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https://www.readbyqxmd.com/read/28339208/doubly-resonant-photonic-antenna-for-single-infrared-quantum-dot-imaging-at-telecommunication-wavelengths
#1
Zhihua Xie, Yannick Lefier, Miguel Angel Suarez, Mathieu Mivelle, Roland Salut, Jean-Marc Merolla, Thierry Grosjean
Colloidal quantum dots (CQDs) have drawn strong interest in the past for their high prospects in scientific, medical, and industrial applications. However, the full characterization of these quantum emitters is currently restricted to the visible wavelengths, and it remains a key challenge to optically probe single CQDs operating in the infrared spectral domain, which is targeted by a growing number of applications. Here, we report the first experimental detection and imaging at room temperature of single infrared CQDs operating at telecommunication wavelengths...
March 24, 2017: Nano Letters
https://www.readbyqxmd.com/read/28334327/autologous-vs-irradiated-homologous-costal-cartilage-as-graft-material-in-rhinoplasty
#2
Jee Hye Wee, Sue Jean Mun, Woo Sung Na, Heejin Kim, Joo Hyun Park, Dong-Kyu Kim, Hong-Ryul Jin
Importance: Studies comparing surgical results of rhinoplasty using autologous costal cartilage (ACC) and irradiated homologous costal cartilage (IHCC) are rare. Objectives: To compare the clinical results of major augmentation rhinoplasty using ACC vs IHCC and analyze the histologic properties of both types of cartilage. Design, Setting, and Participants: A retrospective clinical study was conducted among patients who had undergone rhinoseptoplasty using ACC or IHCC from January 1, 2009, to December 31, 2014...
March 23, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28332912/twelve-tips-for-the-production-of-digital-chalk-talk-videos
#3
Jasmine Rana, Henrike Besche, Barbara Cockrill
Increasingly over the past decade, faculty in medical and graduate schools have received requests from digital millennial learners for concise faculty-made educational videos. At our institution, over the past couple of years alone, several hundred educational videos have been created by faculty who teach in a flipped-classroom setting of the pre-clinical medical school curriculum. Despite the appeal and potential learning benefits of digital chalk-talk videos first popularized by Khan Academy, we have observed that the conceptual and technological barriers for creating chalk-talk videos can be high for faculty...
March 23, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28329482/prevention-of-poison-ivy-dermatitis-with-oral-homeopathic-rhus-toxicodendron
#4
Robert Joseph Signore
Acute allergic contact dermatitis to poison ivy is acommon and miserable dermatosis which affectsmillions of Americans each year. Preventativemeasures, such as avoidance, protective clothing,barrier creams, soaps, and solvents often fail despiteour patients' best attempts. Severe allergic reactionsto poison ivy are a significant source of decreasedemployee productivity owing to inability to work anda major health care expenditure. Patients may haveto leave their jobs and discontinue favorite outdoorrecreational activities as a result of severe urushiolsensitivity...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328885/introducing-therioepistemology-the-study-of-how-knowledge-is-gained-from-animal-research
#5
REVIEW
Joseph P Garner, Brianna N Gaskill, Elin M Weber, Jamie Ahloy-Dallaire, Kathleen R Pritchett-Corning
This focus issue of Lab Animal coincides with a tipping point in biomedical research. For the first time, the scale of the reproducibility and translatability crisis is widely understood beyond the small cadre of researchers who have been studying it and the pharmaceutical and biotech companies who have been living it. Here we argue that an emerging literature, including the papers in this focus issue, has begun to congeal around a set of recurring themes, which themselves represent a paradigm shift. This paradigm shift can be characterized at the micro level as a shift from asking "what have we controlled for in this model?" to asking "what have we chosen to ignore in this model, and at what cost?" At the macro level, it is a shift from viewing animals as tools (the furry test tube), to viewing them as patients in an equivalent human medical study...
March 22, 2017: Lab Animal
https://www.readbyqxmd.com/read/28319488/an-in-vitro-assessment-of-the-efficacy-of-various-iv-cannulas-for-the-rapid-iv-fluid-administration
#6
Mineto Kamata, Hina Walia, Mumin Hakim, Dmitry Tumin, Joseph D Tobias
OBJECTIVES: The current study prospectively evaluates the administration of fluid through commonly used vascular cannulas of various length and diameter. DESIGN: Observational, in vitro experiment. SETTING: Not applicable. SUBJECTS: No human subjects. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Fluid (500 mL) was administered via gravity flow and with pressure assistance (pressure bag set at 300 mm Hg) through various vascular cannulas including peripheral IV catheters (22 gauge, 1 inch; 20 gauge, 1...
