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https://www.readbyqxmd.com/read/28220822/pulmonary-outcomes-following-specialized-respiratory-management-for-acute-cervical-spinal-cord-injury-a-retrospective-analysis
#1
E C Zakrasek, J L Nielson, J J Kosarchuk, J D Crew, A R Ferguson, S L McKenna
STUDY DESIGN: Retrospective analysis. OBJECTIVES: To identify multivariate interactions of respiratory function that are sensitive to spinal cord injury level and pharmacological treatment to promote strategies that increase successful liberation from mechanical ventilation. SETTING: United States regional spinal cord injury (SCI) treatment center. METHODS: Retrospective chart review of patients consecutively admitted to Santa Clara Valley Medical Center between May 2013 and December 2014 for ventilator weaning with C1-C5 American Spinal Injury Association Impairment Scale (AIS) A or B SCI, <3 months from injury and who had a tracheostomy in place...
February 21, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28216519/study-of-preoperative-3d-ct-angiography-of-uterine-artery-in-patients-with-uterine-cervical-cancer
#2
Hitoshi Fujioka, Tomoyasu Kato, Miyuki Sone, Tatsuya Horita, Shunsuke Sugawara, Shinsuke Tsukagoshi
Depiction of the fine vessel can provide useful preoperative information for patients with uterine cervical cancer. Although angiography can visualize vessels in detail, it is invasive. MR-angiography is a minimally invasive method to depict vessels, but the resolution of images is insufficient for preoperative evaluation. In this study, we used less invasive three-dimensional CT angiography (3D-CTA) and reconstructed images of adaptive iterative dose resolution 3D (AIDR 3D) with display field of view (D-FOV), which are suitable for arteries with large and small diameters, and created the fusion images...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28215817/free-dermal-fat-graft-reconstruction-of-the-head-and-neck-an-alternate-reconstructive-option
#3
Adam Honeybrook, Sanjay M Athavale, Sanjeet V Rangarajan, Sarah L Rohde, James L Netterville
OBJECTIVES: Ablative procedures of the head and neck often result in significant facial and cervical irregularities and cosmetic asymmetry. The deformity resulting from ablative procedures of the head and neck is a significant source of cosmetic morbidity and postoperative dissatisfaction. Reconstruction of post-ablative defects in the head and neck can employ a broad range of techniques, ranging from primary closure to free tissue transfer. The free dermal fat graft (FDFG) is one such option and has been used to repair volume defects of varying sizes after common head and neck procedures such as parotidectomy...
January 27, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28215345/presence-of-voids-after-continuous-wave-of-condensation-and-single-cone-obturation-in-mandibular-molars-a-micro-computed-tomography-analysis
#4
Elaine Faga Iglecias, Laila Gonzales Freire, George Táccio de Miranda Candeiro, Marcelo Dos Santos, João Humberto Antoniazzi, Giulio Gavini
INTRODUCTION: The objective of this study was to assess the presence of voids in mesial root canals of mandibular molar teeth obturated by using the single-cone (SC) and continuous wave of condensation (CWC) obturation techniques, and results were analyzed by using micro-computed tomography. METHODS: Twenty-four mandibular molars with fully developed roots and mesial root curvature ranging from 25° to 35° were instrumented by using Reciproc R25 files, and then they were obturated by using the SC and CWC techniques...
February 15, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28206811/types-of-tooth-movement-bodily-or-tipping-do-not-affect-the-displacement-of-the-tooth-s-center-of-resistance-but-do-affect-the-alveolar-bone-resorption
#5
Takanobu Kondo, Hitoshi Hotokezaka, Ryo Hamanaka, Megumi Hashimoto, Takako Nakano-Tajima, Kotaro Arita, Takeshi Kurohama, Airi Ino, Jun-Ya Tominaga, Noriaki Yoshida
OBJECTIVE: To investigate how types of tooth movement, bodily or tipping, influence the displacement of the center of resistance in teeth and alveolar bone resorption. MATERIALS AND METHODS: Ten-week-old female Wistar rats were divided into eight groups of different factors, as follows: type of movement (bodily and tipping) and force magnitude (10, 25, 50, and 100 cN). The maxillary left first molars were moved mesially with nickel-titanium coil springs for 28 days...
