Thematische Bibliographien / CuFFT

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Auswahl der wissenschaftlichen Literatur zum Thema „CuFFT“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 5. Februar 2022

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Zeitschriftenartikel zum Thema "CuFFT"

Prigarin, Vladimir, Dmitry Karavaev und Viktor Protasov. „The cuFFT code for N-body simulation“. Journal of Physics: Conference Series 1336 (November 2019): 012023. http://dx.doi.org/10.1088/1742-6596/1336/1/012023.

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Rosenberg, Duane, Pablo D. Mininni, Raghu Reddy und Annick Pouquet. „GPU Parallelization of a Hybrid Pseudospectral Geophysical Turbulence Framework Using CUDA“. Atmosphere 11, Nr. 2 (08.02.2020): 178. http://dx.doi.org/10.3390/atmos11020178.

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An existing hybrid MPI-OpenMP scheme is augmented with a CUDA-based fine grain parallelization approach for multidimensional distributed Fourier transforms, in a well-characterized pseudospectral fluid turbulence code. Basics of the hybrid scheme are reviewed, and heuristics provided to show a potential benefit of the CUDA implementation. The method draws heavily on the CUDA runtime library to handle memory management and on the cuFFT library for computing local FFTs. The manner in which the interfaces to these libraries are constructed, and ISO bindings utilized to facilitate platform portability, are discussed. CUDA streams are implemented to overlap data transfer with cuFFT computation. Testing with a baseline solver demonstrated significant aggregate speed-up over the hybrid MPI-OpenMP solver by offloading to GPUs on an NVLink-based test system. While the batch streamed approach provided little benefit with NVLink, we saw a performance gain of 30 % when tuned for the optimal number of streams on a PCIe-based system. It was found that strong GPU scaling is nearly ideal, in all cases. Profiling of the CUDA kernels shows that the transform computation achieves 15% of the attainable peak FlOp-rate based on a roofline model for the system. In addition to speed-up measurements for the fiducial solver, we also considered several other solvers with different numbers of transform operations and found that aggregate speed-ups are nearly constant for all solvers.

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Chilingaryan, Suren, Andrei Shkarin, Roman Shkarin, Matthias Vogelgesang und Sergey Tsapko. „Benchmark for FFT Libraries“. Applied Mechanics and Materials 756 (April 2015): 673–77. http://dx.doi.org/10.4028/www.scientific.net/amm.756.673.

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There are various vendors of FFT libraries, but there is no software available for it automatic benchmarking on all available devices. In this article an application that allows easy measure the performance and precision of various FFT libraries on the available GPUs and CPUs is presented. This application has been used to find out the fastest FFT library for NVIDIA GTX TESLA and NVIDIA GTX TITAN. The obtained results shown that the best implementation is provided by cuFFT library developed by NVIDIA.

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Galletti, Ardelio, Livia Marcellino, Raffaele Montella, Vincenzo Santopietro und Sokol Kosta. „A virtualized software based on the NVIDIA cuFFT library for image denoising: performance analysis“. Procedia Computer Science 113 (2017): 496–501. http://dx.doi.org/10.1016/j.procs.2017.08.310.

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Feng, Chunsheng, Shi Shu, Jinchao Xu und Chen-Song Zhang. „Numerical Study of Geometric Multigrid Methods on CPU-GPU Heterogeneous Computers“. Advances in Applied Mathematics and Mechanics 6, Nr. 01 (Februar 2014): 1–23. http://dx.doi.org/10.4208/aamm.2013.m87.

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AbstractThe geometric multigrid method (GMG) is one of the most efficient solving techniques for discrete algebraic systems arising from elliptic partial differential equations. GMG utilizes a hierarchy of grids or discretizations and reduces the error at a number of frequencies simultaneously. Graphics processing units (GPUs) have recently burst onto the scientific computing scene as a technology that has yielded substantial performance and energy-efficiency improvements. A central challenge in implementing GMG on GPUs, though, is that computational work on coarse levels cannot fully utilize the capacity of a GPU. In this work, we perform numerical studies of GMG on CPU-GPU heterogeneous computers. Furthermore, we compare our implementation with an efficient CPU implementation of GMG and with the most popular fast Poisson solver, Fast Fourier Transform, in the cuFFT library developed by NVIDIA.

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Ganapathy, Aravindh S., Myron S. Powell und James L. Pirkle. „Extrusion of both Superficial and Deep Cuffs of a Functional Double-Cuff Peritoneal Dialysis Catheter after Significant Weight Loss“. Case Reports in Nephrology and Dialysis 11, Nr. 2 (09.07.2021): 190–94. http://dx.doi.org/10.1159/000515049.

