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https://www.readbyqxmd.com/read/28508263/new-insights-into-the-anatomy-of-the-midface-musculature-and-its-implications-on-the-nasolabial-fold
#1
Chelsea C Snider, Ashley N Amalfi, Lauren E Hutchinson, Nicole Z Sommer
BACKGROUND: The prominent nasolabial fold is a distinct feature of the aging midface. As minimally invasive procedures have become mainstream, chemodenervation is a preferred method for treating dynamic facial rhytids. We therefore sought to identify relevant nasolabial fold and midfacial muscular anatomy to determine the ideal location of neuromodulation to improve the aesthetics of the midface and nasolabial fold without altering the upper lip and smile. METHODS: Twelve hemifacial cadaveric dissections were performed to identify midface muscle origin, insertion, width, vector of pull, and neighboring structures...
May 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28473073/acr-appropriateness-criteria-%C3%A2-known-or-suspected-congenital-heart-disease-in-the-adult
#2
Pamela K Woodard, Vincent B Ho, Scott R Akers, Garth Beache, Richard K J Brown, Kristopher W Cummings, S Bruce Greenberg, James K Min, Arthur E Stillman, Jadranka Stojanovska, Jill E Jacobs
The incidence of congenital heart disease (CHD) has been increasing in the adult patient population in part as a result of better patient survival. Patients with more severe CHD are living longer. Nearly all adults with known CHD require periodic imaging as a means of monitoring their disease process. Furthermore, adult patients with suspected CHD require imaging as a means of definitive diagnosis. As a result, it is important for both the referring clinician and the imager to be aware of the most appropriate imaging modality needed to obtain the data most needed to direct the next steps in patient care...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28441114/neural-circuitry-of-reward-prediction-error
#3
Mitsuko Watabe-Uchida, Neir Eshel, Naoshige Uchida
Dopamine neurons facilitate learning by calculating reward prediction error, or the difference between expected and actual reward. Despite two decades of research, it remains unclear how dopamine neurons make this calculation. Here we review studies that tackle this problem from a diverse set of approaches, from anatomy to electrophysiology to computational modeling and behavior. Several patterns emerge from this synthesis: that dopamine neurons themselves calculate reward prediction error, rather than inherit it passively from upstream regions; that they combine multiple separate and redundant inputs, which are themselves interconnected in a dense recurrent network; and that despite the complexity of inputs, the output from dopamine neurons is remarkably homogeneous and robust...
April 24, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28383365/design-and-validation-of-a-three-dimensional-printed-flexible-canine-otoscopy-teaching-model
#4
Belle Marie D Nibblett, Mary Mauldin Pereira, Fortune Sithole, Paul A D Orchard, Eric B Bauman
INTRODUCTION: A teaching model was sought to improve canine otoscopy skill and reduce use of teaching dogs. METHODS: An otoscopy teaching model was printed in a flexible medium on a desktop three-dimensional printer from a magnetic resonance image of a canine external ear canal. The model was mounted in a polyvinyl dog mannequin. Validation of the teaching model was sought from student, faculty, and dog perspective. Student perception of prelaboratory training was assessed using a survey regarding their experience...
April 5, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28378185/cervico-mental-angle-suspensory-ligament-the-keystone-to-understand-the-cervico-mental-angle-and-the-ageing-process-of-the-neck
#5
Daniel Labbé, Cynthia Souza Martins Rocha, Franklin de Souza Rocha
The authors performed cadaveric dissections to investigate the existence of an anatomical structure creating and maintaining the cervical mental angle, aiming to understand the anatomical bases of the cervico-mental angle and its modifications over time. Six fresh cadaver dissections were performed; four were done in the Caen University anatomy laboratory one in Paris XV University and one in the Coventry University hospital, England. At the end of this investigation, the authors were able to demonstrate the existence of an anatomical structure in the neck, the cervico-mental angle suspensory ligament...
April 4, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28373141/spine-hip-relations-add-understandings-to-the-pathophysiology-of-femoro-acetabular-impingement-a-systematic-review
#6
REVIEW
C Rivière, A Hardijzer, J-Y Lazennec, P Beaulé, S Muirhead-Allwood, J Cobb
Relationship between hip pathoanatomy and symptomatic FAI has been reported to be weak. This is explained by the reciprocal interaction between proximal femur and acetabular anatomies, but potentially also by the individual spine-hip relations (SHR). The key-answer for a complete understanding of the pathophysiology of FAI might lie in the comprehension of the SHRs, which have not yet been fully addressed. Therefore we conducted a systematic review to answer the subsequent questions: Is there any evidence of a relationship between FAI and (1) sagittal pelvic kinematics, (2) pelvic incidence, and (3) types of SHRs? A systematic review of the existing literature utilizing PubMed and Google search engines was performed in December 2016...
