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https://www.readbyqxmd.com/read/28728320/temple-and-postauricular-dissection-in-face-and-neck-lift-surgery
#1
Joo Heon Lee, Tae Suk Oh, Sung Wan Park, Jae Hoon Kim, Tanvaa Tansatit
Periauricular paresthesia may afflict patients for a significant amount of time after facelift surgery. When performing face and neck lift surgery, temple and posterior auricular flap dissection is undertaken directly over the auriculotemporal, great auricular, and lesser occipital nerve territory, leading to potential damage to the nerve. The auriculotemporal nerve remains under the thin outer superficial fascia just below the subfollicular level in the prehelical area. To prevent damage to the auriculotemporal nerve and to protect the temporal hair follicle, the dissection plane should be kept just above the thin fascia covering the auriculotemporal nerve...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28728078/femoral-head-necrosis-a-finite-element-analysis-of-common-and-novel-surgical-techniques
#2
Myriam Cilla, Sara Checa, Bernd Preininger, Tobias Winkler, Carsten Perka, Georg N Duda, Matthias Pumberger
BACKGROUND: Femoral head necrosis is a common cause of secondary osteoarthritis. At the early stages, treatment strategies are normally based on core decompression techniques, where the number, location and diameter of the drilling holes varies depending on the selected approach. The purpose of this study was to investigate the risk of femoral head, neck and subtrochanteric fracture following six different core decompression techniques. MATERIALS: Five common and a newly proposed techniques were analyzed in respect to their biomechanical consequences using finite element analysis...
July 6, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28727072/the-equine-glucose-dependent-insulinotropic-polypeptide-receptor-a-potential-therapeutic-target-for-insulin-dysregulation
#3
M H Kheder, M N Sillence, L M Bryant, M A de Laat
Metabolic disease is a significant problem that causes a range of species-specific comorbidities. Recently, a better understanding of glucose-dependent insulinotropic polypeptide (GIP) biology has led to the suggestion that inhibiting its action may attenuate obesity in several species. In horses, antagonism of GIP may also reduce hyperinsulinemia, which leads to insulin-associated laminitis, a painful comorbidity unique to this species. However, little is known about GIP in horses. The aims of this study were to examine the tissue distribution of equine GIP receptors (eGIPR), to determine whether eGIPR can be blocked using a GIP antagonist not tested previously in horses, and to establish whether there is any association between GIP concentrations and body mass in this species...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28721578/preventive-chair-massage-with-algometry-to-maintain-psychosomatic-balance-in-white-collar-workers
#4
Anna Cabak, Mirosław Mikicin, Marek Łyp, Iwona Stanisławska, Ryszard Kaczor, Wiesław Tomaszewski
People working at computers often suffer from overload-related muscle pain, and physical and mental discomfort. The aim of the study was to evaluate the effectiveness of chair massage, conducted in the workplace among white-collar workers, in relieving symptoms of musculoskeletal strain related to prolonged sitting posture. The study was conducted in 124 white-collar workers, 55 women and 69 men, aged 33.7 ± 7.6 years. Subjects were randomly assigned to three groups: chair massage program, relaxing music sessions, and a control group, each of four-week duration...
July 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28720989/trapezius-perforator-flap-for-reconstruction-of-a-posterior-cervical-defect
#5
Ricardo Nascimento, Joana Costa, Ricardo Horta, Álvaro Silva
The use of free flaps is considered the "gold standard" for reconstruction of head and neck defects. Locoregional flaps allows a better aesthetic result compared to free flaps, whenever there's an external skin defect. However the use of free flaps is not always adequate in the presence of preoperative comorbidities or previous surgeries. Since the description of the trapezius myocutaneous flap in the 1980's, many authors have published the results of the applicability of this flap in head and neck salvage reconstructive surgery...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28719734/tissue-engineering-of-a-composite-trachea-construct-using-autologous-rabbit-chondrocytes
#6
James E Dennis, Kristina G Bernardi, Thomas J Kean, Nelson E Liou, Tanya K Meyer
The repair of large tracheal segmental defects remains an unsolved problem. The goal of this study is to apply tissue engineering principles for the fabrication of large segmental trachea replacements. Engineered tracheal replacements composed of autologous cells ("neotracheas") were tested in a New Zealand White rabbit model. Neotracheas were formed in the rabbit neck by wrapping a silicone tube with consecutive layers of skin epithelium, platysma muscle and an engineered cartilage sheet, and allowing the construct to mature for 8-12 weeks...
July 18, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28716680/three-dimensional-adiabatic-inversion-recovery-prepared-ultrashort-echo-time-cones-3d-ir-ute-cones-imaging-of-cortical-bone-in-the-hip
#7
Amin Nazaran, Michael Carl, Yajun Ma, Saeed Jerban, Yanchun Zhu, Xing Lu, Jiang Du, Eric Y Chang
PURPOSE: We present three-dimensional adiabatic inversion recovery prepared ultrashort echo time Cones (3D IR-UTE-Cones) imaging of cortical bone in the hip of healthy volunteers using a clinical 3T scanner. METHODS: A 3D IR-UTE-Cones sequence, based on a short pulse excitation followed by a 3D Cones trajectory, with a nominal TE of 32μs, was employed for high contrast morphological imaging of cortical bone in the hip of heathy volunteers. Signals from soft tissues such as muscle and marrow fat were suppressed via adiabatic inversion and signal nulling...
