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https://www.readbyqxmd.com/read/28799622/morphometric-variation-and-ray-allocation-of-human-proximal-hand-phalanges
#1
Fotios Alexandros Karakostis, Carlos Lorenzo, Konstantinos Moraitis
In previous studies, the anatomy of proximal hand phalanges has been described and techniques of anatomical allocation have been developed. However, these rely on the observation of small phalangeal traits without providing a multivariate analysis of morphological variation. In bioarchaeological contexts, the form of these distinctive traits is often not clear and the use of alternative supplementary methods is vital. This study aims to conduct a multivariate analysis of proximal phalanges and introduce a new methodology of ray allocation for isolated proximal phalanges...
August 11, 2017: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
https://www.readbyqxmd.com/read/28799490/neurotransplantation-therapy-and-cerebellar-reserve
#2
Jan Cendelin, Hiroshi Mitoma, Mario Manto
Neurotransplantation has been recently the focus of interest as a promising therapy to substitute lost cerebellar neurons and improve cerebellar ataxias. However, since cell differentiation and synaptic formation are required to obtain a functional circuitry, highly integrated reproduction of cerebellar anatomy is not a simple process. Rather than a genuine replacement, recent studies have shown that grafted cells rescue surviving cells from neurodegeneration by exerting trophic effects, supporting mitochondrial function, modulating neuroinflammation, stimulating endogenous regenerative processes, and facilitating cerebellar compensatory properties thanks to neural plasticity...
August 10, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28797305/improved-success-rates-using-videolaryngoscopy-in-unexperienced-users-a-randomized-crossover-study-in-airway-manikins
#3
Hendrik Eismann, Lion Sieg, Nicola Etti, Lars Friedrich, Christian Schröter, Philipp Mommsen, Christian Krettek, Christian Zeckey
BACKGROUND: Videolaryngoscopy has been proven to be a safe procedure managing difficult airways in the hands of airway specialists. Information about the success rates in unexperienced users of videolaryngoscopy compared to conventional laryngoscopy is sparse. Therefore, we aimed to evaluate if there might be more success in securing an airway if the unexperienced provider is using a videolaryngoscope in simulated airways in a randomized manikin study. Differences between commonly used videolaryngoscopes were elucidated...
August 10, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28795411/does-ultrasound-enhanced-instruction-of-musculoskeletal-anatomy-improve-physical-examination-skills-of-first-year-medical-students
#4
Bryant J Walrod, Allison Schroeder, Mark J Conroy, Laura C Boucher, Marcia Bockbrader, David P Way, Kendra L McCamey, Clinton A Hartz, Michael A Jonesco, David P Bahner
OBJECTIVES: Ultrasound imaging is commonly used to teach basic anatomy to medical students. The purpose of this study was to determine whether learning musculoskeletal anatomy with ultrasound improved performance on medical students' musculoskeletal physical examination skills. METHODS: Twenty-seven first-year medical students were randomly assigned to 1 of 2 instructional groups: either shoulder or knee. Both groups received a lecture followed by hands-on ultrasound scanning on live human models of the assigned joint...
August 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28791730/arterial-supply-of-the-thumb-systemic-review
#5
REVIEW
J Miletin, A Sukop, V Baca, D Kachlik
INTRODUCTION: We offer a complete systematic review of the anatomy of arteries of the thumb, including their sources in the first web space. MATERIALS AND METHODS: Eleven studies were selected from the PubMed, Medline, Embase, Scopus and Ovid databases. Data about each artery of the thumb were obtained; in particular, the incidence and dominance of each of these arteries were calculated. RESULTS: The ulnopalmar digital artery of the thumb (UPDAT) was found in 99...
