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https://www.readbyqxmd.com/read/28823143/stent-thrombosis-and-optimal-duration-of-dual-antiplatelet-therapy-after-coronary-stenting-in-contemporary-practice
#1
Min Soo Cho, Duk-Woo Park
The introduction of drug-eluting stents (DES) in the practice of percutaneous coronary intervention (PCI) has substantially reduced angiographic and clinical restenosis but is associated with an increasing propensity for very late stent thrombosis (ST). Among several clinical, lesion, or procedure-related predictors of ST, early discontinuation of dual antiplatelet therapy (DAPT) is the most important factor for DES-associated late thrombosis; therefore, the optimal duration of DAPT is a major issue to be critically considered in the current DES era...
August 22, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28806011/a-primer-on-bleeding-risk-and-management-strategies-of-newer-oral-anti-platelet-agents-in-cardiovascular-disease
#2
Jimmy Yee, Vishesh Kumar, Amornpol Anuwatworn, Marian Petrasko, Adam Stys
Aspirin, the first antiplatelet agent, has been around since the 19th century, and is one of the most established drugs in history. With the improvement of coronary interventions in the past few decades, there has been more reliance on oral antiplatelet agents to reduce complications of in-stent restenosis/thrombosis. Clopidogrel was initially introduced in 1997, and within the past seven years, two additional oral antiplatelet agents have been approved by the U.S. Food and Drug Administration. With more potent antiplatelet agents comes increased risks of adverse effects...
October 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28799239/left-atrial-appendage-occlusion-2016-in-review
#3
Manuel de J Ramos Ramirez, Bonnie Young, Kishore Harjai, Vernon Mascarenhas, Pugazhendhi Vijayaraman
A significant body of data has emerged in the area of Percutaneous Left Atrial Appendage Occlusion (LAAO). In this article, we present an overview of the most notable publications along with a review of the most important publications on LAAO in 2016. We also present important historical data such as landmark clinical studies, review of most utilized occlusion devices, and important clinical studies that are underway.
August 10, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28791601/analysis-of-timing-variability-in-human-movements-by-aligning-parameter-curves-in-time
#4
Lisa K Maurer, Heiko Maurer, Hermann Müller
The analysis of timing in human movements requires a reference with which timing can be quantified. In reactive movements this reference is given by the stimulus. However, many movements do not respond to such an external event. In throwing, for instance, the hand opening for release has to be timed to an acceleration of the throwing arm. A common approach to analyzing release-timing variability is to choose a landmark in the movement that is supposed to have a fixed temporal relation to the release. Such distinct landmarks, however, are not always well definable...
August 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28766699/a-method-of-factor-analysis-for-shape-coordinates
#5
EDITORIAL
Fred L Bookstein
Currently the most common reporting style for a geometric morphometric (GMM) analysis of anthropological data begins with the principal components of the shape coordinates to which the original landmark data have been converted. But this focus often frustrates the organismal biologist, mainly because principal component analysis (PCA) is not aimed at scientific interpretability of the loading patterns actually uncovered. The difficulty of making biological sense of a PCA is heightened by aspects of the shape coordinate setting that further diverge from our intuitive expectations of how morphometric measurements ought to combine...
August 2, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28765114/the-genie-is-out-of-the-bottle-landmark-cancer-genomics-dataset-released
#6
Kevin Litchfield, Samra Turajlic, Charles Swanton
In this issue of Cancer Discovery, an overview of the AACR Project GENIE, a landmark study in cancer genomics, is presented by The AACR Project GENIE Consortium. A summary of the goals and objectives of this ambitious program is provided, together with an analysis of the phase I cohort of 19,000 samples. Cancer Discov; 7(8); 796-8. ©2017 AACR.See related article by The AACR Project GENIE Consortium, p. 818.
August 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28757260/comparison-between-publicly-accessible-publications-registries-and-protocols-of-phase-iii-trials-indicated-persistence-of-selective-outcome-reporting
#7
Sheng Zhang, Fei Liang, Wenfeng Li
OBJECTIVES: The decision to make protocols of phase III randomized clinical trials (RCTs) publicly accessible by leading journals was a landmark event in clinical trial reporting. Here we compared primary outcomes defined in protocols with those in publications describing the trials, and in trial registration. STUDY DESIGN AND SETTING: We identified phase III RCTs published between January 1, 2012 and June 30, 2015 in The New England Journal of Medicine, The Lancet, The Journal of the American Medical Association and The BMJ with available protocols...