June 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28314908/anatomy-and-aesthetics-of-the-labia-minora-the-ideal-vulva
#7
REVIEW
C Clerico, A Lari, A Mojallal, F Boucher
Female genital cosmetic surgery is becoming more and more widespread both in the field of plastic and gynaecological surgery. The increased demand for vulvar surgery is spurred by the belief that the vulva is abnormal in appearance. What is normal in terms of labial anatomy? Labia minora enlargement or hypertrophy remains a clinical diagnosis which is poorly defined as it could be considered a variation of the normal anatomy. Enlarged labia minora can cause functional, aesthetic and psychosocial problems. In reality, given the wide variety of vulvar morphology among people, it is a very subjective issue to define the "normal" vulva...
March 10, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28251026/publication-rates-and-inconsistencies-of-the-abstracts-presented-at-the-national-anatomy-congresses-in-2007-and-2008
#8
İlke Ali Gürses, Özcan Gayretli, Başak Gürtekin, Adnan Öztürk
BACKGROUND: Despite significant efforts made for, most abstracts presented during a meeting do not proceed and publish as a manuscript in scientific journals. AIMS: To investigate publication rates of national anatomy congresses. STUDY DESIGN: Descriptive study. METHODS: All abstracts presented at two annual meetings in 2007 and 2008 were extracted. PubMed and Google Scholar database search used for publication history...
January 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28248411/reflective-journals-unmasking-student-perceptions-of-anatomical-education
#9
Lelika Lazarus, Reshma Sookrajh, Kapil Sewsaran Satyapal
In medical education, reflection has been considered to be a core skill in professional competence. The anatomy laboratory is an ideal setting for faculty/student interaction and provides invaluable opportunities for active learning and reflection on anatomical knowledge. This study was designed to record student attitudes regarding human cadaveric dissection, explore their experiences of anatomy through an analysis of their journal-reflective writings and determine whether this type of creative writing had a beneficial effect on those students who chose to complete them...
March 1, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28246506/papilian-s-anatomy-celebrating-six-decades
#10
Dinu Iuliu Dumitraşcu, Carmen Bianca Crivii, Iulian Opincariu
Victor Papilian was born an artist, during high school he studied music in order to become a violinist in two professional orchestras in Bucharest. Later on he enrolled in the school of medicine, being immediately attracted by anatomy. After graduating, with a briliant dissertation, he became a member of the faculty and continued to teach in his preferred field. His masters, Gh. Marinescu and Victor Babes, proposed him for the position of professor at the newly established Faculty of Medicine of Cluj. Here he reorganized the department radically, created an anatomy museum and edited the first dissection handbook and the first Romanian anatomy (descriptive and topographic) treatise, both books received with great appreciation...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28243306/canal-configuration-of-mesiobuccal-roots-in-permanent-maxillary-first-molars-in-iranian-population-a-systematic-review
#11
Mandana Naseri, Mohammad Javad Kharazifard, Sepanta Hosseinpour
OBJECTIVES: It is essential for clinicians to have adequate knowledge about root canal configurations; although its morphology varies largely in different ethnicities and even in different individuals with the same ethnic background. The current study aims to review the root canal configurations of mesiobuccal roots of maxillary first molars in an Iranian population based on different epidemiological studies. MATERIALS AND METHODS: A comprehensive search was conducted to retrieve articles related to root canal configuration and prevalence of each type of root canal based on Vertucci's classification for the mesiobuccal root of maxillary first molars...
November 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28204937/a-new-approach-to-upper-eyelid-reconstruction
#12
A Bulla, C Vielà, L Fiorot, A Bolletta, E Pancrazi, G V Campus
BACKGROUND: Reconstruction of large defects of the upper eyelid is challenging because of its complex anatomy and specialized function. The aim of this work is to develop a single-stage reconstruction procedure based on a new approach. The technique consists of the advancement of an orbicularis oculi myocutaneous flap designed within the blepharoplasty skin excision pattern. METHODS: After the tumor's excision is completed with clear margins, the borders of the flap are incised down to the submuscular plane inside the classical pattern of upper eyelid blepharoplasty...
February 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28161481/munich-anatomy-and-the-distribution-of-bodies-from-the-stadelheim-execution-site-during-national-socialism
#13
Mathias Schütz, Jens Waschke, Georg Marckmann, Florian Steger
During the reign of National Socialism (NS) anatomical institutes regularly received bodies of executed prisoners in steadily increasing numbers. After 1939, the execution site at Stadelheim prison in Munich supplied not only Munich anatomy but also the institutes in Erlangen, Innsbruck and Würzburg. Due to the disappearance of the Munich body journals, the exact dimension and procedure of body procurement from Stadelheim remained unknown for 70 years. After consultation of a wide range of sources, including rediscovered fragments of the body journals, it is now possible to give an almost comprehensive account of the developments...
