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Ruzsa Z, Csavajda A, Deak M, Sotonyi P, Bertrand O, Kwan T, Nemes B, Becker D, Hizoh I, Merkely B. TRIACCESS study: randomized comparison between radial, femoral and transpedal access for for percutanous supertfitial femoral artery angioplasty. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Traditional access for the treatment of femoral artery lesions is the femoral artery (FA) approach, but radial (RA) and pedal access (PA) is an alternative access site. The aim of the study was to compare the success rate, complication rate of different access sites for the treatment of superfitial artery stenosis in a randomized study
Methods
180 consecutive patients were randomized in a prospective study to treat symptomatic superficial femoral stenosis, via RA, FA and PA. Primary endpoint: technical success, rate of major and minor access site complications. Secondary endpoints: major adverse events (MAE), procedural factors, cross-over rate, and duration of hospitalization.
Results
Technical success was achieved in 96.6%, 100% and 100% patients in RA, FA and PA group (p=ns). Secondary access site was used in 30%, 3.3% and 30% in the RA, FA and PA access group (p<0.01). Stent implantation was done in the femoral artery in 26.6%, 58.3% and 71.6% cases in RA, FA and PA group (p<0.01). CTO recanalization was performed in 34/36 (100%), 30/30 (100%) and 45/45 (100%) cases successfully in RA, FA and PA group (p=ns). Contrast consumption, fluoroscopy and procedure time was not statistically different, but the X Ray dose was significantly lower in PA than in the RA and FA access group (63.1 vs 162 vs 153 Dyn). The cumulative rate of access site complications in the RA, FA and PA group was 3.3% (0% major and 3.3% minor), 15% (3.3% major and 11.6% minor) and 3.3% (0% major and 3.3% minor) (p<0.01), respectively. The cumulative incidence of MAE's at 6 months in the RA, FA and PA group was 8.3% vs 13.3% and 18.3%. (p<0.05)
Conclusion
Femoral artery intervention can be safely and effectively performed using radial, femoral and pedal access, but radial and pedal access is associated with less access site complication rate. Pedal access is associated with less X Ray dose than radial and femoral access.
Funding Acknowledgement
Type of funding source: None
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Toca M, Roman-Riechmann E, Vázquez-Frías R, Batista de Morais M, Sosa P, Boggio-Marzet C, Becker D, Delgado L, Marchisone S. A Latin American pediatric gastroenterology group’s understanding of cow’s milk protein allergy diagnosis and treatment: Results of a survey by the Food Allergy Working Group of the Sociedad Latinoamericana de Gastroenterología, Hepatología y Nutrición Pediátrica. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2020. [DOI: 10.1016/j.rgmxen.2019.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Toca MC, Roman-Riechmann E, Vázquez-Frías R, Batista de Morais M, Sosa P, Boggio-Marzet C, Becker D, Delgado L, Marchisone S. A Latin American and Spanish pediatric gastroenterology group's understanding of cow's milk protein allergy diagnosis and treatment: Results of a survey by the Food Allergy Working Group of the Sociedad Latinoamericana de Gastroenterología, Hepatología y Nutrición Pediátrica. REVISTA DE GASTROENTEROLOGIA DE MEXICO (ENGLISH) 2020; 85:382-389. [PMID: 31623948 DOI: 10.1016/j.rgmx.2019.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/17/2019] [Accepted: 08/08/2019] [Indexed: 06/10/2023]
Abstract
INTRODUCTION There are discrepancies in the diagnosis and management of cow's milk protein allergy (CMPA) in Spain and Latin America. The aim of the present study was to find out how Spanish and Latin American pediatric gastroenterologists diagnose and treat CMPA. MATERIAL AND METHODS Pediatric gastroenterologists, members of the Sociedad Latinoamericana de Gastroenterología, Hepatología y Nutrición, were invited to fill out a structured survey, the results of which were then compared with the 2012 and 2014 diagnosis and treatment guidelines, respectively. RESULTS The survey results showed that 17% of the participants follow the diagnostic recommendations based on the published consensus and guidelines. To diagnose non-IgE-mediated CMPA, 15% of the participants utilize IgE-specific skin prick tests, 22% use IgE-specific blood tests, and 45% employ oral food challenges. To diagnose IgE-mediated CMPA the percentages for the same diagnostic methods were 57, 83 and 22%, respectively. Once diagnosis is confirmed, 98% of the participants provide dietary recommendations. In children that are not breastfed, 89% of the participants prescribe an initial extensively hydrolyzed formula, 9% an amino acid formula, 1% a soy formula, and 1% a hydrolyzed rice formula. In patients with IgE-mediated CMPA, 34% of the participants carry out an oral challenge once treatment is completed, 39% according to symptom severity, and 27% in relation to IgE-specific testing. CONCLUSION CMPA management is diverse and there is poor adherence to the clinical practice guidelines.
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Peeters A, Mullins G, Becker D, Orellana L, Livingston P. COVID-19's impact on Australia's health research workforce. Lancet 2020; 396:461. [PMID: 32798480 PMCID: PMC7426082 DOI: 10.1016/s0140-6736(20)31533-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/07/2020] [Indexed: 11/06/2022]
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Kosztin A, Schwertner WR, Behon A, Merkel E, Zima E, Geller L, Becker D, Merkely B. P577Effect of adding an implantable cardioverter defibrillator on long-term survival in non-ischemic CRT patients stratified by Goldenberg risk score. Europace 2020. [DOI: 10.1093/europace/euaa162.369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
There are limited and incomprehensive long-term data on the effects of adding an implantable cardioverter defibrillator (ICD) to cardiac resynchronization therapy (CRT) in patients with non-ischemic heart failure.
Purpose
We compared the long-term all-cause mortality and relative risk reduction in mortality of non-ischemic patients after CRT-P vs. CRT-D implantation stratified by their Goldenberg risk score.
Methods
In our retrospective registry, data of 1196 non-ischemic patients who underwent CRT implantation between 2000 to 2018 were collected. Goldenberg sudden cardiac risk score was calculated by the presence of atrial fibrillation, NYHA class > 2, age > 70 years, blood urea nitrogen > 26mg/dl and QRS width.
Results
In our registry from 1196 CRT implanted patients with non-ischemic heart failure, 716 patients had all the required data to calculate the Goldenberg score. From this cohort 379 (53%) had CRT-P and 337 (47%) CRT-D implantation. The mean value of the Goldenberg score was 2.7 in the total cohort, while a significantly higher score was found in the CRT-P group (CRT-P 2.9 ± 1.1 vs. CRT-D 2.5 ± 1.1 p < 0.001). During the median follow-up time of 4.9 years, 345 (48%) patients reached the primary endpoint, 220 patients (64%) with CRT-P and 125 patients (36%) with CRT-D. After comparing patients by low (≤3) and high (>3) Goldenberg score, we found that CRT-D patients with lower risk score showed mortality benefit compared to CRT-P (HR 0.69; 95%, CI 0.53-0.89; p = 0.001). In the contrary there was no apparent mortality benefit in CRT-D patients compared to CRT-P when high Goldenberg score subgroup was analyzed (HR 0.99; 95%, CI 0.67-1.45; p = 0.95).
Conclusions
In non-ischemic heart failure patients, Goldenberg sudden cardiac risk score can be also applied. In CRT-D patients those with less co-morbidities and lower (≤3) Goldenberg risk score showed mortality benefit compared to CRT-P patients, while among patients with higher score (>3) adding an ICD had no additional effect on all-cause mortality.
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Heimes A, Brodhagen J, Weikard R, Becker D, Meyerholz MM, Petzl W, Zerbe H, Schuberth HJ, Hoedemaker M, Schmicke M, Engelmann S, Kühn C. Cows selected for divergent mastitis susceptibility display a differential liver transcriptome profile after experimental Staphylococcus aureus mammary gland inoculation. J Dairy Sci 2020; 103:6364-6373. [PMID: 32307160 DOI: 10.3168/jds.2019-17612] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 02/15/2020] [Indexed: 01/12/2023]
Abstract
Infection and inflammation of the mammary gland, and especially prevention of mastitis, are still major challenges for the dairy industry. Different approaches have been tried to reduce the incidence of mastitis. Genetic selection of cows with lower susceptibility to mastitis promises sustainable success in this regard. Bos taurus autosome (BTA) 18, particularly the region between 43 and 59 Mb, harbors quantitative trait loci (QTL) for somatic cell score, a surrogate trait for mastitis susceptibility. Scrutinizing the molecular bases hereof, we challenged udders from half-sib heifers having inherited either favorable paternal haplotypes for somatic cell score (Q) or unfavorable haplotypes (q) with the Staphylococcus aureus pathogen. RNA sequencing was used for an in-depth analysis of challenge-related alterations in the hepatic transcriptome. Liver exerts highly relevant immune functions aside from being the key metabolic organ. Hence, a holistic approach focusing on the liver enabled us to identify challenge-related and genotype-dependent differentially expressed genes and underlying regulatory networks. In response to the S. aureus challenge, we found that heifers with Q haplotypes displayed more activated immune genes and pathways after S. aureus challenge compared with their q half-sibs. Furthermore, we found a significant enrichment of differentially expressed loci in the genomic target region on BTA18, suggesting the existence of a regionally acting regulatory element with effects on a variety of genes in this region.
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Spry E, Moreno-Betancur M, Becker D, Romaniuk H, Carlin JB, Molyneaux E, Howard LM, Ryan J, Letcher P, McIntosh J, Macdonald JA, Greenwood CJ, Thomson KC, McAnally H, Hancox R, Hutchinson DM, Youssef GJ, Olsson CA, Patton GC. Maternal mental health and infant emotional reactivity: a 20-year two-cohort study of preconception and perinatal exposures. Psychol Med 2020; 50:827-837. [PMID: 30968786 DOI: 10.1017/s0033291719000709] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Maternal mental health during pregnancy and postpartum predicts later emotional and behavioural problems in children. Even though most perinatal mental health problems begin before pregnancy, the consequences of preconception maternal mental health for children's early emotional development have not been prospectively studied. METHODS We used data from two prospective Australian intergenerational cohorts, with 756 women assessed repeatedly for mental health problems before pregnancy between age 13 and 29 years, and during pregnancy and at 1 year postpartum for 1231 subsequent pregnancies. Offspring infant emotional reactivity, an early indicator of differential sensitivity denoting increased risk of emotional problems under adversity, was assessed at 1 year postpartum. RESULTS Thirty-seven percent of infants born to mothers with persistent preconception mental health problems were categorised as high in emotional reactivity, compared to 23% born to mothers without preconception history (adjusted OR 2.1, 95% CI 1.4-3.1). Ante- and postnatal maternal depressive symptoms were similarly associated with infant emotional reactivity, but these perinatal associations reduced somewhat after adjustment for prior exposure. Causal mediation analysis further showed that 88% of the preconception risk was a direct effect, not mediated by perinatal exposure. CONCLUSIONS Maternal preconception mental health problems predict infant emotional reactivity, independently of maternal perinatal mental health; while associations between perinatal depressive symptoms and infant reactivity are partially explained by prior exposure. Findings suggest that processes shaping early vulnerability for later mental disorders arise well before conception. There is an emerging case for expanding developmental theories and trialling preventive interventions in the years before pregnancy.
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Gou B, Arvieux J, Aulenbacher K, Ríos DB, Baunack S, Becker D, Capozza L, Deconinck W, Diefenbach J, Frascaria R, Gorchtein M, Gläser B, von Harrach D, Imai Y, Kabuß EM, Kothe R, Kowalski S, Kunne R, Maas FE, Merkel H, Espí MCM, Morlet M, Müller U, Ong S, Schilling E, Weinrich C, van de Wiele J, Zambrana M, Zimmermann I. Study of Two-Photon Exchange via the Beam Transverse Single Spin Asymmetry in Electron-Proton Elastic Scattering at Forward Angles over a Wide Energy Range. PHYSICAL REVIEW LETTERS 2020; 124:122003. [PMID: 32281834 DOI: 10.1103/physrevlett.124.122003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 02/28/2020] [Accepted: 02/28/2020] [Indexed: 06/11/2023]
Abstract
We report on a new measurement of the beam transverse single spin asymmetry in electron-proton elastic scattering, A_{⊥}^{ep}, at five beam energies from 315.1 to 1508.4 MeV and at a scattering angle of 30°<θ<40°. The covered Q^{2} values are 0.032, 0.057, 0.082, 0.218, 0.613 (GeV/c)^{2}. The measurement clearly indicates significant inelastic contributions to the two-photon-exchange (TPE) amplitude in the low-Q^{2} kinematic region. No theoretical calculation is able to reproduce our result. Comparison with a calculation based on unitarity, which only takes into account elastic and πN inelastic intermediate states, suggests that there are other inelastic intermediate states such as ππN, KΛ, and ηN. Covering a wide energy range, our new high-precision data provide a benchmark to study those intermediate states.
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Hirter N, Letko A, Häfliger IM, Becker D, Greber D, Drögemüller C. A genome-wide significant association on chromosome 15 for congenital entropion in Swiss White Alpine sheep. Anim Genet 2020; 51:278-283. [PMID: 31945208 DOI: 10.1111/age.12903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/21/2019] [Accepted: 12/12/2019] [Indexed: 11/28/2022]
Abstract
Entropion is a known congenital disorder in sheep presumed to be heritable but no causative genetic variant has been reported. Affected lambs show a variable inward rolling of the lower eyelids leading to blindness in severe cases. In Switzerland, the Swiss White Alpine (SWA) breed showed a significantly higher prevalence for entropion than other breeds. A GWAS using 150 SWA sheep (90 affected lambs and 60 controls), based on 600k SNP data, revealed a genome-wide significant signal on chromosome 15. The 0.2 Mb associated region contains functional candidate genes, SMTNL1 and CTNND1. Pathogenic variants in human CTNND1 cause blepharocheilodontic syndrome 2, a rare disorder including eyelid anomalies, and SMTNL1 regulates contraction and relaxation of skeletal and smooth muscle. WGS of a single entropion-affected lamb revealed two private missense variants in SMTNL1 and CTNND1. Subsequent genotyping of both variants in 231 phenotyped SWA sheep was performed. The SMTNL1 variant p.(Asp452Asn) affects an evolutionary conserved residue within an important domain and represents a rare allele, which occurred also in controls. The p.(Glu943Lys) variant in CTNND1 represents a common variant unlikely to cause entropion as the mutant allele occurred more frequently in non-affected sheep. Therefore, we propose that these protein-changing variants are unlikely to explain the phenotype. Additionally, WGS of three further disconcordant pairs of full siblings was carried out but revealed no obvious causative variant. Finally, we conclude that entropion represents a more complex disease caused by different non-coding regulatory variants.
