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Comparative medicine

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https://www.readbyqxmd.com/read/27926975/large-for-gestational-age-infants-and-adverse-outcomes-among-uncomplicated-pregnancies-at-term
#1
Hector Mendez-Figueroa, Van Thi Thanh Truong, Claudia Pedroza, Suneet P Chauhan
Background While traumatic delivery with large for gestational age (LGA; birth weight above 90%) is acknowledged, there is paucity of data regarding other morbidity and mortality associated with LGA. Our hypothesis was that compared with appropriate for gestational age (AGA), LGA have a significantly higher rate of composite neonatal morbidity (CNM). Objective Our objective was to compare the CNM among uncomplicated LGA versus AGA at term (37 weeks or more) among all available Maternal-Fetal Medicine Units (MFMU) databases...
December 7, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27925471/lc-ms-ms-and-gc-ms-analyses-of-biologically-active-extracts-and-fractions-from-tunisian-juniperus-phoenice-leaves
#2
Henda Keskes, Sahla Belhadj, Lobna Jlail, Abdelfattah El Feki, Mohamed Damak, Sami Sayadi, Noureddine Allouche
CONTEXT: Despite some studies related to Juniperus phoenicea L. (Cupressaceae), phytochemical and biological investigations of this plant remain unexplored. OBJECTIVE: This work is the first report dealing with the identification and characterization of volatile components and flavonoids in hexane and methanol extracts from J. phoenicea leaves Materials and methods: Antioxidant activity of hexane, and methanol extracts from J. phoenicea leaves were determined by DPPH-radical scavenging assay...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27925422/preventing-hospital-acquired-venous-thromboembolism-improving-patient-safety-with-interdisciplinary-teamwork-quality-improvement-analytics-and-data-transparency
#3
REVIEW
Anneliese M Schleyer, Ellen Robinson, Roxana Dumitru, Mark Taylor, Kimberly Hayes, Ronald Pergamit, Daphne M Beingessner, Mark C Zaros, Joseph Cuschieri
BACKGROUND: Hospital-acquired venous thromboembolism (HA-VTE) is a potentially preventable cause of morbidity and mortality. Despite high rates of venous thromboembolism (VTE) prophylaxis in accordance with an institutional guideline, VTE remains the most common hospital-acquired condition in our institution. OBJECTIVE: To improve the safety of all hospitalized patients, examine current VTE prevention practices, identify opportunities for improvement, and decrease rates of HA-VTE...
December 2016: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/27925244/the-absorption-enhancement-of-norisoboldine-in-the-duodenum-of-adjuvant-induced-arthritis-rats-involves-the-impairment-of-p-glycoprotein
#4
Cong Duan, Jiao-Mei Guo, Yue Dai, Yu-Feng Xia
Lindera aggregate (Sims) Kosterm root has been used in traditional Chinese medicine for the treatment of rheumatism palsy, dyspepsia and frequent urination for a long history. Norisoboldine (NOR), the main active constituent of this herb drug, possesses outstanding anti-arthritis activity. However, in vivo disposition of NOR has been known to a limited extent, especially under the pathological condition of rheumatoid arthritis (RA). The aim of this study is to investigate whether and how the absorption of NOR is altered in adjuvant-induced arthritis (AIA) rats...
December 7, 2016: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/27925238/danshen-enhanced-cardioprotective-effect-of-cardioplegia-on-ischemia-reperfusion-injury-in-a-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-model
#5
Wei Wei, Yiwei Liu, Qiang Zhang, Yangming Wang, Xiaoling Zhang, Hao Zhang
Myocardial ischemia-reperfusion (I/R) injury is unavoidable during cardioplegic arrest and open-heart surgery. Danshen is one of the most popular traditional herbal medicines in China, which has entered the Food and Drug Administration-approved phase III clinical trial. This study was aimed to develop a human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) model to mimic I/R injury and evaluate the cardioprotective effect of regular cardioplegic solution with Danshen. hiPSC-CMs were cultured with the crystalloid cardioplegic solution (Thomas group) and Thomas solution with 2 or 10 µg/mL Danshen (Thomas plus Danshen groups)...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27925145/the-oldest-old-in-the-emergency-department-impact-of-renal-function
#6
T Brünnler, M Drey, G Dirrigl, C Weingart, F Rockmann, C Sieber, U Hoffmann
OBJECTIVES: The ageing population implicates an increasing numbers of older adults attending Emergency Departments (ED). We assessed the effect of estimated glomerular filtration rate as a predictor of clinical outcomes in oldest-old patients ≥ 85 years attending the ED in an university teaching hospital. DESIGN: Within three years, 81831 patient contacts were made in our ED. 7799 (9.5%) were older than 85 years, in whom we analyzed the impact of renal function on various outcome parameters...