February 16, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28203530/longitudinal-evaluation-of-cerebral-and-spinal-cord-damage-in-amyotrophic-lateral-sclerosis
#6
Milena de Albuquerque, Lucas Melo T Branco, Thiago Junqueira R Rezende, Helen Maia Tavares de Andrade, Anamarli Nucci, Marcondes Cavalcante França
OBJECTIVE: To evaluate MRI-based parameters as biomarkers of Amyotrophic Lateral Sclerosis (ALS) progression. METHODS: Twenty-seven patients and 27 controls performed two clinical and MRI acquisitions 8 months apart. ALSFRS-R scale was used to quantify disease severity at both time points. Multimodal analyses of MRI included cortical thickness measurements (FreeSurfer software), analysis of white matter integrity using diffusion-tensor imaging (tract-based spatial statistics-TBSS) and measurement of cervical spinal cord cross-sectional area (SpineSeg software)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28198973/influence-of-niti-alloy-on-the-root-canal-shaping-capabilities-of-the-protaper-universal-and-protaper-gold-rotary-instrument-systems
#7
Jussaro Alves Duque, Rodrigo Ricci Vivan, Bruno Cavalini Cavenago, Pablo Andrés Amoroso-Silva, Ricardo Affonso Bernardes, Bruno Carvalho de Vasconcelos, Marco Antonio Hungaro Duarte
Objective: This study aimed to evaluate the influence of the NiTi wire in Conventional NiTi (ProTaper Universal PTU) and Controlled Memory NiTi (ProTaper Gold PTG) instrument systems on the quality of root canal preparation. Material and Methods: Twelve mandibular molars with separate mesial canals were scanned using a high-definition microcomputed tomography system. The PTU and PTG instruments were used to shape twelve mesial canals each. The canals were scanned after preparation with F2 and F3 instruments of the PTU and PTG systems...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28190601/clinical-implementation-of-coverage-probability-planning-for-nodal-boosting-in-locally-advanced-cervical-cancer
#8
Anne Ramlov, Marianne S Assenholt, Maria F Jensen, Caroline Grønborg, Remi Nout, Markus Alber, Lars Fokdal, Kari Tanderup, Jacob Chr Lindegaard
PURPOSE: To implement coverage probability (CovP) for dose planning of simultaneous integrated boost (SIB) of pathologic lymph nodes in locally advanced cervical cancer (LACC). MATERIAL AND METHODS: CovP constraints for SIB of the pathological nodal target (PTV-N) with a central dose peak and a relaxed coverage at the perimeter were generated for use with the treatment planning system Eclipse: PTV-N D98 >90%, CTV-N D98 >100% and CTV-N D50 >101.5% of prescribed dose...
February 9, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28182829/transoral-endoscopic-thyroidectomy-vestibular-approach-toetva-from-a-to-z
#9
Gianlorenzo Dionigi, Matteo Lavazza, Alessandro Bacuzzi, Davide Inversini, Vincenzo Pappalardo, Ralph P Tufano, Hoon Yub Kim, Angkoon Anuwong
We depict the transoral endoscopic thyroidectomy vestibular approach (TOETVA). Patient selection criteria are (1) ultrasonographically (US) estimated thyroid diameter no larger than 10cm, (2) US estimated gland volume ≥45mL, (3) nodule size ≥5mm, (4) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter, (5) follicular neoplasm, and (6) papillary microcarcinoma without evidence of metastasis. TOETVA is carried out through a three-port technique placed at the oral vestibule, one 10mm port for 30° endoscope and two additional 5mm ports for dissecting and coagulating instruments...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28178980/novel-neuro-audiological-findings-and-further-evidence-for-twnk-involvement-in-perrault-syndrome
#10
Monika Ołdak, Dominika Oziębło, Agnieszka Pollak, Iwona Stępniak, Michal Lazniewski, Urszula Lechowicz, Krzysztof Kochanek, Mariusz Furmanek, Grażyna Tacikowska, Dariusz Plewczynski, Tomasz Wolak, Rafał Płoski, Henryk Skarżyński
BACKGROUND: Hearing loss and ovarian dysfunction are key features of Perrault syndrome (PRLTS) but the clinical and pathophysiological features of hearing impairment in PRLTS individuals have not been addressed. Mutations in one of five different genes HSD17B4, HARS2, LARS2, CLPP or TWNK (previous symbol C10orf2) cause the autosomal recessive disorder but they are found only in about half of the patients. METHODS: We report on two siblings with a clinical picture resembling a severe, neurological type of PRLTS...
