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Lam M, Leung KM, Lai GKK, Leung FCC, Griffin SDJ. Complete genome sequence of Gluconobacter frateurii ML.ISBL3, an endophytic strain isolated from aerial roots of Syngonium podophyllum. Microbiol Resour Announc 2024; 13:e0110623. [PMID: 38470266 PMCID: PMC11008163 DOI: 10.1128/mra.01106-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 03/02/2024] [Indexed: 03/13/2024] Open
Abstract
The endophytic strain Gluconobacter frateurii ML.ISBL3 was isolated from aerial roots of Syngonium podophyllum in Hong Kong. Its complete genome, established through hybrid assembly, comprises a single chromosome of 3,309,710 bp (56.30% G+C).
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Affiliation(s)
- M. Lam
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong SAR, China
| | - K. M. Leung
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong SAR, China
| | - G. K. K. Lai
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong SAR, China
| | - F. C. C. Leung
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong SAR, China
| | - S. D. J. Griffin
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong SAR, China
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Lam M, Leung KM, Lai GKK, Leung FCC, Griffin SDJ. Complete genome sequence of Klebsiella variicola subsp. variicola ML.9ba2, an endophytic strain isolated from aerial roots of Philodendron erubescens. Microbiol Resour Announc 2024; 13:e0116323. [PMID: 38509053 PMCID: PMC11008176 DOI: 10.1128/mra.01163-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 03/02/2024] [Indexed: 03/22/2024] Open
Abstract
The endophytic strain Klebsiella variicola subsp. variicola ML.9ba2 was isolated from aerial roots of Philodendron erubescens in Hong Kong. Its complete genome of 5,682,083 bp (57.29% G+C), comprising a single chromosome and an IncF plasmid, was established through hybrid assembly.
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Affiliation(s)
- M. Lam
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong, China
| | - K. M. Leung
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong, China
| | - G. K. K. Lai
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong, China
| | - F. C. C. Leung
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong, China
| | - S. D. J. Griffin
- Shuyuan Molecular Biology Laboratory, The Independent Schools Foundation Academy, Hong Kong, China
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Blokland G, Maleki N, Jovicich J, Mesholam-Gately R, DeLisi L, Turner J, Shenton M, Voineskos A, Kahn R, Roffman J, Holt D, Ehrlich S, Kikinis Z, Dazzan P, Murray R, Lee J, Sim K, Lam M, de Zwarte S, Walton E, Kelly S, Picchioni M, Bramon E, Makris N, David A, Mondelli V, Reinders A, Oykhman E, Morris D, Gill M, Corvin A, Cahn W, Ho N, Liu J, Gollub R, Manoach D, Calhoun V, Sponheim S, Buka S, Cherkerzian S, Thermenos H, Dickie E, Ciufolini S, Reis Marques T, Crossley N, Purcell S, Smoller J, van Haren N, Toulopoulou T, Donohoe G, Goldstein J, Keshavan M, Petryshen T, del Re E. MIR137 polygenic risk for schizophrenia and ephrin-regulated pathway: Role in lateral ventricles and corpus callosum volume. Int J Clin Health Psychol 2024; 24:100458. [PMID: 38623146 PMCID: PMC11017057 DOI: 10.1016/j.ijchp.2024.100458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 04/02/2024] [Indexed: 04/17/2024] Open
Abstract
Background/Objective. Enlarged lateral ventricle (LV) volume and decreased volume in the corpus callosum (CC) are hallmarks of schizophrenia (SZ). We previously showed an inverse correlation between LV and CC volumes in SZ, with global functioning decreasing with increased LV volume. This study investigates the relationship between LV volume, CC abnormalities, and the microRNA MIR137 and its regulated genes in SZ, because of MIR137's essential role in neurodevelopment. Methods. Participants were 1224 SZ probands and 1466 unaffected controls from the GENUS Consortium. Brain MRI scans, genotype, and clinical data were harmonized across cohorts and employed in the analyses. Results. Increased LV volumes and decreased CC central, mid-anterior, and mid-posterior volumes were observed in SZ probands. The MIR137-regulated ephrin pathway was significantly associated with CC:LV ratio, explaining a significant proportion (3.42 %) of CC:LV variance, and more than for LV and CC separately. Other pathways explained variance in either CC or LV, but not both. CC:LV ratio was also positively correlated with Global Assessment of Functioning, supporting previous subsample findings. SNP-based heritability estimates were higher for CC central:LV ratio (0.79) compared to CC or LV separately. Discussion. Our results indicate that the CC:LV ratio is highly heritable, influenced in part by variation in the MIR137-regulated ephrin pathway. Findings suggest that the CC:LV ratio may be a risk indicator in SZ that correlates with global functioning.
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Affiliation(s)
- G.A.M. Blokland
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Netherlands
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - N. Maleki
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
| | - J. Jovicich
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy
| | - R.I. Mesholam-Gately
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA, United States
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - L.E. DeLisi
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Department of Psychiatry, Cambridge Health Alliance, Cambridge, MA, United States
| | - J.A. Turner
- Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, OH, United States
| | - M.E. Shenton
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Psychiatry Neuroimaging Laboratory, Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, United States
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Psychiatry, Veterans Affairs Boston Healthcare System, Brockton, MA, United States
| | - A.N. Voineskos
- Kimel Family Translational Imaging Genetics Laboratory, Department of Psychiatry, Research Imaging Centre, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry and Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - R.S. Kahn
- Brain Centre Rudolf Magnus, Department of Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - J.L. Roffman
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
| | - D.J. Holt
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
| | - S. Ehrlich
- Division of Psychological & Social Medicine and Developmental Neurosciences, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Z. Kikinis
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Psychiatry Neuroimaging Laboratory, Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, United States
| | - P. Dazzan
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - R.M. Murray
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - J. Lee
- Institute of Mental Health, Woodbridge Hospital, Singapore
| | - K. Sim
- Institute of Mental Health, Woodbridge Hospital, Singapore
| | - M. Lam
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
- Institute of Mental Health, Woodbridge Hospital, Singapore
- Analytical & Translational Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Division of Psychiatry Research, The Zucker Hillside Hospital, Northwell Health, Glen Oaks, NY, USA
| | - S.M.C. de Zwarte
- Brain Centre Rudolf Magnus, Department of Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - E. Walton
- Department of Psychology, University of Bath, Bath, United Kingdom
| | - S. Kelly
- Neuropsychiatric Genetics Research Group, Department of Psychiatry, Institute of Molecular Medicine, Trinity College Dublin, Dublin, Ireland
- Laboratory of NeuroImaging, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - M.M. Picchioni
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - E. Bramon
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
- Mental Health Neuroscience Research Department, UCL Division of Psychiatry, University College London, United Kingdom
| | - N. Makris
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
- Department of Neurology, Massachusetts General Hospital, Boston, MA, United States
- Department of Neurology, Harvard Medical School, Boston, MA, United States
| | - A.S. David
- Division of Psychiatry, University College London, London, United Kingdom
| | - V. Mondelli
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - A.A.T.S. Reinders
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - E. Oykhman
- Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - D.W. Morris
- Cognitive Genetics and Cognitive Therapy Group, Neuroimaging and Cognitive Genomics (NICOG) Centre and NCBES Galway Neuroscience Centre, School of Psychology and Discipline of Biochemistry, National University of Ireland, Galway, Ireland
| | - M. Gill
- Neuropsychiatric Genetics Research Group, Department of Psychiatry, Institute of Molecular Medicine, Trinity College Dublin, Dublin, Ireland
| | - A.P. Corvin
- Neuropsychiatric Genetics Research Group, Department of Psychiatry, Institute of Molecular Medicine, Trinity College Dublin, Dublin, Ireland
| | - W. Cahn
- Brain Centre Rudolf Magnus, Department of Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - N. Ho
- Institute of Mental Health, Woodbridge Hospital, Singapore
| | - J. Liu
- Genome Institute, Singapore
| | - R.L. Gollub
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
| | - D.S. Manoach
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States
| | - V.D. Calhoun
