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Zhou JR, Ridsdale R, MacNeil L, Lilley M, Hoang S, Christian S, Blumenschein P, Wolan V, Bruce A, Singh G, Wright N, Parboosingh JS, Lamont RE, Sosova I. The Alberta Newborn Screening Approach for Sickle Cell Disease: The Advantages of Molecular Testing. Int J Neonatal Screen 2021; 7:ijns7040078. [PMID: 34842602 PMCID: PMC8628932 DOI: 10.3390/ijns7040078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 02/07/2023] Open
Abstract
Sickle cell disease (SCD), a group of inherited red blood cell (RBC) disorders caused by pathogenic variants in the beta-globin gene (HBB), can cause lifelong disabilities and/or early mortality. If diagnosed early, preventative measures significantly reduce adverse outcomes related to SCD. In Alberta, Canada, SCD was added to the newborn screening (NBS) panel in April 2019. The primary conditions screened for are sickle cell anemia (HbS/S), HbS/C disease, and HbS/β thalassemia. In this study, we retrospectively analyzed the first 19 months of SCD screening performance, as well as described our approach for screening of infants that have received a red blood cell transfusion prior to collection of NBS specimen. Hemoglobins eluted from dried blood spots were analyzed using the Bio-Rad™ VARIANT nbs analyzer (Bio-Rad Laboratories, Inc., Hercules, CA, USA). Targeted sequencing of HBB was performed concurrently in samples from all transfused infants. During the period of this study, 43 of 80,314 screened infants received a positive NBS result for SCD, and of these, 34 were confirmed by diagnostic testing, suggesting a local SCD incidence of 1:2400 births. There were 608 infants with sickle cell trait, resulting in a carrier frequency of 1:130. Over 98% of non-transfused infants received their NBS results within 10 days of age. Most of the 188 transfused infants and 2 infants who received intrauterine transfusions received their final SCD screen results within 21 ± 10 d of birth. Our SCD screening algorithm enables detection of affected newborns on the initial NBS specimen, independent of the reported blood transfusion status.
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Affiliation(s)
- Janet R. Zhou
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2B7, Canada
| | - Ross Ridsdale
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Lauren MacNeil
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Margaret Lilley
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Stephanie Hoang
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Susan Christian
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Pamela Blumenschein
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Medical Genetics, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Vanessa Wolan
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2B7, Canada
| | - Aisha Bruce
- Department of Pediatrics, University of Alberta, Edmonton, AB T6G 1C9, Canada;
| | - Gurpreet Singh
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB T3B 6A8, Canada; (G.S.); (N.W.)
| | - Nicola Wright
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB T3B 6A8, Canada; (G.S.); (N.W.)
| | - Jillian S. Parboosingh
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB T3B 6A8, Canada; (J.S.P.); (R.E.L.)
- Alberta Children’s Hospital Research Institute for Child and Maternal Health, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Ryan E. Lamont
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB T3B 6A8, Canada; (J.S.P.); (R.E.L.)
- Alberta Children’s Hospital Research Institute for Child and Maternal Health, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Iveta Sosova
- Newborn Metabolic Screening and Biochemical Genetics Laboratory, University of Alberta Hospital, Alberta Precision Laboratories, Edmonton, AB T6G 2B7, Canada; (J.R.Z.); (R.R.); (L.M.); (M.L.); (S.H.); (S.C.); (P.B.); (V.W.)
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2B7, Canada
- Correspondence:
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Kupis L, Goodman ZT, Kornfeld S, Hoang S, Romero C, Dirks B, Dehoney J, Chang C, Spreng RN, Nomi JS, Uddin LQ. Brain Dynamics Underlying Cognitive Flexibility Across the Lifespan. Cereb Cortex 2021; 31:5263-5274. [PMID: 34145442 PMCID: PMC8491685 DOI: 10.1093/cercor/bhab156] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 05/13/2021] [Accepted: 05/16/2021] [Indexed: 11/14/2022] Open
Abstract
The neural mechanisms contributing to flexible cognition and behavior and how they change with development and aging are incompletely understood. The current study explored intrinsic brain dynamics across the lifespan using resting-state fMRI data (n = 601, 6-85 years) and examined the interactions between age and brain dynamics among three neurocognitive networks (midcingulo-insular network, M-CIN; medial frontoparietal network, M-FPN; and lateral frontoparietal network, L-FPN) in relation to behavioral measures of cognitive flexibility. Hierarchical multiple regression analysis revealed brain dynamics among a brain state characterized by co-activation of the L-FPN and M-FPN, and brain state transitions, moderated the relationship between quadratic effects of age and cognitive flexibility as measured by scores on the Delis-Kaplan Executive Function System (D-KEFS) test. Furthermore, simple slope analyses of significant interactions revealed children and older adults were more likely to exhibit brain dynamic patterns associated with poorer cognitive flexibility compared with younger adults. Our findings link changes in cognitive flexibility observed with age with the underlying brain dynamics supporting these changes. Preventative and intervention measures should prioritize targeting these networks with cognitive flexibility training to promote optimal outcomes across the lifespan.
