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https://www.readbyqxmd.com/read/29218386/anatomical-study-of-medial-sural-artery-and-its-perforators-in-nepalese-an-aid-to-reconstructive-surgery
#1
Laju Maya Basnet, Samit Kumar Ghosh, Sunara Shrestha, Shaligram Dhungel
OBJECTIVE: The present study was undertaken to know the anatomical basis of medial sural artery (MSA) and its perforators in Nepalese. METHODS: The popliteal arteries of 16 preserved cadaveric lower limbs were injected with a mixture of red ink and glycerine. The number, location, diameter of perforators; length and intramuscular course of pedicle; the branching pattern of MSA were observed and measured. RESULTS: The mean of 2.2 ± 1.2 perforators (range 0-4) was observed...
December 7, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29218383/linburg-comstock-variation-and-syndrome-a-meta-analysis
#2
REVIEW
Kaissar Yammine, Mirela Erić
INTRODUCTION: Linburg-Comstock variation often connecting the flexor pollicis longus and flexor digitorum profundus of the index finger at a different level with significant discrepancy between clinical and cadaveric frequencies reported in the literature. Although this variation is quite prevalent, it is yet frequently unrecognized. The aim of this meta-analysis is to generate more accurate weighted frequency values of the Linburg-Comstock variation and to look for possible association with ethnicity, laterality, gender and side...
December 7, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29216919/the-acutely-injured-acromioclavicular-joint-which-imaging-modalities-should-be-used-for-accurate-diagnosis-a-systematic-review
#3
Jonas Pogorzelski, Knut Beitzel, Francesco Ranuccio, Klaus Wörtler, Andreas B Imhoff, Peter J Millett, Sepp Braun
BACKGROUND: The management of acute acromioclavicular (AC) joint injuries depends on the degree of injury diagnosed by the Rockwood classification. Inadequate imaging and not selecting the most helpful imaging protocols can often lead to incorrect diagnosis of the injury. A consensus on a diagnostic imaging protocol for acute AC joint injuries does not currently exist. Therefore we conducted a systematic review of the literature considering three diagnostic parameters for patients with acromioclavicular (AC) joint injuries: 1) Assessment of vertical instability; 2) Assessment of horizontal instability; 3) Benefit of weighted panoramic views...
December 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29216701/-a-cadaveric-study-of-a-new-capsulorrhaphy-for-the-surgical-treatment-of-hallux-valgus
#4
S L Orozco-Villaseñor, M Monzó-Planella, X Martín-Oliva, J Vázquez-Escamilla, J J Mayagoitia-Vázquez, J E Frías-Chimal
BACKGROUND: There are many surgical options for the treatment of hallux valgus in combination with capsular repairs for the correction of hallux valgus. MATERIAL AND METHODS: This report corresponds to a descriptive study where a new capsulorrhaphy technique in hallux valgus is proposed. Six dissections were performed on cadavers with hallux valgus deformity using the following surgical technique: medial approach on the first toe longitudinally, dissecting by planes and locating the metatarsophalangeal joint capsule; it was incised longitudinally...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29215500/feasibility-and-accuracy-of-thoracolumbar-minimally-invasive-pedicle-screw-placement-with-augmented-reality-navigation-technology
#5
Adrian Elmi Terander, Rami Nachabe, Halldor Skulason, Kyrre Pedersen, Michael Söderman, John Racadio, Drazenko Babic, Paul Gerdhem, Erik Edström
STUDY DESIGN: Cadaveric laboratory study. OBJECTIVE: To assess the feasibility and accuracy of minimally invasive thoracolumbar pedicle screw placement using augmented reality (AR) surgical navigation SUMMARY OF BACKGROUND DATA.: Minimally invasive spine (MIS) surgery has increasingly become the method of choice for a wide variety of spine pathologies. Navigation technology based on AR has been shown to be feasible, accurate and safe in open procedures. AR technology may also be used for MIS surgery...
December 5, 2017: Spine
https://www.readbyqxmd.com/read/29215442/an-anatomic-morphological-study-of-occipital-spurs-in-human-skulls
#6
Monika Srivastava, Adil Asghar, Nitya Nand Srivastava, Nandkishore Gupta, Anuj Jain, Jayant Verma
Occipital spurs are quite common; however, they are also the source of frequent discomfort to the patients. Their role has been implicated in causation of pain at the base of skull, which may extend to shoulder limiting the movement of the shoulder and neck. The present was carried out to find out the prevalence of occipital spur in human skull and to find out the anatomic morphological characteristics of occipital spur. A total of 30 cadaveric skulls were examined in the Department of Anatomy, Uttar Pradesh University of Medical Sciences, for the presence of occipital spur...
December 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29214465/the-peripheral-soft-tissues-should-not-be-ignored-in-the-finite-element-models-of-the-human-knee-joint
#7
Hamid Naghibi Beidokhti, Dennis Janssen, Sebastiaan van de Groes, Nico Verdonschot
In finite element models of the either implanted or intact human knee joint, soft tissue structures like tendons and ligaments are being incorporated, but usually skin, peripheral knee soft tissues, and the posterior capsule are ignored and assumed to be of minor influence on knee joint biomechanics. It is, however, unknown how these peripheral structures influence the biomechanical response of the knee. In this study, the aim was to assess the significance of the peripheral soft tissues and posterior capsule on the kinematics and laxities of human knee joint, based on experimental tests on three human cadaveric specimens...
