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https://www.readbyqxmd.com/read/29667282/cardiac-gated-phase-contrast-magnetic-resonance-angiography-is-a-reliable-and-reproducible-technique-for-quantifying-blood-flow-in-canine-major-cranial-abdominal-vessels
#1
Francesca Del Chicca, Andrea Schwarz, Paula Grest, Florian Willmitzer, Matthias Dennler, Patrick R Kircher
Blood flow changes in cranial abdominal vessels are important contributing factors for canine hepatic disease. This prospective, experimental, pilot study aimed to evaluate cardiac-gated, phase contrast magnetic resonance angiography (PCMRA) as a method for characterizing blood flow in canine major cranial abdominal vessels. Eleven, healthy, adult beagle dogs were sampled. Cardiac-gated, phase contrast magnetic resonance angiography of the cranial abdomen was performed in each dog and blood flow was independently measured in each of the major cranial abdominal vessels by three observers, with two observers recording blood flow values once and one observer recording blood flow values three times...
April 17, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29665060/combined-caudal-superficial-epigastric-axial-pattern-flap-and-full-thickness-buccal-mucosa-graft-for-single-stage-preputial-reconstruction-in-six-dogs
#2
F Massari, V Montinaro, P Buracco, G Romanelli
OBJECTIVE: To describe the use of a caudal superficial epigastric flap in combination with a full-thickness oral mucosal/submucosal graft for single-stage reconstruction of extensive preputial defects in dogs. MATERIALS AND METHODS: Medical records of dogs with extensive preputial defects either of traumatic origin or derived from tumour excision were reviewed. In all dogs, the prepuce was reconstructed using a full-thickness oral mucosal/submucosal graft combined with a caudal superficial epigastric axial pattern flap during a single surgical procedure...
April 17, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29665042/neural-tube-defects-in-embryonic-life-lessons-learned-from-340-early-pregnancy-failures
#3
David R Hartge, Michael Gembicki, Achim Rody, Jan Weichert
OBJECTIVES: The aim of this study was to evaluate the feasibility of sonographic assessment of the embryonic/fetal neural tube in nonviable pregnancies and to determine the defect incidence. METHODS: Prospective analysis of transvaginally acquired 3-dimensional (3D) multiplanar and 3D surface-rendered volume sets of 340 cases of missed abortion between March 2010 and September 2015 was performed. Data regarding karyotype and postmortem examination as well as demographic features and the outcomes of subsequent pregnancies were evaluated...
April 17, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29664450/quantitative-assessment-of-vertebral-artery-anatomy-in-relation-to-cervical-pedicles-surgical-considerations-based-on-regional-differences
#4
Amro Al-Habib, Fahad Albadr, Jehad Ahmed, Abdulrahman Aleissa, Abdullah Al Towim
OBJECTIVE: To quantify the anatomic relationship between the Cervical pedicle screw (CPS), vertebral artery (VA), and related anatomic structures in the Saudi population. METHODS: This retrospective single center study included 50 consecutive patients (35 males) with normal neck findings on computed tomography angiography performed for trauma or vascular evaluation between 2012 and 2014. Radiologic parameters were assessed and correlated with age, weight, height, and body mass index (BMI)...
April 2018: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/29663392/sushi-repeat-containing-protein-x-linked-2-a-novel-phylogenetically-conserved-hypothalamo-pituitary-protein
#5
Mehwish Anwer, Tamuna Bolkvadze, Xavier Ekolle Ndode-Ekane, Noora Puhakka, Tuomas Rauramaa, Ville Leinonen, Erwin A van Vliet, Dick F Swaab, Annakaisa Haapasalo, Stina Leskelä, Nea Bister, Tarja Malm, Synnöve Carlson, Eleonora Aronica, Asla Pitkänen
Sushi repeat-containing protein X-linked 2 (SRPX2) is a novel protein associated with language development, synaptic plasticity, tissue remodeling, and angiogenesis. We investigated the expression and spatial localization of SRPX2 in normal mouse, rat, monkey, and human brain using in situ hybridization and immunohistochemistry. Antibody specificity was determined using in vitro siRNA based silencing of SRPX2. Cell type-specific expression was verified by double-labeling with oxytocin or vasopressin. Western blot was used to detect SRPX2 protein in rat and human plasma and cerebrospinal fluid...
