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https://www.readbyqxmd.com/read/28549241/establishing-the-brief-assessment-of-cognition-short-form
#1
Max Lam, Mingyuan Wang, Wanping Huang, Goi Khia Eng, Attilio Rapisarda, Michael Kraus, Sim Kang, R S E Keefe, Jimmy Lee
The study aims to identify and validate a parsimonious subset of tests in the commonly used Brief Assessment of Cognition in Schizophrenia (BACS) that allows the evaluation of global cognitive ability. Several permutations of subtests from the BACS were examined to identify the best subset of tests to compose the short form measure. The Brief Assessment of Cognition-Short Form (BAC-SF) was evaluated for convergent validity in healthy and psychiatric samples (N = 3718). Verbal Memory, Digit Sequencing, and Symbol Coding subtests were found to best summarize the variance of composite scores in both Asian and US Norming samples (r = 0...
May 17, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28548661/co-evolution-with-staphylococcus-aureus-leads-to-lipopolysaccharide-alterations-in-pseudomonas-aeruginosa
#2
Mikael Tognon, Thilo Köhler, Bartosz G Gdaniec, Youai Hao, Joseph S Lam, Marie Beaume, Alexandre Luscher, Angus Buckling, Christian van Delden
Detrimental and beneficial interactions between co-colonizing bacteria may influence the course of infections. In cystic fibrosis (CF) airways, Staphylococcus aureus prevails in childhood, whereas Pseudomonas aeruginosa progressively predominates thereafter. While a range of interactions has been identified, it is unclear if these represent specific adaptations or correlated responses to other aspects of the environment. Here, we investigate how P. aeruginosa adapts to S. aureus by evolving P. aeruginosa in the presence and absence of S...
May 26, 2017: ISME Journal
https://www.readbyqxmd.com/read/28545958/efficacy-of-postoperative-radiation-treatment-for-bone-metastases-in-the-extremities
#3
Leah Drost, Vithusha Ganesh, Bo Angela Wan, Srinivas Raman, Stephanie Chan, Monique Christakis, May Tsao, Elizabeth Barnes, Michael Ford, Joel Finkelstein, Albert Yee, Angela Turner, Henry Lam, Edward Chow
BACKGROUND AND PURPOSE: Impending or pathological fractures due to bone metastases may require surgical fixation. Postoperative radiation is often recommended to reduce local progression and prevent prosthesis displacement, hence reducing the need for second surgery. The objectives of this study were to investigate the need for second surgery, and to report on rates of re-irradiation, tumor progression and prosthesis displacement following postoperative radiation. MATERIALS AND METHODS: Data were collected from 65 patients who received postoperative radiation to 74 sites in the extremities in a palliative radiation clinic between January 2009 and January 2017...
May 22, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28545476/prenatal-diagnosis-and-prevention-of-toxoplasmosis-in-pregnant-women-in-northern-vietnam-study-protocol
#4
G Suzanne A Smit, Thi Lam Binh Vu, Trung Dung Do, Niko Speybroeck, Brecht Devleesschauwer, Elizaveta Padalko, Ellen Roets, Pierre Dorny
BACKGROUND: In Vietnam, no systematic prenatal toxoplasmosis screening is in place, and only few studies have assessed the prevalence and importance of this zoonotic parasite infection. In addition, no studies have been conducted to assess the risk factors associated with toxoplasmosis. This study protocol was developed to determine the seroprevalence of toxoplasmosis in pregnant women in Hanoi and Thai Binh, Northern Vietnam, and to evaluate the association with risk factors and congenital toxoplasmosis...