August 9, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28770484/high-resolution-mr-lymphangiography-for-planning-lymphaticovenous-anastomosis-treatment-a-single-centre-experience
#6
Maria Antonietta Mazzei, Francesco Gentili, Francesco Giuseppe Mazzei, Paolo Gennaro, Duccio Guerrieri, Andrea Nigri, Guido Gabriele, Elisabetta Weber, Alfonso Fausto, Giuseppe Botta, Luca Volterrani
PURPOSE: This article illustrates the feasibility of MR lymphangiography (MRL) for imaging lymphatic vessels in patients with lymphedema, its accuracy in distinguishing lymphatic vessels from veins, and its utility for planning Lymphaticovenous anastomosis (LVA) treatment. MATERIALS AND METHODS: We prospectively enrolled 30 patients (24 women, range 18-70, 17 cases of lower limb lymphedema, 6 cases of primary lymphedema). All the patients underwent MRL, using a 1...
August 2, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28768919/pediatric-craniovertebral-junction-surgery
#7
Nobuhito Morota
The craniovertebral junction (CVJ) has attracted more attention in pediatric medicine in recent years due to the progress in surgical technologies allowing a direct approach to the CVJ in children. The CVJ is the site of numerous pathologies, most originating in bone anomalies resulting from abnormal CVJ development. Before discussing the surgical approaches to CVJ, three points should be borne in mind: first, that developmental anatomy demonstrates age-dependent mechanisms and the pathophysiology of pediatric CVJ anomalies; second, that CT-based dynamic simulations have improved our knowledge of functional anatomy, enabling us to locate CVJ lesions with greater certainty; and third, understanding the complex structure of the pediatric CVJ also clarifies the surgical anatomy...
August 1, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28762179/vaginal-laxity-what-does-this-symptom-mean
#8
Hans Peter Dietz, Martyna Stankiewicz, Ixora Kamisan Atan, Caroline Wanderley Ferreira, Maciej Socha
INTRODUCTION AND HYPOTHESIS: Vaginal laxity is a poorly understood symptom of pelvic floor dysfunction. The purpose of this study was to investigate associations between the symptom of vaginal laxity and its bother on the one hand, and demographic data, other symptoms, and findings on examination on the other hand. METHODS: This was a retrospective observational study at a tertiary urogynecological unit. A total of 337 patients were seen for a standardized interview, clinical examination (ICS POP-Q) and 4D translabial ultrasonography...
July 31, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28756962/evaluation-of-different-techniques-for-filling-simulated-c-shaped-canals-of-3-dimensional-printed-resin-teeth
#9
Tuba Gok, Ismail Davut Capar, Ilgin Akcay, Ali Keles
INTRODUCTION: The purpose of this study was to compare the ability of different root canal filling methods on the C1 root canal anatomy using 3-dimensional (3D) printer technology. METHODS: Mandibular molars were scanned with cone-beam computed tomographic (CBCT) imaging. A mandibular molar tooth with a C1 root canal configuration was selected according to images obtained from CBCT technology. The root canals were shaped with ProTaper Universal rotary instruments (Dentsply Maillefer, Ballaigues, Switzerland) and hand files...
July 27, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28744292/xylem-and-leaf-functional-adjustments-to-drought-in-pinus-sylvestris-and-quercus-pyrenaica-at-their-elevational-boundary
#10
Laura Fernández-de-Uña, Sergio Rossi, Ismael Aranda, Patrick Fonti, Borja D González-González, Isabel Cañellas, Guillermo Gea-Izquierdo
Climatic scenarios for the Mediterranean region forecast increasing frequency and intensity of drought events. Consequently, a reduction in Pinus sylvestris L. distribution range is projected within the region, with this species being outcompeted at lower elevations by more drought-tolerant taxa such as Quercus pyrenaica Willd. The functional response of these species to the projected shifts in water availability will partially determine their performance and, thus, their competitive success under these changing climatic conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28733743/therapeutic-peroral-direct-cholangioscopy-using-a-single-balloon-enteroscope-in-patients-with-roux-en-y-anastomosis-with-videos
#11
Hiroshi Yamauchi, Mitsuhiro Kida, Kosuke Okuwaki, Shiro Miyazawa, Takaaki Matsumoto, Kazuho Uehara, Eiji Miyata, Rikiya Hasegawa, Toru Kaneko, Issaree Laopeamthong, Yang Lei, Tomohisa Iwai, Hiroshi Imaizumi, Wasaburo Koizumi