April 16, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29660812/tremor-severity-in-parkinson-s-disease-and-cortical-changes-of-areas-controlling-movement-sequencing-a-preliminary-study
#6
Julián Benito-León, J Ignacio Serrano, Elan D Louis, Ales Holobar, Juan P Romero, P Povalej-Bržan, Félix Bermejo-Pareja, M Dolores Del Castillo, Ignacio J Posada, Eduardo Rocon
There remains much to learn about the changes in cortical anatomy that are associated with tremor severity in Parkinson's disease (PD). For this reason, we used a combination of structural neuroimaging to measure cortical thickness and neurophysiological studies to analyze whether PD tremor was associated with cortex integrity. Magnetic resonance imaging and neurophysiological assessment were performed in 13 nondemented PD patients (9 women, 69.2%) with a clearly tremor-dominant phenotype. Cortical reconstruction and volumetric segmentation were performed with the Freesurfer image analysis software...
April 16, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29660108/early-development-of-the-longsnout-seahorse-hippocampus-reidi-syngnathidae-within-the-male-brood-pouch
#7
B Novelli, F Otero Ferrer, J A Socorro, L Molina Domínguez
Fertilized and unfertilized eggs and embryos of the longsnout seahorse Hippocampus reidi were collected at different stages of development and provided the basis for a description of morphological development from fertilization until release from the paternal pouch. Images of fertilized eggs, as well as their rupture after a few minutes in seawater are reported for the first time. The yolk sac transitioned from ovoid to spherical shape and was reabsorbed progressively until release. The tail began rising from the surface of the deuteroplasm while embryos were in the egg envelope...
April 16, 2018: Journal of Fish Biology
https://www.readbyqxmd.com/read/29660055/accuracy-assessment-of-pedicle-and-lateral-mass-screw-insertion-assisted-by-customized-3d-printed-drill-guides-a-human-cadaver-study
#8
Peter A J Pijpker, Joep Kraeima, Max J H Witjes, D L Marinus Oterdoom, Maarten H Coppes, Rob J M Groen, Jos M A Kuijlen
BACKGROUND: Accurate cervical screw insertion is of paramount importance considering the risk of damage to adjacent vital structures. Recent research in 3-dimensional (3D) technology describes the advantage of patient-specific drill guides for accurate screw positioning, but consensus about the optimal guide design and the accuracy is lacking. OBJECTIVE: To find the optimal design and to evaluate the accuracy of individualized 3D-printed drill guides for lateral mass and pedicle screw placement in the cervical and upper thoracic spine...
April 5, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29659436/a-novel-technique-of-ultrasound-guided-selective-mandibular-nerve-block-with-a-lateral-pterygoid-plate-approach-a-cadaveric-study
#9
Wirinaree Kampitak, Tanvaa Tansatit, Yasuyuki Shibata
BACKGROUND AND OBJECTIVES: We aimed to describe a novel technique of ultrasound-guided selective mandibular nerve block with a lateral pterygoid plate (LPP) approach and to assess its feasibility and accuracy in a soft cadaver model. METHODS: Ten soft cadavers were studied. A curved array ultrasound transducer was applied over 1 side of the face of the cadaver, in an open-mouth position. The transducer was placed transversely below the zygomatic arch and tilted in the caudal-to-cranial direction to identify the boundary of the LPP...
