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Dahl J. Intraplacental Gestational Neoplasms: A Review of Clinically Relevant Diagnostically Challenging Lesions. Arch Pathol Lab Med 2024; 148:398-408. [PMID: 37977155 DOI: 10.5858/arpa.2023-0109-ra] [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] [Accepted: 08/24/2023] [Indexed: 11/19/2023]
Abstract
CONTEXT.— Case studies reporting intraplacental choriocarcinoma (IPC) and intraplacental "chorangiocarcinoma" have recently increased, with IPC also represented in molecular analyses of gestational trophoblastic neoplasms. OBJECTIVE.— To provide an overview of 2 intraplacental neoplastic lesions that can have a significant impact on both mother and fetus/infant, focusing on diagnostic characteristics, and ancillary and molecular tools that support diagnosis, determine prognosis, and further elucidate the nature of these lesions. DATA SOURCES.— Data were compiled from a PubMed literature review that included diagnostic and additional keywords within the scope of study for gestational choriocarcinoma in general. Illustrative cases were retrieved from the pathology archives at Michigan Medicine, including the consultation files of the author. CONCLUSIONS.— Intraplacental gestational tumors exist along the spectrum of benign (chorangioma) to aggressive malignant (choriocarcinoma) neoplasms with a high potential for metastasis. Although most gestational choriocarcinomas follow complete hydatidiform mole, 20% to 25% occur in association with normal intrauterine gestations, including rare cases in which they are detected within the placenta (IPC). IPCs range from asymptomatic to widely metastatic, with metastases possible even when only microscopic IPCs are present. A second, even less common lesion, variably called "chorangiocarcinoma" and chorangioma with atypical trophoblast proliferation, is also reviewed. The incidence of these lesions is likely to be underestimated. Heightened suspicion and more liberal placental sampling, particularly when specific clinical features are present, may result in higher detection. Enhanced detection to provide the earliest intervention for both mother and infant may improve prognosis, particularly for asymptomatic disease that may later present with metastasis.
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Affiliation(s)
- Julia Dahl
- From the Department of Pathology, University of Michigan Health System, Ann Arbor
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2
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Dahl J, Rasmussen LD, Ding D, Westra J, Wijns W, Tu S, Christiansen E, Eftekhari A, Li G, Winther S, Bottcher M. Diagnostic performance of on-site computation of quantitative flow ratio by a coronary computed tomography angiography based algorithm: comparison of distal and lesion-specific measurements. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
Guidelines recommend secondary ischemia assessment following a coronary computed tomography angiography (CTA) with suspected obstructive coronary artery disease (CAD). Coronary CTA-derived quantitative flow ratio (CT-QFR) is an on-site technique performed on acquired CTA images that estimates the functional severity of a coronary stenosis. However, CT-QFR measurements are available throughout the coronary vessel with no clear recommendations as to which specific values should be used for identifying obstructive CAD, e.g. most distal or lesion-specific values.
Purpose
First, to investigate the feasibility of CT-QFR and the correlation and agreement with invasive fractional flow reserve (FFR). Secondly, to compare the diagnostic performance of distal versus lesion-specific CT-QFR for identifying obstructive CAD defined by invasive coronary angiography (ICA) with FFR.
Methods
A total of 1732 prospectively included patients with symptoms suggestive of CAD referred for CTA were included. All patients with ≥50% diameter stenosis (DS) on CTA were subsequently referred for ICA with conditional FFR in lesions with 30–89%DS. Obstructive CAD was defined by ICA as FFR ≤0.80 or high-grade stenosis by visual assessment (≥90%DS). A blinded analysis of CT-QFR was performed in patients referred to ICA with measurements at the distal end of a vessel (distal CT-QFR) and 1 cm distal to stenotic lesions on CTA (lesion-specific). CT-QFR ≤0.80 was defined as abnormal. For correlation analyses to invasive FFR, CT-QFR was assessed corresponding to the position of the invasive pressure sensor.
Results
In total, 445/1732 (25%) patients had suspected obstructive CAD at CTA and underwent subsequent ICA. CT-QFR analysis was feasible in 423/445 (95%) patients. CT-QFR correlated (Pearson's rho 0.54, p<0.001) and agreed (mean difference –0.02±0.09) to FFR with CT-QFR overestimating FFR (Fig. 1). Obstructive CAD was identified in 190/423 (44%) patients by ICA. Distal and lesion-specific CT-QFR classified 196 (46%) and 171 (40%) patients as abnormal, respectively. Areas under the receiver-operating characteristic curves for distal versus lesion-specific CT-QFR were similar (0.86 (95% CI: 0.82–0.89) vs. 0.86 (0.82–0.90), p=0.80). Sensitivities for distal and lesion-specific CT-QFR were 78% (95% CI: 71–84) vs. 74% (67–80), p=0.01, respectively, and specificities 79% (95% CI: 74–84) vs. 87% (82–91), p<0.01, respectively. Distal and lesion-specific CT-QFR had similar diagnostic accuracy (79 (95% CI: 75–83), vs. 81 (77–85), p=0.07) (Fig. 2).
Conclusion
In patients with suspected obstructive CAD on CTA, non-invasive estimation of FFR using CT-QFR is feasible with moderate correlation and good agreement with invasive FFR. Overall diagnostic performance of distal and lesion-specific values for discriminating obstructive CAD by invasive FFR are similar. The use of CT-QFR could therefore potentially reduce the need for referral to invasive angiography after CTA.
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): Aarhus UniversityRegion Mid Jutland
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Affiliation(s)
- J Dahl
- Goedstrup Hospital , Herning , Denmark
| | | | - D Ding
- National University of Ireland, The Lambe Institute for translational Medicine and Curam , Galway , Ireland
| | - J Westra
- Aarhus University Hospital, Department of Cardiology , Aarhus , Denmark
| | - W Wijns
- National University of Ireland, The Lambe Institute for translational Medicine and Curam , Galway , Ireland
| | - S Tu
- Shanghai Jiao Tong University, Biomedical Instrument Institute, School of Biomedical Engineering , Shanghai , China
| | - E Christiansen
- Aarhus University Hospital, Department of Cardiology , Aarhus , Denmark
| | - A Eftekhari
- Aalborg University Hospital, Department of Cardiology , Aalborg , Denmark
| | - G Li
- Shanghai Jiao Tong University, Biomedical Instrument Institute, School of Biomedical Engineering , Shanghai , China
| | - S Winther
- Goedstrup Hospital , Herning , Denmark
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Dahl J, Ramussen LD, Ding D, Westra J, Wijns W, Tu S, Christiansen E, Eftekhari A, Gormsen LC, Ejlersen JA, Winther S, Bottcher M. Comparison of second-line on-site computed quantitative flow ratio from coronary computed tomography angiography to PET perfusion imaging for detecting obstructive coronary artery disease. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
In patients with suspected obstructive coronary artery disease (CAD) on coronary computed tomography (CTA), guidelines endorse second-line selective testing for hemodynamic evaluation of suspected CAD. A variety of non-invasive modalities are available, and myocardial perfusion imaging with Rubidium-82 positron emission tomography (PET) is an established method with high diagnostic performance. Recently, an on-site method estimating computed tomography-derived quantitative flow ratio (CT-QFR) showed promising results for discriminating obstructive CAD. However, no study has compared the diagnostic performances of PET and CT-QFR.
Purpose
To assess a possible non-inferiority of CT-QFR compared to PET in patients with suspected obstructive CAD at CTA using invasive coronary angiography (ICA) with fractional flow reserve (FFR) as reference.
Methods
Patients (n=1732, 57% males, age 59±9.5) referred on a clinical indication with symptoms suggestive of obstructive CAD underwent routine CTA. Patients with ≥50% diameter stenosis (DS) on CTA were referred for PET and subsequent ICA with FFR. CT-QFR was analyzed post-hoc blinded to PET and ICA results.
Abnormal CT-QFR was defined as CT-QFR ≤0.80 in any vessel with a diameter ≥1.5mm. An independent core-lab evaluated PET scans as abnormal/normal with optional analyst-dependent application of pre-specified criteria; summed stress score of ≥4 in ≥2 contiguous segments, vessel-specific myocardial blood flow (MBF) <2.00 ml/g/min, global myocardial blood flow reserve ≤1.8, and/or transient ischemic dilatation ratio >1.13. Obstructive CAD was defined as ICA with FFR ≤0.80 or high-grade stenosis (≥90% DS).
Results
In total, 445/1732 patients (25%) had suspected obstructive CAD on CTA of whom 400/445 patients (90%) underwent subsequent PET and ICA. CT-QFR was successfully analysed in 383/400 (96%) patients classifying 174/383 (45%) patients as having disease. In comparison, PET classified 130/383 (34%) patients as having disease. In total, obstructive CAD by ICA with FFR was identified in 162 (42%) patients.
There was no significant difference in area under the receiver-operating characteristic curves for CT-QFR compared to the best performing PET metric (lowest vessel-specific MBF); 0.84 (95% CI 0.80–0.89) vs. 0.81 (0.77–0.85), p=0.19)) (Fig. 1). Overall diagnostic accuracy of CT-QFR versus PET was similar (78% (95% CI 74–82) vs. 77% (72–81), p=0.70. Sensitivities for CT-QFR and PET were 78% (71–84) and 63% (55–70), p<0.01, respectively, and specificities 78% (72–84) and 87% (82–91), p=0.01, respectively (Fig. 2). Three-vessel or left main disease on ICA was correctly identified in 30/31 patients by both CT-QFR and PET.
Conclusion
In patients with suspected obstructive CAD by CTA, second-line CT-QFR was non-inferior to PET for discriminating obstructive CAD by invasive FFR; Although diagnostic accuracy was similar, CT-QFR demonstrated higher sensitivity while PET showed higher specificity
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): Aarhus University PhD fellowshipRegion Mid Health Research Foundation
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Affiliation(s)
- J Dahl
- Goedstrup Hospital , Herning , Denmark
| | | | - D Ding
- National University of Ireland, The Lambe Institute for translational Medicine and Curam , Galway , Ireland
| | - J Westra
- Aarhus University Hospital, Department of Cardiology , Aarhus , Denmark
| | - W Wijns
- National University of Ireland, The Lambe Institute for translational Medicine and Curam , Galway , Ireland
| | - S Tu
- Shanghai Jiao Tong University, Biomedical Instrument Institute, School of Biomedical Engineering , Shanghai , China
| | - E Christiansen
- Aarhus University Hospital, Department of Cardiology , Aarhus , Denmark
| | - A Eftekhari
- Aalborg University Hospital, Department of Cardiology , Aalborg , Denmark
| | - L C Gormsen
- Aarhus University Hospital, Department of Nuclear Medicine and PET , Aarhus , Denmark
| | - J A Ejlersen
- Viborg Hospital, Department of Clinical Physiology , Viborg , Denmark
| | - S Winther
- Goedstrup Hospital , Herning , Denmark
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Neumann EJ, Hall WF, Dahl J, Hamilton D, Kurian A. Is transportation a risk factor for African swine fever transmission in Australia: a review. Aust Vet J 2021; 99:459-468. [PMID: 34235721 DOI: 10.1111/avj.13106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 06/08/2021] [Accepted: 06/21/2021] [Indexed: 11/27/2022]
Abstract
African swine fever (ASF) is a viral disease of the pigs that was first described in Africa during the early part of the twentieth century. The disease has periodically occurred outside of Africa, including an ongoing epidemic in Europe and Asia that started in 2007; the disease has never occurred in Australia or New Zealand. Once introduced into a country, spread can occur through direct and indirect routes of transmission. Infected feral pig populations have the potential to act as a long-term reservoir for the virus, making eradication difficult. Just before and throughout the period of clinical signs, ASF virus is shed in oronasal fluids, urine, faeces and blood. This results in contamination of the pig's environment, including flooring, equipment and vehicles. Transportation-related risk factors therefore are likely to play an important role in ASF spread, though evidence thus far has been largely anecdotal. In addition to the existing AUSVETPLAN ASF plan, efforts should be made to improve transportation biosecurity, from the time a pig leaves the farm to its destination. Collection of data that could quantify the capabilities and capacity of Australia to clean and disinfect livestock trucks would help to determine if private and/or public sector investment should be made in this area of biosecurity. No peer-reviewed research was identified that described a specific process for cleaning and disinfecting a livestock truck known to be contaminated with ASF virus, though literature suggests that transportation is an important route of transmission for moving the virus between farms and countries.