February 2, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28135387/the-opioid-epidemic-what-does-it-mean-for-nurses
#14
Laura G Leahy
The United States is facing a major crisis with the current opioid epidemic. Tens of thousands of individuals are dying each year due to abuse and misuse of heroin and prescription opiate drugs. Nurses play an integral role in these aspects of health care and offer solutions by providing education; preventive measures; treatments, including medication-assisted treatments (MATs); and ongoing recovery options for individuals with opioid use disorders. Nurses provide education, issue prescriptions and dispense medications, and provide overall physical and mental health care to patients struggling with this "disease of the brain," and with the signing of the Comprehensive Addiction and Recovery Act, advanced practice RNs will soon be able to include MATs related to buprenorphine as part of their treatment plan...
January 1, 2017: Journal of Psychosocial Nursing and Mental Health Services
https://www.readbyqxmd.com/read/28129720/effective-methods-of-teaching-and-learning-in-anatomy-as-a-basic-science-a-beme-systematic-review-beme-guide-no-44
#15
C Dominique Losco, William D Grant, Anthony Armson, Amanda J Meyer, Bruce F Walker
BACKGROUND: Anatomy is a subject essential to medical practice, yet time committed to teaching is on the decline, and resources required to teach anatomy is costly, particularly dissection. Advances in technology are a potential solution to the problem, while maintaining the quality of teaching required for eventual clinical application. AIM: To identify methods used to teach anatomy, including those demonstrated to enhance knowledge acquisition and retention. METHODS: PubMed, CINAHL, ERIC, Academic OneFile, ProQuest, SAGE journals and Scopus were search from the earliest entry of each database to 31 August 2015...
March 2017: Medical Teacher
https://www.readbyqxmd.com/read/28099327/a-meta-analysis-and-systematic-review-success-of-endoscopic-ultrasound-guided-biliary-stenting-in-patients-with-inoperable-malignant-biliary-strictures-and-a-failed-ercp
#16
REVIEW
Harsha Moole, Matthew L Bechtold, David Forcione, Srinivas R Puli
BACKGROUND: In patients with inoperable malignant biliary strictures, endoscopic retrograde cholangiopancreatography (ERCP) guided biliary stenting fails in 5% to 10% patients due to difficult anatomy/inability to cannulate the papilla. Recently, endoscopic ultrasound guided biliary drainage (EUS-BD) has been described.Primary outcomes were to evaluate the biliary drainage success rates with EUS and compare it to percutaneous transhepatic biliary drainage (PTBD). Secondary outcomes were to evaluate overall procedure related complications...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28069095/deficits-in-social-cognition-an-unveiled-signature-of-multiple-sclerosis
#17
Moussa A Chalah, Samar S Ayache
BACKGROUND AND OBJECTIVES: Multiple sclerosis (MS) is a chronic progressive inflammatory disease of the central nervous system, representing the primary cause of non-traumatic disability in young adults. Cognitive dysfunction can affect patients at any time during the disease process and might alter the six core functional domains. Social cognition is a multi-component construct that includes the theory of mind, empathy and social perception of emotions from facial, bodily and vocal cues...
January 10, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28032167/facing-the-worst-risk-confronting-the-dorsal-nasal-artery-implication-for-non-surgical-procedures-of-nasal-augmentation
#18
Tanvaa Tansatit, Prawit Apinuntrum, Thavorn Phetudom
BACKGROUND: The nose is a dangerous site for filler injection. This study investigated the anatomy of the dorsal nasal artery at the upper part of the nose to clarify how ocular complications occur. METHODS: Dissections were performed in 50 noses of the embalmed cadavers. Either the soft embalming or formaldehyde embalming processes were used. RESULTS: The dorsal nasal artery is not a constant artery. The artery traveled in the subcutaneous tissue layer of the nasal dorsum on the transverse nasalis muscle and its midline nasal aponeurosis which connected the muscles on both sides...
February 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28032160/cadaveric-assessment-of-lip-injections-locating-the-serious-threats
#19
Tanvaa Tansatit, Prawit Apinuntrum, Thavorn Phetudom
BACKGROUND: Lip augmentation could be a possible cause of blindness following filler injections. This study evaluated the risk by simulating clinical scenarios of marginal injections to the upper and lower lips and then evaluated the risk of vascular injuries. METHODS: A 22G cannula was inserted bilaterally along the wet-dry junction of the upper and lower lip margins in fifteen cadavers, and then both lips were dissected to verify possible injuries to the superior and inferior labial arteries...
April 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28005657/influence-of-orbital-implant-length-and-diameter-on-stress-distribution-a-finite-element-analysis
#20
Zhang Xing, Ling Song Chen, Wei Peng, Ling Jian Chen
PURPOSE: A mathematical simulation of stress distribution around orbital implants was used to determine which length and diameter of implants would be best to dissipate stress. METHODS: An integrated system for computed tomography data was utilized to create a 3-dimensional model of craniofacial structures. The model simulated implants placed in the 7, 11, and 12 o'clock positions of the orbital rim. A load of 2 N was applied to the model along the long axis of the implant (model 1) and an angle of 45° with the long axis of the implant (model 2)...
March 2017: Journal of Craniofacial Surgery
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