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Dohy Z, Czimbalmos C, Assabiny A, Tarjanyi Z, Szakal-Toth Z, Parazs N, Toth A, Suhai F, Kiraly A, Edes I, Becker D, Sax B, Merkely B, Vago H. P345 Temporal changes of left atrial function after orthotopic heart transplantation in a single-center prospective study. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
The geometry and function of the left atrium (LA) change after orthotopic heart transplantation (HTX) with bicaval technique, as the LA has a recipient part around the pulmonary veins and a donor part, and these often contract separately. Because of this altered LA function, the recognition of left ventricular diastolic dysfunction can be challenging. The standard echocardiographic diastolic parameters are often in abnormal range in HTX patients despite of normal left ventricular diastolic function.
The aim of our prospective study was to investigate the LA volumes and function and their temporal changes after HTX using cardiac magnetic resonance (CMR).
To better understand the cardiac characteristics of HTX patients, we started a prospective trial in January 2018. CMR was performed at one, three and six months after HTX. Left atrial contour detection was performed in 2- and 4-chamber views. Patients who had ≥Grade II allograft rejection before the CMR examination, were excluded (n = 2). In the remaining HTX patients (n = 21) and in a control group (n = 21) LA ejection fraction (EF), BSA-corrected maximum and minimum LA volume (Vi), stroke volume (SVi) were evaluated using bi-plane mode. LA global longitudinal strain (GLS) was defined with CMR based deformation imaging, called feature tracking.
HTX patients had significantly higher LA volumes (maxLAVi 71 ± 22 vs. 47 ± 6 ml/m2, minLAVi 53 ± 22 vs. 18 ± 5 ml/m2) lower LASVi (19 ± 7 vs. 29 ± 4 ml/m2), LAEF (27 ± 10 vs. 62 ± 8%) and LA-GLS (8 ± 3 vs. 39 ± 10%) compared to the control group (p < 0.0001).
Analysing the temporal changes in HTX patients, we found an increase in the LAEF (26 ± 8 vs. 30 ± 5%) and LA-GLS (8 ± 3 vs. 11 ± 3%) at three months (p < 0.05), there was no significant difference between the LA parameters at three and six months.
Better understanding of the changes of left atrial function after HTX could help us to recognise pathological conditions.
Abstract P345 Figure. Strain analysis of the left atrium
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Mahler V, Becker D. The German Baseline Series: Evolution and History of a National BLS. Contact Dermatitis 2020. [DOI: 10.1007/978-3-319-72451-5_65-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nagy A, Apor A, Czimbalmos CS, Szegedi N, Toth A, Vago H, Becker D, Geller L, Merkely B. 1642 Mitral annulus disjunction, a rare form of focal arrhythmogenic cardiomyopathy. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.1032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
The rate of sudden cardiac death in mitral valve prolapse (MVP) patients is roughly twice that observed in the general population. Arrhythmogenic bileaflet MVP syndrome has been recently described and mitral annulus disjunction (MAD) has been found associated with papillary muscle fibrosis and ventricular arrhythmias even without severe mitral regurgitation. An underlying primary structural myocardial disease might be expected and the non-invasive imaging techniques are playing an increasingly important role in the detection of myocardial fibrosis as a focal arrhythmogenic substrate. Standard 2D-, 3D- and speckle tracking echocardiography and cardiac MRI can help to differentiate between the benign and malignant forms of MVP.
A 52-year-old man with a history of hypertension was referred for evaluation of frequent palpitations and presyncope. Ambulatory Holter monitoring showed paroxysmal atrial fibrillation and non-sustained ventricular tachycardias. Dilated left ventricle (LVEDD: 65mm, LVESD: 45 mm) and left atrium (LAVi: 52mL/m2), moderately reduced left ventricular (LV) systolic function (LVEF: 42%), and reduced LV global longitudinal strain (GLS: -13.5%) with severely decreased segmental longitudinal strain in the basal inferolateral segment were measured by transthoracic echocardiography. The diastolic function was preserved, however Pickelhaube sign was noticed in the lateral mitral annulus TDI curves. MAD (17 mm) and curling motion of the inferolateral basal segment of the left ventricle was observed. Transesophageal echocardiography showed bileaflet mitral valve prolapse with the involvement of all the six scallops (mitral valve prolapse volume: 10.2 mL). Severe mitral regurgitation (3D vena contracta area: 1cm2) and extremely dilated and dyskinetic mitral annulus (diameters: 55x72x12 mm, area: 34 cm2) was measured by 3D echocardiography. MRI showed transmural late gadolinium enhancement in the underlying myocardium of both papillary muscles and midmyocardial enhancement in the basal inferior, inferolateral and anteroseptal LV segments. During electrophysiology study ventricular fibrillation was easily induced and ICD was placed for primary prevention of sudden cardiac death. The patient was referred to the heart surgeon for mitral valve replacement.
This case highlights the importance of early recognition of MAD and arrhythmogenic MVP syndrome using novel non-invasive imaging techniques. The presence of MAD, the curling motion of the inferolateral basal LV segment, the Pickelhaube sign, the decreased LVEF and GLS, the characteristic segmental longitudinal strain pattern and the presence of late enhancement in the papillary muscles and the surrounding myocardium could be warning signs of the malignant form of MVP.
Abstract 1642 Figure. CMR images of arrhythmogenic MAD
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Evans C, Becker D, Templeman C. 1665 Trends in Extraction Techniques in Minimally Invasive Myomectomies: A Retrospective Study. J Minim Invasive Gynecol 2019. [DOI: 10.1016/j.jmig.2019.09.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Czimbalmos C, Csecs I, Dohy Z, Toth A, Suhai F, Szabo L, Horvath V, Sydo N, Kiss O, Becker D, Merkely B, Vago H. P4429Cardiac magnetic resonance characteristics of professional athletes and hypertrophic cardiomyopathy patients in the grey zone of hypertrophy. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Differentiation between athlete's heart and hypertrophic cardiomyopathy (HCM) may cause difficulties especially in patients in the grey zone of hypertrophy.
We aimed to determine conventional cardiac magnetic resonance (CMR) parameters such as left ventricular (LV) ejection fraction (EF), BSA-corrected end-diastolic (EDVi), end-systolic and stroke volume (SVi), mass (Mi), derived CMR parameters such as maximal end-diastolic wall thickness to LVEDVi ratio (EDWT/LVEDVi), LVM to LVEDV ratio (LVM/LVEDV), and CMR based strain values (global longitudinal (GLS), radial (GRS) and circumferential strain (GCS)) in male HCM patients and athletes.
We consecutively enrolled male HCM patients with only slightly elevated EDWT (13–18 mm) and highly trained healthy athletes (n=30, 18.7±1.2 training hrs/week) with marked LV hypertrophy. HCM patient group was divided into sedentary (n=30, <7 training hrs/week) and athletic HCM group (n=10; >7 h/week, 12.7±7.3 h training hrs/week).
Both sedentary and athletic HCM patients showed higher LVEF, lower LVEDVi and LVESVi and higher EDWT compared to the healthy athletes. LVMi of both healthy athletes and athletic HCM patients was significantly higher than in sedentary HCM patients, respectively (98.9±11.4; 94.5±7.8 vs 78.1±14.4 /m2). EDWT/LVEDVi ratio was higher in both sedentary and athletic HCM patients compared to healthy athletes, respectively (0.19±0.04; 0.17±0.04 vs 0.11±0.02). LVM/LVEDV also showed significant difference between HCM patients and healthy athletes. GLS and GRS showed no significant difference between the three groups, GCS was higher in athletic HCM compared to healthy athletes (−20.7±2.2 vs −17.8±2.3%).
Figure 1. Feature tracking analysis of a healthy athlete and a patient with HCM.
CMR characteristics of athletic and sedentary HCM may fundamentally alter. Our preliminary data suggest that besides conventional CMR parameters, derived parameters such as EDWT/LVEDVi and LVM/LVEDV ratios and deformation imaging may also help the differentiation between pathological and physiological hypertrophy.
Acknowledgement/Funding
National Research, Development and Innovation Office (NKFIH) of Hungary (K 120277). Project no. NVKP_16-1-2016-0017
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Vago H, Szabo L, Horvath V, Dohy Z, Czimbalmos C, Toth A, Suhai F, Barczi GY, Becker D, Merkely B. 2388Differential diagnosis of MINOCA patients: the contribution of early cardiac magnetic resonance imaging to the final diagnosis in patients with normal coronary angiography. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
The diagnostic value of cardiac magnetic resonance (CMR) imaging has been suggested in determination of the cause behind Myocardial Infarction with Non-obstructive Coronary Arteries (MINOCA). According to the current STEMI Guideline CMR is considered to have the best diagnostic performance, when CMR timing is within its optimal ≤2 weeks.
Purpose
The aim of our study was to establish the prevalence of the underlying pathologies using early (1–7 days) CMR examination in patients with signs of troponin positive acute coronary syndrome (ACS) but normal coronary angiography (NCA). We also aimed to investigate how early CMR changes the provisional diagnosis, and to provide detailed information of CMR characteristics of our pts and to compare laboratory parameters and risk factors of each group.
Methods
Between 2010–2018 (n=234) consecutive pts (40.2±12.1y, 159 male) with troponin positive ACS underwent CMR examination following NCA (≤20% stenosis), in a mean length of time of 2.5 days. Cine movie, T2-weighted and late gadolinium enhanced images (LGE) were performed. Left ventricular end-diastolic and end-systolic volumes (LVESVi), ejection fraction (LVEF), mass (LVM) and myocardial necrosis were evaluated. We analysed the risk factors and laboratory values of our patients.
Results
CMR proved acute myocardial infarction (MI) in 42 pts (52% male), acute myocarditis in 138 pts (89% male), Tako-Tsubo cardiomyopathy (TTC) in 25 woman, myocardial contusion in one case, in three cases CMR raised the suspicion of sarcoidosis and in 25 pts (56% male) there was no CMR abnormality. LVEF was lower, LVESVi was elevated in TTC patients compared to MI and myocarditis (LVEF: 44±9.1 vs 56.5±7 vs 55±6.6%; LVESVi: 52.5±12.9 vs 41±16.8 vs 42.1±8.9 ml/m2 p<0.001). The most frequently affected areas of the myocardium by LGE were the basal and mid inferolateral segments in case of myocarditis (69% of pts). In MI pts the anterior wall was affected only in 16%, while the involvement of inferior wall was visible in 57% of the pts. Early CMR examination established a definitive diagnosis in 88% of the cases, in 11% there was no CMR abnormality and it remained inconclusive in only 1% of the cases. CMR changed the provisional diagnosis in 47% of the pts.
Myocarditis pts were younger (myocarditis: 32.5±10.8 vs MI 47.6±15.5 vs TTC 65.5±9.6 y; p<0.001) and lower percentage had hypercholesterinaemia (myocarditis: 18.8 vs MI: 40 vs TTC: 54.5%, p<0.01) or hypertension (myocarditis: 14.3 vs MI: 38.7 vs TTC: 55.6%, p<0.001). Laboratory values showed significant elevation of hsTroponin and CKMB of MI and myocarditis pts compared to other groups (p<0.05), but there was no difference between these two groups.
Underlying pathologies in MINOCA
Conclusion
In patients with the working diagnosis of MINOCA and normal coronary angiography early CMR established a definitive diagnosis in 88% of our patients and changed the provisional diagnosis in 47% of the pts.
Acknowledgement/Funding
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
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Nemeth BT, Edes IF, Hartyanszky I, Szilveszter B, Fazekas L, Polos M, Nemeth E, Becker D, Merkely B. P1713Predictors of mortality following extracorporeal membrane oxygenation support in a large unselected critically ill patient population. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Mechanical circulatory support (MCS) has been established as a means of augmenting circulation in critically ill patients due to a variety of underlying clinical reasons. Different methods of MCS may be applied with the venous-arterial extracorporeal membrane oxygenation (VA-ECMO) system being one of the most utilized in everyday care.
Objectives
Our aim was to determine independent predictors of mortality following VA-ECMO therapy in a large, unselected, adult, critically ill patient population requiring MCS.
Methods
Data on 181 consecutive, real-world VA-ECMO treatments have been assessed. Analysis was conducted for all subjects requiring MCS with the VA-ECMO as first instalment, regardless of underlying cause or eventual upgrade. All potential clinical factors influencing mortality were examined and evaluated.
Results
Overall mortality amounted to ≈65% at a median follow-up of 28 days and depended upon: glomerular filtration rate of <60 ml/min/1.73 m2 (HR: 1.53; p=0.03) and age ≥65 years (HR: 1.65; p=0.02) based on multivariate Cox regression analysis. However, prolonged ECMO time, conversion of the ECMO to longer duration MCS, diabetes, prior ACS or revascularization, reduced left ventricular ejection fraction (EF) had no effect on adverse mortality outcomes (all p>0.05). Surprisingly, neither the need for resuscitation during MCS nor any ECMO implantation indication influenced mortality by itself (p>0.05).
Conclusions
We have found that mortality in critically ill patients requiring VA-ECMO use remains very high. Decreased renal function and advanced age were found to influence mortality in our all-comers patient population, while traditional predictors of cardiovascular mortality did not have a significant effect on survival.
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Szabo L, Horvath V, Dohy Z, Czimbalmos C, Toth A, Suhai F, Barczi G, Becker D, Merkely B, Vago H. P876Cardiac magnetic resonance based feature-tracking myocardial strain analysis in MINOCA patients. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
The diagnostic performance of cardiac magnetic resonance (CMR) based deformation imaging (feature tracking - FT) has been demonstrated in various groups of patients including acute myocardial infarction and acute myocarditis. However, the capability of this method to distinguish between patients with the working diagnosis of MINOCA is yet to be tested.
We aimed to compare standard CMR parameters and investigate the differential diagnostic value of CMR-FT myocardial strain in pts with the working diagnosis of MINOCA.
From our consecutive register of pts with troponin positive acute coronary syndrome (n=234 pts) we enrolled 100 pts (47.7±14 y; 51 male) in this study.Twenty-five pts were selected randomly from each group of acute myocardial infarction (MI), acute myocarditis, Tako-Tsubo cardiomyopathy (TTC) and pts without structural alteration on CMR, and an additional group of healthy control (n=20, 46±8.2 y; 12 male). Standard CMR parameters such as left ventricular ejection fraction (LVEF), end-diastolic (LVEDVi) and end-systolic (LVESVi) volumes, myocardial mass were assessed and compared between the groups. We performed CMR-FT analysis of the left ventricle, including: global longitudinal (GLS), circumferential (GCS), standard deviation (SD) of the peak circumferential (CS) strain furthermore mechanical dispersion (MD), defined as the SD of the time-to-peak circumferential (MDC) strain of the LV segments expressed as percent of the cardiac cycle.
