver disease requires sensitivity and honesty from all healthcare providers and the assessment of palliative care needs is an integral part of this process.
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Kelley WN, Andrews J, Appelt AW, Barber R, Barnett J, Barta L, Bass B, Bone E, Breske L, Bryant HH, Case RA, Coleman K, Cyr R, Dewald SK, Dombroski P, Dubs EL, Feldstein FF, Gay BE, Ginn RE, Gottomoller C, Grant H, Heady J, Hills DG, Jerrod L, Jones K, Kaus C, Lane AL, Leslie JE, Marchette D, Misup M, Morris L, Mullen RN, Payton C, Schmidt J, Schneider D, Share R, Sierck M, Wehr HM, Williams R. Qualitative Ampule and Multitest for Beta-Lactam Residues in Fluid Milk Products: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/65.5.1193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A collaborative study was performed on a rapid Bacillus stearothermophilus agar diffusion ampule method to detect low levels of penicillin G in 7 types of fluid milk products. A multitest technique for processing a large number of samples simultaneously was also studied. Slight modifications were made in the original method to establish more uniformity and to eliminate doubtful responses by specifying a confirmation procedure. Twenty samples spiked with penicillin G (0.000 to 0.008 IU/mL) and tetracycline hydrochloride were frozen and sent to 20 laboratories in the ampule test, and 16 laboratories in the multitest. Each analyst was asked to do a screening run and a confirmation run. Results were reported by color reaction and also as positive or negative for β-lactam inhibitors. The concentrations (penicillin G) where percent positive results equal 100 or not significantly less than 100 (α = 0.05) ranged from 0.005 to 0.007 IU/mi in the ampule test and from 0.004 to 0.007 IU/mL in the multitest. Both techniques have been adopted official first action.
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Charm SE, Chi RK, Bryant H, Carson M, Chu WS, Fraser A, Gruetmacher CF, Hostetler O, Jones K, Kenell L, McQuattie R, O’Neill C, Richwine D, Salimbene J, Smith S, Wallace C, Yokote R. Rapid Screening Assay for Beta-Lactam Antibiotics in Milk: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/65.5.1186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A 15 min assay for beta-lactam antibiotics has been used by dairies for several years as a screening procedure for testing milk tankers before they unload. The test is based on a competition between 14C-penicillin and beta-lactam antibiotics in the milk samples for sites on a microbial cell wall that specifically binds beta-lactam. In a collaborative study, 11 laboratories correctly distinguished 10 coded zero penicillin G samples and 10 coded 0.01 IU/mL samples. The proposed test is qualitative, positive or negative, and can detect the presence of beta-lactam antibiotics at the 0.01 IU/mL level. The control point for determining positive or negative samples is more than 3 standard deviations from the mean of 0.01 IU/mL. The method has been adopted official first action.
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Tan MP, Harris V, Warren-Oseni K, McDonald F, McNair H, Taylor H, Hansen V, Sharabiani M, Thomas K, Jones K, Dearnaley D, Hafeez S, Huddart RA. The Intensity-Modulated Pelvic Node and Bladder Radiotherapy (IMPART) Trial: A Phase II Single-Centre Prospective Study. Clin Oncol (R Coll Radiol) 2020; 32:93-100. [PMID: 31400946 PMCID: PMC6966321 DOI: 10.1016/j.clon.2019.07.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/24/2019] [Accepted: 06/25/2019] [Indexed: 11/20/2022]
Abstract
AIMS Node-positive bladder cancer (NPBC) carries a poor prognosis and has traditionally been treated palliatively. However, surgical series suggest that a subset of NPBC patients can achieve long-term control after cystectomy and lymph node dissection. There is little published data regarding the use of radiotherapy to treat NPBC patients. This is in part due to concerns regarding the toxicity of whole-pelvis radiotherapy using conventional techniques. We hypothesised that, using intensity-modulated radiotherapy (IMRT), the pelvic nodes and bladder could be treated within a radical treatment volume with acceptable toxicity profiles. MATERIALS AND METHODS The Intensity-modulated Pelvic Node and Bladder Radiotherapy (IMPART) trial was a phase II single-centre prospective study designed to assess the feasibility of delivering IMRT to treat the bladder and pelvic nodes in patients with node-positive or high-risk node-negative bladder cancer (NNBC). The primary end point was meeting predetermined dose constraints. Secondary end points included acute and late toxicity, pelvic relapse-free survival and overall survival. RESULTS In total, 38 patients were recruited and treated between June 2009 and November 2012; 22/38 (58%) had NPBC; 31/38 (81.6%) received neoadjuvant chemotherapy; 18/38 (47%) received concurrent chemotherapy; 37/38 (97%) patients had radiotherapy planned as per protocol. Grade 3 gastrointestinal and genitourinary acute toxicity rates were 5.4 and 20.6%, respectively. At 1 year, the grade 3 late toxicity rate was 5%; 1-, 2- and 5-year pelvic relapse-free survival rates were 55, 37 and 26%, respectively. The median overall survival was 1.9 years (95% confidence interval 1.1-3.8) with 1-, 2- and 5-year overall survival rates of 68, 50 and 34%, respectively. CONCLUSION Delivering IMRT to the bladder and pelvic nodes in NPBC and high-risk NNBC is feasible, with low toxicity and low pelvic nodal recurrence rates. Long-term control seems to be achievable in a subset of patients. However, relapse patterns suggest that strategies targeting both local recurrence and the development of distant metastases are required to improve patient outcomes.
