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pearls review

Ganggang Zhang, Alice Brion, Anne-Sophie Willemin, Marie-Hélène Piet, Vanessa Moby, Arnaud Bianchi, Didier Mainard, Laurent Galois, Pierre Gillet, Marthe Rousseau
During the past two decades, with a huge and rapidly increasing clinical need for bone regeneration and repair, bone substitutes are more and more seen as a potential solution. Major innovation efforts are being made to develop such substitutes, some having advanced even to clinical practice. It is now time to turn to natural biomaterials. Nacre, or mother-of-pearl, is an organic matrix-calcium carbonate coupled shell structure produced by molluscs. In vivo and in vitro studies have revealed that nacre is osteoinductive, osteoconductive, biocompatible and biodegradable...
October 17, 2016: Journal of Biomedical Materials Research. Part A
Hendrik A Zuiderbaan, Jelle P van der List, Laura J Kleeblad, Pauline Appelboom, Nanne P Kort, Andrew D Pearle, Maarten V Rademakers
In this review, we evaluate the modern indications, subjective outcome scores, and survivorship results of unicompartmental knee arthroplasty (UKA) and high tibial osteotomy (HTO) in the treatment of isolated medial compartment degeneration of the knee. In addition, in a thorough review of the literature, we evaluate global trends in the use of both methods. In our evaluation of articles, we note that inclusion criteria are relatively broader for UKA than for HTO, where age and body mass index should be considered before HTO surgery in order to optimize clinical outcome and survivorship results...
September 2016: American Journal of Orthopedics
Alessandra Haskin, Shawn G Kwatra, Crystal Aguh
Acquired trichorrhexis nodosa is a common cause of hair loss for patients of all ethnicities. It is especially prevalent in black patients with tightly curled hair types and can present unique diagnostic and therapeutic challenges due to structural differences in these hair types and the combination of various hair care and styling practices that contribute to hair damage. While scalp biopsies can help rule out other etiologies of hair loss, there is a paucity of histologic findings in acquired trichorrhexis nodosa, making this primarily a clinical diagnosis...
October 10, 2016: Journal of Dermatological Treatment
Marta Drake-Pérez, James G Smirniotopoulos
This article reviews the most frequent extra-axial tumors of the central nervous system, from the most common meningioma to some uncommon conditions, like Rosai-Dorfman disease, focusing on imaging techniques, pearls, and pitfalls as well as a more practical approach.
November 2016: Neuroimaging Clinics of North America
Brett M Morrison
Neuromuscular diseases are a broadly defined group of disorders that all involve injury or dysfunction of peripheral nerves or muscle. The site of injury can be in the cell bodies (i.e., amyotrophic lateral sclerosis [ALS] or sensory ganglionopathies), axons (i.e., axonal peripheral neuropathies or brachial plexopathies), Schwann cells (i.e., chronic inflammatory demyelinating polyradiculoneuropathy), neuromuscular junction (i.e., myasthenia gravis or Lambert-Eaton myasthenic syndrome), muscle (i.e., inflammatory myopathy or muscular dystrophy), or any combination of these sites...
October 2016: Seminars in Neurology
Deanna E Johnson
BACKGROUND: The skin of extremely preterm infants is underdeveloped and has poor barrier function. Skin maintenance interventions initiated in the neonatal intensive care unit (NICU) have immediate and lifelong implications when the potential for infection, allergen sensitization, and altered aesthetic outcomes are considered. In addition, the high-level medical needs of extremely preterm infants demand skin-level medical interventions that too often result in unintended skin harm. PURPOSE: We describe the use of a harm prevention, or consequence-centered, approach to skin care, which facilitates safer practice for extremely premature infants...