July 27, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28754256/on-the-integral-use-of-foundational-concepts-in-verifying-validity-during-skull-photo-superimposition
#8
Paul T Jayaprakash
Often cited reliability test on video superimposition method integrated scaling face-images in relation to skull-images, tragus-auditory meatus relationship in addition to exocanthion-Whitnall's tubercle relationship when orientating the skull-image and wipe mode imaging in addition to mix mode imaging when obtaining skull-face image overlay and evaluating the goodness of match. However, a report that found higher false positive matches in computer assisted superimposition method transited from the above foundational concepts and relied on images of unspecified sizes that are lesser than 'life-size', frontal plane landmarks in the skull- and face- images alone for orientating the skull-image and mix images alone for evaluating the goodness of match...
May 16, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28738189/surgical-landmarks-to-locating-the-main-trunk-of-the-facial-nerve-in-parotid-surgery-a-systematic-review
#9
Yisi D Ji, R Bruce Donoff, Zachary S Peacock, Eric R Carlson
PURPOSE: The purpose of this study was to describe distances from commonly used anatomic landmarks to the main trunk of the facial nerve during parotid surgery. MATERIALS AND METHODS: A systematic search of the published literature was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. All studies from January 1, 1990 to January 1, 2017 that measured distances to the main trunk of the facial nerve from common anatomic landmarks were eligible...
June 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28736864/brain-tumor-segmentation-using-holistically-nested-neural-networks-in-mri-images
#10
Ying Zhuge, Andra V Krauze, Holly Ning, Jason Y Cheng, Barbara C Arora, Kevin Camphausen, Robert W Miller
PURPOSE: Gliomas are rapidly progressive, neurologically devastating, largely fatal brain tumors. Magnetic Resonance Imaging (MRI) is a widely used technique employed in the diagnosis and management of gliomas in clinical practice. MRI is also the standard imaging modality used to delineate the brain tumor target as part of treatment planning for the administration of radiation therapy. Despite more than 20 years of research and development, computational brain tumor segmentation in MRI images remains a challenging task...
July 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28730682/structure-and-development-of-the-subesophageal-zone-of-the-drosophila-brain-i-segmental-architecture-compartmentalization-and-lineage-anatomy
#11
Volker Hartenstein, Jaison J Omoto, Kathy T Ngo, Darren Wong, Philipp A Kuert, Heinrich Reichert, Jennifer K Lovick, Amelia Younossi-Hartenstein
The subesophageal zone (SEZ) of the Drosophila brain houses the circuitry underlying feeding behavior and is involved in many other aspects of sensory processing and locomotor control. Formed by the merging of four neuromeres, the internal architecture of the SEZ can be best understood by identifying segmentally reiterated landmarks emerging in the embryo and larva, and following the gradual changes by which these landmarks become integrated into the mature SEZ during metamorphosis. In previous works, the system of longitudinal fibers (connectives) and transverse axons (commissures) has been utilized as a scaffold that provides internal landmarks for the neuromeres of the larval ventral nerve cord...
July 21, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28725962/optimal-positioning-of-the-nipple-areola-complex-in-men-using-the-mohrenheim-estimated-tangential-tracking-line-mett-line-an-intuitive-approach
#12
Tobias R Mett, Nicco Krezdorn, Rosalia Luketina, Maria K Boyce, Helga Henseler, Ramin Ipaktchi, Peter M Vogt
INTRODUCTION: The reconstruction of the body shape after post-bariatric surgery or high-grade gynecomastia involves, besides skin tightening, the repositioning of anatomical, apparent landmarks. The surgeon usually defines these during the preoperative planning. In particular, the positions of the nipple-areola complexes (NAC) should contribute to the gender-appropriate appearance. While in the female breast numerous methods have been developed to determine the optimal position of the NACs, there are only a few, metric and often impractical algorithms for positioning the nipples and areoles in the male...
July 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28715149/welcome-to-the-real-world-do-the-conditions-of-fda-approval-devalue-high-sensitivity-troponin
#13
Richard Body, Simon Mahler
In January 2017 the Food and Drug Administration (FDA) approved the first high sensitivity cardiac troponin (hs-cTn) assay for use in the United States: the 5(th) generation hs-cTnT assay manufactured by Roche Diagnostics. This landmark decision finally enables Americans to benefit from the same improvements in diagnostic technology that the rest of the world has utilized for some six years. This article is protected by copyright. All rights reserved.
