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https://www.readbyqxmd.com/read/29455348/the-effect-of-the-anterior-boundary-of-necrotic-lesion-on-the-occurrence-of-collapse-in-osteonecrosis-of-the-femoral-head
#1
Yusuke Kubo, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Hiroyuki Hatanaka, Takeshi Utsunomiya, Shoji Baba, Yasuharu Nakashima
PURPOSE: The location of the necrotic lesion is one of the important factors for collapse in osteonecrosis of the femoral head (ONFH). The significance of anterior localization has been little studied. This study evaluated the effects of anterior boundary of a necrotic lesion on collapse. METHODS: We reviewed the outcomes of 113 consecutive non-collapsed asymptomatic hips in 98 ONFH patients with mean follow-up of 4.7 years (2.0-11.8) after the initial magnetic resonance (MR) imaging...
February 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29450630/outermost-layer-oriented-medial-approach-for-infrapyloric-nodal-dissection-in-laparoscopic-distal-gastrectomy
#2
Susumu Shibasaki, Koichi Suda, Masaya Nakauchi, Tetsuya Nakamura, Shinichi Kadoya, Kenji Kikuchi, Kazuki Inaba, Ichiro Uyama
BACKGROUND: Based on our experience of suprapancreatic nodal dissection in laparoscopic gastrectomy, we developed an outermost layer-oriented medial approach for infrapyloric nodal dissection. The objective of this single-institution retrospective study was to determine the feasibility, safety, and reproducibility of this novel and unique dissection procedure. METHODS: This approach can be performed in the same manner as suprapancreatic nodal dissection but by replacing the left gastric artery with the right gastroepiploic artery (RGEA), the common hepatic artery with the anterior superior pancreaticoduodenal artery (ASPDA), and the splenic artery with the gastroduodenal artery...
February 15, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29447888/pathogenesis-of-chronic-rhinosinusitis-in-patients-affected-by-%C3%AE-thalassemia-major-and-sickle-cell-anaemia-post-allogenic-bone-marrow-transplant
#3
F Martino, R Di Mauro, K Paciaroni, J Gaziev, C Alfieri, L Greco, R Floris, S Di Girolamo, M Di Girolamo
OBJECTIVES: Sickle cell anemia (SCA) and β -thalassemia major are well-recognized beta-globin gene disorders of red blood cells associated to mortality and morbidity included bone morbidities due to ineffective erythropoiesis and bone marrow expansion, which affect every part of the skeleton. While there are an abundance of described disease manifestations of the head and neck, the manner of paranasal sinuses involvement and its relations to β-thalassemia and SCA process was not studied yet...
March 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29447817/mature-and-immature-pediatric-head-and-neck-teratomas-a-15-year-review-at-a-large-tertiary-center
#4
Harish Dharmarajan, Noémie Rouillard-Bazinet, Binoy M Chandy
INTRODUCTION: Pediatric head and neck teratomas account for less than 4% of congenital teratomas. The distinct presentations and outcomes of mature and immature head and neck teratomas have not been well established. OBJECTIVES: To review the management and outcomes of pediatric head and neck teratomas. To distinguish differences between mature and immature tumors with respect to the age at presentation and surgery, tumor size and location, alpha fetoprotein (AFP) levels, airway management, and recurrence...
February 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29447545/effects-of-wearing-lower-leg-compression-sleeves-on-locomotion-economy
#5
Eduard Kurz, Christoph Anders
The purpose of this investigation was to assess the effect of compression sleeves on muscle activation cost during locomotion. Twenty-two recreationally active men (age: 25 ± 3 years) ran on a treadmill at four different speeds (ordered sequence of 2.8, 3.3, 2.2, and 3.9 m/s). The tests were performed without (control situation, CON) and while wearing specially designed lower leg compression sleeves (SL). Myoelectric activity of five lower leg muscles (tibialis anterior, fibularis longus, lateral and medial head of gastrocnemius, and soleus) was captured using Surface EMG...