LVEF was lower (44±9.1%) and LVESVi (52.5±12.9ml/m2) was higher in TTC pts compared to all other groups (p<0.001). The LVEF, LVEDVi and LVESVi parameters did not show significant difference between MI and myocarditis pts (LVEF 56.5±7% vs 55±6.6%; LVEDVi 85.4±14.8 vs 92.7±10.7ml/m2; LVESVi 37.7±11.4 vs 41.5±9.1ml/m2). GLS and GRS were significantly reduced in TTC pts (−11.4±4.8%; 43.09±12.5%) compared to all other groups (p<0.001). GCS was impaired in pts with TTC, acute myocarditis and MI compared to healthy controls (−14±3.7 vs −18.7±3.7 vs −19.1±3.8 vs −23.2±3.1%, p<0.001), however there was no significant difference between myocarditis and MI pts. SD of the peak CS was lower in myocarditis compared to other groups (p<0.001). MDC was elevated in TTC and MI compared to myocarditis and healthy controls (16.3±5 vs 13.3±3.4 vs 8.1±3.3 vs 9.46±3.5% p<0.05). There was no significant difference between healthy controls and patients without structural alterations in any strain parameter.
Strain analysis of a TTC patient
Feature tracking analysis may enable differentiation between patients with MINOCA. TTC reduces global myocardial strain of the left ventricle and causes regional heterogeneity of the left ventricular contraction. Although standard volumetric CMR parameters and CMR based global strain values have limited capability to distinguish between MI and myocarditis with preserved ejection fraction, regional heterogeneity, expressible in MDC is significantly elevated in MI compared to myocarditis and healthy controls.
Acknowledgement/Funding
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
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Szabo L, Czimbalmos CS, Dohy Z, Csecs I, Toth A, Suhai F, Becker D, Geller L, Merkely B, Vago H. P1528The added value of cardiac magnetic resonance to the diagnosis of patients after aborted sudden cardiac death. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
An estimated 25% of all cardiovascular deaths are due to sudden cardiac death (SCD). The primary cause of SCD is coronary artery disease, however cardiac diseases accounted for SCD differ in young vs. older individuals. In patients with normal coronary angiography (NCA) the differential diagnosis is still challenging, due to the broad spectrum of underlying cardiovascular abnormalities. Cardiac magnetic resonance (CMR) provides accurate tissue specific and functional information of the heart.
Purpose
We aimed to investigate patients after aborted sudden cardiac death but NCA using cardiac magnetic resonance imaging (CMR). Our goal was to evaluate left and right ventricular parameters, presence of late gadolinium enhancement (LGE) and to assess the diagnostic value of CMR.
Methods
We enrolled 84 consecutive patients (39±13 y; 51% male) after aborted SCD with NCA and without CMR contraindication. CMR examination including long- and short-axis cine, T2-weighted and LGE images were performed. Left and right ventricular parameters were evaluated. Presence and pattern of the oedema and LGE were also assessed.
Results
Structural myocardial abnormality was present in 57% of pts: dilated (n=13), arrhythmogenic right ventricular (n=6) and hypertrophic (n=4) cardiomyopathy (CMP), moreover acute (n=2) and chronic (n=3) myocardial infarction, acute (n=2) and chronic (n=2) myocarditis, Tako-Tsubo CMP (n=1), noncompaction CMP (n=1), endomyocardial fibrosis (n=1). In 13 cases aspecific structural alterations were detected with (n=7) and without (n=6) LGE. Only 13% of the patients showed ejection fraction lower than 35% (LVEF=52±9%), 54% showed LV dilation (LVEDVi>100 ml/m2 in males and >90 ml/m2 in females; LVEDVi=104±22 ml/m2). LGE was present in 36%, showing ischemic pattern in five cases and nonischaemic pattern in 25 cases. Eleven patients were elite athletes (28±10y, 91% male, training hours: >10 hours/week). Three of them showed ARVC based on the current Task Force criteria, another three athletes showed aspecific structural alteration with nonischaemic LGE.
The CMR examination confirmed the referral diagnosis in 22%, excluded the presence of structural myocardial alteration in 43% and changed the clinical diagnosis in 35% of the patients.
Conclusion
CMR has an important diagnostic value in patients after reanimation but NCA. More than half of these patients showed structural alteration and CMR provided a diagnosis in 42%.
Acknowledgement/Funding
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
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Vago H, Szabo L, Czimbalmos CS, Dohy ZS, Csecs I, Toth A, Suhai I, Simor T, Becker D, Merkely B. 4251Results from the Hungarian Cardiac Magnetic Resonance Registry of Structural Heart Disease and Aborted Sudden Cardiac Death in Athletes. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Sudden cardiac death (SCD) is the most common cause of death in athletes occurring usually during intensive training. Cardiac magnetic resonance (CMR) has a crucial role in the detection of structural myocardial abnormalities.
Aims
Our aim was to investigate the etiology of SCD and to estimate the prevalence of myocardial structural heart diseases among Hungarian athletes using CMR.
Methods
Between January 2011 and January 2019 we performed CMR scans on 228 athletes (199 males, age: 29.1±13.2) with suspected structural myocardial disease. Twelve athletes were investigated after aborted sudden cardiac death and normal coronary angiography.
Results
CMR confirmed the diagnosis of structural myocardial disease in 62 athletes (26.2%) (28.8±9.1 years, 59 male): hypertrophic cardiomyopathy (HCM) in 14 cases (22.6%), arrhythmogenic right ventricular cardiomyopathy (ARVC) in 9 cases (14.5%), noncompaction (NCCMP) in 6 cases (9.7%) and dilated cardiomyopathy (DCM) in 5 cases (8.1%). Subendocardial late gadolinium enhancement (LGE), reflecting myocardial scar, was typical of previous myocardial infarction (post MI) in 3 cases (5.5%). Acute myocarditis was found in 2 cases (3.6%). Nonischaemic LGE pattern was found in 20 cases (32.2%): patchy subepi-midmyocardial LGE suggesting previous myocarditis in 8 athletes, and with aspecific pattern in 12 athletes. Athletes with nonischaemic LGE had normal clinical and laboratory parameters without wall motion abnormalities, in their cases further investigations ruled out systemic disease. One athlete was diagnosed with Fabry-disease, one with coronary artery abnormality (anomalous origin of the left main coronary artery from the right sinus of Valsalva), one athlete showed pheochromocytoma-related Tako-Tsubo cardiomyopathy (each 1.6%). Five athletes with confirmed structural heart disease were investigated after sustained ventricular tachycardia, seven athletes after aborted SCD: ARVC (n=6), aspecific LGE pattern (n=4), HCM (n=1) and pheochromocytoma-related Tako-Tsubo cardiomyopathy (n=1) were diagnosed.
RVOT movie of an ARVC pts
Conclusion
In our national CMR registry the most common structural alteration was nonischaemic fibrosis, the most common cardiomyopathy was HCM, and the leading cause of SCD in Hungarian competitive athletes was ARVC. The national registers are highly important for a better understanding the etiology and the geographical differences of SCD in athletes.
Acknowledgement/Funding
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
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Vago H, Dohy Z, Czimbalmos C, Szabo L, Horvath V, Tarjanyi Z, Szakal-Toth Z, Parazs N, Toth A, Suhai F, Edes I, Becker D, Sax B, Merkely B. P3558Cardiac magnetic resonance characteristics of the transplanted heart: first results of the prospective Heart-TIming CMR substudy. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
In case of heart transplantation (HTX) the heart is affected by several factors e.g. ischaemia/reperfusion, denervation, immunosuppression. During the adaptation, the heart may show marked temporal changes in terms of myocardial mechanics, function and tissue characteristics. To better understand temporal characteristics after orthotopic bicaval HTX we started the prospective Heart-TIming (Transplantation Imaging) trial in January 2018 including standard 12-lead ECG, 24-hour Holter monitor, endomyocardial biopsy, transthoracic echocardiography, invasive coronary angiography with intravascular ultrasound and optical coherence tomography and cardiac magnetic resonance (CMR).
Aim
In our CMR substudy we aimed to evaluate the physiological structural and functional left and right ventricular characteristics and their temporal changes after HTX using CMR.
Methods
As part of the study HTX patients underwent CMR at 1, 3 and 6 months after HTX (n=31; 52±10.5y, 25 male). Cine images, T2-weighted, late gadolinium enhancement (LGE) and adenosine stress perfusion (at 1 month) images were acquired. In order to describe physiological characteristics of the transplanted heart we excluded pts with significant coronary artery disease, ischaemic scar, ≥Grade II allograft rejection from this present study (n=6). We assessed the left (LV) and right ventricular (RV) ejection fractions, volumes, masses (M) and LV strain. We assessed the global strain values: longitudinal, circumferential (GCS) strain and the standard deviation (SD) of the peak longitudinal strain (LS) and the left ventricular mechanical dispersion. We compared baseline volumetric and strain parameters to age matched healthy controls (n=20; 47±11.4y, 15 male), and the temporal changes between one, three and 6 months.
Results
Comparing the HTX patients' CMR parameters at one month with normal controls, HTX patients had lower LV and RV end-diastolic volumes (LVEDVi: 76.6±15.9 vs 90.6±11.6ml/m2; RVEDVi 74.5±17.5 vs 90.3±12.1ml/m2, p<0.05),stroke volumes (p<0.05) and higher LVMi (67.6±14.4 vs 57.2±11g/m2, p<0.05). CMR based strain analysis of the HTX pts showed hyperkinetic GCS (−40,5±6.3% vs −35.2±4.8%, p<0.05), increased SD of peak LS and more pronounced mechanical dispersion (p<0.001) compared to the controls. Examining temporal changes in HTX pts we found a decrease in LVMi (69.57±16.4 vs 61.7±9.8g/m2, p<0.05) already at three months, normalization of GCS (−37.7±5.5% vs −32.6±4.9%, p<0.05) and decrease in SD of peak LS (13.5±2.3 vs 11.4±2.4, p<0.05) at 6 months. Oedema was present in all pts at one month after HTX, and disappeared after three months. LGE with aspecific pattern was present in 42%.
LGE with aspecific pattern in HTX pts
Conclusions
Understanding the temporal changes of LV mechanics, function and tissue characteristics, furthermore the establishment of physiological values may help in the early, noninvasive identification of pathological changes in HTX pts.
NCT number: NCT03499197
Acknowledgement/Funding
Project no. NVKP_16-1-2016-0017 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary
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Banfi-Bacsardi F, Ruzsa Z, Lux A, Edes I, Molnar L, Barczi GY, Becker D, Merkely B. P959The specific characteristics and independent predictors of no-reflow phenomenon, development of a clinically-adaptable risk estimation system. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
No-reflow (NR) phenomenon occurs, when myocardial perfusion is not re-established despite opening the coronary artery during percutaneous coronary intervention (PCI).
Purpose
Our aim was to identify no-reflow specific characteristics, its independent predictors, and to develop a clinically-adaptable risk score.
Methods
We have analysed 4085 patient data from two Hungarian cardiovascular centres. We included all STEMI/NSTEMI patients underwent PCI (n=3187). 158 patients treated with papaverine/adenosine formed NR group, while 3029 patients were in control (C) group. Anamnestic parameters, laboratory and operation data were compared. Statistical analysis was carried out with Mann-Whitney-, Fisher test, binary logistic regression and Kaplan Meier survival curve. Based on our results, we designed a risk estimation system, checking its applicability with ROC analysis.
Results
As for NR-specific characteristics, malignant ventricular arrhythmias (11% vs. 4%, p=0,0031; NR-C consequently) and complications (21% vs. 11%, p=0,064) showed their vulnerability. The increment of glucose (8,1 vs. 7,1 mmol/l, p=0,004), WBC (12,08 vs. 10,5 G/l, p=0,001), CRP (12,46 vs. 7,67 mg/l, p=0,051) and LDL levels (3,34 vs. 3,13 mmol/l, p=0,059) supported the pathomechanism of NR. Higher biomarker levels (troponinT: 2040 vs. 510,5 ng/ml; CK-MB: 100,4 vs. 63,65 U/l, p<0,0001) indicated severe perfusion disturbance. Tendency was seen in higher BMI (28,65 vs. 28,03 kg/m2, p=0,12). STEMI dominated in NR (83 vs. 59%, p<0,0001). Lower platelet level (213,3 vs. 228 G/l, p=0,107) and single vessel disease (46 vs. 25%, p=0,0042) characterized NR.
30-day survival was significantly different (85,1 vs. 93,54%, p<0,0001). The mortality rate of NR in STEMI was 69,7% (69,7% vs. 7,94%, p<0,0001) and in NSTEMI 3,7% (3,7% vs. 4,32%).
From the significant differences, CRP was the independent predictor of NR (OR: 1,011, p=0,004; pro 1 mg/l change). Examining STEMI/NSTEMI separately, in STEMI CRP was the independent predictor (OR: 1,0092, p=0,036). In NSTEMI LDL (OR: 4,23, p=0,021) was the independent factor.
In the risk score, the following 8 parameters were included: BMI>28 kg/m2, glucose>8 mmol/l, WBC>12 G/l, CK-MB>100 U/l, hs troponin T>2000 ng/ml, CRP>12 mg/l, LDL>3,3 mmol/l, STEMI (yes/no), thus maximum 8 points could be reached. Low (0–1 points, 5–20%), moderate (2–5 points, 55–70%) and high risk groups (6–8 points, 41–11%) were formed. Supervising the model with ROC analysis: AUC=0,69, p=0,0026, which indicates its ability to discriminate effectively between different risk levels of NR.
Conclusions
The specific characteristics of NR group were identified, from which CRP was the independent predictor - as well as in STEMI, while in NR-NSTEMI LDL was the independent factor. With the elaborated risk estimation system –using anamnestic and routine laboratory parameters– NR could be predicted and unsuccessful PCI could be reduced, resulting in positive therapeutic consequences.
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Skoda R, Szilagyi B, Lukacs M, Pongracz R, Barczi GY, Vago H, Czimbalmos CS, Edes I, Ruzsa Z, Sotonyi P, Dinya E, Merkely B, Becker D. P5485The impact of meteorological parameters on the incidence of myocardial infarction. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
The changing of some meteorological parameters have major burden on the human body. That's why it became necessary to adopt to the altering conditions. The air temperature, atmospheric pressure have a significant influence on the patient's physical shape, blood pressure and response to stress.
The aim of our study was to assess the impact of the fronts and all the factors forming the weather at the same time on the incidence of myocardial infarction and its prognosis.
Methods
We performed a retrospective analysis on the data of 11820 consecutive patients surviving acute myocardial infarction between 2005 and 2014. We used to scales applied in meteorology to characterise the days (Péczely Scale, Front Scale). We studied the incidence of the values of the different scales 2 days before and after the infarction.
