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https://www.readbyqxmd.com/read/29670792/pyogenic-spondylitis-caused-by-methicillin-resistant-staphylococcus-aureus-associated-with-tracheostomy-followed-by-resection-of-ossification-of-the-anterior-longitudinal-ligament
#1
Michio Hongo, Naohisa Miyakoshi, Masashi Fujii, Yuji Kasukawa, Yoshinori Ishikawa, Daisuke Kudo, Yoichi Shimada
Symptomatic ossification of the anterior longitudinal ligament (OALL) is rare. However, when the osteophyte enlarges and obstructive symptoms occur, the patient may require surgery. We present a case of pyogenic spondylitis caused by methicillin-resistant Staphylococcus aureus associated with tracheostomy followed by resection of OALL. A 69-year-old woman with OALL complained of dysphagia and suffocation, which was caused by prominent OALL at C4-5. Tracheostomy was performed, followed by osteophytectomy 6 weeks later...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29668386/neck-muscle-biomechanics-and-neural-control
#2
Jason Bradley Fice, Gunter P Siegmund, Jean-Sebastien Blouin
The mechanics, morphometry, and geometry of our joints, segments and muscles are fundamental biomechanical properties intrinsic to human neural control. The goal of our study was to investigate if the biomechanical actions of individual neck muscles predicts their neural control. Specifically, we compared the moment direction & variability produced by electrical stimulation of a neck muscle (biomechanics) to their preferred activation direction & variability (neural control). Subjects sat upright with their head fixed to a 6-axis load cell and their torso restrained...
April 18, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29660549/perineural-spread-along-spinal-and-obturator-nerves-in-primary-vaginal-carcinoma-a-case-report
#3
Eun Jee Song, Ji Seon Park, Kyung Nam Ryu, So Young Park, Wook Jin
BACKGROUND: Perineural spread is not uncommon feature in carcinoma of the head and neck. On the contrary, perineural spread in pelvic malignancies has been rarely reported. This report is the first report about perineural spread of obturator nerve and lumbosacral plexus from primary vaginal cancer. CASE DESCRIPTION: A 50-year-old woman diagnosed with infectious spondylitis at an outside hospital was referred to our institution. She presented with persistent lower back pain and right anterior thigh pain...
April 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29659159/spinal-accessory-motor-neurons-in-the-mouse-a-special-type-of-branchial-motor-neuron
#4
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/29659153/neural-crest-and-the-patterning-of-vertebrate-craniofacial-muscles
#5
REVIEW
Janine M Ziermann, Rui Diogo, Drew M Noden
Patterning of craniofacial muscles overtly begins with the activation of lineage-specific markers at precise, evolutionarily conserved locations within prechordal, lateral, and both unsegmented and somitic paraxial mesoderm populations. Although these initial programming events occur without influence of neural crest cells, the subsequent movements and differentiation stages of most head muscles are neural crest-dependent. Incorporating both descriptive and experimental studies, this review examines each stage of myogenesis up through the formation of attachments to their skeletal partners...
April 16, 2018: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/29657026/muscular-maximal-strength-indices-and-bone-variables-in-a-group-of-elderly-women
#6
Riad Nasr, Nathalie Al Rassy, Eric Watelain, Joseph Matta, Fabienne Frenn, Maroun Rizkallah, Ghassan Maalouf, César El Khoury, Abdel-Jalil Berro, Rawad El Hage
The aim of the present study was to explore the relations between muscular maximal strength indices and bone parameters (bone mineral density [BMD], hip geometry indices, and trabecular bone score [TBS]) in a group of elderly women. This study included 35 healthy elderly women whose ages range between 65 and 75 yr (68.1 ± 3.1 yr). BMD (in gram per square centimeter) was determined for each individual by dual-energy X-ray absorptiometry at the whole body, lumbar spine (L1-L4), total hip (TH), and femoral neck (FN)...
March 22, 2018: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/29656234/intramasseteric-schwanoma-mimicking-an-isolated-cheek-mass-case-report-and-review-of-literature
#7
Nazir El Khatib, Antoine Nehme, Selim Nasser, Nabil Moukarzel, Houssam Khodor Abtar
INTRODUCTION: Schwannoma is a benign well circumscribed tumor of the nerve sheath and it is mostly localized in the head and neck. Intramasseteric schwannoma represents a very rare entity and a few cases have been described in the literature. PRESENTATION OF CASE: We present a case of an isolated, asymptomatic and slowly progressive right cheek tumor in a middle aged man. Although multiple investigations, including neck scanner and fine needle aspiration, were done, the diagnosis was obscure and difficult before definite surgical resection...
