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https://www.readbyqxmd.com/read/27932309/binge-alcohol-alters-exercise-driven-neuroplasticity
#1
Emily A Barton, Yanbin Lu, Murad Megjhani, Mark E Maynard, Prathamesh M Kulkarni, Badrinath Roysam, J Leigh Leasure
Exercise is increasingly being used as a treatment for alcohol use disorders (AUD), but the interactive effects of alcohol and exercise on the brain remain largely unexplored. Alcohol damages the brain, in part by altering glial functioning. In contrast, exercise promotes glial health and plasticity. In the present study, we investigated whether binge alcohol would attenuate the effects of subsequent exercise on glia. We focused on the medial prefrontal cortex (mPFC), an alcohol-vulnerable region that also undergoes neuroplastic changes in response to exercise...
December 5, 2016: Neuroscience
https://www.readbyqxmd.com/read/27921449/reduction-mammaplasty-with-the-modified-round-block-technique-in-chinese-patients-and-its-anatomy-study
#2
Wei Ding, Yinjia Ding, Hua Jiang
BACKGROUND: Although reduction mammaplasty is one of the most common procedures in plastic surgery, it is associated with some serious complications, especially in cases of severe hypertrophy or advanced ptosis, including necrosis of the nipple and areola, absence of normal sensation of the nipple-areolar complex, and loss of lactational function for future nursing. A thorough understanding of the breast anatomy is vital for successful reduction mammaplasty. This article describes the blood supply and innervation of the breasts, and introduces a modified round block technique for reduction mammaplasty based on this anatomy...
December 6, 2016: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/27900340/retropatellar-accessory-portals-for-improved-access-to-the-patella-anatomic-description-and-evaluation-of-safety
#3
Jason L Koh, Anthony L Logli
BACKGROUND: Standard knee arthroscopy portals are frequently used to address retropatellar chondral pathology. Alternative portals may offer a safe and simple substitute, particularly when reaching the base of deep lesions is required. PURPOSE: To describe and assess the safety of accessory retropatellar portals. STUDY DESIGN: Descriptive laboratory study. METHODS: An anatomic study was performed on 10 fresh-frozen cadaveric knees...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27899369/topography-of-the-supraorbital-nerve-with-reference-to-the-lacrimal-caruncle-danger-zone-for-direct-browplasty
#4
Young-Chun Gil, Kang-Jae Shin, Shin-Hyo Lee, Wu-Chul Song, Ki-Seok Koh, Hyun Jin Shin
PURPOSE: To elucidate the course of the supraorbital nerve (SON) with reference to the lacrimal caruncle in order to facilitate safer direct browplasty by preventing nerve injury. METHODS: Thirty-four hemifaces from 18 embalmed Korean cadavers were dissected. A vertical line through the upmost point of the lacrimal caruncle and a horizontal line through the supraorbital margin were used as the horizontal and vertical reference positions, respectively. The course of the SON in the frontal view and the point at which it pierced the overlaying musculature were examined...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27878340/anatomical-risk-evaluation-of-iatrogenic-injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-medial-meniscus-arthroscopic-surgery
#5
Guillaume Koch, Agathe Kling, Nitin Ramamurthy, Faramarz Edalat, Roberto Luigi Cazzato, Jean-Luc Kahn, Julien Garnon, Philippe Clavert
PURPOSE: To determine the relationship of the medial meniscus with the infrapatellar branches of the saphenous nerve, the primary goal is to define and characterize different risk areas for these nerves during medial meniscus surgery. METHODS: After dissecting 20 embalmed cadaver knees, we defined 7 readily identifiable anatomical landmarks. For each knee, we recorded 2 morphological criteria and 16 measurements. RESULTS: The most common anatomical course is a main trunk that is 8 mm anterior to the tuberculum adductorium and 60 mm posterior to the midpoint of the medial patellar margin...
November 22, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27872990/blood-supply-of-the-subacromial-bursa-and-rotator-cuff-tendons-on-the-bursal-side
#6
Elle Põldoja, Madis Rahu, Kristo Kask, Imke Weyers, Ivo Kolts
PURPOSE: Vascularity of the subacromial bursa and rotator cuff tendons is key factors in the pathogenesis of subacromial bursitis and impingement syndrome, rotator cuff tendinitis, and rotator cuff tears. The purpose of this study was to investigate and describe blood supply to the cranial and caudal parts of the subacromial bursa and the vascularity of the rotator cuff tendons on the bursal side. METHODS: Fourteen fresh cadaveric shoulders from six females and eight males with a mean age of 71...