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Affiliation(s)
- E J Neumann
- Riddet Institute, Massey University, Tennent Drive, Palmerston North, 4474, New Zealand
| | - W F Hall
- William Hall and Associates, 114 Swan Drive, Googong, New South Wales, 2620, Australia
| | - J Dahl
- Danish Agriculture and Food Council, Axelborg, Copenhagen V, Denmark
| | - D Hamilton
- South Australian Research and Development Institute, South Australia, 5064, Australia
| | - A Kurian
- Epi-Insight Limited, 17 Main South Road, East Taieri, 9024, New Zealand
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Konopka KE, Nguyen T, Hlavaty L, Rayes O, Schmidt CJ, Dahl J, Myers JL. Utility of CDC Screening Guidelines and Autopsy Findings in Identifying Decedents Who Die of SARS-CoV-2 Infection. Am J Forensic Med Pathol 2021; 42:118-120. [PMID: 33833197 PMCID: PMC8115420 DOI: 10.1097/paf.0000000000000681] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 02/13/2021] [Indexed: 01/10/2023]
Abstract
ABSTRACT We assess the utility of a Centers for Disease Control and Prevention (CDC) guidelines-based coronavirus disease 2019 (COVID-19) screening checklist for postmortem severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) surveillance, detailing the relationship between the histologic findings at autopsy and attribution of death to COVID-19.SARS-CoV-2 nasopharyngeal swabs were collected at the time of autopsy in all "checklist-positive" decedents. Additional "checklist-negative" decedents were randomly tested daily. Lung slides were blindly reviewed by 3 pathologists, assessing for the presence of diffuse alveolar damage (DAD) and other findings. Sixteen decedents had positive postmortem SARS-CoV-2 nasopharyngeal swabs and underwent complete autopsies. Seven decedents had positive screening checklists. Of these, 4 had DAD and 1 had COVID-19-associated thromboembolic disease. Of the 9 decedents with negative screening checklists, 2 had DAD, but only 1 was attributed to COVID-19; the other was likely drug related. Acute bronchopneumonia was the second most common finding, and aspiration was the likely etiology in cases without concomitant DAD. COVID-19-related DAD was identified more commonly in decedents who screened positive by CDC checklist, but false-negatives did occur. Medical examiner offices should maintain a low threshold for random testing of decedents even when COVID-19 is not suspected.
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Siddiqui AZ, Bhatti UF, Deng Q, Biesterveld BE, Tian Y, Wu Z, Dahl J, Liu B, Xu J, Koike Y, Song J, Zhang J, Li Y, Alam HB, Williams AM. Cl-Amidine Improves Survival and Attenuates Kidney Injury in a Rabbit Model of Endotoxic Shock. Surg Infect (Larchmt) 2021; 22:421-426. [PMID: 32833601 DOI: 10.1089/sur.2020.189] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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] [Indexed: 02/06/2023] Open
Abstract
Objective: Sepsis causes millions of deaths on a global scale annually. Activation of peptidylarginine deiminase (PAD) enzymes in sepsis causes citrullination of histones, which results in neutrophil extracellular trap formation and sepsis progression. This study evaluates pan-PAD inhibitor, Cl-amidine, in a model of lipopolysaccharide (LPS)-induced endotoxic shock in rabbits. We hypothesized that Cl-amidine would improve survival and attenuate kidney injury. Methods: In the survival model, rabbits were injected injected intravenously with 1 mg/kg of LPS, and then randomly assigned either to receive dimethyl sulfoxide (DMSO; 1 mcL/g) or Cl-amidine (10 mg/kg diluted in 1 mcL/g DMSO). They were then monitored for 14 days to evaluate survival. In the non-survival experiment, the same insult and treatment were administered, however; the animals were euthanized 12 hours after LPS injection for kidney harvest. Acute kidney injury (AKI) scoring was performed by a histopathologist who was blinded to the group assignment. Serial blood samples were also collected and compared. Results: Rabbits that received Cl-amidine had a higher survival (72%) compared with the rabbits that received DMSO (14%; p < 0.05). Cl-amidine-treated rabbits had lower (p < 0.05) histopathologic AKI scores, as well as plasma creatinine and blood urea nitrogen (BUN) levels 12 hours after insult. Conclusions: Pan-PAD inhibitor Cl-amidine improves survival and attenuates kidney injury in LPS-induced endotoxic shock in rabbits.
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Affiliation(s)
- Ali Z Siddiqui
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Umar F Bhatti
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Qiufang Deng
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Ben E Biesterveld
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Yuzi Tian
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Zhenyu Wu
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Julia Dahl
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, USA
| | - Baoling Liu
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Jie Xu
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Yui Koike
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Jun Song
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Jifeng Zhang
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Yongqing Li
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Hasan B Alam
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Aaron M Williams
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
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Schmiegelow M, Bruun N, Carranza C, Dahl J, Elming H, Kober L, Sibilitz K, Torp-Pedersen C, Schmiegelow S. Recommendations on echocardiography following surgical aortic valve replacement (SAVR): time for revision? Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
ESC guidelines recommend annual echocardiographic evaluation following biological surgical aortic valve replacement (SAVR), and 5 years following mechanical SAVR. Conversely, increased life expectancy result in increasing demand on health care resources.
Purpose
To assess aortic reintervention rates at 1-year, 3-year and 5-year following biological and mechanical SAVR in relation to estimated echocardiographic controls.
Methods
From the nationwide Danish Register of Surgical Procedures, we identified all patients ≥40 years with isolated biological or mechanical SAVR +/− concomitant coronary artery bypass graft surgery (CABG) during 2000–2016. In 90-day reintervention-free survivors we assessed aortic valve reintervention rates at 1-year, 3-years and 5-years until December 31st, 2017. We further assessed cumulative risk of reintervention by age (<60, 60–69, 70–79, ≥80 years at SAVR) accounting for the competing risk of death during the study period.
Results
The population of 90-day reintervention-free survivors included 10,526 patients with biological SAVR (CABG 39.7%) and 3,677 patients with mechanical SAVR (CABG 23.8%). Reintervention rates at 1-year, 3-years and 5-years were comparable across type of SAVR, and generally low (Figure). Accounting for the competing risk of death, reintervention rates at 5-years were 1.4% (95% CI 1.1–1.6) for biological SAVR and 1.5% (95% CI 1.1–1.9) for mechanical SAVR, respectively. In age-stratified competing risk analyses, we observed the highest rates in patients aged 40–59 years (4% [95% CI 1.8–6] at 5 years for biological SAVR, and 2% [95% CI 1.3–3] for mechanical SAVR). Following biological SAVR, annual echocardiographic controls would yield a total of 34,516 scans in our population in the first 5 years following surgery. This contrasts to a total of 66 reinterventions following biological SAVR in our population between years 1–5 of which the majority was preceded by a hospital admission with a primary diagnosis of endocarditis within the last 90 days prior to the reintervention; which are unlikely to have been diagnosed at the annual assessment scan.
Conclusion(s)
In this nationwide study, reintervention rates following biological or mechanical SAVR were very low within the first five years after surgery suggesting a discrepancy between ESC recommendations on echocardiographic controls following SAVR, the benefit for patients, and the associated resource burden on the health care system.
Figure 1
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- M Schmiegelow
- Holbaek Hospital, Department of Cardiology, Holbaek, Denmark
| | - N.E Bruun
- Zealand University Hospital, Department of Cardiology, Roskilde, Denmark
| | - C.L Carranza
- Rigshospitalet - Copenhagen University Hospital, Department of Cardiothoracic Surgery, Copenhagen, Denmark
| | - J Dahl
- University of Southern Denmark, Department of Cardiology, Odense, Denmark
| | - H Elming
- Zealand University Hospital, Department of Cardiology, Roskilde, Denmark
| | - L Kober
- Rigshospitalet - Copenhagen University Hospital, The Heart Centre, Copenhagen, Denmark
| | - K Sibilitz
- Rigshospitalet - Copenhagen University Hospital, The Heart Centre, Copenhagen, Denmark
| | - C.L Torp-Pedersen
- Aalborg University Hospital, Department of Clinical Medicine, Aalborg, Denmark
| | - S.S Schmiegelow
- Zealand University Hospital, Department of Cardiology, Roskilde, Denmark
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Rehman J, Rempel G, Williams E, Meakins L, Bauman M, Massicotte P, Davis R, Dahl J, Mackie A. DEVELOPMENT AND EVALUATION OF A PREOPERATIVE PREPARATION PROGRAM FOR PARENTS OF CHILDREN UNDERGOING FONTAN SURGERY. Can J Cardiol 2020. [DOI: 10.1016/j.cjca.2020.07.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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9
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Whalen L, Dahl J, Krebs E, Yarboro L. Same Game New Rules: What is the Impact of the 2018 UNOS Heart Allocation Change? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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10
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Hartmund Frederiksen P, Christensen NL, Bakkestroem R, Storch RC, Banke A, Dahl J, Moller JE. P1384 Longitudinal strain in basal, midventricular and apical segments in aortic stenosis and mitral regurgitation and the relationship to pulmonary capillary wedge pressure at exercise. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Supported by the Danish Heart Foundation
Background
Two dimensional speckle tracking provide reproducible regional and global assessment of left ventricular (LV) function. Valvular heart disease imposes both pressure overload (aortic stenosis (AS) and volume overload (mitral regurgitation (MR) on the LV. Despite high prevalence of valvular heart disease, little is known about the relationship between longitudinal strain (LS) measures and exercise hemodynamics in the pressure over loaded LV AS and the volume over loaded LV in MR.
Purpose
To describe the relationship between segmental LS in AS and MR according to normal or increased pulmonary capillary wedge pressure with exercise.
Methods
In a cross-sectional study patients with asymptomatic AS (aortic valve area <1 cm2 and peak velocity >3.5 m/s) and patients with primary MR (effective regurgitant orifice > 0.30 cm2) underwent echocardiography and stress test in semi-supine position with invasive hemodynamic assessment using a Swan-Ganz catheter. Echocardiograms were performed at rest on a Vivid 9 (GE, Horten, Norway) and stored for offline analysis. Semi-automatic software (Echopac version 202, GE) was used for LS analysis and recorded using an 18-segment model of the LV followed by segmentation into basal (BAS), midventricular (MID) and apical (API) segments. Semi-supine stress test was performed with increase in workload every third minute until exhaustion; at maximum exercise, pulmonary capillary wedge pressure was measured (maxPCWP). Patients were grouped according to maxPCWP > 28 mmHg (group 1) or ≤ 28 mmHg (group 2). Results are shown as mean ± SD, student’s t-test was used for continues data and pearsons chi-squared test was used for categorical data.
Results
Thirty-five patients with AS (age 73 ± 7.0 years, 74% men), and in 44 patients with MR (age 64 ± 8.8 years, 77% men) were studied. Patients with AS had a global LS of -18.8 ± 3.3% vs. -21.5 ± 3.3% in MR patients (p = 0.001). Basal, midventricular and apical LS was -14.5%±2.2%, -18.4 ± 2.9% and -26.3 ± 5.5% in AS patients and -18.4 ± 2.6%, -21.9 ± 2.9% and -26.7 ± 5.1% in MR patients (p < 0.001, p < 0.001 and 0.442, respectively). The proportion of AS patients that were in group 1(n = 23) were higher than the proportion of MI patients that were in group 1 (n = 19, 66 % vs 42%, p = 0.046). Patients in group 1 had lower LS in all segments (BAS: -15.7 ± 2.8% vs -17.7 ± 3.1%, MID: -19.3 ± 2.9% vs. -21.6 ± 3.4%, API: -26.0 ± 5.0% vs -27.8 ± 5.4%) but only BAS and MID segments were statistically significant(p = 0.005 and p = 0.002, respectively). In both AS and MR, patients in group 1 had lower segmental LS, but only MID LS in MR patients was statistically significant (-20.9%±2.5% vs -22.7 ± 2.9%, p = 0.030).
Conclusion
In patients with AS or MR PCWP above 28 mmHg with exercise was associated with lower LS in BAS and MID segments. This implies that in both pressure and volume overload resting LV function is depressed when patients have abnormally elevated filling pressure with exercise.