April 7, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29643626/ratio-of-height-to-thyromental-distance-and-ratio-of-height-to-sternomental-distance-as-predictors-of-laryngoscopic-grade-in-children
#8
Swarup Ray, Shwethapriya Rao, Jasvinder Kaur, Yogesh K Gaude
Background and Aims: Failure to secure the airway is an important cause of morbidity and mortality in children. Children are often uncooperative for routine examination and pose problems for obtaining external measurements. We aimed to evaluate ratio of height-to-thyromental distance (RHTMD) and ratio of height-to-sternomental distance (RHSMD) as predictors of laryngoscopic grade in children aged 1-12 years. Material and Methods: This study was an observational study conducted in children aged between 1 and 12 years scheduled for elective surgery under general anesthesia...
January 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29642922/an-anterolateral-thigh-chimeric-flap-for-dynamic-facial-and-esthetic-reconstruction-after-oncological-surgery-in-the-maxillofacial-region-a-case-report
#9
Zoltán Lóderer, Tamás Vereb, Róbert Paczona, Ágnes Janovszky, József Piffkó
BACKGROUND: The surgical management of malignant tumors in the head and neck region often leads to functional and esthetic defects that impair the quality of life of the patients. Reconstruction can be solved with prostheses in these cases, but various types of microsurgical free flaps can provide a better clinical outcome. CASE PRESENTATION: In this case report, the tumor and parts of the involved facial muscles and nerve were excised surgically from a 42-year-old patient after a third relapse of basal cell carcinoma in the left midface...
April 11, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29642533/rhabdomyolysis-in-a-young-girl-with-van-wyk-grumbach-syndrome-due-to-severe-hashimoto-thyroiditis
#10
Alberto Leonardi, Laura Penta, Marta Cofini, Lucia Lanciotti, Nicola Principi, Susanna Esposito
Background: Autoimmune hypothyroidism (Hashimoto thyroiditis; HT) is the most common postnatal thyroid disease. Clinical manifestations of HT vary according to disease severity. Due to the pleiotropic effects of thyroid hormone, less common signs and symptoms of HT can occur, leading to a delay in diagnosis. Case presentation: A 9-year-old girl of Indian origin was admitted for a one-week history of widespread myalgia, fatigue, muscle weakness, difficulty walking, and a significant increase in weight (approximately 2 kg) without any changes in daily habits...
April 9, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29629427/reference-values-for-shear-wave-elastography-of-neck-and-shoulder-muscles-in-healthy-individuals
#11
Caroline Ewertsen, Jonathan Carlsen, Mohammed Aftab Perveez, Henrik Schytz
Purpose: to establish reference values for ultrasound shear-wave elastography for pericranial muscles in healthy individuals (m. trapezius, m. splenius capitis, m. semispinalis capitis, m. sternocleidomastoideus and m. masseter). Also to evaluate day-to-day variations in the shear-wave speeds and evaluate the effect of the pennation of the muscle fibers, ie scanning parallel or perpendicularly to the fibers. Materials and Methods: 10 healthy individuals (5 males and 5 females) had their pericranial muscles examined with shear-wave elastography in two orthogonal planes on two different days for their dominant and non-dominant side...
January 2018: Ultrasound International Open
https://www.readbyqxmd.com/read/29624731/a-novel-microsurgical-rodent-model-for-the-transplantation-of-engineered-cardiac-muscle-flap
#12
Richard Tee, Wayne Allan Morrison, Rodney J Dilley
BACKGROUND: The survival of engineered cardiac muscle 'grafts' to the epicardium is limited by vascularization post-transplantation in rat models. In this article, we describe the methodology of a novel rat model that allows for the transplantation of an engineered cardiac muscle flap (ECMF) onto the epicardium. MATERIALS AND METHODS: A total of 40 rats were used. Twenty-four neonatal rats were used to harvest cardiomyocytes. At week 1, ECMF were generated by seeding cardiomyocytes into the arteriovenous loop (AVL) tissue engineering chamber implanted into the right groin of adult rats (n = 8)...
April 6, 2018: Microsurgery
https://www.readbyqxmd.com/read/29621090/superficial-fascia-in-the-cheek-and-the-superficial-musculoaponeurotic-system
#13
Kun Hwang, Jung Ho Choi
The origins and validity of the term "superficial musculoaponeurotic system" (SMAS) is reviewed. Gray stated the superficial fascia connects the skin with the deep or aponeurotic fascia and consists of fibro-areolar tissue. Hollinshead wrote superficial fascia exists throughout the body and contains a variable amount of fat. In the head and neck, it encloses voluntary muscles in its deep portion. Skoog found superficial fascia was fixed to the dense, deep fascia by fibrous adhesions in the temporal, preauricular, and parotid area...