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Affiliation(s)
- Lauren Kupis
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Zachary T Goodman
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Salome Kornfeld
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Stephanie Hoang
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Celia Romero
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Bryce Dirks
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Joseph Dehoney
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Catie Chang
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37235, USA
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
- Vanderbilt University Institute of Imaging Science, Vanderbilt University, Nashville, TN 37232, USA
| | - R Nathan Spreng
- Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, Montreal, QC H3A 2B4, Canada
| | - Jason S Nomi
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
| | - Lucina Q Uddin
- Department of Psychology, University of Miami, Coral Gables, FL 33124, USA
- Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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Folio M, Bouscaren N, De Barbeyrac B, Boukerrou MC, Ricaud C, Hoang S, Levin C, Poubeau P, Gerardin P, Bertolotti A. Minors are the most affected by Chlamydia trachomatis in Reunion Island: A cross-sectional study, 2017-2018. Ann Dermatol Venereol 2021; 148:238-240. [PMID: 34176640 DOI: 10.1016/j.annder.2021.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/14/2020] [Accepted: 02/12/2021] [Indexed: 12/01/2022]
Abstract
OBJECTIVES To determine the prevalence of Chlamydia trachomatis (CT) in the population screened at sexually transmitted infection (STI) clinics on Reunion Island and to identify risk factors for CT infection. PATIENTS AND METHODS This cross-sectional multicenter study was conducted in 2017-2018. Data were obtained from self-administered questionnaires and multiplex PCR tests. RESULTS The overall prevalence of CT in the screened population was 8.6% (95% CI 7.7-9.5%). The prevalence of urogenital CT was highest in women under 18 (13.2%, 95% CI 9.3-18.1%) and in men who have sex with men under 18 (13.3%, 95% CI 1.6-48.2%). Risk factors associated with CT infection in multivariate analysis were: female gender, being born in Reunion Island, having had a large number of sexual partners in the past year, and being co-infected with another STI. CONCLUSIONS The prevalence of CT in the screened population is higher in Reunion Island than in mainland France, especially in minors. Prevention campaigns targeting minors should be strengthened.
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Affiliation(s)
- M Folio
- Service des urgences, CHU Réunion, 97400 Saint-Denis, Reunion
| | - N Bouscaren
- Inserm CIC1410, CHU Réunion, 97400 Saint-Pierre, Reunion
| | - B De Barbeyrac
- USC infections humaines à mycoplasmes et Chlamydiae, Centre national de référence des infections à chlamydiae, university Bordeaux, 33076 Bordeaux cedex, France; Inra, USC infections humaines à mycoplasmes et Chlamydiae, 33076 Bordeaux cedex, France
| | - M C Boukerrou
- Service de gynécologie obstétrique, CHU Réunion, 97400 Saint-Pierre, Reunion
| | - C Ricaud
- Service des maladies infectieuses, CHU Réunion, 97400 Saint-Denis, Reunion
| | - S Hoang
- Service des maladies infectieuses, CHU Réunion, 97400 Saint-Denis, Reunion
| | - C Levin
- Service des maladies infectieuses - dermatologie, CHU Réunion, 97400 Saint-Pierre, Reunion
| | - P Poubeau
- Service des maladies infectieuses - dermatologie, CHU Réunion, 97400 Saint-Pierre, Reunion
| | - P Gerardin
- Inserm CIC1410, CHU Réunion, 97400 Saint-Pierre, Reunion
| | - A Bertolotti
- Inserm CIC1410, CHU Réunion, 97400 Saint-Pierre, Reunion; Service des maladies infectieuses - dermatologie, CHU Réunion, 97400 Saint-Pierre, Reunion.