2016: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27924964/frequency-of-cyp2d6-10-genotypes-in-pakistani-breast-cancer-patients-taking-adjuvant-tamoxifen
#7
Nusrat Nazir, Akbar Waheed, Kulsoom Farhat, Muhammad Ismail, Qaisar Mansoor
OBJECTIVE: To investigate the frequency of cytochrome P2D6*10 in breast cancer patients. METHODS: This retrospective study was conducted at the Nuclear Medicine, Oncology and Radiotherapy Institute, Islamabad, and the Combined Military Hospital, Rawalpindi, Pakistan, and comprised medical records of breast cancer patients from January 2000 to September 2013. Pre- and post-menopausal women with diagnosed breast cancer who were advised 20mg/day of tamoxifen as adjuvant therapy were included...
December 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27924687/the-fluad-case-in-italy-could-it-have-been-dealt-differently
#8
Miriam Levi, Ersilia Sinisgalli, Chiara Lorini, Francesca Santomauro, Martina Chellini, Paolo Bonanni
During the influenza vaccination campaign 2014-2015, the reporting of three deaths within 48 hours of vaccination with Fluad brought the Italian Medicines Agency (AIFA) to pronounce the withdrawal of two batches of vaccine, based on the precautionary principle. Investigations by the Istituto Superiore di Sanità, the National Institute of Health, and by the Pharmacovigilance Risk Assessment Committee (PRAC), the committee at the European Medicines Agency (EMA) responsible for monitoring and assessing the safety profiles of human drugs, concluded that there was a lack of causality between the reported deaths and the vaccines administered...
December 7, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27924510/global-protein-expression-analysis-of-molecular-markers-of-ds-1-47-a-component-of-implantation-promoting-traditional-chinese-medicine
#9
Yan-Ling Li, Xiao-Yan Zhang, Yu Leng, Yan-Li Wu, Jing Li, Yun-Xia Wu
This study investigated the molecular markers of DS-1-47, a component of an implantation- promoting traditional Chinese medicine consisting of Astragalus mongholicus, Atractylodes macrocephala, Scutellaria baicalensis and Dipsacales, in an attempt to clarify the molecular mechanism and action targets of DS-1-47. Controlled ovarian stimulation (COS) method was used to establish the implantation dysfunction models of mice. Animals were divided into normal pregnant group, COS model group and DS-1-47 group. Laser capture microdissection-double dimensional electrophoresis-mass spectrum (LCM-DE-MS) was used to analyze the uterine protein molecules that were possibly involved in the promotion of implantation...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27924340/exosome-like-silica-nanoparticles-a-novel-ultrasound-contrast-agent-for-stem-cell-imaging
#10
Fang Chen, Ming Ma, Junxin Wang, Fang Wang, Shi-Xiong Chern, Eric Ruike Zhao, Anamik Jhunjhunwala, Sean Darmadi, Hangrong Chen, Jesse V Jokerst
Ultrasound is critical in many areas of medicine including obstetrics, oncology, and cardiology with emerging applications in regenerative medicine. However, one critical limitation of ultrasound is the low contrast of target tissue over background. Here, we describe a novel cup-shaped silica nanoparticle that is reminiscent of exosomes and that has significant ultrasound impedance mismatch for labelling stem cells for regenerative medicine imaging. These exosome-like silica nanoparticles (ELS) were created through emulsion templating and the silica precursors bis(triethoxysilyl)ethane (BTSE) and bis(3-trimethoxysilyl-propyl)amine (TSPA)...
