Neuro-muscular junction block stimulator simulator.

abstract：:X-ray imaging of the chest is challenging because of the large differences in x-ray attenuation between the mediastinal and lung regions of the chest. This large dynamic range of chest exit exposure, along with associated large changes in the scatter component of the beam, makes film based chest imaging difficult to o...

journal_title：Australasian physical & engineering sciences in medicine

authors： McLean D

更新日期：1993-12-01 00:00:00

abstract：:A 69 year old male was treated with an ablative dose of 3.7 GBq (100 mCi) of I131 for carcinoma of the thyroid and died 10 days after administration. The requirement for an autopsy and the level of radiation still present in the body necessitated the intervention of Radiation Safety Personnel to minimise support staff...

journal_title：Australasian physical & engineering sciences in medicine

authors： Wallace AB,Bush V

更新日期：1991-06-01 00:00:00

abstract：:The purpose of this paper is to describe an outline of a proton therapy system in Nagoya Proton Therapy Center (NPTC). The NPTC has a synchrotron with a linac injector and three treatment rooms: two rooms are equipped with a gantry and the other one is equipped with a fixed horizontal beamline. One gantry treatment ro...

journal_title：Australasian physical & engineering sciences in medicine

authors： Toshito T,Omachi C,Kibe Y,Sugai H,Hayashi K,Shibata H,Yasui K,Tanaka K,Yamamoto T,Yoshida A,Nikawa E,Asai K,Shimomura A,Okumura I,Suzuki T,Kinou H,Isoyama S,Ogino H,Iwata H,Shibamoto Y,Mizoe J

更新日期：2016-09-01 00:00:00

abstract：:Electrocardiogram (ECG) signal gives a lot of information on the physiology of heart. In reality, noise from various sources interfere with the ECG signal. To get the correct information on physiology of the heart, noise cancellation of the ECG signal is required. In this paper, the effectiveness of extended Kalman sm...

journal_title：Australasian physical & engineering sciences in medicine

authors： Panigrahy D,Sahu PK

更新日期：2016-09-01 00:00:00

abstract：:The risk of inducing contralateral breast (CLB) cancer in patients undergoing tangential field irradiation for the treatment of breast cancer is a serious concern in radiation oncology. A bilateral breast phantom made of wax attached onto the Alderson Rando phantom was used for studying the CLB dose for techniques usi...

journal_title：Australasian physical & engineering sciences in medicine

authors： Prabhakar R,Haresh KP,Julka PK,Ganesh T,Rath GK,Joshi RC,Sasindran M,Naik KK,Sridhar PS

更新日期：2007-03-01 00:00:00

abstract：:An automated computer-aided diagnosis system is developed to classify benign and malignant thyroid nodules using multi-stained fine needle aspiration biopsy (FNAB) cytological images. In the first phase, the image segmentation is performed to remove the background staining information and retain the appropriate foregr...

journal_title：Australasian physical & engineering sciences in medicine

authors： Gopinath B,Shanthi N

更新日期：2013-06-01 00:00:00

abstract：:The Australasian College of Physical Scientists and Engineers in Medicine (ACPSEM) Radiation Oncology Specialty Group (ROSG) formed a series of working groups in 2011 to develop position papers for guidance of radiation oncology medical physics practice within the Australasian setting. These position papers are intend...

journal_title：Australasian physical & engineering sciences in medicine

authors： Shakeshaft J,Perez M,Tremethick L,Ceylan A,Bailey M

更新日期：2014-03-01 00:00:00

abstract：:Currently, a software-based second check dose calculation for helical tomotherapy (HT) is not available. The goal of this study is to evaluate the dose calculation accuracy of the in-house software using EGS4/MCSIM Monte Carlo environment against the treatment planning system calculations. In-house software was used t...

journal_title：Australasian physical & engineering sciences in medicine

authors： Dzintars E,Stathakis S,Mavroidis P,Sadeghi A,Papanikolaou N

更新日期：2012-12-01 00:00:00

abstract：:Postural balance requires using joint strategies which may be changed from normal conditions by interfering with the sensory information. The goal of the present study was to quantitatively evaluate the role of the joint mechanisms during perturbed stance. Visual and cognitive interference was imposed to sixteen healt...