- Tri-institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS), Georgia State, Georgia Tech, Emory, Atlanta, GA, United States
| | - S.R. Sponheim
- Department of Psychiatry, University of Minnesota, Minneapolis, MN, United States
| | - S.L. Buka
- Department of Epidemiology, Brown University, Providence, RI, United States
| | - S. Cherkerzian
- Department of Medicine, Division of Women's Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - H.W. Thermenos
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - E.W. Dickie
- Kimel Family Translational Imaging Genetics Laboratory, Department of Psychiatry, Research Imaging Centre, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - S. Ciufolini
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - T. Reis Marques
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - N.A. Crossley
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - S.M. Purcell
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
- Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, United States
- Division of Psychiatric Genomics, Departments of Psychiatry and Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - J.W. Smoller
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - N.E.M. van Haren
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus Medical Centre, Rotterdam, The Netherlands
- Department of Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - T. Toulopoulou
- Department of Psychology & National Magnetic Resonance Research Center (UMRAM), Aysel Sabuncu Brain Research Centre (ASBAM), Bilkent University, Ankara, Turkey
- Department of Psychiatry, Faculty of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - G. Donohoe
- Neuropsychiatric Genetics Research Group, Department of Psychiatry, Institute of Molecular Medicine, Trinity College Dublin, Dublin, Ireland
- Cognitive Genetics and Cognitive Therapy Group, Neuroimaging and Cognitive Genomics (NICOG) Centre and NCBES Galway Neuroscience Centre, School of Psychology and Discipline of Biochemistry, National University of Ireland, Galway, Ireland
| | - J.M. Goldstein
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Department of Medicine, Division of Women's Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, United States
| | - M.S. Keshavan
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA, United States
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - T.L. Petryshen
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, United States
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - E.C. del Re
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States
- Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA, United States
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- Department of Psychiatry, Veterans Affairs Boston Healthcare System, Brockton, MA, United States
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Lee KN, Neibart SS, Droznin A, Guthier CV, Martin NE, Mancias JD, Lam M, Shiloh R, Peng LC, Ng K, Surana R, Enzinger P, Meyerhardt J, Mamon HJ. A Single-Institution Experience of Acute Neuropathic Lumbosacral Pain in Patients Treated with Short Course Hypofractionated Radiotherapy in Locally Advanced Rectal Cancer. Int J Radiat Oncol Biol Phys 2023; 117:e312-e313. [PMID: 37785125 DOI: 10.1016/j.ijrobp.2023.06.2341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) There has been increased interest in the use of short course hypofractionated radiotherapy as part of a total neoadjuvant treatment (TNT) approach in the management of rectal cancer since publication of the RAPIDO trial. However, the literature on short course radiation for rectal cancer has not reported significant acute toxicities in the weeks immediately following the completion of treatment. Anecdotally, a subset of patients has experienced acute neuropathic pain characterized in a lumbosacral distribution. This study investigates acute lumbosacral toxicity for patients receiving hypofractionated short course radiation as part of their definitive treatment for rectal cancer. MATERIALS/METHODS We retrospectively analyzed 75 patients with locally advanced rectal adenocarcinoma treated with hypofractionated short course radiation (25 Gy in 5 fractions) at our institution between 2016 and 2022. Acute toxicity caused by radiation was defined as that occurring from the start of radiation treatment to either 30 days post radiation completion, the start of chemotherapy, or date of surgery, whichever occurred first. RESULTS Among 75 patients treated with hypofractionated short course preoperative radiation with definitive intent, we identified 10 patients (13.3%) who experienced significant lumbosacral neuropathic pain and initiated a report to their medical providers during the acute toxicity time frame. Commonly, this was described as an achy pain in the bilateral buttocks radiating down to the knees or posterior claves. Patients rated this pain between moderate to extreme and management included steroids after failure of improvement with conservative measures, gabapentin, and conservative treatment with NSAIDs and Tylenol. Average time to onset of acute lumbosacral neuropathic pain was 3.7 days (SD 2.05) from start of RT. CONCLUSION We have identified a previously underappreciated acute toxicity of neuropathic lumbosacral pain in short course hypofractionated radiation therapy, which may be due to a lumbosacral plexus toxicity. Further analysis will seek to identify predictive factors such as comorbidities and dose to the lumbosacral plexus, and to determine whether there is a correlation between these observed acute toxicities and long-term outcomes.
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Affiliation(s)
- K N Lee
- Harvard Radiation Oncology Program, Boston, MA
| | - S S Neibart
- Department of Medicine, Brigham and Women's Hospital, Boston, MA
| | - A Droznin
- Brigham and Women's Hospital/ Dana Farber Cancer Institute, Boston, MA
| | - C V Guthier
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - N E Martin
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA
| | - J D Mancias
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham & Women's Hospital, Boston, MA
| | - M Lam
- Dana Farber Cancer Institute / Brigham & Women's Hospital, Boston, MA
| | - R Shiloh
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham & Women's Hospital, Boston, MA
| | - L C Peng
- Department of Radiation Oncology, Dana-Farber Brigham Cancer Center, Boston, MA
| | - K Ng
- Dana Farber Cancer Institute, Boston, MA
| | - R Surana
- Dana Farber Cancer Institute, Boston, MA
| | - P Enzinger
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | | | - H J Mamon
- Department of Radiation Oncology, Brigham and Women's Hospital/Dana-Farber Cancer Institute, Boston, MA
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Lam EHY, Lai ESK, Lai ECL, Lau E, Siu BWM, Tang DYY, Mok CCM, Lam M. Effect of Community Treatment Orders on Mental Health Service Usage, Emergency Visits, and Violence: a Systematic Review and Meta-Analysis. East Asian Arch Psychiatry 2023; 33:37-43. [PMID: 37400226 DOI: 10.12809/eaap2246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
INTRODUCTION Community treatment orders (CTOs) enable patients to actively engage in mental health services while being supervised in the community outside the hospital setting. However, the efficacy of CTOs remains controversial in terms of mental health services usage or service contacts, emergency visits, and violence. METHODS The databases PsychINFO, Embase, and Medline were searched on 11 March 2022 by 2 independent reviewers through the Covidence website (www.covidence.org). Randomised or non-randomised case-control studies and pre-post studies were included if they examine the effect of CTOs on service contacts, emergency visits, and violence in individuals with mental illnesses by comparing with control groups or pre-CTO conditions. Conflicts were resolved by consultation of the third independent reviewer. RESULTS Sixteen studies provided sufficient data in the target outcome measures and were included in analysis. Variability in the risk of bias was high among studies. Meta-analyses were conducted separately for case-control studies and pre-post studies. For service contacts, a total of 11 studies with 66,192 patients reported changes in the number of service contacts under CTOs. In 6 case-control studies, a small non-significant increase in service contacts was observed in those under CTOs (Hedge's g = 0.241, z = 1.535, p = 0.13). In 5 pre-post studies, a large and significant increase in service contacts was noted after CTOs (Hedge's g = 0.830, z = 5.056, p < 0.001). For emergency visits, a total of 6 studies with 930 patients reported changes in the number of emergency visits under CTOs. In 2 case-control studies, a small non-significant increase in emergency visits was noted in those under CTOs (Hedge's g = -0.196, z = -1.567, p = 0.117). In 4 pre-post studies, a small significant decrease in emergency visits was noted after CTOs (Hedge's g = 0.553, z = 3.101, p = 0.002). For violence, a total of 2 pre-post studies reported a moderate significant reduction in violence after CTOs (Hedge's g = 0.482, z = 5.173, p < 0.001). CONCLUSION Case-control studies showed inconclusive evidence, but pre-post studies showed significant effects of CTOs in promoting service contacts and reducing emergency visits and violence. Future studies on cost-effectiveness analysis and qualitative analysis for specific populations with various cultures and backgrounds are warranted.