July 14, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28716227/mitochondrial-trna-genes-are-hotspots-for-mutations-in-a-cohort-of-patients-with-exercise-intolerance-and-mitochondrial-myopathy
#8
Yuanyuan Lu, Danhua Zhao, Sheng Yao, Shiwen Wu, Daojun Hong, Qingqing Wang, Jing Liu, Jan A M Smeitink, Yun Yuan, Zhaoxia Wang
OBJECTIVE: Mitochondrial myopathy (MM) is a relatively rare type of mitochondrial disorder characterized by predominant skeletal muscle involvement. Both mitochondrial DNA (mtDNA) and nuclear DNA (nDNA) mutations have been reported as the genetic causes of this disease. Here, we described the clinical and genetic features of a cohort of patients with MM. METHODS: We conducted a retrospective, single center study enrolling 22 patients with clinically and myopathologically diagnosed MM...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28714658/the-effect-of-progressive-shoulder-neck-exercise-on-cervical-muscle-functions-of-middle-aged-and-senior-patients-with-chronic-neck-pain-a-randomized-controlled-trial
#9
I Hsien Lin, Kwang H Chang, Tsan H Liou, Chih M Tsou, Yi C Huang
BACKGROUNDː Although neck pain is a common musculoskeletal disorder, there is no consensus on suitable exercise methods for middle-aged and senior patients with chronic neck pain. Therefore, this study investigated the effectiveness of a 6-week shoulder-neck exercise intervention program on cervical muscle function improvement in ≥45-year old patients with chronic neck pain. AIM: To evaluated the effects of progressive shoulder-neck exercise on cervical muscle functions of middle-aged and senior patients with chronic neck pain...
July 17, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28714657/women-with-late-whiplash-syndrome-have-greatly-reduced-load-bearing-of-the-cervical-spine-in-vivo-biomechanical-cross-sectional-lateral-radiographic-study
#10
Eythor Kristjansson, Magnus K Gislason
BACKGROUND: No study has been conducted to ascertain whether the load-bearing capacity of the cervical spine is reduced in vivo in late whiplash syndrome (LWS). AIM: To compare the segmental cervical angular values across C0-C6, between two conditions: without versus with external axial load upon the head in three groups of women. DESIGN: A single-blind, age-Body Mass Index (BMI) matched, radiographic, cross-sectional study. SETTING: Radiographic Department at a University Hospital...
July 17, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28713116/therapeutic-evaluation-of-cervical-dysfunction-in-patients-with-myofascial-pain-dysfunction-syndrome-a-prospective-study
#11
B Smriti Jagdhari, Motwani Mukta, A Golhar Saket, Anil V Golhar
AIM: The aim of this study was to find out the therapeutic correlation between cervical dysfunction and myofascial pain dysfunction syndrome (MPDS). MATERIALS AND METHODS: The study included 46 patients out of which 23 had MPDS with cervical pain (group I), and 23 patients had only MPDS (group II). Detailed history and examination of the patients were carried out, and the factors taken into consideration were pain and tenderness of muscles of mastication and neck muscles, maximum comfortable mouth opening, and cervical range of motion...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28711601/catecholaminergic-a1-c1-neurons-contribute-to-the-maintenance-of-upper-airway-muscle-tone-but-may-not-participate-in-nrem-sleep-related-depression-of-these-muscles
#12
Irma Rukhadze, Nancy J Carballo, Sathyajit S Bandaru, Atul Malhotra, Patrick M Fuller, Victor B Fenik
Neural mechanisms of obstructive sleep apnea, a common sleep-related breathing disorder, are incompletely understood. Hypoglossal motoneurons, which provide tonic and inspiratory activation of genioglossus (GG) muscle (a major upper airway dilator), receive catecholaminergic input from medullary A1/C1 neurons. We aimed to determine the contribution of A1/C1 neurons in control of GG muscle during sleep and wakefulness. To do so, we placed injections of a viral vector into DBH-cre mice to selectively express the hMD4i inhibitory chemoreceptors in A1/C1 neurons...
July 12, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28711376/motor-evoked-potentials-in-patients-with-chronic-whiplash-associated-disorder-grade-ii
#13
Jacques De Reuck
BACKGROUND AND PURPOSE: It is common belief that psychological problems influence the persistence of complains in patients with so-called mild whiplash-associated disorders (WADs). The usefulness of motor evoked potentials (MEPs) is investigated in patients with grade II WAD and remaining complains for more than 6 months. PATIENTS AND METHODS: Twenty consecutive patients, aged between 24 and 58 years, with persistent neck pain for months after a car accident were included...