May 25, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28545226/emergence-of-cd26-cancer-stem-cells-with-metastatic-properties-in-colorectal-carcinogenesis
#5
Alvin Ho-Kwan Cheung, Deepak Narayanan Iyer, Colin Siu-Chi Lam, Lui Ng, Sunny K M Wong, Hung-Sing Lee, Timothy Wan, Johnny Man, Ariel K M Chow, Ronnie T Poon, Roberta Pang, Wai-Lun Law
Colorectal cancer results from genetic aberrations which accumulate over a long period of time, with malignant and metastatic properties acquired at a relatively late stage. A subpopulation of CD26+ colorectal cancer stem cells are known to be implicated in metastasis. We quantified CD26+ cancer cells in 11 primary tumor samples by flow cytometry, and showed that tumors having confirmed or suspected metastases harbored a relatively high CD26+ level in these samples. We hypothesized that this subpopulation of cancer stem cells arises in the late stage of carcinogenesis from the bulk of tumor daughter cells which are CD26-...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28544787/analysis-of-adults-with-congenital-heart-disease-presenting-to-pediatric-emergency-departments-with-arrhythmias
#6
Shaun Mohan, Brady S Moffett, Wilson Lam, Caridad de la Uz, Christina Miyake, Santiago O Valdes, Jeffrey J Kim
OBJECTIVE: As survivors of congenital heart disease (CHD) continue to age, healthcare utilization by this population has increased. It is unknown how often these patients utilize the emergency department (ED) at children's hospitals and how arrhythmias play a role in their utilization of care. DESIGN: Using a retrospective cohort design, the Pediatric Hospital Information System (PHIS) database was investigated and we studied adults (≥18 years) with CHD (ACHD) who presented to pediatric EDs from 2004 to 2014...
May 22, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28544752/enantioselective-nickel-catalyzed-intramolecular-allylic-alkenylations-enabled-by-reversible-alkenylnickel-e-z-isomerization
#7
Connor Yap, Gabriel Mj Lenagh-Snow, Somnath N Karad, William Lewis, Louis J Diorazio, Hon Wai Lam
Enantioselective nickel-catalyzed arylative cyclizations of substrates containing a Z-allylic phosphate tethered to an alkyne are described. These reactions give multisubstituted chiral aza- and carbocycles, and are initiated by the addition of an arylboronic acid to the alkyne, followed by cyclization of the resulting alkenylnickel species onto the allylic phosphate. The reversible E/Z isomerization of the alkenylnickel species is essential for the success of the reactions.
May 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544307/afoxolaner-and-fluralaner-treatment-do-not-impact-on-cutaneous-demodex-populations-of-healthy-dogs
#8
Christine M Zewe, Laura Altet, Andrea T H Lam, Lluís Ferrer
BACKGROUND: Fluralaner and afoxolaner are isoxazolines licensed for the treatment of flea and tick infestations. Isoxazolines have also shown efficacy for treatment of demodicosis. Nothing is known about the impact of these compounds on the populations of Demodex in healthy dogs. HYPOTHESIS/OBJECTIVES: The objective of this study was to measure the prevalence of Demodex in the skin of healthy dogs prior to and following the use of either afoxolaner or fluralaner, using real-time PCR (RT-PCR) for Demodex DNA...
May 23, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28544075/dual-kidney-transplant-techniques-a-systematic-review
#9
Annelise Cocco, Sara Shahrestani, Nicholas Cocco, Ahmer Hameed, Lawrence Yuen, Brendan Ryan, Wayne Hawthorne, Vincent Lam, Henry Pleass
BACKGROUND: Dual kidney transplantation (DKT) was developed in order to improve outcomes from transplantation of extended criteria donors (ECD). This paper examined which surgical techniques have been reported for DKT, and whether any technique had superior patient and graft survival. METHOD: Electronic databases were searched for published studies mapping to MESH terms: ''kidney or renal" AND "transplan*" AND "dual or double". Single case reports; studies of patients less than 18 years old; studies which did not describe the surgical technique; and studies that did not report patient or graft survival were excluded...
May 23, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28542675/analgesic-effects-of-intravenous-acetaminophen-vs-placebo-for-endoscopic-sinus-surgery-and-postoperative-pain-a-randomized-clinical-trial
#10
Matthew A Tyler, Kent Lam, Faramarz Ashoori, Chunyan Cai, Joshua J Kain, Samer Fakhri, Martin J Citardi, Davide Cattano, Amber Luong
Importance: Intravenous acetaminophen is a commonly prescribed analgesic for the prevention and treatment of postsurgical pain. Its efficacy in the context of endoscopic sinus surgery (ESS) has yielded mixed results. Objective: To compare the efficacy of perioperative intravenous acetaminophen (IVAPAP) with that of placebo in improving early postoperative pain after endoscopic sinus surgery (ESS). Design, Setting, and Participants: A prospective, randomized clinical trial including 62 patients undergoing ESS for chronic rhinosinusitis in a single tertiary referral hospital...