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Extrusion of the superficial cuff of a peritoneal dialysis (PD) catheter is an uncommon complication that may be associated with infection or malfunction. However, extrusion of both the superficial and deep cuffs of a double-cuff catheter is rare and uniformly associated with failure and peritonitis. We report a case of a presternal-type PD double-cuff catheter with extrusion of both cuffs through an abdominal exit site after 6 years of use that has remained functional, which has not been previously reported. In this case, the patient had achieved a 60-kg weight loss resulting in retraction of the subcutaneous tissue around both cuffs, while the catheter was held in place by the titanium connector between the presternal extension tubing and the inner, coiled catheter. In such special circumstances, extrusion of both cuffs may not necessitate urgent catheter removal. A review of the literature revealed previous cases of superficial cuff extrusions with catheters remaining functional but not with deep cuff extrusion.

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Komasawa, Nobuyasu, Ryosuke Mihara, Kentaro Imagawa, Kazuo Hattori und Toshiaki Minami. „Comparison of Pressure Changes by Head and Neck Position between High-Volume Low-Pressure and Taper-Shaped Cuffs: A Randomized Controlled Trial“. BioMed Research International 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/386080.

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The present study compared changes in cuff pressure by head and neck position between high-volume low-pressure (HVLP) and taper-shaped (taper) cuffs in a prospective randomized clinical trial.Methods. Forty patients were intubated using tracheal tubes with either HVLP (n=20; HVLP group) or taper-shaped (n=20; Taper group) cuffs. Initial cuff pressure was adjusted to 15, 20, or 25 cmH2O in the neutral position. Cuff pressure was evaluated after changing the head and neck positions to flexion, extension, and rotation.Results. Cuff pressure significantly increased with flexion in both HVLP and Taper groups at all initial cuff pressures. It significantly increased with extension in the HVLP group, but not in the Taper group. Cuff pressure did not significantly differ with rotation in either group and was significantly smaller in the Taper group during flexion and extension than in the HVLP group, regardless of initial cuff pressure.Conclusion. Cuff pressure changes with head and neck flexion and extension were smaller in the Taper group than in the HVLP group. Our results highlight the potential for taper cuffs to prevent excessive cuff pressure increases with positional changes in the head and neck. This trial is registered withUMIN000016119.

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Younger, Alastair S. E., Timothy P. Kalla, James A. McEwen und Kevin Inkpen. „Survey of Tourniquet Use in Orthopaedic Foot and Ankle Surgery“. Foot & Ankle International 26, Nr. 3 (März 2005): 208–17. http://dx.doi.org/10.1177/107110070502600305.

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Background: Tourniquet technique varies among foot and ankle surgeons, and to establish a standard practice guideline the current standard of care should be examined. Methods: One hundred and forty responses were received after 253 surveys were mailed to American Orthopaedic Foot and Ankle Society (AOFAS) members, concerning type of tourniquets, location, and pressures used. Results: Cuff pressures most commonly used were 301 to 350 mmHg for thigh cuffs (49% of thigh cuff users) and 201 to 250 mmHG for calf and ankle cuffs (52% of calf cuff users, 66% of ankle cuff users). A substantial number of foot and ankle surgeons who use calf and ankle cuffs frequently use pressures above 250 mmHg (41% of calf cuff users, 19% of ankle cuff users). Only 9% use limb occlusion pressure when determining cuff pressure. Conclusion: Based on the existing evidence-based literature these pressures may be higher than necessary for many patients, and increased adoption of optimal pressure setting techniques as reported in the literature may help reduce tourniquet pressures used and risk of tourniquet injury. Respondents reported experiencing or hearing reports of breakthrough bleeding, nerve injury, and skin injuries under the cuff.

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Naqvi, Shenela, Muhammad Dawood Husain, Prasad Potluri, Parthasarathi Mandal und Philip Lewis. „Pressure distribution under different types of blood pressure measurement cuffs“. Journal of Industrial Textiles 47, Nr. 1 (16.03.2016): 89–103. http://dx.doi.org/10.1177/1528083716637868.

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The principal component of any non-invasive blood pressure measurement system is an inflatable cuff. Different types of fabrics are used for inflatable cuffs construction. In this study, sphygmomanometric blood pressure measurement using inflatable cuffs was simulated in Abaqus and validated through experimental results. The purpose of the simulation is to study the effect of variation in cuff fabric geometric and mechanical properties on pressure distribution and pressure transmission during blood pressure measurement by predicting the pressure at the interface of the blood pressure cuffs and a metal cylinder. Geometric and mechanical properties of the fabrics of four different cuff types were found experimentally. Interface pressure at the cuffs and metal cylinder surface was also found experimentally using Tekscan pressure sensing system for models validation. The results of the simulation showed that the interface pressure underneath the cuffs vary with variation in geometric and mechanical properties of their fabrics. The results of the simulation were found to be in good agreement with experimental findings. This research demonstrates that the pressure distribution under the cuffs is related to the cuffs' fabric geometric and mechanical properties. This means that variation in cuffs' fabric properties could ultimately incur variations in the blood pressure values of human subjects.