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Affiliation(s)
- E H Y Lam
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - E S K Lai
- Department of Occupational Therapy, Castle Peak Hospital, Hong Kong SAR, China
| | - E C L Lai
- Department of Child and Adolescent Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - E Lau
- Department of Occupational Therapy, Castle Peak Hospital, Hong Kong SAR, China
| | - B W M Siu
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - D Y Y Tang
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - C C M Mok
- Department of Occupational Therapy, Castle Peak Hospital, Hong Kong SAR, China
| | - M Lam
- Department of General Adult Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
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Chan MY, Man SC, Lam M, Lai WH, Qin ZS, Ng MKR, Lee CK, Chen YHE, Lee HME, Liu LY, Wong HK, Zhang ZJ. Berberine for antipsychotic-induced metabolic syndrome in patients with schizophrenia spectrum disorders: abridged secondary publication. Hong Kong Med J 2023; 29 Suppl 3:4-7. [PMID: 37357582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023] Open
Affiliation(s)
- M Y Chan
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - S C Man
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - M Lam
- Department of Adult Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - W H Lai
- Department of Adult Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - Z S Qin
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - M K R Ng
- Department of Psychiatry, Kowloon Hospital, Hong Kong SAR, China
| | - C K Lee
- Department of Psychiatry, Kowloon Hospital, Hong Kong SAR, China
| | - Y H E Chen
- Department of Psychiatry, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - H M E Lee
- Department of Psychiatry, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - L Y Liu
- Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
| | - H K Wong
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Z J Zhang
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
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Henricksen E, Lam M, Tulu Z, Kim D, Guevara-Castro A, Luikart H, Khush K, Moayedi Y, Lee R, Le T, Wang U, Han J, Wayda B, Njoroge J, Hsiao S, Zhang B, MacArthur J, Teuteberg J. Analysis of the Impact of Holding Angiotensin Inhibiting Medications at Various Time Points Prior to Heart Transplant and Primary Graft Dysfunction. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.591] [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: 04/05/2023] Open
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Rangel A, Lam M, Hocini A, Humblot V, Ameyama K, Migonney V, Dirras G, Falentin-Daudre C. Bioactivation of New Harmonic Titanium Alloy to Improve and Control Cellular Response and differentiation. Ing Rech Biomed 2023. [DOI: 10.1016/j.irbm.2023.100771] [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: 02/26/2023]
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9
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Tyan K, Lam M, Milligan M. Trends in Private Equity Involvement in Oncology Practices in the United States. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.523] [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: 11/24/2022]
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10
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Weber M, Lam M, Chiesa C, Konijnenberg M, Cremonesi M, Flamen P, Gnesin S, Bodei L, Kracmerova T, Luster M, Garin E, Herrmann K. EANM procedure guideline for the treatment of liver cancer and liver metastases with intra-arterial radioactive compounds. Eur J Nucl Med Mol Imaging 2022; 49:1682-1699. [PMID: 35146577 PMCID: PMC8940802 DOI: 10.1007/s00259-021-05600-z] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [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: 09/09/2021] [Accepted: 10/19/2021] [Indexed: 12/15/2022]
Abstract
Primary liver tumours (i.e. hepatocellular carcinoma (HCC) or intrahepatic cholangiocarcinoma (ICC)) are among the most frequent cancers worldwide. However, only 10-20% of patients are amenable to curative treatment, such as resection or transplant. Liver metastases are most frequently caused by colorectal cancer, which accounts for the second most cancer-related deaths in Europe. In both primary and secondary tumours, radioembolization has been shown to be a safe and effective treatment option. The vast potential of personalized dosimetry has also been shown, resulting in markedly increased response rates and overall survival. In a rapidly evolving therapeutic landscape, the role of radioembolization will be subject to changes. Therefore, the decision for radioembolization should be taken by a multidisciplinary tumour board in accordance with the current clinical guidelines. The purpose of this procedure guideline is to assist the nuclear medicine physician in treating and managing patients undergoing radioembolization treatment. PREAMBLE: The European Association of Nuclear Medicine (EANM) is a professional non-profit medical association that facilitates communication worldwide among individuals pursuing clinical and research excellence in nuclear medicine. The EANM was founded in 1985. These guidelines are intended to assist practitioners in providing appropriate nuclear medicine care for patients. They are not inflexible rules or requirements of practice and are not intended, nor should they be used, to establish a legal standard of care. The ultimate judgment regarding the propriety of any specific procedure or course of action must be made by medical professionals taking into account the unique circumstances of each case. Thus, there is no implication that an approach differing from the guidelines, standing alone, is below the standard of care. To the contrary, a conscientious practitioner may responsibly adopt a course of action different from that set out in the guidelines when, in the reasonable judgment of the practitioner, such course of action is indicated by the condition of the patient, limitations of available resources or advances in knowledge or technology subsequent to publication of the guidelines. The practice of medicine involves not only the science but also the art of dealing with the prevention, diagnosis, alleviation and treatment of disease. The variety and complexity of human conditions make it impossible to always reach the most appropriate diagnosis or to predict with certainty a particular response to treatment. Therefore, it should be recognised that adherence to these guidelines will not ensure an accurate diagnosis or a successful outcome. All that should be expected is that the practitioner will follow a reasonable course of action based on current knowledge, available resources and the needs of the patient to deliver effective and safe medical care. The sole purpose of these guidelines is to assist practitioners in achieving this objective.
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Affiliation(s)
- M Weber
- Department of Nuclear medicine, University clinic Essen, Essen, Germany.
| | - M Lam
- Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands
| | - C Chiesa
- Nuclear Medicine, Foundation IRCCS National Tumour Institute, Milan, Italy
| | - M Konijnenberg
- Nuclear Medicine Department, Erasmus MC, Rotterdam, The Netherlands
| | - M Cremonesi
- Radiation Research Unit, IEO European Institute of Oncology IRCCS, Via Giuseppe Ripamonti, 435, 20141, Milan, MI, Italy
| | - P Flamen
- Department of Nuclear Medicine, Institut Jules Bordet-Université Libre de Bruxelles (ULB), 1000, Brussels, Belgium
| | - S Gnesin
- Institute of Radiation physics, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - L Bodei
- Molecular Imaging and Therapy Service, Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - T Kracmerova
- Department of Medical Physics, Motol University Hospital, Prague, Czech Republic
| | - M Luster
- Department of Nuclear medicine, University hospital Marburg, Marburg, Germany
| | - E Garin
- Department of Nuclear Medicine, Cancer, Institute Eugène Marquis, Rennes, France
| | - K Herrmann
- Department of Nuclear medicine, University clinic Essen, Essen, Germany
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11
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Lam M, Falentin-Daudré C. Characterization of plasmatic proteins adsorption on poly(styrene sodium sulfonate) functionalized silicone surfaces. Biophys Chem 2022; 285:106804. [PMID: 35339945 DOI: 10.1016/j.bpc.2022.106804] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/16/2022] [Accepted: 03/18/2022] [Indexed: 11/28/2022]
Abstract
Proteins adsorption occurs spontaneously on biomaterial upon insertion within the body. The resulting protein layer influences biomaterial biocompatibility through enhanced bio-integration or, on the contrary, adverse reactions. Furthermore, upon adsorption, proteins can undergo modifications of their structure and, ultimately, their physicochemical properties and activity. Hence, the understanding of protein adsorption on implanted materials appears essential, as exemplified by silicone breast prostheses that might lead to serious health issues. Surface modifications with a bioactive polymer, poly(styrene sodium sulfonate)-polyNaSS, on a hydrophobic silicone surface that composes breast implants, have been successfully performed under UV irradiation by a radical surface polymerization. This strategy enhances cell biocompatibility and antibacterial features. Although detailed insights related to the mechanism are still scarce, polyNaSS is supposed to promote changes in the conformation and/or orientation of adsorbed plasma proteins, reducing the odd for a biofilm to form. The present work addresses more in-depth structural investigations of the adsorbed state of two plasma proteins: Bovine Serum Albumin (BSA), as a model protein, and fibronectin (FN), for its role in cell adhesion. Using Atomic force microscopy (AFM), we report that polyNaSS showed no significant impact on the BSA structure conversely to the FN one. However, imaging findings with AFM clearly outlined a change in the structural organization of FN, going from a nano fibrillar assembly with an average length of 130 nm to a globular one when the surface was grafted. Thus, it is highlighted that polyNaSS interacts specifically with FN. In addition, cell spreading assay of L929 fibroblasts on FN-coated surfaces with optical microscopy indicated no significant impact of the change in FN structure upon fibroblasts adhesion, which displayed active elongated shapes. The present features are crucial for understanding the cell adhesion mechanism induced by surface modification.
