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https://www.readbyqxmd.com/read/28648920/ultrasound-assessment-of-human-meniscus
#1
Tuomas Viren, Juuso T Honkanen, Elvis K Danso, Lassi Rieppo, Rami K Korhonen, Juha Töyräs
The aim of the present study was to evaluate the applicability of ultrasound imaging to quantitative assessment of human meniscus in vitro. Meniscus samples (n = 26) were harvested from 13 knee joints of non-arthritic human cadavers. Subsequently, three locations (anterior, center and posterior) from each meniscus were imaged with two ultrasound transducers (frequencies 9 and 40 MHz), and quantitative ultrasound parameters were determined. Furthermore, partial-least-squares regression analysis was applied for ultrasound signal to determine the relations between ultrasound scattering and meniscus integrity...
June 22, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28646596/the-course-and-distribution-of-the-buccal-nerve-clinical-relevance-in-dentistry
#2
Kojiro Takezawa, Mounir Ghabriel, Grant Townsend
BACKGROUND: The buccal branch of the mandibular division of the trigeminal nerve is commonly anaesthetised for dental procedures and may be damaged during surgery. Descriptions of the distribution of the buccal nerve (BN) in anatomical texts are generally lacking in detail and do not provide information about the extent of its variation between individuals. There are also commonly-held clinical beliefs about the BN that lack support from anatomical dissections. METHODS: Detailed dissections of the course and distribution of the BN were performed in a sample of 12 hemi-heads from 11 edentulous and partially dentate human adult cadavers...
June 24, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28645855/training-surgical-residents-with-a-haptic-robotic-central-venous-catheterization-simulator
#3
David F Pepley, Adam B Gordon, Mary A Yovanoff, Katelin A Mirkin, Scarlett R Miller, David C Han, Jason Z Moore
OJECTIVE: Ultrasound guided central venous catheterization (CVC) is a common surgical procedure with complication rates ranging from 5 to 21 percent. Training is typically performed using manikins that do not simulate anatomical variations such as obesity and abnormal vessel positioning. The goal of this study was to develop and validate the effectiveness of a new virtual reality and force haptic based simulation platform for CVC of the right internal jugular vein. DESIGN: A CVC simulation platform was developed using a haptic robotic arm, 3D position tracker, and computer visualization...
June 20, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28645301/the-sternal-management-accelerated-recovery-trial-s-m-a-r-t-standard-restrictive-versus-an-intervention-of-modified-sternal-precautions-following-cardiac-surgery-via-median-sternotomy-study-protocol-for-a-randomised-controlled-trial
#4
Md Ali Katijjahbe, Linda Denehy, Catherine L Granger, Alistair Royse, Colin Royse, Rebecca Bates, Sarah Logie, Sandy Clarke, Doa El-Ansary
BACKGROUND: The routine implementation of sternal precautions to prevent sternal complications that restrict the use of the upper limbs is currently worldwide practice following a median sternotomy. However, evidence is limited and drawn primarily from cadaver studies and orthopaedic research. Sternal precautions may delay recovery, prolong hospital discharge and be overly restrictive. Recent research has shown that upper limb exercise reduces post-operative sternal pain and results in minimal micromotion between the sternal edges as measured by ultrasound...
June 23, 2017: Trials
https://www.readbyqxmd.com/read/28643890/anatomical-evaluation-of-the-thoracolumbar-nerves-related-to-the-transversus-abdominis-plane-block-technique-in-the-dog
#5
F E Castañeda-Herrera, E F Buriticá-Gaviria, D F Echeverry-Bonilla
Transversus abdominis plane (TAP) is a fascial plane containing the thoracolumbar nerve branches that innervate the abdominal wall. Limited information is available on the anatomical organization of these nerve branches in the dog, which is of great importance for the success of the TAP block anaesthetic technique. The aim of this study was to describe the origin and conformation of thoracolumbar nerves running through the TAP in 20 hemi-abdominal walls of 10 adult mongrel dog cadavers with an average body weight of 12...
June 23, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28643340/trans-endoscopic-diode-laser-fenestration-of-equine-conchae-via-contralateral-nostril-approach
#6
Filip Kološ, Štěpán Bodeček, Zdeněk Žert
OBJECTIVE: To describe and report preliminary outcomes of a contralateral trans-nasal endoscopic laser fenestration of the conchae for endoscopic examination and treatment of paranasal sinuses in horses. STUDY DESIGN: Cadaveric experimental and prospective clinical study. ANIMALS: Normal cadaveric equine heads (n = 7) and equine patients (horses n = 7, donkey n = 1) diagnosed with sinusitis. METHODS: Ex vivo: a video-endoscope containing a diode laser fiber in the working canal was passed through the nostril and retroflexed in the nasopharynx toward the contralateral conchae...