October 2016: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
Shawn Nguyen, Mitchell McDowell, John Schlechter
Casting is a routine procedure used for fracture care in the pediatric population. The purpose of this review is to provide pearls and pitfalls that our institution has learned from previous literature. When applying the cast, we recommend using cotton padding for the liner and fiberglass or plaster depending on how much swelling is expected. A well-molded cast must be applied in order to prevent further fracture displacement. Cast valving is a valuable technique that allows a decrease in pressure which prevents discomfort and complications like compartment syndrome...
September 18, 2016: World Journal of Orthopedics
H Guo, Z H Ling, H R Cheng, I J Simpson, X P Lyu, X M Wang, M Shao, H X Lu, G Ayoko, Y L Zhang, S M Saunders, S H M Lam, J L Wang, D R Blake
Photochemical smog, characterized by high concentrations of ozone (O3) and fine particles (PM2.5) in the atmosphere, has become one of the top environmental concerns in China. Volatile organic compounds (VOCs), one of the key precursors of O3 and secondary organic aerosol (SOA) (an important component of PM2.5), have a critical influence on atmospheric chemistry and subsequently affect regional and global climate. Thus, VOCs have been extensively studied in many cities and regions in China, especially in the North China Plain, the Yangtze River Delta and the Pearl River Delta regions where photochemical smog pollution has become increasingly worse over recent decades...
September 23, 2016: Science of the Total Environment
John Hickner
This month's review of the current uses of ultrasound in family medicine made me wonder whether ultrasound might become the stethoscope of the future.
August 2016: Journal of Family Practice
Hasan Rehman, Ann W Silk, Michael P Kane, Howard L Kaufman
With the recent regulatory approval of Talimogene laherparepvec (T-VEC) for the treatment of advanced of melanoma in the United States, Europe and Australia, oncolytic virus immunotherapy has earned its place in the clinic. However, the adoption of T-VEC by the U.S. oncology community has been slow, and so far has been largely limited to specialized cancer centers. Limiting factors include the intratumoral route of administration, which is unfamiliar to medical oncologists, biosafety concerns related to the use of a live virus in the clinic, and the explosion of other therapeutic strategies now available for the treatment of advanced melanoma...
2016: Journal for Immunotherapy of Cancer
Joseph A R Englert, Jennifer A Davis, Selim R Krim
BACKGROUND: Heart transplantation remains the definitive therapy for patients with advanced heart failure; however, owing to limited donor organ availability and long wait times, continuous-flow left ventricular assist devices (LVADs) have become standard therapy. METHODS: This review summarizes the history, progression, function, and basic management of LVADs. Additionally, we provide some clinical pearls and important caveats for managing this unique patient population...
2016: Ochsner Journal
Fareen Zaver, Michael Hansen, Evan Leibner, Andrew Little, Michelle Lin
INTRODUCTION: By critically appraising open access, educational blogs and podcasts in emergency medicine (EM) using an objective scoring instrument, this installment of the ALiEM (Academic Life in Emergency Medicine) Blog and Podcast Watch series curated and scored relevant posts in the specific areas of pediatric EM. METHODS: The Approved Instructional Resources - Professional (AIR-Pro) series is a continuously building curriculum covering a new subject area every two months...
September 2016: Western Journal of Emergency Medicine
Humberto Morales, Aaron Betts
T2-hyperintense signal abnormalities within the spinal cord on magnetic resonance imaging can evoke a broad differential diagnosis and can present a diagnostic dilemma. Here, we review and provide a succinct and relevant differential diagnosis based on imaging patterns and anatomical or physiopathologic correlation. Clues and imaging pearls are provided focusing on inflammatory, infectious, demyelinating, vascular, and metabolic involvement of the spinal cord.
October 2016: Seminars in Ultrasound, CT, and MR
Christof Kolb, Rolf Ocklenburg
For physicians involved in the treatment of patients with implantable cardioverter-defibrillators (ICDs) the knowledge of tachycardia detection algorithms is of paramount importance. This knowledge is essential for adequate device selection during de-novo implantation, ICD replacement, and for troubleshooting during follow-up. This review describes tachycardia detection algorithms incorporated in ICDs by Sorin/LivaNova and analyses their strengths and weaknesses.
