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Fraser M, Barnes SG, Barsness C, Beavers C, Bither CJ, Boettger S, Hallman C, Keleman A, Leckliter L, McIlvennan CK, Ozemek C, Patel A, Pierson NW, Shakowski C, Thomas SC, Whitmire T, Anderson KM. Corrigendum to: "Nursing Care of the Patient Hospitalized with Heart Failure: Executive Summary: A Scientific Statement from the American Association of Heart Failure Nurses" [Heart Lung. 64(2024).A1-A5/doi:10.1016/j.hrtlng.2024.01.008. Epub 2024 Feb 7]. Heart Lung 2024; 66:46. [PMID: 38579626 DOI: 10.1016/j.hrtlng.2024.03.009] [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: 04/07/2024]
Affiliation(s)
- Meg Fraser
- University of Minnesota MHealth Physicians.
| | | | | | | | | | | | - Christine Hallman
- MedStar Washington Section of Palliative Care, Department of Medicine
| | - Anne Keleman
- MedStar Washington Section of Palliative Care, Department of Medicine
| | | | | | - Cemal Ozemek
- University of Illinois at Chicago, Cardiac Rehabilitation, College of Applied Health Sciences
| | - Amit Patel
- Ascension St. Vincent Medical Group Cardiology
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Fraser M, Barnes SG, Barsness C, Beavers C, Bither CJ, Boettger S, Hallman C, Keleman A, Leckliter L, McIlvennan CK, Ozemek C, Patel A, Pierson NW, Shakowski C, Thomas SC, Whitmire T, Anderson KM. Nursing care of the patient hospitalized with heart failure: Executive summary: A Scientific statement from the American association of heart failure nurses. Heart Lung 2024; 64:A1-A5. [PMID: 38331691 DOI: 10.1016/j.hrtlng.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Affiliation(s)
- Meg Fraser
- University of Minnesota MHealth Physicians, Minneapolis, MN, US.
| | | | | | - Craig Beavers
- University of Kentucky College of Pharmacy, Lexington, KY, US
| | | | | | - Christine Hallman
- MedStar Washington Section of Palliative Care, Department of Medicine, Washington, DC, US
| | - Anne Keleman
- MedStar Washington Section of Palliative Care, Department of Medicine, Washington, DC, US
| | | | | | - Cemal Ozemek
- University of Illinois at Chicago, Cardiac Rehabilitation, College of Applied Health Sciences, Chicago, IL, US
| | - Amit Patel
- Ascension St. Vincent Medical Group Cardiology, Indianapolis, IN, US
| | - Natalie W Pierson
- University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, US
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Fraser M, Barnes SG, Barsness C, Beavers C, Bither CJ, Boettger S, Hallman C, Keleman A, Leckliter L, McIlvennan CK, Ozemek C, Patel A, Pierson NW, Shakowski C, Thomas SC, Whitmire T, Anderson KM. Nursing care of the patient hospitalized with heart failure: A scientific statement from the American Association of Heart Failure Nurses. Heart Lung 2024; 64:e1-e16. [PMID: 38355358 DOI: 10.1016/j.hrtlng.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Affiliation(s)
- Meg Fraser
- University of Minnesota MHealth Physicians, Minneapolis, MN, USA.
| | | | | | - Craig Beavers
- University of Kentucky College of Pharmacy, Lexington, KY, USA
| | | | | | | | - Anne Keleman
- MedStar Washington Section of Palliative Care, Washington, DC, USA
| | | | | | - Cemal Ozemek
- University of Illinois at Chicago, Cardiac Rehabilitation, College of Applied Health Sciences, Chicago, IL, USA
| | - Amit Patel
- Ascension St. Vincent Medical Group Cardiology, Indianapolis, IN, USA
| | - Natalie W Pierson
- University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
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Fraser M, Agdamag AC, Riad S, Nzemenoh BN, Jackson S, Money J, Knoper R, Martin CM, Alexy T. Survival After Simultaneous Heart-kidney Transplant in Recipients With a Durable LVAD and Chronic Kidney Disease: Effect of the 2018 Heart Allocation Policy Change. Transplantation 2024; 108:524-529. [PMID: 37677944 DOI: 10.1097/tp.0000000000004781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
BACKGROUND Heart transplantation remains the most definitive therapy for qualified candidates with end-stage heart failure. Concomitant kidney disease is common in this population prompting an increase in simultaneous heart-kidney (SHK) transplantation in recent years. The goal of our study was to explore the effects of the 2018 heart allocation policy (HAP) change on candidate listing characteristics and compare survival rates at 1 y in patients that were supported with a left ventricular assist device (LVAD) pretransplant and underwent SHK or heart alone transplant (HAT). METHODS We used data from the Scientific Registry of Transplant Recipients and identified all adults who underwent primary SHK or HAT between January 2010 and March 2022. Recipients supported with a durable LVAD and estimated glomerular filtration rate <60 mL/min/1.73 m 2 were selected (n = 309 SHK; 217 pre- and 92 post-HAP and n = 3,324 HAT; 2738 pre- and 586 post-HAP). RESULTS Difference in survival at 1 y did not reach statistical significance. Comparing the 1-y survival of SHK and HAT recipients who were bridged with LVAD pre-HAP, we found no significant difference ( P = 0.694). Adjusting for the same covariates in a multivariable model did not affect the results (SHK versus HAT hazard ratio 0.84 [0.51, 1.37]; P = 0.48). In contrast, SHK recipients supported with an LVAD who were listed and transplanted post-HAP change had significantly lower 1-y survival, when compared with HAT ( P = 0.037). CONCLUSIONS Our findings suggest that the HAP change had a potentially negative impact on the survival of select patients undergoing SHK transplant. Further research is warranted in this area.
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Affiliation(s)
- Meg Fraser
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Arianne C Agdamag
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Samy Riad
- Division of Nephrology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | | | - Scott Jackson
- Analytics Consulting Services, MHealth Fairview, Minneapolis, MN
| | - Joel Money
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Ryan Knoper
- Division of Cardiothoracic Surgery, Department of Surgery, University of Minnesota, Minneapolis, MN
| | - Cindy M Martin
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Tamas Alexy
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
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Fraser M, Page RL, Chow S, Alexy T, Peters L. Pharmacotherapy in the heart transplant recipient: A primer for nurse clinicians and pharmacists. Clin Transplant 2024; 38:e15252. [PMID: 38341767 DOI: 10.1111/ctr.15252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/02/2024] [Accepted: 01/17/2024] [Indexed: 02/13/2024]
Abstract
Heart transplantation (HT) is the definitive treatment for eligible patients with end-stage heart disease. A major complication of HT is allograft rejection which can lead to graft dysfunction and death. The guiding principle of chronic immunosuppression therapy is to prevent rejection of the transplanted organ while avoiding oversuppression of the immune system, which can cause opportunistic infections and malignancy. The purpose of this review is to describe immunosuppressive management of the HT recipient-including agent-specific pharmacology and pharmacokinetics, outcomes data, adverse effects, clinical considerations, and recent guideline updates. We will also provide recommendations for medical prophylaxis of immunosuppressed patients based on the most recent clinical guidelines. Additionally, we highlight the importance of medical therapy adherence and the effect of social determinants of health on the long-term management of HT. HT recipients are a complex and high-risk population. The objective of this review is to describe basic pharmacotherapy in HT and implications for nurses and pharmacists.
