1,615 resources related to Anesthesia
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2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
The conference program will consist of plenary lectures, symposia, workshops and invited sessions of the latest significant findings and developments in all the major fields of biomedical engineering. Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.
2014 IEEE International Conference on Systems, Man and Cybernetics - SMC
SMC2014 targets advances in Systems Science and Engineering, Human-Machine Systems, and Cybernetics involving state-of-art technologies interacting with humans to provide an enriching experience and thereby improving the quality of lives including theories, methodologies, and emerging applications.
2013 IEEE Symposium on Industrial Electronics & Applications (ISIEA)
The symposium covers the areas of industrial electronics and industrial applications in general, that include areas of electronics engineering and its applications, computer engineering and applications, processing, mechatronics, instrumentation, measurement, and their applications in the humanities & commercial
2009 International Conference on Control, Automation, Communication and Energy Conservation (INCACEC 2009)
The rapid developments in the various spheres of engineering and technology have contributed immensely to the introduction of new products, services, improvement of productivity and quality and reduction in costs-all leading to enhancement of the quality of life. In the above scenario, it is imperative to take a close look at the present status of Automation and Control, Communication and Energy Conservation with a view to critically analyzing the present status and chalking out the future course of action
2005 1st International Conference on Neural Interface and Control (CNIC)
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Rehabilitation aspects of biomedical engineering, including functional electrical stimulation, acoustic dynamics, human performance measurement and analysis, nerve stimulation, electromyography, motor control and stimulation, and hardware and software applications for rehabilitation engineering and assistive devices.
N. Sekine; M. Akay First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings., 2003
We investigate the patterns of the phrenic neurogram during severe hypoxia and recovery from hypoxia in the piglet. We have used the matching pursuit (MP) method to examine the effects of maturation on breathing patterns in both time and frequency domains. The phrenic neurogram in piglets was recorded during eupnea (normal breathing), severe hypoxia and recovery from hypoxia in 8 ...
P. Griss; H. K. Tolvanen-Laakso; P. Merilainen; G. Stemme IEEE Transactions on Biomedical Engineering, 2002
We present the characterization of dry spiked biopotential electrodes and test their suitability to be used in anesthesia monitoring systems based on the measurement of electroencephalographic signals. The spiked electrode consists of an array of microneedles penetrating the outer skin layers. We found a significant dependency of the electrode-skin-electrode impedance (ESEI) on the electrode size (i.e., the number of spikes) ...
E. W. Jensen; M. M. R. F. Strays; P. M. Vazquez; B. Rodriguez; H. Litvan First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings., 2003
The extraction of a consistent and reliable measure online and close to real time to assess the hypnotic level during anesthesia is a continuous challenge to the anesthetist and the biomedical engineer. Hemodynamic parameters such as heart rate and blood pressure are not, at least with the traditional single parameter versus time presentation, adequate for ensuring an optimal level of ...
Liyu Huang; Fengchi Ju; Enke Zhang; Jingzhi Cheng First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings., 2003
Proposes a novel approach to monitor the depth of anesthesia by predicting the response to incision during isoflurane anaesthesia using mutual information (MI) time series or electroencephalograms (EEGs) and their complexity analysis. The MI between four lead electrodes was first computed using the EEG time series. The Lempel-Ziv complexity measures, C(n)s, were extracted from the MI time series. Prediction was ...
Jin-Oh Hahn; Guy A. Dumont; J. Mark Ansermino 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology, 2010
This paper presents a robust closed-loop strategy for control of depth of hypnosis. The proposed method regulates the electroencephalogram (EEG)-derived WAVCNS index as a hypnosis measure by manipulating intravenous propofol administration. In contrast to many existing closed-loop methods, the control design presented in this paper produces stability and robustness against uncertainty by explicitly accounting for the pharmacokinetic (PK) and pharmacodynamic ...
Computer-Based Medical Systems, 2006. CBMS 2006. 19th IEEE International Symposium on, 2006
The growing availability of high throughput measurement devices in the operating room makes possible the collection of a huge amount of data about the state of the patient and the doctors' practice during a surgical operation. This paper explores the possibility of extracting from these data relevant information and pertinent decision rules in order to support the daily anesthesia procedures. ...
Biomedical Engineering and Informatics (BMEI), 2011 4th International Conference on, 2011
Autonomic nerve activities in human body under general anesthesia are dynamic and diverse. Respiratory sinus arrhythmia is associated with depth of anesthesia, which exists in the high-frequency region of RRI (beat-to-beat R-peak interval) spectrum. Analyzing RRI variation in electrocardiography by classical power spectrum is insufficient because of the lack of temporal resolution. To better understand autonomic activity during anesthesia, we ...
