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https://www.readbyqxmd.com/read/29455300/patterns-of-oral-and-dental-care-education-and-utilization-in-head-and-neck-cancer-patients
#1
Joel B Epstein, Derek K Smith, Dana Villines, Ira Parker, Jeff Hameroff, Brian R Hill, Barbara A Murphy
PURPOSE: The purpose of this study was to examine patterns of oral health care among patients undergoing oral cancer therapy in order to better understand how oral care is being utilized, what types of providers are being utilized at various stages of cancer therapy, and assessing patients' satisfaction with the care they received at these stages. METHODS: An online survey was conducted via the Oral Cancer Foundation's support group message board. Participants were asked about their oral care immediately prior to cancer therapy, during cancer therapy, and post cancer therapy...
February 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29445116/evaluation-of-3d-heads-up-vitrectomy-outcomes-of-psychometric-skills-testing-and-surgeon-satisfaction
#2
Mario R Romano, Gilda Cennamo, Chiara Comune, Michela Cennamo, Mariantonia Ferrara, Luca Rombetto, Giovanni Cennamo
OBJECTIVES: To evaluate the use of a three-dimensional heads-up microscope (3DM) during 25-gauge pars plana vitrectomy (PPV) compared with a traditional ophthalmic microscope (TM) in terms of efficacy, safety, and teaching and learning satisfaction. METHODS: Prospective comparative interventional study. Fifty eyes affected by one of the following diseases: rhegmatogenous or tractional retinal detachment, epiretinal membrane, full-thickness macular hole, vitreous hemorrhage, or dropped lens...
February 15, 2018: Eye
https://www.readbyqxmd.com/read/29428467/impaction-force-influences-taper-trunnion-stability-in-total-hip-arthroplasty
#3
Jonathan R Danoff, Jason Longaray, Raga Rajaravivarma, Ananthkrishnan Gopalakrishnan, Antonia F Chen, William J Hozack
BACKGROUND: This study investigated the influence of femoral head impaction force, number of head strikes, the energy sequence of head strikes, and head offset on the strength of the taper-trunnion junction. METHODS: Thirty titanium-alloy trunnions were mated with 36-mm zero-offset cobalt-chromium femoral heads of corresponding taper angle. A drop tower impacted the head with 2.5J or 8.25J, resulting in 6 kN or 14 kN impaction force, respectively, in a single strike or combinations of 6 kN + 14 kN or 14 kN + 14 kN...
January 31, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29425380/the-distinguishing-motor-features-of-cataplexy-a-study-from-video-recorded-attacks
#4
Fabio Pizza, Elena Antelmi, Stefano Vandi, Stefano Meletti, Roberto Erro, Christian R Baumann, Kailash P Bhatia, Yves Dauvilliers, Mark J Edwards, Alex Iranzo, Sebastiaan Overeem, Michele Tinazzi, Rocco Liguori, Giuseppe Plazzi
Objectives: To describe the motor pattern of cataplexy and to determine its phenomenological differences from pseudocataplexy in the differential diagnosis of episodic falls. Methods: We selected 30 video recorded cataplexy and 21 pseudocataplexy attacks in 17 and 10 patients evaluated for suspected narcolepsy and with final diagnosis of narcolepsy type 1 and conversion disorder respectively, together with self-reported attacks features, and asked expert neurologists to blindly evaluate the motor features of the attacks...
February 7, 2018: Sleep
https://www.readbyqxmd.com/read/29420736/loss-of-motor-neurons-innervating-cervical-muscles-in-patients-with-multiple-system-atrophy-and-dropped-head
#5
Rie Saito, Mari Tada, Yasuko Toyoshima, Masatoyo Nishizawa, Osamu Onodera, Hitoshi Takahashi, Akiyoshi Kakita
We investigated whether loss of motor neurons innervating the neck muscles contributes to dropped head (DH) in multiple system atrophy (MSA). From 75 patients with autopsy-proven MSA, we retrieved 3 who had DH (MSA-DH), and examined the 4th cervical cord segments. Neurons of the medial and lateral nuclear groups (MNG and LNG) innervate the neck and shoulder muscles, respectively. We measured the area of individual neurons in the MNG and LNG, and created an area-frequency histogram. Neurons were classified as large or small based on their area, and their total numbers in the MNG and LNG were counted...