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Affiliation(s)
- Meg Fraser
- Division of Cardiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Robert L Page
- Division of Cardiology, University of Colorado School of Medicine, Aurora, Colorado, USA
- Department of Clinical Pharmacy, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, Colorado, USA
| | - Sheryl Chow
- Department of Pharmacy Practice and Administration, Western University of Health Sciences, Pomona, California, USA
- Department of Medicine, University of California, Irvine, USA
| | - Tamas Alexy
- Division of Cardiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Laura Peters
- Division of Cardiology, University of Colorado School of Medicine, Aurora, Colorado, USA
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Chitti BS, Fraser M, Cooper DJ, Wint A, Seetharamu N, Ghaly M. Impact of Dosimetric Parameters on Local Control and Toxicity of Head and Neck SBRT. Int J Radiat Oncol Biol Phys 2023; 117:e572-e573. [PMID: 37785745 DOI: 10.1016/j.ijrobp.2023.06.1904] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) SBRT is potentially useful as a local therapy for head and neck cancer patients who require re-irradiation, as well as those who may not be candidates for surgical resection or a lengthy course of conventionally fractionated radiation therapy. The objective of this study was to assess rates of local control with SBRT, as well as the impact of mucosal dosimetric parameters on rates of grade 3 or higher toxicity in patients treated with head and neck SBRT. MATERIALS/METHODS We retrospectively reviewed patients within our institution who underwent SBRT for cancers of the oral cavity and oropharynx between 2013 and 2022. Primary endpoints were local control (LC) and grade 3 or higher toxicity potentially attributable to SBRT, based on CTCAE 5.0. We analyzed the following endpoints as potential predictors of toxicity: 1) ratio of total oral mucosal volume/oral mucosal volume outside of PTV, 2) mean dose to oral mucosa, and 3) maximum dose to oral mucosa. We conducted regression analysis to determine predictors of local failure and severe toxicity. We estimated local control using Kaplan-Meier analysis. RESULTS We treated 66 tumors in 60 patients with a median age of 71 years. 41 patients (68.3%) had oral cavity cancer and 19 (31.6%) had oropharynx cancer. 64 tumors (97.0%) were squamous cell carcinomas. 32 tumors (48.5%) were previously irradiated. Mean PTV volume was 55 cc (range: 39.4-74.1 ccs). Median prescribed radiation dose was 40 Gy given in 5 biweekly fractions. A total of 51 patients received systemic therapy (platinum-based chemotherapy in 52%, Cetuximab in 38%). 10 patients (16.7%) additionally received immunotherapy, constituting 56% of 18 patients treated from 2019-2022. Median pain score at presentation was 3/10. Oral pain non-significantly increased between 3 weeks and 3 months after starting treatment and subsequently returned to baseline after SBRT (P = 0.227). Local control was 68.5%, at a median follow up of 9.8 months. In oral cavity tumors, 1- and 2-year local control rates were 78.7% and 43.1% respectively. 1- and 2-year rates of LC were 78.9% and 50.2% in oropharynx tumors. Grade 3 or higher toxicities were present in 18 patients (30.0%), including osteonecrosis in 6 (10.0%) and ulceration or extensive tissue necrosis in 12 (20.0%). No significant relationship was present between mucosal surface radiation doses and acute oral mucosa toxicity. On regression analysis for both local control and grade 3 or higher toxicity, we did not find any significant association with prior radiation, disease site, age, or PTV volume. CONCLUSION SBRT provided comparable local control for tumors of the oropharynx and oral cavity, with slightly higher 2-year local control in tumors of the oropharynx, and comparable rates of toxicity. We appreciated increased use of immunotherapy in our study population from 2019 onwards. We did not find any relationships between dosimetric parameters and rates of grade 3 or higher toxicity, or local control, though our analysis is limited by a small sample size.
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Affiliation(s)
- B S Chitti
- Northwell Health Cancer Institute, Lake Success, NY
| | - M Fraser
- Northwell Health Cancer Institute, Lake Success, NY
| | - D J Cooper
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY
| | - A Wint
- Northwell Health Cancer Institute, Lake Success, NY
| | | | - M Ghaly
- Department of Radiation Medicine, Northwell Health Cancer Institute, Lake Success, NY
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Fraser M, McIlvennan CK, Joseph N, Alexy T. From the Other Side of the Exam Room: Using the New Universal Definition and Classification of Heart Failure to Engage Patients and Caregivers. J Card Fail 2023; 29:1338-1339. [PMID: 35158024 DOI: 10.1016/j.cardfail.2022.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 01/29/2022] [Indexed: 11/22/2022]
Affiliation(s)
- Meg Fraser
- University of Minnesota, Minneapolis, Minnesota
| | | | | | - Tamas Alexy
- University of Minnesota, Minneapolis, Minnesota.
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Kittleson MM, Sharma K, Brennan DC, Cheng XS, Chow SL, Colvin M, DeVore AD, Dunlay SM, Fraser M, Garonzik-Wang J, Khazanie P, Korenblat KM, Pham DT. Dual-Organ Transplantation: Indications, Evaluation, and Outcomes for Heart-Kidney and Heart-Liver Transplantation: A Scientific Statement From the American Heart Association. Circulation 2023; 148:622-636. [PMID: 37439224 DOI: 10.1161/cir.0000000000001155] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Although heart transplantation is the preferred therapy for appropriate patients with advanced heart failure, the presence of concomitant renal or hepatic dysfunction can pose a barrier to isolated heart transplantation. Because donor organ supply limits the availability of organ transplantation, appropriate allocation of this scarce resource is essential; thus, clear guidance for simultaneous heart-kidney transplantation and simultaneous heart-liver transplantation is urgently required. The purposes of this scientific statement are (1) to describe the impact of pretransplantation renal and hepatic dysfunction on posttransplantation outcomes; (2) to discuss the assessment of pretransplantation renal and hepatic dysfunction; (3) to provide an approach to patient selection for simultaneous heart-kidney transplantation and simultaneous heart-liver transplantation and posttransplantation management; and (4) to explore the ethics of multiorgan transplantation.
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Agdamag AC, Riad S, Maharaj V, Jackson S, Fraser M, Charpentier V, Nzemenoh B, Martin CM, Alexy T. Temporary Mechanical Circulatory Support Use and Clinical Outcomes of Simultaneous Heart/Kidney Transplant Recipients in the Pre- and Post-heart Allocation Policy Change Eras. Transplantation 2023; 107:1605-1614. [PMID: 36706061 DOI: 10.1097/tp.0000000000004518] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND The use of temporary mechanical circulatory support (tMCS) devices (intra-aortic balloon pump; Impella 2.5, CP, 5.0; venoarterial extracorporeal membrane oxygenation) increased significantly across the United States for heart transplant candidates after the allocation policy change. Whether this practice change also affected simultaneous heart-kidney (SHK) candidates and recipient survival is understudied. METHODS We used the Scientific Registry of Transplant Recipients database to identify adult SHK recipients between January 2010 and March 2022. The population was stratified into pre- and post-heart allocation change cohorts. Kaplan-Meier curves were generated to compare 1-y survival rates. A Cox proportional hazards model was used to investigate the effect of allocation period on patient survival. Recipient outcomes bridged with eligible tMCS devices were compared in the post-heart allocation era. In a separate analysis, SHK waitlist mortality was evaluated between the allocation eras. RESULTS A total of 1548 SHK recipients were identified, and 1102 were included in the final cohort (534 pre-allocation and 568 post-allocation change). tMCS utilization increased from 17.9% to 51.6% after the allocation change, with venoarterial extracorporeal membrane oxygenation use rising most significantly. However, 1-y post-SHK survival remained unchanged in the full cohort (log-rank P = 0.154) and those supported with any of the eligible tMCS devices. In a separate analysis (using a larger cohort of all SHK listings), SHK waitlist mortality at 1 y was significantly lower in the current allocation era ( P = 0.002). CONCLUSIONS Despite the remarkable increase in tMCS use in SHK candidates after the heart allocation change, 1 y posttransplant survival remained unchanged. Further studies with larger cohorts and longer follow-ups are needed to confirm these findings.
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Affiliation(s)
- Arianne C Agdamag
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Samy Riad
- Division of Nephrology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Valmiki Maharaj
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Scott Jackson
- Complex Care Analytics, Fairview Health Services, Minneapolis, MN
| | - Meg Fraser
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | | | - Bellony Nzemenoh
- Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Cindy M Martin
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Tamas Alexy
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN
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Fraser M, Nzemenoh B, Jackson S, Chaikijurajai T, Halmosi R, Toth K, Khan WJ, Alexy T. Substance Use-Associated Mortality among Heart Donors after the COVID-19 National Emergency Increased but Did Not Affect Peri-Transplant Outcomes. J Cardiovasc Dev Dis 2023; 10:jcdd10050222. [PMID: 37233189 DOI: 10.3390/jcdd10050222] [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: 04/20/2023] [Revised: 05/07/2023] [Accepted: 05/18/2023] [Indexed: 05/27/2023] Open
Abstract
INTRODUCTION The COVID-19 pandemic and consequent social isolation prompted a surge in mental health disorders and substance use in the general population and, therefore, in potential organ donors. We aimed to evaluate if this led to a change in donor characteristics, including the mechanism and circumstance of death, and how this may have affected clinical outcomes following heart transplantation. METHODS We identified all heart donors from the SRTR database between 18 October 2018 and 31 December 2021, excluding those who donated immediately after the US national emergency declaration. Donors were stratified into pre-COVID-19 (Pre-Cov; through 12 March 2020) and post-COVID-19 national emergency declaration cohorts (Post-Cov; 1 August 2020 through 31 December 2021) based on the heart procurement date. Relevant demographics, cause of death, and substance use history were collected in addition to graft cold ischemic time, the incidence of primary graft dysfunction (PGD), and recipient survival at 30 days post-transplant. RESULTS A total of 10,314 heart donors were identified; 4941 were stratified into the Pre-Cov and 5373 into the Post-Cov cohorts. There was no difference in demographics, but illicit drug use was significantly higher in the Post-Cov group, leading to an increased incidence of death from drug intoxication. Fatal gunshot wounds were also more common. Despite these changes, the incidence of PGD remained similar (p = 0.371), and there was no difference in 30 days recipient survival (p = 0.545). CONCLUSION Our findings confirm that COVID-19 had a major impact on mental health and psychosocial life with an associated increase in illicit substance use and fatal intoxication rates in heart transplant donors. These changes did not alter peri-operative mortality following heart transplantation. Future studies are needed to ensure that long-term outcomes remain unaffected.