March 17, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28317673/effect-of-balanced-phacoemulsification-tip-on-the-outcomes-of-torsional-phacoemulsification-using-an-active-fluidics%C3%A2-system
#7
Sudarshan Khokhar, Neelima Aron, Sagnik Sen, Ganesh Pillay, Esha Agarwal
PURPOSE: To compare the outcomes of torsional phacoemulsification with a new balanced tip (Intrepid) and a conventional tip (Kelman) using a single active-fluidics torsional phacoemulsification machine (Centurion). SETTING: Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India. DESIGN: Prospective comparative case-control study. METHODS: Patients with senile cataract had torsional phacoemulsification with the Kelman conventional tip or the new Intrepid balanced tip using the active-fluidics torsional machine...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28298166/twelve-tips-for-teaching-medical-students-with-dyslexia
#8
Sebastian Charles Keith Shaw, John Leeds Anderson
Dyslexia is a common learning difficulty. As a result of SS' own experiences as a medical student with dyslexia, we have been researching and teaching on this topic for the past two years. Here, we present twelve tips for teaching medical students with dyslexia. These are gathered from our personal experiences and research, discussions with other educators, and wider literature on the topic. This article aims to shed some light on dyslexia, and also to make practical suggestions. Teaching students with dyslexia should not be a daunting experience...
March 15, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28292637/patterns-and-predictors-of-peripherally-inserted-central-catheter-occlusion-the-3p-o-study
#9
Shawna N Smith, Nancy Moureau, Valerie M Vaughn, Tanya Boldenow, Scott Kaatz, Paul J Grant, Steven J Bernstein, Scott A Flanders, Vineet Chopra
PURPOSE: To evaluate patterns and predictors of peripherally inserted central catheter (PICC)-related occlusion. MATERIALS AND METHODS: Data from a multihospital study were used to examine factors associated with PICC occlusion. Occlusion was defined if documented in the medical record or when tissue plasminogen activator was administered for occlusion-related concerns. Mixed-effects logistic regression was used to predict occlusion, controlling for patient-, provider-, device-, and hospital-level characteristics...
March 11, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28285383/adenosine-administration-during-hybrid-atrial-fibrillation-ablation-to-test-dormant-pulmonary-vein-conduction
#10
Mindy Vroomen, Mark La Meir, Jos G Maessen, Harry J Crijns, Laurent Pison
BACKGROUND: Adenosine administration after initial pulmonary vein isolation (PVI) reveals dormant conduction and predicts atrial fibrillation (AF) recurrence. Elimination of dormant conduction when present may increase a long-term success rate of AF ablation procedures. There are no studies till date using adenosine to reveal acute reconduction of pulmonary veins (PVs) after epicardial PVI during a hybrid AF ablation procedure. METHODS: We included 24 patients (21 male, 55 ± 9 years) undergoing hybrid ablation for symptomatic paroxysmal (n = 12) and persistent (n = 12) AF, using an epicardial bipolar radiofrequency clamp to perform PVI...
March 11, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28283006/-investigation-of-biofilm-formation-properties-of-staphylococcus-isolates
#11
Duygu Nilüfer Öcal, İştar Dolapçı, Zeynep Ceren Karahan, Alper Tekeli
Biofilm production is an important virulence factor which allows staphylococci to adhere to medical devices. The principal component of biofilm is a "polysaccharide intercellular adhesin (PIA)" which is composed of a beta-1,6-N-acetylglucosamine polymer synthesized by an enzyme (N-acetylglucosamine transferase) encoded by the ica operon found on the bacterial chromosome. This operon is composed of four genes (A, B, C, and D), and a transposable element IS256. In this study, we aimed to determine the biofilm production characteristics of invasive/non-invasive staphylococcus isolates and different staphylococcus species...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28281112/performance-of-kymerax%C3%A2-precision-drive-articulating-surgical-system-compared-to-conventional-laparoscopic-instruments-in-a-pelvitrainer-model
#12
Marco Alain Sieber, Bernhard Fellmann-Fischer, Michael Mueller
BACKGROUND: The Kymerax© Precision-Drive Articulating Surgical System by Terumo© is a handheld laparoscopic robot which permits motion in two additional degrees of freedom (deflection and rotation in the instrument tip). In a pelvitrainer model, we compared the performance of participants with different laparoscopic experiences and compared Kymerax© to conventional laparoscopic instruments. METHODS: 20 expert surgeons, performing more than 50 laparoscopic procedures per year, and 25 medical students without any experience in surgery at all were selected...