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Navarro, Lais Helena Camacho, José Reinaldo Cerqueira Braz, Giane Nakamura, Rodrigo Moreira e. Lima, Fredson de Paula e. Silva und Norma Sueli Pinheiro Módolo. „Effectiveness and safety of endotracheal tube cuffs filled with air versus filled with alkalinized lidocaine: a randomized clinical trial“. Sao Paulo Medical Journal 125, Nr. 6 (November 2007): 322–28. http://dx.doi.org/10.1590/s1516-31802007000600004.

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CONTEXT AND OBJECTIVE: High intracuff pressure in endotracheal tubes (ETs) may cause tracheal lesions. The aim of this study was to evaluate the effectiveness and safety of endotracheal tube cuffs filled with air or with alkalinized lidocaine. DESIGN AND SETTING: This was a prospective clinical study at the Department of Anesthesiology, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista. METHODS: Among 50 patients, ET cuff pressures were recorded before, 30, 60, 90 and 120 minutes after starting and upon ending nitrous oxide anesthesia. The patients were randomly allocated to two groups: Air, with ET cuff inflated with air to attain a cuff pressure of 20 cmH2O; and Lido, with ET cuff filled with 2% lidocaine plus 8.4% sodium bicarbonate to attain the same pressure. ET discomfort before tracheal extubation, and sore throat, hoarseness and coughing incidence were studied at the time of discharge from the post-anesthesia care unit, and sore throat and hoarseness were studied 24 hours after anesthesia. RESULTS: Pressures in Lido cuffs were significantly lower than in Air cuffs (p < 0.05). Tracheal complaints were similar for the two groups, except for lower ET discomfort and sore throat incidence after 24 hours and lower systolic arterial pressure at the time of extubation in the Lido group (p < 0.05). CONCLUSION: ET cuffs filled with alkalinized lidocaine prevented the occurrence of high cuff pressures during N2O anesthesia and reduced ET discomfort and postoperative sore throat incidence. Thus, alkalinized lidocaine-filled ET cuffs seem to be safer than conventional air-filled ET cuffs.

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Dissertationen zum Thema "CuFFT"

Stodůlka, Martin. „Akcelerace ultrazvukových simulací pomocí multi-GPU systémů“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445538.

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The main focus of this project is usage of multi - GPU systems and usage of CUDA unified memory . Its goal is to accelerate computation of 2D and 3D FFT, which is the main part of simulations in k- Wave library .K- Wave is a C++/ Matlab library used for simulations of propagation of ultrasonic waves in 1D , 2D or 3D space . Acceleration of these functions is necessary , because the simulations are computationally intensive .

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Dean, Benjamin J. F. „The role of glutamate in rotator cuff tendinopathy : glutamate in rotator cuff tendinopathy“. Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:8f590630-b52f-4b32-a1c1-9914dbd694f3.

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Thesis questions: • Is the glutaminergic system altered in rotator cuff tendinopathy? • Is the glutaminergic system altered by common treatments? • Are glutaminergic changes related to pain symptoms? • What are the effects of glutamate and glutamate receptor modulation on tendon derived cells? Summary answers: • The glutaminergic system is altered in rotator cuff tendinopathy • Changes within this system are seen after common treatments • Specific glutaminergic changes are associated with the resolution of pain following shoulder surgery but do not predict the severity of pain symptoms • Glutamate has significant effects on tendon derived cells. What is known: It is known that extracellular glutamate concentrations are increased in both Achilles and patellar tendinopathy. It has also been previously shown that the glutamate receptors NMDAR1 and mGluR5 are upregulated in patellar tendinopathy. What this thesis adds: This thesis has shown for the first time that glutamate and NMDAR1 are increased in rotator cuff tendinopathy. Increases in cell proliferation, vascularity and HIF1α are seen after surgical rotator cuff repair and these features are not seen after glucocorticoid injection. There are significant differences between painful and pain-free rotator cuff tendons in terms of glutamate receptor expression (KA1, mGluR7 and mGluR2) and inflammatory cell numbers (CD45 and CD206). Exposure to 1.875mM glutamate for 72 hours results in reduced cell viability, decreased collagen (COL1A1 and COL3A1) and increased aggrecan gene expression; NMDAR antagonism with MK-801 attenuates the deleterious effect on cell viability but had no effect on the changes in matrix gene expression. Bias, confounding and other reasons for caution: The observational histological work was limited by the control tissue. Some control tissue was not age matched, while some of the pain-free control tendons were post-surgical intervention. Confounding factors include tendon structure, length of symptoms and previous treatments. Caution must be applied when discussing the in vivo implications of the in vitro work.