journal_title：Australasian physical & engineering sciences in medicine

authors： Ashtiani MN,Azghani MR

更新日期：2018-03-01 00:00:00

abstract：:Ischaemic stroke is a major public health issue in both developed and developing nations. Hypothermia is believed to be neuroprotective in cerebral ischaemia. Conversely, elevated brain temperature is associated with poor outcome after ischaemic stroke. Mechanisms of heat exchange in normally-perfused brain are relati...

journal_title：Australasian physical & engineering sciences in medicine

authors： Lillicrap T,Tahtalı M,Neely A,Wang X,Bivard A,Lueck C

更新日期：2017-12-01 00:00:00

abstract：:Lymphocyte recirculation between lymphatic and blood vessels and migration through tissues are essential mechanisms underlying immunological surveillance. However, the kinetics of lymphocyte migration through lymphoid tissues remains poorly understood. The present study of lymphocyte migration, based on a sheep model ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Srikusalanukul W,De Bruyne F,McCullagh P

更新日期：2002-09-01 00:00:00

abstract：:A set of computer programs to simulate diagnostic x-ray spectra has been developed according to the method of Birch and Marshall, with good agreement to published HPA data. These programs have been extended to simulate spectra generated with capacitor discharge x-ray units. The application of these programs has proved...

journal_title：Australasian physical & engineering sciences in medicine

authors： McLean D

更新日期：1989-09-01 00:00:00

abstract：:At present, the Australasian College of Physical Scientists and Engineers in Medicine does not support the practice of self-referred whole-body CT screening of asymptomatic patients because: The procedure involves a non-trivial radiation dose, which assumes even greater significance in the context of an ongoing screen...

journal_title：Australasian physical & engineering sciences in medicine

authors： Le Heron JC,Coakley KS

更新日期：2004-03-01 00:00:00

abstract：:Gating is a relatively new and potentially useful therapeutic addition to external beam radiotherapy applied to regions affected by intra-fraction motion. The impact was of gating on treatment margins, image artifacts, and volume and positional accuracy was investigated by CT imaging of sinusoidally moving spheres. Th...

journal_title：Australasian physical & engineering sciences in medicine

authors： Keall PJ,Kini VR,Vedam SS,Mohan R

更新日期：2002-03-01 00:00:00

abstract：:Linear scaling is used to convert raw computed tomography (CT) pixel values into Hounsfield units corresponding to different tissue values. Analysis of a benchmarking study, presented here, where the same CT scan was imported into and then exported from multiple radiotherapy treatment planning systems, found inconsist...

journal_title：Australasian physical & engineering sciences in medicine

authors： Kennedy A,Dowling J,Greer PB,Ebert MA

更新日期：2018-09-01 00:00:00

abstract：:Due to large inter- and intra-patient variabilities of arterial input functions (AIFs), accurately modeling and using patient-specific AIF are very important for quantitative analysis of dynamic contrast enhanced MRI. Computer simulations were performed to evaluate and compare nine population AIF models with the Parke...

journal_title：Australasian physical & engineering sciences in medicine

authors： He D,Xu L,Qian W,Clarke J,Fan X

更新日期：2018-06-01 00:00:00

abstract：:The fragility of trabecular bone depends not only on the amount of bone but also on its architecture. In order to assess fragility of bone, describe changes due to age, and monitor effect of disease or treatment, it is necessary to model the physical properties of trabecular bone architecture. An important feature of ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Badiei A,Bottema MJ,Fazzalari NL

更新日期：2006-03-01 00:00:00

abstract：:Fibromyalgia syndrome (FMS) is a chronic muscle and skeletal system disease observed generally in women, manifesting itself with a widespread pain and impairing the individual's quality of life. FMS diagnosis is made based on the American College of Rheumatology (ACR) criteria. However, recently the employability and ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Arslan E,Yildiz S,Albayrak Y,Koklukaya E

更新日期：2016-06-01 00:00:00

abstract：:Monte Carlo modelling of particle transport problems in medical radiation physics offers significant advantages over other techniques. Experiments can be performed without having to set up the physical situation, and "impossible" experiments can be performed, such as labelling multiple-scattered particles or simulatin...

journal_title：Australasian physical & engineering sciences in medicine

authors： Murray D

更新日期：1990-09-01 00:00:00

abstract：:Cone-beam computed tomography (CBCT) has become the standard imaging technique for many sites treated with Radiotherapy. The Elekta X-ray Volumetric Imaging (XVI) system allows for the acquisition of CBCTs with three different diameters; small (27 cm), medium (41 cm) and large (50 cm) (Elekta in XVI Corrective Mainten...

