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https://www.readbyqxmd.com/read/28227828/pose-measurement-of-anterior-pelvic-plane-based-on-inertial-measurement-unit-in-total-hip-replacement-surgeries
#1
Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Yixin Zhou, Hong Chen, Zhihua Wang, Hao Tang, Shaojie Su
In Total Hip Replacement (THR), inaccurate measurement of Anterior Pelvic Plane (APP), which is usually used as a reference plane, will lead to malposition of the acetabular prosthesis. As a result, the risk of impingement, dislocation and wear will increase and the safe range of motion will be limited. In order to acquire the accurate pose of APP, a measurement system is designed in this paper, which includes two parts: one is used to estimate the initial pose of APP and the other is used to trail dynamic motion of APP...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227591/an-inductive-narrow-pulse-rfid-telemetry-system-for-gastric-slow-waves-monitoring
#2
Amir Javan-Khoskholgh, Zaid Abukhalaf, Ji Li, Larry S Miller, Mehdi Kiani, Aydin Farajidavar, Amir Javan-Khoskholgh, Zaid Abukhalaf, Ji Li, Larry S Miller, Mehdi Kiani, Aydin Farajidavar, Larry S Miller, Amir Javan-Khoskholgh, Ji Li, Mehdi Kiani, Zaid Abukhalaf
We present a passive data telemetry system for real-time monitoring of gastric electrical activity of a living subject. The system is composed of three subsystems: an implantable unit (IU), a wearable unit (WU), and a stationary unit (SU). Data communication between the IU and WU is based on a radio-frequency identification (RFID) link operating at 13.56 MHz. Since wireless power transmission and reverse data telemetry system share the same inductive interface, a load shift keying (LSK)-based differential pulse position (DPP) coding data communication with only 6...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227499/promotion-and-guidance-of-neural-network-formation-on-su-8-photoresist-microchannels-adjusted-with-multilayer-films
#3
Yung-Chiang Liu, I-Chi Lee, Kin-Fong Lei, Yung-Chiang Liu, I-Chi Lee, Kin-Fong Lei, Yung-Chiang Liu, I-Chi Lee, Kin-Fong Lei
Induction of neural stem/progenitor cells (NSPCs) and establishment of neural network are important issues on neural engineering. In this work, a platform was designed to control and evaluate the differentiation of NSPCs, neurite direction, and to promote the neurite outgrowth. Polyelectrolyte multilayer (PEM) films provide surface properties by and have been used to regulate NSPCs differentiation in our previous study. Herein, a culture platform composed of SU-8 microchannel and PEM films was designed to achieve the goal of promoting NSPCs differentiation and to evaluate the effect of PEM films on the guidance of neural network formation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227426/characterization-of-patient-specific-biventricular-mechanics-in-heart-failure-with-preserved-ejection-fraction-hyperelastic-warping
#4
Hua Zou, Xiaodan Zhao, Xi Ce, Lik Chuan Lee, Martin Genet, Yi Su, Rusan Tan, Liang Zhong, Hua Zou, Xiaodan Zhao, Xi Ce, Lik Chuan Lee, Martin Genet, Yi Su, Rusan Tan, Liang Zhong, Rusan Tan, Martin Genet, Hua Zou, Lik Chuan Lee, Yi Su, Liang Zhong, Xiaodan Zhao, Xi Ce
Heart failure with preserved ejection fraction (HFPEF) is considered as a major public health problem. Traditionally, HFPEF is diagnosed based on a "normal" EF, but the studies have explored the potential role of left ventricular mechanics. Furthermore, right ventricular mechanics and bi-ventricular interaction in HFPEF is currently not well understood. In this study, we aim to develop a framework using a hyperelastic warping approach to quantify bi-ventricular and septum strains from cardiac magnetic resonance (CMR) images...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227405/template-based-rodent-brain-extraction-and-atlas-mapping
#5
Weimin Huang, Jiaqi Zhang, Zhiping Lin, Su Huang, Yuping Duan, Zhongkang Lu, Weimin Huang, Jiaqi Zhang, Zhiping Lin, Su Huang, Yuping Duan, Zhongkang Lu, Jiaqi Zhang, Weimin Huang, Yuping Duan, Zhongkang Lu, Zhiping Lin, Su Huang
Accurate rodent brain extraction is the basic step for many translational studies using MR imaging. This paper presents a template based approach with multi-expert refinement to automatic rodent brain extraction. We first build the brain appearance model based on the learning exemplars. Together with the template matching, we encode the rodent brain position into the search space to reliably locate the rodent brain and estimate the rough segmentation. With the initial mask, a level-set segmentation and a mask-based template learning are implemented further to the brain region...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227393/an-integrated-neuroprotective-intervention-for-brain-ischemia-validated-by-ecog-fpam