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Affiliation(s)
- M Lam
- LBPS/CSPBAT, UMR CNRS 7244, Institut Galilée, Université Sorbonne Paris Nord, 99 avenue JB Clément, 93430 Villetaneuse, France
| | - C Falentin-Daudré
- LBPS/CSPBAT, UMR CNRS 7244, Institut Galilée, Université Sorbonne Paris Nord, 99 avenue JB Clément, 93430 Villetaneuse, France.
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12
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Lam M, Falentin-Daudré C. Implication of the Nature and Texturation of Silicone Surfaces on the Grafting of PolyNaSS, a Bioactive Polymer. Ing Rech Biomed 2021. [DOI: 10.1016/j.irbm.2021.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Abstract
Darier's disease (also known as keratosis follicularis or dyskeratosis follicularis) is an autosomal dominant inherited disorder which manifests as hyperkeratotic greasy papules in the first or second decade of life. Aside from symptom management and behavioral modifications to avoid triggers, there are currently no validated treatments for Darier's disease (DD). However, a variety of treatments have been proposed in the literature including retinoids, steroids, vitamin D analogs, photodynamic therapy, and surgical excision. The purpose of this review article is to identify therapeutic options for treating DD and to outline the evidence underlying these interventions. A search was conducted in Medline for English language articles from inception to July 4, 2020. Our search identified a total of 474 nonduplicate studies, which were screened by title and abstract. Of these, 155 full text articles were screened against inclusion/exclusion criteria, and 113 studies were included in our review. We identified Grade B evidence for the following treatments of DD: oral acitretin, oral isotretinoin, systemic Vitamin A, topical tretinoin, topical isotretinoin, topical adapalene gel, topical 5-flououracil, topical calciptriol and tacalcitol (with sunscreen), grenz ray radiation, and x-ray radiation. All other evidence for treatments of DD consisted of case reports or case series, which is considered grade C evidence. Considering the quality and quantity of evidence, clinicians may consider initiating a trial of select topical or oral retinoids first in patients with localized or generalized DD, respectively.
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Affiliation(s)
- N Hanna
- 6363 Faculty of Medicine, University of Ottawa, ON, Canada
| | - M Lam
- 12362 Faculty of Medicine, McMaster University, Hamilton, ON, Canada
| | - P Fleming
- 7938 Division of Dermatology, University of Toronto, ON, Canada
| | - C Lynde
- 7938 Division of Dermatology, University of Toronto, ON, Canada.,Lynde Institute of Dermatology, Markham, ON, Canada
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14
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Roberts H, Shin K, Catalano P, Huynh E, Williams C, Han Z, Vastola M, Ampofo N, Leeman J, Mamon H, Mancias J, Lam M, Martin N, Huynh M, Mak R, Singer L, Cagney D. A Prospective Clinical Trial Evaluating Stereotactic Magnetic Resonance Guided Adaptive Radiation Therapy (SMART) for Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Milligan M, Hansen M, Figueroa J, Orav E, Lam M. Practice Consolidation Among U.S. Radiation Oncologists Over Time. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Roberts H, Huynh E, Williams C, Han Z, Vastola M, Ampofo N, Leeman J, Mamon H, Mancias J, Lam M, Martin N, Huynh M, Mak R, Singer L, Cagney D. Impact of Stereotactic MR-Guided Adaptive Radiation Therapy on Early Clinical and Dosimetric Outcomes in Patients With Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Ng S, Lam M, Gil N, Shamali A. 106 Stentolith As an Uncommon Complication of Loss to Follow Up After Endoscopic Biliary Stenting. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
Endoscopic biliary stenting is a common procedure, with indications from malignant obstruction to benign stone disease. We discuss a patient who re-presented after endoscopic stenting having been lost to follow up, with a large ‘stentolith’ requiring open CBD exploration.
Case Presentation
A 56-year-old female presented in 2013 with obstructive jaundice and a 2-week history of abdominal pain. She was a smoker, but otherwise had no past medical, surgical, or relevant family history. After initial workup, ERCP with sphincterotomy and pigtail stent placement was performed with interval laparoscopic cholecystectomy in 2014. Post-operative follow up was not arranged, and the patient subsequently re-presented in 2020 with fatigue. MRCP confirmed a proximal CBD stone and linear artefact. Open exploration facilitated removal of the stone-stent complex.
Discussion
Complications of stenting include cholangitis, stent occlusion and migration [2]. Stenting for failed biliary stone extraction is considered a temporary measure, with removal or exchange at three months (1). However, patients may be lost to follow up and return with non-specific symptoms. A rare cause is de novo formation of a gallstone calculus encasing the stent, a phenomenon termed “stentolith” [4]. Proposed pathophysiology is through promotion of bacterial proliferation by the stent, with biofilm formation and calcium bilirubinate precipitation [6]. Variation in formation has been described, with plastic stents developing circumferential stones [12-25], due to potential space between the wall and stent.
Conclusions
This highlights the importance of robust inter-disciplinary working; careful patient follows up and implementation of a mandatory registry at all hospitals for stented patients.
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Affiliation(s)
- S Ng
- Great Western Hospital, Swindon, United Kingdom
| | - M Lam
- Great Western Hospital, Swindon, United Kingdom
| | - N Gil
- Great Western Hospital, Swindon, United Kingdom
| | - A Shamali
- Great Western Hospital, Swindon, United Kingdom
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18
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Lam M, Salem R, Garin E. 934P The TARGET study: A global investigation of advanced dosimetry for transarterial radioembolization of hepatocellular carcinoma with yttrium-90 glass microspheres. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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19
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Tso VBY, Lambreghts CS, Tso S, Mann S, Smith K, Lam M, Tso ACY. On-pack recycling label in cosmeceutical products in dermatology. Clin Exp Dermatol 2021; 47:186-188. [PMID: 34382249 DOI: 10.1111/ced.14876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 08/09/2021] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - S Tso
- South Warwickshire NHS Foundation Trust, Warwickshire, UK
| | - S Mann
- South Warwickshire NHS Foundation Trust, Warwickshire, UK.,School of Medicine, University of Leeds, Leeds, UK
| | - K Smith
- South Warwickshire NHS Foundation Trust, Warwickshire, UK
| | - M Lam
- South Warwickshire NHS Foundation Trust, Warwickshire, UK
| | - A C Y Tso
- Department of Haematology, Tan Tock Seng Hospital, Singapore, Singapore
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20
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Lam M, Egail M, Bedlow AJ, Tso S. Ribonucleic acid COVID-19 vaccine-associated cutaneous adverse drug events: a case series of two patients. Clin Exp Dermatol 2021; 46:1131-1134. [PMID: 33835617 PMCID: PMC8251228 DOI: 10.1111/ced.14673] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 04/01/2021] [Indexed: 01/09/2023]
Affiliation(s)
- M Lam
- Jephson Dermatology Centre, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - M Egail
- Jephson Dermatology Centre, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - A J Bedlow
- Jephson Dermatology Centre, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - S Tso
- Jephson Dermatology Centre, South Warwickshire NHS Foundation Trust, Warwick, UK
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21
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Lam M, Zhu J, Tadrous M, Drucker A. 232 The association between topical calcineurin inhibitor use and risk of cancer: A systematic review and meta-analysis. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Lam M, Salem R, Garin E. Abstract No. LB02 A global study of advanced dosimetry in the treatment of hepatocellular carcinoma with Yttrium-90 glass microspheres: analyses from the TARGET study. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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23
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Ching RCT, Mak SP, Wong MCS, Lam M, Chan WM, Wong MFY, Liang R, Lam TH. Response to the World Health Organization's working document for the development of a global action plan to reduce alcohol-related harm: Position Statement of the Hong Kong Alliance for Advocacy Against Alcohol. Hong Kong Med J 2021; 27:4-6. [PMID: 33518532 DOI: 10.12809/hkmj215109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- R C T Ching
- Hong Kong Alliance for Advocacy Against Alcohol
| | - S P Mak
- Hong Kong Alliance for Advocacy Against Alcohol
| | - M C S Wong
- Hong Kong Alliance for Advocacy Against Alcohol
| | - M Lam
- Hong Kong Alliance for Advocacy Against Alcohol
| | - W M Chan
- Hong Kong Alliance for Advocacy Against Alcohol
| | - M F Y Wong