Abstract P1384 Figure. Longitudinal strain
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Affiliation(s)
| | - N L Christensen
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - R Bakkestroem
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - R C Storch
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - A Banke
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - J Dahl
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - J E Moller
- Odense University Hospital, Department of Cardiology, Odense, Denmark
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Banke A, Schou M, Dahl J, Frederiksen P, Videbaek L, Ewertz M, Cold S, Moeller J. P1533 Early evaluation of global longitudinal strain and biomarkers at initiation of trastuzumab treatment in breast cancer patients. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
The Danish Heart Foundation, Copenhagen (grant number: 14-R97-A5188-22839 and 15-R99-A5940). The Research Fond of the Region of Southern Denmark.
Background
Global longitudinal strain (GLS) is recommended to detect subclinical changes preceding reduced left ventricular ejection fraction (LVEF) in trastuzumab related cardiotoxicity. The possibility to detect signs of acute myocardial deterioration at treatment initiation is not thoroughly investigated. Accordingly, the aim of this study was to assess changes in GLS and biomarkers within the first two weeks of trastuzumab treatment.
Methods
In a prospective cohort study 45 patients with non-metastatic breast cancer (age 54, LVEF 62.8% (SD ± 3.6), GLS -19.9% (SD ± 2.1), 40% hypertension) were included. Examinations including echocardiography and measurement of troponin T and NT-proBrain Natriuretic Peptide were conducted before initiation of trastuzumab, at day 3, 7 and 14 and after 3, 6 and 9 months.
Results
A significant deterioration in LVEF, GLS, s’, e’ septal and s’RV occurred during the 9 months study period and was proceed by significant changes in all these parameters within the first 14 days.
After 14 days 12 patients (27%) had an increase in GLS ≥10 %, which was associated with significantly lower LVEF at nine month at 55.2% (SD ± 4.1) vs. 59.5% (SD ± 3.5) (p = 0.001) compared to patients with <10 % early increase in GLS (Figure 1). No difference in plasma concentrations of cardiac biomarkers was observed between the two groups.
Conclusion
In this cohort study deteriorations in key echocardiographic parameters were detected within the first two weeks of trastuzumab treatment, and an early 10 % increase in GLS was associated with a lower LVEF at nine months.
Abstract P1533 Figure 1
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Affiliation(s)
- A Banke
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - M Schou
- Herlev Hospital - Copenhagen University Hospital, Department of Cardiology, Copenhagen, Denmark
| | - J Dahl
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - P Frederiksen
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - L Videbaek
- Odense University Hospital, Department of Cardiology, Odense, Denmark
| | - M Ewertz
- University of Southern Denmark, Department of Clinical Research, Odense, Denmark
| | - S Cold
- Odense University Hospital, Department of Oncology, Odense, Denmark
| | - J Moeller
- Odense University Hospital, Department of Oncology, Odense, Denmark
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Bhatti UF, Williams AM, Kathawate RG, Chang P, Zhou J, Biesterveld BE, Wu Z, Dahl J, Liu B, Li Y, Alam HB. Comparative analysis of isoform-specific and non-selective histone deacetylase inhibitors in attenuating the intestinal damage after hemorrhagic shock. Trauma Surg Acute Care Open 2019; 4:e000321. [PMID: 31692634 PMCID: PMC6804098 DOI: 10.1136/tsaco-2019-000321] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/18/2019] [Accepted: 06/02/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Isoform-specific histone deacetylase inhibitors (HDACIs) MC1568 and ACY1083 are comparable to the non-selective HDACI valproic acid (VPA) in improving survival in rodents undergoing lethal hemorrhage. However, the organ-specific properties of isoform-specific HDACIs have not been fully evaluated. Also, whether they can act synergistically is not known. We hypothesized that isoform-specific HDACIs are superior to VPA in attenuating intestinal injury and act synergistically when coadministered. METHODS Sprague Dawley rats were hemorrhaged (40% of total blood volume) and randomized to receive (n=4 per group) (1) MC1568 (5 mg/kg), (2) ACY1083 (30 mg/kg), (3) MC1568+ACY1083 (combination: 5 mg/kg + 30 mg/kg, respectively), (4) VPA (250 mg/kg), or (5) normal saline (NS; vehicle; 250 μL). Animals were observed for 3 hours, after which blood samples were collected and samples of the ileum were harvested. Expression of interleukin 1 beta (IL-1β), tumor necrosis factor alpha (TNF-α), and cytokine-induced neutrophil chemoattractant 1 (CINC-1) was assessed in the tissues using enzyme-linked immunosorbent assay. Intestinal cleaved caspase 3 (c-caspase 3) levels were assessed as a marker of apoptosis, and histologic sections of the ileum were examined for signs of bowel injury. Levels of IL-1β and TNF-α were also measured in the serum as global markers of inflammation. RESULTS Treatments with MC1568, ACY1083, MC1568+ACY1083, and VPA were associated with decreased IL-1β levels in the intestine and serum compared with NS. IL-1β and TNF-α levels were significantly lower in the ACY1083 group compared with the VPA group. CINC-1 levels were significantly lower in the isoform-specific HDACI groups compared with the NS; however, no significant differences were seen with VPA. All treatment groups had a lower expression of intestinal c-caspase 3 compared with NS. Furthermore, MC1568 and ACY1083 groups had lower apoptosis compared with the VPA group. Bowel injury scores were significantly lower in the isoform-specific HDACI groups compared with the NS group; however, the attenuation in the VPA-treated animals did not reach statistical significance. DISCUSSION Isoform-specific HDACIs provide superior intestinal protection compared with VPA in a rodent model of hemorrhagic shock. LEVEL OF EVIDENCE Preclinical study.
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Affiliation(s)
- Umar F Bhatti
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Aaron M Williams
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | | | - Panpan Chang
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
- Trauma Center, Department of Orthopedics and Traumatology, Peking University People's Hospital, Beijing, China
| | - Jing Zhou
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
- Trauma Center, Department of Orthopedics and Traumatology, Peking University People's Hospital, Beijing, China
| | | | - Zhenyu Wu
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Julia Dahl
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Baoling Liu
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Yongqing Li
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Hasan B Alam
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
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Kaiser M, Jacobson M, Andersen PH, Bækbo P, Cerón JJ, Dahl J, Escribano D, Jacobsen S. Correction to: Inflammatory markers before and after farrowing in healthy sows and in sows affected with postpartum dysgalactia syndrome. BMC Vet Res 2018; 14:175. [PMID: 29859077 PMCID: PMC5984813 DOI: 10.1186/s12917-018-1471-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- M Kaiser
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, Copenhagen University, Højbakkegård Alle 5, 2630, Taastrup, Denmark.
| | - M Jacobson
- Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Science, Swedish University of Agricultural Sciences, p.o. Box 7054, SE-750 07, Uppsala, Sweden
| | - P H Andersen
- Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Science, Swedish University of Agricultural Sciences, p.o. Box 7054, SE-750 07, Uppsala, Sweden
| | - P Bækbo
- SEGES, Danish Pig Research Center, Danish Agriculture & Food Council, Agro Food Park 15, 8200, Aarhus N, Denmark
| | - J J Cerón
- Department of Animal Medicine and Surgery, Regional "Campus of Excellence Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain
| | - J Dahl
- Danish Agriculture and Food Council, Axelborg, Axeltorv 3, 1709, Copenhagen V, Denmark
| | - D Escribano
- Department of Animal Medicine and Surgery, Regional "Campus of Excellence Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain
| | - S Jacobsen
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, Copenhagen University, Højbakkegård Alle 5, 2630, Taastrup, Denmark
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Stirner H, Dahl J, Uebis R, Kleinhans E, Biedermann M, Große W, Simon HJ, Buell U. Quantitative Evaluation of Myocardial Stress/Rest 201TISPECT: Results of a ROI-Based Method in 108 Patients with CHD. Nuklearmedizin 2018. [DOI: 10.1055/s-0038-1628896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
ROI-based polar maps (33 ROIs) were employed to evaluate quantitatively stress/rest myocardial 201TI SPECT in 108 patients with angiographically proven coronary heart disease (CHD) in comparison with 30 controls. Sensitivity in detecting a CHD with stenoses of > 50% of luminal diameter was determined versus normal regional values (± 2.5 SD) employing vitality (VI) and wash-out corrected redistribution (RD). The method was evaluated referring to the severity of the disease, to the number of ROIs displaying changes [(a) 1 ROI, (b) >2 ROIs], to validity of VI, RD or a combination thereof, and for specificity. Wash-out values were found to depend on degree of stress individually achieved and thus were not used as a threshold criterion. Sensitivity in supply areas with old myocardial infarctions was 95% (a) and 86% (b), resp. With no infarction, it was 96% (a) and 79% (b), resp. VI in stenosis > 75% was more sensitive than RD. However, combined evaluation of VI and RD yielded sensitivities from 91-100% (a) and 77-94% (b), resp. for different main supply areas. In stenosis < 50% with normal VI, RD was positive in 18-31 %. Specificity turned out to be 91 % (a) and 97% (b), resp. We conclude that the method presented is reliable to quantify numerically 201TI kinetics in myocardial SPECT, aimed at detecting and describing CHD.