February 6, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29417577/a-new-solution-for-confined-unconfined-flow-towards-a-fully-penetrating-well-in-a-confined-aquifer
#6
Liang Xiao, Ming Ye, Yongxin Xu
Transient confined-unconfined flow conversion caused by pumping in a confined aquifer (i.e., piezometric head drops below the top confined layer) is complicated, partly due to different hydraulic properties between confined and unconfined regions. For understanding mechanism of the transient confined-unconfined conversion, this paper develops a new analytical solution for the transient confined-unconfined flow towards a fully penetrating well in a confined aquifer. The analytical solution is used to investigate the impacts on drawdown simulation by differences of hydraulic properties, including transmissivity, storativity and diffusivity defined as a ratio of transmissivity and storativity, between the confined and unconfined regions...
February 8, 2018: Ground Water
https://www.readbyqxmd.com/read/29413455/characterization-of-cervical-neuromuscular-response-to-head-neck-perturbation-in-active-young-adults
#7
Bara Alsalaheen, Ryan Bean, Andrea Almeida, James Eckner, Matthew Lorincz
BACKGROUND: The majority of studies examining the role of cervical muscles on head-neck kinematics focused on musculoskeletal attributes (e.g. strength). Cervical neuromuscular response to perturbation may represent a divergent construct that has not been examined under various perturbation conditions. This study examined the association between cervical musculoskeletal attributes and cervical neuromuscular response of the sternocleidomastoid (SCM) to perturbation. Furthermore, this study examined the effect of anticipation and preload on the SCM neuromuscular response...
February 2, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29405794/assessment-of-lacrimal-resistance-using-a-manometric-tear-duct-irrigation-system
#8
Ebube E Obi, Oyinkan Olurin, Peter M Mota, Zuzana Sipkova, Oana Vonica, Andrew R Pearson
Lacrimal surgery aims to provide a low-resistance tear drainage passage. An assessment of lacrimal resistance guides decisions on surgery. We present results of a modified tear duct irrigation system that reliably measures lacrimal outflow resistance. Patients in a specialist lacrimal clinic had a full work-up to the point of tear duct syringing. The tear ducts were irrigated using a manometric system, which applied a fixed, known head of fluid pressure to a lacrimal cannula. Fluid flow is recorded and the lacrimal resistance derived as fluid pressure/fluid flow (units cmH20 secml-1, for simplicity presented as drops per minute, dpm)...
February 6, 2018: Orbit
https://www.readbyqxmd.com/read/29404375/use-of-selective-serotonin-reuptake-inhibitor-and-midodrine-in-a-patient-with-autonomic-instability-2-2-compressive-squamous-cell-carcinoma-and-pain
#9
Kyle Ball, Thomas P Vacek
A rare cause of reflex syncope is metastatic cancers involving the head and neck. These can irritate the glossopharyngeal nerve and lead to glossopharyngeal neuralgia with associated syncope. This type of syncope is difficult to treat since it commonly involves both a vasodepressor and cardioinhibitory response, and typically requires removal of the irritative focus. We report a case of a 52-year-old male who presented from home with syncope. He endorsed a 5-week history of progressively worsened positional headaches and dramatic 40-pound weight loss with night sweats over 6 months...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29399314/therapeutic-and-analgesic-efficacy-of-laser-in-conjunction-with-pharmaceutical-therapy-for-trigeminal-neuralgia
#10
Hooman Ebrahimi, Shamsolmoulouk Najafi, Mina Khayamzadeh, Amirabbas Zahedi, Atossa Mahdavi
Introduction: Trigeminal neuralgia (TN) is the most common neuralgia in the head and neck region and a common cause of orofacial pain. It is routinely treated with carbamazepine. Laser, acupuncture and radiofrequency are among other treatment modalities for this condition. This study sought to assess the efficacy of laser therapy in conjunction with carbamazepine for treatment of TN. Methods: A total of 30 patients who met the inclusion criteria were divided into 2 groups of cases and controls (n=15) by double blind randomized controlled clinical trial...
