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https://www.readbyqxmd.com/read/28475782/seasonal-outbreak-of-bacillus-bacteremia-associated-with-contaminated-linen-in-hong-kong
#1
Vincent C C Cheng, Jonathan H K Chen, Sally S M Leung, Simon Y C So, Shuk-Ching Wong, Sally C Y Wong, Herman Tse, Kwok-Yung Yuen
Background: A high seasonal incidence of Bacillus bacteremia was associated with the use of contaminated hospital linens. Methods: An outbreak investigation was conducted to study the incidence and source of Bacillus bacteremia during the baseline, outbreak, and postoutbreak period from 1 January 2012 through 31 July 2016 at a university-affiliated teaching hospital in Hong Kong. Replicate organism detection and counting plates were used for microbial screening of linen samples...
May 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28454553/ambulatory-oxygen-in-fibrotic-lung-disease-ambox-study-protocol-for-a-randomised-controlled-trial
#2
Dina Visca, Vicky Tsipouri, Letizia Mori, Ashi Firouzi, Sharon Fleming, Morag Farquhar, Elizabeth Leung, Toby M Maher, Paul Cullinan, Nick Hopkinson, Athol U Wells, Winston Banya, Jennifer A Whitty, Huzaifa Adamali, Lisa G Spencer, Piersante Sestini, Elisabetta A Renzoni
BACKGROUND: Fibrotic interstitial lung diseases (ILDs) are chronic and often progressive conditions resulting in substantial morbidity and mortality. Shortness of breath, a symptom often linked to oxygen desaturation on exertion, is tightly linked to worsening quality of life in these patients. Although ambulatory oxygen is used empirically in their treatment, there are no ILD-specific guidelines on its use. To our knowledge, no studies are available on the effects of ambulatory oxygen on day-to-day life in patients with ILD...
April 28, 2017: Trials
https://www.readbyqxmd.com/read/28437538/effects-of-diagnosis-by-newborn-screening-for-cystic-fibrosis-on-weight-and-length-in-the-first-year-of-life
#3
Daniel H Leung, Sonya L Heltshe, Drucy Borowitz, Daniel Gelfond, Margaret Kloster, James E Heubi, Michael Stalvey, Bonnie W Ramsey
Importance: Since the implementation of universal newborn screening (NBS) for cystic fibrosis (CF), the timing and magnitude of growth deficiency or its association with correlates of disease among infants with CF who underwent NBS has not been well described. Objective: To examine incremental weight gain, linear growth, and clinical features in the first year of life among infants with CF who underwent NBS. Design, Setting, and Participants: The Baby Observational and Nutrition Study (BONUS), a multicenter, longitudinal, observational cohort study, was conducted during regular CF clinic visits in the first 12 months of life at 28 US Cystic Fibrosis Foundation-accredited Care Centers from January 7, 2012, through May 31, 2015...
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28431336/beam-induced-back-streaming-electron-suppression-analysis-for-an-accelerator-type-neutron-generator-designed-for-40-ar-39-ar-geochronology
#4
Cory Waltz, Mauricio Ayllon, Tim Becker, Lee Bernstein, Ka-Ngo Leung, Leo Kirsch, Paul Renne, Karl Van Bibber
A facility based on a next-generation, high-flux D-D neutron generator has been commissioned and it is now operational at the University of California, Berkeley. The current generator designed for (40)Ar/(39)Ar dating of geological materials produces nearly monoenergetic 2.45MeV neutrons at outputs of 10(8)n/s. The narrow energy range is advantageous relative to the (235)U fission spectrum neutrons due to (i) reduced (39)Ar recoil energy, (ii) minimized production of interfering argon isotopes from K, Ca, and Cl, and (iii) reduced total activity for radiological safety and waste generation...
April 13, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28401619/non-compliance-to-infectious-disease-deferral-criteria-among-hong-kong-s-blood-donors
#5
S S Lee, E K H Cheung, J N S Leung, C K Lee
BACKGROUND AND OBJECTIVES: Donor screening alone cannot eliminate the risk of transfusion-transmitted HIV infection. Donor deferral according to established criteria is a supplemental strategy, which has focused largely on men who have sex with men (MSM). A study was conducted to determine the compliance of non-MSM donors with such criteria and examine its implications on blood safety. MATERIALS AND METHODS: Chinese donors who have just donated blood at blood donor centres in Hong Kong were recruited...