November 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27870350/the-periosteum-of-the-zygomatic-arch-vascularization-and-growth
#7
Susan W Herring, Pannee Ochareon
In addition to conveying the forces of attaching muscles and ligaments to the zygomatic and temporal bones, the arch periosteum is responsible for lateral apposition and medial resorption during the growth period. In this contribution, we describe the vasculature of the zygomatic arch in young pigs (Sus scrofa dom.) in order to understand the relationship of osseous and periosteal vessels to each other, to surrounding tissues, and to patterns of modeling. Subjects 2-6 weeks of age were perfused with vascular fill; some also received the vital bone label calcein...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27858088/specific-branches-of-hypoglossal-nerve-to-genioglossus-muscle-as-a-potential-target-of-selective-neurostimulation-in-obstructive-sleep-apnea-anatomical-and-morphometric-study
#8
Philippe Delaey, Jérôme Duisit, Catherine Behets, Thierry Duprez, Pierre Gianello, Benoît Lengelé
PURPOSE: To determine the ideal implantation site for selective tongue neurostimulation in obstructive sleep apnea, anatomy of the distal branching of the hypoglossal nerve (HGN) was revisited. METHODS: The HGN distal course and intramuscular distribution to the tongue muscles were studied in 17 embalmed and 5 fresh heads (age 60-98, BMI 20-35). Medial branches supplying selectively the genioglossus (GG) muscle were identified. Then, the distinct bundles entering the oblique (GGo) and horizontal (GGh) parts of the GG were located...
November 17, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27853559/variable-wing-venation-in-agathiphaga-lepidoptera-agathiphagidae-is-key-to-understanding-the-evolution-of-basal-moths
#9
Sandra R Schachat, George W Gibbs
Details of the ancestral groundplan of wing venation in moths remain uncertain, despite approximately a century of study. Here, we describe a 3-branched subcostal vein, a 5-branched medial vein and a 2-branched cubitus posterior vein on the forewing of Agathiphaga vitiensis Dumbleton 1952 from Vanuatu. Such veins had not previously been described in any Lepidoptera. Because wing veins are typically lost during lepidopteran evolutionary history, rarely-if ever-to be regained, the venation of A. vitiensis probably represents the ancestral character state for moths...
October 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27846646/the-variable-emergence-of-the-infrapatellar-branch-of-the-saphenous-nerve
#10
Brandon Michael Henry, Krzysztof A Tomaszewski, Przemysław A Pękala, Piravin Kumar Ramakrishnan, Dominik Taterra, Karolina Saganiak, Ewa Mizia, Jerzy A Walocha
The infrapatellar branch of the saphenous nerve (IPBSN) is a cutaneous nerve of the lower limb, which arises distal to the adductor canal. High variability in the emergence, course, branching, termination, and morphometrics of the IPBSN poses an increased risk of injury to the nerve during surgical interventions on the anteromedial aspect of the knee. The aim of this study was to describe the anatomical characteristics of the IPBSN. This study utilized cadaveric (n = 100) and ultrasonography (n = 30) assessments, and meta-analysis...
November 15, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27845329/hyperconnectivity-of-prefrontal-cortex-to-amygdala-projections-in-a-mouse-model-of-macrocephaly-autism-syndrome
#11
Wen-Chin Huang, Youjun Chen, Damon T Page
Multiple autism risk genes converge on the regulation of mTOR signalling, which is a key effector of neuronal growth and connectivity. We show that mTOR signalling is dysregulated during early postnatal development in the cerebral cortex of germ-line heterozygous Pten mutant mice (Pten(+/-)), which model macrocephaly/autism syndrome. The basolateral amygdala (BLA) receives input from subcortical-projecting neurons in the medial prefrontal cortex (mPFC). Analysis of mPFC to BLA axonal projections reveals that Pten(+/-) mice exhibit increased axonal branching and connectivity, which is accompanied by increased activity in the BLA in response to social stimuli and social behavioural deficits...
November 15, 2016: Nature Communications
https://www.readbyqxmd.com/read/27833292/superficial-upper-limb-vasculature-and-its-surgical-implications
#12
Richa Gupta, Anjali Aggarwal, Tulika Gupta, Harjeet Kaur, Sunil Gaba, Daisy Sahni
Any kind of anatomical variation whether encountered during cadaveric dissections or routine clinical or surgical procedures needs to be reported and taken into account. This can be quite helpful in planning surgeries accordingly and avoid disastrous complications. During routine cadaveric dissection, authors found a superficial course of arteries of the arm as well as the forearm, unilaterally in one cadaver. In this case, there were two brachial arteries - superficial and deep. Superficial brachial artery terminated into superficial radial and superficial ulnar artery...
May 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/27818829/variant-superficial-branch-of-radial-artery-along-with-supplementary-tendons-on-the-dorsum-of-the-hand-and-their-surgical-implications
#13
Satheesha B Nayak, Naveen Kumar, Ashwini Aithal Padur, Surekha D Shetty
Variations of radial artery, in both its course and branching pattern in the anatomical snuffbox, are clinically significant for the plastic surgeons, cardiologists, and radiologists. Reports on its abnormal high origin and subsequent superficial course have been well documented. Herein, we report an unusual superficial branch of the radial artery given off before its entry into the palm by passing between the two heads of first dorsal interosseous. It eventually divided into princeps pollicis and radialis indicis arteries at the first web space of palm as a unique vascular variation...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27815597/ultrasound-versus-fluoroscopy-guided-cervical-medial-branch-block-for-the-treatment-of-chronic-cervical-facet-joint-pain-a-retrospective-comparative-study
#14
Ki Deok Park, Dong-Ju Lim, Woo Yong Lee, JaeKi Ahn, Yongbum Park
OBJECTIVE: To compare the mid-term effects and advantages of the ultrasound (US)-guided with fluoroscopy(FL)-guided cervical medial branch blocks (CMBBs) for chronic cervical facet joint pain through assessment of pain relief, functional improvement, and injection efficiency. METHODS: Patients with chronic cervical facet joint pain who received US- (n = 68) or FL-guided CMBBs (n = 58) were included in this retrospective study. All procedures were performed using a FL or US...