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Wu, Bing. „Pathology of rotator cuff tendonopathy“. University of Western Australia. Centre for Orthopaedic Research, 2009. http://theses.library.uwa.edu.au/adt-WU2010.0032.

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Tendonopathy, resulting in the loss of mechanical strength of a tendon, is a serious health problem affecting many people. The common symptom of tendonopathy is pain patients' daily activities, their participation in sport and exercise, and their ability to work are greatly compromised. Tendonopathy is considered to be a degenerative disorder caused by repetitive injury of the tendon. The most common tendon lesions are Achilles tendon rupture, lateral epicondylitis (tennis elbow) and rotator cuff tear. However, in spite of its clinical significance, our knowledge about tendonopathy is still very poor. This research was undertaken to investigate the pathology of tendonopathy. It is proposed that apoptosis, autophagic cell death and myofibroblasts play a role in the progression of tendonopathy in the rotator cuff; the aim of this study was therefore to determine if this was indeed the case. Tendon tissues were collected from 30 patients suffering from rotator cuff tears. A terminal deoxynucleotidyl transferase biotin-dUTP nick end labelling (TUNEL assay) was performed to detect apoptosis. Autophagic cell death of the tenocytes in the ruptured rotator cuff tendon was detected by immunohistochemical staining for ubiquitin. Myofibroblasts were identified immunohistochemically with anti-alpha-smooth muscle actin (anti--SMA) antibody. The distribution of apoptosis, autophagic cell death and myofibroblasts, as well as the total cell density, were assessed respectively and were correlated using a four-category (i.e. graded from 0-3) degeneration of collagen matrix. 6 The results showed that apoptosis, autophagic cell death and myofibroblasts were observed in all of the samples. The highest percentage of autophagic cell death was evidenced in the Grade 2 matrix, while the percentage of apoptosis increased significantly with the increase of matrix degeneration from Grade 0-3; a similar pattern was found for myofibroblasts. The total cell numbers varied among the matrix grades, with the maximum and minimum percentages occurring in Grades 1 and 3, respectively. It can be concluded that apoptosis, autophagic cell death and myofibroblasts might be closely related to the damage of the extracellular matrix (ECM) structure.

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Karthikeyan, Shanmugam. „Management of rotator cuff pathology“. Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/89698/.

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The rotator cuff refers to a group of four muscles, which arise from the scapula and insert into the head of humerus forming a cuff around the shoulder joint. They contribute to shoulder movements and provide dynamic stability at the shoulder joint. Pathology of the rotator cuff is the commonest cause for shoulder pain and its severity can vary from subacromial impingement to full thickness tears. NSAIDs and corticosteroids are two of the commonest group of drugs used in treating subacromial impingement syndrome but with conflicting evidence about their relative efficacy and risk of complications. I explored the efficacy of a subacromial NSAID (Tenoxicam) injection in a double blind randomised controlled trial but found it to be less effective compared to a subacromial corticosteroid injection as measured by functional shoulder scores at six weeks. During the trial, I recognised that there were unresolved challenges in using Ultrasonography to diagnose rotator cuff pathology especially in differentiating between partial and full thickness tears. In this thesis, I have presented the normal ultrasound dimensions of the rotator cuff in asymptomatic young adults under the age of forty years, which has not been documented before. The study showed that the measurements are significantly different between men and women but not between dominant and non-dominant arms, suggesting that in every individual the contralateral shoulder can be used as a control, especially where the diagnosis is uncertain. Exploration of factors associated with the pathogenesis of rotator cuff tendinopathy showed that a critical zone of hypoperfusion in the supraspinatus tendon could be a factor but the evidence for it has been contradictory. An observational study presented in this thesis describes the microvascular blood flow in normal and a spectrum of pathological rotator cuffs (subacromial impingement, partial thickness tears and full thickness tears) using Laser Doppler Flowmetry in patients undergoing arthroscopic shoulder surgery. The study showed variations in microvascular blood flow in normal rotator cuffs but no evidence of a “critical zone”. Blood flow was found to be significantly lower in all groups of pathological rotator cuffs.

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Gupta, Miti. „Obesity and Rotator Cuff Tendonitis“. The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1213285329.

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Benson, Richard. „The pathology of rotator cuff failure“. Thesis, University of London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589763.