Results
We had a database of 11820 patients, STEMI (n=5183) and NSTEMI (n=6004). We created different subgroups (age, 30-day mortality, occurrence of primary ventricle fibrillation) to make our estimation. Considering non VF patients the effect of Front 3 whereas among VF positive patients Front 5 is more significant. The incidence rates of Front 3 one day before and on the day of the infarction in the non-VF and NSTEMI group is 0.2041 and 0.1735, in the non-VF and STEMI group it is 0.1939 two days before the event. The incidence rate of Front 5 on the 2nd day in the NSTEMI and VF positive group is 0.0357, it is 0.0714 among STEMI and VF positive patients on the day of the event. The influence of the approaching warm front is significant (p<0.05).
Conclusion
The influence of the weather is not irrelevant in the occurrence of MI. The mortality rates are higher in several subgroups on days having a Péczely Scale 3. The different fronts have a major impact on the severity of the infarction. The Front 5 causes higher incidence of VF due to MI. We proved that warm fronts have a significant effect on patients dying within 30 days.
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Zeymer U, Ludman P, Danchin N, Kala P, Maggioni AP, Weidinger F, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy VK, Nedoshivin A, Petronio AS, Roos-Hesselink J, Wallentin L, Zeymer U, Weidinger F, Zeymer U, Danchin N, Ludman P, Sinnaeve P, Kala P, Ferrari R, Maggioni AP, Goda A, Zelveian P, Weidinger F, Karamfilov K, Motovska Z, Zeymer U, Raungaard B, Marandi T, Shaheen SM, Lidon RM, Karjalainen PP, Kereselidze Z, Alexopoulos D, Becker D, Quinn M, Iakobishvili Z, Al-Farhan H, Sadeghi M, Caporale R, Romeo F, Mirrakhimov E, Serpytis P, Erglis A, Kedev S, Balbi MM, Moore AM, Dudek D, Legutko J, Mimoso J, Tatu-Chitoiu G, Stojkovic S, Shlyakhto E, AlHabib KF, Bunc M, Studencan M, Mourali MS, Bajraktari G, Konte M, Larras F, Lefrancq EF, Mekhaldi S, Laroche C, Maggioni AP, Goda A, Shuka N, Pavli E, Tafaj E, Gishto T, Dibra A, Duka A, Gjana A, Kristo A, Knuti G, Demiraj A, Dado E, Hasimi E, Simoni L, Siqeca M, Sisakian H, Hayrapetyan H, Markosyan S, Galustyan L, Arustamyan N, Kzhdryan H, Pepoyan S, Zirkik A, Von Lewinski D, Paetzold S, Kienzl I, Matyas K, Neunteufl T, Nikfardjam M, Neuhold U, Mihalcz A, Glaser F, Steinwender C, Reiter C, Grund M, Hrncic D, Hoppe U, Hammerer M, Hinterbuchner L, Hengstenberg C, Delle Karth G, Lang I, Weidinger F, Winkler W, Hasun M, Kastner J, Havel C, Derntl M, Oberegger G, Hajos J, Adlbrecht C, Publig T, Leitgeb MC, Wilfing R, Jirak P, Ho CY, Puskas L, Schrutka L, Spinar J, Parenica J, Hlinomaz O, Fendrychova V, Semenka J, Sikora J, Sitar J, Groch L, Rezek M, Novak M, Kramarikova P, Stasek J, Dusek J, Zdrahal P, Polasek R, Karasek J, Seiner J, Sukova N, Varvarovsky I, Lazarák T, Novotny V, Matejka J, Rokyta R, Volovar S, Belohlavek J, Motovska Z, Siranec M, Kamenik M, Kralik R, Raungaard B, Ravkilde J, Jensen SE, Villadsen A, Villefrance K, Schmidt Skov C, Maeng M, Moeller K, Hasan-Ali H, Ahmed TA, Hassan M, ElGuindy A, Farouk Ismail M, Ibrahim Abd El-Aal A, El-sayed Gaafar A, Magdy Hassan H, Ahmed Shafie M, Nabil El-khouly M, Bendary A, Darwish M, Ahmed Y, Amin O, AbdElHakim A, Abosaif K, Kandil H, Galal MAG, El Hefny EE, El Sayed M, Aly K, Mokarrab M, Osman M, Abdelhamid M, Mantawy S, Ali MR, Kaky SD, Khalil VA, Saraya MEA, Talaat A, Nabil M, Mounir WM, Mahmoud K, Aransa A, Kazamel G, Anwar S, Al-Habbaa A, Abd el Monem M, Ismael A, Amin Abu-Sheaishaa M, Abd Rabou MM, Hammouda TMA, Moaaz M, Elkhashab K, Ragab T, Rashwan A, Rmdan A, AbdelRazek G, Ebeid H, Soliman Ghareeb H, Farag N, Zaki M, Seleem M, Torki A, Youssef M, AlLah Nasser NA, Rafaat A, Selim H, Makram MM, Khayyal M, Malasi K, Madkour A, Kolib M, Alkady H, Nagah H, Yossef M, Wafa A, Mahfouz E, Faheem G, Magdy Moris M, Ragab A, Ghazal M, Mabrouk A, Hassan M, El-Masry M, Naseem M, Samir S, Marandi T, Reinmets J, Allvee M, Saar A, Ainla T, Vaide A, Kisseljova M, Pakosta U, Eha J, Lotamois K, Sia J, Myllymaki J, Pinola T, Karjalainen PP, Paana T, Mikkelsson J, Ampio M, Tsivilasvili J, Zurab P, Kereselidze Z, Agladze R, Melia A, Gogoberidze D, Khubua N, Totladze L, Metreveli I, Chikovani A, Eitel I, Pöss J, Werner M, Constantz A, Ahrens C, Zeymer U, Tolksdorf H, Klinger S, Sack S, Heer T, Lekakis J, Kanakakis I, Xenogiannis I, Ermidou K, Makris N, Ntalianis A, Katsaros F, Revi E, Kafkala K, Mihelakis E, Diakakis G, Grammatikopoulos K, Voutsinos D, Alexopoulos D, Xanthopoulou I, Mplani V, Foussas S, Papakonstantinou N, Patsourakos N, Dimopoulos A, Derventzis A, Athanasiou K, Vassilikos VP, Papadopoulos C, Tzikas S, Vogiatzis I, Datsios A, Galitsianos I, Koutsampasopoulos K, Grigoriadis S, Douras A, Baka N, Spathis S, Kyrlidis T, Hatzinikolaou H, Kiss RG, Becker D, Nowotta F, Tóth K, Szabó S, Lakatos C, Jambrik Z, Ruzsa J, Ruzsa Z, Róna S, Toth J, Vargane Kosik A, Toth KSB, Nagy GG, Ondrejkó Z, Körömi Z, Botos B, Pourmoghadas M, Salehi A, Massoumi G, Sadeghi M, Soleimani A, Sarrafzadegan N, Roohafza H, Azarm M, Mirmohammadsadeghi A, Rajabi D, Rahmani Y, Siabani S, Najafi F, Hamzeh B, Karim H, Siabani H, Saleh N, Charehjoo H, Zamzam L, Al-Temimi G, Al-Farhan H, Al-Yassin A, Mohammad A, Ridha A, Al-Saedi G, Atabi N, Sabbar O, Mahmood S, Dakhil Z, Yaseen IF, Almyahi M, Alkenzawi H, Alkinani T, Alyacopy A, Kearney P, Twomey K, Iakobishvili Z, Shlomo N, Beigel R, Caldarola P, Rutigliano D, Sublimi Saponetti L, Locuratolo N, Palumbo V, Scherillo M, Formigli D, Canova P, Musumeci G, Roncali F, Metra M, Lombardi C, Visco E, Rossi L, Meloni L, Montisci R, Pippia V, Marchetti MF, Congia M, Cacace C, Luca G, Boscarelli G, Indolfi C, Ambrosio G, Mongiardo A, Spaccarotella C, De Rosa S, Canino G, Critelli C, Caporale R, Chiappetta D, Battista F, Gabrielli D, Marziali A, Bernabò P, Navazio A, Guerri E, Manca F, Gobbi M, Oreto G, Andò G, Carerj S, Saporito F, Cimmino M, Rigo F, Zuin G, Tuccillo B, Scotto di Uccio F, Irace L, Lorenzoni G, Meloni I, Merella P, Polizzi GM, Pino R, Marzilli M, Morrone D, Caravelli P, Orsini E, Mosa S, Piovaccari G, Santarelli A, Cavazza C, Romeo F, Fedele F, Mancone M, Straito M, Salvi N, Scarparo P, Severino P, Razzini C, Massaro G, Cinque A, Gaudio C, Barillà F, Torromeo C, Porco L, Mei M, Iorio R, Nassiacos D, Barco B, Sinagra G, Falco L, Priolo L, Perkan A, Strana M, Bajraktari G, Percuku L, Berisha G, Mziu B, Beishenkulov M, Abdurashidova T, Toktosunova A, Kaliev K, Serpytis P, Serpytis R, Butkute E, Lizaitis M, Broslavskyte M, Xuereb RG, Moore AM, Mercieca Balbi M, Paris E, Buttigieg L, Musial W, Dobrzycki S, Dubicki A, Kazimierczyk E, Tycinska A, Wojakowski W, Kalanska-Lukasik B, Ochala A, Wanha W, Dworowy S, Sielski J, Janion M, Janion-Sadowska A, Dudek D, Wojtasik-Bakalarz J, Bryniarski L, Peruga JZ, Jonczyk M, Jankowski L, Klecha A, Legutko J, Michalowska J, Brzezinski M, Kozmik T, Kowalczyk T, Adamczuk J, Maliszewski M, Kuziemka P, Plaza P, Jaros A, Pawelec A, Sledz J, Bartus S, Zmuda W, Bogusz M, Wisnicki M, Szastak G, Adamczyk M, Suska M, Czunko P, Opolski G, Kochman J, Tomaniak M, Miernik S, Paczwa K, Witkowski A, Opolski MP, Staruch AD, Kalarus Z, Honisz G, Mencel G, Swierad M, Podolecki T, Marques J, Azevedo P, Pereira MA, Gaspar A, Monteiro S, Goncalves F, Leite L, Mimoso J, Manuel Lopes dos Santos W, Amado J, Pereira D, Silva B, Caires G, Neto M, Rodrigues R, Correia A, Freitas D, Lourenco A, Ferreira F, Sousa F, Portugues J, Calvo L, Almeida F, Alves M, Silva A, Caria R, Seixo F, Militaru C, Ionica E, Tatu-Chitoiu G, Istratoaie O, Florescu M, Lipnitckaia E, Osipova O, Konstantinov S, Bukatov V, Vinokur T, Egorova E, Nefedova E, Levashov S, Gorbunova A, Redkina M, Karaulovskaya N, Bijieva F, Babich N, Smirnova O, Filyanin R, Eseva S, Kutluev A, Chlopenova A, Shtanko A, Kuppar E, Shaekhmurzina E, Ibragimova M, Mullahmetova M, Chepisova M, Kuzminykh M, Betkaraeva M, Namitokov A, Khasanov N, Baleeva L, Galeeva Z, Magamedkerimova F, Ivantsov E, Tavlueva E, Kochergina A, Sedykh D, Kosmachova E, Skibitskiy V, Porodenko N, Namitokov A, Litovka K, Ulbasheva E, Niculina S, Petrova M, Harkov E, Tsybulskaya N, Lobanova A, Chernova A, Kuskaeva A, Kuskaev A, Ruda M, Zateyshchikov D, Gilarov M, Konstantinova E, Koroleva O, Averkova A, Zhukova N, Kalimullin D, Borovkova N, Tokareva A, Buyanova M, Khaisheva L, Pirozhenko A, Novikova T, Yakovlev A, Tyurina T, Lapshin K, Moroshkina N, Kiseleva M, Fedorova S, Krylova L, Duplyakov D, Semenova Y, Rusina A, Ryabov V, Syrkina A, Demianov S, Reitblat O, Artemchuk A, Efremova E, Makeeva E, Menzorov M, Shutov A, Klimova N, Shevchenko I, Elistratova O, Kostyuckova O, Islamov R, Budyak V, Ponomareva E, Ullah Jan U, Alshehri AM, Sedky E, Alsihati Z, Mimish L, Selem A, Malik A, Majeed O, Altnji I, AlShehri M, Aref A, AlHabib K, AlDosary M, Tayel S, Abd AlRahman M, Asfina KN, Abdin Hussein G, Butt M, Markovic Nikolic N, Obradovic S, Djenic N, Brajovic M, Davidovic A, Romanovic R, Novakovic V, Dekleva M, Spasic M, Dzudovic B, Jovic Z, Cvijanovic D, Veljkovic S, Ivanov I, Cankovic M, Jarakovic M, Kovacevic M, Trajkovic M, Mitov V, Jovic A, Hudec M, Gombasky M, Sumbal J, Bohm A, Baranova E, Kovar F, Samos M, Podoba J, Kurray P, Obona T, Remenarikova A, Kollarik B, Verebova D, Kardosova G, Studencan M, Alusik D, Macakova J, Kozlej M, Bayes-Genis A, Sionis A, Garcia Garcia C, Lidon RM, Duran Cambra A, Labata Salvador C, Rueda Sobella F, Sans Rosello J, Vila Perales M, Oliveras Vila T, Ferrer Massot M, Bañeras J, Lekuona I, Zugazabeitia G, Fernandez-Ortiz A, Viana Tejedor A, Ferrera C, Alvarez V, Diaz-Castro O, Agra-Bermejo RM, Gonzalez-Cambeiro C, Gonzalez-Babarro E, Domingo-Del Valle J, Royuela N, Burgos V, Canteli A, Castrillo C, Cobo M, Ruiz M, Abu-Assi E, Garcia Acuna JM. The ESC ACCA EAPCI EORP acute coronary syndrome ST-elevation myocardial infarction registry. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2019; 6:100-104. [DOI: 10.1093/ehjqcco/qcz042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 07/24/2019] [Indexed: 12/20/2022]
Abstract
Abstract
Aims
The Acute Cardiac Care Association (ACCA)–European Association of Percutaneous Coronary Intervention (EAPCI) Registry on ST-elevation myocardial infarction (STEMI) of the EurObservational programme (EORP) of the European Society of Cardiology (ESC) registry aimed to determine the current state of the use of reperfusion therapy in ESC member and ESC affiliated countries and the adherence to ESC STEMI guidelines in patients with STEMI.
Methods and results
Between 1 January 2015 and 31 March 2018, a total of 11 462 patients admitted with an initial diagnosis of STEMI according to the 2012 ESC STEMI guidelines were enrolled. Individual patient data were collected across 196 centres and 29 countries. Among the centres, there were 136 percutaneous coronary intervention centres and 91 with cardiac surgery on-site. The majority of centres (129/196) were part of a STEMI network. The main objective of this study was to describe the demographic, clinical, and angiographic characteristics of patients with STEMI. Other objectives include to assess management patterns and in particular the current use of reperfusion therapies and to evaluate how recommendations of most recent STEMI European guidelines regarding reperfusion therapies and adjunctive pharmacological and non-pharmacological treatments are adopted in clinical practice and how their application can impact on patients’ outcomes. Patients will be followed for 1 year after admission.