2018: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29383312/pattern-of-gustatory-impairment-and-its-recovery-after-head-and-neck-irradiation
#11
Preety Negi, Pamela-Alice Kingsley, Maria Thomas, Jaineet Sachdeva, Himanshu Srivastava, Babusha Kalra
Introduction: The majority of patients receiving concurrent chemoradiotherapy frequently complain of changes in their taste perception, and other distressing symptoms affecting their quality of life. This study was undertaken to determine the pattern of gustatory impairment and its recovery in irradiated head and neck cancer patients in India. Materials and Methods: Thirty patients undergoing radical head and neck irradiation were enrolled and assessed for the four basic taste quality (sweet, salt, sour and bitter) by a forced three-choice stimulus drop technique measuring their taste recognition thresholds at baseline, weekly during radiation therapy (RT) and every month for 6 months following completion of RT...
November 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29381920/corrective-osteotomy-with-retrograde-fassier-duval-nail-in-an-osteogenesis-imperfecta-patient-with-bilateral-genu-valgum-a-case-report
#12
Tsung-Yu Lin, Chen-Yu Yang, Shih-Chia Liu
RATIONALE: The treatment of osteogenesis imperfecta (OI) requires a multidisciplinary approach to maximize function and reduce fracture incidence. The aim of this case report was to discuss an alternative surgical approach to stabilize a corrective osteotomy using the Fassier Duval (FD) system in an OI patient. PATIENT CONCERNS: A 20-year-old OI woman presented with left thigh pain, gait disturbance, and bilateral genu valgus deformities. DIAGNOSES: Physical examination and standing radiographs revealed bilateral genu valgum with previous fixation implants in the femoral and the left tibia...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29377806/sensing-passive-eye-response-to-impact-induced-head-acceleration-using-mems-imus
#13
Yuan Meng, Brent Bottenfield, Mark Bolding, Lei Liu, Mark L Adams
The eye may act as a surrogate for the brain in response to head acceleration during an impact. Passive eye movements in a dynamic system are sensed by microelectromechanical systems (MEMS) inertial measurement units (IMU) in this paper. The technique is validated using a three-dimensional printed scaled human skull model and on human volunteers by performing drop-and-impact experiments with ribbon-style flexible printed circuit board IMUs inserted in the eyes and reference IMUs on the heads. Data are captured by a microcontroller unit and processed using data fusion...
February 2018: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/29373167/do-high-sound-pressure-levels-of-crowing-in-roosters-necessitate-passive-mechanisms-for-protection-against-self-vocalization
#14
Raf Claes, Pieter G G Muyshondt, Joris J J Dirckx, Peter Aerts
High sound pressure levels (>120dB) cause damage or death of the hair cells of the inner ear, hence causing hearing loss. Vocalization differences are present between hens and roosters. Crowing in roosters is reported to produce sound pressure levels of 100dB measured at a distance of 1m. In this study we measured the sound pressure levels that exist at the entrance of the outer ear canal. We hypothesize that roosters may benefit from a passive protective mechanism while hens do not require such a mechanism...
December 24, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/29345019/a-vascular-mechanism-to-explain-thermally-mediated-variations-in-deep-body-cooling-rates-during-the-immersion-of-profoundly-hyperthermic-individuals
#15
Joanne N Caldwell, Anne M J van den Heuvel, Pete Kerry, Mitchell J Clark, Gregory E Peoples, Nigel A S Taylor
Physiologically trivial time differences for cooling the intrathoracic viscera of hyperthermic individuals have been reported between cold- and temperate-water immersion treatments. One explanation for that observation is reduced convective heat delivery to the skin during cold immersion, and this experiment was designed to test both the validity of that observation, and its underlying hypothesis. Eight healthy males participated in four head-out, water immersions: two when normothermic, and two following exercise-induced, moderate-profound hyperthermia...