BACKGROUND: Peroral cholangioscopic lithotripsy is a useful procedure in patients with a normal gastrointestinal anatomy who have difficult-to-treat stones. We evaluated the usefulness of peroral direct cholangioscopy (PDCS) using single-balloon enteroscope (SBE) in patients with difficult-to-treat stones who had undergone Roux-en-Y reconstruction. METHODS: Among 118 patients (169 sessions) who underwent SBE-assisted endoscopic retrograde cholangiopancreatography to treat biliary stones after Roux-en-Y reconstruction, patients in whom it was difficult to remove biliary stones via a transpapillary or transanastomotic approach and difficult to switch to ultra-slim endoscope, were retrospectively enrolled...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28732208/longitudinal-investigation-of-the-parietal-lobe-anatomy-in-bipolar-disorder-and-its-association-with-general-functioning
#12
Adele Ferro, Carolina Bonivento, Giuseppe Delvecchio, Marcella Bellani, Cinzia Perlini, Nicola Dusi, Veronica Marinelli, Mirella Ruggeri, A Carlo Altamura, Benedicto Crespo-Facorro, Paolo Brambilla
The parietal lobe (PL) supports cognitive domains, including attention and memory, which are impaired in bipolar disorder (BD). Although cross-sectional voxel-based morphometry studies found reduced PL grey matter (GM) in BD, none has longitudinally focused on PL anatomy in BD, relating it to patients' functioning. Thirty-eight right-handed BD patients and 42 matched healthy subjects (HS) underwent a Magnetic Resonance Imaging (MRI) scan at baseline. Seventeen BD patients and 16 matched HS underwent a follow-up MRI...
June 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28725918/a-comprehensive-review-of-motor-innervation-of-the-hand-variations-and-clinical-significance
#13
REVIEW
Sacha Wynter, Lakal Dissabandara
PURPOSE: The objective of the present review is to assemble the recognized anatomical variations, classifications, and clinical evidence with regard to innervation of the hand and discuss the clinical significance of these variations. METHODS: The material for this review was obtained by exploring PubMed and Google Scholar (search terms: hand innervation, variations of ulnar nerve, variations of median nerve, variations of radial nerve) as well as from standard anatomy texts...
July 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28723230/retrograde-endourological-management-of-upper-urinary-tract-abnormalities-in-patients-with-ileal-conduit-urinary-diversion-a-dual-center-experience
#14
Louise Olson, Hywel Satherley, Paul Cleaveland, Bachar Zelhof, Max Mokete, Donald Neilson, Shalom Srirangam
INTRODUCTION: Patients with ileal conduit urinary diversions are at an increased risk of long-term upper urinary tract (UUT) complications, including anastomotic strictures, infections, and urolithiasis. The reconstructed urinary system poses challenges for endoscopic manipulation. We present and describe our dual-center experience in performing retrograde ureteroscopy to treat or diagnose UUT abnormalities in patients with ileal conduit incontinent diversion. PATIENT AND METHODS: We performed a retrospective analysis of medical records for all patients with previous urinary diversion who underwent retrograde ureteroscopic procedures via the ileal loop in our institutions over a 9 year period (between June 2007 and August 2016)...
July 19, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28719556/inadvertent-harvest-of-the-median-nerve-instead-of-the-palmaris-longus-tendon
#15
Bruce M Leslie, A Lee Osterman, Scott W Wolfe
BACKGROUND: The palmaris longus tendon is frequently used as a tendon graft or ligament replacement. In rare instances the median nerve has been inadvertently harvested instead of the palmaris longus for use as a tendon. METHODS: Nineteen cases in which the median nerve had been mistakenly harvested instead of the palmaris longus tendon were collected from members of the American Society for Surgery of the Hand (ASSH) Listserve. Surgeons involved in the subsequent care of the subject who had had an inadvertent harvest were contacted or the chart was reviewed...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28694679/a-clinical-perspective-on-a-pain-neuroscience-education-approach-to-manual-therapy
#16
Adriaan Louw, Jo Nijs, Emilio J Puentedura
In recent years, there has been an increased interest in pain neuroscience education (PNE) in physical therapy. There is growing evidence for the efficacy of PNE to decrease pain, disability, fear-avoidance, pain catastrophization, limited movement, and health care utilization in people struggling with pain. PNE teaches people in pain more about the biology and physiology of their pain experience including processes such as central sensitization, peripheral sensitization, allodynia, inhibition, facilitation, neuroplasticity and more...