Conclusion
The ESC ACCA-EAPCI EORP ACS STEMI registry is an international registry of care and outcomes of patients hospitalized with STEMI. It will provide insights into the contemporary patient profile, management patterns, and 1-year outcome of patients with STEMI.
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Liu RS, Dunn S, Grobler AC, Lange K, Becker D, Goldsmith G, Carlin JB, Juonala M, Wake M, Burgner DP. Carotid artery intima-media thickness, distensibility and elasticity: population epidemiology and concordance in Australian children aged 11-12 years old and their parents. BMJ Open 2019; 9:23-33. [PMID: 31273013 PMCID: PMC6624035 DOI: 10.1136/bmjopen-2017-020264] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES To describe a well-established marker of cardiovascular risk, carotid intima-media thickness (IMT) and related measures (artery distensibility and elasticity) in children aged 11-12 years old and mid-life adults, and examine associations within parent-child dyads. DESIGN Cross-sectional study (Child Health CheckPoint), nested within a prospective cohort study, the Longitudinal Study of Australian Children (LSAC). SETTING Assessment centres in seven Australian major cities and eight selected regional towns, February 2015 to March 2016. PARTICIPANTS Of all participating CheckPoint families (n=1874), 1489 children (50.0% girls) and 1476 parents (86.8% mothers) with carotid IMT data were included. Survey weights and methods were applied to account for LSAC's complex sample design and clustering within postcodes and strata. OUTCOME MEASURES Ultrasound of the right carotid artery was performed using standardised protocols. Primary outcomes were mean and maximum far-wall carotid IMT, quantified using semiautomated edge detection software. Secondary outcomes were carotid artery distensibility and elasticity. Pearson's correlation coefficients and multivariable linear regression models were used to assess parent-child concordance. Random effects modelling on a subset of ultrasounds (with repeated measurements) was used to assess reliability of the child carotid IMT measure. RESULTS The average mean and maximum child carotid IMT were 0.50 mm (SD 0.06) and 0.58 mm (SD 0.05), respectively. In adults, average mean and maximum carotid IMT were 0.57 mm (SD 0.07) and 0.66 mm (SD 0.10), respectively. Mother-child correlations for mean and maximum carotid IMT were 0.12 (95% CI 0.05 to 0.23) and 0.10 (95% CI 0.03 to 0.21), respectively. For carotid artery distensibility and elasticity, mother-child correlations were 0.19 (95% CI 0.10 to 0.25) and 0.11 (95% CI 0.02 to 0.18), respectively. There was no strong evidence of father-child correlation in any measure. CONCLUSIONS We provide Australian values for carotid vascular measures and report a modest mother-child concordance. Both genetic and environmental exposures are likely to contribute to carotid IMT.
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Kuhns K, Letlau M, Lord S, McCulloch-Olson M, Miller L, Nepom G, Odegard J, Ramey M, Sachter E, St. Marie M, Stickney K, VanBuecken D, Vellek B, Webber C, Allen L, Bollyk J, Hilderman N, Ismail H, Lamola S, Sanda S, Vendettuoli H, Tridgell D, Monzavi R, Bock M, Fisher L, Halvorson M, Jeandron D, Kim M, Wood J, Geffner M, Kaufman F, Parkman R, Salazar C, Goland R, Clynes R, Cook S, Freeby M, Pat Gallagher M, Gandica R, Greenberg E, Kurland A, Pollak S, Wolk A, Chan M, Koplimae L, Levine E, Smith K, Trast J, DiMeglio L, Blum J, Evans-Molina C, Hufferd R, Jagielo B, Kruse C, Patrick V, Rigby M, Spall M, Swinney K, Terrell J, Christner L, Ford L, Lynch S, Menendez M, Merrill P, Pescovitz M, Rodriguez H, Alleyn C, Baidal D, Fay S, Gaglia J, Resnick B, Szubowicz S, Weir G, Benjamin R, Conboy D, deManbey A, Jackson R, Jalahej H, Orban T, Ricker A, Wolfsdorf J, Zhang HH, Wilson D, Aye T, Baker B, Barahona K, Buckingham B, Esrey K, Esrey T, Fathman G, Snyder R, Aneja B, Chatav M, Espinoza O, Frank E, Liu J, Perry J, Pyle R, Rigby A, Riley K, Soto A, Gitelman S, Adi S, Anderson M, Berhel A, Breen K, Fraser K, Gerard-Gonzalez A, Jossan P, Lustig R, Moassesfar S, Mugg A, Ng D, Prahalod P, Rangel-Lugo M, Sanda S, Tarkoff J, Torok C, Wesch R, Aslan I, Buchanan J, Cordier J, Hamilton C, Hawkins L, Ho T, Jain A, Ko K, Lee T, Phelps S, Rosenthal S, Sahakitrungruang T, Stehl L, Taylor L, Wertz M, Wong J, Philipson L, Briars R, Devine N, Littlejohn E, Grant T, Gottlieb P, Klingensmith G, Steck A, Alkanani A, Bautista K, Bedoy R, Blau A, Burke B, Cory L, Dang M, Fitzgerald-Miller L, Fouts A, Gage V, Garg S, Gesauldo P, Gutin R, Hayes C, Hoffman M, Ketchum K, Logsden-Sackett N, Maahs D, Messer L, Meyers L, Michels A, Peacock S, Rewers M, Rodriguez P, Sepulbeda F, Sippl R, Steck A, Taki I, Tran BK, Tran T, Wadwa RP, Zeitler P, Barker J, Barry S, Birks L, Bomsburger L, Bookert T, Briggs L, Burdick P, Cabrera R, Chase P, Cobry E, Conley A, Cook G, Daniels J, DiDomenico D, Eckert J, Ehler A, Eisenbarth G, Fain P, Fiallo-Scharer R, Frank N, Goettle H, Haarhues M, Harris S, Horton L, Hutton J, Jeffrrey J, Jenison R, Jones K, Kastelic W, King MA, Lehr D, Lungaro J, Mason K, Maurer H, Nguyen L, Proto A, Realsen J, Schmitt K, Schwartz M, Skovgaard S, Smith J, Vanderwel B, Voelmle M, Wagner R, Wallace A, Walravens P, Weiner L, Westerhoff B, Westfall E, Widmer K, Wright H, Schatz D, Abraham A, Atkinson M, Cintron M, Clare-Salzler M, Ferguson J, Haller M, Hosford J, Mancini D, Rohrs H, Silverstein J, Thomas J, Winter W, Cole G, Cook R, Coy R, Hicks E, Lewis N, Marks J, Pugliese A, Blaschke C, Matheson D, Pugliese A, Sanders-Branca N, Ray Arce LA, Cisneros M, Sabbag S, Moran A, Gibson C, Fife B, Hering B, Kwong C, Leschyshyn J, Nathan B, Pappenfus B, Street A, Boes MA, Peterson Eck S, Finney L, Albright Fischer T, Martin A, Jacqueline Muzamhindo C, Rhodes M, Smith J, Wagner J, Wood B, Becker D, Delallo K, Diaz A, Elnyczky B, Libman I, Pasek B, Riley K, Trucco M, Copemen B, Gwynn D, Toledo F, Rodriguez H, Bollepalli S, Diamond F, Eyth E, Henson D, Lenz A, Shulman D, Raskin P, Adhikari S, Dickson B, Dunnigan E, Lingvay I, Pruneda L, Ramos-Roman M, Raskin P, Rhee C, Richard J, Siegelman M, Sturges D, Sumpter K, White P, Alford M, Arthur J, Aviles-Santa ML, Cordova E, Davis R, Fernandez S, Fordan S, Hardin T, Jacobs A, Kaloyanova P, Lukacova-Zib I, Mirfakhraee S, Mohan A, Noto H, Smith O, Torres N, Wherrett D, Balmer D, Eisel L, Kovalakovska R, Mehan M, Sultan F, Ahenkorah B, Cevallos J, Razack N, Jo Ricci M, Rhode A, Srikandarajah M, Steger R, Russell WE, Black M, Brendle F, Brown A, Moore D, Pittel E, Robertson A, Shannon A, Thomas JW, Herold K, Feldman L, Sherwin R, Tamborlane W, Weinzimer S, Toppari J, Kallio T, Kärkkäinen M, Mäntymäki E, Niininen T, Nurmi B, Rajala P, Romo M, Suomenrinne S, Näntö-Salonen K, Simell O, Simell T, Bosi E, Battaglia M, Bianconi E, Bonfanti R, Grogan P, Laurenzi A, Martinenghi S, Meschi F, Pastore M, Falqui L, Teresa Muscato M, Viscardi M, Bingley P, Castleden H, Farthing N, Loud S, Matthews C, McGhee J, Morgan A, Pollitt J, Elliot-Jones R, Wheaton C, Knip M, Siljander H, Suomalainen H, Colman P, Healy F, Mesfin S, Redl L, Wentworth J, Willis J, Farley M, Harrison L, Perry C, Williams F, Mayo A, Paxton J, Thompson V, Volin L, Fenton C, Carr L, Lemon E, Swank M, Luidens M, Salgam M, Sharma V, Schade D, King C, Carano R, Heiden J, Means N, Holman L, Thomas I, Madrigal D, Muth T, Martin C, Plunkett C, Ramm C, Auchus R, Lane W, Avots E, Buford M, Hale C, Hoyle J, Lane B, Muir A, Shuler S, Raviele N, Ivie E, Jenkins M, Lindsley K, Hansen I, Fadoju D, Felner E, Bode B, Hosey R, Sax J, Jefferies C, Mannering S, Prentis R, She J, Stachura M, Hopkins D, Williams J, Steed L, Asatapova E, Nunez S, Knight S, Dixon P, Ching J, Donner T, Longnecker S, Abel K, Arcara K, Blackman S, Clark L, Cooke D, Plotnick L, Levin P, Bromberger L, Klein K, Sadurska K, Allen C, Michaud D, Snodgrass H, Burghen G, Chatha S, Clark C, Silverberg J, Wittmer C, Gardner J, LeBoeuf C, Bell P, McGlore O, Tennet H, Alba N, Carroll M, Baert L, Beaton H, Cordell E, Haynes A, Reed C, Lichter K, McCarthy P, McCarthy S, Monchamp T, Roach J, Manies S, Gunville F, Marosok L, Nelson T, Ackerman K, Rudolph J, Stewart M, McCormick K, May S, Falls T, Barrett T, Dale K, Makusha L, McTernana C, Penny-Thomas K, Sullivan K, Narendran P, Robbie J, Smith D, Christensen R, Koehler B, Royal C, Arthur T, Houser H, Renaldi J, Watsen S, Wu P, Lyons L, House B, Yu J, Holt H, Nation M, Vickers C, Watling R, Heptulla R, Trast J, Agarwal C, Newell D, Katikaneni R, Gardner C, Del A, Rio A, Logan H, Collier C, Rishton G, Whalley A, Ali S, Ramtoola T, Quattrin L, Mastrandea A, House M, Ecker C, Huang C, Gougeon J, Ho D, Pacuad D, Dunger J, May C, O’Brien C, Acerini B, Salgin A, Thankamony R, Williams J, Buse G, Fuller M, Duclos J, Tricome H, Brown D, Pittard D, Bowlby A, Blue T, Headley S, Bendre K, Lewis K, Sutphin C, Soloranzo J, Puskaric H, Madison M, Rincon M, Carlucci R, Shridharani B, Rusk E, Tessman D, Huffman H, Abrams B, Biederman M, Jones V, Leathers W, Brickman P, Petrie D, Zimmerman J, Howard L, Miller R, Alemzadeh D, Mihailescu R, Melgozza-Walker N, Abdulla C, Boucher-Berry D, Ize-Ludlow R, Levy C, Swenson, Brousell N, Crimmins D, Edler T, Weis C, Schultz D, Rogers D, Latham C, Mawhorter C, Switzer W, Spencer P, Konstantnopoulus S, Broder J, Klein L, Knight L, Szadek G, Welnick B, Thompson R, Hoffman A, Revell J, Cherko K, Carter E, Gilson J, Haines G, Arthur B, Bowen W, Zipf P, Graves R, Lozano D, Seiple K, Spicer A, Chang J, Fregosi J, Harbinson C, Paulson S, Stalters P, Wright D, Zlock A, Freeth J, Victory H, Maheshwari A, Maheshwari T, Holmstrom J, Bueno R, Arguello J, Ahern L, Noreika V, Watson S, Hourse P, Breyer C, Kissel Y, Nicholson M, Pfeifer S, Almazan J, Bajaj M, Quinn K, Funk J, McCance E, Moreno R, Veintimilla A, Wells J, Cook S, Trunnel J, Henske S, Desai K, Frizelis F, Khan R, Sjoberg K, Allen P, Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Baechler SA, Factor VM, Dalla Rosa I, Ravji A, Becker D, Khiati S, Miller Jenkins LM, Lang M, Sourbier C, Michaels SA, Neckers LM, Zhang HL, Spinazzola A, Huang SN, Marquardt JU, Pommier Y. The mitochondrial type IB topoisomerase drives mitochondrial translation and carcinogenesis. Nat Commun 2019; 10:83. [PMID: 30622257 PMCID: PMC6325124 DOI: 10.1038/s41467-018-07922-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 11/28/2018] [Indexed: 01/23/2023] Open
Abstract
Mitochondrial topoisomerase IB (TOP1MT) is a nuclear-encoded topoisomerase, exclusively localized to mitochondria, which resolves topological stress generated during mtDNA replication and transcription. Here, we report that TOP1MT is overexpressed in cancer tissues and demonstrate that TOP1MT deficiency attenuates tumor growth in human and mouse models of colon and liver cancer. Due to their mitochondrial dysfunction, TOP1MT-KO cells become addicted to glycolysis, which limits synthetic building blocks and energy supply required for the proliferation of cancer cells in a nutrient-deprived tumor microenvironment. Mechanistically, we show that TOP1MT associates with mitoribosomal subunits, ensuring optimal mitochondrial translation and assembly of oxidative phosphorylation complexes that are critical for sustaining tumor growth. The TOP1MT genomic signature profile, based on Top1mt-KO liver cancers, is correlated with enhanced survival of hepatocellular carcinoma patients. Our results highlight the importance of TOP1MT for tumor development, providing a potential rationale to develop TOP1MT-targeted drugs as anticancer therapies.