journal_title：Australasian physical & engineering sciences in medicine

authors： Little DP

更新日期：2019-12-01 00:00:00

abstract：:Electron beams can be used for the radiotherapy treatment of superficial cancers. In many cases of electron beam radiotherapy, tissue equivalent bolus material placed on the skin is to be used to enhance skin dose. An air gap might be present between the bolus and the skin due to variation in the patient contour. The ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Kong M,Holloway L

更新日期：2007-06-01 00:00:00

abstract：:It has long been recognized that the assessment of Automatic Exposure Control (AEC) function is an important criterion in the assessment of any general radiographic x-ray installation. Of the tests commonly performed on an AEC, only Beam Quality Dependence relates intimately with the optical density produced on the re...

journal_title：Australasian physical & engineering sciences in medicine

authors： Wilkinson LE,Heggie JC

更新日期：1997-09-01 00:00:00

abstract：:Arrhythmia is slow, fast or irregular heartbeat. Manual ECG assessment and disease classification is an error-prone task because of vast differences in ECG morphology and difficulty in accurate identifying ECG components. Moreover, proposing a computer-aided diagnosis system for heartbeat classification can be useful ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Khatibi T,Rabinezhadsadatmahaleh N

更新日期：2019-11-26 00:00:00

abstract：:Orthovoltage x-ray beams exhibit the characteristic of depth dose buildup which is not well described in the literature. The principal reason for this phenomenon is the increase in dose deposited due to electrons set in motion by secondary (Compton) scattered photons within the phantom, as depth is increased until lon...

journal_title：Australasian physical & engineering sciences in medicine

authors： Hill RF,Keall PJ,Beckham WA,Perez MD

更新日期：1998-06-01 00:00:00

abstract：:Diamond detectors are particularly well suited for dosimetry applications in radiotherapy for reasons including near-tissue equivalence and high-spatial resolution resulting from small sensitive volumes. However, these detectors have not become commonplace due to high cost and poor availability arising from the need f...

journal_title：Australasian physical & engineering sciences in medicine

authors： Lansley SP,Betzel GT,Metcalfe P,Reinisch L,Meyer J

更新日期：2010-12-01 00:00:00

abstract：:Peripheral doses out of field could have short and long terms biological effects on patients treated with electron beams. In this study, peripheral dose outside the applicator was measured using the 6, 10 and 18 MeV beams of an Elekta synergy linac. For these beams dose profiles were measured using EBT3 film at variou...

journal_title：Australasian physical & engineering sciences in medicine

authors： Haghparast A,Amiri F,Yarahmadi M,Rezaei M

更新日期：2018-09-01 00:00:00

abstract：:In-phantom figures of merit of the radiobiological dose distribution are the main criteria for evaluation of the boron neutron capture therapy (BNCT) plan and neutron beam evaluation. Since in BNCT there are several reactions, which contribute to the total dose of the tissue, the calculation of the dose distribution i...

journal_title：Australasian physical & engineering sciences in medicine

authors： Ahangari R,Afarideh H

更新日期：2011-12-01 00:00:00

abstract：:Bicoherence analysis is applied to electromyogram (EMG) data for the vastus lateralis quadriceps muscle of 18 adult male subjects for isometric knee extension exercise. Bicoherence spectra display ridge-like features that are indicative of deterministic chaotic behaviour and similar to those reported for normal electr...

journal_title：Australasian physical & engineering sciences in medicine

authors： Simeoni RJ,Mills PM

更新日期：2003-03-01 00:00:00

abstract：:Radiation therapy of cancer is today going through a very dynamic development with the introduction of a large number of new treatment principles, new types of treatment units and new radiobiologically based optimization algorithms for treatment planning. All of these make use of the recent developments in three dimen...

journal_title：Australasian physical & engineering sciences in medicine

authors： Brahme A

更新日期：1996-06-01 00:00:00

abstract：:To evaluate and precisely internal fix intra-articular distal radial fracture (IDRF) using the virtual X-ray and three-dimensional (3D) printing technologies. Twenty-one patients with IDRF were recruited, and the data from digital design group (DDG) and real surgery group (RSG) were collected and analyzed. In DDG, the...

journal_title：Australasian physical & engineering sciences in medicine

authors： Xu J,Zhang G,He Z,Zhong S,Chen Y,Wei C,Zheng Y,Lin H,Li W,Huang W

更新日期：2019-10-22 00:00:00