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Affiliation(s)
- Meg Fraser
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Bellony Nzemenoh
- Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA
| | - Scott Jackson
- Analytics Consulting Services, MHealth Fairview, Minneapolis, MN 55455, USA
| | | | - Robert Halmosi
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary
| | - Kalman Toth
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary
| | - Wahab J Khan
- Department of Medicine, Avera Health, Sioux Falls, SD 57105, USA
| | - Tamas Alexy
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA
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Maharaj V, Agdamag AC, Duval S, Edmiston J, Charpentier V, Fraser M, Hall A, Schultz J, John R, Shaffer A, Martin CM, Thenappan T, Francis GS, Cogswell R, Alexy T. Hypotension on cardiopulmonary stress test predicts 90 day mortality after LVAD implantation in INTERMACS 3-6 patients. ESC Heart Fail 2022; 9:3496-3504. [PMID: 35883259 DOI: 10.1002/ehf2.14099] [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: 12/08/2021] [Revised: 06/04/2022] [Accepted: 07/20/2022] [Indexed: 11/10/2022] Open
Abstract
AIMS Cardiopulmonary stress test (CPX) is routinely performed when evaluating patient candidacy for left ventricular assist device (LVAD) implantation. The predictive value of hypotensive systolic blood pressure (SBP) response during CPX on clinical outcomes is unknown. This study aims to determine the effect of hypotensive SBP response during to clinical outcomes among patients who underwent LVAD implantation. METHODS AND RESULTS This was a retrospective single center study enrolling consecutive patients implanted with a continuous flow LVAD between 2011 and 2022. Hypotensive SBP response was defined as peak exercise SBP below the resting value. Multivariable Cox-regression analysis was performed to evaluate the relationship between hypotensive SBP response and all-cause mortality within 30 and 90 days of LVAD implantation. A subgroup analysis was performed for patients implanted with a HeartMate III (HM III) device. Four hundred thirty-two patients underwent LVAD implantation during the pre-defined period and 156 with INTERMACS profiles 3-6 met our inclusion criteria. The median age was 63 years (IQR 54-69), and 52% had ischaemic cardiomyopathy. Hypotensive SBP response was present in 35% of patients and was associated with increased 90 day all-cause mortality (unadjusted HR 9.16, 95% CI 1.98-42; P = 0.0046). Hazard ratio remained significant after adjusting for age, INTERMACS profile, serum creatinine, and total bilirubin. Findings were similar in the HM III subgroup. CONCLUSIONS Hypotensive SBP response on pre-LVAD CPX is associated with increased perioperative and 90 day mortality after LVAD implantation. Additional studies are needed to determine the mechanism of increased mortality observed.
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Affiliation(s)
- Valmiki Maharaj
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Arianne C Agdamag
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Sue Duval
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Jonathan Edmiston
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | | | - Meg Fraser
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Alexandra Hall
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Jessica Schultz
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Ranjit John
- Division of Cardiothoracic Surgery, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Andrew Shaffer
- Division of Cardiothoracic Surgery, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Cindy M Martin
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Thenappan Thenappan
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Gary S Francis
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Rebecca Cogswell
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Tamas Alexy
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
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Mutschler M, Fraser M, Alexy T. Horse, Donkey, Or Zebra: Delayed Diagnosis Of Giant Cell Myocarditis. J Card Fail 2022. [DOI: 10.1016/j.cardfail.2022.03.335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fraser M, Agdamag ACC, Maharaj VR, Mutschler M, Charpentier V, Chowdhury M, Alexy T. COVID-19-Associated Myocarditis: An Evolving Concern in Cardiology and Beyond. Biology (Basel) 2022; 11:biology11040520. [PMID: 35453718 PMCID: PMC9025425 DOI: 10.3390/biology11040520] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 01/08/2023]
Abstract
Simple Summary Coronavirus disease-2019 (COVID-19) affects many organs in the body, including the heart. One complication of particular concern is inflammation of the heart muscle, called myocarditis. This paper presents updated research data on COVID-19-associated myocarditis. Specifically, we review the incidence, potential mechanisms, blood and imaging tests that can be used to detect the disease. We emphasize that, in contrast with early reports, recent data suggest that myocarditis in the setting of COVID-19 is relatively uncommon, yet infected individuals are at a substantially increased risk for poor outcomes. It is important to continue research in this area. Abstract The direct and indirect adverse effects of SARS-CoV-2 infection on the cardiovascular system, including myocarditis, are of paramount importance. These not only affect the disease course but also determine clinical outcomes and recovery. In this review, the authors aimed at providing an update on the incidence of Coronavirus disease-2019 (COVID-19)-associated myocarditis. Our knowledge and experience relevant to this area continues to evolve rapidly since the beginning of the pandemic. It is crucial for the scientific and medical community to stay abreast of current information. Contrasting early reports, recent data suggest that the overall incidence of SARS-CoV-2-associated myocarditis is relatively low, yet infected individuals are at a substantially increased risk. Therefore, understanding the pathophysiology and diagnostic evaluation, including the use of serum biomarkers and imaging modalities, remain important. This review aims to summarize the most recent data in these areas as they relate to COVID-19-associated myocarditis. Given its increasing relevance, a brief update is included on the proposed mechanisms of myocarditis in COVID-19 vaccine recipients.
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Affiliation(s)
- Meg Fraser
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA; (M.F.); (A.C.C.A.); (V.R.M.); (M.M.)
| | - Arianne Clare C. Agdamag
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA; (M.F.); (A.C.C.A.); (V.R.M.); (M.M.)
| | - Valmiki R. Maharaj
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA; (M.F.); (A.C.C.A.); (V.R.M.); (M.M.)
| | - Melinda Mutschler
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA; (M.F.); (A.C.C.A.); (V.R.M.); (M.M.)
| | | | | | - Tamas Alexy
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA; (M.F.); (A.C.C.A.); (V.R.M.); (M.M.)
- Correspondence: ; Tel.: +1-612-625-9100
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Shah H, Fraser M, Agdamag AC, Maharaj V, Nzemenoh B, Martin CM, Alexy T, Garry DJ. Cardiac Transplantation and the Use of Cannabis. Life (Basel) 2021; 11:life11101063. [PMID: 34685434 PMCID: PMC8539629 DOI: 10.3390/life11101063] [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: 09/01/2021] [Revised: 09/30/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022] Open
Abstract
Cardiac transplantation requires the careful allocation of a limited number of precious organs. Therefore, it is critical to select candidates that will receive the greatest anticipated medical benefit but will also serve as the best stewards of the organ. Individual transplant teams have established prerequisites pertaining to recreational drug, tobacco, alcohol, and controlled substance use in potential organ recipients and post-transplantation. Legalization of cannabis and implementation of its prescription-based use for the management of patients with chronic conditions have been increasing over the past years. Center requirements regarding abstinence from recreational and medical cannabis use vary due to rapidly changing state regulations, as well as the lack of clinical safety data in this population. This is evident by the results of the multicenter survey presented in this paper. Developing uniform guidelines around cannabis use will be imperative not only for providers but also for patients.
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Affiliation(s)
- Hirak Shah
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Meg Fraser
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Arianne C. Agdamag
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Valmiki Maharaj
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Bellony Nzemenoh
- Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Cindy M. Martin
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Tamas Alexy
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
- Correspondence: (T.A.); (D.J.G.)
| | - Daniel J. Garry
- Lillehei Heart Institute and Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (H.S.); (A.C.A.); (V.M.); (C.M.M.)
- Advanced Heart Failure Program, Mechanical Circulatory Support Service and Cardiac Transplant Program, University of Minnesota, Minneapolis, MN 55455, USA;
- Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN 55455, USA
- Correspondence: (T.A.); (D.J.G.)