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Sandberg M, Dahl J, Lindegaard L, Pedersen J. Compliance/non-compliance with biosecurity rules specified in the Danish Quality Assurance system (KIK) and Campylobacter- positive broiler flocks 2012 and 2013. Poult Sci 2017; 96:184-191. [DOI: 10.3382/ps/pew277] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 01/26/2016] [Accepted: 07/01/2016] [Indexed: 12/22/2022] Open
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Koschutnik M, Ionin VA, Boeckstaens S, Zakhama L, Hinojar R, Chiu DYY, Kovacs A, Kochmareva EA, Saliba E, Stanojevic D, Aalen J, Chen XH, Zito C, Demerouti E, Smarz K, Krljanac G, Christensen NL, Cavalcante JL, Pal M, Magne J, Giannakopoulos G, Liu D, Chien CY, Moustafa TAMER, Schwaiger M, Zotter-Tufaro C, Aschauer S, Duca F, Kammerlander A, Bonderman D, Mascherbauer J, Zaslavskaya EL, Soboleva AV, Listopad OV, Malikov KN, Baranova EI, Shlyakhto EV, Van Der Hoogstraete M, Coltel N, De Laet N, Beernaerts C, Desmet K, Gillis K, Droogmans S, Cosyns B, Antit S, Herbegue B, Slama I, Belaouer A, Chenik S, Boussabah E, Thameur M, Masmoudi M, Benyoussef S, Fernandez-Golfin C, Gonzalez-Gomez A, Casas E, Garcia Martin A, Pardo A, Del Val D, Ruiz S, Moya JL, Barrios V, Jimenez Nacher JJ, Zamorano JL, Kalra PA, Green D, Hughes J, Sinha S, Abidin N, Muraru D, Lakatos BK, Surkova E, Peluso D, Toser Z, Tokodi M, Merkely B, Badano LP, Volkova AL, Rusina VA, Kokorin VA, Gordeev IG, Baudet M, Chartrand Lefebvre C, Chen-Tournoux A, Hodzic A, Tournoux F, Apostolovic S, Jankovic-Tomasevic R, Djordjevic-Radojkovic D, Salinger-Martinovic S, Kostic T, Tahirovic E, Dungen HD, Andersen OS, Gude E, Andreassen A, Aalen OO, Larsen CK, Remme EW, Smiseth OA, Xu HG, Liu FC, Zha DG, Cui K, Zhang AD, Trio O, Soraci E, Cusma Piccione M, D'amico G, Ioppolo A, Alibani L, Falanga G, Todaro MC, Oreto L, Nucifora G, Vizzari G, Pizzino F, Di Bella G, Carerj S, Boutsikou M, Perreas K, Katselis CH, Samanidis G, Antoniou TH, Karatasakis G, Zaborska B, Jaxa-Chamiec T, Maciejewski P, Bartoszewicz Z, Budaj A, Trifunovic D, Asanin M, Savic L, Matovic D, Petrovic M, Zlatic N, Mrdovic I, Dahl JS, Carter-Storch R, Bakkestroem R, Soendergaard E, Videbaek L, Moeller JE, Rijal S, Abdelkarim I, Althouse AD, Sharbaugh MS, Fridman Y, Han W, Soman P, Forman DE, Schindler JT, Gleason TG, Lee JE, Schelbert EB, Dekany G, Mandzak A, Chaurasia AK, Gyovai J, Hegedus N, Piroth ZS, Szabo GY, Fontos G, Andreka P, Cosyns B, Popescu BA, Carstensen HG, Dahl J, Desai M, Kearney L, Marwick T, Sato K, Takeuchi M, Zito C, Mohty D, Lancellotti P, Habib G, Noble S, Frei A, Mueller H, Hu K, Liebner E, Weidemann F, Herrmann S, Ertl G, Voelker W, Gorski A, Leyh R, Stoerk S, Nordbeck P, Tsai WC, Moustafa TAMER, Aldydamony MOHAMD, Aldydamony MOHAMD. Poster Session 5The imaging examination and quality assessmentP1064The natural course of heart failure with preserved ejection fraction (HFpEF) - insights from an exploratory echocardiographic registryP1065Epicardial fat and effectiveness of catheter radiofrequency ablation in patients with atrial fibrillation and metabolic syndromeP1066Systematic disinfection of echocardiographic probe after each examination to reduce the persistence of pathogens as a potential source of nosocomial infectionsP1067Left atrial mechanical function assessed by two-dimensional echocardiography in hypertensive patientsP1068Real live applications of three-dimensional echocardiographic quantification of the left ventricular volumes and function using an automated adaptive analytics algorithmP10693D echocardiographic left ventricular dyssynchrony indices in end stage kidney disease: associations and outcomesP1070Relative contribution of right ventricular longitudinal shortening and radial displacement to global pump function in healthy volunteersP1071ECHO-parameters, associated with short-term mortality and long-term complications in patients with pulmonary embolism of high and intermediate riskP1072Increased epicardial fat is an independent marker of heart failure with preserved ejection fraction.P1073Influence of optimized beta-blocker therapy on diastolic dysfunction determined echocardiographically in heart failure patientsP1074Early diastolic mitral flow velocity/ annular velocity ratio is a sensitive marker of elevated filling pressure in left ventricular dyssynchronyP1075Left ventricular diastolic function in STEMI patients receiving early and late reperfusion by percutaneous coronary intervention P1076Could anatomical and functional features predict cerebrovascular events in patients with patent foramen ovale?P1077Efficacy of endarterectomy of the left anterior descending artery: evaluation by adenosine echocardiography?P1078Left ventricular diastolic dysfunction after acute myocardial infarction with preserved ejection fraction is related to lower exercise capacityP1079Potentially predictors of ventricular arrhythmia during six months follow up in STEMI patientsP1080Association between left atrial dilatation and invasive haemodynamics at rest and during exercise in asymptimatic aortic stenosisP1081Cardiac amyloidosis and aortic stenosis - the convergence of two aging processes and its association with outcomesP1082Prognostic impact of initial left ventricular dysfunction and mean gradient after transcatheter aortic valve implantationP1083Distribution and prognostic significance of left ventricular global longitudinal strain in asymptomatic significant aortic stenosis: an individual participant data meta-analysisP1084Discrepancies between echocardiographic and invasive assessment of aortic stenosis in multimorbid elderly patientsP1085Echocardiographic determinants and outcome of patients with low-gradient moderate and severe aortic valve stenosis: implications for aortic valve replacementP1086Atrial deformation correlated with functional capacity in mitral stenosisP1087Net atrioventricular compliance can predict reduction of pulmonary artery pressure after percutaneous mitral balloon commissurotomy. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew262] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Refsum E, Mörtberg A, Dahl J, Meinke S, Auvinen MK, Westgren M, Reilly M, Höglund P, Wikman A. Characterisation of maternal human leukocyte antigen class I antibodies in suspected foetal and neonatal alloimmune thrombocytopenia. Transfus Med 2016; 27:43-51. [DOI: 10.1111/tme.12375] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 10/04/2016] [Accepted: 10/09/2016] [Indexed: 12/29/2022]
Affiliation(s)
- E. Refsum
- Department of Laboratory Medicine; Karolinska Institutet, Stockholm, Sweden
| | - A. Mörtberg
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital; Stockholm Sweden
| | - J. Dahl
- Department of Medical Biology, Immunology Research Group; Arctic University of Norway; Tromso Norway
| | - S. Meinke
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine (HERM); Karolinska Institutet; Stockholm Sweden
| | - M.-K. Auvinen
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital; Stockholm Sweden
- Advanced Medical and Dental Institute; Universiti Sains Malaysia; George Town Malaysia
| | - M. Westgren
- Department of Obstetrics and Gynaecology; Karolinska University Hospital; Stockholm Sweden
| | - M. Reilly
- Department of Medical Epidemiology and Biostatistics; Karolinska Institutet; Stockholm Sweden
| | - P. Höglund
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital; Stockholm Sweden
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine (HERM); Karolinska Institutet; Stockholm Sweden
| | - A. Wikman
- Department of Laboratory Medicine; Karolinska Institutet, Stockholm, Sweden
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital; Stockholm Sweden
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Hoffmann M, Marmodoro A, Ernst A, Hergert W, Dahl J, Lång J, Laukkanen P, Punkkinen MPJ, Kokko K. Quantitative description of short-range order and its influence on the electronic structure in Ag-Pd alloys. J Phys Condens Matter 2016; 28:305501. [PMID: 27269809 DOI: 10.1088/0953-8984/28/30/305501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We investigate the effect of short-range order (SRO) on the electronic structure in alloys from the theoretical point of view using density of states (DOS) data. In particular, the interaction between the atoms at different lattice sites is affected by chemical disorder, which in turn is reflected in the fine structure of the DOS and, hence, in the outcome of spectroscopic measurements. We aim at quantifying the degree of potential SRO with a proper parameter. The theoretical modeling is done with the Korringa-Kohn-Rostoker Green's function method. Therein, the extended multi-sublattice non-local coherent potential approximation is used to include SRO. As a model system, we use the binary solid solution Ag c Pd1-c at three representative concentrations c = 0.25, 0.5 and 0.75. The degree of SRO is varied from local ordering to local segregation through an intermediate completely uncorrelated state. We observe some pronounced features, which change over the whole energy range of the valence bands as a function of SRO in the alloy. These spectral variations should be traceable in modern photoemission experiments.
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Affiliation(s)
- M Hoffmann
- IFW Dresden, PO Box 270116, D-01171 Dresden, Germany. Institute of Physics, Martin Luther University Halle-Wittenberg, D-06099 Halle, Germany
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Dahl J, Ormstad H, Aass HCD, Sandvik L, Malt UF, Andreassen OA. Recovery from major depressive disorder episode after non-pharmacological treatment is associated with normalized cytokine levels. Acta Psychiatr Scand 2016; 134:40-7. [PMID: 27028967 DOI: 10.1111/acps.12576] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/03/2016] [Indexed: 12/19/2022]
Abstract
BACKGROUND Several lines of evidence show that the immune system is implicated in the pathophysiology of major depressive disorder (MDD) and that treatment with antidepressants affects cytokine and C-reactive protein (CRP) levels. Few studies have investigated immune markers during non-pharmacological treatment. In this follow-up study, we investigated whether CRP and elevated plasma cytokine levels observed before treatment of an acute episode of MDD are normalized during non-pharmacological treatment. METHODS We obtained clinical assessments and blood for CRP and cytokine analysis from 50 unmedicated MDD patients, and cytokine levels from healthy controls. The patients received 'therapy as usual' for 12 weeks, and the assessments were then repeated. Of the 43 completers, 29 patients did not receive medication. RESULTS In the patients receiving treatment without antidepressants, the depressive symptoms and the plasma levels of eight cytokines (interleukin (IL)-1Ra, IL-5,-6,-8,-10, G-CSF, IFN-γ, and TNF-α) were significantly reduced (P = 0.002-0.048). The cytokine levels were no longer different from the controls. The plasma CRP level did not change. CONCLUSION Cytokine plasma levels normalized during recovery from an acute depressive episode in MDD without antidepressant treatment. These findings may have implications for the understanding of the role of the immune system in depression and recovery from depression.
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Affiliation(s)
- J Dahl
- Ringerike Psychiatric Center, Vestre Viken Hospital Trust, Hoenefoss, Norway
| | - H Ormstad
- Faculty of Health Sciences, Buskerud University College, Drammen, Norway
| | - H C D Aass
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | - L Sandvik
- Center for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
| | - U F Malt
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Norwegian Research Network on Mood Disorders (Normood), Oslo, Norway.,Department of Research and Education, Division of Surgery and Neuroscience, Oslo University Hospital, Oslo, Norway
| | - O A Andreassen
- NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
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Dahl J, Husebekk A, Acharya G, Flo K, Stuge T, Skogen B, Straume B, Tiller H. Maternal anti-HLA class I antibodies are associated with reduced birth weight in thrombocytopenic neonates. J Reprod Immunol 2016; 113:27-34. [DOI: 10.1016/j.jri.2015.10.003] [Citation(s) in RCA: 11] [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: 06/09/2015] [Revised: 08/16/2015] [Accepted: 10/19/2015] [Indexed: 01/19/2023]
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21
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Flatøy B, Röhrl SM, Rydinge J, Dahl J, Diep LM, Nordsletten L. Triple taper stem design shows promising fixation and bone remodelling characteristics: radiostereometric analysis in a randomised controlled trial. Bone Joint J 2015; 97-B:755-61. [PMID: 26033054 DOI: 10.1302/0301-620x.97b6.34736] [Citation(s) in RCA: 9] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Cemented femoral stems with force closed fixation designs have shown good clinical results despite high early subsidence. A new triple-tapered stem in this category (C-stem AMT) was introduced in 2005. This study compares this new stem with an established stem of similar design (Exeter) in terms of migration (as measured using radiostereometric analysis), peri-prosthetic bone remodelling (measured using dual energy x-ray densitometry, DXA), Oxford Hip Score, and plain radiographs. A total of 70 patients (70 hips) with a mean age of 66 years (53 to 78) were followed for two years. Owing to missing data of miscellaneous reasons, the final analysis represents data from 51 (RSA) and 65 (DXA) patients. Both stems showed a typical pattern of migration: Subsidence and retroversion that primarily occurred during the first three months. C-stem AMT subsided less during the first three months (p = 0.01), before stabilising at a subsidence rate similar to the Exeter stem from years one to two. The rate of migration into retroversion was slightly higher for C-stem AMT during the second year (p = 0.03). Whilst there were slight differences in movement patterns between the stems, the C-stem AMT exhibits good early clinical outcomes and displays a pattern of migration and bone remodelling that predicts good clinical performance.
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Affiliation(s)
- B Flatøy
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
| | - S M Röhrl
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
| | - J Rydinge
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
| | - J Dahl
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
| | - L M Diep
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
| | - L Nordsletten
- Oslo University Hospital, P. O. Box 4950 Nydalen, N-0424 Oslo, Norway
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Abstract
Abstract. This research examined whether threats to masculinity both inspired men’s efforts to reestablish their power over women via the promotion of ideologies that implicitly subordinate women and occurred when men were outperformed by women in masculine domains. Masculinity was threatened by telling men they scored like women on a gender knowledge test ( Rudman & Fairchild, 2004 ), which sequentially led to more concern about how they were perceived by others, increased anger, and the increased endorsement of social dominance orientation (Study 1a) and benevolent sexism (Study 1b). Study 2 additionally shows that men experienced threats to masculinity when outperformed by women in masculine domains; when outperformed by a woman, men reported more concern about how they looked to others, which predicted increased anger and the subsequent sexualization of the woman. The findings link masculinity threats to the promotion of ideologies that implicitly subordinate women; the consequences of these linkages are discussed.
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Affiliation(s)
- Julia Dahl
- Department of Psychology, Penn State University, University Park, PA, USA
| | - Theresa Vescio
- Department of Psychology, Penn State University, University Park, PA, USA
| | - Kevin Weaver
- Department of Psychology, Penn State University, University Park, PA, USA
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Abstract
The marker CD19 is frequently expressed on the surface of malignant B cells including non-Hodgkin's lymphoma (NHL), chronic lymphocytic leukemia (CLL) and acute lymphoblastic leukemia (ALL), which makes it an attractive target for antineoplastic therapy (1). T cells are part of the immune surveillance system for malignant cells (2). Blinatumomab is a bispecific T cell engager (BiTE(®)) antibody that binds both CD3-positive T cells and CD19-positive B cells via its two variable antigen-binding domains. Once bound to both the T and B cell, blinatumomab induces T-cell activation and subsequently perforin-mediated malignant B-cell death. It has shown efficacy in ALL with minimal residual disease, relapsed/refractory ALL, and NHL in phase I and II clinical trials. With a favorable safely profile and promising results, blinatumomab was granted accelerated FDA approval to treat B-cell ALL in December 2014. Herein, we will review the most relevant data related to blinatumomab in ALL.