December 7, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29210842/electrodiagnostic-evidence-of-berrettini-anastomosis
#8
Madeleine E Seidel, Geoffrey K Seidel, David Hakopian, Erich Hornbach, Michael Andary
PURPOSE: Cadaveric palmar dissections reveal an ulnar sensory crossover (Berrettini anastomosis) to the third common palmar nerve so frequently that this crossover is considered a normal part of the anatomy. No literature has documented electrophysiologic evidence of the Berrettini anastomosis (BA). Presentation of third digit ulnar sensory crossover waveforms. METHODS: Retrospective chart review case series. Clinical office. Nerve conduction waveforms and data...
November 23, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29209990/surgical-anatomy-of-the-right-gastro-omental-artery-a-study-on-100-cadaver-dissections
#9
Nicla Settembre, Marc Labrousse, Pierre Edouard Magnan, Alain Branchereau, Pierre Champsaur, Rossana Bussani, Marc Braun, Sergueï Malikov
PURPOSE: The gastro-omental artery (GOA) with the greater omentum (GO) is known for its high quality as a vascular graft, its resistance to infections as an omental flap and for its multiple applications in surgery. A better knowledge of anatomical variations of GO and its vascularization can improve the application in surgery and decrease complications. The purpose of this study was to measure diameters and lengths of the right GOA (RGOA) and study the interindividual variability of these anatomical structures...
December 5, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29209808/minimal-influence-of-the-anterolateral-knee-ligament-on-anterior-and-rotational-laxity-of-the-knee-a-cadaveric-study
#10
Jean-Yves Jenny, Benjamin Puliero, Gilles Schockmel, Sébastien Harnoist, Philippe Clavert
Knee laxity may be impacted by rupture of the anterolateral knee ligament (ALL). The goal of this study was to measure tibial translation and rotation as a function of the status of the ALL and the anterior cruciate ligament (ACL). Five pairs of fresh frozen cadaver specimens were analyzed. The knee was positioned in 20° flexion. Calibrated posteroanterior forces and internal/external torques were successively applied. Anterior tibial translation and total internal/external tibial rotation were measured with a navigation system...
December 5, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29209416/reliability-of-analysis-of-the-bone-mineral-density-of-the-second-and-fifth-metatarsals-using-dual-energy-x-ray-absorptiometry-dxa
#11
N Stewart Pritchard, James M Smoliga, Anh-Dung Nguyen, Micah C Branscomb, David R Sinacore, Jeffrey B Taylor, Kevin R Ford
Background: Metatarsal fractures, especially of the fifth metatarsal, are common injuries of the foot in a young athletic population, but the risk factors for this injury are not well understood. Dual-energy x-ray absorptiometry (DXA) provides reliable measures of regional bone mineral density to predict fracture risk in the hip and lumbar spine. Recently, sub-regional metatarsal reliability was established in fresh cadaveric specimens and associated with ultimate fracture force. The purpose of this study was to assess the reliability of DXA bone mineral density measurements of sub-regions of the second and fifth metatarsals in a young, active population...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29207690/morphological-and-morphometric-study-of-coronary-sinus-in-north-indian-population
#12
Beegum Zabina, Rajan Kumar Singla, Ravi Kant Sharma, Neelam Bala
Introduction: Coronary sinus (CS) is the largest vein draining the blood from heart. It is a muscular tube of about 2 cm to 3 cm length and 1 cm in caliber. It has become a clinically important structure through its role in providing access for different cardiac procedures viz., biventricular pacing, arrhythmia ablation and for deployment of an array of cardiac devices. Aim: To study the location, shape, length and width of CS including its left atrial muscular coverage in 50 cadaveric hearts...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29206835/the-human-kidney-capsule-contains-a-functionally-distinct-mesenchymal-stromal-cell-population
#13
Daniëlle G Leuning, Marten A Engelse, Ellen Lievers, Roel Bijkerk, Marlies E J Reinders, Hetty C de Boer, Cees van Kooten, Ton J Rabelink
We recently demonstrated that the adult human kidney cortex contains a perivascular stromal cell (kPSC) that shows organotypic properties and is important for repair and stabilisation of kidney function. Not only the kidney cortex but also the kidney capsule contains stromal cells that are important for the three dimensional organisation of the kidney during nephrogenesis. They provide the barrier function of the capsule which is critical for homeostatic processes such as pressure natriuresis. We postulated that stromal cells derived from the kidney capsule may therefore also have specific properties and functions...