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15
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Foucal A, Livingstone J, Salcedo A, Kuk C, Fraser M, Pushkar D, Govorov A, Kovylina M, Bristow R, Fleshner N, Van Der Kwast T, Zlotta A, Boutros P. The genomic landscape of unsuspected, incidentally detected Gleason 7 prostate cancer found on autopsy. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01392-0] [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]
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16
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El Rafei A, Schultz J, Masotti M, Maharaj V, Fraser M, Mutschler M, Martin C, Alexy T, Kamdar F, Knoper R, Shaffer A, John R, Cogswell R. Risk Factors and Clinical Significance of Vasoplegia after LVAD Implantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1123] [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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17
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Cogswell R, Masotti M, Schultz J, Maharaj V, El Rafei A, Fraser M, Mutschler M, Martin C, Thenappan T, Pritzker M, Knoper R, John R, Shaffer A. A New Hemodynamic Profile Signaling Early Death on Left Ventricular Assist Device. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.506] [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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18
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Agdamag ACC, Edmiston JB, Charpentier V, Chowdhury M, Fraser M, Maharaj VR, Francis GS, Alexy T. Update on COVID-19 Myocarditis. Medicina (Kaunas) 2020; 56:E678. [PMID: 33317101 PMCID: PMC7764165 DOI: 10.3390/medicina56120678] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 02/06/2023]
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) gained worldwide attention at the end of 2019 when it was identified to cause severe respiratory distress syndrome. While it primarily affects the respiratory system, we now have evidence that it affects multiple organ systems in the human body. Cardiac manifestations may include myocarditis, life threatening arrhythmias, acute coronary syndrome, systolic heart failure, and cardiogenic shock. Myocarditis is increasingly recognized as a complication of Coronavirus-19 (COVID-19) and may result from direct viral injury or from exaggerated host immune response. The diagnosis is established similar to other etiologies, and is based on detailed history, clinical exam, laboratory findings and non-invasive imaging studies. When available, cardiac MRI is the preferred imaging modality. Endomyocardial biopsy may be performed if the diagnosis remains uncertain. Current management is mainly supportive with the potential addition of interventions recommended for severe COVID-19 disease, such as remdesivir, steroids, and convalescent plasma. In the setting of cardiogenic shock and refractory, life-threatening arrhythmias that persist despite medical therapy, advanced mechanical circulatory support devices should be considered. Ultimately, early recognition and aggressive intervention are key factors in reducing morbidity and mortality. Our management strategy is expected to evolve further as we learn more about COVID-19 disease and the associated cardiac complications.
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Affiliation(s)
- Arianne Clare C. Agdamag
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (A.C.C.A.); (M.F.); (V.R.M.); (G.S.F.)
| | - Jonathan B. Edmiston
- Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (J.B.E.); (V.C.)
| | - Victoria Charpentier
- Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (J.B.E.); (V.C.)
| | | | - Meg Fraser
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (A.C.C.A.); (M.F.); (V.R.M.); (G.S.F.)
| | - Valmiki R. Maharaj
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (A.C.C.A.); (M.F.); (V.R.M.); (G.S.F.)
| | - Gary S. Francis
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (A.C.C.A.); (M.F.); (V.R.M.); (G.S.F.)
| | - Tamas Alexy
- Division of Cardiology, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (A.C.C.A.); (M.F.); (V.R.M.); (G.S.F.)
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19
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Francis G, Chowdhury M, Maharaj V, Alexy T, Fraser M. COVID cardiomyopathy: Is it time to involve the cardiologists? Indian J Med Res 2020; 152:169-171. [PMID: 33107477 PMCID: PMC7881815 DOI: 10.4103/ijmr.ijmr_3760_20] [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: 11/24/2022] Open
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20
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Al-Taleb MKH, Purcell M, Fraser M, Petric-Gray N, Vuckovic A. Home used, patient self-managed, brain-computer interface for the management of central neuropathic pain post spinal cord injury: usability study. J Neuroeng Rehabil 2019; 16:128. [PMID: 31666096 PMCID: PMC6822418 DOI: 10.1186/s12984-019-0588-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Accepted: 09/06/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Central Neuropathic Pain (CNP) is a frequent chronic condition in people with spinal cord injury (SCI). Previously, we showed that using laboratory brain-computer interface (BCI) technology for neurofeedback (NFB) training, it was possible to reduce CNP in people with SCI. In this study, we show results of patient self-managed treatment in their homes with a BCI-NFB using a consumer EEG device. METHODS Users: People with chronic SCI (17 M, 3 F, 50.6 ± 14.1 years old), and CNP ≥4 on a Visual Numerical Scale. LOCATION Laboratory training (up to 4 sessions) followed by home self-managed NFB. User Activity: Upregulating the EEG alpha band power by 10% above a threshold and at the same time downregulating the theta and upper beta (20-30 Hz) band power by 10% at electrode location C4. Technology: A consumer grade multichannel EEG headset (Epoch, Emotiv, USA), a tablet computer and custom made NFB software. EVALUATION EEG analysis, before and after NFB assessment, interviews and questionnaires. RESULTS Effectiveness: Out of 20 initially assessed participants, 15 took part in the study. Participants used the system for 6.9 ± 5.5 (median 4) weeks. Twelve participants regulated their brainwaves in a frequency specific manner and were most successful upregulating the alpha band power. However they typically upregulated power around their individual alpha peak (7.6 ± 0.8 Hz) that was lower than in people without CNP. The reduction in pain experienced was statistically significant in 12 and clinically significant (greater than 30%) in 8 participants. Efficiency: The donning was between 5 and 15 min, and approximately 10-20% of EEG data recorded in the home environment was noise. Participants were mildly stressed when self-administering NFB at home (2.4 on a scale 1-10). User satisfaction: Nine participants who completed the final assessment reported a high level of satisfaction (QUESQ, 4.5 ± 0.8), naming effectiveness, ease of use and comfort as main priorities. The main factors influencing frequency of NFB training were: health related issues, free time and pain intensity. CONCLUSION Portable NFB is a feasible solution for home-based self-managed treatment of CNP. Compared to pharmacological treatments, NFB has less side effects and provides users with active control over pain. TRIAL REGISTRATION GN15NE124 , Registered 9th June 2016.
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Affiliation(s)
- M K H Al-Taleb
- Biomedical Engineering Research Division, University of Glasgow, Glasgow, UK.,Wasit University, Wasit, Iraq
| | - M Purcell
- Queen Elizabeth National Spinal Injuries Unit, Queen Elizabeth University Hospital, Glasgow, UK
| | - M Fraser
- Queen Elizabeth National Spinal Injuries Unit, Queen Elizabeth University Hospital, Glasgow, UK
| | - N Petric-Gray
- Biomedical Engineering Research Division, University of Glasgow, Glasgow, UK
| | - A Vuckovic
- Biomedical Engineering Research Division, University of Glasgow, Glasgow, UK.
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21
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Trudel D, Grosset AA, Dallaire F, Nguyen T, Kougioumoutzakis A, Azzi F, Aubertin K, Saad F, Latour M, Albadine R, Boutros P, Fraser M, Bristow R, Van der Kwast T, Benzerdjeb N, Hovington H, Bergeron A, Fradet Y, Brisson H, Leblond F. Raman microscopy for the identification of an aggressive variant of prostate cancer, intraductal carcinoma of the prostate. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz239.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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22
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Schneider L, Cui F, Brodsky A, Fraser M, Toloue M, Tripathi A. 14. A FULLY AUTOMATED INSTRUMENT FOR PREIMPLANTATION GENETIC TESTING (PGT-A) LIBRARY PREPARATION. Reprod Biomed Online 2019. [DOI: 10.1016/j.rbmo.2019.04.067] [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]
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23
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Toole K, Bull T, Keegan E, Loi E, Goralewski J, Lee S, Van De Voorde R, Young E, Ristevska S, Roffey P, Burger F, Cho K, Davies B, Fraser M, Goodman-Jones A, Nelson K, Robertson G, Shaw T, Stone J, Reinhard M. Nuclear forensic science in Australia: current status and future plans. AUST J FORENSIC SCI 2019. [DOI: 10.1080/00450618.2019.1568564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
| | - T. Bull
- ANSTO, Sydney, NSW, Australia
| | | | - E. Loi
- ANSTO, Sydney, NSW, Australia
| | | | - S. Lee
- ANSTO, Sydney, NSW, Australia
| | | | | | - S. Ristevska
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - P. Roffey
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - F. Burger
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - K. Cho
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - B. Davies
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - M. Fraser
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - A. Goodman-Jones
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - K. Nelson
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - G. Robertson
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - T. Shaw
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
| | - J. Stone
- Specialist Operations (Forensics), Australian Federal Police, Canberra, Australia
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24
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Noy ML, Abdolrasouli A, Borman AM, Fraser M, Francis N, Moore LSP, Merika EE. Cutaneotrichosporon
(
Trichosporon
)
debeurmannianum
associated with a subcutaneous mycotic cyst successfully treated with voriconazole. Clin Exp Dermatol 2019; 45:250-253. [PMID: 31332809 DOI: 10.1111/ced.14037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2019] [Indexed: 11/29/2022]
Affiliation(s)
- M. L. Noy
- Department of DermatologyChelsea and Westminster Hospital LondonUK
| | - A. Abdolrasouli
- Department of Medical Microbiology, North West London Pathology Imperial College Healthcare NHS Trust London UK
| | - A. M. Borman
- National Mycology Reference Laboratory Public Health England Bristol UK
| | - M. Fraser
- National Mycology Reference Laboratory Public Health England Bristol UK
| | - N. Francis
- Department of Histopathology, Charing Cross Hospital Imperial College London London UK
| | - L. S. P. Moore
- Department of Medical Microbiology, North West London Pathology Imperial College Healthcare NHS Trust London UK
- Clinical Infection Department Chelsea and Westminster Hospital London UK
- National Institute for Health Research Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance Imperial College London London UK
| | - E. E. Merika
- Department of DermatologyChelsea and Westminster Hospital LondonUK
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25
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Chua M, Bristow R, Murgic J, Hosni Abdalaty A, Salcedo A, Kamel-Reid S, Fraser M, Zhang J, Wang Q, Ch'ng C, Deheshi S, Davicioni E, Van der Kwast T, Boutros P, Berlin A. A Biopsy Based Genomic Classifier Predicts Biochemical Failure and Metastasis after Definitive Radiation without Hormone Therapy in a Prospective Cohort of Intermediate-Risk Prostate Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.254] [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: 11/27/2022]
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26
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Mattila S, Pérez-Torres M, Efstathiou A, Mimica P, Fraser M, Kankare E, Alberdi A, Aloy MÁ, Heikkilä T, Jonker PG, Lundqvist P, Martí-Vidal I, Meikle WPS, Romero-Cañizales C, Smartt SJ, Tsygankov S, Varenius E, Alonso-Herrero A, Bondi M, Fransson C, Herrero-Illana R, Kangas T, Kotak R, Ramírez-Olivencia N, Väisänen P, Beswick RJ, Clements DL, Greimel R, Harmanen J, Kotilainen J, Nandra K, Reynolds T, Ryder S, Walton NA, Wiik K, Östlin G. A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger. Science 2018; 361:482-485. [PMID: 29903886 DOI: 10.1126/science.aao4669] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 06/01/2018] [Indexed: 11/02/2022]
Abstract
Tidal disruption events (TDEs) are transient flares produced when a star is ripped apart by the gravitational field of a supermassive black hole (SMBH). We have observed a transient source in the western nucleus of the merging galaxy pair Arp 299 that radiated >1.5 × 1052 erg at infrared and radio wavelengths but was not luminous at optical or x-ray wavelengths. We interpret this as a TDE with much of its emission reradiated at infrared wavelengths by dust. Efficient reprocessing by dense gas and dust may explain the difference between theoretical predictions and observed luminosities of TDEs. The radio observations resolve an expanding and decelerating jet, probing the jet formation and evolution around a SMBH.