March 9, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28269422/advanced-sensors-placement-for-accurate-3d-needle-shape-reconstruction
#13
Pierre-Loup Schaefer, Gregory Chagnon, Alexandre Moreau-Gaudry
Needles are tools widely used in minimally invasive surgery. During such procedures the localization of the needle and its tip is a challenging situation because of the needle deformations due to its interactions with tissues. To tackle this problem, instrumented needles with sensors have been currently developed to allow needle reconstruction and tip localization. In conventional surgery this difficulty is overcome by medical imaging. The interest in using an instrumented needle resides in the possible dispense of medical imaging...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265974/elder-abuse-in-europe-s-most-elderly-city-an-assessment-of-the-phenomenon-and-an-analysis-of-the-data-from-the-penal-court-of-genoa-from-2010-to-2015
#14
Andrea Molinelli, Francesco Ventura, Sara Lo Pinto, Martina Drommi, Francesco De Stefano
INTRODUCTION: In Italy, 5% of the elderly are estimated to have suffered abuse. While the Penal Code refers to generic types of abuse, such as physical and psychological maltreatment, abandonment and financial fraud, it does not specifically protect the elderly as a category. AIMS: To assess the frequency and modalities of elder abuse in Genoa and its Province, and to compare these data with those reported in the literature, in order to provide a picture of the current situation that can be used by the authorities to combat this phenomenon...
March 6, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28262521/self-study-practical-tips-for-a-successful-and-rewarding-experience
#15
REVIEW
Jessica B Robbins, David Sarkany
The Accreditation Council for Graduate Medical Education (ACGME) self-study is a new process for ACGME accredited radiology programs. This article serves to provide the reader with the evolution of ACGME accreditation leading to the conception of the self-study process, detail the self-study method, and offer practical advice to programs embarking upon their inaugural self-study.
March 2, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28260214/polydactylous-transverse-erythronychia-report-of-a-patient-with-multiple-horizontal-red-bands-affecting-the-fingernails
#16
Carina Chang, Bryce D Beutler, Philip R Cohen
INTRODUCTION: Redness of the nail plate-erythronychia-is a common condition involving one or multiple digits. It may affect the entire nail or present as longitudinal red bands that extend from the proximal nail fold to the distal tip of the nail plate. Rarely, red bands may traverse the nail bed horizontally. Although erythronychia is often idiopathic, it has also been associated with amyloidosis, Darier's disease, lichen planus, and various other cutaneous conditions. We describe the clinical features of a 64-year-old Caucasian man who presented with transverse and longitudinal erythronychia affecting his fingernails...
March 4, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28251593/frontonasal-dysplasia-oral-features-restorative-and-orthodontic-dental-treatment-in-a-child
#17
R A Valério, C Scatena, F R R Santos, F L Romano, A M Queiroz, F W G Paula-Silva
BACKGROUND: Frontonasal dysplasia is a complex rare malformation, characterised by abnormalities involving the central portion of the face, especially the eyes, nose and forehead. It can manifest independently or associated with other abnormalities as part of some syndromes. CASE REPORT: The purpose of this case report was to describe a 5-year-old patient, diagnosed with frontonasal dysplasia. Among the abnormalities characterised with this disorder were ocular hypertelorism, broad nose tip with median notch, median facial cleft, bifid anterior skull, low set hairline, Poland's syndactyly and ankyloglossia...
March 1, 2017: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28249809/opportunities-for-improvement-in-the-contemporary-management-of-acute-variceal-hemorrhage-a-systematic-review-of-observational-studies
#18
REVIEW
Elliot B Tapper, Lauren Beste, Michael Curry, Alan Bonder, Akbar Waljee, Sameer Saini
BACKGROUND AND AIMS: Gastroenterologists should strive to improve the outcomes associated with acute variceal hemorrhage (AVH) by optimizing care delivery and clinician preparedness through training. Unfortunately, data regarding contemporary outcomes and management of AVH are limited. METHODS: We performed a systematic review of cohort studies examining outcomes and management of AVH from January 1990 to September 2016. We pooled data on mortality and utilization of medical therapy, endoscopic interventions, balloon tamponade (BT), and salvage procedures (portal decompressive surgery or transjugular portosystemic shunt (TIPS))...
February 26, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28247830/-interacting-with-patients-with-a-personality-disorder-10-tips
#19
A Kaasenbrood, J Hutsebaut, F Kaasenbrood
Personality disorders have a high prevalence. The behaviour of patients with a personality disorder may make it difficult for doctors to maintain a professional attitude, which may lead to a breakdown in the therapeutic relationship. In order to prevent an imbalance in the therapeutic relationship, we describe in this paper 10 tips for interacting appropriately with patients with a personality disorder in general medical practice. We divide these into three domains. In the first domain we deal with the organisation of care, which should ideally be safe and predictable because unpredictability and unreliability can easily upset these patients...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28247091/review-and-management-of-acneiform-eruptions-in-patients-with-immune-disorders
#20
Priyanka Vedak, Jessica St John, Daniela Kroshinsky
Immune disorders are associated with acne or acneiform lesions secondary to the occurrence of acne vulgaris or acneiform eruptions arising as a result of immunosuppressive medication or infection. In this review, we aim to provide an overview of acne and acneiform eruptions that can arise in the immunosuppressed host. Tips for differentiating between various acneiform entities are discussed, as well as a brief overview of treatment considerations.
February 28, 2017: American Journal of Clinical Dermatology
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