April 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29620644/intrathyroidal-ectopic-thymus-in-children-a-benign-lesion
#14
Myung Hoon Bang, JinShik Shin, Kwan Seop Lee, Min Jae Kang
As ultrasound is commonly used these days, more and more lesions are found incidentally, including simple cysts, isoechoic nodules, and hypoechoic nodules, such as ectopic thymus. We here report the prevalence of ectopic thymus and its natural course.We retrospectively reviewed the charts of 690 subjects (342 males, 348 females) who were under 18 years old and had undergone neck or thyroid ultrasound at Hallym University Sacred Heart Hospital from January 2014 to June 2017. Ectopic thymus was defined when the incidental lesion was hypo- to iso-echoic compared to adjacent muscles with vascularity and did not have a connection to the thymus in the mediastinum...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29620637/decreased-postural-control-in-people-with-moderate-hearing-loss
#15
Ewan Thomas, Francesco Martines, Antonino Bianco, Giuseppe Messina, Valerio Giustino, Daniele Zangla, Angelo Iovane, Antonio Palma
Balance is a complex process that involves multiple sensory integrations. The auditory, visual, and vestibular systems are the main contributors. Hearing loss or hearing impairment may induce inappropriate postural strategies that could affect balance and therefore increase the risk of falling.The aim of this study was to understand whether hearing loss could influence balance, cervical posture, and muscle activation in the cervical region.Thirteen patients (61 ± 13 years; 161.8 ± 11.0 cm; 70.5 ± 15...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29619804/effect-of-voluntary-teeth-clenching-and-sitting-posture-on-maximal-static-force-of-limb-muscles
#16
Ahmad H Alghadir, Hamayun Zafar, Zaheen A Iqbal, Einas S Al-Eisa
BACKGROUND: People clench their teeth to activate facial, neck and abdominal muscles when they need to generate heavy muscle force against large resistance like lifting heavy objects, in order to gain possible ergogenic advantage. These are termed as remote voluntary contractions. Aim of this study was to evaluate the effect of voluntary teeth clenching on maximal voluntary contraction of extensors and flexors of the knee, shoulder and elbow joints of the dominant side during slouch and unsupported upright sitting...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29619391/neck-back-and-shoulder-pains-and-ergonomic-factors-among-dental-students
#17
Raha Habib Aghahi, Rezvan Darabi, Maryam Alsadat Hashemipour
BACKGROUND: Dynamic and static activities in dentistry cause musculoskeletal disorders, but dental students do not have sufficient awareness about the effects of ergonomic factors on their health. The aim of this study was to investigate ergonomic factors that cause pain muscle in dental students in Kerman Medical University, Iran. METHODS: This cross-sectional analysis study was carried out on dental students of the 3rd , 4th , 5th , and 6th year, in clinical practice in the School of Dentistry, Kerman University of Medical Sciences...
2018: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/29618042/in-vivo-prediction-of-the-carcass-fatness-using-live-body-measurements-in-pekin-ducks
#18
Fang-Bin Lin, Feng Zhu, Jin-Ping Hao, Fang-Xi Yang, Zhuo-Cheng Hou
The purpose of this study was to evaluate the correlation between live body measurements and several fat traits in Pekin ducks, and ultimately to formulate multiple regression equations for the in vivo estimation of the carcass fatness of Pekin ducks. Several traits were measured in a total of 208 Pekin ducks aged 6 wk (107 males and 101 females). All ducks were weighed and measured for a set of body measurements including live body weight, body slope length, breast muscle thickness, skin fat thickness, chest width, keel length, and neck length...
March 31, 2018: Poultry Science
https://www.readbyqxmd.com/read/29616117/correlation-of-hypoxia-status-with-radiosensitizing-effects-of-sodium-glycididazole-a-preclinical-study
#19
Yang Yu, Xiaolin Li, Hengwei Xu, Jing Liu, Min Dong, Jia Yang, Lu Sun, Xiaorong Sun, Ligang Xing
The correlation of pretreatment hypoxia status with the radiosensitization effect of sodium glycididazole (CMNa) was not previously defined. The purpose of the present study was to evaluate the tumor hypoxia status in various cancer xenografts and to investigate the correlation between tumor hypoxia status and radiosensitizing effects of CMNa based on the pharmacokinetic and pharmacodynamic parameters. Human esophageal cancer (EC109), head and neck cancer (FaDu) and lung cancer (A549) nude mice xenografts were used...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29615290/gait-training-using-a-hybrid-assistive-limb-hal-attenuates-head-drop-a-case-report
#20
Kousei Miura, Masao Koda, Hideki Kadone, Shigeki Kubota, Yukiyo Shimizu, Hiroshi Kumagai, Katsuya Nagashima, Kentaro Mataki, Kengo Fujii, Hiroshi Noguchi, Toru Funayama, Tetsuya Abe, Yoshiyuki Sankai, Masashi Yamazaki
Dropped head syndrome (DHS) is characterized by a chin-on-chest deformity, which can severely interfere with forward vision and impair activities of daily living. A standardized treatment strategy for DHS has not been established. To our knowledge, this is the first case report describing the efficacy of gait training using a hybrid assistive limb (HAL) for DHS. A 75-year-old man showed apparent head drop in a standing position, resulting in passively reducible chin-on-chest deformity. A radiograph image showed apparent cervical kyphosis...
March 31, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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