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https://www.readbyqxmd.com/read/27904800/cervical-contribution-to-functional-shoulder-impingement-two-case-reports
#1
Steven Pheasant
BACKGROUND: Subacromial impingement is a common condition among overhead athletes. The cause of subacromial impingement can be multifactorial and often involves impaired rotator cuff function. CASE DESCRIPTION: The following cases outline the presentation, examination and intervention of two overhead athletes, a high school football quarterback and a collegiate swimmer, each presenting with signs and symptoms of subacromial impingement. The unique feature in each case was the manifestation of the cervical spine as the apparent source of rotator cuff weakness, which contributed to functional subacromial impingement although other overt signs of cervical or associated nerve root involvement were absent...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27901556/apical-transportation-during-removal-of-root-canal-filling-with-different-retreatment-systems
#2
Baran C Sağlam, Ersan Çiçek, Mustafa M Koçak, Sibel Koçak, Bağdagül H Kıvanç
INTRODUCTION: This study aimed to compare apical transportation during retreatment using ProTaper Universal retreatment (PTUR), Mtwo R and D-RaCe instruments in curved root canals. METHODS: 36 extracted mandibular molar teeth with curved mesiobuccal roots were selected. The teeth were embedded into acrylic blocks. The blocks were fixed on the experimental setup. After determining the working length (WL), mesiobuccal canals were prepared with ProTaper Universal rotary instruments to size F1 (20/0...
November 29, 2016: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/27898338/effect-of-pgd2-on-middle-meningeal-artery-and-mrna-expression-profile-of-l-pgd2-synthase-and-dp-receptors-in-trigeminovascular-system-and-other-pain-processing-structures-in-rat-brain
#3
Aysegül Sekeroglu, Julie Mie Jacobsen, Inger Jansen-Olesen, Saurabh Gupta, Majid Sheykhzade, Jes Olesen, Deepak K Bhatt
BACKGROUND: Prostaglandins (PGs), particularly prostaglandin D2 (PGD2), E2 (PGE2), and I2 (PGI2), are considered to play a role in migraine pain. In humans, infusion of PGD2 causes lesser headache as compared to infusion of PGE2 and PGI2. Follow-up studies in rats have shown that infusion of PGE2 and PGI2 dilate the middle meningeal artery (MMA), and mRNA for PGE2 and PGI2 receptors is present in rat trigeminovascular system (TVS) and in the brain structures associated with pain. In the present study, we have characterized the dilatory effect of PGD2 on rat MMA and studied the relative mRNA expression of PGD2 receptors and lipocalin-type of PGD2 synthase (L-PGDS)...
September 19, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27891027/purely-extradural-spinal-nerve-root-hemangioblastomas
#4
REVIEW
Murat Hamit Aytar, Ulaş Yener, Murat Şakir Ekşi, Behram Kaya, Serdar Özgen, Aydin Sav, Ahmet Alanay
Spinal nerve root hemangioblastomas present mostly as intradural-extradurally. Purely extradural spinal nerve root hemangioblastoma is a very rare entity. In this study, we aimed to analyze epidemiological perspectives of purely extradural spinal nerve root hemangioblastomas presented in English medical literature in addition to our own exemplary case. PubMed/MEDLINE was searched using the terms "hemangioblastoma," "extradural," "spinal," and "nerve root." Demographical variables of age, gender, concomitant presence of von Hippel-Lindau (VHL) disease; spinal imaging and/or intraoperative findings for tumor location were surveyed from retrieved articles...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890438/short-term-clinical-results-of-frozen-shoulder-treated-with-shoulder-manipulation-under-ultrasound-guided-cervical-nerve-root-block-at-outpatient-setting-a-case-series
#5
Tomohiro Saito, Hideyuki Sasanuma, Yuki Iijima, Yuji Kanaya, Toshihiro Saito, Hideaki Watanabe, Ichiro Kikkawa, Katsushi Takeshita
BACKGROUND: We evaluated the short-term clinical outcomes of frozen shoulder treatment via shoulder manipulation under ultrasound-guided cervical nerve root block (MUC). METHODS: This study included frozen shoulder patients who were unresponsive to conservative therapy for at least 6 months and were then treated with MUC. Patients with a rotator cuff tear, calcifying tendinitis, osteoarthritis, or any other shoulder disorder were excluded following X-ray, ultrasound, and magnetic resonance imaging evaluation...