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Affiliation(s)
- J Dahl
- Department of Leukemia, U.T. M.D. Anderson Cancer Center, Houston, Texas, USA
| | - M Mace
- Department of Leukemia, U.T. M.D. Anderson Cancer Center, Houston, Texas, USA
| | - H Kantarjian
- Department of Leukemia, U.T. M.D. Anderson Cancer Center, Houston, Texas, USA
| | - E Jabbour
- Department of Leukemia, U.T. M.D. Anderson Cancer Center, Houston, Texas, USA.
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Zilberszac R, Gabriel H, Maurer G, Rosenhek R, Dulgheru R, Magne J, Capoulade R, Pierard L, Pibarot P, Lancellotti P, Zito C, Todaro M, Cusma-Piccione M, Falanga G, Di Bella G, Acri E, Pardeo A, Virga V, Barbaro C, Carerj S, Lisi M, Henein M, Cameli M, Ballo P, Reccia R, Bennati E, Chiavarelli M, Maccherini M, Mondillo S, Dahl J, Videbaek L, Poulsen M, Rudbaek T, Pellikka P, Rasmussen L, Moller J, Touati A, Messika-Zeitoun D, Himbert D, Sordi M, Chiampan A, Brochet E, Iung B, Vahanian A, Sordi M, Messika-Zeitoun D, Himbert D, Serfaty J, Chiampan A, Touati A, Brochet E, Iung B, Vahanian A, Muratori M, Tamborini G, Gripari P, Fusini L, Barbier P, Salvi L, Bartorelli A, Maffessanti F, Alamanni F, Pepi M, Rajamannan N, Da Silva C, Manouras A, Winter R, Back M, Ruck A, Settergren M, Sahlen A, Shahgaldi K. Aortic stenosis: prognosis and management: Aortic stenosis. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes254] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cikes M, Tong L, Jasaityte R, Hamilton J, Sutherland G, D'hooge J, Yurdakul S, Oner F, Avci BK, Sahin S, Direskeneli H, Aytekin S, Fang F, Chan A, Zhang Q, Sanderson J, Kwong J, Yu C, Zaidi A, Raju H, Ghani S, Gati S, Cox A, Sheikh N, Sharma R, Sharma S, Kutty S, Kottam A, Padiyath A, Gao S, Drvol L, Lof J, Li L, Rangamani S, Danford D, Kuehne T, Rosner A, Avenarius D, Malm S, Iqbal A, Baltabaeva A, Schirmer H, Bijnens B, Myrmel T, Magalhaes A, Silva Marques J, Martins S, Carrilho Ferreira P, Jorge C, Silva D, Placido R, Goncalves S, Almeida A, Nunes Diogo A, Poulidakis E, Aggeli C, Sideris S, Dilaveris P, Gatzoulis K, Felekos I, Koutagiar I, Sfendouraki E, Roussakis G, Stefanadis C, Zhang Q, Sun J, Gao R, Feng Y, Liu X, Sheng W, Liu F, Yu C, Hallioglu O, Citirik D, Buyukakilli B, Ozeren M, Gurgul S, Tasdelen B, Rodriguez Lopez A, Rodriguez Lopez A, Garcia Cuenllas L, Garcia Cuenllas L, Medrano C, Medrano C, Granja S, Granja S, Marin C, Marin C, Maroto E, Maroto E, Alvarez T, Alvarez T, Ballesteros F, Ballesteros F, Camino M, Camino M, Centeno M, Centeno M, Alraies M, Aljaroudi W, Halley C, Rodriguez L, Grimm R, Thomas J, Jaber W, Knight D, Coghlan J, Muthurangu V, Grasso A, Toumpanakis C, Caplin M, Taylor A, Davar J, Mohlkert LA, Halvorsen C, Hallberg J, Sjoberg G, Norman M, Cameli M, Losito M, Lisi M, Natali B, Massoni A, Maccherini M, Chiavarelli M, Massetti M, Mondillo S, Sljivic A, Stojcevski B, Celic V, Pencic B, Majstorovic A, Cosic Z, Backovic S, Ilic-Djordjevic I, Muraru D, Gripari P, Esposito R, Tamborini G, Galderisi M, Ermacora D, Maffessanti F, Santoro C, Pepi M, Badano L, Bombardini T, Cini D, Picano E, Shahgaldi K, Gunyeli E, Sahlen A, Manouras A, Winter R, Banovic M, Vukcevic V, Ostojic M, Markovic Z, Mladenovic A, Trifunovic D, Stojkovic S, Bacic D, Dedovic D, Seferovic P, Huttin O, Coulibaly S, Mercy M, Schwartz J, Zinzius P, Sellal J, Popovic B, Marie P, Juilliere Y, Selton-Suty C, Gurzun MM, Ionescu A, Bahlay B, Jones G, Rimbas R, Enescu O, Mihaila S, Ciobanu A, Vinereanu D, Vlasseros I, Koumoulidis A, Tousoulis D, Veioglanis S, Avgeropoulou A, Katsi V, Stefanadis C, Kallikazaros I, Kiviniemi T, Ylitalo A, Airaksinen K, Lehtinen T, Saraste A, Pietila M, Karjalainen P, Trifunovic D, Ostojic M, Stankovic S, Vujisic-Tesic B, Petrovic M, Banovic M, Boricic M, Draganic G, Petrovic M, Stepanovic J, Kuznetsov V, Yaroslavskaya E, Pushkarev G, Krinochkin D, Zyrianov I, Dekleva M, Stevanovic A, Kleut M, Suzic Lazic J, Markovic Nikolic N, Akhunova S, Saifullina G, Sadykov A, Loudon M, D'arcy J, Arnold L, Reynolds R, Mabbet C, Prendergast B, Dahl J, Videbaek L, Poulsen M, Rudbaek T, Pellikka P, Rasmussen L, Moller J, Lowery C, Frenneaux M, Dawson D, Dwivedi G, Singh S, Rudd A, Mahadevan D, Srinivasan J, Jiminez D, Sahinarslan A, Vecchio F, Maccarthy P, Wendler O, Monaghan M, Harimura Y, Seo Y, Ishizu T, Noguchi Y, Aonuma K, Urdaniz MM, Palomares JFR, Rius JB, Surribas IB, Tura GT, Garcia-Moreno LG, Alujas TG, Masip AE, Mas PT, Dorado DG, Meimoun P, Germain A, Clerc J, Elmkies F, Zemir H, Luycx-Bore A, Nasr GM, Erraki A, Dulgheru R, Magne J, Capoulade R, Elhonsali Z, Pierard LA, Pibarot P, Lancellotti P, Wrideier S, Butz T, Schilling I, Gkiouras G, Sasko B, Van Bracht M, Prull M, Trappe HJ, Castillo Bernal F, Mesa Rubio M, Ruiz Ortiz M, Delgado Ortega M, Morenate Navio M, Baeza Garzon M, Del Pino ML, Toledano Delgado F, Mazuelos F, Suarez de Lezo Herreros de Tejada J, Prinz C, Schumann M, Burghardt A, Seggewiss H, Oldenburg O, Horstkotte D, Faber L, Bistola V, Banner N, Hedger M, Simon A, Rahman Haley S, Baltabaeva A, Adamyan K, Tumasyan LR, Chilingaryan A, Makavos G, Kouris N, Kostopoulos V, Stamatelatou M, Damaskos D, Kartsagoulis E, Olympios C, Sade L, Eroglu S, Bircan A, Pirat B, Sezgin A, Aydinalp A, Muderrisoglu H, Sargento L, Satendra M, Sousa C, Longo S, Lousada N, Dos Reis RP, Kuznetsov V, Krinochkin D, Gapon L, Vershinina A, Shurkevich N, Bessonova M, Yaroslavskaya E, Kolunin G, Sargento L, Satendra M, Sousa C, Lousada N, Dos Reis RP, Azevedo O, Lourenco M, Machado I, Guardado J, Medeiros R, Pereira A, Quelhas I, Lourenco A, Duman D, Sargin F, Kilicaslan B, Inan A, Ozgunes N, Goktas P, Ikonomidis I, Tzortzis S, Paraskevaidis I, Andreadou I, Katseli C, Katsimbri P, Papadakis I, Pavlidis G, Anastasiou-Nana M, Lekakis J, Charalampopoulos A, Howard L, Davies R, Gin-Sing W, Tzoulaki I, Grapsa I, Gibbs J, Dobson RA, Cuthbertson DJ, Burgess M, Lichodziejewska B, Kurnicka K, Goliszek S, Kostrubiec M, Dzikowska-Diduch O, Ciurzynski M, Krupa M, Grudzka K, Palczewski P, Pruszczyk P, Mansencal N, Marcadet D, Montalvan B, Dubourg O, Matveeva N, Nartsissova G, Chernjavskiy A, Eicher JC, Berthier S, Lorcerie B, Philip JL, Wolf JE, Wiesen P, Ledoux D, Massion P, Piret S, Canivet JL, Cusma-Piccione M, Zito C, Imbalzano E, Saitta A, Donato D, Madaffari A, Luzza G, Pipitone V, Tripodi R, Carerj S, Bombardini T, Gherardi S, Arpesella G, Maccherini M, Serra W, Del Bene R, Sicari R, Picano E, Al-Mallah M, Ananthasubramaniam K, Alam M, Chattahi J, Zweig B, Boedeker S, Song T, Khoo J, Davies J, Ang KL, Galinanes M, Chin D, Papamichael ND, Karassavidou D, Mpougialkli M, Antoniou S, Giannitsi S, Chachalos S, Gouva C, Naka K, Katopodis K, Michalis L, Tsang W, Cui V, Ionasec R, Takeuchi M, Houle H, Weinert L, Roberson D, Lang R, Altman M, Aussoleil A, Bergerot C, Sibellas F, Bonnefoy-Cudraz E, Derumeaux GA, Thibault H, Mohamed A, Omran A, Hussein M, Shahgaldi K, Gunyeli E, Sahlen A, Manouras A, Winter R, Squeri A, Binno S, Ferdenzi E, Reverberi C, Baldelli M, Barbieri A, Iaccarino D, Naldi M, Bosi S, Kalinowski M, Szulik M, Streb W, Stabryla J, Nowak J, Rybus-Kalinowska B, Kukulski T, Kalarus Z, Ouss A, Riezebos R, Nestaas E, Skranes J, Stoylen A, Brunvand L, Fugelseth D, Magalhaes A, Silva Marques J, Martins S, Carrilho Ferreira P, Placido R, Jorge C, Silva D, Goncalves S, Almeida A, Nunes Diogo A, Nagy A, Kovats T, Apor A, Nagy A, Vago H, Toth A, Toth M, Merkely B, Ranjbar S, Karvandi M, Hassantash S, Da Silva SG, Marin C, Rodriguez A, Marcos C, Rodriguez-Ogando A, Maroto E, Medrano C, Del Valle DI, Lopez-Fernandez T, Gemma D, Gomez-Rubin M, De Torres F, Feliu J, Canales M, Buno A, Ramirez E, Lopez-Sendon J, Magalhaes A, Silva Marques J, Martins S, Placido R, Silva D, Jorge C, Calisto C, Goncalves S, Almeida A, Nunes Diogo A, Jorge C, Cortez-Dias N, Goncalves S, Ribeiro S, Santos L, Silva D, Barreiros C, Bernardes A, Carpinteiro L, Sousa J, Kim SH, Choi W, Chidambaram S, Arunkumar R, Venkatesan S, Gnanavelu G, Dhandapani V, Ravi M, Karthikeyan G, Meenakshi K, Muthukumar D, Swaminathan N, Vitarelli A, Barilla F, Capotosto L, Truscelli G, Dettori O, Caranci F, D-Angeli I, De Maio M, De Cicco V, Bruno P, Doesch C, Sueselbeck T, Haghi D, Streitner F, Borggrefe M, Papavassiliu T, Laser K, Schaefer F, Fischer M, Habash S, Degener F, Moysich A, Haas N, Kececioglu D, Burchert W, Koerperich H, Dwivedi G, Al-Shehri H, Dekemp R, Ali I, Alghamdi A, Klein R, Scullion A, Beanlands R, Ruddy T, Chow B, Lipiec P, Szymczyk E, Michalski B, Wozniakowski B, Rotkiewicz A, Stefanczyk L, Szymczyk K, Kasprzak J, Angelov A, Yotov Y, Mircheva L, Kisheva A, Kunchev O, Ikonomidis I, Tsantes A, Triantafyllidi H, Tzortzis S, Dima K, Trivilou P, Papadopoulos C, Travlou A, Anastasiou-Nana M, Lekakis J, Bader R, Agoston-Coldea L, Lupu S, Mocan T, Loegstrup B, Hofsten D, Christophersen T, Moller J, Bjerre M, Flyvbjerg A, Botker H, Egstrup K, Park Y, Choi J, Yun K, Lee S, Han D, Kim J, Kim J, Kim J, Chun K. Poster Session Wednesday 5 December all day Display * Determinants of left ventricular performance. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes248] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Weineland S, Alfonsson S, Dahl J, Ghaderi A. Development and validation of a new questionnaire measuring eating disordered behaviours post bariatric surgery. Clin Obes 2012; 2:160-7. [PMID: 25586251 DOI: 10.1111/cob.12005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 11/15/2012] [Accepted: 12/06/2012] [Indexed: 11/28/2022]
Abstract
Contextualization of post-surgery circumstances in terms of key behaviours and emotions related to eating is crucial for reliable screening. Disordered eating post surgery is characterized by frequent snacking and a sense of loss of control over food intake. The purpose of this study was to evaluate the psychometric properties of a short self-report questionnaire entitled Disordered Eating after Bariatric Surgery (DEBS). Results indicate that the DEBS possesses satisfactory psychometric properties in terms of reliability, validity, internal consistency and test-retest reliability. The DEBS may facilitate both systematic clinical evaluation and future research within the area of bariatric surgery.