September 2016: Herzschrittmachertherapie & Elektrophysiologie
Jelle P van der List, Harshvardhan Chawla, Leo Joskowicz, Andrew D Pearle
Recently, there is a growing interest in surgical variables that are intraoperatively controlled by orthopaedic surgeons, including lower leg alignment, component positioning and soft tissues balancing. Since more tight control over these factors is associated with improved outcomes of unicompartmental knee arthroplasty and total knee arthroplasty (TKA), several computer navigation and robotic-assisted systems have been developed. Although mechanical axis accuracy and component positioning have been shown to improve with computer navigation, no superiority in functional outcomes has yet been shown...
September 6, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Zaheer Ahmed, Seemeen Hassan, Gary A Salzman
Warfarin was the only oral anticoagulant available for the treatment of venous thromboembolism for about half a century until the recent approval of novel oral agents dabigatran, rivoraxaban and apixaban. This presents new classes of medications less cumbersome to use. They do not require frequent laboratory monitoring or have nurmerous drug interactions. On the other hand it also poses a challenge to the physicians deciding which agent to use in specific patient populations, how to predict the bleeding risk compared to warfarin and between the different novel agents and how to manage bleeding with relatively recent discovery of few potential antidotes...
April 2016: Current Drug Therapy
Sheila V Kusnoor, Taneya Y Koonce, Mia A Levy, Christine M Lovly, Helen M Naylor, Ingrid A Anderson, Christine M Micheel, Sheau-Chiann Chen, Fei Ye, Nunzia B Giuse
This study tested an innovative model for creating consumer-level content about precision medicine based on health literacy and learning style principles. "Knowledge pearl" videos, incorporating multiple learning modalities, were created to explain genetic and cancer medicine concepts. Cancer patients and caregivers (n=117) were randomized to view professional-level content directly from the My Cancer Genome (MCG) website (Group A; control), content from MCG with knowledge pearls embedded (Group B), or a consumer translation, targeted at the sixth grade level, with knowledge pearls embedded (Group C)...
2016: AMIA Summits on Translational Science Proceedings
Laureen M Lopez, Alissa Bernholc, Mario Chen, Thomas W Grey, Conrad Otterness, Carolyn Westhoff, Alison Edelman, Frans M Helmerhorst
BACKGROUND: Obesity has reached epidemic proportions around the world. Effectiveness of hormonal contraceptives may be related to metabolic changes in obesity or to greater body mass or body fat. Hormonal contraceptives include oral contraceptives (OCs), injectables, implants, hormonal intrauterine contraception (IUC), the transdermal patch, and the vaginal ring. Given the prevalence of overweight and obesity, the public health impact of any effect on contraceptive efficacy could be substantial...
2016: Cochrane Database of Systematic Reviews
Richard S Yoon, Vineet Tyagi, Matthew B Cantlon, Aldo M Riesgo, Frank A Liporace
Technological advances and improved understanding of functional anatomy about the elbow have lead an evolution regarding operative reconstruction of complex proximal ulnar and coronoid fractures. When treating these complex and challenging fractures, goals of anatomic articular restoration along with balanced soft tissue stability can lead to early range of motion and thus, desired functional outcome. The purpose of this review is to outline and provide tips and pearls to achieve desired results, with a comprehensive update on the most recent literature to support the latest fixation methods and techniques...
October 2016: Injury
Jerry T Loo, Vinay Duddalwar, Frank K Chen, Tapas Tejura, Ilya Lekht, Mittul Gulati
Abdominal plain films are often the first imaging examination performed on a patient with abdominal pain in the emergency department. Radiograph findings can help guide clinical management and the need for advanced imaging. A pictorial review of a range of abdominal radiograph findings is presented, including bowel gas patterns, abdominal organ evaluation, pathologic gas, calcifications, implanted devices, and foreign bodies.
August 9, 2016: Abdominal Radiology
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