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Abstract The thesis has two aims. Firstly, to gain a greater understanding of the intrinsic mechanisms involved in rotator cuff pathology and its progression. Secondly, to investigate how outcome after operative intervention may be influenced by the macroscopic and microscopic appearance of the rotator cuff. It has been hypothesis that rotator cuff disease is part of a continuum from impingement, through partial thickness tear and leading to massive rotator cuff tears. The thesis uses this hypothesis to create a model of the stages of rotator cuff failure using the macroscopic appearance of the rotator cuff. Biopsies were taken from in vivo human rotator cuffs at different stages of the model, and investigated for evidence of a pathological failure cascade. Initially hypoxia and apoptosis were investigated as both had been previously identified as important factors in rotator cuff disease aetiology. Biopsies were analysed using immunhistochemical techniques: TUNEL (a marker for apoptosis) and BNIP-3 (a marker for hypoxia). Both demonstrated increased expression with worsening rotator cuff disease. Therefore, apoptosis appears to increase as the disease progresses and a hypoxic mechanism is implicated. A second study analysed the healing response of the rotator cuff using markers of tendon healing, VEGF( a marker of vascular remodelling) and TSG-6 (a marker of inflammation). They showed evidence of a reduced healing response in large and massive tear groups compared with controls and tendon in earlier disease. In a third clinical study, patients without full thickness tears undergoing subacromial decompression were followed up with Oxford Shoulder Score and the predictive value of the macroscopic and microscopic appearances of the bursa, coracoacromial arch and rotator cuff tendons were assessed. Biopsy samples of bursa and coracoacromial ligament were analysed using basic histological and immunohistochemical techniques. All patients showed statistically significant improvement in OSS but patients with partial tears and hooked acromion did significantly worse. The microscopic appearance did not predict outcome.

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Matthews, Timothy. „Cellular responses in rotator cuff tears“. Thesis, Queen Mary, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.498371.

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Littlewood, Chris. „Self-managed exercise for rotator cuff tendinopathy“. Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/6643/.

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Gillespie, William J. „A comparison of golf swing kinematics among non-injured, rotator cuff injury-repaired, and rotator cuff injury-non-repaired golfers“. Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ32115.pdf.

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Björnsson, Hallgren Hanna Cecilia. „Treatment of subacromial pain and rotator cuff tears“. Doctoral thesis, Linköpings universitet, Ortopedi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-82094.

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Shoulder pain is very common, affecting 14-21 % of the population at some time during their lifetime. The aims of this thesis were to improve the understanding of various aspects concerning the pathogenesis and treatment of subacromial pain and rotator cuff tears. Patients and healthy individuals were examined and compared in five studies: Study I) Seventy patients were retrospectively examined, clinically and with ultrasound, 15 years after arthroscopic subacromial decompression. All patients had an intact rotator cuff at surgery. Ultrasound showed significantly fewer rotator cuff tears compared to the prevalence of asymptomatic tears reported in the literature for the same age group. This indicates that arthroscopic subacromial decompression might protect the rotator cuff. Study II) Forty-two patients were retrospectively examined, clinically and with ultrasound, 39 months (mean) after an acute rotator cuff repair. All patients had pseudoparalysis after trauma, a full thickness tear and no previous history of shoulder symptoms. A delay in surgical treatment of three months and the number of tendons injured did not affect the outcome. Age affected outcome negatively. Study III) Plasma samples from 17 patients with cuff tears and 16 plasma samples from healthy age- and gender-matched controls were collected and analysed regarding the levels of matrix metalloproteinases and their inhibitors, TIMP1-4. Elevated levels of TIMP-1 were found in the patients with cuff tears compared to controls. Higher levels of TIMP-1, TIMP-3 and MMP-9 were found in patients with full-thickness tears compared to patients with partial-thickness tears. Study IV) Ninety-seven patients with longstanding subacromial pain, on the waiting-list for arthroscopic subacromial decompression, were prospectively randomised to specific shoulder exercises or control exercises for three months. Thereafter they were clinically examined and asked if they still wanted surgery. The specific shoulder exercises focusing on eccentric exercise for the rotator cuff and scapula stabilisers were found to be effective in reducing subacromial pain and improving shoulder function, thereby reducing the need for surgery. Study V) All patients including those operated, in Study IV were re-examined after one year using clinical assessment scores. The option of surgery was continuously available up to the one-year follow-up. Ultrasound and radiological examinations performed at inclusion were analysed in relation to the choice of surgery. The positive effects of the specific exercise programme were maintained after one year and significantly fewer patients in this group chose surgery. Surgery was significantly more often chosen by patients who had a low baseline shoulder score, and/or a full thickness rotator cuff tear. All patients showed significant improvement in the clinical scores one year after inclusion or one year after surgery. These results support the concept that subacromial pain has a multifactorial aetiology and that the first line of treatment should be specific shoulder exercises. When conservative treatment fails, an acceptable result can be achieved with arthroscopic subacromial decompression. The rotator cuff status is important to consider when treating and studying these patients.

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Bücher zum Thema "CuFFT"

Cocek, Christina. Stiff cuffs. Boston (100 Chauncy St., Boston 02111): Baker's Plays, 1994.

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Diamond, Arthur. Paul Cuffe. New York: Chelsea House Publishers, 1989.