April 14, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29659175/extracranial-course-of-the-facial-nerve-revisited
#10
P Martínez-Pascual, E Maranillo, T Vázquez, C Simón, J M Lasso, J R Sanudo
INTRODUCTION: The extrapetrous course of the facial nerve has been a matter of study and debate since XIX century. Two different classifications have been classically proposed and widely accepted by most of the authors. Nevertheless, there are reported cases which do not fit in any of those. The aim of this study is to propose a new and useful classification. MATERIAL AND METHODS: We have used 23 embalmed Caucasian adult cadavers (11male and 12 female) belonging to the Bodies Donation and Dissecting Rooms Centre of the University Complutense of Madrid...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29659159/spinal-accessory-motor-neurons-in-the-mouse-a-special-type-of-branchial-motor-neuron
#11
Charles Watson, Petr Tvrdik
The spinal accessory nerve arises from motor neurons in the upper cervical spinal cord. The axons of these motor neurons exit dorsal to the ligamentum denticulatum and form the spinal accessory nerve. The nerve ascends in the spinal subarachnoid space to enter the posterior cranial fossa through the foramen magnum. The spinal accessory nerve then turns caudally to exit through the jugular foramen alongside the vagus and glossopharyngeal nerves, and then travels to supply the sternomastoid and trapezius muscles in the neck...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29658575/differences-between-carcinoma-of-the-cecum-and-ascending-colon-evidence-based-on-clinical-and-embryological-data
#12
Xin Xie, Zhangjian Zhou, Yongchun Song, Wei Wang, Chengxue Dang, Hao Zhang
Developing rapidly from the cecal diverticulum in a 5-week-old embryo, the cecum, which is developed from the caudal limb of the midgut loop, is different from the ascending colon. The aim of this study was to analyze the different clinicopathological and biological characteristics of patients with carcinoma of the cecum and ascending colon. We accessed data for 59,035 patients with adenocarcinomas of the cecum and ascending colon from the Surveillance, Epidemiology and End Results database to explore the potential associations between the clinicopathological characteristics and overall survival...
April 12, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29657154/two-new-species-of-hepatozoon-apicomplexa-hepatozoidae-parasitising-species-of-philothamnus-ophidia-colubridae-from-south-africa
#13
Courtney Antonia Cook, Edward Charles Netherlands, Johann van As, Nico Jacobus Smit
To date, only a few species of Hepatozoon Miller, 1908 have been described from amphibians and reptiles of South Africa, including two species from anuran hosts, three from saurians, one from chelonians, and two from ophidians. Hepatozoon bitis (Fantham, 1925) and Hepatozoon refringens (Sambon et Seligmann, 1907), parasitising Bitis arientans (Merrem) and Pseudoaspis cana (Linnaeus), respectively, were described in the early 1900s and since then there have been no further species of Hepatozoon described from snakes in South Africa...
April 3, 2018: Folia Parasitologica
https://www.readbyqxmd.com/read/29657079/functional-selectivity-of-cardiac-preganglionic-sympathetic-neurones-in-the-rabbit-heart
#14
Reshma A Chauhan, John Coote, Emily Allen, Pott Pongpaopattanakul, Kieran E Brack, G Andre Ng
BACKGROUND: Studies have shown regional and functional selectivity of cardiac postganglionic neurones indicating there might exist a similar heterogeneity in spinal segmental preganglionic neurones, which requires further investigation. METHODS: Right and left sympathetic chains were electrically stimulated from T6 to T1 in the innervated isolated rabbit heart preparation (n = 18). Sinus rate, left ventricular pressure, retrograde ventriculo-atrial conduction, monophasic action potential duration, effective refractory period, ventricular fibrillation threshold and electrical restitution were measured...
March 27, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29656606/a-meta-analysis-on-the-surgical-management-of-paraganglioma-of-the-carotid-body-per-shamblin-class
#15
Thijs T G Jansen, Henri A M Marres, Johannes H A M Kaanders, Henricus P M Kunst
OBJECTIVE: The aim of the current study is to evaluate the risk associated with different types of surgery for carotid body paraganglioma of different Shamblin class. A meta-analysis was conducted to evaluate per tumour class, the local control, cranial nerve damage and complication rates of different techniques using internal carotid artery (ICA) and external carotid artery (ECA) ligation, clamping or bypassing, as well as the cranio-caudal versus caudo-cranial techniques. DESIGN: A meta-analysis is conducted after a systematic search in PubMed and the Cochrane library, in accordance with the PRISMA guidelines...