November 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27882626/spectrophotometric-color-analysis-of-maxillary-permanent-central-incisors-in-a-pediatric-population-a-preliminary-study
#6
Selcuk Savas, Fevzi Kavrik, Bilal Yasa, Ebru Kucukyilmaz
BACKGROUND: Although several studies have reported the color distribution of maxillary central incisors and the effects of age and gender, a reliable database of the color of newly erupted teeth with open apices and the effect of the root development stage on tooth color shades do not currently exist. AIM: The purpose of this in vivo study was to perform a spectrophotometric color analysis of maxillary permanent central incisors based on apical developmental stage, age, and gender groups...
November 24, 2016: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/27879313/international-registry-of-patients-carrying-tgfbr1-or-tgfbr2-mutations-results-of-the-montalcino-aortic-consortium
#7
Guillaume Jondeau, Jacques Ropers, Ellen Regalado, Alan Braverman, Arturo Evangelista, Guisela Teixido, Julie De Backer, Laura Muiño-Mosquera, Sophie Naudion, Cecile Zordan, Takayuki Morisaki, Hiroto Morisaki, Yskert Von Kodolitsch, Sophie Dupuis-Girod, Shaine A Morris, Richmond Jeremy, Sylvie Odent, Lesley C Adès, Madhura Bakshi, Katherine Holman, Scott LeMaire, Olivier Milleron, Maud Langeois, Myrtille Spentchian, Melodie Aubart, Catherine Boileau, Reed Pyeritz, Dianna M Milewicz
BACKGROUND: -The natural history of aortic diseases in patients with TGFBR1 or TGFBR2 mutations reported by different investigators has varied greatly. In particular, the current recommendations for the timing of surgical repair of the aortic root aneurysms may be overly aggressive. METHODS AND RESULTS: -The Montalcino Aortic Consortium, which includes 15 centers worldwide that specialize in heritable thoracic aortic diseases, was used to gather data on 441 patients from 228 families, with 176 cases harboring a mutation in TGBR1 and 265 in TGFBR2 Patients harboring a TGFBR1 mutation have similar survival rates (80% survival at 60 years), aortic risk (23% aortic dissection, 18% preventive aortic surgery), and prevalence of extra-aortic features (29% hypertelorism, 53% cervical arterial tortuosity, 27% wide scars) when compared to patients harboring a TGFBR2 mutation...
November 21, 2016: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/27870071/eosinophilic-meningomyelitis-associated-with-t-cell-lymphoma-in-a-cat
#8
Kathryn Y Bray, Karen R Muñana, Kristina Meichner, Laura A White, Gabriela Seiler
A 12-year-old cat was presented for evaluation of progressive tetraparesis. Magnetic resonance imaging of the cervical spine demonstrated T2-hyperintensity, and contrast enhancement within the C4-C7 spinal cord, with marked meningeal contrast enhancement and segmental nerve root thickening. Lumbar cerebrospinal fluid contained 407 total nucleated cells/μL, with 99% eosinophils. The cat transiently improved with prednisolone, clindamycin, and ivermectin therapy, but subsequently worsened and was euthanized...
November 21, 2016: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/27866248/microanatomy-of-the-brachial-plexus-roots-and-its-clinical-significance
#9
Li-Yuan Zhong, Ai-Ping Wang, Li Hong, Sheng-Hua Chen, Xian-Qin Wang, Yun-Cheng Lv, Tian-Hong Peng
PURPOSE: To provide the anatomical basis of brachial plexus roots for the diagnosis and treatment of brachial plexus root avulsion injury. METHODS: The morphological features of brachial plexus roots were observed and measured on 15 cervicothoracic spine of adult cadavers. The relationship of brachial plexus nerve roots and the surrounding tissues also were observed, as well as the blood supply of anterior and posterior roots of the brachial plexus. RESULTS: Origination of the nerve roots in the dorsal-ventral direction from the midline was fine-tuned at each level along the spinal cord...