February 15, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29442318/lophotrochozoan-zic-genes
#6
Jun Aruga
Lophotrochozoa is a sister taxon of Ecdysozoa in the Protostomia that includes mollusks, annelids, brachiopods, and platyhelminths. Recent studies have clarified the structure, expression, and roles of lophotrochozoan Zic family genes. Zic genes in oligochaete annelid Tubifex tubifex (freshwater sludge worm) and polychaete annelid Capitella teleta (bristle worm) are commonly expressed in a subset of developing brain and mesoderm derivatives. The latter includes the naïve mesoderm and the associated chaetal sacs in each body segment, although the segmentation processes differ between the two species...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29442244/postural-assessment-in-class-iii-patients-before-and-after-orthognathic-surgery
#7
Fernando Zugno Kulczynski, Fernando de Oliveira Andriola, Pedro Henrique Deon, Denizar Alberto da Silva Melo, Rogério Miranda Pagnoncelli
PURPOSE: This study aimed to assess body posture before and after bimaxillary orthognathic surgery by photogrammetry in skeletal class III patients. METHODS: Thirty-one patients with skeletal class III dentofacial deformities (14 men, 17 women) who underwent orthodontic preparation for surgery were included in this non-randomized controlled trial. Of these, 15 who did not undergo orthognathic surgery during the period of this study served as controls. Postural assessment was performed by photogrammetry using SAPO® (Postural Assessment Software) based on anterior-, posterior-, and lateral-view images taken 1 month before and 4 months after bimaxillary orthognathic surgery with internal rigid fixation (or 4 months after the initial assessment, for the control group)...
February 13, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29434137/ipsiversive-ocular-torsion-skew-deviation-and-hearing-loss-as-initial-signs-of-anterior-inferior-cerebellar-artery-infarction
#8
Tameto Naoi, Mitsuya Morita, Tadataka Kawakami, Shigeru Fujimoto
A 67-year-old man with hypertension and type 2 diabetes mellitus was admitted to our hospital because of left hearing loss and vertical diplopia. A neurological examination showed ocular torsion, skew deviation, and sensorineural hearing loss in the left ear. Brainstem and cerebellar neurological signs were not observed. Left middle cerebellar peduncle infarction was evident on magnetic resonance imaging. He was treated with antiplatelet, however, the infarct progressed after this administration. Ocular tilt reaction (OTR) involves the triad of ocular torsion, skew deviation, and head tilt...
February 9, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29432451/microexon-gene-transcriptional-profiles-and-evolution-provide-insights-into-blood-processing-by-the-schistosoma-japonicum-esophagus
#9
Xiao-Hong Li, Ricardo DeMarco, Leandro X Neves, Sally R James, Katherine Newling, Peter D Ashton, Jian-Ping Cao, R Alan Wilson, William Castro-Borges
BACKGROUND: Adult schistosomes have a well-developed alimentary tract comprising an oral sucker around the mouth, a short esophagus and a blind ending gut. The esophagus is not simply a muscular tube for conducting blood from the mouth to gut but is divided into compartments, surrounded by anterior and posterior glands, where processing of ingested blood is initiated. Self-cure of rhesus macaques from a Schistosoma japonicum infection appears to operate by blocking the secretory functions of these glands so that the worms cease feeding and slowly starve to death...