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MESH Headings
- Animals
- Carcinogenesis/pathology
- Carcinogens/toxicity
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/mortality
- Carcinoma, Hepatocellular/pathology
- Cell Nucleus/metabolism
- Cell Proliferation
- DNA Topoisomerases, Type I/genetics
- DNA Topoisomerases, Type I/metabolism
- DNA, Mitochondrial/genetics
- DNA, Mitochondrial/isolation & purification
- Datasets as Topic
- Energy Metabolism
- Female
- Fibroblasts
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic
- Glycolysis
- HCT116 Cells
- Humans
- Liver/cytology
- Liver/metabolism
- Liver/pathology
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/mortality
- Liver Neoplasms/pathology
- Liver Neoplasms, Experimental/chemically induced
- Liver Neoplasms, Experimental/genetics
- Liver Neoplasms, Experimental/metabolism
- Liver Neoplasms, Experimental/pathology
- Male
- Mice
- Mice, Knockout
- Mice, Nude
- Mitochondria/metabolism
- Mitochondria/pathology
- Prognosis
- Protein Biosynthesis
- Survival Analysis
- Xenograft Model Antitumor Assays
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Silins E, Horwood LJ, Najman JM, Patton GC, Toumbourou JW, Olsson CA, Hutchinson DM, Degenhardt L, Fergusson D, Becker D, Boden JM, Borschmann R, Plotnikova M, Youssef GJ, Tait RJ, Clare P, Hall WD, Mattick RP. Adverse adult consequences of different alcohol use patterns in adolescence: an integrative analysis of data to age 30 years from four Australasian cohorts. Addiction 2018; 113:1811-1825. [PMID: 29749666 DOI: 10.1111/add.14263] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 01/15/2018] [Accepted: 04/30/2018] [Indexed: 01/20/2023]
Abstract
BACKGROUND AND AIMS Studies have linked adolescent alcohol use with adverse consequences in adulthood, yet it is unclear how strong the associations are and to what extent they may be due to confounding. Our aim was to estimate the strength of association between different patterns of adolescent drinking and longer-term psychosocial harms taking into account individual, family and peer factors. DESIGN Participant-level data were integrated from four long-running longitudinal studies: Australian Temperament Project, Christchurch Health and Development Study, Mater Hospital and University of Queensland Study of Pregnancy and Victorian Adolescent Health Cohort Study. SETTING Australia and New Zealand. PARTICIPANTS Participants were assessed on multiple occasions between ages 13 and 30 years (from 1991 to 2012). Number of participants varied (up to n = 9453) by analysis. MEASUREMENTS Three patterns of alcohol use (frequent, heavy episodic and problem drinking) were assessed prior to age 17. Thirty outcomes were assessed to age 30 spanning substance use and related problems, antisocial behaviour, sexual risk-taking, accidents, socio-economic functioning, mental health and partner relationships. FINDINGS After covariate adjustment, weekly drinking prior to age 17 was associated with a two- to threefold increase in the odds of binge drinking [odds ratio (OR) = 2.14; 95% confidence interval (CI) = 1.57-2.90], drink driving (OR = 2.78; 95% CI = 1.84-4.19), alcohol-related problems (OR = 3.04; 95% CI = 1.90-4.84) and alcohol dependence (OR = 3.30; 95% CI = 1.69-6.47) in adulthood. Frequency of drinking accounted for a greater proportion of the rate of most adverse outcomes than the other measures of alcohol use. Associations between frequent, heavy episodic and problem drinking in adolescence and most non-alcohol outcomes were largely explained by shared risk factors for adolescent alcohol use and poor psychosocial functioning. CONCLUSIONS Frequency of adolescent drinking predicts substance use problems in adulthood as much as, and possibly more than, heavy episodic and problem drinking independent of individual, family and peer predictors of those outcomes.
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Masjosthusmann S, Barenys M, Baumann J, Bendt F, Becker D, Deenen R, Förster N, Mosig A, Hübenthal U, Klose J, Köhrer K, Petzuch B, Schmuck M, Temme T, Fritsche E. Molecular and chemical response signatures illustrate species differences of developing neural progenitor cells from human, mouse and rat. Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Haller MJ, Schatz DA, Skyler JS, Krischer JP, Bundy BN, Miller JL, Atkinson MA, Becker DJ, Baidal D, DiMeglio LA, Gitelman SE, Goland R, Gottlieb PA, Herold KC, Marks JB, Moran A, Rodriguez H, Russell W, Wilson DM, Greenbaum CJ, Greenbaum C, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Evans-Molina C, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Cowie C, Eisenbarth G, Fathman C, Grave G, Harrison L, Hering B, Insel R, Jordan S, Kaufman F, Kay T, Kenyon N, Klines R, Lachin J, Leschek E, Mahon J, Marks J, Monzavi R, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Ridge J, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Bourcier K, Greenbaum CJ, Krischer JP, Leschek E, Rafkin L, Spain L, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Greenbaum CJ, Rafkin L, Sosenko JM, Skyler JS, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Adams T, Amado D, Asif I, Boonstra M, Boulware D, Bundy B, Burroughs C, Cuthbertson D, Eberhard C, Fiske S, Ford J, Garmeson J, Guillette H, Geyer S, Hays B, Henderson C, Henry M, Heyman K, Hsiao B, Karges C, Kinderman A, Lane L, Leinbach A, Liu S, Lloyd J, Malloy J, Maddox K, Martin J, Miller J, Moore M, Muller S, Nguyen T, O’Donnell R, Parker M, Pereyra M, Reed N, Roberts A, Sadler K, Stavros T, Tamura R, Wood K, Xu P, Young K, Alies P, Badias F, Baker A, Bassi M, Beam C, Boulware D, Bounmananh L, Bream S, Deemer M, Freeman D, Gough J, Ginem J, Granger M, Holloway M, Kieffer M, Lane P, Law P, Linton C, Nallamshetty L, Oduah V, Parrimon Y, Paulus K, Pilger J, Ramiro J, Luvon AQ, Ritzie A, Sharma A, Shor X, Song A, Terry J, Weinberger M, Wootten J, Fradkin E, Leschek L, Spain C, Cowie S, Malozowski P, Savage G, Beck E, Blumberg R, Gubitosi-Klug L, Laffel R, Veatch D, Wallace J, Braun D, Brillon A, Lernmark B, Lo H, Mitchell A, Naji J, Nerup T, Orchard M, Steffes A, Tsiatis B, Zinman B, Loechelt L, Baden M, Green A, Weinberg S, Marcovina JP, Palmer A, Weinberg L, Yu W, Winter GS, Eisenbarth A, Shultz E, Batts K, Fitzpatrick M, Ramey R, Guerra C, Webb M, Romasco C, Greenbaum S, Lord D, VanBuecken W, Hao M, McCulloch D, Hefty K, Varner R, Goland E, Greenberg S, Pollack B, Nelson L, Looper L, DiMeglio M, Spall C, Evans-Molina M, Mantravadi J, Sanchez M, Mullen V, Patrick S, Woerner DM, Wilson T, Aye T, Esrey K, Barahona B, Baker H, Bitar C, Ghodrat M, Hamilton SE, Gitelman CT, Ferrara S, Sanda R, Wesch C, Torok P, Gottlieb J, Lykens C, Brill A, Michels A, Schauwecker MJ, Haller DA, Schatz MA, Atkinson LM, Jacobsen M, Cintron TM, Brusko CH, Wasserfall CE, Mathews JS, Skyler JM, Marks D, Baidal C, Blaschke D, Matheson A, Moran B, Nathan A, Street J, Leschyshyn B, Pappenfus B, Nelson N, Flaherty D, Becker K, Delallo D, Groscost K, Riley H, Rodriguez D, Henson E, Eyth W, Russell A, Brown F, Brendall K, Herold, Feldman L. Low-Dose Anti-Thymocyte Globulin (ATG) Preserves β-Cell Function and Improves HbA 1c in New-Onset Type 1 Diabetes. Diabetes Care 2018; 41:1917-1925. [PMID: 30012675 PMCID: PMC6105329 DOI: 10.2337/dc18-0494] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/12/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE A pilot study suggested that combination therapy with low-dose anti-thymocyte globulin (ATG) and pegylated granulocyte colony-stimulating factor (GCSF) preserves C-peptide in established type 1 diabetes (T1D) (duration 4 months to 2 years). We hypothesized that 1) low-dose ATG/GCSF or 2) low-dose ATG alone would slow the decline of β-cell function in patients with new-onset T1D (duration <100 days). RESEARCH DESIGN AND METHODS A three-arm, randomized, double-masked, placebo-controlled trial was performed by the Type 1 Diabetes TrialNet Study Group in 89 subjects: 29 subjects randomized to ATG (2.5 mg/kg intravenously) followed by pegylated GCSF (6 mg subcutaneously every 2 weeks for 6 doses), 29 to ATG alone (2.5 mg/kg), and 31 to placebo. The primary end point was mean area under the curve (AUC) C-peptide during a 2-h mixed-meal tolerance test 1 year after initiation of therapy. Significance was defined as one-sided P value < 0.025. RESULTS The 1-year mean AUC C-peptide was significantly higher in subjects treated with ATG (0.646 nmol/L) versus placebo (0.406 nmol/L) (P = 0.0003) but not in those treated with ATG/GCSF (0.528 nmol/L) versus placebo (P = 0.031). HbA1c was significantly reduced at 1 year in subjects treated with ATG and ATG/GCSF, P = 0.002 and 0.011, respectively. CONCLUSIONS Low-dose ATG slowed decline of C-peptide and reduced HbA1c in new-onset T1D. Addition of GCSF did not enhance C-peptide preservation afforded by low-dose ATG. Future studies should be considered to determine whether low-dose ATG alone or in combination with other agents may prevent or delay the onset of the disease.
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Redondo MJ, Geyer S, Steck AK, Sharp S, Wentworth JM, Weedon MN, Antinozzi P, Sosenko J, Atkinson M, Pugliese A, Oram RA, Antinozzi P, Atkinson M, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Colman P, Gottlieb P, Herold K, Insel R, Kay T, Knip M, Marks J, Moran A, Palmer J, Peakman M, Philipson L, Pugliese A, Raskin P, Rodriguez H, Roep B, Russell W, Schatz D, Wherrett D, Wilson D, Winter W, Ziegler A, Benoist C, Blum J, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Kaufman F, Leschek E, Mahon J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Roncarolo M, Simell O, Sherwin R, Siegelman M, Steck A, Thomas J, Trucco M, Wagner J, Greenbaum ,CJ, Bourcier K, Insel R, Krischer JP, Leschek E, Rafkin L, Spain L, Cowie C, Foulkes M, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Kenyon NS, Santiago I, Sosenko JM, Bundy B, Abbondondolo M, Adams T, Amado D, Asif I, Boonstra M, Bundy 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Morimoto C, Macarewich M, Norman R, Harding P, Patin K, Vargas C, Barbanica A, Yu A, Vaidyanathan P, Osborne W, Mehra R, Kaster S, Neace S, Horner J, McDonough S, Reeves G, Cordrey C, Marrs L, Miller T, Dowshen S, Doyle D, Walker S, Catte D, Dean H, Drury-Brown M, McGee PF, Hackman B, Lee M, Malkani S, Cullen K, Johnson K, Hampton P, McCarrell M, Curtis C, Paul E, Zambrano Y, Hess KO, Phoebus D, Quinlan S, Raiden E, Batts E, Buddy C, Kirpatrick K, Ramey M, Shultz A, Webb C, Romesco M, Fradkin J, Blumberg E, Beck G, Brillon D, Gubitosi-Klug R, Laffel L, Veatch R, Wallace D, Braun J, Lernmark A, Lo B, Mitchell H, Naji A, Nerup J, Orchard T, Steffes M, Tsiatis A, Zinman B, Loechelt B, Baden L, Green M, Weinberg A, Marcovina S, Palmer JP, Weinberg A, Yu L, Babu S, Winter W, Eisenbarth GS, Bingley P, Clynes R, DiMeglio L, Eisenbarth G, Hays B, Marks J, Matheson D, Rodriguez H, Wilson D, Redondo MJ, Gomez D, Zheng X, Pena S, Pietropaolo M, Batts E, Brown T, Buckner J, Dove A, Hammond M, Hefty D, Klein J, Kuhns K, Letlau M, Lord S, McCulloch-Olson M, Miller L, Nepom G, Odegard J, Ramey M, Sachter E, St. Marie M, Stickney K, VanBuecken D, Vellek B, Webber C, Allen L, Bollyk J, Hilderman N, Ismail H, Lamola S, Sanda S, Vendettuoli H, Tridgell D, Monzavi R, Bock M, Fisher L, Halvorson M, Jeandron D, Kim M, Wood J, Geffner M, Kaufman F, Parkman R, Salazar C, Goland R, Clynes R, Cook S, Freeby M, Gallagher MP, Gandica R, Greenberg E, Kurland A, Pollak S, Wolk A, Chan M, Koplimae L, Levine E, Smith K, Trast J, DiMeglio L, Blum J, Evans-Molina C, Hufferd R, Jagielo B, Kruse C, Patrick V, Rigby M, Spall M, Swinney K, Terrell J, Christner L, Ford L, Lynch S, Menendez M, Merrill P, Pescovitz M, Rodriguez H, Alleyn C, Baidal D, Fay S, Gaglia J, Resnick B, Szubowicz S, Weir G, Benjamin R, Conboy D, deManbey A, Jackson R, Jalahej H, Orban T, Ricker A, Wolfsdorf J, Zhang HH, Wilson D, Aye T, Baker B, Barahona K, Buckingham B, Esrey K, Esrey T, Fathman G, Snyder R, Aneja B, Chatav M, Espinoza O, Frank E, Liu J, Perry J, Pyle R, Rigby A, Riley K, Soto A, Gitelman S, Adi S, Anderson M, Berhel A, Breen K, Fraser K, Gerard-Gonzalez A, Jossan P, Lustig R, Moassesfar S, Mugg A, Ng D, Prahalod P, Rangel-Lugo M, Sanda S, Tarkoff J, Torok C, Wesch R, Aslan I, Buchanan J, Cordier J, Hamilton C, Hawkins L, Ho T, Jain A, Ko K, Lee T, Phelps S, Rosenthal S, Sahakitrungruang T, Stehl L, Taylor L, Wertz M, Wong J, Philipson L, Briars R, Devine N, Littlejohn E, Grant T, Gottlieb P, Klingensmith G, Steck A, Alkanani A, Bautista K, Bedoy R, Blau A, Burke B, Cory L, Dang M, Fitzgerald-Miller L, Fouts A, Gage V, Garg S, Gesauldo P, Gutin R, Hayes C, Hoffman M, Ketchum K, Logsden-Sackett N, Maahs