- Hong Kong Alliance for Advocacy Against Alcohol
| | - R Liang
- Hong Kong Alliance for Advocacy Against Alcohol
| | - T H Lam
- Hong Kong Alliance for Advocacy Against Alcohol
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24
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Poon D, Chan K, Chan T, Cheung F, Lam M, Lam D, Law K, Leung A, Lee C, Lee K, Sze H, Wong K, Tong C, Kwong P. 219MO Real-world utilization pattern of bone-targeted agents for metastatic prostate cancer: Web-based questionnaire study by Hong Kong Society of Uro-Oncology (HKSUO). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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25
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Blanchette P, Lam M, Le B, Richard L, Shariff S, Pritchard K, Raphael J, Vandenberg T, Fernandes R, Desautels D, Chan K, Earle C. 192P The association between endocrine therapy use and osteoporotic fracture among post-menopausal women treated for early-stage breast cancer in Ontario, Canada. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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26
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Siu BWM, So JWL, Yuen KK, Chan AWL, Chan C, Lai ESK, Leung HW, Lam M. A retrospective study on risk assessment and management of forensic psychiatric inpatients in Hong Kong. Behav Sci Law 2020; 38:493-505. [PMID: 32672391 DOI: 10.1002/bsl.2475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 06/13/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
The Department of Forensic Psychiatry of Castle Peak Hospital is the only facility in Hong Kong that provides territory-wide forensic psychiatric services for patients with criminal involvement. This retrospective study aimed to explore whether the rehabilitation programs provided by the department could significantly reduce the risks of forensic psychiatric inpatients as measured by the Short-Term Assessment of Risk and Treatability (START). START ratings of inpatients who were hospitalized in the department for more than 3 months and were discharged to the community during the period from 11 April 2015 to 31 March 2019 were analyzed. A total of 79 patients were assessed, of whom 61 (77.2%) were males. Fifty-four (68.4%) patients suffered from schizophrenia. START scores upon admission (strength score = 5.67; vulnerability score = 17.43) and upon discharge (strength score = 6.87, vulnerability score = 11.18) indicated significant reduction of risks among inpatients (p < 0.05).
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Affiliation(s)
- Bonnie W M Siu
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong, SAR, China
| | - Jane W L So
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong, SAR, China
| | - K K Yuen
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong, SAR, China
| | - Anita W L Chan
- Occupational Therapy Department, Castle Peak Hospital, Hong Kong, SAR, China
| | - Clement Chan
- Occupational Therapy Department, Castle Peak Hospital, Hong Kong, SAR, China
| | - Eric S K Lai
- Occupational Therapy Department, Castle Peak Hospital, Hong Kong, SAR, China
| | - H W Leung
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong, SAR, China
| | - M Lam
- Castle Peak Hospital, Hong Kong, SAR, China
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27
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McQueen BE, Kiatthanapaiboon A, Fulcher ML, Lam M, Patton K, Powell E, Kollipara A, Madden V, Suchland RJ, Wyrick P, O'Connell CM, Reidel B, Kesimer M, Randell SH, Darville T, Nagarajan UM. Human Fallopian Tube Epithelial Cell Culture Model To Study Host Responses to Chlamydia trachomatis Infection. Infect Immun 2020; 88:e00105-20. [PMID: 32601108 PMCID: PMC7440757 DOI: 10.1128/iai.00105-20] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 02/20/2020] [Accepted: 06/23/2020] [Indexed: 12/20/2022] Open
Abstract
Chlamydia trachomatis infection of the human fallopian tubes can lead to damaging inflammation and scarring, ultimately resulting in infertility. To study the human cellular responses to chlamydial infection, researchers have frequently used transformed cell lines that can have limited translational relevance. We developed a primary human fallopian tube epithelial cell model based on a method previously established for culture of primary human bronchial epithelial cells. After protease digestion and physical dissociation of excised fallopian tubes, epithelial cell precursors were expanded in growth factor-containing medium. Expanded cells were cryopreserved to generate a biobank of cells from multiple donors and cultured at an air-liquid interface. Culture conditions stimulated cellular differentiation into polarized mucin-secreting and multiciliated cells, recapitulating the architecture of human fallopian tube epithelium. The polarized and differentiated cells were infected with a clinical isolate of C. trachomatis, and inclusions containing chlamydial developmental forms were visualized by fluorescence and electron microscopy. Apical secretions from infected cells contained increased amounts of proteins associated with chlamydial growth and replication, including transferrin receptor protein 1, the amino acid transporters SLC3A2 and SLC1A5, and the T-cell chemoattractants CXCL10, CXCL11, and RANTES. Flow cytometry revealed that chlamydial infection induced cell surface expression of T-cell homing and activation proteins, including ICAM-1, VCAM-1, HLA class I and II, and interferon gamma receptor. This human fallopian tube epithelial cell culture model is an important tool with translational potential for studying cellular responses to Chlamydia and other sexually transmitted pathogens.
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Affiliation(s)
- Bryan E McQueen
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Amy Kiatthanapaiboon
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
| | - M Leslie Fulcher
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Mariam Lam
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Kate Patton
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Emily Powell
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Avinash Kollipara
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Victoria Madden
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Robert J Suchland
- University of Washington, Division of Allergy and Infectious Diseases, Department of Medicine, Seattle, Washington, USA
| | - Priscilla Wyrick
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Catherine M O'Connell
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Boris Reidel
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Mehmet Kesimer
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Scott H Randell
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Toni Darville
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Uma M Nagarajan
- Department of Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, USA
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28
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Schertz M, Karni-Visel Y, Genizi J, Manishevitch H, Hershkowitz F, Lam M, Akawi A, Bikson M. P11 Adverse effects reported by children with ADHD undergoing transcranial direct current stimulation. Clin Neurophysiol 2020. [DOI: 10.1016/j.clinph.2019.12.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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29
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Veitch D, Smith H, Olabi B, Lam M, Patel A, Varma S. Response to ‘Long‐term outcomes of imiquimod‐treated lentigo maligna’. Clin Exp Dermatol 2020; 45:274. [DOI: 10.1111/ced.14090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2019] [Indexed: 11/27/2022]
Affiliation(s)
- D. Veitch
- Department of Dermatology NHS Treatment Centre Nottingham UK
| | - H. Smith
- Department of Dermatology NHS Treatment Centre Nottingham UK
| | - B. Olabi
- Department of Dermatology NHS Treatment Centre Nottingham UK
| | - M. Lam
- Department of Dermatology NHS Treatment Centre Nottingham UK
| | - A. Patel
- Department of Dermatology NHS Treatment Centre Nottingham UK
| | - S. Varma
- Department of Dermatology NHS Treatment Centre Nottingham UK
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Hughes J, Robb J, Lam M. Making Future-Ready Students with Design and the Internet of Things. EAI Endorsed Transactions on Creative Technologies 2020. [DOI: 10.4108/eai.13-7-2018.163096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Wahadat AR, Tanis W, Scholtens A, Bekker M, Graven L, Swart LE, Den Harder A, Lam M, De Heer L, Roos-Hesselink JW, Budde RPJ. 1050 Normal imaging findings after aortic valve implantation on 18f-fluorodeoxyglucose positron emission tomography with computed tomography and computed tomography angiography. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Purpose
Although 18F-Fluorodeoxyglucose (18F-FDG) Positron Emission Tomography (PET) with computed tomography (CT) and cardiac computed tomography angiography (CTA) are essential tools in diagnosing prosthetic heart valve (PHV) endocarditis, the normal imaging findings in the first year after PHV implantation on 18F-FDG-PET/CT and CTA have not been studied prospectively. We prospectively assessed the perivalvular FDG uptake at different time points after aortic PHV implantation and assessed the normal imaging findings on CTA.