January 18, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29318991/in-vitro-investigation-of-the-pediculicidal-activities-of-the-volatile-oil-components-of-some-medical-plants-raised-in-turkey
#16
M Emin Limoncu, Cüneyt Balcıoğlu, Tuğba Oyur, Gizem Zeybek, Ulvi Zeybek
OBJECTIVE: The human head louse Pediculus capitis has recently acquired resistance to commercially available insecticides, which has expanded the search concerning the pediculicidal activities of some herbal products. The present study aimed to assess the in vitro pediculicidal activities of volatile oils extracted from 10 medical plants raised in Turkey: Rosa damascena (red provins rose), Pelargonium graveolens (geranium), Lavandula angustifolia (lavender), Salvia triloba (salvia), Rosmarinus officinalis (rosemary; two different chemotypes), Citrus bergamia (citrus tree), Cymbopogon nardus (citronella), Citrus limonum (lemon), and Cymbopogon flexuosus (lemongrass)...
December 2017: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29298858/in-vitro-measurement-of-the-permeability-of-endovascular-coils-deployed-in-cerebral-aneurysms
#17
Chander Sadasivan, Erica Swartwout, Ari D Kappel, Henry H Woo, David J Fiorella, Barry B Lieber
BACKGROUND AND PURPOSE: Aneurysm recurrence is the primary limitation of endovascular coiling treatment for cerebral aneurysms. Coiling is currently quantified by a volumetric porosity measure called packing density (pd). Blood flow through a coil mass depends on the permeability of the coil mass, and not just its pd. The permeability of coil masses has not yet been quantified. Here we measure coil permeability with a traditional falling-head permeameter modified to incorporate idealized aneurysms...
January 3, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29291292/peroneal-nerve-decompression
#18
Mark Corriveau, Jacob D Lescher, Amgad S Hanna
Peroneal neuropathy is a common pathology encountered by neurosurgeons. Symptoms include pain, numbness, and foot drop. When secondary to compression of the nerve at the fibular head, peroneal (fibular) nerve release is a low-risk procedure that can provide excellent results with pain relief and return of function. In this video, the authors highlight key operative techniques to ensure adequate decompression of the nerve while protecting the 3 major branches, including the superficial peroneal nerve, deep peroneal nerve, and recurrent genicular (articular) branches...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29290499/in-vitro-simulation-of-fretting-corrosion-in-hip-implant-modular-junctions-the-influence-of-ph
#19
Dmitry Royhman, Megha Patel, Joshua J Jacobs, Markus A Wimmer, Nadim J Hallab, Mathew T Mathew
BACKGROUND: The fretting-corrosion behavior of mixed metal contacts is affected by various mechanical and electrochemical parameters. Crevice conditions at the junction and patient-specific pathologies can affect the pH of the prosthetic environment. The main objective of this study is to understand the effect of pH variation at the stem/head junction of the hip implant under fretting corrosion exposure. We hypothesized that pH will have a significant influence on the fretting-corrosion behavior hip implant modular junctions...
December 28, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29237489/self-expanding-nitinol-stents-of-high-versus-low-chronic-outward-force-in-de-novo-femoropopliteal-occlusive-arterial-lesions-bioflex-cof-trial-study-protocol-for-a-randomized-controlled-trial
#20
Alexander Wressnegger, Alexandra Kaider, Martin A Funovics
BACKGROUND: Self-expanding nitinol stents must be oversized at least by a minimal amount to ensure contact with the vessel wall and prevent migration. Once the stent is deployed it exerts a continuous force upon the vascular wall, termed chronic outward force (COF). Animal studies have found an increased neointimal hyperplasia in stents with high oversizing and thus high COF. Data about correlation between COF and neointimal hyperplasia in humans are currently lacking. The objective of the BIOFLEX-COF trial is to prospectively investigate differences in formation of intimal hyperplasia at 1 and 2 years after implantation of nitinol stents with high versus low COF in de novo femoropopliteal occlusive arterial lesions...
December 14, 2017: Trials
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