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Affiliation(s)
- S Weineland
- Department of Psychology, University of Uppsala, Uppsala, Sweden
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Ciccolini M, Dahl J, Chase-Topping ME, Woolhouse MEJ. Disease transmission on fragmented contact networks: livestock-associated Methicillin-resistant Staphylococcus aureus in the Danish pig-industry. Epidemics 2012; 4:171-8. [PMID: 23351369 DOI: 10.1016/j.epidem.2012.09.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 08/17/2012] [Accepted: 09/07/2012] [Indexed: 11/28/2022] Open
Abstract
Animal trade in industrialised livestock-production systems creates a complex, heterogeneous, contact network that shapes between-herd transmission of infectious diseases. We report the results of a simple mathematical model that explores patterns of spread and persistence of livestock-associated Methicillin-resistant Staphylococcus aureus (LA-MRSA) in the Danish pig-industry associated with this trade network. Simulations show that LA-MRSA can become endemic sustained by animal movements alone. Despite the extremely low predicted endemic prevalence, eradication may be difficult, and decreasing within-farm prevalence, or the time it takes a LA-MRSA positive farm to recover a negative status, fails to break long-term persistence. Our results suggest that a low level of non-movement induced transmission strongly affects MRSA dynamics, increasing endemic prevalence and probability of persistence. We also compare the model-predicted risk of 291 individual farms becoming MRSA positive, with results from a recent Europe-wide survey of LA-MRSA in holdings with breeding pigs, and find a significant correlation between contact-network connectivity properties and the model-estimated risk measure.
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Affiliation(s)
- M Ciccolini
- Centre for Immunity, Infection and Evolution, University of Edinburgh, King's Buildings, UK.
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Calvo-Artavia FF, Nielsen LR, Dahl J, Clausen DM, Graumann AM, Alban L. A case-control study of risk factors for bovine cysticercosis in Danish cattle herds. Zoonoses Public Health 2012; 60:311-8. [PMID: 22862807 DOI: 10.1111/j.1863-2378.2012.01537.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bovine cysticercosis (BC) is a zoonotic, parasitic infection in cattle. Under the current EU meat inspection regulation, every single carcass from all bovines above 6 weeks of age is examined for BC. This method is costly and makes more sense in countries with higher number of BC-infected animals than in countries with few lightly infected cases per year. The aim of the present case-control study was to quantify associations between potential herd-level risk factors and BC in Danish cattle herds. Risk factors can be used in the design of a risk-based meat inspection system targeted towards the animals with the highest risk of BC. Cases (n = 77) included herds that hosted at least one animal diagnosed with BC at meat inspection, from 2006 to 2010. Control herds (n = 231) consisted of randomly selected herds that had not hosted any animals diagnosed with BC between 2004 and 2010. The answers from a questionnaire and register data from the Danish Cattle Database were grouped into meaningful variables and used to investigate the risk factors for BC using a multivariable logistic regression model. Case herds were almost three times more likely than control herds to let all or most animals out grazing. Case herds were more than five times more likely than control herds to allow their animals access to risky water sources with sewage treatment plant effluent in proximity. Case herds were also more likely to share machinery or hire contractors than control herds. The risk decreased with increasing herd size probably because the larger herds generally tend to keep cattle indoors in Denmark. The results are useful to guide future data recording that can be supplied by the farmer as food chain information and then be used for differentiated meat inspection in low- and high-risk groups, enabling development of risk-based meat inspection systems.
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Affiliation(s)
- F F Calvo-Artavia
- Department of Large Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
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Ask B, Dahl J, Nielsen MB, Moustsen V. Neonatal piglet traits of importance for survival in crates and indoor pens. J Anim Sci 2012; 90:2879-80; author reply 2881-2. [PMID: 22585827 DOI: 10.2527/jas.2011-4998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Alban L, Baptista F, Møgelmose V, Sørensen L, Christensen H, Aabo S, Dahl J. Salmonella surveillance and control for finisher pigs and pork in Denmark — A case study. Food Res Int 2012. [DOI: 10.1016/j.foodres.2011.02.050] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Weineland S, Hayes SC, Dahl J. Psychological flexibility and the gains of acceptance-based treatment for post-bariatric surgery: six-month follow-up and a test of the underlying model. Clin Obes 2012; 2:15-24. [PMID: 25586043 DOI: 10.1111/j.1758-8111.2012.00041.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
UNLABELLED Research highlights • Bariatric surgery is associated with dramatic weight loss. • Follow-up studies show that many surgery patients continue to struggle with self-stigma, body dissatisfaction and emotional eating. • To date we are aware of only three published randomized controlled trials evaluating psychological interventions in combination with bariatric surgery. • Acceptance and Commitment Therapy (ACT) targets psychological flexibility: acceptance to have difficult feelings and thoughts, while at the same time engaging in vital healthy activities. • The present study shows significant improvements in the ACT group as compared with (TAU) after treatment as usual at a 6-month follow-up and shows that the mechanism of change may be psychological flexibility. • Results from this study indicate the possibility of optimizing bariatric surgery outcomes by adding interventions targeting psychological flexibility. SUMMARY The current article presents and evaluates an Acceptance and Commitment Therapy (ACT) approach for obesity-related psychological struggles post-bariatric surgery. Some patients who have undergone bariatric surgery report loss of control over eating and distress concerning body figure and shape, which can affect other outcomes such as weight loss and quality of life post surgery. A recent randomized trial (n = 39) evaluating a 6-week treatment package of ACT following bariatric surgery found large and significant effects as compared with treatment as usual (TAU) on eating disordered behaviours, body dissatisfaction, psychological flexibility and quality of life. Though effects were found, questions remain regarding maintenance of outcomes and the process changes related to outcomes. The present study examines both the maintenance of behavioural change at a 6-month follow-up for the original study and the processes that may be involved in the outcomes. ACT led to gains in quality of life (es = 0.88) and body dissatisfaction (es = 0.77), as compared with TAU at follow-up. Both groups improved in eating disordered behaviours (ACT; es = 0.86 and TAU; es = 0.55). A series of multiple mediator tests supported the role of enhanced psychological flexibility in the changes seen in body dissatisfaction, eating disordered behaviour and quality of life. This study provides preliminary support for the ACT treatment model in terms of optimizing bariatric surgery outcomes.
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Affiliation(s)
- S Weineland
- Department of Psychology, University of Uppsala, Uppsala, SwedenDepartment of Psychology, University of Nevada, Reno, NV, USA
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Figved W, Dahl J, Snorrason F, Frihagen F, Röhrl S, Madsen JE, Nordsletten L. Radiostereometric analysis of hemiarthroplasties of the hip--a highly precise method for measurements of cartilage wear. Osteoarthritis Cartilage 2012; 20:36-42. [PMID: 22126919 DOI: 10.1016/j.joca.2011.11.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2011] [Revised: 10/29/2011] [Accepted: 11/08/2011] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Cartilage wear is a feature of osteoarthritis and rheumatoid arthritis. Precise measurements of wear have been difficult. Cartilage wear caused by an artificial articulating joint surface is a well-known feature of hemiarthroplasties. The aim of this study was to demonstrate that radiostereometric analysis (RSA) may be used for three-dimensional measurements of cartilage wear in hemiarthroplasties of the hip. METHOD We performed a phantom model study to assess the feasibility of a subsequent clinical trial. We showed that the motion of the prosthetic head relative to the pelvis was not influenced by the orientation of the prosthetic head. Twenty-two patients were randomised to treatment with a cemented or an uncemented hemiarthroplasty for an acute femoral neck fracture. Migration of the prosthetic head into the acetabulum was measured using RSA. RESULTS A mean migration of the prosthetic head into the acetabulum of 0.62 mm was found at 3 months [95% confidence interval (CI): 0.27-0.97] and a further migration of -0.07 mm at 12 months (95% CI: -0.16-0.32). There were no differences between the groups in prosthetic migration or functional outcome. Between three and 12 months, there was no detectable cartilage wear during the first postoperative year. CONCLUSION Whether the migration during the first 3 months represents a period of bedding in due to a harder opposite surface remains to be shown. RSA may be used for measurement of cartilage wear in hemiarthroplasties of the hip. This study demonstrates a highly precise method for measurements of cartilage wear.
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Affiliation(s)
- W Figved
- Orthopaedic Department, Oslo University Hospital, 0407 Oslo, Norway.