February 8, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28168125/role-of-gamma-knife%C3%A2-radiosurgery-for-the-treatment-of-brain-metastases-from-gynecological-cancers
#11
Andrew Keller, Rahim Ismail, Peter S Potrebko, Julie Pepe, Meiling Wu, Kunal Saigal, Matthew Biagioli, Ravi Shridhar, Robert Holloway, Melvin Field, Nikhil G Rao
OBJECTIVE: Gamma Knife(®) (GK) (Elekta Instruments, Stockholm, Sweden) radiosurgery is well established for treatment of brain metastases. There are limited data on patients treated with GK from gynecological cancers. The authors sought to determine the effectiveness of the GK in patients with brain metastases from gynecological cancers. METHODS: An IRB-approved database was queried for patients with gynecologic cancers treated with GK between June 1996 and May 2016...
December 31, 2016: Curēus
https://www.readbyqxmd.com/read/28167302/characterization-of-neck-strength-in-healthy-young-adults
#12
Eva Catenaccio, Weiya Mu, Atira Kaplan, Roman Fleysher, Namhee Kim, Tamar Bachrach, Malka Zughaft Sears, Oren Jaspan, Jaclyn Caccese, Mimi Kim, Mark Wagshul, Walter F Stewart, Richard B Lipton, Michael L Lipton
BACKGROUND: The role of cervical muscle (neck) strength in traumatic brain and spine injury and chronic neck pain disorders is an area of active research. Characterization of the normal ranges of neck strength in healthy young adults is essential to designing future investigations of how strength may act as a modifier for risk and progression in head and neck disorders. OBJECTIVE: To develop a normative reference database of neck strength in a healthy young adult population; and to evaluate the relationship of neck strength to anthropometric measurements...
February 3, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28161434/deformable-image-registration-for-cervical-cancer-brachytherapy-dose-accumulation-organ-at-risk-dose-volume-histogram-parameter-reproducibility-and-anatomic-position-stability
#13
E Flower, V Do, J Sykes, C Dempsey, L Holloway, K Summerhayes, D I Thwaites
PURPOSE: The purpose of this study was to determine the effect of deformable image registration (DIR) on cumulative organ at risk dose-volume histogram (DVH) parameter summation for more than three brachytherapy fractions. The reproducibility of different methods of DIR was tested. DIR was then used to assess the stability of the anatomic position of the DVH parameters within the bladder and rectum. METHODS AND MATERIALS: DIR was completed for 39 consecutive cervical cancer brachytherapy patients' planning CTs...
February 1, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28156205/metabolite-and-functional-profile-of-patients-with-cervical-spondylotic-myelopathy
#14
Izabela Aleksanderek, Todd K Stevens, Sandy Goncalves, Robert Bartha, Neil Duggal
OBJECTIVE The goal of this study was to compare the recovery of neuronal metabolism and functional reorganization in the primary motor cortex (M1) between mild and moderate cervical spondylotic myelopathy (CSM) following surgical intervention. METHODS Twenty-eight patients with CSM underwent 3-T MRI scans that included spectroscopy and functional MRI, before surgery and 6 months postsurgery. The classification of severity was based on the modified Japanese Orthopaedic Association questionnaire. Mild and moderate myelopathy were defined by modified Japanese Orthopaedic Association scores > 12 of 18 (n = 15) and 9-12 (n = 13), respectively...