February 12, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29430141/evaluation-of-the-role-of-skull-anthropometry-for-complete-denture-teeth-selection-a-cross-sectional-study
#10
Rajlakshmi Banerjee, Jaishree Chahande, Usha Radke, Priti Jaiswal
Background: Success of complete denture treatment lies in the ability to make it indiscernible from the natural. The selection of the six maxillary anterior teeth is of utmost importance as it contributes most to denture esthetics. Although various techniques and methods to determine the width of maxillary anterior teeth and its relation to various body measurements were done, the simple technique of using circumference of head has been less documented, specifically for Indian population...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29427850/integration-of-visual-and-non-visual-self-motion-cues-during-voluntary-head-movements-in-the-human-brain
#11
Andreas Schindler, Andreas Bartels
Our phenomenological experience of the stable world is maintained by continuous integration of visual self-motion with extra-retinal signals. However, due to conventional constraints of fMRI acquisition in humans, neural responses to visuo-vestibular integration have only been studied using artificial stimuli, in the absence of voluntary head-motion. We here circumvented these limitations and let participants to move their heads during scanning. The slow dynamics of the BOLD signal allowed us to acquire neural signal related to head motion after the observer's head was stabilized by inflatable aircushions...
February 7, 2018: NeuroImage
https://www.readbyqxmd.com/read/29426741/lower-shoulder-abduction-during-throwing-motion-may-cause-forceful-internal-impingement-and-decreased-anterior-stability
#12
Masaki Akeda, Teruhisa Mihata, Woong Kyo Jeong, Michelle H McGarry, Tetsuya Yamazaki, Thay Q Lee
BACKGROUND: Internal impingement and decreased anterior stability, which result from shoulder capsular loosening, are common shoulder pathologies in throwing athletes. The purpose of this study was to assess the effect of shoulder abduction angle on shoulder internal impingement and anterior shoulder stability during the simulated throwing motion. METHODS: Eight cadaveric shoulders were tested by simulating the late-cocking and acceleration phases of the throwing motion for intact and thrower's shoulder conditions...
February 7, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29426585/location-of-the-euryon-in-scaphocephalic-vs-non-scaphocephalic-controls-a-novel-assessment-of-cranial-vault-remodeling-outcomes
#13
Ryan Winters, Sherard A Tatum
We describe a novel measurement of cranial morphology in pre- and post-operative scaphocephalic patients to complement the cephalic index. This will better describe restoration of normal skull and head shape, further defining the nuances of the corrected skull. In this retrospective comparative study the location of the euryon on the skull was statistically significantly different in preoperative scaphocephalic patients versus non-scaphocephalic controls. This difference was resolved with surgical cranial vault remodeling, indicating restoration of a normal skull profile...
December 29, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29424150/-treatment-of-pipkin-type-i-and-ii-femoral-head-fractures-through-modified-smith-peterson-approach-and-modified-hardinge-approach-a-case-control-studies
#14
Yu-Qing Jiang, Jian Huang, Wei-Kang Guo, Bing Lai, Jun Wang, Chuan-Xing Liang, Song-Lang Liu, Wei-Ming Lin
OBJECTIVE: To compare clinical results of treatment of Pipkin type I and II femoral head fractures through modified Smith-Peterson(S-P) approach and modified Hardinge approach. METHODS: From July 2005 to July 2014, 42 patients with Pipkin type I and II femoral head fractures were treated with operation. A total of 23 patients in anterior group was treated with modified S-P approach including 17 males and 6 females with an average age of (29.3±9.4) years old, 5 cases of type I by excision of the fragement, 3 cases of type I and 15 cases of type II cases by fixation of the fragement...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29416978/arthroscopic-transfer-of-the-long-head-of-the-biceps-brachii-for-anterior-shoulder-instability
#15
Jin Tang, Jinzhong Zhao