#6
Yu-Hang Liu, Lun-De Liao, Su Jing Chan, Aishwarya Bandla, Nitish V Thakor, Yu-Hang Liu, Lun-De Liao, Su Jing Chan, Aishwarya Bandla, Nitish V Thakor, Yu-Hang Liu, Aishwarya Bandla, Nitish V Thakor, Su Jing Chan, Lun De Liao
Brain ischemia is a neurological deficit caused by a reduction in the blood supply to tissue, and one of the leading causes of disability in the world. Currently, the most well-known therapeutic agent for ischemia recovery is recombinant tissue plasminogen activator (rtPA), but it is viable for only a small portion (approximately 3.6%) of ischemic patients and may cause side effects such as tissue damage. Thus, introducing a new therapeutic concept for ischemia, we proposed an integrated intervention combining global and focal stimulations in this article...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227074/cardiovascular-fitness-strengthening-using-portable-device
#7
Hamzah Alqudah, Kai Cao, Tao Zhang, Azzam Haddad, Steven Su, Branko Celler, Hung T Nguyen, Hamzah Alqudah, Kai Cao, Tao Zhang, Azzam Haddad, Steven Su, Branko Celler, Hung T Nguyen, Tao Zhang, Azzam Haddad, Hamzah Alqudah, Hung T Nguyen, Steven Su, Branko Celler, Kai Cao
The paper describes a reliable and valid Portable Exercise Monitoring system developed using TI eZ430-Chronos watch, which can control the exercise intensity through audio stimulation in order to increase the Cardiovascular fitness strengthening.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227071/real-time-modelling-of-heart-rate-response-during-exercise-using-a-novel-constrained-parameter-estimation-method
#8
Ahmadreza Argha, Lin Ye, Steven W Su, Hung Nguyen, Branko G Celler, Ahmadreza Argha, Lin Ye, Steven W Su, Hung Nguyen, Branko G Celler, Steven W Su, Hung Nguyen, Ahmadreza Argha, Lin Ye, Branko G Celler
This paper is devoted to the problem of real-time heart rate (HR) response modelling during treadmill exercise. A novel recursive constrained parameter estimation method is developed which in contrast to the conventional parameter estimation schemes (e.g. recursive least squares (RLS) method) can avoid the occurrence of the so-called blowup phenomena. By incorporation of a weighting upon 1) parameter variation relative to a priori HR response knowledge, 2) one-step parameter variation, into the objective function, an estimation scheme is obtained that in the absence of exciting data can avoid blowup...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227070/heart-rate-regulation-during-cycle-ergometer-exercise-using-damped-parameter-estimation-method
#9
Ahmadreza Argha, Lin Ye, Steven W Su, Hung Nguyen, Branko G Celler, Ahmadreza Argha, Lin Ye, Steven W Su, Hung Nguyen, Branko G Celler, Steven W Su, Hung Nguyen, Ahmadreza Argha, Lin Ye, Branko G Celler
This paper is devoted to the problem of heart rate regulation using a model-based control strategy and a realtime damped parameter estimation scheme. The controller is a time-varying integral sliding mode controller. A recursive damped parameter estimation method is also developed, by incorporation of a weighting upon the one-step parameter variation, which in contrast to the conventional parameter estimation schemes (e.g. recursive least squares (RLS) method) can avoid the occurrence of the so-called blowup phenomena...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226935/the-hybrid-bio-inspired-aerial-vehicle-concept-and-simscape-flight-simulation
#10
Tao Zhang, Steven Su, Hung T Nguyen, Tao Zhang, Steven Su, Hung T Nguyen, Steven Su, Tao Zhang, Hung T Nguyen
This paper introduces a Silver Gull-inspired hybrid aerial vehicle, the Super Sydney Silver Gull (SSSG), which is able to vary its structure, under different manoeuvre requirements, to implement three flight modes: the flapping wing flight, the fixed wing flight, and the quadcopter flight (the rotary wing flight of Unmanned Air Vehicle). Specifically, through proper mechanism design and flight mode transition, the SSSG can imitate the Silver Gull's flight gesture during flapping flight, save power consuming by switching to the fixed wing flight mode during long-range cruising, and hover at targeted area when transferring to quadcopter flight mode...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226919/an-online-recursive-autocalibration-of-triaxial-accelerometer
#11