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Affiliation(s)
- S Mattila
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland. .,Finnish Centre for Astronomy with ESO (FINCA), FI-20014 University of Turku, Finland
| | - M Pérez-Torres
- Instituto de Astrofísica de Andalucía-Consejo Superior de Investigaciones Científicas (CSIC), P.O. Box 3004, 18008, Granada, Spain. .,Departamento de Física Teórica, Facultad de Ciencias, Universidad de Zaragoza, 50019, Zaragoza, Spain
| | - A Efstathiou
- School of Sciences, European University Cyprus, Diogenes Street, Engomi, 1516 Nicosia, Cyprus
| | - P Mimica
- Departament d'Astronomia i Astrofisica, Universitat de València Estudi General, 46100 Burjassot, València, Spain
| | - M Fraser
- School of Physics, O'Brien Centre for Science North, University College Dublin, Belfield, Dublin 4, Ireland.,Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
| | - E Kankare
- Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, UK
| | - A Alberdi
- Instituto de Astrofísica de Andalucía-Consejo Superior de Investigaciones Científicas (CSIC), P.O. Box 3004, 18008, Granada, Spain
| | - M Á Aloy
- Departament d'Astronomia i Astrofisica, Universitat de València Estudi General, 46100 Burjassot, València, Spain
| | - T Heikkilä
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - P G Jonker
- SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, NL-3584 CA Utrecht, Netherlands.,Department of Astrophysics/Institute for Mathematics, Astrophysics and Particle Physics, Radboud University, P.O. Box 9010, 6500GL Nijmegen, Netherlands
| | - P Lundqvist
- Department of Astronomy and The Oskar Klein Centre, AlbaNova University Center, Stockholm University, SE-106 91 Stockholm, Sweden
| | - I Martí-Vidal
- Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden
| | - W P S Meikle
- Astrophysics Group, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - C Romero-Cañizales
- Chinese Academy of Sciences South America Center for Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China.,Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Av. Ejército 441, 8370191 Santiago, Chile
| | - S J Smartt
- Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, UK
| | - S Tsygankov
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - E Varenius
- Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden.,Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
| | - A Alonso-Herrero
- Centro de Astrobiología (CSIC-INTA), ESAC Campus, E-28692 Villanueva de la Cañada, Madrid, Spain
| | - M Bondi
- Istituto di Radioastronomia - Istituto Nazionale di Astrofisica (INAF), Bologna, via P. Gobetti 101, 40129, Bologna, Italy
| | - C Fransson
- Department of Astronomy and The Oskar Klein Centre, AlbaNova University Center, Stockholm University, SE-106 91 Stockholm, Sweden
| | - R Herrero-Illana
- European Southern Observatory, Alonso de Córdova 3107, Vitacura, Casilla 19001, Santiago de Chile, Chile
| | - T Kangas
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland.,Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
| | - R Kotak
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland.,Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, UK
| | - N Ramírez-Olivencia
- Instituto de Astrofísica de Andalucía-Consejo Superior de Investigaciones Científicas (CSIC), P.O. Box 3004, 18008, Granada, Spain
| | - P Väisänen
- South African Astronomical Observatory, P.O. Box 9, Observatory 7935, Cape Town, South Africa.,Southern African Large Telescope, P.O. Box 9, Observatory 7935, Cape Town, South Africa
| | - R J Beswick
- Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
| | - D L Clements
- Astrophysics Group, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - R Greimel
- Institute of Physics, Department for Geophysics, Astrophysics, and Meteorology, NAWI Graz, Universitätsplatz 5, 8010 Graz, Austria
| | - J Harmanen
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - J Kotilainen
- Finnish Centre for Astronomy with ESO (FINCA), FI-20014 University of Turku, Finland.,Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - K Nandra
- Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstraße, 85748, Garching, Germany
| | - T Reynolds
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - S Ryder
- Australian Astronomical Observatory, 105 Delhi Rd, North Ryde, NSW 2113, Australia
| | - N A Walton
- Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
| | - K Wiik
- Tuorla Observatory, Department of Physics and Astronomy, FI-20014 University of Turku, Finland
| | - G Östlin
- Department of Astronomy and The Oskar Klein Centre, AlbaNova University Center, Stockholm University, SE-106 91 Stockholm, Sweden
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27
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Rewhorn M, Wu D, Hendry D, Fraser M. 271 Social deprivation trends in operative penile cancer. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2018.04.236] [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]
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28
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Lane M, Zander-Fox D, Hamilton H, Jasper M, Hodgson B, Fraser M, Bell F. Ability to detect aneuploidy from cell free DNA collected from media is dependent on the stage of development of the embryo. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.192] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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29
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Fraser M, Tewhaiti-Smith J, Johnson S, Al-Mandhari R, Glen E, Beck A, Smith B, Aluzaite B, Schultz M. P15 Engagement of the notorious mongrel mob and their knowledge of hepatitis C. J Virus Erad 2017. [DOI: 10.1016/s2055-6640(20)30756-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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So J, Chua M, Lalonde E, Pra AD, Berlin A, Orain M, Hovington H, Bergeron A, Fradet Y, Têtu B, Meng A, Zhang J, Zafarana G, Livingstone J, Pintilie M, van der Kwast T, Fraser M, Boutros P, Bristow R. Prognostic Significance of Tonsil Expression and the Homologous Recombination Pathway in Intermediate-Risk Prostate Cancer Recurrence. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Chua M, Salcedo A, Meng A, Zhang J, Fleshner N, Fraser M, van der Kwast T, Boutros P, Bristow R. Genomic Architecture of Prostate Cancer at Recurrence Following Radiation Therapy. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.280] [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: 10/20/2022]
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Fraser M, Girling SJ. An evaluation of the experiences of guide dog owners visiting Scottish veterinary practices. Vet Rec 2016; 179:253. [PMID: 27506536 DOI: 10.1136/vr.103626] [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] [Accepted: 07/20/2016] [Indexed: 11/04/2022]
Abstract
Guide dogs and their owners will visit a veterinary practice at least twice a year. The aim of this study was to evaluate what guide dog owners thought about these visits, in order to identify areas of good practice which could be incorporated into the undergraduate curriculum. Nine guide dog owners volunteered to take part in the study and were interviewed by the primary researcher. Thematic analysis was carried out and several themes were identified: good experiences were highlighted where staff had an understanding of visual impairment and the work of a guide dog; the importance of good communication skills involving the owner in the consultation; the need for veterinary professionals to understand the bond between an owner and guide dog; how medication and information could be provided in a user-friendly format for someone affected by a visual impairment and concerns about costs and decision making for veterinary treatment. This work highlights the importance for veterinary staff to talk to, empathise with and understand the individual circumstances of their clients and identifies areas that should be included in veterinary education to better prepare students for the workplace.