June 23, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28642658/study-of-the-anterolateral-ligament-of-the-knee-in-formalin-embedded-cadavers
#7
Paloma Batista Almeida Fardin, Juliana Hott de Fúcio Lizardo, Josemberg da Silva Baptista
OBJECTIVE: To verify the incidence and characterize morphologically the anterolateral ligament of the knee (ALL) in cadaveric samples of the collection of the Laboratory of Anatomy of the Department of Morphology of the Universidade Federal do Espírito Santo. METHODS: Dissections and cross sections were performed for mesoscopic analysis of the anterolateral region of 15 knees preserved in 4% formalin solution in order to identify the ALL. RESULTS: After dissection of the skin and subcutaneous tissue of the knee anterolateral region, it was possible to identify the iliotibial tract (ITT), the patellar ligament and the femoral biceps tendon...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642647/comparison-between-rendering-3d-ct-and-transparent-3d-ct-in-acl-tunnel-positioning
#8
Marcos Amstalden Barros, Tiago Lazzaretti Fernandes, Dimitris Dimitriou, André Pedrinelli, Arnaldo José Hernandez
OBJECTIVE: To compare the transparent 3D computed tomography (CT) image protocol against conventional 3D-CT image-rendering protocol to assess femoral tunnel position in anatomic anterior cruciate ligament (ACL) reconstructions . METHODS: Eight knee CT scans from cadavers were analyzed by image rendering 3D-CT protocol, using Rhinoceros((r)) software. The central point of the ACL tunnel was set using the sagittal plane. Same CT scans were analyzed using transparent 3D-CT measurement protocol with OsiriX((r)) software...
January 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28641319/understanding-scuba-diving-fatalities-carbon-dioxide-concentrations-in-intra-cardiac-gas
#9
Vincent Varlet, Alejandro Dominguez, Marc Augsburger, Maisy Lossois, Coraline Egger, Cristian Palmiere, Raquel Vilarino, Silke Grabherr
INTRODUCTION: Important developments in the diagnosis of scuba diving fatalities have been made thanks to forensic imaging tool improvements. Multi-detector computed tomography (MDCT) permits reliable interpretation of the overall gaseous distribution in the cadaver. However, due to post-mortem delay, the radiological interpretation is often doubtful because the distinction between gas related to the dive and post-mortem decomposition artifactual gases becomes less obvious. METHODS: We present six cases of fatal scuba diving showing gas in the heart and other vasculature...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28639458/use-of-computed-tomography-to-define-a-sacral-safe-corridor-for-placement-of-2-7-mm-cortical-screws-in-feline-sacroiliac-luxation
#10
Helen Philp, Alexane Durand, Felipe De Vicente
Objectives This study aimed to define a safe corridor for 2.7 mm cortical sacroiliac screw insertion in the dorsal plane (craniocaudal direction) using radiography and CT, and in the transverse plane (dorsoventral direction) using CT in feline cadavers. A further aim was to compare the values obtained by CT with those previously reported by radiography in the transverse plane. Methods Thirteen pelvises were retrieved from feline cadavers and dissected to expose one of the articular surfaces of the sacrum. A 2...
June 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28639342/the-human-medial-pterygoid-muscle-attachments-and-distribution-of-muscle-spindles
#11
V Bhojwani, M N Ghabriel, S Mihailidis, G C Townsend
Introduction Published descriptions about the sites of origin of the human medial pterygoid muscle vary and there are few reports on the distribution and density of muscle spindles in this muscle. We aimed to: 1) determine the extent of anatomical variability in the origins and insertions of the superficial and deep heads of the human medial pterygoid muscle, and 2) determine the extent of variation in the distribution of spindles in the two heads of the muscle. Materials and methods Thirty-nine human cadaver hemi-heads were dissected and the attachments of the medial pterygoid muscle examined...
June 22, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28639171/subject-specific-axes-of-rotation-based-on-talar-morphology-do-not-improve-predictions-of-tibiotalar-and-subtalar-joint-kinematics
#12
Jennifer A Nichols, Koren E Roach, Niccolo M Fiorentino, Andrew E Anderson
Use of subject-specific axes of rotation may improve predictions generated by kinematic models, especially for joints with complex anatomy, such as the tibiotalar and subtalar joints of the ankle. The objective of this study was twofold. First, we compared the axes of rotation between generic and subject-specific ankle models for ten control subjects. Second, we quantified the accuracy of generic and subject-specific models for predicting tibiotalar and subtalar joint motion during level walking using inverse kinematics...