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Green B, Jones K, Lyerla R, Dyar W, Skidmore M. Stigma and behavioral health literacy among individuals with proximity to mental health or substance use conditions. J Ment Health 2020; 30:481-487. [PMID: 31950857 DOI: 10.1080/09638237.2020.1713998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Stigma reduction has been identified as a key public health strategy to increase enrollment in behavioral health services. As our understanding about stigma reduction has become more sophisticated, there has been an increased recognition that efforts to reduce stigma must engage the complex relationships between stigma, literacy, and contact with others who have a behavioral health condition. AIMS The goal of this project was to improve understanding about the relationships between behavioral health literacy, stigma, and contact to inform efforts to increase public behavioral health literacy and decrease stigma. Specifically, this project explored how the structure of these relationships varied for different substance use and mental health conditions. METHOD Structural equation modeling was used to depict relationships with data from a nationally-representative survey on behavioral health literacy and stigma. RESULTS The impact of prior contact and literacy on stigma varied by behavioral health condition. CONCLUSIONS Stigma reduction efforts will be most successful when they match the level of literacy and prior contact with the condition among the target audience for stigma reduction efforts.
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Kempton H, Jones K, Carroll J, Meredith T, Kearney K, Arriagada A, Bart N, Baron D, Muller D, Roy D. 855 Methods of Vascular Access for Transcatheter Aortic Valve Implantation (TAVI) at an Australian Centre. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jones K, Zhao R, Yoshikawa Y, Patel K, Patel J, Thomas W, Reichelt M. 038 Examining the Effects of ErbB4 Deletion on Cardiomyocytes and Cardiac Endothelium in Neonatal Mice. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Conte S, Kempton H, Carroll J, Jones K, Kearney K, Evans D, Roy A, Baron D, Muller D, Roy D. 877 Requirements for Surgical Bailout Following Transcatheter Aortic Valve Implantation. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Meredith T, Kearney K, Carroll J, Kempton H, Jones K, Bart N, Roy D, Muller D. 815 Demographics and Outcomes of Transcatheter Aortic Valve Implantation (TAVI) in Renal Dialysis Patients: A Retrospective Study. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Amiss E, Stewart JW, Negrón-Pérez VM, Jones K, Haines H, Rhoads ML, Lima FS, Stewart JL. 117 Supplementation of IVF medium with nerve growth factor improved bovine embryonic cleavage rates during summer months. Reprod Fertil Dev 2020. [DOI: 10.1071/rdv32n2ab117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Nerve growth factor-β (NGF), a protein originally associated with regulation of neuron development, has been found to play a role in the reproductive system of mammals. Previous research showed that administration of NGF to cows resulted in enhanced conceptus development. Although these effects were speculated to be a result of improved corpus luteum function, whether NGF could act directly on the embryo remained undetermined. Therefore, the direct effects of NGF on fertilization and embryo development warrant investigation to see whether it can be used as a novel tool to improve cleavage and blastocyst rates when producing embryos via IVF during periods of suboptimal oocyte quality, such as with heat stress. The objective of this study was to explore how supplementation of NGF, purified from bull seminal plasma, during IVF may directly affect embryo development in oocytes harvested in the summer. Abattoir-derived bovine ovaries were used for recovery of cumulus-oocyte complexes (COCs) over eight replicates through May and June. On Day −1, COCs were collected and matured for 20h in oocyte maturation medium incubated at 38.5°C. On Day 0, matured oocytes were added to a solution of IVF-Tyrode's albumin lactate pyruvate (TALP) and either phosphate-buffered saline (PBS; control) or 100ngmL−1 NGF. Pooled frozen-thawed semen from two different bulls per replicate were added to the IVF solutions and incubated with COCs for 20h at 38.5°C in a humidified atmosphere of 5% CO2. On Day 1, zygotes were washed in HEPES-TALP, and cumulus cells were removed using 1% hyaluronidase. The zygotes were plated in synthetic oviductal fluid (SOF-BE2) culture medium and incubated at 38.5°C in a tri-gas chamber (5% CO2, 5% O2, and balanced N2). Cleavage rates were recorded at 24 and 48h, calculated by dividing the number of cleaved embryos by the total zygote count. Embryos were incubated until Day 8, when the rate of blastocysts was assessed. This study found that the treatment of IVF medium with NGF increased the cleavage rate of embryos after 48h (Control: 59%; NGF: 66%; P=0.04) and the hatched blastocyst percentage per oocyte on Day 8 (Control: 6.7%; NGF: 9.4%; P=0.01). The treatment did not affect the percentage of blastocysts per cleaved embryos (Control: 21%; NGF: 22%; P=0.16) or the hatched blastocyst rate at Day 8 (Control: 53%; NGF: 55%; P=0.67). These results show that NGF can act directly on the oocyte during fertilization to alter subsequent development, specifically through increased embryonic cleavage rates. Further studies are needed to assess different dosages of NGF in order to mitigate the detrimental effects of heat stress on oocyte competence for use in IVF. Follow-up studies using a whole-animal model are needed to understand the clinical relevance of these findings in the ability of embryos to promote maternal recognition of pregnancy.
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Kearney K, Kempton H, Jones K, Carroll J, Meredith T, Bart N, Arrigiada A, Baron D, Muller D, Roy D. 828 Factors Influencing Periprocedural Stroke at the Time of Transcatheter Aortic Valve Implantation in the Era of Cerebral Protection. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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