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Affiliation(s)
- M Fraser
- Vets Now Ltd., Penguin House, Castle Riggs, Dunfermline, Fife, KY11 8SG
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Green LR, Kawagoe Y, Fraser M, Challis JRG, Richardson BS. Activation of the Hypothalamic-Pituitary-Adrenal Axis With Repetitive Umbilical Cord Occlusion in the Preterm Ovine Fetus. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/107155760000700406] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- L. R. Green
- MRC Group in Fetal and Neonatal Health and Development, Departments of Obstetrics and Gynecology and Physiology, The Lawson Research Institute, The University of Western Ontario, London, Ontario, Canada; and Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada; Centre for Fetal Origins of Adult Disease, 887(F) Princess Anne Hospital, Coxford Road, Southampton SO16 5YA, US
| | | | | | | | - B. S. Richardson
- MRC Group in Fetal and Neonatal Health and Development, Departments of Obstetrics and Gynecology and Physiology, The Lawson Research Institute, The University of Western Ontario, London, Ontario, Canada; and Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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Cunningham J, Fraser M, Castles D. Can you distinguish naturally occurring from refined dietary fibre? Journal of Nutrition & Intermediary Metabolism 2016. [DOI: 10.1016/j.jnim.2015.12.269] [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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van Velzen S, Anderson GE, Stone NC, Fraser M, Wevers T, Metzger BD, Jonker PG, van der Horst AJ, Staley TD, Mendez AJ, Miller-Jones JCA, Hodgkin ST, Campbell HC, Fender RP. A radio jet from the optical and x-ray bright stellar tidal disruption flare ASASSN-14li. Science 2016; 351:62-5. [PMID: 26612833 DOI: 10.1126/science.aad1182] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 11/13/2015] [Indexed: 11/02/2022]
Affiliation(s)
- S. van Velzen
- Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA
| | - G. E. Anderson
- Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
- International Centre for Radio Astronomy Research, Curtin University, GPO Box U1987, Perth WA 6845, Australia
| | - N. C. Stone
- Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA
| | - M. Fraser
- Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
| | - T. Wevers
- Department of Astrophysics, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands
| | - B. D. Metzger
- Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA
| | - P. G. Jonker
- Department of Astrophysics, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands
- SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht, Netherlands
| | - A. J. van der Horst
- Department of Physics, The George Washington University, 725 21st Street NW, Washington, DC 20052, USA
| | - T. D. Staley
- Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
| | - A. J. Mendez
- Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA
| | - J. C. A. Miller-Jones
- International Centre for Radio Astronomy Research, Curtin University, GPO Box U1987, Perth WA 6845, Australia
| | - S. T. Hodgkin
- Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
| | - H. C. Campbell
- Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
| | - R. P. Fender
- Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
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Nicholl M, Smartt SJ, Jerkstrand A, Sim SA, Inserra C, Anderson JP, Baltay C, Benetti S, Chambers K, Chen TW, Elias-Rosa N, Feindt U, Flewelling HA, Fraser M, Gal-Yam A, Galbany L, Huber ME, Kangas T, Kankare E, Kotak R, Krühler T, Maguire K, McKinnon R, Rabinowitz D, Rostami S, Schulze S, Smith KW, Sullivan M, Tonry JL, Valenti S, Young DR. LSQ14bdq: A TYPE Ic SUPER-LUMINOUS SUPERNOVA WITH A DOUBLE-PEAKED LIGHT CURVE. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/2041-8205/807/1/l18] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Barlow AM, Worledge L, Miller H, Drees KP, Wright P, Foster JT, Sobek C, Borman AM, Fraser M. First confirmation of Pseudogymnoascus destructans in British bats and hibernacula. Vet Rec 2015; 177:73. [PMID: 25968064 DOI: 10.1136/vr.102923] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2015] [Indexed: 01/02/2023]
Abstract
White-nose syndrome (WNS) is a fatal fungal infection of bats in North America caused by Pseudogymnoascus destructans. P. destructans has been confirmed in Continental Europe but not associated with mass mortality. Its presence in Great Britain was unknown. Opportunistic sampling of bats in GB began during the winter of 2009. Any dead bats or samples from live bats with visible fungal growths were submitted to the Animal Health and Veterinary Laboratories Agency for culture. Active surveillance by targeted environmental sampling of hibernacula was carried out during the winter of 2012/2013. Six hibernacula were selected by their proximity to Continental Europe. Five samples, a combination of surface swabs or sediment samples, were collected. These were sent to the Center for Microbial Genetics and Genomics, Northern Arizona University, for P. destructans PCR. Forty-eight incidents were investigated between March 2009 and July 2013. They consisted of 46 bat carcases and 31 other samples. A suspected P. destructans isolate was cultured from a live Daubenton's bat (Myotis daubentonii) sampled in February 2013. This isolate was confirmed by the Mycology Reference Laboratory, Bristol (Public Health England), as P. destructans. A variety of fungi were isolated from the rest but all were considered to be saprophytic or incidental. P. destructans was also confirmed by the Center for Microbial Genetics and Genomics in five of the six sites surveyed.
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Affiliation(s)
- A M Barlow
- APHA-Starcross VI Centre, Staplake Mount, Starcross, Exeter, Devon EX6 8PE, UK
| | - L Worledge
- Bat Conservation Trust, Quadrant House, 250 Kennington Lane, London SE11 5RD, UK
| | - H Miller
- Bat Conservation Trust, Quadrant House, 250 Kennington Lane, London SE11 5RD, UK
| | - K P Drees
- Center for Microbial Genetics and Genomics, Northern Arizona University, 1298 S Knoles Dr, Flagstaff, Arizona 86011-4073, USA Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire, Durham, New Hampshire 03824, USA
| | - P Wright
- APHA-Penrith VI Centre, Merrythought, Calthwaite, Penrith, Cumbria CA11 9RR, UK
| | - J T Foster
- Center for Microbial Genetics and Genomics, Northern Arizona University, 1298 S Knoles Dr, Flagstaff, Arizona 86011-4073, USA Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire, Durham, New Hampshire 03824, USA
| | - C Sobek
- Center for Microbial Genetics and Genomics, Northern Arizona University, 1298 S Knoles Dr, Flagstaff, Arizona 86011-4073, USA
| | - A M Borman
- Mycology Reference Laboratory, Public Health England South-West Regional Laboratory, Myrtle Road, Kingsdown, Bristol BS2 8EL, UK
| | - M Fraser
- Mycology Reference Laboratory, Public Health England South-West Regional Laboratory, Myrtle Road, Kingsdown, Bristol BS2 8EL, UK
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Vuckovic A, Hasan MA, Osuagwu B, Fraser M, Allan DB, Conway BA, Nasseroleslami B. The influence of central neuropathic pain in paraplegic patients on performance of a motor imagery based Brain Computer Interface. Clin Neurophysiol 2015; 126:2170-80. [PMID: 25698307 PMCID: PMC4634336 DOI: 10.1016/j.clinph.2014.12.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/18/2014] [Accepted: 12/31/2014] [Indexed: 12/02/2022]
Abstract
Motor imagery based BCI-classifier built on EEG data of paraplegic patients, gives higher classification accuracy in patients with central neuropathic pain compared to patients with no chronic pain. Higher BCI classification accuracy in paraplegic patients with central neuropathic pain is accompanied with stronger event related desynchronisation during motor imagery. BCI classification accuracy between feet and a hand was comparable with classification accuracy between hands, in all three groups of participants.
Objective The aim of this study was to test how the presence of central neuropathic pain (CNP) influences the performance of a motor imagery based Brain Computer Interface (BCI). Methods In this electroencephalography (EEG) based study, we tested BCI classification accuracy and analysed event related desynchronisation (ERD) in 3 groups of volunteers during imagined movements of their arms and legs. The groups comprised of nine able-bodied people, ten paraplegic patients with CNP (lower abdomen and legs) and nine paraplegic patients without CNP. We tested two types of classifiers: a 3 channel bipolar montage and classifiers based on common spatial patterns (CSPs), with varying number of channels and CSPs. Results Paraplegic patients with CNP achieved higher classification accuracy and had stronger ERD than paraplegic patients with no pain for all classifier configurations. Highest 2-class classification accuracy was achieved for CSP classifier covering wider cortical area: 82 ± 7% for patients with CNP, 82 ± 4% for able-bodied and 78 ± 5% for patients with no pain. Conclusion Presence of CNP improves BCI classification accuracy due to stronger and more distinct ERD. Significance Results of the study show that CNP is an important confounding factor influencing the performance of motor imagery based BCI based on ERD.