2017: PloS One
https://www.readbyqxmd.com/read/29205947/online-instructional-anatomy-videos-student-usage-self-efficacy-and-performance-in-upper-limb-regional-anatomy-assessment
#14
Tracey Langfield, Kay Colthorpe, Louise Ainscough
Allied health professionals concur that a sound knowledge of practical gross anatomy is vital for the clinician, however, human anatomy courses in allied health programs have been identified as high-risk for attrition and failure. While anatomists and clinicians agree that learning anatomy via human cadaveric instruction is the preferred method, students vary in their reaction to the cadaveric learning experience and have differing levels of anatomy self-efficacy. This study investigated whether student self-efficacy had an effect on student usage of supplemental instructional videos and whether the use of videos had an impact on student self-efficacy and/or learning...
December 4, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29205901/dissecting-the-role-of-sessional-anatomy-teachers-a-systematic-literature-review
#15
REVIEW
Danielle Rhodes, Quentin A Fogg, Michelle D Lazarus
Worldwide there is a growing reliance on sessional teachers in universities. This has impacted all disciplines in higher education including medical anatomy programs. The objective of this review was to define the role and support needs of sessional anatomy teachers by reporting on the (1) qualifications, (2) teaching role, (3) training, and (4) performance management of this group of educators. A systematic literature search was conducted on the 27 July 2017 in Scopus, Web of Science, and several databases on the Ovid, ProQuest and EBSCOhost platforms...
December 4, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29205431/anatomic-delineation-of-tarsal-tunnel-innervation-via-ultrasonography
#16
Alvaro Iborra, Manuel Villanueva, Stephen L Barret, Edgardo Rodriguez-Collazo, Pablo Sanz
OBJECTIVES: High-resolution ultrasonography (US) can play an important role in studying nerves, as it has several advantages. Entrapments of distal tibial nerve branches can be mapped out or diagnosed with selective anesthetic blocks, and US can guide therapeutic procedures, such as radiofrequency ablation and selective infiltrations of specific nerve branches. The aim of this study was to verify that US is an effective method for accurately locating the posterior tibial nerve and its terminal branches, such as the medial calcaneal branch, the first calcaneal branch, and the medial and lateral plantar nerves...
December 4, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29205227/digital-image-correlation-techniques-for-strain-measurement-in-a-variety-of-biomechanical-test-models
#17
Sarah Hensley, Mackenzie Christensen, Scott Small, Derek Archer, Emily Lakes, Renee Rogge
PURPOSE: Previous biomechanical studies have estimated the strains of bone and bone substitutes using strain gages. However, applying strain gages to biological samples can be difficult, and data collection is limited to a small area under the strain gage. The purpose of this study was to compare digital image correlation (DIC) strain measurements to those obtained from strain gages in order to assess the applicability of DIC technology to common biomechanical testing scenarios. METHODS: Compression and bending tests were conducted on aluminum alloy, polyurethane foam, and laminated polyurethane foam specimens...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29204697/how-to-reduce-the-superior-mesenteric-vein-bleeding-risk-during-laparoscopic-right-hemicolectomy
#18
Alvaro Garcia-Granero, Luis Sánchez-Guillén, Matteo Frasson, Jorge Sancho Muriel, Eduardo Alvarez Sarrado, Delfina Fletcher-Sanfeliu, Blas Flor Lorente, Jose Pamies, Javier Corral Rubio, Alfonso A Valverde Navarro, Francisco Martinez Soriano, Eduardo Garcia-Granero
PURPOSE: The superior right colic vein (SRCV) has been proposed as the main cause of superior mesenteric vein bleeding by avulsion during laparoscopic right hemicolectomy. Our objective is to identify the main vessel causing transverse mesocolic tension during the extraction of the surgical specimen or extracorporeal anastomosis and to perform an anatomical description of the SRCV. METHODS: In this cadaveric study, we performed a simulation of right hemicolectomy and anatomical description of the surgical area of the gastrocolic trunk of Henle (SAGCTH), the gastrocolic trunk of Henle (GCTH), and SRCV...
December 4, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29204495/radiolucencies-surrounding-acetabular-components-with-three-dimensional-coatings-artifact-or-real
#19
Ahmad Faizan, Philip Chuang, Carlos Aponte, Vincent Moretti, Peter F Sharkey
Background: Several 2-dimensional and 3-dimensional surfaces are available for cementless acetabular fixation. Plain radiographs are used to assess osseointegration; however, the radiographs are limited by their inability to capture the bone fixation process occurring over the 3-dimensional cup surface. In this cadaveric study, we compared the bone apposition between 2-dimensional and 3-dimensional cups. Methods: Both types of cups were implanted in 6 cadavers and pelvic radiographs obtained...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29203379/arthroscopic-reconstruction-of-the-ligamentum-teres-a-guide-to-safe-tunnel-placement
#20
Alex W Brady, Jorge Chahla, Renato Locks, Jacob D Mikula, Erik L Slette, Robert F LaPrade, Marc J Philippon
PURPOSE: To provide a quantitative guide to tunnel placement concurrently through the femur and acetabulum during a ligamentum teres reconstruction, minimizing the risk of injury to the obturator neurovascular bundle. METHODS: Nine human cadaveric pelvises, complete with femurs (mean age, 59.6 years; age range, 47-65 years), were studied. Before dissection, a 3-dimensional coordinate-measuring device was used to record the neutral orientation of the femur in the acetabulum...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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