November 19, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27853499/effect-of-voxel-size-on-detection-of-external-root-resorption-defects-using-cone-beam-computed-tomography
#10
Sima Nikneshan, Solmaz Valizadeh, Anahita Javanmard, Leila Alibakhshi
BACKGROUND: Selecting a voxel size that yields minimal radiation dose with no significant compromise of the diagnostic accuracy of cone beam computed tomography (CBCT) is particularly important. OBJECTIVES: This study aimed to assess the effect of voxel size on detection accuracy of simulated external root resorption defects using NewTom CBCT system. MATERIALS AND METHODS: In this diagnostic study, the roots of 90 extracted human central incisors were hypothetically divided into cervical, middle, and apical thirds...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27847133/c1-lateral-mass-screw-insertion-caudally-from-c2-nerve-root-an-alternate-method-for-insertion-of-c1-screws-a-technical-note-and-preliminary-clinical-results
#11
Keiji Wada, Ryo Tamaki, Mitsuru Yui, Daisuke Numaguchi, Yasuaki Murata
BACKGROUND: C1 lateral mass screw was widely used for fixation of the upper cervical spine. However, massive bleeding from the C1-2 venous plexus is sometimes encountered. In this study, we proposed an alternate method for C1 lateral mass screw insertion, which involves insertion of the screws caudally from the C2 nerve root to reduce bleeding from C1-2 venous plexus. METHODS: Seven patients with atlantoaxial lesions were included in this study. The mean age at surgery was 65...
November 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27834413/can-degradation-of-adhesive-interfaces-due-to-water-storage-affect-stress-distributions-a-finite-element-stress-analysis-study
#12
Sema Belli, Oğuz Eraslan, Gürcan Eskitaşcıoğlu
PURPOSE: The aim of this finite-element stress analysis (FEA) was to determine the effect of degradation due to water storage on stress distributions in root-filled premolar models restored with composite using either a self-etch (SE) or an etch-and-rinse (E&R) adhesive. MATERIALS AND METHODS: Four premolar FEA models including root filling, MOD cavity, and composite restorations were created. The cavities were assumed to be treated by SE or E&R adhesives and stored in water for 18 months...
November 10, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27834028/risk-factors-for-failure-in-the-management-of-cervical-caries-lesions
#13
R J Wierichs, E J Kramer, H Meyer-Lueckel
OBJECTIVES: The aim of this retrospective, non-interventional clinical study was to analyze factors influencing the survival of restorative treatments of active cervical (root) caries lesions (aCCLs) and the success of non-invasive treatment options of inactive cervical (root) caries lesions (iCCLs). MATERIAL AND METHODS: Records from patients who visited a single private practice regularly were searched for the presence of solely buccal CCLs. Data from 345 aCCLs and 232 iCCLs being detected at least 6 months before the last recall visit in 295 patients were recorded...
November 10, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27830290/a-new-armored-archosauriform-diapsida-archosauromorpha-from-the-marine-middle-triassic-of-china-with-implications-for-the-diverse-life-styles-of-archosauriforms-prior-to-the-diversification-of-archosauria
#14
Chun Li, Xiao-Chun Wu, Li-Jun Zhao, Sterling J Nesbitt, Michelle R Stocker, Li-Ting Wang
Reptiles have a long history of transitioning from terrestrial to semi-aquatic or aquatic environments that stretches back at least 250 million years. Within Archosauria, both living crocodylians and birds have semi-aquatic members. Closer to the root of Archosauria and within the closest relatives of the clade, there is a growing body of evidence that early members of those clades had a semi-aquatic lifestyle. However, the morphological adaptations to a semi-aquatic environment remain equivocal in most cases...
December 2016: Die Naturwissenschaften
https://www.readbyqxmd.com/read/27827299/outcome-comparison-of-nerve-transfer-with-different-donor-nerves-in-a-rat-model
#15
Xiaotian Jia, Cong Yu, Jianyun Yang
OBJECTIVE: The phrenic nerve and the contralateral seventh cervical (C7) nerve root are the most commonly used donor nerves in the treatment of total brachial plexus avulsion. The aim of this study was to determine if the phrenic nerve or the contralateral C7 nerve root yields a superior outcome for nerve transfer. METHODS: A total of 60 Sprague-Dawley rats were randomly assigned to 1 of 3 groups. In Group A the phrenic nerve was used as the donor nerve; in Group B the contralateral C7 nerve root nerve was used as the donor nerve; in Group C the nerve was directly sutured...