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Pabari PA, Kyriacou A, Moraldo M, Unsworth B, Baruah R, Sutaria N, Hughes A, Mayet J, Francis DP, Uejima T, Loboz K, Antonini-Canterin F, Polombo C, Carerj S, Hughes A, Vinereanu D, Evangelista A, Leftheriotis G, Fraser AG, Kiotsekoglou A, Govindan M, Govind SC, Saha SK, Camm AJ, Azcarate PM, Castano S, Rodriguez-Manero M, Arraiza M, Levy B, Barba J, Rabago G, Bastarrika G, Nemes A, Takacs R, Varkonyi T, Gavaller H, Baczko I, Forster T, Wittmann T, Papp JG, Lengyel C, Varro A, Tumasyan LR, Adamyan KG, Savu O, Mieghem T, Dekoninck P, Gucciardo L, Jurcut R, Giusca S, Popescu BA, Ginghina C, Deprest J, Voigt JU, Versiero M, Galderisi M, Esposito R, Rapacciuolo A, Esposito G, Raia R, Morgillo T, Piscione F, De Simone G, Oraby MA, Maklady FA, Mohamed EM, Eraki AZ, Zaliaduonyte-Peksiene D, Tamuleviciute E, Janenaite J, Marcinkeviciene J, Mizariene V, Bucyte S, Vaskelyte J, Trifunovic D, Nedeljkovic I, Popovic D, Ostojic M, Vujisic-Tesic B, Petrovic M, Stankovic S, Sobic-Saranovic D, Banovic M, Dikic-Djordjevic A, Savino K, Lilli A, Grikstaite E, Giglio V, Bordoni E, Maragoni G, Cavallini C, Ambrosio G, Nedeljkovic I, Ostojic M, Vujisic-Tesic B, Jakovljevic B, Petrovic M, Trifunovic D, Beleslin B, Nedeljkovic M, Banovic M, Petrovic O, Moral S, Rodriguez-Palomares J, Descalzo M, Marti G, Pineda V, Mahia P, Gutierrez L, Gonzalez-Alujas T, Evangelista A, Garcia-Dorado D, Schnell F, Donal E, Thebault C, Bernard A, Corbineau H, Le Breton H, Kochanowski J, Scislo P, Piatkowski R, Roik M, Marchel M, Kosior D, Opolski G, Lesniak-Sobelga AM, Wicher-Muniak E, Kostkiewicz M, Olszowska M, Suchon E, Klimeczek P, Banys P, Pasowicz M, Tracz W, Podolec P, Moral S, Rodriguez-Palomares J, Descalzo M, Pineda V, Mahia P, Gutierrez L, Gonzalez-Alujas T, Laynez A, Evangelista A, Garcia-Dorado D, Hoefsten DE, Loegstrup BB, Norager B, Moller JE, Flyvbjerg A, Egstrup K, Streb W, Szulik M, Nowak J, Markowicz-Pawlus E, Duszanska A, Sedkowska A, Kalarus Z, Kukulski T, Spinelli L, Morisco C, Assante Di Panzillo E, Buono F, Crispo S, Trimarco B, Oraby MA, Hawary AA, Nasr GM, Fawzy MM, Faber L, Scholtz W, Boergermann J, Wiemer M, Kleikamp G, Bogunovic N, Dimitriadis Z, Gummert J, Hering D, Horstkotte D, Luca' F, Gelsomino S, Lorusso R, Caciolli S, Carella R, Bille' G, De Cicco G, Pazzagli V, Gensini GF, Borowiec A, Dabrowski R, Janas J, Kraska A, Firek B, Kowalik I, Szwed H, Marcus KA, De Korte CL, Feuth T, Thijssen JM, Kapusta L, Dahl J, Videbaek L, Poulsen MK, Pellikka PA, Veien K, Andersen LI, Haghfelt T, Moller JE, Haberka M, Mizia - Stec K, Adamczyk T, Mizia M, Chmiel A, Pysz P, Sosnowski M, Gasior Z, Trusz - Gluza M, Tendera M, Niklewski T, Wilczek K, Chodor P, Podolecki T, Frycz-Kurek A, Kukulski T, Kalarus Z, Zembala M, Yurdakul S, Yildirimturk O, Tayyareci Y, Memic K, Demiroglu ICC, Aytekin S, Garcia Alonso CJ, Ferrer Sistach E, Delgado L, Lopez Ayerbe J, Vallejo Camazon N, Gual Capllonch F, Espriu Simon M, Ruyra X, Caballero Parrilla A, Bayes Genis A, Lecuyer L, Berrebi A, 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O, Polombo C, Carerj S, Hughes A, Vinereanu D, Gutierrez FR, Lefhtheriotis G, Fraser AG, Hurst RT, Nelson MR, Mookadam F, Thota V, Emani U, Al Harthi M, Stepanek J, Cha S, Lester SJ, Ho EMM, Hemeryck L, Hall M, Scott K, Bennett K, Mahmud A, Daly C, King G, Murphy RT, Brown AS, Teske AJ, D'Hooge J, Claus P, Rademakers F, Voigt JU, Santos L, Cortez-Dias N, Silva D, Silva Marques J, Ribeiro S, Goncalves S, Almeida Ribeiro M, Robalo Martins S, Bordalo E Sa A, Lopes MG, Teske AJ, D'Hooge J, Claus P, Rademakers F, Voigt JU, Magnino C, Marcos-Alberca P, Milan A, Nunez-Gil I, Almeria C, Caniadas V, Rodrigo JL, Perez De Isla L, Macaya C, Zamorano JL, Gustafsson U, Larsson M, Bjallmark A, Lindqvist P, Brodin L, Waldenstrom A, Roosens B, Hernot S, Droogmans S, Van Camp G, Lahoutte T, Lancellotti P, Cosyns B, Ho EMM, Scott K, Hemeryck L, Hall M, Bennett K, Mahmud A, Daly C, King G, Murphy RT, Brown AS, Rao CM, Aguglia D, Casciola G, Imbesi C, Marvelli A, Sgro M, Benedetto D, Tripepi R, Zoccali C, Benedetto FA, Muraru D, Badano LP, Cardillo M, Del Mestre L, Gianfagna P, Proclemer A, Tschernich HD, Mora B, Base E, Weber U, Dumfarth J, Mukherjee C, Skaltsiotis HS, Kaladaridis AK, Bramos DB, Kottis GK, Antoniou AA, Agrios IA, Takos DT, Vasiladiotis NV, Pamboucas KP, Toumanidis STT, Shim A, Kasprzak JD, Lipec P, Michalski B, Wozniakowski B, Stefanczyk L, Rotkiewicz A, Cameli M, Lisi M, Padeletti M, Bigio E, Bernazzali S, Tsoulpas C, Maccherini M, Henein M, Mondillo S, Garcia Lunar I, Mingo Santos S, Monivas Palomero V, Mitroi C, Beltran Correas P, Ruiz Bautista L, Muniz Lozano A, Gonzalez Gonzalez M, Pabari PA, Stegemann B, Willson K, Kyriacou A, Moraldo M, Mayet J, Hughes A, Francis DP, Zeppellini R, Iavernaro A, Zadro M, Carasi M, De Domenico R, Rigo T, Artuso E, Erente G, Ramondo A, Le TT, Huang FQ, Gu Y, Tan RS. Poster session II * Thursday 9 December 2010, 14:00-18:00. European Journal of Echocardiography 2010. [DOI: 10.1093/ejechocard/jeq138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Uejima T, Jaroch J, Antonini-Canterin F, Polombo C, Carerj S, Hughes A, Vinereanu D, Evanvelista A, Leftheriotis G, Fraser AG, Lewczuk A, Sobkowicz B, Tomaszuk-Kazberuk A, Sawicki R, Hirnle T, Michalski BW, Filipiak D, Kasprzak JD, Lipiec P, Dalen H, Haugen BO, Mjolstad OC, Klykken BE, Graven T, Martensson M, Olsson M, Brodin LA, Antonini-Canterin F, Ticulescu R, Vriz O, Enache R, Leiballi E, Popescu BA, Ginghina C, Nicolosi GL, Penhall A, Perry R, Altman M, Sinhal A, Bennetts J, Chew DP, Joseph MX, Larsen LH, Kjaergaard J, Kristensen T, Kober LV, Kofoed KF, Hassager C, Moscoso Costa F, Ribeiras R, Brito J, Boshoff S, Neves J, Teles R, Canada M, Andrade MJ, Gouveia R, Silva A, Miskovic A, Poerner TP, Stiller CS, Goebel BG, Moritz AM, Stefani L, Galanti GG, Moraldo M, Bergamini C, Pabari PA, Dhutia NM, Malaweera ASN, Willson K, Davies J, Hughes AD, Xu XY, Francis DP, Jasaityte R, Amundsen B, Barbosa D, Loeckx D, Kiss G, Orderud F, Robesyn V, Claus P, Torp H, D'hooge J, Kihara C, Murata K, Wada Y, Uchida K, Nao T, Okuda S, Susa T, Miura T, Matsuzaki M, Shams K, Samir S, Samir R, El-Sayed M, Anwar AM, Nosir Y, Galal A, Chamsi-Pasha H, Ciobanu A, Dulgheru R, Bennett S, Vinereanu D, De Luca A, Toncelli L, Cappelli F, Stefani L, Cappelli B, Vono MCR, Galanti G, Zorman Y, Yilmazer MS, Akyildiz M, Gurol T, Aydin A, Dagdeviren B, Kalangos A. Poster session V * Saturday 11 December 2010, 08:30-12:30. European Journal of Echocardiography 2010. [DOI: 10.1093/ejechocard/jeq148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Alban L, Barfod K, Petersen JV, Dahl J, Ajufo JC, Sandø G, Krog HH, Aabo S. Description of Extended Pre-Harvest Pig Salmonella Surveillance-and-Control Programme and its Estimated Effect on Food Safety Related to Pork. Zoonoses Public Health 2010; 57 Suppl 1:6-15. [DOI: 10.1111/j.1863-2378.2010.01367.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- L Alban
- The Danish Agricultural & Food Council, Copenhagen, Denmark.
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Moldowan JM, Dahl J, Huizinga BJ, Fago FJ, Hickey LJ, Peakman TM, Taylor DW. The molecular fossil record of oleanane and its relation to angiosperms. Science 2010; 265:768-71. [PMID: 17736275 DOI: 10.1126/science.265.5173.768] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Oleanane has been reported in Upper Cretaceous and Tertiary source rocks and their related oils and has been suggested as a marker for flowering plants. Correspondence of oleanane concentrations relative to the ubiquitous microbial marker 17alpha-hopane with angiosperm diversification (Neocomian to Miocene) suggests that oleanane concentrations in migrated petroleum can be used to identify the maximum age of unknown or unavailable source rock. Rare occurrences of pre-Cretaceous oleanane suggest either that a separate lineage leads to the angiosperms well before the Early Cretaceous or that other plant groups have the rarely expressed ability to synthesize oleanane precursors.
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Baptista F, Dahl J, Nielsen L. Factors influencing Salmonella carcass prevalence in Danish pig abattoirs. Prev Vet Med 2010; 95:231-8. [DOI: 10.1016/j.prevetmed.2010.04.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2009] [Revised: 03/29/2010] [Accepted: 04/21/2010] [Indexed: 11/28/2022]
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Poulsen MK, Henriksen JE, Vach W, Dahl J, Møller JE, Johansen A, Gerke O, Haghfelt T, Høilund-Carlsen PF, Beck-Nielsen H. Identification of asymptomatic type 2 diabetes mellitus patients with a low, intermediate and high risk of ischaemic heart disease: is there an algorithm? Diabetologia 2010; 53:659-67. [PMID: 20225395 DOI: 10.1007/s00125-009-1646-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AIMS/HYPOTHESIS The leading cause of death in type 2 diabetes is cardiovascular disease (CVD). We examined the prevalence of myocardial ischaemia in type 2 diabetes patients and tried to establish an algorithm to identify patients with a high risk of ischaemic heart disease. METHODS Type 2 diabetes patients who had no known or suspected CVD, and had been referred consecutively to a diabetes clinic for the first time (n=305; age 58.6+/-11.3 years; diabetes duration 4.5+/-5.3 years) were screened for myocardial ischaemia using myocardial perfusion scintigraphy (MPS). RESULTS The univariate predictors of myocardial ischaemia were: atypical or typical angina pectoris, two or more traditional risk factors for CVD, BMI >32 kg/m2, systolic blood pressure >140 mmHg, HbA1c >8.5%, high-sensitivity C-reactive protein >4.0 mg/l, N-terminal pro-brain natriuretic peptide >300 pg/ml, left atrial volume index >32 ml/m2, left ventricular ejection fraction <50%, and carotid and peripheral arterial disease. The algorithm identified low (n=96), intermediate (n=65) and high risk groups (n=115), in which the prevalence of myocardial ischaemia was 15%,23% and 43%, respectively. Overall the algorithm reduced the number of patients referred to MPS from 305 to 144.However, the sensitivity and specificity of the algorithm was just 68% and 62%, respectively. CONCLUSIONS/INTERPRETATION Our algorithm was able to stratify which patients had a low, intermediate or high risk of myocardial ischaemia based on MPS. However, the algorithm had low sensitivity and specificity, combined with high cost and time requirements. TRIAL REGISTRATION clinicaltrials.gov NCT00298844 FUNDING: The study was funded by the Danish Cardio vascular Research Academy (DaCRA), The Danish Diabetes Association and The Danish Heart Foundation.
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Affiliation(s)
- M K Poulsen
- Department of Endocrinology, Odense University Hospital, Kløvervaenget 6, 5th floor, 5000 Odense C, Denmark.