Materials and methods
Patients who had undergone uncomplicated aortic PHV implantation were included and underwent 18F-FDG PET/CT and CTA at 5(±1) weeks (group 1), 12(±2) weeks (group 2) or 52(±8) weeks (group 3) after implantation. After a preparatory diet to suppress normal myocardial glucose uptake, FDG uptake in the myocardium as well as around the PHV was scored using the Qualification Visual Score for Hypermetabolism (QVSH) as "none" (< mediastinum), "low" (> mediastinum but < liver), "intermediate" (> liver), or "high" (intense uptake) and quantitative analysis was performed with maximum Standardized Uptake Value (SUVmax) and target to background ratio (SUVratio) on standardized European Association of Nuclear Medicine Research Ltd. (EARL) reconstructions by an experienced nuclear medicine physician. CTA was analysed for image quality, artefacts and stranding of the peri-aortic fat by a cardiac radiologist.
Results
In total 37 patients (group 1: n = 12, group 2: n = 12, group 3: n = 13) (age 66 ± 8 years) were included. Myocardial FDG uptake was intermediate or less in 29/37 scans (78%). QVSH around the PHV was 8/12(67%) low and 4/12(33%) intermediate in group 1, 7/12(58%) low and 5/12(42%) intermediate in group 2 and 8/13(62%) low and 5/13(38%) intermediate in group 3 (p = 0.91). No scan was scored as "none" or "high". EARL SUVmax was 3.48 ± 0.57, 3.50 ± 0.59 and 3.34 ± 0.55 (mean ± SD, p = 0.77) and EARL SUVratio was 2.00 ± 0.29, 1.96 ± 0.41 and 1.71 ± 0.26 (mean ± SD, p = 0.07) for groups 1, 2 and 3, respectively.
One patient in group 3 refused to undergo the additional CTA and one CTA in group 3 could not be analysed for image quality and artefacts due to techniqual difficulties. Overall CTA image quality was "good" or "excellent" with an artefact score of "virtually none" or "mild" in most cases (n = 33, 94%). Stranding of peri-aortic fat was seen in 27/35 (77%) of these patients (group 1: n = 11; group 2: n = 9; group 3: n = 7) with no signs of FDG uptake on PET/CT scan.
Conclusion
Baseline FDG uptake around aortic PHV at 5, 12 and 52 weeks after implantation is similar and mild in the majority of cases with an overall mean SUVmax and SUVratio of 3.44 ± 0.56 and 1.89 ± 0.34 respectively. CTA revealed baseline post-surgical findings in the first year after PHV implantation.
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Affiliation(s)
- A R Wahadat
- Erasmus University Medical Centre, Rotterdam, Netherlands (The)
| | - W Tanis
- Haga University Hospital, Cardiology, The Hague, Netherlands (The)
| | - A Scholtens
- Meander Medical Center, Amersfoort, Netherlands (The)
| | - M Bekker
- Erasmus University Medical Centre, Rotterdam, Netherlands (The)
| | - L Graven
- Erasmus University Medical Centre, Rotterdam, Netherlands (The)
| | - L E Swart
- Erasmus University Medical Centre, Rotterdam, Netherlands (The)
| | - A Den Harder
- University Medical Center Utrecht, Nuclear Medicine, Utrecht, Netherlands (The)
| | - M Lam
- University Medical Center Utrecht, Nuclear Medicine, Utrecht, Netherlands (The)
| | - L De Heer
- University Medical Center Utrecht, Nuclear Medicine, Utrecht, Netherlands (The)
| | | | - R P J Budde
- Erasmus University Medical Centre, Rotterdam, Netherlands (The)
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Roth T, Dorenbaum A, Jaros M, Lam M. Are reports of mental fog from patients with idiopathic hypersomnia mediated by objective measures of daytime sleepiness? Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.917] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Roth T, Rosenthal L, Avidan A, Baio N, Dorenbaum A, Lam M, Thorpy M. Baseline characteristics of idiopathic hypersomnia subjects enrolled in a clinical trial (ARISE2). Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.918] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Roth T, Rosenthal L, Dorenbaum A, Baio N, Lam M, Avidan A. Characteristics of subjects excluded form an idiopathic hypersomnia randomized clinical trial (ARISE2). Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.916] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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35
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Blanchette P, Lam M, Richard L, Allen B, Shariff S, Vandenberg T, Pritchard K, Chan K, Louie A, Desautels D, Raphael J, Earle C. Predictors of adherence among post-menopausal women receiving adjuvant endocrine therapy for breast cancer in Ontario, Canada. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz240.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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36
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Lam M, Figueroa J, Orav E, Jha A. Are Oncologists Leaving Smaller Practices over Time? Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kim D, Lee H, Mahal B, Lam M, Ng A. Response to Hyperfractionated Accelerated Radiotherapy in Chemotherapy-Refractory Non-Hodgkin’s Lymphoma. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Oumar Bah A, Lam M, Bah A, Bowong S. Theoretical assessment of the impact of desert aerosols on the dynamical transmission of meningitidis serogroup A. INT J BIOMATH 2019. [DOI: 10.1142/s1793524519500608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This paper has been motivated by the following biological question: how influential are desert aerosols in the transmission of meningitidis serogroup A (MenA)? A mathematical model for the dynamical transmission of MenA is considered, with the aim of investigating the impact of desert aerosols. Sensitivity analysis of the model has been performed in order to determine the impact of related parameters on meningitis outbreak. We derive the basic reproduction number [Formula: see text]. We prove that there exists a threshold parameter [Formula: see text] such that when [Formula: see text], the disease-free equilibrium is globally asymptotically stable (GAS). However, when [Formula: see text], the model exhibits the phenomenon of backward bifurcation. At the endemic level, we show that the number of infectious individuals in the presence of desert aerosols is larger than the corresponding number without the presence of desert aerosols. In conjunction with the inequality [Formula: see text] where [Formula: see text] is the basic reproduction number without desert aerosols, we found that the ingestion of aerosols by carriers will increase the endemic level, and the severity of the outbreak. This suggests that the control of MenA passes through a combination of a large coverage vaccination of young susceptible individuals and the production of a vaccine with a high level of efficacy as well as respecting the hygienic rules to avoid the inhalation of desert aerosols. Theoretical results are supported by numerical simulations.