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Affiliation(s)
- A Vuckovic
- Biomedical Engineering Division, University of Glasgow, Glasgow, UK.
| | - M A Hasan
- Biomedical Engineering Division, University of Glasgow, Glasgow, UK; Department of Biomedical Engineering, NED University of Engineering and Technology, Karachi, Pakistan
| | - B Osuagwu
- Biomedical Engineering Division, University of Glasgow, Glasgow, UK
| | - M Fraser
- Queen Elizabeth National Spinal Injuries Unit, Southern General Hospital, Glasgow, UK
| | - D B Allan
- Queen Elizabeth National Spinal Injuries Unit, Southern General Hospital, Glasgow, UK
| | - B A Conway
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
| | - B Nasseroleslami
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK; Academic Unit of Neurology, Trinity College Dublin, Dublin, Ireland
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Fraser M, Rault P, Fortier M, Brousseau P, Fournier M, Surette C, Vaillancourt C. Immune response of blue mussels (Mytilus edulis) in spawning period following exposure to metals. J Xenobiot 2014. [DOI: 10.4081/xeno.2014.4895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Not available
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Bougie O, Agarwal S, Fraser M, Singh S. Targeted Ultrasound in Endometriosis. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.695] [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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Bristow R, Lalonde E, Milosevic M, Sykes J, Van der Kwast T, Fraser M, Fotouhi-Ghiam A, Boutros P. OC-0139: Complementarity of genomic instability & hypoxia indices for predicting prostate cancer recurrence. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)30244-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fraser M, Rault P, Roumier PH, Fortier M, André C, Brousseau P, Gagné F, Fournier M, Surette C, Vaillancourt C. Decrease in phagocytosis capacity of hemocyte during spawning in Mytilus edulis: a pilot study. J Xenobiot 2013. [DOI: 10.4081/xeno.2013.s1.e12] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Not available
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Acquaye AA, Vera-Bolanos E, Gilbert MR, Armstrong TS, Lin L, Amidei C, Lovely M, Arzbaecher J, Page M, Mogensen K, Lupica K, Maher ME, Armstrong TS, Won M, Wefel JS, Gilbert MR, Pugh S, Wendland MM, Brachman DG, Brown PD, Crocker IR, Robins HI, Lee RJ, Mehta M, Arvold N, Wang Y, Zigler C, Schrag D, Dominici F, Boele F, Douw L, de Groot M, van Thuijl H, Cleijne W, Heimans J, Taphoorn M, Reijneveld J, Klein M, Bunevicius A, Tamasauskas S, Tamasauskas A, Deltuva V, Bunevicius R, Cahill J, Lin L, Armstrong T, Acquaye A, Vera-Bolanos E, Gilbert M, Padhye N, Chan J, Clarke J, Lawton K, Rabbitt J, DeSilva A, Prados M, Rosen M, Cher L, Diamond E, Applebaum A, Corner G, DeRosa A, Breitbart W, DeAngelis L, Hoogendoorn P, Ikuta S, Muragaki Y, Maruyama T, Nitta M, Tamura M, Okamoto S, Iseki H, Okada Y, Lacouture M, Davis ME, Elzinga G, Butowski N, Tran D, Villano J, Wong E, Legge D, Cher L, Legge D, Cher L, Mills K, Lin L, Acquaye A, Vera-Bolanos E, Gilbert M, Armstrong T, Lovely M, Sullivan D, Mueller S, Fullerton H, Stratton K, Leisenring W, Armstrong G, Weathers R, Stovall M, Goldsby R, Sklar C, Robison L, Krull K, Pace A, Villani V, Focarelli S, Benincasa D, Benincasa A, Carapella CM, Pompili A, Peiffer AM, Burke A, Leyer CM, Shing E, Kearns WT, Hinson WH, Case D, Rapp SR, Shaw EG, Chan MD, Porensky E, Cavaliere R, Newton H, Shilds A, Burgess S, Ravelo A, Taylor F, Mazar I, Abrey L, Rooney A, Graham C, McKenzie H, Fraser M, MacKinnon M, McNamara S, Rampling R, Carson A, Grant R, Rooney A, Heimans L, Woltz S, Kerrigan S, McNamara S, Grant R, Seibl-Leven M, Wittenstein K, Rohn G, Goldbrunner R, Timmer M, Kennedy J, Sherman W, Sen-Gupta I, Garic I, Macken M, Gerard E, Raizer J, Schuele S, Grontoft M, Stragliotto G, Taphoorn MJ, Henriksson R, Bottomley A, Cloughesy T, Wick W, Mason W, Saran F, Nishikawa R, Ravelo A, Hilton M, Chinot OL, Trad W, Simpson T, Wright K, Tran T, Choong C, Barton M, Hovey E, Robinson K, Koh ES, Vera-Bolanos E, Acquaye AA, Brown PD, Chung C, Gilbert MR, Vardy J, Armstrong TS, Walbert T, Mendoza T, Vera-Bolanos E, Gilbert M, Acquaye A, Armstrong T, Walbert T, Glantz M, Schultz L, Puduvalli VK, Oudenhoven M, Farin C, Hoffman R, Armstrong T, Ewend M, Wu J. SYMPTOM MANAGEMENT/QUALITY OF LIFE. Neuro Oncol 2013; 15:iii226-iii234. [PMCID: PMC3823907 DOI: 10.1093/neuonc/not192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024] Open
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Nicholl M, Smartt SJ, Jerkstrand A, Inserra C, McCrum M, Kotak R, Fraser M, Wright D, Chen TW, Smith K, Young DR, Sim SA, Valenti S, Howell DA, Bresolin F, Kudritzki RP, Tonry JL, Huber ME, Rest A, Pastorello A, Tomasella L, Cappellaro E, Benetti S, Mattila S, Kankare E, Kangas T, Leloudas G, Sollerman J, Taddia F, Berger E, Chornock R, Narayan G, Stubbs CW, Foley RJ, Lunnan R, Soderberg A, Sanders N, Milisavljevic D, Margutti R, Kirshner RP, Elias-Rosa N, Morales-Garoffolo A, Taubenberger S, Botticella MT, Gezari S, Urata Y, Rodney S, Riess AG, Scolnic D, Wood-Vasey WM, Burgett WS, Chambers K, Flewelling HA, Magnier EA, Kaiser N, Metcalfe N, Morgan J, Price PA, Sweeney W, Waters C. Slowly fading super-luminous supernovae that are not pair-instability explosions. Nature 2013; 502:346-9. [DOI: 10.1038/nature12569] [Citation(s) in RCA: 204] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 08/09/2013] [Indexed: 11/09/2022]
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Jasper M, Robinson C, Protopsaltis S, Wang X, Fraser M. O-4 Cross-platform compatibility of whole genome amplification (WGA) and comparative genomic hybridization (CGH) arrays for aneuploidy detection. Reprod Biomed Online 2013. [DOI: 10.1016/s1472-6483(13)60037-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Meuleners L, Ng J, Morlet N, Fraser M. FIRST EYE CATARACT SURGERY AND HOSPITALISATION FOR A FALL. Inj Prev 2012. [DOI: 10.1136/injuryprev-2012-040590e.3] [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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Fraser M, Meuleners L, Lee A, Ng J, Morlet N. RISK FACTORS FOR FALLS IN CATARACT PATIENTS AWAITING SURGERY. Inj Prev 2012. [DOI: 10.1136/injuryprev-2012-040590e.