December 7, 2016: Nanoscale
https://www.readbyqxmd.com/read/27923707/three-dimensional-magnetic-resonance-imaging-quantification-of-glenoid-bone-loss-is-equivalent-to-3-dimensional-computed-tomography-quantification-cadaveric-study
#11
Adam B Yanke, Jason J Shin, Ian Pearson, Bernard R Bach, Anthony A Romeo, Brian J Cole, Nikhil N Verma
PURPOSE: To assess the ability of 3-dimensional (3D) magnetic resonance imaging (MRI, 1.5 and 3 tesla [T]) to quantify glenoid bone loss in a cadaveric model compared with the current gold standard, 3D computed tomography (CT). METHODS: Six cadaveric shoulders were used to create a bone loss model, leaving the surrounding soft tissues intact. The anteroposterior (AP) dimension of the glenoid was measured at the glenoid equator and after soft tissue layer closure the specimen underwent scanning (CT, 1...
December 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27923551/absorbed-dose-and-image-quality-of-varian-truebeam-cbct-compared-with-obi-cbct
#12
Daisuke Kawahara, Shuichi Ozawa, Takeo Nakashima, Tatsuhiko Suzuki, Masato Tsuneda, Sodai Tanaka, Yoshimi Ohno, Yuji Murakami, Yasushi Nagata
PURPOSE: Nowadays, patient positioning and target localization can be verified by using kilovolt cone beam computed tomography (kV-CBCT). There have been various studies on the absorbed doses and image qualities of different kV-CBCT systems. However, the Varian TrueBeam CBCT (TB CBCT) system has not been investigated so far. We assess the image quality and absorbed dose of TB CBCT through comparison with those of on-board imager (OBI) CBCT. METHODS: The image quality was evaluated using two phantoms...
December 3, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27923358/acthaside-a-new-chromone-derivative-from-acacia-ataxacantha-and-its-biological-activities
#13
Abdou Madjid O Amoussa, Mélanie Bourjot, Latifou Lagnika, Catherine Vonthron-Sénécheau, Ambaliou Sanni
BACKGROUND: Acacia ataxacantha (Fabaceae), used in traditional medicine grows in the South-West of Bénin. Ethyl acetate extract of the barks of this species was previously reported to display various bioactivities, including antibacterial, antifungal and antioxidant activities. In the present study, we investigate the antimicrobial and antioxidant activities of compound isolated from ethyl acetate extract of Acacia ataxacantha. METHODS: Purification, isolation and structural identification of isolated compound were done using various chromatographic and spectroscopic methods...
December 7, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27923090/association-between-end-of-rotation-resident-transition-in-care-and-mortality-among-hospitalized-patients
#14
Joshua L Denson, Ashley Jensen, Harry S Saag, Binhuan Wang, Yixin Fang, Leora I Horwitz, Laura Evans, Scott E Sherman
Importance: Shift-to-shift transitions in care among house staff are associated with adverse events. However, the association between end-of-rotation transition (in which care of the patient is transferred) and adverse events is uncertain. Objective: To examine the association of end-of-rotation house staff transitions with mortality among hospitalized patients. Design, Setting, and Participants: Retrospective multicenter cohort study of patients admitted to internal medicine services (N = 230 701) at 10 university-affiliated US Veterans Health Administration hospitals (2008-2014)...
December 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27923089/correlations-between-ratings-on-the-resident-annual-evaluation-summary-and-the-internal-medicine-milestones-and-association-with-abim-certification-examination-scores-among-us-internal-medicine-residents-2013-2014
#15
Karen E Hauer, Jonathan Vandergrift, Brian Hess, Rebecca S Lipner, Eric S Holmboe, Sarah Hood, William Iobst, Stanley J Hamstra, Furman S McDonald
Importance: US internal medicine residency programs are now required to rate residents using milestones. Evidence of validity of milestone ratings is needed. Objective: To compare ratings of internal medicine residents using the pre-2015 resident annual evaluation summary (RAES), a nondevelopmental rating scale, with developmental milestone ratings. Design, Setting, and Participants: Cross-sectional study of US internal medicine residency programs in the 2013-2014 academic year, including 21 284 internal medicine residents (7048 postgraduate-year 1 [PGY-1], 7233 PGY-2, and 7003 PGY-3)...