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Affiliation(s)
- A. Oumar Bah
- Department of Mathematics, Faculty of Science and Technic, Université Cheikh Anta Diopde Dakar, Dakar-Fann, Senegal
| | - M. Lam
- Department of Mathematics, Faculty of Science and Technic, Université Cheikh Anta Diopde Dakar, Dakar-Fann, Senegal
| | - A. Bah
- Department of Computer Engineering, National Advanced School of Engineering, Université Cheikh Anta Diopde Dakar, Dakar-Fann, Senegal
| | - S. Bowong
- Laboratory of Mathematics, Department of Mathematics, and Computer Science, Faculty of Science, University of Douala, P. O. Box 24157, Douala, Cameroon
- UMI 209 IRD and UPMC UMMISCO, 32 Avenue Henri Varagnat, 93143 Bondy Cedex, France
- Project Team GRIMCAPE, University of Yaoundé, Yaoundé, Cameroon
- The African Center of Excellence in Information, and Communication Technologies (CETIC), National Advanced School of Engineering, University of Yaoundé 1, Yaoundé, Cameroon
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Affiliation(s)
- H Smith
- Department of Dermatology, NHS Treatment Centre, Nottingham, U.K
| | - B Olabi
- Department of Dermatology, NHS Treatment Centre, Nottingham, U.K.,Department of Dermatology, Lauriston Buildings, Edinburgh, U.K
| | - M Lam
- Department of Dermatology, NHS Treatment Centre, Nottingham, U.K
| | - A Patel
- Department of Dermatology, NHS Treatment Centre, Nottingham, U.K
| | - S Varma
- Department of Dermatology, NHS Treatment Centre, Nottingham, U.K
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Balde C, Lam M, Bah A, Bowong S, Tewa JJ. Theoretical assessment of the impact of environmental contamination on the dynamical transmission of polio. INT J BIOMATH 2019. [DOI: 10.1142/s1793524519500128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A mathematical model for the dynamical transmission of polio is considered, with the aim of investigating the impact of environment contamination. The model captures two infection pathways through both direct human-to-human transmission and indirect human-to-environment-to-human transmission by incorporating the environment as a transition and/or reservoir of viruses. We derive the basic reproduction number [Formula: see text]. We show that the disease free equilibrium is globally asymptotically stable (GAS) if [Formula: see text], while if [Formula: see text], there exists a unique endemic equilibrium which is locally asymptotically stable (LAS). Similar results hold for environmental contamination free sub-model (without the incorporation of the indirect transmission). At the endemic level, we show that the number of infected individuals for the model with the environmental-related contagion is greater than the corresponding number for the environmental contamination free sub-model. In conjunction with the inequality [Formula: see text], where [Formula: see text] is the basic reproduction number for the environmental contamination free sub-model, our finding suggests that the contaminated environment plays a detrimental role on the transmission dynamics of polio disease by increasing the endemic level and the severity of the outbreak. Therefore, it is natural to implement control strategies to reduce the severity of the disease by providing adequate hygienic living conditions, educate populations at risk to follow rigorously those basic hygienic rules in order to avoid adequate contacts with suspected contaminated objects. Further, we perform numerical simulations to support the theory.
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Affiliation(s)
- C. Balde
- Department of Mathematics, Faculty of Science and Technic, University Cheikh Anta Diop, Dakar, Senegal
| | - M. Lam
- Department of Mathematics, Faculty of Science and Technic, University Cheikh Anta Diop, Dakar, Senegal
| | - A. Bah
- Department of Computer Engineering, National Advanced School of Engineering, University Cheikh Anta Diop, Dakar, Senegal
| | - S. Bowong
- Laboratory of Mathematics, Department of Mathematics and Computer Science, Faculty of Science, University of Douala, P. O. Box 24157 Douala, Cameroon
- IRD, Sorbonne University, UHHISCO, F-93143, Bondy, France
- Team GRIMCAPE, Yaounde, Cameroon
- The African Center of Excellence in Information, and Communication Technologies (CETIC), University of Yaounde 1, Cameroon
| | - J. J. Tewa
- National Advanced School of Engineering, University of Yaounde I, P. O. Box 8390 Yaounde, Cameroon
- IRD, Sorbonne University, UHHISCO, F-93143, Bondy, France
- Team GRIMCAPE, Yaounde, Cameroon
- The African Center of Excellence in Information, and Communication Technologies (CETIC), University of Yaounde 1, Cameroon
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Siu BW, Lam M. Forensic Psychiatric Services in Hong Kong. East Asian Arch Psychiatry 2018; 28:111-113. [PMID: 30563946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Affiliation(s)
- B Wm Siu
- Department of Forensic Psychiatry, Castle Peak Hospital, New Territories, Hong Kong
| | - M Lam
- Department of General Adult Psychiatry, Castle Peak Hospital, New Territories, Hong Kong
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Siu BW, Chan O, Au-Yeung CC, Chow KK, Liu AC, Tang DY, Lui SH, Cheung EF, Lam M. Profiling Mentally Ill Offenders in Hong Kong: a 5-year Retrospective Review Study. East Asian Arch Psychiatry 2018; 28:114-121. [PMID: 30563947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
OBJECTIVES This study aimed to determine the prevalence of mental illness in offenders referred to psychiatrists from January 2011 to March 2016 and any associations between crime and mental illness in these offenders. METHODS Case notes of offenders referred to psychiatrists at the Siu Lam Psychiatric Centre from 1 January 2011 to 31 March 2016 were reviewed. Data on sex, age on admission, educational level, principal psychiatric diagnosis, index offence, source and reason of referral, and outcome were collected. RESULTS Case notes were reviewed for 4492 offenders (75% males) aged 14 to 93 (mean, 40.6) years. Of these, 68% were referred by the courts for psychiatric report and 32% were referred by correctional institutions for psychiatric assessment and treatment. Approximately 73% of them had a diagnosable mental disorder. The most common principal psychiatric diagnoses were schizophrenia and related disorders (25%), mental and behavioural disorders due to psychoactive substance use (20%), and mood disorders (9%). The most common index offences were theft and related offences (22%), acts intended to cause injury (20%), and illicit drug offences (11%). Offences involving violence were more prevalent in males than in females (p < 0.001). In terms of the three most common principal psychiatric diagnoses, 'acts intended to cause injury' was most prevalent in those with 'schizophrenia and other related disorders' than in those with the other two diagnoses (31% vs 19% vs 17%, p < 0.001). 'Theft and related offences' was most prevalent in those with mood disorders than in those with other two diagnoses (38% vs 20% vs 18%, p < 0.001). 'Illicit drug offences' was most prevalent in those with 'mental and behavioural disorders due to psychoactive substance' than those with other two diagnoses (22% vs 8% vs 6%, p < 0.001). CONCLUSIONS The prevalence of mental disorders among offenders referred to psychiatrists is high. The pattern of associations between crime and mental disorders in these offenders is comparable with that reported in overseas studies. As Siu Lam Psychiatric Centre is the only facility in Hong Kong for mentally ill offenders, our sample is representative, and our results provide cross-sectional pattern of forensic psychiatric service utilisation in Hong Kong.
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Affiliation(s)
- B Wm Siu
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - O Chan
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - C Cy Au-Yeung
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - K Kw Chow
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - A Cy Liu
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - D Yy Tang
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | - S H Lui
- Department of Forensic Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
| | | | - M Lam
- Department of General Adult Psychiatry, Castle Peak Hospital, Hong Kong SAR, China
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Lam M, Figueroa J, Reimold K, Orav E, Jha A. End of Life Spending among Cancer Patients in an ACO vs. non-ACO. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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44
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Lam M, Burke L, Reimold K, Orav E, Jha A. Healthy Days at Home: A Population-Based Quality Measure for Cancer Patients at the End of Life? Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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45
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Louhanepessy R, Badrising S, Vd Noort V, Coenen J, Oostdijk A, Hamberg P, Zuetenhorst J, Beeker A, Wagenaar N, Lam M, Celik F, Vegt E, Zwart W, Bergman A. Pain and quality of life in metastasized Castration Resistant Prostate Cancer patients treated with Radium-223 (ROTOR registry): A prospective observational registry in a non-study population. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy284.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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46
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Smith H, Lam M, Patel A. First reported case of dermatofibrosarcoma in siblings. Clin Exp Dermatol 2018; 44:466-467. [PMID: 30267446 DOI: 10.1111/ced.13788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2018] [Indexed: 11/28/2022]
Affiliation(s)
- H Smith
- Dermatology Department, Gateway A, The Treatment Centre, Circle Nottingham, Lister Road, Nottingham, NG7 2FT, UK
| | - M Lam
- Dermatology Department, Gateway A, The Treatment Centre, Circle Nottingham, Lister Road, Nottingham, NG7 2FT, UK
| | - A Patel
- Dermatology Department, Gateway A, The Treatment Centre, Circle Nottingham, Lister Road, Nottingham, NG7 2FT, UK
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Shahsavani M, Pronk RJ, Falk R, Lam M, Moslem M, Linker SB, Salma J, Day K, Schuster J, Anderlid BM, Dahl N, Gage FH, Falk A. An in vitro model of lissencephaly: expanding the role of DCX during neurogenesis. Mol Psychiatry 2018; 23:1674-1684. [PMID: 28924182 DOI: 10.1038/mp.2017.175] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 06/09/2017] [Accepted: 07/12/2017] [Indexed: 12/22/2022]
Abstract
Lissencephaly comprises a spectrum of brain malformations due to impaired neuronal migration in the developing cerebral cortex. Classical lissencephaly is characterized by smooth cerebral surface and cortical thickening that result in seizures, severe neurological impairment and developmental delay. Mutations in the X-chromosomal gene DCX, encoding doublecortin, is the main cause of classical lissencephaly. Much of our knowledge about DCX-associated lissencephaly comes from post-mortem analyses of patient's brains, mainly since animal models with DCX mutations do not mimic the disease. In the absence of relevant animal models and patient brain specimens, we took advantage of induced pluripotent stem cell (iPSC) technology to model the disease. We established human iPSCs from two males with mutated DCX and classical lissencephaly including smooth brain and abnormal cortical morphology. The disease was recapitulated by differentiation of iPSC into neural cells followed by expression profiling and dissection of DCX-associated functions. Here we show that neural stem cells, with absent or reduced DCX protein expression, exhibit impaired migration, delayed differentiation and deficient neurite formation. Hence, the patient-derived iPSCs and neural stem cells provide a system to further unravel the functions of DCX in normal development and disease.