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Hoang S, Dao N, Myers AL. Electrophilic reactivity of the Busulfan metabolite, EdAG, towards cellular thiols and inhibition of human thioredoxin-1. Biochem Biophys Res Commun 2020; 533:325-331. [PMID: 32958252 DOI: 10.1016/j.bbrc.2020.09.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 09/11/2020] [Indexed: 11/26/2022]
Abstract
Busulfan is an alkylating agent used in chemotherapy conditioning regimens prior to hematopoietic stem cell transplantation (HSCT). However, its administration is associated with a great risk of adverse toxicities, which have been historically attributed to busulfan's mechanism of non-specific DNA alkylation. A phase II generated metabolite of busulfan, EdAG (γ-glutamyldehydroalanylglycine), is a dehydroalanine analog of glutathione (GSH) with an electrophilic moiety, suggesting it may bind to proteins and disrupt biological function. However, EdAG's reactions with common cellular thiols such as glutathione (GSH) and l-cysteine are understudied, along with possible inhibition of glutathionylation-dependent enzymes (with active site cysteine residues). We established a physiologically-relevant in vitro model to readily measure thiol loss over time. Using this model, we compared the apparent rates of thiol depletion in the presence of EdAG or arecoline, a toxic constituent of the areca (betel) nut and known GSH depletor. Simulated kinetic modeling revealed that the mean (±SE) alpha (α) second order rate constants describing GSH and l-cysteine depletion in the presence of EdAG were 0.00522 (0.00845) μM-1∙min-1 and 0.0207 (0.00721) μM-1∙min-1, respectively; in the presence of arecoline, the apparent rates of depletion were 0.0619 (0.009) μM-1∙min-1 and 0.2834 (0.0637) μM-1∙min-1 for GSH and l-cysteine, respectively. Under these experimental conditions, we conclude that EdAG was a weaker electrophile than arecoline. Arecoline and EdAG both depleted apparent l-cysteine concentrations to a much greater extent than GSH, approximately 4.58-fold and 3.97-fold change greater, respectively. EdAG modestly inhibited (∼20%) the human thioredoxin-1 (hTrx-1) catalyzed reduction of insulin with a mean IC50 of 93 μM [95% CI: 78.6-110 μM). In summary, EdAG's ability to spontaneously react with endogenous thiols and inhibit hTrx-1 are potentially biochemically relevant in humans. These findings continue to support the growing concept that EdAG, an underrecognized phase II metabolite of busulfan, plays a role in untoward cellular toxicities during busulfan pharmacotherapy.
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Affiliation(s)
| | - Nhu Dao
- The University of Texas Health Science Center at Houston, School of Dentistry, Houston, TX, USA
| | - Alan L Myers
- The University of Texas Health Science Center at Houston, School of Dentistry, Houston, TX, USA.
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Lilley M, Hoang S, Blumenschein P, Peturson AM, Sosova I, Macneil L, Ridsdale R, Christian S. Sickle cell trait newborn screen results: disclosure and management. J Community Genet 2020; 12:137-142. [PMID: 33106985 DOI: 10.1007/s12687-020-00489-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/19/2020] [Indexed: 11/28/2022] Open
Abstract
This study aims to evaluate the notification process of sickle cell trait (SCT) identified by newborn screening in Alberta. On April 1, 2019, Alberta began newborn screening for sickle cell disease (SCD) and elected to report sickle cell trait (SCT). For 1 year, healthcare providers (HCPs) were sent a questionnaire which addressed the perceived importance of disclosing the SCT results, whether HCPs felt competent in disclosing the result, knowledge of available resources, and comfort with coordinating and interpreting testing for the newborn's parents. As a control, we collected data from HCPs receiving positive cystic fibrosis (CF) newborn screen results. A total of 107 out of 203 SCT questionnaires were returned and 41 of 66 CF questionnaires were returned. Respondents felt it was important that the results be shared with families (98% and 100%, respectively). Most respondents felt competent (SCT: 95%; CF: 85%), and willing to disclose the result to the family (SCT: 92%; CF: 88%). Fewer respondents were comfortable interpreting the results (SCT: 70%; CF: 51%)), and willing to arrange parental testing (SCT: 61%; CF: 59%). Family practitioners were significantly more willing to arrange SCT parental testing (88%) compared to pediatricians (40%) (OR = 5.3; CI 1.9, 15.4; p < 0.001). HCP comments revealed two themes: referral to another HCP for follow-up and identification of the primary HCP. Results support this disclosure process, and HCPs felt comfortable following up with SCT newborn screen results. The study identified challenges such as pediatricians being less comfortable ordering parental testing and the ordering HCP not always being the primary care provider.