July 2017: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/28690437/the-use-of-modular-electronic-neuron-simulators-for-neural-circuit-construction-produces-learning-gains-in-an-undergraduate-anatomy-and-physiology-course
#17
Andrew Petto, Zachary Fredin, Joseph Burdo
During the spring of 2016 at the University of Wisconsin-Milwaukee, we implemented a novel educational technology designed to teach undergraduates about the nervous system while allowing them to physically construct their own neural circuits. Modular, electronic neuron simulators called NeuroBytes were used by the students in BIOSCI202 Anatomy and Physiology I, a four-credit course consisting of three hours per week each of lecture and laboratory time. 162 students participated in the laboratory sessions that covered reflexes; 83 in the experimental sections used the NeuroBytes to build a model of the patellar tendon reflex, while 79 in the control sections participated in alternate reflex curricula...
2017: Journal of Undergraduate Neuroscience Education: JUNE: a Publication of FUN, Faculty for Undergraduate Neuroscience
https://www.readbyqxmd.com/read/28667813/twin-hearts-in-identical-twins
#18
John Papanikolaou, Nikolaos Platogiannis, Nikolaos Nikoloulis, Athanasios Tsiampalis, Nikitas Karavidas, Dimitrios Platogiannis
Cardiac manifestations and angiographic characteristics of coronary artery disease in identical twins have been previously dealt with in a handful of case reports and series; yet, the results were highly controversial. Our rare case demonstrates striking similarities in both the timing and type of clinical manifestation, as well as in the underlying anatomy and the distribution of coronary artery disease. When premature coronary artery disease is found in one of a monozygotic twin pair, evaluating the other twin is a reasonable approach...
July 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28662061/ultra-high-field-upper-extremity-peripheral-nerve-and-non-contrast-enhanced-vascular-imaging
#19
Shailesh B Raval, Cynthia A Britton, Tiejun Zhao, Narayanan Krishnamurthy, Tales Santini, Vijay S Gorantla, Tamer S Ibrahim
OBJECTIVE: The purpose of this study was to explore the efficacy of Ultra-high field [UHF] 7 Tesla [T] MRI as compared to 3T MRI in non-contrast enhanced [nCE] imaging of structural anatomy in the elbow, forearm, and hand [upper extremity]. MATERIALS AND METHOD: A wide range of sequences including T1 weighted [T1] volumetric interpolate breath-hold exam [VIBE], T2 weighted [T2] double-echo steady state [DESS], susceptibility weighted imaging [SWI], time-of-flight [TOF], diffusion tensor imaging [DTI], and diffusion spectrum imaging [DSI] were optimized and incorporated with a radiofrequency [RF] coil system composed of a transverse electromagnetic [TEM] transmit coil combined with an 8-channel receive-only array for 7T upper extremity [UE] imaging...
2017: PloS One
https://www.readbyqxmd.com/read/28656146/incidental-and-underreported-pleural-plaques-at-chest-ct-do-not-miss-them-asbestos-exposure-still-exists
#20
Maria Antonietta Mazzei, Francesco Contorni, Francesco Gentili, Susanna Guerrini, Francesco Giuseppe Mazzei, Antonio Pinto, Nevada Cioffi Squitieri, Antonietta Gerardina Sisinni, Valentina Paolucci, Riccardo Romeo, Pietro Sartorelli, Luca Volterrani
Pleural plaques (PPs) may be a risk factor for mortality from lung cancer in asbestos-exposed workers and are considered to be a marker of exposure. Diagnosing PPs is also important because asbestos-exposed patients should be offered a health surveillance that is mandatory in many countries. On the other hand PPs are useful for compensation purposes. In this study we aimed to evaluate the prevalence, as incidental findings, and the underreporting rate of PPs in chest CT scans (CTs) performed in a cohort of patients (1512) who underwent chest CT with a slice thickness no more than 1...
2017: BioMed Research International
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