July 8, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28708701/self-reported-concussion-history-and-sensorimotor-tests-predict-head-neck-injuries
#14
Julie A Hides, Melinda M Franettovich Smith, M Dilani Mendis, Julia Treleaven, Andrew H Rotstein, Christopher T Sexton, Nancy Low Choy, Paul McCrory
PURPOSE: Sports related concussion (SRC) is a risk for players involved in high impact, collision sports. A history of SRC is a risk factor for future concussions, but the mechanisms underlying this are unknown. Despite evidence that most visible signs and symptoms associated with sports concussion resolve within 7-10 days, it has been proposed that subclinical loss of neuromuscular control and impaired motor functioning may persist and be associated with further injury. Alternatively, indicators of poor sensorimotor performance could be independent risk factors...
July 13, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28708034/ultrasound-guided-percutaneous-common-carotid-artery-access-in-piglets-for-intracoronary-stem-cell-infusion
#15
Jason H Anderson, Nathaniel W Taggart, Sarah L Edgerton, Susana Cantero Peral, Kimberly A Holst, Frank Cetta
In pigs, the deep location of the common carotid artery and overlying sternomastoideus muscle in the neck has led to the recommendation for a surgical cutdown for common carotid access, as opposed to minimally invasive techniques for vascular access. We sought to determine if direct percutaneous common carotid artery access in piglets is attainable. Seventeen piglets were anesthetized and intubated. Under two-dimensional and color flow Doppler ultrasound guidance, a 21 gauge needle was utilized to access the right common carotid artery...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28707161/a-weight-independent-association-between-atypical-antipsychotic-medications-and-obstructive-sleep-apnea
#16
Habibolah Khazaie, Amir Sharafkhaneh, Sepideh Khazaie, Mohammad Rasoul Ghadami
BACKGROUND: With increasing use of atypical antipsychotic (AAP) agents, the concern has been raised about the association between AAP agents and medical complications. Obstructive sleep apnea (OSA) is a common breathing disorder that adversely affects health and quality of life. Because the major risk factors for OSA are weight gain and obesity by altering the upper airway anatomy, an association between AAP and development of OSA is predictable. However, we hypothesized that AAP may promote OSA not only by weight gain but also because of its potential effects on upper airway muscle function...
July 13, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28706744/management-of-oromandibular-dystonia-a-case-report-and-literature-update
#17
Suma Gn, Adrita Nag
Oromandibular dystonia (OMD) is a movement disorder characterized by involuntary, paroxysmal, and patterned muscle contractions of varying severity resulting in sustained spasms of masticatory muscles, affecting the jaws, tongue, face, and pharynx. It is most commonly idiopathic or medication-induced, but peripheral trauma sometimes precedes the condition. We present a case report of a 26-year-old female patient who suffered repetitive bouts of hemifacial muscle contractions for 2 years on closing the mouth which interfered in patient's well-being and quality of life by hampering her ability to eat and talk and to the extent of inability to breath due to contractions of her neck muscles...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28705287/generalized-discoid-lupus-erythematosus-as-the-presenting-sign-of-small-cell-lung-carcinoma
#18
Tania M Gonzalez Santiago, David A Wetter, Garrett C Lowe, Gabriel F Sciallis
A 46-year-old woman with a 30 pack-year smoking history presented with a worsening eruption on the left cheek that failed to improve with metronidazole gel. The cutaneous eruption spread to most of her face and did not respond to a brief tapering course of prednisone. During the initial evaluation at our institution, approximately 6 weeks after the onset of the cutaneous eruption, the patient had erythematous, crusted plaques on her face and scalp (Figure 1A); they were also present on the V-area of the anterior aspect of the neck and upper region of the chest, the shoulders, and the arms, with isolated lesions on the trunk and legs...
2017: Skinmed
https://www.readbyqxmd.com/read/28699193/outcomes-of-laryngohyoid-suspension-techniques-in-an-ovine-model-of-profound-oropharyngeal-dysphagia
#19
Christopher M Johnson, Naren N Venkatesan, M Tausif Siddiqui, Daniel J Cates, Maggie A Kuhn, Gregory M Postma, Peter C Belafsky
OBJECTIVES/HYPOTHESIS: To evaluate the efficacy of various techniques of laryngohyoid suspension in the elimination of aspiration utilizing a cadaveric ovine model of profound oropharyngeal dysphagia. STUDY DESIGN: Animal study. METHODS: The head and neck of a Dorper cross ewe was placed in the lateral fluoroscopic view. Five conditions were tested: baseline, thyroid cartilage to hyoid approximation (THA), thyroid cartilage to hyoid to mandible (laryngohyoid) suspension (LHS), LHS with cricopharyngeus muscle myotomy (LHS-CPM), and cricopharyngeus muscle myotomy (CPM) alone...
July 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28696999/the-expanding-role-of-scapular-free-flaps
#20
Alice L Tang, Shethal Bearelly, Kyle Mannion
PURPOSE OF REVIEW: The review evaluates the expanding role of scapular free flaps and its application in various complex head and neck defects. RECENT FINDINGS: The recent literature published focuses on the use of three-dimensional modeling for maxillectomy defects, expanded uses in both the megaflap, the various application of the scapular tip flap, and the feasibility of osseointegrated implants. SUMMARY: The subscapular system of flaps remains a versatile option in head and neck reconstruction...
July 10, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
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