In the treatment of anterior shoulder instability, there are various conditions in which a sling effect is needed to enhance anterior stability. The traditional Latarjet procedure provides a sling effect but destroys the coracoacromial arch, which may result in superior instability. To preserve the coracoacromial arch and create a sling to enhance the anterior-inferior side of the shoulder, we introduce an arthroscopic technique to transfer the long head of the biceps (LHB) brachii. Indications of LHB transfer are patients younger than 45 years of age who participate in competitive sports, require forceful external rotation and abduction movement of the shoulder, and/or have capsule-ligament insufficiency, as well as patients 45 years o or older who have combined SLAP lesions (type II or IV)...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29416904/vasospasm-in-the-setting-of-traumatic-bilateral-carotid-cavernous-fistulas-and-its-effect-on-treatment
#16
Benjamin Z Ball, Panayiotis E Pelargos, Catherine Christie, Kiarash Golshani
Background: Direct, Type A, cavernous-carotid fistulas (CCFs) are predominantly caused by head trauma, especially when basilar skull fractures are present. Transarterial endovascular treatment of direct CCFs is the preferred method of treatment. Bilateral CCFs are estimated to be present in 1-2% of the cases. The treatment of bilateral CCFs is difficult often requiring a combination of endovascular and open surgical approaches. Case Description: We present a case of traumatic bilateral CCFs presenting with vasospasm of the anterior circulation seen on the initial angiogram on day 1 and our treatment paradigm...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29415824/a-morphovolumetric-study-of-head-malposition-in-proximal-humeral-fractures-based-on-3-dimensional-computed-tomography-scans-the-control-volume-theory
#17
Raffaele Russo, Antonio Guastafierro, Livia Renata Pietroluongo
BACKGROUND: This study regards a volumetric analysis of proximal humeral fractures. The main purpose was to investigate the head displacement in relation to the shaft and its link to volume reductions ("bone loss") of the anatomic segments interposed between the head and the shaft: the tuberosities and the calcar. We call this area "control volume." METHODS: In 20 fractures, we used 3-dimensional virtual reconstruction to create a reference system that divides geometrically the control volume and allows the evaluation of displacement angles of the humeral head...
February 5, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29415052/progressive-derivation-of-serially-homologous-neuroblast-lineages-in-the-gnathal-cns-of-drosophila
#18
Christof Rickert, Karin Lüer, Olaf Vef, Gerhard M Technau
Along the anterior-posterior axis the central nervous system is subdivided into segmental units (neuromeres) the composition of which is adapted to their region-specific functional requirements. In Drosophila melanogaster each neuromere is formed by a specific set of identified neural stem cells (neuroblasts, NBs). In the thoracic and anterior abdominal region of the embryonic ventral nerve cord segmental sets of NBs resemble the ground state (2nd thoracic segment, which does not require input of homeotic genes), and serial (segmental) homologs generate similar types of lineages...
2018: PloS One
https://www.readbyqxmd.com/read/29413454/submaximal-normalizing-methods-to-evaluate-load-sharing-changes-in-the-shoulder-during-repetitive-work
#19
Alison C McDonald, Daanish M Mulla, Paul W Stratford, Peter J Keir
The EMG-force relationship changes with muscle fatigue, making interpretation of load sharing between muscles challenging. The purpose of this investigation was to evaluate the efficacy of normalizing EMG to repeated, static, submaximal exertions to mitigate fatigue artifacts in EMG amplitude (increased amplitude without muscle force change). Participants completed repetitive work tasks, in 60-second cycles, until exhaustion. Surface EMG was recorded from 11 shoulder muscles (anterior, middle and posterior deltoids, infraspinatus, upper, middle and lower trapezius, latissimus dorsi, serratus anterior, sternal and clavicular heads of pectoralis major)...
January 9, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29410583/correlation-between-pulmonary-functions-and-respiratory-muscle-activity-in-patients-with-forward-head-posture
#20
Jeong-Il Kang, Dae-Keun Jeong, Hyun Choi
[Purpose] The purpose of this study is to determine the effect that secondary postural deformities and chronic postural abnormalities have on lung capacity, as well as correlate the activity of the respiratory muscles. The results provide basic objective data about the forward head posture and respiratory muscle activity that can be used in clinical situations. [Subjects and Methods] The subjects used in this study were 24 patients aged 25 to 35 years old who visited a hospital in Jeollanam-do Province, Korea, between September 2015 and January 2016...
January 2018: Journal of Physical Therapy Science
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