D, Messer L, Meyers L, Michels A, Peacock S, Rewers M, Rodriguez P, Sepulbeda F, Sippl R, Steck A, Taki I, Tran BK, Tran T, Wadwa RP, Zeitler P, Barker J, Barry S, Birks L, Bomsburger L, Bookert T, Briggs L, Burdick P, Cabrera R, Chase P, Cobry E, Conley A, Cook G, Daniels J, DiDomenico D, Eckert J, Ehler A, Eisenbarth G, Fain P, Fiallo-Scharer R, Frank N, Goettle H, Haarhues M, Harris S, Horton L, Hutton J, Jeffrrey J, Jenison R, Jones K, Kastelic W, King MA, Lehr D, Lungaro J, Mason K, Maurer H, Nguyen L, Proto A, Realsen J, Schmitt K, Schwartz M, Skovgaard S, Smith J, Vanderwel B, Voelmle M, Wagner R, Wallace A, Walravens P, Weiner L, Westerhoff B, Westfall E, Widmer K, Wright H, Schatz D, Abraham A, Atkinson M, Cintron M, Clare-Salzler M, Ferguson J, Haller M, Hosford J, Mancini D, Rohrs H, Silverstein J, Thomas J, Winter W, Cole G, Cook R, Coy R, Hicks E, Lewis N, Marks J, Pugliese A, Blaschke C, Matheson D, Sanders-Branca N, Sosenko J, Arazo L, Arce R, Cisneros M, Sabbag S, Moran A, Gibson C, Fife B, Hering B, Kwong C, Leschyshyn J, Nathan B, Pappenfus B, Street A, Boes MA, Eck SP, Finney L, Fischer TA, Martin A, Muzamhindo CJ, Rhodes M, Smith J, Wagner J, Wood B, Becker D, Delallo K, Diaz A, Elnyczky B, Libman I, Pasek B, Riley K, Trucco M, Copemen B, Gwynn D, Toledo F, Rodriguez H, Bollepalli S, Diamond F, Eyth E, Henson D, Lenz A, Shulman D, Raskin P, Adhikari S, Dickson B, Dunnigan E, Lingvay I, Pruneda L, Ramos-Roman M, Raskin P, Rhee C, Richard J, Siegelman M, Sturges D, Sumpter K, White P, Alford M, Arthur J, Aviles-Santa ML, Cordova E, Davis R, Fernandez S, Fordan S, Hardin T, Jacobs A, Kaloyanova P, Lukacova-Zib I, Mirfakhraee S, Mohan A, Noto H, Smith O, Torres N, Wherrett D, Balmer D, Eisel L, Kovalakovska R, Mehan M, Sultan F, Ahenkorah B, Cevallos J, Razack N, Ricci MJ, Rhode A, Srikandarajah M, Steger R, Russell WE, Black M, Brendle F, Brown A, Moore D, Pittel E, Robertson A, Shannon A, Thomas JW, Herold K, Feldman L, Sherwin R, Tamborlane W, Weinzimer S, Toppari J, Kallio T, Kärkkäinen M, Mäntymäki E, Niininen T, Nurmi B, Rajala P, Romo M, Suomenrinne S, Näntö-Salonen K, Simell O, Simell T, Bosi E, Battaglia M, Bianconi E, Bonfanti R, Grogan P, Laurenzi A, Martinenghi S, Meschi F, Pastore M, Falqui L, Muscato MT, Viscardi M, Castleden H, Farthing N, Loud S, Matthews C, McGhee J, Morgan A, Pollitt J, Elliot-Jones R, Wheaton C, Knip M, Siljander H, Suomalainen H, Colman P, Healy F, Mesfin S, Redl L, Wentworth J, Willis J, Farley M, Harrison L, Perry C, Williams F, Mayo A, Paxton J, Thompson V, Volin L, Fenton C, Carr L, Lemon E, Swank M, Luidens M, Salgam M, Sharma V, Schade D, King C, Carano R, Heiden J, Means N, Holman L, Thomas I, Madrigal D, Muth T, Martin C, Plunkett C, Ramm C, Auchus R, Lane W, Avots E, Buford M, Hale C, Hoyle J, Lane B, Muir A, Shuler S, Raviele N, Ivie E, Jenkins M, Lindsley K, Hansen I, Fadoju D, Felner E, Bode B, Hosey R, Sax J, Jefferies C, Mannering S, Prentis R, She J, Stachura M, Hopkins D, Williams J, Steed L, Asatapova E, Nunez S, Knight S, Dixon P, Ching J, Donner T, Longnecker S, Abel K, Arcara K, Blackman S, Clark L, Cooke D, Plotnick L, Levin P, Bromberger L, Klein K, Sadurska K, Allen C, Michaud D, Snodgrass H, Burghen G, Chatha S, Clark C, Silverberg J, Wittmer C, Gardner J, LeBoeuf C, Bell P, McGlore O, Tennet H, Alba N, Carroll M, Baert L, Beaton H, Cordell E, Haynes A, Reed C, Lichter K, McCarthy P, McCarthy S, Monchamp T, Roach J, Manies S, Gunville F, Marosok L, Nelson T, Ackerman K, Rudolph J, Stewart M, McCormick K, May S, Falls T, Barrett T, Dale K, Makusha L, McTernana C, Penny-Thomas K, Sullivan K, Narendran P, Robbie J, Smith D, Christensen R, Koehler B, Royal C, Arthur T, Houser H, Renaldi J, Watsen S, Wu P, Lyons L, House B, Yu J, Holt H, Nation M, Vickers C, Watling R, Heptulla R, Trast J, Agarwal C, Newell D, Katikaneni R, Gardner C, Del Rio A, Logan A, Collier H, Rishton C, Whalley G, Ali A, Ramtoola S, Quattrin T, Mastrandea L, House A, Ecker M, Huang C, Gougeon C, Ho J, Pacuad D, Dunger D, May J, O’Brien C, Acerini C, Salgin B, Thankamony A, Williams R, Buse J, Fuller G, Duclos M, Tricome J, Brown H, Pittard D, Bowlby D, Blue A, Headley T, Bendre S, Lewis K, Sutphin K, Soloranzo C, Puskaric J, Madison H, Rincon M, Carlucci M, Shridharani R, Rusk B, Tessman E, Huffman D, Abrams H, Biederman B, Jones M, Leathers V, Brickman W, Petrie P, Zimmerman D, Howard J, Miller L, Alemzadeh R, Mihailescu D, Melgozza-Walker R, Abdulla N, Boucher-Berry C, Ize-Ludlow D, Levy R, Swenson Brousell C, Scott R, Heenan H, Lunt H, Kendall D, Willis J, Darlow B, Crimmins N, Edler D, Weis T, Schultz C, Rogers D, Latham D, Mawhorter C, Switzer C, Spencer W, Konstantnopoulus P, Broder S, Klein J, Bachrach B, Gardner M, Eichelberger D, Knight L, Szadek L, Welnick G, Thompson B, Hoffman R, Revell A, Cherko J, Carter K, Gilson E, Haines J, Arthur G, Bowen B, Zipf W, Graves P, Lozano R, Seiple D, Spicer K, Chang A, Fregosi J, Harbinson J, Paulson C, Stalters S, Wright P, Zlock D, Freeth A, Victory J, Maheshwari H, Maheshwari A, Holmstrom T, Bueno J, Arguello R, Ahern J, Noreika L, Watson V, Hourse S, Breyer P, Kissel C, Nicholson Y, Pfeifer M, Almazan S, Bajaj J, Quinn M, Funk K, McCance J, Moreno E, Veintimilla R, Wells A, Cook J, Trunnel S, Transue D, Surhigh J, Bezzaire D, Moltz K, Zacharski E, Henske J, Desai S, Frizelis K, Khan F, Sjoberg R, Allen K, Manning P, Hendry G, Taylor B, Jones S, Couch R, Danchak R, Lieberman D, Strader W, Bencomo M, Bailey T, Bedolla L, Roldan C, Moudiotis C, Vaidya B, Anning C, Bunce S, Estcourt S, Folland E, Gordon E, Harrill C, Ireland J, Piper J, Scaife L, Sutton K, Wilkins S, Costelloe M, Palmer J, Casas L, Miller C, Burgard M, Erickson C, Hallanger-Johnson J, Clark P, Taylor W, Galgani J, Banerjee S, Banda C, McEowen D, Kinman R, Lafferty A, Gillett S, Nolan C, Pathak M, Sondrol L, Hjelle T, Hafner S, Kotrba J, Hendrickson R, Cemeroglu A, Symington T, Daniel M, Appiagyei-Dankah Y, Postellon D, Racine M, Kleis L, Barnes K, Godwin S, McCullough H, Shaheen K, Buck G, Noel L, Warren M, Weber S, Parker S, Gillespie I, Nelson B, Frost C, Amrhein J, Moreland E, Hayes A, Peggram J, Aisenberg J, Riordan M, Zasa J, Cummings E, Scott K, Pinto T, Mokashi A, McAssey K, Helden E, Hammond P, Dinning L, Rahman S, Ray S, Dimicri C, Guppy S, Nielsen H, Vogel C, Ariza C, Morales L, Chang Y, Gabbay R, Ambrocio L, Manley L, Nemery R, Charlton W, Smith P, Kerr L, Steindel-Kopp B, Alamaguer M, Tabisola-Nuesca E, Pendersen A, Larson N, Cooper-Olviver H, Chan D, Fitz-Patrick D, Carreira T, Park Y, Ruhaak R, Liljenquist D. A Type 1 Diabetes Genetic Risk Score Predicts Progression of Islet Autoimmunity and Development of Type 1 Diabetes in Individuals at Risk. Diabetes Care 2018; 41:1887-1894. [PMID: 30002199 PMCID: PMC6105323 DOI: 10.2337/dc18-0087] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/06/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We tested the ability of a type 1 diabetes (T1D) genetic risk score (GRS) to predict progression of islet autoimmunity and T1D in at-risk individuals. RESEARCH DESIGN AND METHODS We studied the 1,244 TrialNet Pathway to Prevention study participants (T1D patients' relatives without diabetes and with one or more positive autoantibodies) who were genotyped with Illumina ImmunoChip (median [range] age at initial autoantibody determination 11.1 years [1.2-51.8], 48% male, 80.5% non-Hispanic white, median follow-up 5.4 years). Of 291 participants with a single positive autoantibody at screening, 157 converted to multiple autoantibody positivity and 55 developed diabetes. Of 953 participants with multiple positive autoantibodies at screening, 419 developed diabetes. We calculated the T1D GRS from 30 T1D-associated single nucleotide polymorphisms. We used multivariable Cox regression models, time-dependent receiver operating characteristic curves, and area under the curve (AUC) measures to evaluate prognostic utility of T1D GRS, age, sex, Diabetes Prevention Trial-Type 1 (DPT-1) Risk Score, positive autoantibody number or type, HLA DR3/DR4-DQ8 status, and race/ethnicity. We used recursive partitioning analyses to identify cut points in continuous variables. RESULTS Higher T1D GRS significantly increased the rate of progression to T1D adjusting for DPT-1 Risk Score, age, number of positive autoantibodies, sex, and ethnicity (hazard ratio [HR] 1.29 for a 0.05 increase, 95% CI 1.06-1.6; P = 0.011). Progression to T1D was best predicted by a combined model with GRS, number of positive autoantibodies, DPT-1 Risk Score, and age (7-year time-integrated AUC = 0.79, 5-year AUC = 0.73). Higher GRS was significantly associated with increased progression rate from single to multiple positive autoantibodies after adjusting for age, autoantibody type, ethnicity, and sex (HR 2.27 for GRS >0.295, 95% CI 1.47-3.51; P = 0.0002). CONCLUSIONS The T1D GRS independently predicts progression to T1D and improves prediction along T1D stages in autoantibody-positive relatives.
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Barczi G, Becker D, Gajdacsi J, Fejer CS, Heltai K, Zima E, Straub E, Skoda R, Nang KD, Dinya E, Merkely B. P801Prognosis of acute myocardial infarction complicated by cardiogenic shock in the modern era of interventions. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Lux A, Bacsardi F, Edes IF, Becker D, Merkely B, Ruzsa Z. P4438Age-dependent disparities of myocardial infarction aetiology and mortality: how are the young and the elderly affected? Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ruzsa Z, Toth J, Nyerges A, Molnar L, Edes IF, Becker D, Barczi GY, Merkely B. P6370BUDA SNUFF-BOX study: Ultrasound guided distal transradial access for coronary angiography and angioplasty using 5F guiding or 6F sheathless guiding system. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Vago H, Dohy Z, Czimbalmos C, Csecs I, Szabo L, Suhai FI, Toth A, Barczi G, Becker D, Merkely B. 3336How could cardiac magnetic resonance imaging help the differential diagnosis in MINOCA patients? Single center data of a 10-year period. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.3336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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85
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Becker D, Barczi GY, Skoda R, Gajdacsi J, Vago H, Ruzsa Z, Edes I, Doan Nang K, Bagyura ZS, Lakatos CS, Csecs I, Czimbalmos CS, Olah A, Dinya E, Merkely B. P5572Early ventricular fibrillation may worsen the short and long term outcomes of not only STEMI but also of NSTEMI. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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86
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Butterworth P, Becker D, Degenhardt L, Hall WD, Patton GC. Amphetamine use in the fourth decade of life: Social profiles from a population-based Australian cohort. Drug Alcohol Rev 2018; 37:743-751. [PMID: 29998467 DOI: 10.1111/dar.12840] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 05/21/2018] [Accepted: 06/12/2018] [Indexed: 11/30/2022]
Abstract
INTRODUCTION AND AIMS To estimate the prevalence and frequency of amphetamine use in a cohort of Australians aged in their mid-30s. DESIGN AND METHODS Cross-sectional analysis of wave 10 data collected in 2014 from the Victorian Adolescent Health Cohort Study: a sample of 1435 persons originally selected in a stratified, random community survey of secondary school students from the state of Victoria that commenced in 1992. Weighted multinomial regression models were used to evaluate the social, health and other substance-use correlates of lifetime and current (12-month) amphetamine use and current frequency of use. RESULTS Lifetime amphetamine use was reported by 23.2% (95% confidence interval 21.0-25.5%) of respondents, and 6.5% (95% confidence interval 5.2-7.8%) reported current (12-month) use. A quarter (26%) of those currently using amphetamines, 1.7% (95% confidence interval 1.0-2.4%) of all respondents, reported frequent (at least weekly) use. Men reported greater amphetamine use than women. Current amphetamine use was associated with disrupted family circumstances, socioeconomic adversity, polydrug use and high levels of drug use within the social and familial environment. Frequent use was associated with greater likelihood of multiple adversity, unemployment, anxiety disorders and use of mental health services. DISCUSSION AND CONCLUSIONS The current results show that lifetime, current and frequent amphetamine use was common amongst adults in the fourth decade of life in this cohort, and associated with the experience of social disadvantage, poor mental health and living in a social context in which drug use is the norm.