May 25, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28542504/level-of-surgical-experience-is-associated-with-change-in-hip-center-of-rotation-following-cementless-total-hip-arthroplasty-a-radiographic-assessment
#11
Seung-Chan Kim, Young-Wook Lim, Soon-Yong Kwon, Woo-Lam Jo, Sung-Hun Ju, Chan-Joo Park, Choong-Woo Lee, Yong-Sik Kim
OBJECTIVES: After total hip arthroplasty (THA), restoration of hip center of rotation (COR) is essential to ensure stability of the prosthetic hip and longevity of the prosthesis. Our aim was to determine whether, and how, the COR changed postoperatively compared to the native COR following implantation of a cementless acetabular component in anatomical position and to compare the accuracy of cup placement between two surgeons with different levels of surgical experience. MATERIALS AND METHODS: We evaluated 145 patients (145 hips) who underwent unilateral primary THA, who had no distorted acetabulum on the affected hip and a normal contralateral hip...
2017: PloS One
https://www.readbyqxmd.com/read/28541681/platelet-microcapsule-hybrids-leverage-contractile-force-for-targeted-delivery-of-hemostatic-agents
#12
Caroline E Hansen, David R Myers, Wallace Hunter Baldwin, Yumiko Sakurai, Shannon L Meeks, L Andrew Lyon, Wilbur A Lam
We report a cell-mediated, targeted drug delivery system utilizing polyelectrolyte multilayer capsules that hybridize with the patient's own platelets upon intravenous administration. The hybridized platelets function as the sensor and actuator for targeted drug delivery and controlled release in our system. These capsules are biochemically and mechanically tuned to enable platelet adhesion and capsule rupture upon platelet activation and contraction, enabling the targeted and controlled "burst" release of an encapsulated biotherapeutic...
May 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28541359/potential-antiproliferative-activity-of-polyphenol-metabolites-against-human-breast-cancer-cells-and-their-urine-excretion-pattern-in-healthy-subjects-following-acute-intake-of-a-polyphenol-rich-juice-of-grumixama-eugenia-brasiliensis-lam
#13
L L Teixeira, G R Costa, F A Dörr, T P Ong, E Pinto, F M Lajolo, N M A Hassimotto
The bioavailability and metabolism of anthocyanins and ellagitannins following acute intake of grumixama fruit, native Brazilian cherry, by humans, and its in vitro antiproliferative activity against breast cancer cells (MDA-MB-231) were investigated. A single dose of grumixama juice was administered to healthy women (n = 10) and polyphenol metabolites were analyzed in urine and plasma samples collected over 24 h. The majority of the metabolites circulating and excreted in urine were phenolic acids and urolithin conjugates, the gut microbiota catabolites of both classes of polyphenols, respectively...
May 25, 2017: Food & Function
https://www.readbyqxmd.com/read/28540129/surgical-management-of-lipomyelomeningocele-in-children-challenges-and-considerations
#14
REVIEW
Kathryn M Wagner, Jeffrey S Raskin, Daniel Hansen, Gaddum D Reddy, Andrew Jea, Sandi Lam
No abstract text is available yet for this article.
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28539351/bacteriophage-transfer-during-faecal-microbiota-transplantation-in-clostridium-difficile-infection-is-associated-with-treatment-outcome
#15
Tao Zuo, Sunny H Wong, Kelvin Lam, Rashid Lui, Kitty Cheung, Whitney Tang, Jessica Y L Ching, Paul K S Chan, Martin C W Chan, Justin C Y Wu, Francis K L Chan, Jun Yu, Joseph J Y Sung, Siew C Ng
OBJECTIVE: Faecal microbiota transplantation (FMT) is effective for the treatment of recurrent Clostridium difficile infection (CDI). Studies have shown bacterial colonisation after FMT, but data on viral alterations in CDI are scarce. We investigated enteric virome alterations in CDI and the association between viral transfer and clinical outcome in patients with CDI. DESIGN: Ultra-deep metagenomic sequencing of virus-like particle preparations and bacterial 16S rRNA sequencing were performed on stool samples from 24 subjects with CDI and 20 healthy controls...