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Affiliation(s)
- Margaret Lilley
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada.
| | - Stephanie Hoang
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
| | - Pamela Blumenschein
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
| | | | - Iveta Sosova
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
| | - Lauren Macneil
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
| | - Ross Ridsdale
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
| | - Susan Christian
- Newborn Screening Laboratory, Alberta Precision Laboratories, 4B2.04 WMC, University of Alberta Hospital, 8440 112 St., Edmonton, Alberta, T6G 2H7, Canada
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Kupis L, Romero C, Dirks B, Hoang S, Parladé MV, Beaumont AL, Cardona SM, Alessandri M, Chang C, Nomi JS, Uddin LQ. Evoked and intrinsic brain network dynamics in children with autism spectrum disorder. Neuroimage Clin 2020; 28:102396. [PMID: 32891039 PMCID: PMC7479441 DOI: 10.1016/j.nicl.2020.102396] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/26/2020] [Accepted: 08/19/2020] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Brain dynamics underlie flexible cognition and behavior, yet little is known regarding this relationship in autism spectrum disorder (ASD). We examined time-varying changes in functional co-activation patterns (CAPs) across rest and task-evoked brain states to characterize differences between children with ASD and typically developing (TD) children and identify relationships with severity of social behaviors and restricted and repetitive behaviors. METHOD 17 children with ASD and 27 TD children ages 7-12 completed a resting-state fMRI scan and four runs of a non-cued attention switching task. Metrics indexing brain dynamics were generated from dynamic CAPs computed across three major large-scale brain networks: midcingulo-insular (M-CIN), medial frontoparietal (M-FPN), and lateral frontoparietal (L-FPN). RESULTS Five time-varying CAPs representing dynamic co-activations among network nodes were identified across rest and task fMRI datasets. Significant Diagnosis × Condition interactions were observed for the dwell time of CAP 3, representing co-activation between nodes of the M-CIN and L-FPN, and the frequency of CAP 1, representing co-activation between nodes of the L-FPN. A significant brain-behavior association between dwell time of CAP 5, representing co-activation between nodes of the M-FPN, and social abilities was also observed across both groups of children. CONCLUSION Analysis of brain co-activation patterns reveals altered dynamics among three core networks in children with ASD, particularly evident during later stages of an attention task. Dimensional analyses demonstrating relationships between M-FPN dwell time and social abilities suggest that metrics of brain dynamics may index individual differences in social cognition and behavior.
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Affiliation(s)
- Lauren Kupis
- Department of Psychology, University of Miami, Coral Gables, FL, USA.
| | - Celia Romero
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Bryce Dirks
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Stephanie Hoang
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Meaghan V Parladé
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Amy L Beaumont
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Sandra M Cardona
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | | | - Catie Chang
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN, USA; Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA; Vanderbilt University Institute of Imaging Science, Vanderbilt University, Nashville, TN, USA
| | - Jason S Nomi
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Lucina Q Uddin
- Department of Psychology, University of Miami, Coral Gables, FL, USA; Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL, USA.
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Hoang S, Georget A, Asselineau J, Venier AG, Leroyer C, Rogues AM, Thiébaut R. Risk factors for colonization and infection by Pseudomonas aeruginosa in patients hospitalized in intensive care units in France. PLoS One 2018. [PMID: 29522559 PMCID: PMC5844558 DOI: 10.1371/journal.pone.0193300] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Pseudomonas aeruginosa (P.aeruginosa) remains a prominent nosocomial pathogen responsible for high morbi-mortality in intensive care units (ICUs). P.aeruginosa transmission is known to be partly endogenous and exogenous. Main factors have been highlighted but the precise role of environment in regard to antibiotics use remained unclear.