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Li KKW, Pang JCS, Ng HK, Massimino M, Gandola L, Biassoni V, Spreafico F, Schiavello E, Poggi G, Casanova M, Pecori E, De Pava MV, Ferrari A, Meazza C, Terenziani M, Polastri D, Luksch R, Podda M, Modena P, Antonelli M, Giangaspero F, Ahmed S, Zaghloul MS, Mousa AG, Eldebawy E, Elbeltagy M, Awaad M, Massimino M, Gandola L, Biassoni V, Antonelli M, Schiavello E, Buttarelli F, Spreafico F, Collini P, Pollo B, Patriarca C, Giangaspero F, MacDonald T, Liu J, Munson J, Park J, Wang K, Fei B, Bellamkonda R, Arbiser J, Gomi A, Yamaguchi T, Mashiko T, Oguro K, Somasundaram A, Neuberg R, Grant G, Fuchs H, Driscoll T, Becher O, McLendon R, Cummings T, Gururangan S, Bourdeaut F, Grison C, Doz F, Pierron G, Delattre O, Couturier J, Cho YJ, Pugh T, Weeraratne SD, Archer T, Krummel DP, Auclair D, Cibulkis K, Lawrence M, Greulich H, McKenna A, Ramos A, Shefler E, Sivachenko A, Amani V, Pierre-Francois J, Teider N, Northcott P, Taylor M, Meyerson M, Pomeroy S, Potts C, Cline H, Rotenberry R, Guldal C, Bhatia B, Nahle Z, Kenney A, Fan YN, Pizer B, See V, Makino K, Nakamura H, Kuratsu JI, Grahlert J, Ma M, Fiaschetti G, Shalaby T, Grotzer M, Baumgartner M, Clifford S, Gustafsson G, Ellison D, Figarella-Branger D, Doz F, Rutkowski S, Lannering B, Pietsch T, Fiaschetti G, Shalaby T, Baumgartner M, Grotzer M, Fleischhack G, Siegler N, Zimmermann M, Rutkowski S, Warmuth-Metz M, Kortmann RD, Pietsch T, Faldum A, Bode U, Yoon JH, Kang HJ, Park KD, Park SH, Phi JH, Kim SK, Wang KC, Kim IH, Shin HY, Ahn HS, Faria C, Golbourn B, Smith C, Rutka J, Greene BD, Whitton A, Singh S, Scheinemann K, Hill R, Lindsey J, Howell C, Ryan S, Shiels K, Shrimpton E, Bailey S, Clifford S, Schwalbe E, Lindsey J, Williamson D, Hamilton D, Northcott P, O'Toole K, Nicholson SL, Lusher M, Gilbertson R, Hauser P, Taylor M, Taylor R, Ellison D, Bailey S, Clifford S, Kool M, Jones DTW, Jager N, Hovestadt V, Schuller U, Jabado N, Perry A, Cowdrey C, Croul S, Collins VP, Cho YJ, Pomeroy S, Eils R, Korshunov A, Lichter P, Pfister S, Northcott P, Shih D, Taylor M, Darabi A, Sanden E, Visse E, Siesjo P, Harris P, Venkataraman S, Alimova I, Birks D, Cristiano B, Donson A, Foreman N, Vibhakar R, Bertin D, Vallero S, Basso ME, Romano E, Peretta P, Morra I, Mussano A, Fagioli F, Kunkele A, De Preter K, Heukamp L, Thor T, Pajtler K, Hartmann W, Mittelbronn M, Grotzer M, Deubzer H, Speleman F, Schramm A, Eggert A, Schulte J, Bandopadhayay P, Kieran M, Manley P, Robison N, Chi S, Thor T, Mestdagh P, Vandesomple J, Fuchs H, Durner VG, de Angelis MH, Heukamp L, Kunkele A, Pajtler K, Eggert A, Schramm A, Schulte JH, Ohe N, Yano H, Nakayama N, Iwama T, Lastowska M, Perek-Polnik M, Grajkowska W, Malczyk K, Cukrowska B, Dembowska-Baginska B, Perek D, Othman RT, Storer L, Grundy R, Kerr I, Coyle B, Hulleman E, Lagerweij T, Biesmans D, Crommentuijn MHW, Cloos J, Tannous BA, Vandertop WP, Noske DP, Kaspers GJL, Wurdinger T, Bergthold G, El Kababri M, Varlet P, Dhermain F, Sainte-Rose C, Raquin MA, Valteau-Couanet D, 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Ammoun S, Zhou L, Barczyk M, Hilton D, Hafizi S, Hanemann C, Lehnus KS, Donovan LK, Pilkington GJ, An Q, Anderson IA, Thomson S, Bailey M, Lekka E, Law J, Davis C, Banfill K, Loughrey C, Hatfield P, Bax D, Elliott R, Bishop R, Taylor K, Marshall L, Gaspar N, Viana-Pereira M, Reis R, Renshaw J, Ashworth A, Lord C, Jones C, Bellamy C, Shaw L, Alder J, Shorrocks A, Lea R, Birks S, Burnet M, Pilkington G, Bruch JD, Ho J, Watts C, Price SJ, Camp S, Apostolopoulos V, Mehta A, Roncaroli F, Nandi D, Clark B, Mackinnon M, MacLeod N, Stewart W, Chalmers A, Cole A, Hanna G, Bailie K, Conkey D, Harney J, Darlow C, Chapman S, Mohsen L, Price S, Donovan L, Birks S, Pilkington G, Dyer H, Lord H, Fletcher K, das Nair R, MacNiven J, Basu S, Byrne P, Glancz L, Critchley G, Grech-Sollars M, Saunders D, Phipps K, Clayden J, Clark C, Greco A, Acquati S, Marino S, Hammouche S, Wilkins SP, Smith T, Brodbelt A, Hammouche S, Clark S, Wong AHL, Eldridge P, Farah JO, Ho J, Bruch J, Watts C, Price S, Lamb G, Smith S, James A, Glegg M, Jeffcote T, Boulos S, Robbins P, Knuckey N, Banigo A, Brodbelt AR, Jenkinson MD, Jeyapalan JN, Mumin MA, Forshew T, Lawson AR, Tatevossian RG, Jacques TS, Sheer D, Kilday J, Wright K, Leavy S, Lowe J, Schwalbe E, Clifford S, Gilbertson R, Coyle B, Grundy R, Kinsella P, Clynes M, Amberger-Murphy V, Barron N, Lambert SR, Jones D, Pearson D, Ichimura I, Collins V, Steele L, Sinha P, Chumas P, Tyler J, Ogawa D, Chiocca E, DeLay M, Bronisz A, Nowicki M, Godlewski J, Lawler S, Lee MK, Javadpour M, Jenkinson MD, Lekka E, Abel P, Dawson T, Lea B, Davis C, Lim CSK, Grundy PL, Pendleton M, Lord H, Mackinnon M, Williamson A, James A, Stewart W, Clark B, Chalmers A, Merve A, Zhang X, Marino S, Miller S, Rogers HA, Lyon P, Rand V, Adamowicz-Brice M, Clifford SC, Hayden JT, Dyer S, Pfister S, Korshunov A, Brundler MA, Lowe J, Coyle B, Grundy RG, Nankivell M, Mulvenna P, Barton R, Wilson P, Faivre-Finn C, Pugh C, Langley R, Ngoga D, Tennant D, Williams A, Moss P, Cruickshank G, Owusu-Agyemang K, Bell S, Stewart W, St.George J, Piccirillo SG, Watts C, Qadri S, Pirola E, Jenkinson M, Brodbelt A, Rahman R, Rahman C, Smith S, MacArthur D, Rose F, Shakesheff K, Grundy R, Carroll C, Watson P, Hawkins M, Spoudeas H, Walker D, Holland T, Ring H, Rooney A, McNamara S, Mackinnon M, Fraser M, Rampling R, Carson A, Grant R, Royds J, Al Nadaf S, Ahn A, Chen YJ, Wiles A, Jellinek D, Braithwaite A, Baguley B, MacFarlane M, Hung N, Slatter T, Rusbridge S, Walmsley N, Griffiths S, Wilford P, Rees J, Ryan D, Watts C, Liu P, Galavotti S, Shaked-Rabi M, Tulchinsky E, Brandner S, Jones C, Salomoni P, Schulte A, Gunther HS, Zapf S, Riethdorf S, Westphal M, Lamszus K, Selvanathan SK, Hammouche S, Salminen HJ, Jenkinson MD, Setua S, Watts C, Welland ME, Shevtsov M, Khachatryan W, Kim A, Samochernych K, Pozdnyakov A, Guzhova IV, Romanova IV, Margulis B, Smith S, Rahman R, Rahman C, Barrow J, Macarthur D, Rose F, Grundy R, Smith S, Long A, Barrow J, Macarthur D, Coyle B, Grundy R, Maherally Z, Smith JR, Dickson L, Pilkington GJ, Prabhu S, Harris F, Lea R, Snape TJ, Sussman M, Wilne S, Whitehouse W, Chow G, Liu JF, Walker D, Snape T, Karakoula A, Rowther F, Warr T, Williamson A, Mackinnon M, Zisakis A, Varsos V, Panteli A, Karypidou O, Zampethanis A, Fotovati A, Abu-Ali S, Wang PS, Deleyrolle L, Lee C, Triscott J, Chen JY, Franciosi S, Nakamura Y, Sugita Y, Uchiumi T, Kuwano M, Leavitt BR, Singh SK, Jury A, Jones C, Wakimoto H, Reynolds BA, Pallen CJ, Dunn SE, Shepherd S, Scott S, Bowyer D, Wallace L, Hacking B, Mohsen L, Jena R, Gillard J, Price S, Lee C, Fotovati A, Verraeult M, Wakimoto H, Reynolds B, Dunham C, Bally M, Hukin J, Singhal S, Singh S, Dunn S. Abstracts from the 2011 BNOS Conference, June 29 - July 1, 2011, Homerton College, Cambridge. Neuro Oncol 2011. [DOI: 10.1093/neuonc/nor144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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George S, Bennet L, Weaver-Mikaere L, Fraser M, Bouwmans J, Mathai S, Skinner S, Gunn A. White Matter Protection with Insulin-Like Growth Factor 1 and Hypothermia Is Not Additive after Severe Reversible Cerebral Ischemia in Term Fetal Sheep. Dev Neurosci 2011; 33:280-7. [DOI: 10.1159/000329923] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2010] [Accepted: 06/06/2011] [Indexed: 12/13/2022] Open
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