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Knight, D. Van. Friend Cuff. [Madison, N.C.] (250 Allknight Dr., Madison): [Knight Graphics, 1993.

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1939-, Nissenson Marilyn, Hrsg. Cuff links. New York: H.N. Abrams, 1991.

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Rotator cuff tear. Basel: Karger, 2011.

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Guggemos, Cynthia. A cuff above. Little Rock, Ark: Leisure Arts, Inc., 2009.

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A cuff above. Little Rock, Ark: Leisure Arts, Inc., 2009.

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Gumina, Stefano, Hrsg. Rotator Cuff Tear. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-33355-7.

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McMahon, Patrick J., Hrsg. Rotator Cuff Injuries. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-63668-9.

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-Uff as in cuff. Edina, Minn: SandCastle, 2003.

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Buchteile zum Thema "CuFFT"

Nimura, Akimoto, Keiichi Akita und Hiroyuki Sugaya. „Rotator Cuff“. In Normal and Pathological Anatomy of the Shoulder, 199–205. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45719-1_20.

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Buchmann, Stefan. „Cuff Disorders“. In Strategies in Fracture Treatments, 69–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20300-3_11.

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Evans, Richard O., Peter J. Hughes und David H. Sonnabend. „Rotator Cuff“. In Repair and Regeneration of Ligaments, Tendons, and Joint Capsule, 143–57. Totowa, NJ: Humana Press, 2006. http://dx.doi.org/10.1385/1-59259-942-7:143.

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Llopis, Eva, Alexeys Perez und Luis Cerezal. „Rotator Cuff“. In IDKD Springer Series, 11–21. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71281-5_2.

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AbstractShoulder pain accounts for 16% of the musculoskeletal complaints and represents an important cause of absenteeism of work. Abnormalities of the rotator cuff, including tears, are frequently seen on imaging studies. Unfortunately, asymptomatic tears are frequent, up to 60% in patients older than 60 years old; therefore clinical correlation is essential.New anatomical concepts and new surgical techniques have evolved within the entire spectrum of lesions. It is essential to be aware of the information that is important for the decision-making as this information should stand out in our reports.In this course we will therefore review the different rotator cuff tears and its differential diagnosis.

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Longo, Umile Giuseppe, Alessandra Berton, Nicola Papapietro, Nicola Maffulli und Vincenzo Denaro. „Epidemiology, Genetics and Biological Factors of Rotator Cuff Tears“. In Rotator Cuff Tear, 1–9. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328868.

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Longo, Umile Giuseppe, Alessandra Berton, Nicola Papapietro, Nicola Maffulli und Vincenzo Denaro. „Biomechanics of the Rotator Cuff: European Perspective“. In Rotator Cuff Tear, 10–17. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328870.

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Karas, Vasili, Brian J. Cole und Vincent M. Wang. „Role of Biomechanics in Rotator Cuff Pathology: North American Perspective“. In Rotator Cuff Tear, 18–26. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328871.

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Porcellini, Giuseppe, Francesco Caranzano, Fabrizio Campi und Paolo Paladini. „Instability and Rotator Cuff Tear“. In Rotator Cuff Tear, 41–52. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328876.

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Kibler, W. Ben. „The Scapula in Rotator Cuff Disease“. In Rotator Cuff Tear, 27–40. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328877.

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Oliva, Francesco, Stefano Gatti, Giuseppe Porcellini, Nicholas R. Forsyth und Nicola Maffulli. „Growth Factors and Tendon Healing“. In Rotator Cuff Tear, 53–64. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000328878.

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Konferenzberichte zum Thema "CuFFT"

Střelák, David, und Jiří Filipovič. „Performance analysis and autotuning setup of the cuFFT library“. In the 2nd Workshop. New York, New York, USA: ACM Press, 2018. http://dx.doi.org/10.1145/3295816.3295817.

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Jodra, Jose Luis, Ibai Gurrutxaga und Javier Muguerza. „A Study of Memory Consumption and Execution Performance of the cuFFT Library“. In 2015 10th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC). IEEE, 2015. http://dx.doi.org/10.1109/3pgcic.2015.66.

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Tanaka, Yohsuke, Hiroki Matsushi und Shigeru Murata. „Phase Retrieval Holography for Particle Measurement With GPU Acceleration“. In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5204.

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Abstract We introduce a graphics processing unit (GPU) acceleration to reconstructing holograms of phase retrieval holography for a drastic reduction of the execution time. We conducted GPU acceleration using the FFT library CUFFT on the GPU chip (GEFORCE GTX 1050, GDDR5 2GB, NVIDIA). We also used Intel Xeon CPU (E5-2690, 2.90GHz, Intel), the memory of 24 GB, and the operating system of Ubuntu 16.04 to compare GPU and CPU. Reconstructed volumes changed from 2562 × 128 voxels to 20482 × 1024 voxel to compare execution times. The ratio of the time of GPU to that of CPUs is constantly higher than 100 times except for small volume. We also demonstrated that GPU acceleration decreased the time by observing falling particles, recorded in 40 frames, from particle feeder. As a result, it is found that the execution time is reduced from 13 hours to 30 minutes.