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Affiliation(s)
- S. Hoang
- Inserm, Bordeaux Population Health Research Center, UMR 1219, Inria SISTM, Univ. Bordeaux, ISPED, Bordeaux, France
- Centre Hospitalier Universitaire Sud Réunion, Île de la Réunion, France
- Centre Hospitalier Universitaire de Bordeaux, Pole de santé publique, Service d’information médicale, Unité de Soutien Méthodologique à la Recherche Clinique et Epidémiologique, Bordeaux, France
| | - A. Georget
- Centre Hospitalier Universitaire de Bordeaux, Pole de santé publique, Service d’information médicale, Unité de Soutien Méthodologique à la Recherche Clinique et Epidémiologique, Bordeaux, France
| | - J. Asselineau
- Centre Hospitalier Universitaire de Bordeaux, Pole de santé publique, Service d’information médicale, Unité de Soutien Méthodologique à la Recherche Clinique et Epidémiologique, Bordeaux, France
| | - A-G. Venier
- Inserm, Bordeaux Population Health Research Center, UMR 1219, Inria SISTM, Univ. Bordeaux, ISPED, Bordeaux, France
- Service d’Hygiène Hospitalière Groupe Hospitalier Pellegrin, Bordeaux, France
- Centre de coordination des Comités de Lutte contre les Infections Nosocomiales Sud-Ouest, CHU Pellegrin, Bordeaux, France
| | - C. Leroyer
- Inserm, Bordeaux Population Health Research Center, UMR 1219, Inria SISTM, Univ. Bordeaux, ISPED, Bordeaux, France
- Service d’Hygiène Hospitalière Groupe Hospitalier Pellegrin, Bordeaux, France
| | - A. M. Rogues
- Inserm, Bordeaux Population Health Research Center, UMR 1219, Inria SISTM, Univ. Bordeaux, ISPED, Bordeaux, France
- Service d’Hygiène Hospitalière Groupe Hospitalier Pellegrin, Bordeaux, France
| | - R. Thiébaut
- Inserm, Bordeaux Population Health Research Center, UMR 1219, Inria SISTM, Univ. Bordeaux, ISPED, Bordeaux, France
- Centre Hospitalier Universitaire de Bordeaux, Pole de santé publique, Service d’information médicale, Unité de Soutien Méthodologique à la Recherche Clinique et Epidémiologique, Bordeaux, France
- * E-mail:
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Feaver R, Collado S, Hoang S, Berzin E, Armstrong A, Gardner D, Liu H, Mackey A, Manka D, Shealy D, Blackman B. FRI0069 Neutralization of IL6 by Sirukumab (SIR) Inhibits Inflammation and Cellular Stress in a Human Vascular Surrogate System of Atherosclerosis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.5132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Hoang S, Vilalta R, Pinsky L, Kroupa M, Stoffle N, Idarraga J. Data Analysis of Tracks of Heavy Ion Particles in Timepix Detector. ACTA ACUST UNITED AC 2014. [DOI: 10.1088/1742-6596/523/1/012026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Guellec D, Cornec D, Morvan J, Berthelot JM, Maugars Y, Le henaff C, Hoang S, Marhadour T, Chales G, Martin A, Khoreichi A, Jousse-Joulin S, Devauchelle-Pensec V, Saraux A. FRI0283 Progression of early arthritis to spondyloarthritis after a 10-year follow-up. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Couderc S, Hoang S, Lebaudy C, Secher M, Hein C, Nourhashemi F, Cestac P. CPC-068 Impact of Optimising Prescriptions to Reduce the Risk of Falls in Elderly People. Eur J Hosp Pharm 2013. [DOI: 10.1136/ejhpharm-2013-000276.525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Stone RG, Pedersen BM, Harvey CC, Canu P, Cornilleau-Wehrlin N, Desch MD, de Villedary C, Fainberg J, Farrell WM, Goetz K, Hess RA, Hoang S, Kaiser ML, Kellogg PJ, Lecacheux A, Lin N, Macdowall RJ, Manning R, Meetre CA, Meyer-Vernet N, Moncuquet M, Osherovich V, Reiner MJ, Tekle A, Thiessen J, Zarka P. Ulysses radio and plasma wave observations in the jupiter environment. Science 2010; 257:1524-31. [PMID: 17776162 DOI: 10.1126/science.257.5076.1524] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The Unified Radio and Plasma Wave (URAP) experiment has produced new observations of the Jupiter environment, owing to the unique capabilities of the instrument and the traversal of high Jovian latitudes. Broad-band continuum radio emission from Jupiter and in situ plasma waves have proved valuable in delineating the magnetospheric boundaries. Simultaneous measurements of electric and magnetic wave fields have yielded new evidence of whistler-mode radiation within the magnetosphere. Observations of aurorallike hiss provided evidence of a Jovian cusp. The source direction and polarization capabilities of URAP have demonstrated that the outer region of the lo plasma torus supported at least five separate radio sources that reoccurred during successive rotations with a measurable corotation lag. Thermal noise measurements of the lo torus densities yielded values in the densest portion that are similar to models suggested on the basis of Voyager observations of 13 years ago. The URAP measurements also suggest complex beaming and polarization characteristics of Jovian radio components. In addition, a new class of kilometer-wavelength striated Jovian bursts has been observed.