July 17, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28712898/iatrogenic-vertebral-artery-injury-during-anterior-cervical-spine-surgery-a-systematic-review
#14
REVIEW
Qing Guan, Long Chen, Ye Long, Zhou Xiang
BACKGROUND: Iatrogenic vertebral artery injury (VAI) during anterior cervical surgery is rare but potentially catastrophic. METHOD: The causes, presentation, diagnosis, management, prognosis, and prevention of VAI were reviewed following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. English-language studies and case reports published from 1980 to 2017 were retrieved. Data on diagnosis, surgical procedures and approach, site and cause of VAI, management, outcomes, and VA status were extracted...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28712282/deformable-image-registration-in-radiation-therapy
#15
REVIEW
Seungjong Oh, Siyong Kim
The number of imaging data sets has significantly increased during radiation treatment after introducing a diverse range of advanced techniques into the field of radiation oncology. As a consequence, there have been many studies proposing meaningful applications of imaging data set use. These applications commonly require a method to align the data sets at a reference. Deformable image registration (DIR) is a process which satisfies this requirement by locally registering image data sets into a reference image set...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28710894/short-frontal-plane-fractures-involving-the-dorsoproximal-articular-surface-of-the-proximal-phalanx-description-of-the-injury-and-a-technique-for-repair
#16
I M Wright, G Minshall
BACKGROUND: Chip fractures of the dorsoproximal articular margin of the proximal phalanx are common injuries in racehorses. Large fractures can extend distal to the joint capsule insertion and have been described as dorsal frontal fractures. OBJECTIVES: To report the location and morphology of short frontal plane fractures involving the dorsoproximal articular surface of the proximal phalanx and to describe a technique for repair under arthroscopic and radiographic guidance...
July 15, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28707243/research-trends-and-hotspots-related-to-ammonia-oxidation-based-on-bibliometric-analysis
#17
Maosheng Zheng, Hui-Zhen Fu, Yuh-Shan Ho
Ammonia oxidation is the rate-limiting and central step in global biogeochemistry cycle of nitrogen. A bibliometric analysis based on 4314 articles extracted from Science Citation Index Expanded database was carried out to provide insights into publication performances and research trends of ammonia oxidation in the period 1991-2014. These articles were originated from a wide range of 602 journals and 95 Web of Science Categories, among which Applied and Environmental Microbiology and Environmental Sciences took the leading position, respectively...
July 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28706840/arthroscopic-excision-of-osteoid-osteoma-of-the-talus
#18
Iftach Hetsroni, Meir Nyska, Evgeny Edelshtein, Gideon Mann, Ezequiel Palmanovich
Osteoid osteoma is a benign tumor that can cause significant pain and disability. Excision of the tumor can be accomplished with open surgery or, as advocated in recent years, with computed tomography (CT)-guided radiofrequency ablation. In this article, a unique arthroscopic approach to excise an osteoid osteoma of the talus is presented. This was possible by relying on a clear intra-articular prominent osteophyte, which was used as a landmark to indicate tumor location in accordance with preoperative CT views...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705077/fifty-years-of-hemodialysis-access-literature-the-fifty-most-cited-publications-in-the-medical-literature
#19
Edvard Skripochnik, David J O'Connor, Eric B Trestman, Evan C Lipsitz, Larry A Scher
Objectives The modern era of hemodialysis access surgery began with the publication in 1966 by Brescia et al. describing the use of a surgically created arteriovenous fistula. Since then, the number of patients on chronic hemodialysis and the number of publications dealing with hemodialysis access have steadily increased. We have chronicled the increase in publications in the medical literature dealing with hemodialysis access by evaluating the characteristics of the 50 most cited articles. Methods We queried the Science Citation Index from the years 1960-2014...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28704130/scleral-thinning-documented-by-ultrasound-biomicroscopy-after-plaque-therapy-for-anterior-ciliary-melanoma
#20
B Kuzmanović Elabjer, M Bušić, D Miletić, M Bjeloš, N Vukojević, D Bosnar
PURPOSE: To evaluate, by ultrasound biomicroscopy (UBM), changes in scleral thickness after ruthenium-106 CCB and CCC plaque (Eckert & Ziegler BE-BIG GmbH, Berlin, Germany) therapy for anterior ciliary melanoma. METHODS: Eleven patients with anterior ciliary melanoma underwent ruthenium-106 CCB and CCC plaque radiation with a radiation dose at the tumor apex of 80-100 Gy. UBM measurements performed prior to and after treatment were as follows: the largest prominence of the tumor perpendicular to the sclera and scleral thickness at scleral spur, 1...
July 13, 2017: Seminars in Ophthalmology
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