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Minor KM, Letko A, Becker D, Drögemüller M, Mandigers PJJ, Bellekom SR, Leegwater PAJ, Stassen QEM, Putschbach K, Fischer A, Flegel T, Matiasek K, Ekenstedt KJ, Furrow E, Patterson EE, Platt SR, Kelly PA, Cassidy JP, Shelton GD, Lucot K, Bannasch DL, Martineau H, Muir CF, Priestnall SL, Henke D, Oevermann A, Jagannathan V, Mickelson JR, Drögemüller C. Canine NAPEPLD-associated models of human myelin disorders. Sci Rep 2018; 8:5818. [PMID: 29643404 PMCID: PMC5895582 DOI: 10.1038/s41598-018-23938-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 03/20/2018] [Indexed: 01/05/2023] Open
Abstract
Canine leukoencephalomyelopathy (LEMP) is a juvenile-onset neurodegenerative disorder of the CNS white matter currently described in Rottweiler and Leonberger dogs. Genome-wide association study (GWAS) allowed us to map LEMP in a Leonberger cohort to dog chromosome 18. Subsequent whole genome re-sequencing of a Leonberger case enabled the identification of a single private homozygous non-synonymous missense variant located in the highly conserved metallo-beta-lactamase domain of the N-acyl phosphatidylethanolamine phospholipase D (NAPEPLD) gene, encoding an enzyme of the endocannabinoid system. We then sequenced this gene in LEMP-affected Rottweilers and identified a different frameshift variant, which is predicted to replace the C-terminal metallo-beta-lactamase domain of the wild type protein. Haplotype analysis of SNP array genotypes revealed that the frameshift variant was present in diverse haplotypes in Rottweilers, and also in Great Danes, indicating an old origin of this second NAPEPLD variant. The identification of different NAPEPLD variants in dog breeds affected by leukoencephalopathies with heterogeneous pathological features, implicates the NAPEPLD enzyme as important in myelin homeostasis, and suggests a novel candidate gene for myelination disorders in people.
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Spry E, Giallo R, Moreno-Betancur M, Macdonald J, Becker D, Borschmann R, Brown S, Patton GC, Olsson CA. Preconception prediction of expectant fathers' mental health: 20-year cohort study from adolescence. BJPsych Open 2018; 4:58-60. [PMID: 29971146 PMCID: PMC6020279 DOI: 10.1192/bjo.2017.10] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 11/07/2017] [Accepted: 12/07/2017] [Indexed: 11/23/2022] Open
Abstract
UNLABELLED We examined prospective associations between men's common mental disorders in the decades prior to offspring conception and subsequent paternal antenatal mental health problems. Data came from a prospective intergenerational cohort study which assessed common mental disorder nine times from age 14 to 29 years, and in the third trimester of subsequent pregnancies to age 35 years (N = 295 pregnancies to 214 men). Men with histories of adolescent and young adult common mental disorders were over four times more likely to experience antenatal mental health problems. Future research identifying modifiable perinatal factors that counteract preconception risk would provide further targets for intervention. DECLARATION OF INTEREST None.
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Czimbalmos C, Csecs I, Szabo L, Toth A, Suhai FI, Zima E, Heltai K, Becker D, Geller L, Merkely B, Vago H. P882Structural heart disease in athletes and nonathletes after aborted sudden cardiac death - the added value of CMR. Europace 2018. [DOI: 10.1093/europace/euy015.484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Günter E, Rupprecht H, Platsch G, Becker D, Neumayer HH, Wolf F, Bair HJ. Tc-99m DTPA Perfusion Scintigraphy and Color Coded Duplex Sonography in the Evaluation of Minimal Renal Allograft Perfusion. Nuklearmedizin 2018. [DOI: 10.1055/s-0038-1629789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Summary
Aim: The clinical impact of perfusion scintigraphy versus color coded Duplex sonography was evaluated, with respect to their potential in assessing minimal allograft perfusion in vitally threatened kidney transplants, i.e. oligoanuric allografts suspected to have either severe rejection or thrombosis of the renal vein or artery. Methods: From July 1990 to August 1994 the grafts of 15 out of a total of 315 patients were vitally threatened. Technetium-99m DTPA scintigraphy and color coded Duplex sonography were performed in all patients. For scintigraphic evaluation of transplant perfusion analog scans up to 60 min postinjection, and time-activity curves over the first 60 sec after injection of 370-440 MBq Tc-99m diethylenetriaminepentaacetate acid (DTPA) were used and classified by a perfusion score, the time between renal and iliac artery peaks (TDiff) and the washout of the renogram curve. Additionally, evaluation of excretion function and assessment of vascular or urinary leaks were performed. By color coded Duplex sonography the perfusion in all sections of the graft as well as the vascular anastomoses were examined and the maximal blood flow velocity (Vmax) and the resistive index (Rl) in the renal artery were determined by means of the pulsed Doppler device. Pathologic-anatomical diagnosis was achieved by either biopsy or post-explant histology in all grafts. Results: Scintigraphy and color coded Duplex sonography could reliably differentiate minimal (8/15) and not perfused (7/15) renal allografts. The results were confirmed either by angiography in digital subtraction technique (DSA) or the clinical follow up. Conclusion: In summary, perfusion scintigraphy and color coded Duplex sonography are comparable modalities to assess kidney graft perfusion. In clinical practice scintigraphy and color-coded Doppler sonography can replace digital subtraction angiography in the evaluation of minimal allograft perfusion.
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Becker D, Kramer D, Müllges W, Boelmans K. P 164 Parietal stroke mimicking the Heidenhain variant of Creutzfeldt-Jakob Disease. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2017.06.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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93
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Ruzsa Z, Vamosi Z, Barczi G, Toth K, Kovacs N, Zima E, Becker D, Merkely B. P1622Catheter directed thrombolysis and mechanical thrombectomy in submassive pulmonary embolism. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Pap Z, Sax B, Assabiny A, Racz K, Nemeth E, Kiraly A, Becker D, Monostory K, Merkely B. P2082Investigation of tacrolimus metabolism through CYP3A enzymes after cardiac transplantation. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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95
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Vago H, Csecs I, Czimbalmos C, Toth A, Kiss O, Komka Z, Barczi G, Kovats T, Suhai F, Sydo N, Simor T, Geller L, Becker D, Merkely B. P4444Athlete's heart or structural heart disease? - First Hungarian Structural Heart Disease and Aborted Sudden Cardiac Death Magnetic Resonance Registry in Athletes. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Borschmann R, Becker D, Coffey C, Spry E, Moreno-Betancur M, Moran P, Patton GC. 20-year outcomes in adolescents who self-harm: a population-based cohort study. THE LANCET CHILD & ADOLESCENT HEALTH 2017; 1:195-202. [PMID: 30169168 DOI: 10.1016/s2352-4642(17)30007-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 06/01/2017] [Accepted: 06/02/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND Little is known about the long-term psychosocial outcomes associated with self-harm during adolescence. We aimed to determine whether adolescents who self-harm are at increased risk of adverse psychosocial outcomes in the fourth decade of life, using data from the Victorian Adolescent Health Cohort Study. METHODS We recruited a stratified, random sample of 1943 adolescents from 44 schools across the state of Victoria, Australia. The study started on Aug 20, 1992, and finished on March 4, 2014. We obtained data relating to self-harm from questionnaires and telephone interviews at eight waves of follow-up, commencing at mean age 15·9 years (SD 0·5; waves 3-6 during adolescence, 6 months apart) and ending at mean age 35·1 years (SD 0·6; wave 10). The outcome measures at age 35 years were social disadvantage (divorced or separated, not in a relationship, not earning money, receipt of government welfare, and experiencing financial hardship), common mental disorders such as depression and anxiety, and substance use. We assessed the associations between self-harm during adolescence and the outcome measures at 35 years (wave 10) using logistic regression models, with progressive adjustment: (1) adjustment for sex and age; (2) further adjustment for background social factors; (3) additional adjustment for common mental disorder in adolescence; and (4) final additional adjustment for adolescent antisocial behaviour and substance use measures. FINDINGS From the total cohort of 1943 participants, 1802 participants were assessed for self-harm during adolescence (between waves 3 and 6). Of these, 1671 were included in the analysis sample. 135 (8%) reported having self-harmed at least once during adolescence. At 35 years (wave 10), mental health problems, daily tobacco smoking, illicit drug use, and dependence were all more common in participants who had reported self-harm during the adolescent phase of the study (n=135) than in those who had not (n=1536): for social disadvantage odds ratios [ORs] ranged from 1·34 (95% CI 1·25-1·43) for unemployment to 1·88 (1·78-1·98) for financial hardship; for mental health they ranged from 1·61 (1·51-1·72) for depression to 1·92 (1·79-2·04) for anxiety; for illicit drug use they ranged from 1·36 (1·25-1·49) for any amphetamine use to 3·39 (3·12-3·67) for weekly cannabis use; for dependence syndrome they were 1·72 (1·57-1·87) for nicotine dependence, 2·67 (2·38-2·99) for cannabis dependence, and 1·74 (1·62-1·86) for any dependence; and the OR for daily smoking was 2·00 (1·89-2·12). Adjustment for socio-demographic factors made little difference to these associations but a further adjustment for adolescent common mental disorders substantially attenuated most associations, with the exception of daily tobacco smoking (adjusted OR 1·74, 95% CI 1·08-2·81), any illicit drug use (1·72, 1·07-2·79) and weekly cannabis use (3·18, 1·58-6·42). Further adjustment for adolescent risky substance use and antisocial behaviour attenuated the remaining associations, with the exception of weekly cannabis use at age 35 years, which remained independently associated with self-harm during adolescence (2·27, 1·09-4·69). INTERPRETATION Adolescents who self-harm are more likely to experience a wide range of psychosocial problems later in life. With the notable exception of heavy cannabis use, these problems appear to be largely accounted for by concurrent adolescent mental health disorders and substance use. Complex interventions addressing the domains of mental state, behaviour, and substance use are likely to be most successful in helping this susceptible group adjust to adult life. FUNDING National Health and Medical Research Council, the Royal Children's Hospital Foundation, and the Murdoch Childrens Research Institute.
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Bindocci E, Savtchouk I, Liaudet N, Becker D, Carriero G, Volterra A. Three-dimensional Ca2+imaging advances understanding of astrocyte biology. Science 2017; 356:356/6339/eaai8185. [DOI: 10.1126/science.aai8185] [Citation(s) in RCA: 193] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 04/12/2017] [Indexed: 11/02/2022]
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98
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Goldfarb SS, Locher JL, Preskitt J, Becker D, Davies SL, Sen B. Associations between participation in family activities and adolescent school problems. Child Care Health Dev 2017; 43:361-368. [PMID: 28101953 DOI: 10.1111/cch.12434] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 11/13/2016] [Accepted: 11/17/2016] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Adolescent risk outcomes related to school issues are widespread, with about 20% parents reporting poor school engagement amongst their youth. Previous literature suggests that adolescents who report strong bonds with their parents are often identified as being less likely to engage in risky behaviours, such as substance use. The current study sought to examine the association between the frequencies of selected family activities and school problems amongst adolescents after adjustments for family connectedness and other characteristics. METHODS Data were drawn from the National Longitudinal Survey of Youth, 1997. Of the 8984 youth interviewed, 3855 also had a sibling interviewed who met the selection criteria. School problem outcomes measured were suspension occurrence, poor grades and highest grade completed low for age. Independent variables of interest were self-reported frequency of family dinner, fun and religious activities in a typical week. Multivariable logistic models were estimated for each outcome, and multivariable linear probability models were estimated adjusting for family fixed effects. RESULTS Adjusting for family connectedness, there were significant associations between certain family activities and adolescent school problem measures. However, these results did not remain significant in models with family fixed effects, suggesting that associations could be driven by family-level confounders. DISCUSSION This study did not find strong evidence of a protective relationship between family activities and school problems. Therefore, it suggested that programme and policymakers be cautious in overstating the importance of family activities in preventing adolescent risk outcomes until true causal relationships can be determined.
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Hudson C, Spry E, Borschmann R, Becker D, Moran P, Olsson C, Coffey C, Romaniuk H, Bayer JK, Patton GC. Preconception personality disorder and antenatal maternal mental health: A population-based cohort study. J Affect Disord 2017; 209:169-176. [PMID: 27923193 DOI: 10.1016/j.jad.2016.11.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 09/26/2016] [Accepted: 11/15/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Prior anxiety and depression have been identified as risk factors for maternal perinatal mental health problems, but other preconception mental disorders have not been prospectively examined. This study investigated prospectively whether women with preconception personality disorder have increased rates of antenatal anxiety and/or depressive symptoms. METHODS 244 women in a population cohort were assessed for personality disorder at age 24 using the Standardised Assessment of Personality. Five to twelve years later, women were screened with the Clinical Interview Schedule, Revised Anxiety Subscale and the Edinburgh Postnatal Depression Scale during the third trimester of 328 pregnancies. RESULTS Preconception personality disorder was associated with a three-fold increase in the odds of antenatal anxiety symptoms, which remained with adjustment for preconception background factors and preconception common mental disorder (adjusted OR 2.84, 95% CI 1.31-6.15). Preconception personality disorder was associated with doubled odds of antenatal depressive symptoms, however this was attenuated with adjustment for preconception background factors and preconception common mental disorder (adjusted OR 1.98, 95% CI 0.81-4.81). LIMITATIONS Our findings are restricted to pregnant women aged 29-35 years. Anxiety and depression may have been under-identified because they were assessed at a single antenatal time point. Residual confounding of the associations by preconception common mental disorder at other time points may have occurred. CONCLUSIONS Women with personality disorder are at heightened risk of anxiety symptoms in pregnancy, over and above risks associated with prior common mental disorder. This raises a possibility that pregnancy brings particular emotional challenges for women with personality disorders.
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Jaślan D, Mueller TD, Becker D, Schultz J, Cuin TA, Marten I, Dreyer I, Schönknecht G, Hedrich R. Gating of the two-pore cation channel AtTPC1 in the plant vacuole is based on a single voltage-sensing domain. PLANT BIOLOGY (STUTTGART, GERMANY) 2016; 18:750-60. [PMID: 27270880 DOI: 10.1111/plb.12478] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 06/06/2016] [Indexed: 05/21/2023]
Abstract
The two-pore cation channel TPC1 operates as a dimeric channel in animal and plant endomembranes. Each subunit consists of two homologous Shaker-like halves, with 12 transmembrane domains in total (S1-S6, S7-S12). In plants, TPC1 channels reside in the vacuolar membrane, and upon voltage stimulation, give rise to the well-known slow-activating SV currents. Here, we combined bioinformatics, structure modelling, site-directed mutagenesis, and in planta patch clamp studies to elucidate the molecular mechanisms of voltage-dependent channel gating in TPC1 in its native plant background. Structure-function analysis of the Arabidopsis TPC1 channel in planta confirmed that helix S10 operates as the major voltage-sensing site, with Glu450 and Glu478 identified as possible ion-pair partners for voltage-sensing Arg537. The contribution of helix S4 to voltage sensing was found to be negligible. Several conserved negative residues on the luminal site contribute to calcium binding, stabilizing the closed channel. During evolution of plant TPC1s from two separate Shaker-like domains, the voltage-sensing function in the N-terminal Shaker-unit (S1-S4) vanished.
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