April 11, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28385030/consumer-directed-health-plans-do-doctors-and-nurses-buy-in
#6
Lucinda B Leung, José J Escarce
OBJECTIVES: Aiming to increase healthcare value, consumer-directed health plans (CDHPs)-high-deductible health insurance plus a personal spending account-equip enrollees with decision-support tools and expose them to the financial implications of their medical decisions. This study examines whether medically knowledgeable consumers are more or less likely to select a CDHP than individuals without medical knowledge. STUDY DESIGN: Using University of California Los Angeles (UCLA) human resources data, our observational cross-sectional study analyzed the health plan enrollment choices of 3552 faculty and 8429 staff employees...
March 1, 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28344716/an-examination-of-entrance-criteria-for-international-medical-graduates-imgs-into-canadian-psychiatry-residency-programs
#7
Ashok Soma, Mathew Myatt, Mario McKenna, Soma Ganesa, Ka Wai Leung
BACKGROUND: Although international medical graduates (IMGs) are essential in health care service delivery, a gap exists in the literature about how IMGs are selected into psychiatry residency programs in Canada. The purpose of this study was to identify the relative weight or importance that Canadian program directors (PDs) of psychiatry place on certain selection criteria when matching IMGs into residency programs. METHODS: We electronically distributed a web-based questionnaire to 16 university residency program directors of psychiatry in Canada...
February 2017: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/28320236/prevention-of-early-onset-group-b-streptococcal-disease-by-universal-antenatal-culture-based-screening-in-all-public-hospitals-in-hong-kong
#8
Teresa W L Ma, Viola Chan, C H So, Annie S Y Hui, C N Lee, Amelia P W Hui, P L So, C W Kong, Barbara Fung, K Y Leung
OBJECTIVES: To determine the prevalence of maternal colonization with group B streptococcus (GBS), and early onset GBS disease (EOGBSD) after implementation of universal screening. METHODS: This was a three-year retrospective cohort study on universal antenatal rectovaginal culture-based screening and intrapartum antimicrobial prophylaxis (IAP) to colonized women in the public sector in Hong Kong. Routinely collected data including maternal colonization and EOGBSD were retrieved...
March 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28318043/the-effects-of-pregnancy-on-the-pharmacokinetics-of-infliximab-and-adalimumab-in-inflammatory-bowel-disease
#9
C H Seow, Y Leung, N Vande Casteele, E Ehteshami Afshar, D Tanyingoh, G Bindra, M J Stewart, P L Beck, G G Kaplan, S Ghosh, R Panaccione
BACKGROUND: Transplacental transfer of infliximab and adalimumab results in detectable drug levels in the cord blood and infant. AIM: To determine if pregnancy influenced the pharmacokinetics of anti-TNF agents in women with inflammatory bowel disease. METHODS: Twenty-five women from the University of Calgary inflammatory bowel disease(IBD) pregnancy clinic on maintenance infliximab or adalimumab were recruited prospectively with serum bio-banking performed each trimester...
May 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28253484/identification-of-fragile-x-pre-mutation-carriers-in-the-chinese-obstetric-population-using-a-robust-fmr1-polymerase-chain-reaction-assay-implications-for-screening-and-prenatal-diagnosis
#10
Y Ky Cheng, C Sw Lin, Y Ky Kwok, Y M Chan, T K Lau, T Y Leung, K W Choy
INTRODUCTION: There is significant morbidity associated with fragile X syndrome. Unfortunately, most maternal carriers are clinically silent during their reproductive years. Because of this, many experts have put forward the notion of preconception or prenatal fragile X carrier screening for females. This study aimed to determine the prevalence of fragile X syndrome pre-mutation and asymptomatic full-mutation carriers in a Chinese pregnant population, and the distribution of cytosine-guanine-guanine (CGG) repeat numbers using a robust fragile X mental retardation 1 (FMR1) polymerase chain reaction assay...