December 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27922894/antimicrobial-prophylaxis-practice-patterns-in-breast-augmentation-a-national-survey-of-current-practice
#16
Karan Chopra, Arvind U Gowda, Colton H L McNichols, Emile N Brown, Sheri Slezak, Yvonne Rasko
BACKGROUND: Breast augmentation is one of the most commonly performed aesthetic surgery procedures worldwide. Bacterial contamination is of paramount concern due to its role in biofilm formation and capsular contracture. Plastic surgeons have adopted a variety of perioperative interventions in efforts to reduce implant contamination, however definitive evidence supporting these practices is lacking. OBJECTIVE: The goal of this study was to assess current practice patterns aimed at reducing implant-related infections in breast augmentation and comparing them to current evidence-based medicine recommendations...
December 5, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27922030/histamine-2-receptor-antagonist-cannot-prevent-recurrent-peptic-ulcers-in-patients-with-atherosclerotic-diseases-who-receive-platelet-adp-receptor-antagonist-monotherapy-a-randomized-controlled-double-blind-and-double-dummy-trial
#17
Ping-I Hsu, Deng-Chyang Wu, Feng-Woei Tsay, Jin-Shiung Cheng, Chun-Peng Liu, Kwok-Hung Lai, Wen-Chi Chen, Huay-Min Wang, Tzung-Jiun Tsai, Kuo-Wang Tsai, Sung-Shuo Kao
OBJECTIVES: Proton pump inhibitor can effectively prevent recurrent peptic ulcers among atherosclerotic patients receiving clopidogrel monotherapy. However, the interaction between proton pump inhibitors and clopidogrel has raised concerns over the safety of combined use of the two medicines in clinical practice. The aims of this randomized-controlled, double-blind and double-dummy trial were to investigate the efficacy of histamine-2 receptor antagonist (H2RA) in the prevention of recurrent peptic ulcer in patients undergoing thienopyridine monotherapy...
December 6, 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27921300/living-in-violent-neighbourhoods-is-associated-with-gestational-weight-gain-outside-the-recommended-range
#18
Jessica Galin, Barbara Abrams, Stephanie A Leonard, Ellicott C Matthay, Dana E Goin, Jennifer Ahern
BACKGROUND: During pregnancy, most women do not meet gestational weight gain (GWG) guidelines, potentially resulting in adverse maternal and infant health consequences. Social environment determinants of GWG have been identified, but evidence on the relationship between neighbourhood violence and GWG is scant. Our study aims to examine the relationship between neighbourhood violence and GWG outside the recommended range. METHODS: We used statewide vital statistics and health care utilization data from California for 2006-12 (n = 2 364 793) to examine the relationship of neighbourhood violence (quarters of zip-code rates of homicide and assault) in the first 37 weeks of pregnancy with GWG (categorized using the Institute of Medicine's pregnancy weight gain guidelines)...
December 6, 2016: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/27921196/danshen-injection-as-adjuvant-treatment-for-unstable-angina-pectoris-a-systematic-review-and-meta-analysis
#19
Jia-Rui Wu, Shi Liu, Xiao-Meng Zhang, Bing Zhang
OBJECTIVE: To systematically evaluate the clinical effectiveness and safety of Danshen Injection (, DS) as one adjuvant treatment for conventional therapy with Western medicine (WM) for unstable angina pectoris (UAP). METHODS: Using literature databases, a thorough and systematic retrieval of randomized controlled trials (RCTs) comparing DS plus WM with WM was conducted from inception to April 2015. The extracted data from included studies was analyzed by Review Manager 5...
December 5, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27921038/the-clinical-manifestation-and-management-of-autosomal-dominant-polycystic-kidney-disease-in-china
#20
REVIEW
Cheng Xue, Chen-Chen Zhou, Ming Wu, Chang-Lin Mei
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common monogenic hereditary kidney disease characterized by progressive enlargement of renal cysts. The incidence is 1-2‰ worldwide. Mutations in two genes (PKD1 and PKD2) cause ADPKD. Currently, there is no pharmaceutical treatment available for ADPKD patients in China. Summary: This review focused on advances in clinical manifestation, gene diagnosis, risk factors, and management of ADPKD in China. There is an age-dependent increase in total kidney volume (TKV) and decrease in renal function in Chinese ADPKD patients...
October 2016: Kidney Diseases
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