June 21, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28637997/positional-relationships-of-abdominal-aortic-branches-for-contrast-radiography-of-the-inferior-mesenteric-artery-using-the-coeliac-trunk-and-superior-mesenteric-artery-as-landmarks
#13
Yusuke Nakayama, Shogo Hayashi, Kyoko Takeuchi, Shinichi Kawata, Ning Qu, Masahiro Itoh
PURPOSE: To establish a method by which angiography of the inferior mesenteric artery (IMA) can be performed smoothly, we investigated the relative locations of the coeliac trunk (CT), superior mesenteric artery (SMA), IMA, and left renal artery (LtRA). METHODS: From a total of 60 cadavers, 32 cadavers with few arteriosclerotic lesions and little vascular tortuosity were selected for the study. The abdominal aorta (Ao) were removed and incised on both lateral side, along the vertical axis and transected into the ventral and dorsal sides...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/28637051/teaching-transnasal-endoscopy-to-graduate-students-without-a-hospital-or-simulation-laboratory-pool-noodles-and-cadavers
#14
Shari Salzhauer Berkowitz
Purpose: This study reports on a training opportunity in endoscopy in which speech-language pathology graduate students use inanimate objects and cadavers. Best practices for transnasal endoscopy in vivo require a physician to be nearby, but many graduate programs do not have this access. Method: Endoscopy was offered as a graduate elective. Students (13 women) initially learned to manipulate the endoscope through the lumen of a swimming pool noodle that was embedded with trinkets...
June 20, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28636747/do-different-characteristics-of-two-emasculators-make-the-difference-in-equine-castration
#15
F Comino, G Giusto, V Caramello, M Gandini
BACKGROUND: Serra and Reimer emasculators are frequently used during equine orchiectomy. They differ in their jaw profile and haemostatic mechanism provided. OBJECTIVES: (1) To evaluate whether there is a difference between the haemostatic capacity of Reimer and Serra emasculators in open and closed castration and (2) compare haemostatic capacity of each emasculator in both open and closed castration; (3) to assess whether there is a difference in the tensile strength of the parietal tunic when using a Reimer emasculator or a Serra emasculator in closed castration...
June 21, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28633066/an-emg-assisted-modeling-approach-to-assess-passive-lumbar-tissue-loading-in-vivo-during-trunk-bending
#16
Xiaopeng Ning
Lower back pain (LBP) is a condition with high prevalence and high cost both in the United States and around the world. The magnitude of mechanical loading on spine is strongly associated with the occurrence of LBP. Previously, to assess spinal loading, biologically assisted biomechanical models were developed to estimate trunk muscle contraction forces. Loadings on lumbar passive tissues are estimated using anatomical models. However, despite the substantial individual variability in lumbar ligament geometry and viscoelastic properties, the existing anatomical models do not account for these differences...
June 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28632672/transversus-thoracic-muscle-plane-block-on-a-cadaver-with-history-of-coronary-artery-bypass-grafting
#17
Satoru Fujii, Deepti Vissa, Sugantha Ganapathy, Marjorie Johnson, Jian Zhou
No abstract text is available yet for this article.
July 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28632564/accuracy-of-percutaneous-pedicle-screw-placement-does-training-level-matter
#18
Evan O Baird, Steven J McAnany, Samuel Overley, Branko Skovrlj, Javier Z Guzman, Sheeraz A Qureshi
STUDY DESIGN: In vitro human cadaveric surgical technique study. OBJECTIVE: To assess the accuracy of percutaneous pedicle screw placement in a human cadaveric model using standard fluoroscopic guidance technique, compared across varying levels of experience. SUMMARY OF BACKGROUND DATA: The current literature varies widely in the reported frequency of facet violation during placement of percutaneous pedicle screws. However, as of yet there are no studies examining the effect that training level has on accuracy of placement...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28632253/accuracy-of-implant-placement-with-computer-guided-surgery-a-systematic-review-and-meta-analysis-comparing-cadaver-clinical-and-in-vitro-studies
#19
Fernando Bover-Ramos, José Viña-Almunia, Juan Cervera-Ballester, Miguel Peñarrocha-Diago, Berta García-Mira
PURPOSE: The aim of this systematic review was to analyze the accuracy of implant placement using computer-guided surgery and to compare virtual treatment planning and outcome in relation to study type (in vitro, clinical, or cadaver). A further objective was to compare the accuracy of half-guided implant surgery with that of full-guided implant surgery. MATERIALS AND METHODS: A PubMed search was performed to identify studies published between January 2005 and February 2015, searching the keywords "reliability AND dental implant planning" and "accuracy dental implant planning...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28631671/-the-anatomical-features-of-the-middle-ear-exerting-the-influence-on-the-formation-of-exudative-otitis-media-in-the-breast-fed-infants-of-different-gestational-age
#20
A G Matroskin, I V Rakhmanova, A A Dreval', A N Kislyakov, A I Vladimirov
The objective of the present study was to elucidate the anatomical features of the structure of the middle ear and eustachian tube in the breast-fed infants of different gestational age that may be responsible for the formation of exudates (fluids). We have examined 150 temporal bones obtained from the children's cadavers that were allocated to three groups as follows: 50 temporal bones obtained at weeks 26-30 weeks of gestation (group 1), 44 bones 31-36 weeks of gestation (group 2), and 37-40 weeks of gestation (full-term babies, group 3),The analysis of the data obtained on an individual bases revealed either increase or decreases in the selected characteristics of the eustachian tube in comparison with the respective average values as well as the well apparent predominance of a single change or a combination of alteration of several parameters in one case in 26-30 weeks and 31-36 weeks groups...
2017: Vestnik Otorinolaringologii
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