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Devauchelle Pensec V, Saraux A, Berthelot JM, Alapetite S, Chalès G, Le Henaff C, Thorel JB, Hoang S, Nouy-Trolle I, Martin A, Baron D, Youinou P, Le Goff P. Ability of hand radiographs to predict a further diagnosis of rheumatoid arthritis in patients with early arthritis. J Rheumatol 2001; 28:2603-7. [PMID: 11764204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To evaluate the ability of hand radiographs collected at study inclusion to predict a diagnosis of rheumatoid arthritis (RA) 2 years later, in a cohort of patients with early arthritis. METHODS We evaluated 270 patients with arthritis of less than one year duration. At the first visit, all patients underwent a standardized evaluation including laboratory tests and radiographs. Followup was 30+/-11.3 mo. The hand radiographs were read by observers blinded to patient data who looked for item 7 of the 1987 ACR criteria for RA and used Sharp's method to score erosions and joint space narrowing. RESULTS The kappa coefficient for ACR item 7 was < 0.65 for bony decalcification and > 0.8 for erosions. Intra and interobserver correlation coefficients for Sharp score ranged from 0.90 to 0.95. The "erosion" component of ACR item 7 was more specific than the full item 7 (96% versus 87.5%; p = 0.02). Sharp erosion score was not better than the erosion component of item 7 (sensitivity 17%; specificity 96%). CONCLUSION Regardless of the criterion used, hand radiographs were of limited value to predict which patients would be considered as having RA 2 years later. Diagnostic performance was similar for the "erosions" component of the 1987 ACR item 7 and for Sharp erosion score. The full 1987 ACR item 7 (erosions or bony decalcification) performed less well.
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Affiliation(s)
- V Devauchelle Pensec
- Unit of Rheumatology and the Laboratory of Immunology, Hôpital de la Cavale Blanche, Brest, France
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Saraux A, Berthelot JM, Chalès G, Le Henaff C, Thorel JB, Hoang S, Valls I, Devauchelle V, Martin A, Baron D, Pennec Y, Botton E, Mary JY, Le Goff P, Youinou P. Ability of the American College of Rheumatology 1987 criteria to predict rheumatoid arthritis in patients with early arthritis and classification of these patients two years later. Arthritis Rheum 2001; 44:2485-91. [PMID: 11710704 DOI: 10.1002/1529-0131(200111)44:11<2485::aid-art428>3.0.co;2-s] [Citation(s) in RCA: 114] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To determine how well the American College of Rheumatology (ACR; formerly, the American Rheumatism Association) 1987 classification criteria for rheumatoid arthritis (RA), when used at study inclusion in a cohort of 270 patients with early (<1 year) arthritis, predicted a diagnosis of RA 2 years later and how well they classified these patients at the end of the 2 years. METHODS Patients were evaluated during 1995-1997 at 7 hospitals in the Brittany region of France. Patients were evaluated at 6-month intervals until November 1999. The diagnosis made by a panel of 5 rheumatologists (P5R) after the last visit was used as the "gold standard." The ACR 1987 criteria for RA were applied prospectively, without taking into account the initial diagnosis. RESULTS At the last visit (mean +/- SD followup 29.1 +/- 11.8 months; median 30 months), the P5R diagnosed RA in 98 patients. At the last visit, classification by the ACR criteria was satisfactory, and the combination of an office-based rheumatologist's (OBR's) diagnosis of RA and fulfillment of the ACR criteria was sensitive (87%; 85 of 98 RA patients had both) and highly specific (99%; 170 of 172 non-RA patients did not have both). Application of the criteria at the first visit was of limited value for predicting a diagnosis of RA 2 years later. CONCLUSION After a 2-year followup, the ACR 1987 classification criteria used in combination with an OBR's diagnosis were effective in distinguishing patients with and without RA. The criteria were not useful for predicting RA in patients with arthritis onset within the previous year. Some patients who met the criteria at baseline and after 2 years did not have RA, suggesting that incorporating exclusion criteria may improve the performance of the ACR criteria when used without taking into account the diagnosis by a rheumatologist, particularly in early arthritis.