February 3, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28155582/image-derived-input-function-estimation-on-a-tof-enabled-pet-mr-for-cerebral-blood-flow-mapping
#15
Mohammad Mehdi Khalighi, Timothy W Deller, Audrey Peiwen Fan, Praveen K Gulaka, Bin Shen, Prachi Singh, Jun-Hyung Park, Frederick T Chin, Greg Zaharchuk
(15)O-H2O PET imaging is an accurate method to measure cerebral blood flow (CBF) but it requires an arterial input function (AIF). Historically, image-derived AIF estimation suffers from low temporal resolution, spill-in, and spill-over problems. Here, we optimized tracer dose on a time-of-flight PET/MR according to the acquisition-specific noise-equivalent count rate curve. An optimized dose of 850 MBq of (15)O-H2O was determined, which allowed sufficient counts to reconstruct a short time-frame PET angiogram (PETA) during the arterial phase...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28151850/distinctive-patterns-on-ct-angiography-characterize-acute-internal-carotid-artery-occlusion-subtypes
#16
Ji Man Hong, Sung Eun Lee, Seong-Joon Lee, Jin Soo Lee, Andrew M Demchuk
Noninvasive computed tomography angiography (CTA) is widely used in acute ischemic stroke, even for diagnosing various internal carotid artery (ICA) occlusion sites, which often need cerebral digital subtraction angiography (DSA) confirmation. We evaluated whether clinical outcomes vary depending on the DSA-based occlusion sites and explored correlating features on baseline CTA that predict DSA-based occlusion site.We analyzed consecutive patients with acute ICA occlusion who underwent DSA and CTA. Occlusion site was classified into cervical, cavernous, petrous, and carotid terminus segments by DSA confirmation...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28151724/impact-of-dose-escalation-and-adaptive-radiotherapy-for-cervical-cancers-on-tumour-shrinkage-a-modelling-study
#17
Marius Røthe Arnesen, Taran Hellebust, Eirik Malinen
Tumour shrinkage occurs during fractionated radiotherapy and is regulated by radiation induced cellular damage, repopulation of viable cells and clearance of dead cells. In some cases additional tumour shrinkage during external beam therapy may be beneficial, particularly for locally advanced cervical cancer where a small tumour volume may simplify and improve brachytherapy. In the current work, a mathematical tumour model is utilized to investigate how local dose escalation affects tumour shrinkage, focusing on implications for brachytherapy...
February 2, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28149809/transoral-endoscopic-thyroidectomy-via-vestibular-approach-operative-steps-and-video
#18
Gianlorenzo Dionigi, Alessandro Bacuzzi, Matteo Lavazza, Davide Inversini, Vincenzo Pappalardo, Luigi Boni, Stefano Rausei, Marcin Barczynski, Ralph P Tufano, Hoon Yub Kim, Angkoon Anuwong
In this video we describe transoral endoscopic thyroidectomy vestibular approach (TOETVA). Inclusion criteria are (I) patients who had a ultrasonographically (US) estimated thyroid diameter not larger than 10 cm; (II) US estimated gland volume ≤45 mL; (III) nodule size ≤50 mm; (IV) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter; (V) follicular neoplasm; (VI) papillary microcarcinoma without evidence of metastasis. The procedure is carried out through three-port technique placed at the oral vestibule, one 10-mm port for 30° endoscope and two additional 5-mm ports for dissecting and coagulating instruments...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28143552/abscess-of-the-cervical-spine-secondary-to-injection-site-infection-in-a-heifer
#19
Ueli Braun, Christian Gerspach, Karolin Kühn, Julia Bünter, Monika Hilbe
BACKGROUND: Abscesses in the neck region can result from infection associated with injection of drugs into the neck muscles. To our knowledge, there have been no reports of osteomyelitis of the cervical vertebra and spinal cord compression secondary to an abscess in the neck. This case report describes the findings in a 9.5-month-old heifer with an abscess of the cervical spine secondary to injection site infection. CASE PRESENTATION: The main clinical findings were swelling on the left side of the neck, proprioceptive deficits in all limbs and generalised ataxia...
January 31, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28137972/identification-of-the-upward-movement-of-human-cerebrospinal-fluid-in-vivo-and-its-relation-to-the-brain-venous-system
#20
Steffi Dreha-Kulaczewski, Arun A Joseph, Klaus-Dietmar Merboldt, Hans-Christoph Ludwig, Jutta Gärtner, Jens Frahm
: Cerebrospinal fluid (CSF) flux is involved in the pathophysiology of neurodegenerative diseases and cognitive impairment after traumatic brain injury, all hallmarked by the accumulation of cellular metabolic waste. Its effective disposal via various CSF routes has been demonstrated in animal models. In contrast, the CSF dynamics in humans are still poorly understood. Forced Inspiration has recently been identified as a main driving force of CSF flow in the human brain using novel real-time magnetic resonance imaging (MRI)...
January 30, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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