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Sasson C, Vijan S, Dahl J, Rogers M. 368: Predicting Survival from Out-of-Hospital Cardiac Arrest: A Systematic Review and Meta-Analysis of Presenting Rhythm. Ann Emerg Med 2008. [DOI: 10.1016/j.annemergmed.2008.06.395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Dahl J, Myhr KM, Daltveit AK, Gilhus NE. Pregnancy, delivery and birth outcome in different stages of maternal multiple sclerosis. J Neurol 2008; 255:623-7. [DOI: 10.1007/s00415-008-0757-2] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2007] [Revised: 08/31/2007] [Accepted: 09/27/2007] [Indexed: 11/30/2022]
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Benschop J, Stevenson MA, Dahl J, French NP. Towards incorporating spatial risk analysis for Salmonella sero-positivity into the Danish swine surveillance programme. Prev Vet Med 2007; 83:347-59. [PMID: 18006166 DOI: 10.1016/j.prevetmed.2007.09.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Revised: 09/18/2007] [Accepted: 09/21/2007] [Indexed: 11/18/2022]
Abstract
An increased incidence of pork-related human salmonellosis in Denmark led to the development of a national control programme for Salmonella in Danish swine herds in 1993. The aim of the programme has been met and now the issue of cost-effectiveness is receiving greater attention. An appropriate way to address this is to bring a risk-based focus to the programme. We describe a practical approach to risk-based surveillance through spatial risk assessment using serological and questionnaire data from 2280 herds in 1995. A mixed effects logistic regression model was fitted and both first- and second-order spatial properties of the random effects were investigated. We identified wet-feeding (OR: 0.64; 95% CI: 0.54-0.75) and SPF health status (OR: 0.65; 95% CI: 0.52-0.81) as protective factors for Salmonella sero-positivity. Purchasing feed (OR: 1.81; 95% CI: 1.61-2.04) was a risk factor. The west of the study area generally, and the north of Jutland in particular, experienced the greatest disease risk after controlling for the covariates. There was some evidence for spatial dependency between farms at distances of 6 km (95% CI: 2-35 km) on the Jutland peninsula. We conclude that when farm location details are analysed in conjunction with routinely recorded surveillance information (such as that collected by the Danish swine Salmonella control programme) and targeted industry surveys (such as those conducted by slaughterhouse co-operatives), our knowledge of the behaviour of disease in animal populations is enhanced and this provides a more informed framework for designing efficient, risk-based surveillance strategies.
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Affiliation(s)
- J Benschop
- EpiCentre, Institute of Veterinary, Animal, and Biomedical Sciences, Massey University, Palmerston North, New Zealand.
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Dahl J, Myhr KM, Daltveit AK, Skjaerven R, Gilhus NE. Is smoking an extra hazard in pregnant MS women? Findings from a population-based registry in Norway. Eur J Neurol 2007; 14:1113-7. [PMID: 17880567 DOI: 10.1111/j.1468-1331.2007.01913.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Multiple sclerosis (MS) in women leads to increased risk of operative delivery and reduced birth weight, which are presumably related to the neurological dysfunction in this patient group. Lifestyle factors may also contribute, and we therefore investigated smoking habits and relevant social factors in pregnant MS women. In total, 372,128 births were registered in the compulsory Medical Birth Registry of Norway from December 1, 1998 to October 6, 2005, and of them 250 by MS mothers. The MS births were compared with all the non-MS births. Smoking during pregnancy was not increased in the MS group compared with the non-MS references. From 1998 to 2005 the MS group had a larger reduction in smoking rate during pregnancy than the reference group. The differences in pregnancy and birth outcome between smokers and non-smokers were similar in the MS and the reference group. Those in the smoking MS group had no increase in birth complications, operative interventions or negative birth outcome compared with those in the smoking reference group. Smoking during pregnancy did not explain the birth weight reduction found for newborns of MS mothers.
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Affiliation(s)
- J Dahl
- Section of Neurology, Department of Clinical Medicine, University of Bergen, Bergen, Norway.
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Abstract
This article describes the economic pressures threatening the traditional practice of gastroenterology and suggests steps by which gastroenterology practices can adapt and adopt a collaborative model that can position the practice for success in a changing environment.
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Abstract
OBJECTIVE The objective of this study was to investigate the effect of maternal multiple sclerosis (MS) on delivery and birth outcome in births without planned caesarean section. METHODS Data were collected from the compulsory Medical Birth Registry of Norway from 1988 to 2002. Intended vaginal births in this time period were 449 births given by MS mothers and 851,060 control births. RESULTS The MS mothers had a higher rate of induction of labour, and there was a strong trend for slower progression of second stage of labour and increased use of forceps. The MS group had lower birth weight and length of the neonates. The frequency of birth defects and the neonatal mortality were not increased in the MS group. CONCLUSIONS Maternal MS affects the birth process and the neonate prenatally, even when the births with planned caesarean section are excluded. MS-related neuronal dysfunction linked to the uterus, is postulated as the most likely mechanism.
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Affiliation(s)
- J Dahl
- Department of Clinical Medicine, Section of Neurology, University of Bergen and Department of Neurology, Haukeland University Hospital, Norway.
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Abstract
Using data from the compulsory Medical Birth Registry of Norway, the authors investigated the effect of maternal multiple sclerosis (MS) on pregnancy, delivery, and birth outcome in 649 births by MS mothers and 2.1 million control births. The mothers with MS had a higher proportion of neonates small for gestational age and also more frequent induction and operative interventions during delivery.
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Affiliation(s)
- J Dahl
- Department of Clinical Medicine, University of Bergen, Norway.
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Lo Fo Wong DMA, Dahl J, Wingstrand A, van der Wolf PJ, von Altrock A, Thorberg BM. A European longitudinal study in Salmonella seronegative- and seropositive-classified finishing pig herds. Epidemiol Infect 2004; 132:903-14. [PMID: 15473154 PMCID: PMC2870178 DOI: 10.1017/s095026880400264x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Surveillance and control are important aspects of food safety assurance strategies at the pre-harvest level of pork production. Prior to implementation of a Salmonella surveillance and control programme, it is important to have knowledge on the dynamics and epidemiology of Salmonella infections in pig herds. For this purpose, 17 finishing pig herds initially classified as seropositive and 15 as seronegative, were followed for a 2-year period through serological and bacteriological sampling. The study included 10 herds from Denmark, 13 from The Netherlands, 4 from Germany and 5 from Sweden and was performed between October 1996 and May 1999. The Salmonella status of finishing pig herds was determined by an initial blood sampling of approximately 50 finishing pigs close to market weight per herd. The development of the Salmonella status of the selected herds was assessed at seven subsequent sampling rounds of 25 blood samples from finishing pigs, 25 blood samples from grower pigs and 10 pen faecal samples each, approximately 3 months apart. The odds for testing finishers seropositive, given that growers were found seropositive previously were 10 times higher than if growers were seronegative (OR 10.0, 95% CI 3.2-32.8). When Salmonella was isolated from pen faecal samples, the herd was more likely to be classified seropositive in the same sampling round, compared to no Salmonella being detected (OR 4.0, 95% CI 1.1-14.6). The stability of an initially allocated Salmonella status was found to vary noticeably with time, apparently irrespective of a seropositive or seronegative classification at onset of the study. Given the measured dynamics in the occurrence of Salmonella in pig herds, regular testing is necessary to enable producers, advisors and authorities to react to sudden increases in the Salmonella prevalence in single herds or at a national level.
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Affiliation(s)
- D M A Lo Fo Wong
- Danish Institute for Food and Veterinary Research, Bülowsvej 27, DK-1790 Copenhagen V, Denmark.
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Sørensen LL, Alban L, Nielsen B, Dahl J. The correlation between Salmonella serology and isolation of Salmonella in Danish pigs at slaughter. Vet Microbiol 2004; 101:131-41. [PMID: 15172696 DOI: 10.1016/j.vetmic.2004.02.016] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2003] [Revised: 01/29/2004] [Accepted: 02/27/2004] [Indexed: 11/21/2022]
Abstract
In Denmark, a serological Salmonella surveillance programme in finishing pig herds has been in place since 1995. The programme was founded on data from experimental studies, which demonstrated a strong association between Salmonella serology and the prevalence of these bacteria. The current study was carried out in three Danish abattoirs to evaluate the correlation under field conditions. A total of 160 Danish finishing pig herds were included. Seven out of these were examined twice, yielding a total of 167 observations. The herds were selected according to their herd serology based on data from the national surveillance. From each herd, samples were taken from 10 finishers at slaughter. The prevalence of Salmonella bacteria was measured at four sites: (1) caecal-content; (2) carcass surface; (3) pharynx; and (4) caecal lymph nodes. A logistic regression model was constructed for each sampling site. Abattoir, sanitary slaughter and herd seroprevalence were used as explanatory variables. The results demonstrated that there was a strong association between herd serology and the prevalence of Salmonella bacteria measured at three of the sampling sites: caecal-content, pharynx, and carcass surface. For these sites, the odds for being culture-positive for Salmonella varied from 1.3 to 1.5 for each increase of 10% in herd serology (P < 0.0001). For caecal lymph nodes, however, no linear association was found.
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Affiliation(s)
- L L Sørensen
- Danish Bacon and Meat Council, Axelborg, 3 Axeltorv, DK-1609 Copenhagen V, Denmark.
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Lo Fo Wong DMA, Dahl J, Stege H, van der Wolf PJ, Leontides L, von Altrock A, Thorberg BM. Herd-level risk factors for subclinical Salmonella infection in European finishing-pig herds. Prev Vet Med 2004; 62:253-66. [PMID: 15068890 DOI: 10.1016/j.prevetmed.2004.01.001] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2002] [Revised: 12/05/2003] [Accepted: 01/12/2004] [Indexed: 10/26/2022]
Abstract
Our objective was to find herd factors associated with pigs testing seropositive for Salmonella. Data were collected from 359 finishing-pig herds in Germany, Denmark, Greece, The Netherlands and Sweden, between 1996 and 1998. Pigs fed non-pelleted feed (dry or wet) had 2- and 2.5-times lower odds of seropositivity, compared to pigs fed pelleted feed. The protective effect of non-pelleted feed over pelleted feed may be ascribed to the structure and composition. Also, pigs that were given whey (to drink or as the liquid part of the diet) had 2.6-times lower odds to test seropositive than pigs not getting whey. Pigs produced in batches in herds with hygienic-lock facilities had >3-times lower odds for testing seropositive compared to pigs in herds where only one or neither factor was present. In herds where the caretaker(s) washed hands consistently before tending to the animals, pigs had 1.5-times lower odds of seropositivity than pigs in herds where the caretaker did not. Pigs which were able to have snout contact with pigs in neighbouring pens (because pen separations were either open or too low) had 1.7-times higher odds to test seropositive compared to pigs for which such contact was prevented. Pigs in herds recruiting from more than three supplier herds had three-times higher odds to test seropositive than pigs in herds which breed their own replacement stock or recruit from a maximum of three supplier herds.
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Affiliation(s)
- D M A Lo Fo Wong
- Danish Zoonosis Centre, Danish Institute for Food and Veterinary Research, Soborg, Denmark.
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Lo Fo Wong DMA, Dahl J, van der Wolf PJ, Wingstrand A, Leontides L, von Altrock A. Recovery of Salmonella enterica from seropositive finishing pig herds. Vet Microbiol 2003; 97:201-14. [PMID: 14654291 DOI: 10.1016/j.vetmic.2003.09.012] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study was to assess the probability of detecting Salmonella from pen faecal samples in seropositive classified finishing pig herds. The study involved 77 herds from Denmark (20), The Netherlands (20), Greece (17) and Germany (20). The serological herd status was determined by the blood-sampling of 50 finishing pigs. Bacteriological sampling was performed by 20 pen faecal samples per herd. Over-all, 47% of the blood samples had an OD% larger than 10 and 23% larger than 40. Salmonella was isolated from 135 (9.3%) pen faecal samples in 32 herds (42%). Twenty-eight of these herds (87.5%) had a within-herd seroprevalence larger than 50% at sample cut-off OD% > 10. In our study, there was an increasing probability of recovering Salmonella with increasing within-herd seroprevalence. However, this was only a moderate correlation. A correlation coefficient of 0.62 was found between the proportion of culture positive- and seropositive samples in a herd at cut-off OD%> 10 and of 0.58 at cut-off OD% > 40. Serology is a measure of historical exposure, which may or may not correlate closely to the microbiological burden at the time of sampling. Due to the low sensitivity of culture methods, apparent 'false-positive' serological results may well represent real infections not detected by bacteriological testing. For screening purposes, serological testing provides an indication of exposure to Salmonella, which forms the basis for targeted sampling, intervention and logistic slaughter procedures.
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Affiliation(s)
- D M A Lo Fo Wong
- Danish Zoonosis Centre, Danish Veterinary Institute, Bülowsvej 27, DK-1790 Copenhagen V, Denmark.
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