March 3, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28243586/development-and-evaluation-of-a-train-the-trainer-workshop-for-hong-kong-community-social-service-agency-staff
#11
Qianling Zhou, Sunita M Stewart, Alice Wan, Charles Sai-Cheong Leung, Agnes Y Lai, Tai Hing Lam, Sophia Siu-Chee Chan
INTRODUCTION: Capacity building approaches are useful in large-scale community-based health promotion interventions. However, models to guide and evaluate capacity building among social service agency staff in community settings are rare in the literature. This paper describes the development and evaluation of a 1-day (7 h) train-the-trainer (TTT) workshop for the "Enhancing Family Well-Being Project". The workshop aimed at equipping staff from different community agencies with the knowledge and skills to design, implement, and evaluate positive psychology-based interventions for their clients in Sham Shui Po, an over-crowded and low-income district in Hong Kong...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28238957/temporal-trends-in-initiation-of-therapy-with-tumor-necrosis-factor-antagonists-for-patients-with-inflammatory-bowel-disease-a-population-based-analysis
#12
Laura E Targownik, Aruni Tenakaroon, Stella Leung, Lisa M Lix, Harminder Singh, Charles N Bernstein
BACKGROUND & AIMS: Anti-tumor necrosis factor (anti-TNF) agents are effective treatments for Crohn's disease (CD) and ulcerative colitis (UC). We aimed to determine their patterns of use and changes in these patterns over time, as well as use of immunomodulators and corticosteroids before anti-TNF therapy for persons with inflammatory bowel diseases. METHODS: We used the University of Manitoba IBD Epidemiology Database to identify all anti-TNF users with CD and UC from 2001 through 2014...
February 24, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28149842/inertia-based-microfluidic-capture-and-characterisation-of-circulating-tumour-cells-for-the-diagnosis-of-lung-cancer
#13
Dimple Y Chudasama, Daria V Freydina, Maxim B Freidin, Maria Leung, Angeles Montero Fernandez, Alexandra Rice, Andrew G Nicholson, Emmanouil Karteris, Vladimir Anikin, Eric Lim
BACKGROUND: Routine clinical application of circulating tumour cells (CTCs) for blood based diagnostics is yet to be established. Despite growing evidence of their clinical utility for diagnosis, prognosis and treatment monitoring, the efficacy of a robust platform and universally accepted diagnostic criteria remain uncertain. We evaluate the diagnostic performance of a microfluidic CTC isolation platform using cytomorphologic criteria in patients undergoing lung cancer surgery. METHODS: Blood was processed from 51 patients undergoing surgery for known or suspected lung cancer using the ClearBridge ClearCell FX system(TM) (ClearBridge Biomedics, Singapore)...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28147464/acute-appendicitis-in-adults-diagnostic-accuracy-of-emergency-doctors-in-a-university-hospital-in-hong-kong
#14
Yuk-Ki Leung, Cangel Py Chan, Colin A Graham, Timothy H Rainer
OBJECTIVE: The aim of this study was to assess the diagnostic accuracy of ED doctors with variable training levels in detecting acute appendicitis, without access to advanced imaging in admitted patients with acute abdominal pain in a university hospital of Hong Kong. METHODS: A retrospective analysis was performed on data collected from prospectively identified patients presenting to the ED with acute abdominal pain and admitted to either a surgical or emergency medical ward between December 2011 and October 2012...