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Affiliation(s)
- A Saraux
- Rheumatology Unit, la Cavale Blanche Hospital, Brest Teaching Hospital, France.
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Stone RG, Macdowall RJ, Fainberg J, Kaiser ML, Desch MD, Goldstein ML, Hoang S, Bougeret JL, Harvey CC, Manning R, Steinberg JL, Kellogg PJ, Lin N, Goetz K, Osherovich VA, Reiner MJ, Canu P, Cornilleau-Wehrlin N, Lengyel-Frey D, Thejappa G. Ulysses Radio and Plasma Wave Observations at High Southern Heliographic Latitudes. Science 1995; 268:1026-9. [PMID: 17774230 DOI: 10.1126/science.268.5213.1026] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Ulysses spacecraft radio and plasma wave observations indicate that some variations in the intensity and occurrence rate of electric and magnetic wave events are functions of heliographic latitude, distance from the sun, and phase of the solar cycle. At high heliographic latitudes, solartype Ill radio emissions did not descend to the local plasma frequency, in contrast to the emission frequencies of some bursts observed in the ecliptic. Short-duration bursts of electrostatic and electromagnetic waves were often found in association with depressions in magnetic field amplitude, known as magnetic holes. Extensive wave activity observed in magnetic clouds may exist because of unusually large electron-ion temperature ratios. The lower number of intense in situ wave events at high latitudes was likely due to the decreased variability of the high- latitude solar wind.
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Le Goff P, Fauquert P, Youinou P, Hoang S. [Periarteritis nodosa following vaccination against hepatitis B]. Presse Med 1988; 17:1763. [PMID: 2908212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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Meyer-Vernet N, Couturier P, Hoang S, Perche C, Steinberg JL, Fainberg J, Meetre C. Plasma Diagnosis from Thermal Noise and Limits on Dust Flux or Mass in Comet Giacobini-Zinner. Science 1986; 232:370-4. [PMID: 17792147 DOI: 10.1126/science.232.4748.370] [Citation(s) in RCA: 113] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Thermal noise spectroscopy was used to measure the density and temperature of the main (cold) electron plasma population during 2 hours (1.5x10(5) kilometers perpendicular to the tail axis) around the point of closest approach of the International Cometary Explorer (ICE) to Comet Giacobini-Zinner. The time resolution was 18 seconds (370 kilometers) in the plasma tail and 54 seconds (1100 kilometers) elsewhere. Near the tail axis, the maximum plasma density was 670 per cubic centimeter and the temperature slightly above 1 electron volt. Away from the axis, the plasma density dropped to 100 per cubic centimeter (temperature, 2x 10(4) K) over 2000 kilometers, then decreased to 10 (1.5x 10(5)K) over 15,000 kilometers; outside that region (plasma tail), the density fluctuated between 10 and 30 per cubic centimeter and the temperature between 1x 10(5) and 4 x10(5) K. The relative density of the hot population rarely exceeded a few percent. The tail was highly asymmetrical and showed much structure. On the other antenna, shot noise was recorded from the plasma particle impacts on the spacecraft body. No evidence was found of grain impacts on the antennas or spacecraft in the plasma tail. This yields an upper limit for the dust flux or particle mass, indicating either fluxes or masses in the tail smaller than implied by the models or an anomalous grain structure. This seems to support earlier suggestions that these grains are featherlike. Outside the tail, and particularly near 10(5) kilometers from its axis, impulsive noises indicating plasma turbulence were observed.
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Dulk GA, Steinberg JL, Hoang S, Lecacheux A. Latitude Distribution of Interplanetary Magnetic Field Lines Rooted in Active Regions. Astrophysics and Space Science Library 1986. [DOI: 10.1007/978-94-009-4612-5_28] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Ferroir JP, Hoang S, Leche J, Reignier A, Nicolle MH. [Trigeminal neuropathy disclosing systemic scleroderma]. Presse Med 1984; 13:2153. [PMID: 6238324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Knoll R, Epstein G, Hoang S, Huntzinger G, Steinberg JL, Fainberg J, Grena F, Mosier SR, Stone RG. The 3-Dimensional Radio Mapping Experiment (SBH) on ISEE-C. ACTA ACUST UNITED AC 1978. [DOI: 10.1109/tge.1978.294546] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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