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Affiliation(s)
- M Shahsavani
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - R J Pronk
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - R Falk
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - M Lam
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - M Moslem
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - S B Linker
- Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - J Salma
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - K Day
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - J Schuster
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - B-M Anderlid
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - N Dahl
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - F H Gage
- Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - A Falk
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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AbdelRazek M, Khalaf M, Abdelmaksoud M, Lam M, Wang D, Louie J, Sze D. 3:27 PM Abstract No. 124 MIRD-based activity calculation may improve outcomes over body surface area for resin microsphere radioembolization of metastatic colorectal carcinoma. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Chan DL, Thompson R, Lam M, Pavlakis N, Hallet J, Law C, Singh S, Myrehaug S. External Beam Radiotherapy in the Treatment of Gastroenteropancreatic Neuroendocrine Tumours: A Systematic Review. Clin Oncol (R Coll Radiol) 2018; 30:400-408. [PMID: 29615284 DOI: 10.1016/j.clon.2018.03.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [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: 11/05/2017] [Revised: 02/15/2018] [Accepted: 03/16/2018] [Indexed: 12/16/2022]
Abstract
AIMS External beam radiotherapy (EBRT) is infrequently used to treat gastroenteropancreatic neuroendocrine tumours (GEPNETS), with little published data to date. We carried out a systematic review to assess the activity of EBRT for GEPNETS. MATERIALS AND METHODS Major databases were searched for papers including at least five patients treated with contemporary EBRT techniques. Eligible studies underwent dual independent review. The primary end points were response rate for lesions treated with definitive intent and recurrence-free survival for primary lesions treated with neoadjuvant or adjuvant intent. RESULTS Of 11 included studies (all retrospective), seven investigated pancreatic neuroendocrine tumours (PNETs, 100 patients, 14% grade 3) and four studies investigated extra-pancreatic neuroendocrine tumours (84 patients, 14% grade 3). Trials investigating PNETs administered a median of 50.4 Gy via three-dimensional conformal radiotherapy and intensity-modulated radiotherapy. EBRT was given with neoadjuvant or adjuvant intent in 56 patients, with a recurrence rate of 15%. For the 44 patients not undergoing surgery, the radiological response rate was 46%. Grade 3 + toxicity rates were 11% (acute) and 4% (late). Twelve patients with anorectal neuroendocrine carcinoma received 58 Gy to the primary tumour. Seventy-two patients were treated to sites of metastatic disease (34 bone, 27 brain, 11 soft tissue). Local and distant control were poorly reported. Overall survival ranged from 9 to 19 months. No studies in this group reported toxicity outcomes. CONCLUSIONS There are limited, retrospective data on the overall activity and safety of EBRT in GEPNETS. EBRT generally seems to be well tolerated in selected PNET patients with encouraging activity. Well-designed prospective studies in clearly defined populations are required to clarify the role of EBRT in neuroendocrine tumours.
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Affiliation(s)
- D L Chan
- Department of Medical Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - R Thompson
- Department of Radiation Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - M Lam
- University of Western Ontario, London, Canada
| | - N Pavlakis
- Department of Medical Oncology, Royal North Shore Hospital, Sydney, Australia
| | - J Hallet
- Department of Surgical Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - C Law
- Department of Surgical Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - S Singh
- Department of Medical Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - S Myrehaug
- Department of Radiation Oncology, Sunnybrook Health Sciences Centre, Toronto, Canada.
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Tang MHY, Ching CK, Poon S, Chan SSS, Ng WY, Lam M, Wong CK, Pao R, Lau A, Mak TWL. Evaluation of three rapid oral fluid test devices on the screening of multiple drugs of abuse including ketamine. Forensic Sci Int 2018; 286:113-120. [PMID: 29574346 DOI: 10.1016/j.forsciint.2018.03.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 02/23/2018] [Accepted: 03/02/2018] [Indexed: 11/28/2022]
Abstract
Rapid oral fluid testing (ROFT) devices have been extensively evaluated for their ability to detect common drugs of abuse; however, the performance of such devices on simultaneous screening for ketamine has been scarcely investigated. The present study evaluated three ROFT devices (DrugWipe® 6S, Ora-Check® and SalivaScreen®) on the detection of ketamine, opiates, methamphetamine, cannabis, cocaine and MDMA. A liquid chromatography tandem mass spectrometry (LCMS) assay was firstly established and validated for confirmation analysis of the six types of drugs and/or their metabolites. In the field test, the three ROFT devices were tested on subjects recruited from substance abuse clinics/rehabilitation centre. Oral fluid was also collected using Quantisal® for confirmation analysis. A total of 549 samples were collected in the study. LCMS analysis on 491 samples revealed the following drugs: codeine (55%), morphine (49%), heroin (40%), methamphetamine (35%), THC (8%), ketamine (4%) and cocaine (2%). No MDMA-positive cases were observed. Results showed that the overall specificity and accuracy were satisfactory and met the DRUID standard of >80% for all 3 devices. Ora-Check® had poor sensitivities (ketamine 36%, methamphetamine 63%, opiates 53%, cocaine 60%, THC 0%). DrugWipe® 6S showed good sensitivities in the methamphetamine (83%) and opiates (93%) tests but performed relatively poorly for ketamine (41%), cocaine (43%) and THC (22%). SalivaScreen® also demonstrated good sensitivities in the methamphetamine (83%) and opiates (100%) tests, and had the highest sensitivity for ketamine (76%) and cocaine (71%); however, it failed to detect any of the 28 THC-positive cases. The test completion rate (proportion of tests completed with quality control passed) were: 52% (Ora-Check®), 78% (SalivaScreen®) and 99% (DrugWipe® 6S).
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Affiliation(s)
| | - C K Ching
- Hospital Authority Toxicology Reference Laboratory, Hong Kong, China.
| | - Simon Poon
- Hospital Authority Toxicology Reference Laboratory, Hong Kong, China.
| | - Suzanne S S Chan
- Hospital Authority Toxicology Reference Laboratory, Hong Kong, China.
| | - W Y Ng
- Hospital Authority Toxicology Reference Laboratory, Hong Kong, China.
| | - M Lam
- Department of General Adult Psychiatry, Castle Peak Hospital, Hong Kong, China.
| | - C K Wong
- Department of Psychiatry, Pamela Youde Nethersole Eastern Hospital, Hong Kong, China.
| | - Ronnie Pao
- Substance Abuse Assessment Unit, Kwai Chung Hospital, Hong Kong, China.
| | - Angus Lau
- The Society of Rehabilitation and Crime Prevention, Hong Kong, China.
| | - Tony W L Mak
- Hospital Authority Toxicology Reference Laboratory, Hong Kong, China.
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