February 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28047670/su-f-p-20-predicting-waiting-times-in-radiation-oncology-using-machine-learning
#15
A Joseph, D Herrera, T Hijal, L Hendren, A Leung, J Wainberg, M Sawaf, M Gorshkov, R Maglieri, M Keshavarz, J Kildea
PURPOSE: Waiting times remain one of the most vexing patient satisfaction challenges facing healthcare. Waiting time uncertainty can cause patients, who are already sick or in pain, to worry about when they will receive the care they need. These waiting periods are often difficult for staff to predict and only rough estimates are typically provided based on personal experience. This level of uncertainty leaves most patients unable to plan their calendar, making the waiting experience uncomfortable, even painful...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28025771/early-experience-with-laparoscopic-frey-procedure-for-chronic-pancreatitis-a-case-series-and-review-of-literature
#16
Daniel J Kilburn, Adrian K H Chiow, Universe Leung, Mehan Siriwardhane, David J Cavallucci, Richard Bryant, Nicholas A O'Rourke
The Frey procedure has been demonstrated to be an effective surgical technique to treat patients with painful large duct chronic pancreatitis. More commonly reported as an open procedure, we report our experience with a minimally invasive approach to the Frey procedure. Four consecutive patients underwent a laparoscopic Frey procedure at our institution from January 2012 to July 2015. We herein report our technique and describe short- and medium-term outcomes. The median age was 40 years old. The median duration of pancreatic pain prior to surgery was 12 years...
May 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28009741/colorectal-cancer-liver-metastases-and-concurrent-extrahepatic-disease-treated-with-resection
#17
Universe Leung, Mithat Gönen, Peter J Allen, T Peter Kingham, Ronald P DeMatteo, William R Jarnagin, Michael I D'Angelica
OBJECTIVE: The aim of the study was to evaluate outcomes after resection of colorectal liver metastases (CRLM) and concurrent extrahepatic disease (EHD), and to define prognostic factors. BACKGROUND: There is increasing evidence to support resection of liver metastases and concurrent EHD in selected patients. Long-term survival data are lacking, and prognostic factors are not well defined. METHODS: Retrospective review of 219 patients was undertaken between January 1992 and December 2012, who underwent hepatectomy for CRLM and resection of synchronous EHD...
January 2017: Annals of Surgery
https://www.readbyqxmd.com/read/27993329/an-mrna-gene-expression-based-signature-to-identify-fgfr1-amplified-estrogen-receptor-positive-breast-tumors
#18
Jingqin Luo, Shuzhen Liu, Samuel Leung, Alejandro A Gru, Yu Tao, Jeremy Hoog, Julie Ho, Sherri R Davies, D Craig Allred, Andrea L Salavaggione, Jacqueline Snider, Elaine R Mardis, Torsten O Nielsen, Matthew J Ellis
Fibroblast growth factor receptor 1 (FGFR1) amplification drives poor prognosis and is an emerging therapeutic target. We sought to construct a multigene mRNA expression signature to efficiently identify FGFR1-amplified estrogen receptor-positive (ER(+)) breast tumors. Five independent breast tumor series were analyzed. Genes discriminative for FGFR1 amplification were screened transcriptome-wide by receiver operating characteristic analyses. The METABRIC series was leveraged to construct/evaluate four approaches to signature composition...
January 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/27986182/episiotomy-technique-and-management-of-anal-sphincter-tears-a-survey-of-clinical-practice-and-education
#19
Rebecca Menzies, Marian Leung, Nirmala Chandrasekaran, Andrea Lausman, Michael Geary
OBJECTIVE: To ascertain current techniques of episiotomy used by obstetrics and gynaecology faculty members and residents in an academic department and to determine the current management strategies for third and fourth degree tears. METHOD: A 14-question anonymous online survey was circulated to all faculty members and residents in the University of Toronto Department of Obstetrics and Gynaecology between October 2015 and March 2016. Results were analyzed descriptively or with Fisher exact test...
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/27968905/the-effect-of-an-e-health-web-based-support-programme-on-psychological-outcomes-and-health-related-quality-of-life-among-chinese-patients-with-coronary-heart-disease-a-parallel-group-randomised-controlled-trial
#20
Eliza M L Wong, Sek Y Chair, Doris Y Leung, Janet W Sit, Aileen W Chan, Kai C Leung
BACKGROUND: Coronary heart disease is the leading global cause of death, and e-health web-based programmes are effective to support patients. However, fewstudieshave reported psychological outcomes and health related quality of life (HRQoL) in Chinese populations. This study aimed to investigate the effect of an e-health web-based support programme for patients with coronary heart disease on anxiety, depression, and HRQoL across six months. METHODS: This parallel-group, randomised controlled trial was conducted in two specialist clinics in Hong Kong, China...
October 2016: Lancet
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