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J. Hasbestan, Jaber, und Inanc Senocak. „PittPack: Open-Source FFT-Based Poisson’s Equation Solver for Computing With Accelerators“. In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87697.

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Many environmental flows are simulated in a Cartesian domain using buoyancy-driven incompressible Navier-Stokes equations. A significant cost of the simulation is devoted to the solution of the elliptic pressure equation to enforce the conservation of mass principle. The legacy software, FISHPACK, has been used for this purpose for many years. We present a new software package for the direct solution of the pressure Poisson’s equation on a directionally uniform Cartesian mesh with a second-order accurate finite-difference formulation. We use the separation of variables principle and adopt fast Fourier transforms (FFT) to convert the system to a group of independent tridiagonal systems that can be solved directly. The computational complexity of the present methodology is proportional to N2 (O(NlogN)). However, each stage of the solution algorithm can be performed simultaneously leading to a pleasingly parallel problem that is well suited for massively-threaded accelerators, such as modern graphics processing units (GPU). Theoretically speaking, if an accelerator can sustain N2 resident threads, the computational complexity will drop to O(NlogN). We use OpenACC directives with cuFFT library on a GPU to realize substantial acceleration of the overall solution algorithm and compare its performance relative to an implementation that used the FFTW library on central processing units (CPU). For a problem with 5123 points, the GPU version is about 17 × faster than the CPU version.

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Agrawal, Sunil K., Venketesh N. Dubey, John J. Gangloff, Elizabeth Brackbill und Vivek Sangwan. „Optimization and Design of a Cable Driven Upper Arm Exoskeleton“. In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86516.

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This paper presents the design of a wearable upper arm exoskeleton that can be used to assist and train arm movements of stroke survivors or subjects with weak musculature. In the last ten years, a number of upper-arm training devices have emerged. However, due to their size and weight, their use is restricted to clinics and research laboratories. Our proposed wearable exoskeleton builds upon our extensive research experience in wire driven manipulators and design of rehabilitative systems. The exoskeleton consists of three main parts: (i) an inverted U-shaped cuff that rests on the shoulder, (ii) a cuff on the upper arm, and (iii) a cuff on the forearm. Six motors, mounted on the shoulder cuff, drive the cuffs on the upper arm and forearm, using cables. In order to assess the performance of this exoskeleton, prior to use on humans, a laboratory test-bed has been developed where this exoskeleton is mounted on a model skeleton, instrumented with sensors to measure joint angles and transmitted forces to the shoulder. This paper describes design details of the exoskeleton and addresses the key issue of parameter optimization to achieve useful workspace based on kinematic and kinetic models.

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Jun, Bong Jae, Joo Han Oh, Michelle H. McGarry, Akash Gupta, Kyung Chil Chung, James Hwang und Thay Q. Lee. „Restoration of Shoulder Biomechanics in the Massive Rotator Cuff Tear According to Degree of Repair Completion“. In ASME 2010 5th Frontiers in Biomedical Devices Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/biomed2010-32049.

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The development of new instruments and surgical techniques has improved the outcome of rotator cuff repair even with massive tears. Based on cuff integrity or amount of retraction with massive cuff tears a complete repair may not be possible allowing for only partial repair. The ability to mobilize the cuff to the footprint can affect the degree of partial repair that can be performed. Partial repair may lead to abnormal biomechanics that may predispose patients to limited function and subsequent pathology following rotator cuff repair. Therefore, the purpose of this study is to compare the biomechanical characteristics of massive rotator cuff repair according to the degree of repair completion and to determine a minimum degree of repair required to restore normal biomechanics.

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Adams, Corinne R., Mark A. Baldwin, Peter J. Laz, Paul J. Rullkoetter und Joseph E. Langenderfer. „Development of a Computational Model to Study Effects of Rotator Cuff Tear Size and Location on Muscle Moment Arms“. In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-176401.

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Rotator cuff tendon tear causes alterations to cuff muscle architecture and tendons including muscle fascicle contracture and increased tendon length, fatty infiltration of the muscle fibers, muscle fiber pennation angle changes, asymmetric muscle atrophy, and altered muscle fiber type composition, e.g. [1]. These changes ultimately result in a reduction in muscle force, and frequently lead to a reduction of shoulder strength and a loss of functionality. Recently, division of the cuff tendons in a manner related to cuff tear has been shown to alter tendon excursions and cause muscle moment arms reductions in a cadaver experiment [2] and a computational study [3]. Evaluations of the effects of cuff tear size and location on cuff muscle moment arms have not been conducted. Consequently, the mechanisms by which the muscle force and moment arm changes affect joint strength are not well understood. An improved understanding of these relationships would increase potential for rehabilitation of joint strength following cuff repair. Models for evaluating rotator cuff tear are non-existent since subject-specific models have focused on healthy normal shoulders. Consequently, models have not been used to quantify the effects of clinically observed changes in muscle and tendon architecture on muscle moment arm and force generating capacity.