Lin Ye, Steven W Su, Dong Lei, Hung T Nguyen, Lin Ye, Steven W Su, Dong Lei, Hung T Nguyen, Steven W Su, Hung T Nguyen, Lin Ye, Dong Lei
In this paper, we proposed a novel method for autocalibration of triaxial Micro-Electro-Mechanical systems (MEMS) accelerometer that does not require any sophisticated laboratory facilities. In particular, this method is an online calibration method which can be conveniently implemented with the accuracy of MEMS accelerometer being significantly improved. The procedure exploits the fact that the output vector of the accelerometer must match the local gravity in static state condition. To achieve online calibration, the model as well as the cost function are linearized at the beginning, and an online recursive method is then utilized to identify the unknown parameters and remove the bias caused by linearization...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226777/predicting-schizophrenia-by-fusing-networks-from-snps-dna-methylation-and-fmri-data
#12
Su-Ping Deng, Dongdong Lin, Vince D Calhoun, Yu-Ping Wang, Su-Ping Deng, Dongdong Lin, Vince D Calhoun, Yu-Ping Wang, Vince D Calhoun, Su-Ping Deng, Yu-Ping Wang, Dongdong Lin
In order to comprehensively utilize complementary information from multiple types of data for better disease diagnosis, in this study, we applied a network fusion based approach to integrating three types of data including genetic, epigenetic and neuroimaging data from a study of schizophrenia patients (SCZ). A network is a map of interactions, which contributes to investigating the connectivity of components or links between sub-units. We exploited the potential of using networks as features for discriminating SCZ from healthy controls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226559/testing-non-wearable-fall-detection-methods-in-the-homes-of-older-adults
#13
Marjorie Skubic, Bradford H Harris, Erik Stone, K C Ho, Bo-Yu Su, Marilyn Rantz, Marjorie Skubic, Bradford H Harris, Erik Stone, K C Ho, Bo-Yu Su, Marilyn Rantz, Erik Stone, Bo-Yu Su, Bradford H Harris, Marjorie Skubic, Marilyn Rantz, K C Ho
In this paper, we describe two longitudinal studies in which fall detection sensor technology was tested in the homes of older adults. The first study tested Doppler radar, a two-webcam system, and a depth camera system in ten apartments for two years. This continuous data collection allowed us to investigate the real-world setting of target users and compare the advantages and limitations of each sensor modality. Based on this study, the depth camera was chosen for a current ongoing study in which depth camera systems have been installed in 94 additional older adult apartments...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226526/classification-of-facial-emotion-expression-in-the-application-of-psychotherapy-using-viola-jones-and-edge-histogram-of-oriented-gradient
#14
Henry Candra, Mitchell Yuwono, Rifai Chai, Hung T Nguyen, Steven Su, Henry Candra, Mitchell Yuwono, Rifai Chai, Hung T Nguyen, Steven Su, Mitchell Yuwono, Rifai Chai, Henry Candra, Hung T Nguyen, Steven Su
Psychotherapy requires appropriate recognition of patient's facial-emotion expression to provide proper treatment in psychotherapy session. To address the needs this paper proposed a facial emotion recognition system using Combination of Viola-Jones detector together with a feature descriptor we term Edge-Histogram of Oriented Gradients (E-HOG). The performance of the proposed method is compared with various feature sources including the face, the eyes, the mouth, as well as both the eyes and the mouth. Seven classes of basic emotions have been successfully identified with 96...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226514/single-channel-eeg-based-mental-fatigue-detection-based-on-deep-belief-network
#15
Pinyi Li, Wenhui Jiang, Fei Su, Pinyi Li, Wenhui Jiang, Fei Su, Fei Su, Wenhui Jiang, Pinyi Li
Mental fatigue has a pernicious influence on road and work place safety as well as a negative symptom of many acute and chronic illnesses, since the ability of concentrating, responding and judging quickly decreases during the fatigue or drowsiness stage. Electroencephalography (EEG) has been proven to be a robust physiological indicator of human cognitive state over the last few decades. But most existing EEG-based fatigue detection methods have poor performance in accuracy. This paper proposed a single-channel EEG-based mental fatigue detection method based on Deep Belief Network (DBN)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226347/-prevention-and-treatment-for-complications-in-the-application-of-new-technology-for-stomach-cancers