April 15, 2018: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29656427/exercise-training-abrogates-age-dependent-loss-of-hypothalamic-oxytocinergic-circuitry-and-maintains-high-parasympathetic-activity
#16
Carla R Santos, Adriana Ruggeri, Alexandre Ceroni, Lisete C Michelini
Neuroanatomical studies associating neuronal tract tracing and immunohistochemistry identified reciprocal (ascending noradrenergic/descending oxytocinergic, OTergic) connections between brainstem cardiovascular nuclei and the paraventricular hypothalamic nucleus (PVN). Previous functional studies indicated that exercise training (T) augmented the expression/activity of OTergic pathway and improve the autonomic control of the heart. Knowing that ageing is associated with autonomic dysfunction and sinoaortic denervation blocked T-induced beneficial effects, we hypothesized that T was able to reduce age-dependent impairment by improving the afferent signaling to PVN and augmenting OTergic modulation of cardiovascular control...
April 14, 2018: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29656330/risk-factors-for-anatomic-pelvic-organ-prolapse-at-6-weeks-postpartum-a-prospective-observational-study
#17
Cathrine Reimers, Franziska Siafarikas, Jette Stær-Jensen, Milada Cvancarova Småstuen, Kari Bø, Marie Ellström Engh
INTRODUCTION AND HYPOTHESIS: The objective was to identify risk factors for postpartum anatomic pelvic organ prolapse (aPOP) by comparing women with and without aPOP at 6 weeks postpartum with regard to pelvic floor measurements antepartum and obstetrical characteristics. METHODS: We carried out a prospective observational cohort study including nulliparous pregnant women in a Norwegian university hospital. Participants underwent clinical examinations, including pelvic organ prolapse quantification system (POP-Q) and transperineal ultrasound at gestational week 21 and at 6 weeks postpartum...
April 14, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29653382/acute-exposure-of-white-tailed-deer-cortical-bone-to-staphylococcus-aureus-did-not-result-in-reduced-bone-stiffness
#18
Ariel Nicole Kunde, Victoria Jane Frost, Meir Max Barak
Staphylococcus aureus (S. aureus) is the main source of osteomyelitis in adults. The end-result of untreated osteomyelitis is bone necrosis and distraction of bone structure. While bone tissue can heal and remodel its structure to ameliorate its mechanical properties, so far no study has tested the mechanical properties of cortical bone tissue exposed to S. aureus. With the increase usage of bone banks as a source of bone graft supply, it is important to screen for any possible pathology that may affect the bone graft success to function normally in the receiving patient...
April 4, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29652687/ultrasound-guided-transversalis-fascia-plane-block-an-alternative-approach-for-anesthesia-in-inguinal-herniorrhaphy-a-case-report
#19
Paolo Scimia, Erika Basso Ricci, Emiliano Petrucci, Astrid Ursula Behr, Franco Marinangeli, Pierfrancesco Fusco
Ultrasound (US)-guided transversalis fascia plane block (TFPB) was first described by Hebbard as a technique for blockade of T12-L1 nerves. Although this technique appears similar to the quadratus lumborum 1 block, the point of injection is more caudal and anterior, specifically targeting ilioinguinal and iliohypogastric nerves. There are only few published data on US-guided TFPB demonstrating effective postoperative analgesia in iliac crest bone graft harvesting. We report the use of US-guided TFPB in a patient undergoing inguinal herniorrhaphy...
April 15, 2018: A&A practice
https://www.readbyqxmd.com/read/29651399/charlin-s-syndrome-following-a-routine-septorhinoplasty
#20
Ali Kavyani, Ali Manafi
There are some rare but probable devastating complications following any rhinoplasty. Charlin's syndrome is a typical one. It is completely related to the external nasal nerve. In this report, we are presenting a 21-year-old female with signs and symptoms of Charlin's syndrome, persisting for 4 years after a routine septorhinoplasty operation. Surgery was uneventful and the patient underwent bony septal resection and caudal septal relocation. Osteotomy was internal low to low and external transverse bilaterally...
January 2018: World Journal of Plastic Surgery
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