November 4, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27803230/randomised-sham-controlled-double-blind-multicentre-clinical-trial-to-ascertain-the-effect-of-percutaneous-radiofrequency-treatment-for-lumbar-facet-joint-pain
#15
C W J van Tilburg, D L Stronks, J G Groeneweg, F J P M Huygen
AIMS: The aim of this study was to compare the effect of a percutaneous radiofrequency heat lesion at the medial branch of the primary dorsal ramus with a sham procedure, for the treatment of lumbar facet joint pain. PATIENTS AND METHODS: A randomised sham-controlled double blind multicentre trial was carried out at the multidisciplinary pain centres of two hospitals. A total of 60 patients aged > 18 years with a history and physical examination suggestive of facet joint pain and a decrease of ≥ 2 on a numerical rating scale (NRS 0 to 10) after a diagnostic facet joint test block were included...
November 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27796491/nerve-supply-of-the-subscapularis-during-anterior-shoulder-surgery-definition-of-a-potential-risk-area
#16
Tim Leschinger, Michael Hackl, Felix Zeifang, Martin Scaal, Lars Peter Müller, Kilian Wegmann
PURPOSE: The purpose of the study was to evaluate the position of the subscapular nerves relative to surgical landmarks during exposure and to analyze the pattern of innervation of the subscapularis to avoid injury during anterior shoulder surgery. METHODS: 20 embalmed human cadaveric shoulder specimens were used in the study. The muscular insertions of the subscapular nerves were marked and their closest branches to the musculotendinous junction and the coracoid process were measured in horizontal and vertical distances...
October 28, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27794576/get-a-grip-substrate-orientation-and-digital-grasping-pressures-in-strepsirrhines
#17
Kimberly A Congdon, Matthew J Ravosa
Skeletal functional morphology in primates underlies many fossil interpretations. Understanding the functional correlates of arboreal grasping is central to identifying locomotor signatures in extinct primates. We tested 3 predictions linking substrate orientation and digital grasping pressures: (1) below-branch pressures are greater than above-branch and vertical-branch pressures; (2) there is no difference in pressure exerted across digits within autopods at any substrate orientation, and (3) there is no difference in pressure exerted between homologous digits across autopods at any substrate orientation...
2016: Folia Primatologica; International Journal of Primatology
https://www.readbyqxmd.com/read/27793561/detailed-vascular-anatomy-of-the-medial-femoral-condyle-and-the-significance-of-its-use-as-a-free-flap
#18
Laurenz Weitgasser, Sebastian Cotofana, Marion Winkler, Heinz Buerger, Daniel Jamnig, Friedrich Anderhuber, Alexander Gaggl
OBJECTIVE: The aim of this study is to provide detailed information on the arterial variations of the descending geniculate artery (DGA) for the harvest of a cortico-periostal flap from the medial femoral condyle and a fascio-cutaneous perforator flap with its respective pedicles. MATERIAL AND METHODS: A total of 50 lower limbs from embalmed cadavers were dissected. The distribution pattern, length, and diameter of the DGA, saphenous artery (SA), muscular, periostal, and articular branches, and their concomitant veins were measured and evaluated...
October 5, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27780697/pulmonary-artery-dissection-causing-haemothorax-in-a-cat-potential-role-of%C3%A2-dirofilaria-immitis-infection-and-literature-review
#19
I Biasato, M Tursi, S Zanet, E Longato, M T Capucchio
A 7-year-old male castrated domestic short-haired cat suddenly died. Gross examination revealed severe right-sided haemothorax with blood clots, four adult filarial nematodes in the blood clots and the caudal vena cava and haemorrhage dissecting into the tunica media of the right pulmonary artery. Histopathological investigation showed fibrosis of the tunica intima and disorganization/fragmentation of the elastic fibres accompanied by fibrous tissue deposition in the tunica media of both branches of pulmonary artery...
October 22, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27779138/skeletonization-algorithm-based-blood-vessel-quantification-using-in-vivo-3d-photoacoustic-imaging
#20
K M Meiburger, S Y Nam, E Chung, L J Suggs, S Y Emelianov, F Molinari
Blood vessels are the only system to provide nutrients and oxygen to every part of the body. Many diseases can have significant effects on blood vessel formation, so that the vascular network can be a cue to assess malicious tumor and ischemic tissues. Various imaging techniques can visualize blood vessel structure, but their applications are often constrained by either expensive costs, contrast agents, ionizing radiations, or a combination of the above. Photoacoustic imaging combines the high-contrast and spectroscopic-based specificity of optical imaging with the high spatial resolution of ultrasound imaging, and image contrast depends on optical absorption...
November 21, 2016: Physics in Medicine and Biology
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