November 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/27820690/multidisciplinary-treatment-of-complicated-crown-root-fractures-a-case-study
#16
I L Stojanac, B V Bajkin, M T Premovic, B D Ramic, L M Petrovic
Traumatic dental injuries usually occur among children and adolescents, with maxillary central incisors as the most often affected teeth. Complicated crown-root fractures are particularly challenging for esthetic and functional rehabilitation and often require a multidisciplinary approach. A 21-year-old male patient came to the Dental Clinic due to fractured maxillary incisors caused by trauma during a sporting activity. Clinical examination revealed horizontal fractures of teeth 7, 8, and 9, initiating in the labial cervical third and extending subgingivally on the palate, with exposed pulp tissues...
November 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27812613/effects-of-the-application-techniques-of-self-adhesive-resin-cements-on-the-interfacial-integrity-and-bond-strength-of-fiber-posts-to-dentin
#17
Ana Paula Ribeiro do Vale Pedreira, Paulo Henrique Perlatti D'Alpino, Patrícia Nóbrega Rodrigues Pereira, Sasha Braun Chaves, Linda Wang, Leandro Hilgert, Fernanda Cristina Pimentel Garcia
Objective: To evaluate the influence of an application technique of a glass-fiber post using self-adhesive resin cements on the push-out bond strength and the presence of bubbles in the root thirds. The cements were either applied according to the manufacturer's instruction or using a commercial delivering system (Centrix), at which the cement pastes were collected and applied after manipulation. Material and Methods: Self-adhesive resin cements (RelyX U200/3M ESPE-U200; Maxcem Elite/Kerr-MAX; Clearfil SA Cement/Kuraray-CSA) and a conventional cement (RelyX ARC/3M ESPE-ARC) were used to cement a post and applied either based on the manufacturer's instructions or using a Centrix syringe to deliver the cements directly onto the post of choice, or directly into canal...
September 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27807773/drop-finger-caused-by-8th-cervical-nerve-root-impairment-a-clinical-case-series
#18
Masao Koda, Takeo Furuya, Tomoyuki Rokkaku, Masazumi Murakami, Yasushi Ijima, Junya Saito, Mitsuhiro Kitamura, Seiji Ohtori, Sumihisa Orita, Kazuhide Inage, Masashi Yamazaki, Chikato Mannoji
PURPOSE: Recently, it has been reported that impairment by an 8th cervical nerve root lesion can cause drop finger, namely C8 drop finger. Here, we report a clinical case series of C8 drop finger to reveal the clinical outcome of surgical treatments to allow for a better choice of treatment. METHODS: The present study included 17 consecutive patients who were diagnosed as having C8 drop finger, in which muscle strength of the extensor digitorum communis (EDC) showed a manual muscle testing (MMT) grade of 3 or less...
November 2, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27800002/single-stage-operation-for-giant-schwannoma-at-the-craniocervical-junction-with-minimal-laminectomy-a-case-report-and-literature-review
#19
Sun Yoon, Hunho Park, Kyu-Sung Lee, Seoung Woo Park, Chang-Ki Hong
Here we report a single-stage operation we performed on a patient with a large schwannoma that extended from the lower clivus to the cervico-thoracic junction caudally. A number of authors have previously performed multilevel laminectomy to remove giant schwannomas that extend for considerable length. This technique has caused cervical instability such as kyphosis or gooseneck deformity on several occasions. We removed the tumor with a left lateral suboccipital craniectomy with laminectomy only at C1 and without any subsequent surgery-related neurologic deficits...
September 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/27796189/cervical-traction-for-managing-neck-pain-a-survey-of-physical-therapists-in-the-united-states
#20
Timothy J Madson, John H Hollman
Study Design Cross-sectional survey. Background Systematic reviews provide little support for traction in managing neck pain. While traction usage among physical therapists (PTs) in other countries has been described, usage in the United States has not been examined. Objective To examine how PTs use traction for patients with neck pain, when traction is used, delivery modes and parameters, supplemental interven¬tions, and whether professional demographics influence usage. Methods We surveyed a random sample of 4000 Orthopaedic Section members of the American Physical Therapy Association...
October 30, 2016: Journal of Orthopaedic and Sports Physical Therapy
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