Engineering in Medicine and Biology Magazine, IEEE, 1994
In the present study, the authors used nicardipine as the hypotensive drug, and determined its infusion rate based on the state-action diagram of fuzzy control rules, that the authors developed, to evaluate the concept of Zadeh's fuzzy logic controller. The authors then developed an automated blood pressure control system based on a fuzzy expert system, and evaluated its clinical efficacy ...
Engineering in Medicine and Biology Society (EMBC), 2013 35th Annual International Conference of the IEEE, 2013
Ophthalmic regional blocks are critical preoperative procedures involving the insertion of a syringe needle into the orbital cavity at such a position and angle that akinesia and analgesia is achieved without damage or harm to the eye and its associated musculature. A training system that accurately represents the orbital anatomical features and provides qualitative feedback on the performed anesthetic technique, ...
[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint, 1999
One effective way to estimate the depth of anesthesia (DOA) from EEG is proposed. The scheme applies an adaptive-network-based fuzzy inference system (ANFIS) to integrate the extracted EEG characteristics such as complexity measure, approximate entropy, and spectral edge frequency for decision-making. The system was trained and tested using EEG data collected from three dog experiments under propofol anesthesia. The accuracy ...
This chapter contains sections titled: Introduction Depth of Anesthesia Auditory-Evoked Potentials Extraction of AEP EEG-Based Indices AEP-Based Indices Composite AEP and EEG Index References
The modern age of surgery began at the end of the nineteenth century because medicine discovered the Industrial Age, with its wealth of revolutionary technologies such as anesthesia, asepsis, microscopy, and new materials. At the close of the twentieth century, the Information Age diffused into medicine, and a revolution of even greater magnitude occurred. To understand the change it is necessary to look outside of medicine to society as a whole and find the underlying principles, and then apply them within our discipline. The medical record is now becoming electronic and nearly all of our imaging has changed from film (atoms) to digital images (bits). Medical education is using computer-aided instructions, CD-ROM, and VR to simulate and supplement cadaver and animal models. With the new research in robotics, even our hand motions are being changed in to electronic signals and being sent from one place to another. The future of medicine is no longer blood and guts, but bits and bytes. A commonality of information enables us to tie together a whole new concept of how medicine could evolve, like an entire medical ecosystem, whereby discoveries in micro-sensors permits new imaging devices, which in turn enable new forms of image-based surgery. It is an upward spiral, one discovery providing a giant step forward toward the next technology and escalating the whole changing system logarithmically. This could help explain why we are all so overwhelmed by the rapidity of our changing profession. Yet the younger generation of physicians-to-be are not so uncomfortable with the rapidly changing technologies. One of their fundamental tools is the ability to understand the world in the form of three-dimensional (3-D) visualization. There is a speculative scenario that can be used as a framework to illuminate the integrating power of this concept. It is referred to as the doorway t o the future and extrapolates to 20, 50 or perhaps 100 years into the future. As a patient visits her surgeon for a consult, she passes through the office door and, just as scanning is performed today by airport security, she has multiple imaging modalities scanning her (perhaps CT, MRI, ultrasound, and infrared). The data are all collected and then displayed as a 3-D image of her (looking like the Visible Human) but with not only correct anatomic structure but also all the biochemical and other data added to the correct organ systems. If an abnormality is seen, such as a colon mass, a virtual colonoscopy can be done on the image by flying through the colon with the same view as an actual colonoscopy. If a lesion is found, the image can be used for patient education, illustrating to the patient exactly what her specific problem is. At the time of surgery, an image can be imported onto the video monitor of laparoscopic colon resection, and with data fusion the two images displayed simultaneously as an intraoperative navigation tool (stereotactic navigation). At the postoperative follow up visit, the patient is scanned again, by comparing the postoperative with the preoperative datasets and using digital subtraction techniques, the difference between the two datasets is automatic outcomes analysis. Because the record is a dataset, it can be stored on a credit card (the U.S. military is using a prototype card called the MARC card) or kept on a Web server to be distributed worldwide over the Internet for consultation. The purpose of the this scenario is to provide an explanation of and rationale for why it is so important to understand how information can empower us, to show the looking glass through which the next-generation surgeon will be viewing the world. To bring the scenario out of the speculative and rhetorical and into the real world, the technologies that these views are presented in this chapter must be held accountable to the scrutiny of science. Only when these new discoveries are properly evaluated with rigorous testing and clinical trials can ...
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