May 24, 2017: Gut
https://www.readbyqxmd.com/read/28538646/defining-the-ge-junction-in-trauma-epidemiology-and-management-of-a-challenging-injury
#16
Morgan Schellenberg, Kenji Inaba, James M Bardes, Daniel OʼBrien, Lydia Lam, Elizabeth Benjamin, Daniel Grabo, Demetrios Demetriades
INTRODUCTION: Injuries to the gastroesophageal (GE) junction are infrequently encountered because of the high mortality of associated injuries. Consequently, there is a paucity of literature on the patient demographics and treatment options. The aim of this study was to examine the epidemiology, surgical management, and outcomes of these rare injuries. METHODS: Patients presenting to LAC+USC Medical Center (01/2008-08/2016) with traumatic esophageal or gastric injury (ICD-9 and -10 codes) were extracted from the trauma registry...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538629/outcomes-following-traumatic-injury-in-patients-with-preexisting-psychiatric-illness
#17
Erika Falsgraf, Kenji Inaba, Amory de Roulet, Megan Johnson, Elizabeth Benjamin, Lydia Lam, Kazuhide Matsushima, Aaron Strumwasser, Demetrios Demetriades
BACKGROUND: Patients with psychiatric illness have been shown to experience higher rates of traumatic injury. Injury patterns, treatment decisions, and outcomes have not been well characterized in patients with psychiatric illness after injury, in particular those who undergo acute surgical intervention. The purpose of this analysis was to determine mortality, complications, and surgical intervention rates in patients with psychiatric illness following traumatic injury. METHODS: This is a retrospective study of trauma patients ≥18 years old admitted to LAC+USC Medical Center between January 2008 and March 2015...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538549/impact-of-evolving-radiation-therapy-techniques-on-implant-based-breast-reconstruction
#18
Horatiu Muresan, Gretl Lam, Benjamin T Cooper, Carmen A Perez, Alexes Hazen, Jamie P Levine, Pierre B Saadeh, Mihye Choi, Nolan S Karp, Daniel J Ceradini
BACKGROUND: Patients undergoing implant-based reconstruction in the setting of postmastectomy radiation therapy suffer from increased complications and inferior outcomes compared with those not irradiated, but advances in radiation delivery have allowed for more nuanced therapy. The authors investigated whether these advances impact patient outcomes in implant-based breast reconstruction. METHODS: Retrospective chart review identified all implant-based reconstructions performed at a single institution from November of 2010 to November of 2013...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28538220/identification-of-caries-risk-determinants-in-toddlers-results-of-the-gusto-birth-cohort-study
#19
C Un Lam, L W Khin, A C Kalhan, R Yee, Y S Lee, M F-F Chong, K Kwek, S M Saw, K Godfrey, Y S Chong, C-Y Hsu
The aim of this study was to identify risk determinants leading to early childhood caries (ECC) and visible plaque (VP) in toddlers. Data for mother-child pairs participating in the Growing Up in Singapore towards Healthy Outcomes (GUSTO) birth cohort were collected from pregnancy to toddlerhood. Oral examinations were performed in 543 children during their clinic visit at 24 months to detect ECC and VP. Following logistic regression, ECC and VP were jointly regressed as primary and secondary outcomes, respectively, using the bivariate probit model...
May 25, 2017: Caries Research
https://www.readbyqxmd.com/read/28537544/high-prevalence-of-four-novel-astrovirus-genotype-species-identified-from-rodents-in-china
#20
Kelvin K W To, Wan-Mui Chan, Kenneth S M Li, Carol S F Lam, Zhiwei Chen, Herman Tse, Susanna K P Lau, Patrick C Y Woo, Kwok-Yung Yuen
Astroviruses cause gastrointestinal and neurological infections in humans and animals. Since astrovirus is genetically diverse and different astrovirus genotypes can be found in the same animal species, astrovirus is a potential zoonotic threat to humans. In this study, we screened for astroviruses in rodents from Hong Kong, Hunan and Guangxi. Astrovirus was detected in 11.9 % (67/562) of rectal swab specimens. Phylogenetic analysis of the ORF1b region, which encodes the RdRp, showed that there were four distinct clusters (clusters A, B, C and D)...
May 25, 2017: Journal of General Virology
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