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Schlegel, Theodore F. „Evolution of Technology in Rotator Cuff Repair“. In ASME 2009 4th Frontiers in Biomedical Devices Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/biomed2009-83093.

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Key Questions — Learning Objectives: A. What has lead to the historical progress with rotator cuff repairs? B. Is there basic science supporting an “all-arthroscopic” rotator cuff repair? C. What are the future technologies that are promising to enhance rotator cuff healing?

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Oh, Joo Han, Bong-Jae Jun, Michelle H. McGarry und Thay Q. Lee. „Biomechanical Evaluation of Rotator Cuff Tear Progression and the Influence of Parascapular Muscle Loading“. In ASME 2009 4th Frontiers in Biomedical Devices Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/biomed2009-83138.

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Rotator cuff tears (RCT) commonly start at the anterior insertion of the supraspinatus and have been shown to propagate posteriorly. Early detection and repair of small or medium size tears has been shown to result in better clinical outcome and structural integrity than that of large or massive tears. However, it is unknown at which stage of rotator cuff tear propagation the biomechanical environment becomes altered. Previous biomechanical studies have not considered rotator cuff propagation based on the footprint anatomy, rotational glenohumeral joint kinematics, and the influence of anatomy-based muscle loading including pectoralis major and latissmus dorsi. Therefore, the purpose of this study was to determine the relationship between progressive rotator cuff tear and glenohumeral joint biomechanics using a rotator cuff tear progression model and anatomically based muscle loading including the influence of the pectoralis major and latissmus dorsi. Our hypotheses were 1) cuff tear progression will lead to abnormal glenohumeral joint biomechanics, specifically in kinematics (rotational range of motion and the path of humeral head apex) and abduction capability and 2) the pectoralis major and latissmus dorsi muscles will act as a stabilizer of the humeral head in large or massive tear.

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Jilek, Jiri, und Milan Stork. „Wrist cuff method determines mean arterial pressure in dual-cuff blood pressure system“. In 2014 International Conference on Applied Electronics (AE). IEEE, 2014. http://dx.doi.org/10.1109/ae.2014.7011687.

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Berichte der Organisationen zum Thema "CuFFT"

Weaver, Amelia M. Rotator Cuff Strength Ratio and Injury in Glovebox Workers. Office of Scientific and Technical Information (OSTI), Januar 2014. http://dx.doi.org/10.2172/1119583.

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Bhattarai, Kusha. Investigation of blood pressure measurement using a hydraulic occlusive cuff. Portland State University Library, Januar 2000. http://dx.doi.org/10.15760/etd.3131.

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Gao, Hai-de. Impact of cuff-assisted colonoscopy for adenoma detection: a protocol of systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2020. http://dx.doi.org/10.37766/inplasy2020.4.0042.

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Hoppel, C. P., J. F. Newill und K. P. Soencksen. Evaluation of Obturator and Sealing Cuff Properties for the M865 Training Projectile with Comparison to Ballistic Testing. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada368869.

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Plouzek, Robert M. The Effects of 50% Nitrous Oxide on Laryngeal Mask Airway Cuff Pressures at 5 Minute Intervals for 30 Minutes,. Fort Belvoir, VA: Defense Technical Information Center, August 1994. http://dx.doi.org/10.21236/ada288999.

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Xiang, Xiao-Na. Platelet-Rich Plasma as a conservative treatment for partial-thickness rotator cuff tear and tendinopathy: A Systematic Review and Meta-analysis. INPLASY - International Platform of Registered Systematic Review Protocols, April 2020. http://dx.doi.org/10.37766/inplasy2020.4.0144.

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Chen, Kewei, Shuai Yin, Xiaodan Wang, Qianqian Lin, Huijie Duan, Zhenhua Zhang, Yiniu Chang et al. Effect of extracorporeal shock wave therapy for the treatment of rotator cuff tendinitis: a systematic review and meta-analysis of randomized controlled trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2020. http://dx.doi.org/10.37766/inplasy2020.8.0028.

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Corticosteroid injections provide only short term relief for rotator cuff disorders. National Institute for Health Research, Oktober 2016. http://dx.doi.org/10.3310/signal-000312.

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Little to choose between open and keyhole surgery as options for repairing shoulder rotator cuff tears. National Institute for Health Research, Dezember 2015. http://dx.doi.org/10.3310/signal-000155.

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