#16
Xiangqian Su, Chuanyong Zhou, Hong Yang
With the rapid advancement of minimally invasive new technology, laparoscopic surgery and robotic surgery are now regarded as the main direction in surgical treatment for stomach cancers. Recent evidence has confirmed the safety and feasibility of laparoscopic surgery for early gastric cancer and advanced gastric cancer. However, gastrointestinal surgeons should pay more attention to complications after laparoscopic gastrectomy because of rich blood supply, complex tissue layers and lymph node metastasis. Common complications related to laparoscopic surgery are associated with laparoscopic instruments and operating, intra-abdominal bleeding, anastomotic leakage, anastomotic bleeding, pancreatic leakage, duodenal stump leakage, lymphatic leakage and so on...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226317/neuroprotective-effects-of-acetyl-l-carnitine-on-neonatal-hypoxia-ischemia-induced-brain-injury-in-rats
#17
Shiyu Tang, Su Xu, Xin Lu, Rao P Gullapalli, Mary C McKenna, Jaylyn Waddell
Perinatal hypoxia ischemia (HI) is a significant cause of brain injury in surviving infants. Although hypothermia improves outcomes in some infants, additional therapies are needed since about 40% of infants still have a poor outcome. Acetyl-L-carnitine (ALCAR), an acetylated derivative of L-carnitine, protected against early changes in brain metabolites and mitochondrial function after HI on postnatal day (PND) 7 in a rat pup model of near-term HI injury. However, its efficacy in long-term structural and functional outcomes remains unexplored...
February 23, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28226276/different-associations-of-albuminuria-with-total-and-cardiovascular-mortality-by-concentrations-of-persistent-organic-pollutants-in-the-elderly
#18
Hyun-Woo Kim, Jung-Hyun Kim, Dong-Won Lee, Sang-Hyun Cho, Ji-Hoon Jung, Ki-Su Kim, Duk-Hee Lee
Epidemiologic studies have indicated that albuminuria is associated with mortality from all causes and cardiovascular disease (CVD), with substantial heterogeneity. We evaluated if the associations of urine albumin creatinine ratio (ACR) with all-cause and CVD mortality differed depending on serum concentrations of persistent organic pollutants (POPs), strong lipophilic chemical mixtures with very long half-lives, which are recently linked to many degenerative diseases. Study subjects were participants of the National Health and Nutrition Examination Survey 1999-2004 who were 60 years or older at baseline (n=1215 and 1067 for organochlorine pesticides (OCPs) and other POPs, respectively)...
February 18, 2017: Environmental Research
https://www.readbyqxmd.com/read/28226221/development-of-new-density-functional-approximations
#19
Neil Qiang Su, Xin Xu
Kohn-Sham density functional theory has become the leading electronic structure method for atoms, molecules, and extended systems. It is in principle exact, but any practical application must rely on density functional approximations (DFAs) for the exchange-correlation energy. Here we emphasize four aspects of the subject: (a) philosophies and strategies for developing DFAs; (b) classification of DFAs; (c) major sources of error in existing DFAs; and (d) some recent developments and future directions. Expected final online publication date for the Annual Review of Physical Chemistry Volume 68 is April 20, 2017...
February 22, 2017: Annual Review of Physical Chemistry
https://www.readbyqxmd.com/read/28225903/sphygmomanometers-and-thermometers-as-potential-fomites-of-staphylococcus-haemolyticus-biofilm-formation-in-the-presence-of-antibiotics
#20
Bruna Pinto Ribeiro Sued, Paula Marcele Afonso Pereira, Yuri Vieira Faria, Juliana Nunes Ramos, Vanessa Batista Binatti, Kátia Regina Netto Dos Santos, Sérgio Henrique Seabra, Raphael Hirata, Verônica Viana Vieira, Ana Luíza Mattos-Guaraldi, José Augusto Adler Pereira
BACKGROUND: The association between Staphylococcus haemolyticus and severe nosocomial infections is increasing. However, the extent to which fomites contribute to the dissemination of this pathogen through patients and hospital wards remains unknown. OBJECTIVES: In the present study, sphygmomanometers and thermometers were evaluated as potential fomites of oxacillin-resistant S. haemolyticus (ORSH). The influence of oxacillin and vancomycin on biofilm formation by ORSH strains isolated from fomites was also investigated...
March 2017: Memórias do Instituto Oswaldo Cruz
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