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Technology and Health Care: Official Journal of the European Society for Engineering and Medicine

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https://www.readbyqxmd.com/read/28506004/relationships-between-geometrical-parameters-and-mechanical-properties-for-a-helical-braided-flow-diverter-stent
#1
Takashi Suzuki, Hiroyuki Takao, Soichiro Fujimura, Chihebeddine Dahmani, Toshihiro Ishibashi, Hiroya Mamori, Naoya Fukushima, Yuichi Murayama, Makoto Yamamoto
BACKGROUND: Although flow diversion is a promising procedure for aneurysm treatment, the safety and efficacy of this strategy have not been sufficiently characterized. Both mechanical properties and flow reduction effects are important factors in the design of an optimal stent. OBJECTIVE: We aimed to clarify the contributions of strut size and pitch to the mechanical properties (radial stiffness and longitudinal flexibility) and geometric characteristics (porosity and pore density) related to flow reduction effects...
May 1, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28482645/influence-of-radiofrequency-kyphoplasty-on-pulmonary-function
#2
Simon J Greven, Rahel Bornemann, Philip P Roessler, Yorck Rommelspacher, Sönke P Frey, Tom R Jansen, Kirsten Sander, Dieter C Wirtz, Robert Pflugmacher
BACKGROUND: Vertebral compression fractures (VCF) change the natural spinal alignment and inevitably lead to a decreased quality of life. OBJECTIVE: The aim of the study was to evaluate changes in pulmonary function after VCF were treated by radiofrequency kyphoplasty (RF-TVA). METHODS: Twenty-five patients were treated with RF-TVA and analyzed in 3 subgroups taking into account the spinal location of the VCF. Pain as measured by visual analogue scale (VAS), Oswestry-Disability-Index (ODI), vertebral height, forced expiratory volume in 1 second (FEV1), and peak expiratory flow (PEF) were assessed before, directly after and 30 days after RF-TVA...
April 28, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436408/design-of-a-smart-ecg-garment-based-on-conductive-textile-electrode-and-flexible-printed-circuit-board
#3
Zhipeng Cai, Kan Luo, Chengyu Liu, Jianqing Li
A smart electrocardiogram (ECG) garment system was designed for continuous, non-invasive and comfortable ECG monitoring, which mainly consists of four components: Conductive textile electrode, garment, flexible printed circuit board (FPCB)-based ECG processing module and android application program. Conductive textile electrode and FPCB-based ECG processing module (6.8 g, 55 mm × 53 mm × 5 mm) are identified as two key techniques to improve the system's comfort and flexibility. Preliminary experimental results verified that the textile electrodes with circle shape, 40 mm size in diameter, and 5 mm thickness sponge are best suited for the long-term ECG monitoring application...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436407/design-of-a-pulsatile-dc-electromagnetic-blood-pump-for-ecmo
#4
Jingjing Liu, Bin Ge, Tong Lu
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) has developed rapidly and become a significant treatment for emergency. Current blood pumps for ECMO have different disadvantages. OBJECTIVE: To design a pulsatile DC electromagnetic blood pump for ECMO. METHODS: The design is presented with a driving principle which the rectilinear reciprocation of a magnet inside energized solenoids is implemented, and with a structure of solenoids with compensation coils...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436406/questionnaire-based-evaluation-of-mobile-phone-interference-with-medical-electrical-equipment-in-swedish-hospitals
#5
Stig Wiinberg, Göran Samuelsson, Stefan Larsson, Barbro Nilsson, Patrik X Jönsson, Bodil Ivarsson, Per-Åke Olofsson
National recommendations in Sweden recommend a safety distance of 3 m between mobile phones and medical-electrical (ME) equipment in hospitals. A questionnaire was used to investigate how often mobile phones were reported to interfere with ME products in clinical practice across Sweden. The results confirmed that ME equipment can be affected by mobile phone use but, the risk of the patient's outcome being affected were minimal; no cases were identified which led to injury or death. In conclusion, the results support recommendations for a general safety distance of 0...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436405/a-comparison-of-methods-for-three-class-mammograms-classification
#6
Marina Milosevic, Zeljko Jovanovic, Dragan Jankovic
BACKGROUND: Mammography is considered the gold standard for early breast cancer detection but it is very difficult to interpret mammograms for many reason. Computer aided diagnosis (CAD) is an important development that may help to improve the performance in breast cancer detection. OBJECTIVE: We present a CAD system based on feature extraction techniques for detecting abnormal patterns in digital mammograms. METHODS: Computed features based on gray-level co-occurrence matrices (GLCM) are used to evaluate the effectiveness of textural information possessed by mass regions...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436401/effects-of-amplitude-and-phase-duration-modification-on-electrically-induced-contraction-force-and-discomfort
#7
Shmuel Springer, Maxim Shapiro
BACKGROUND: Neuromuscular electrical stimulation (NMES) is commonly used in rehabilitation. However, the optimal combination of phase-duration and amplitude for enhancing motor output is not yet resolved. OBJECTIVE: To test the effects of increasing phase-duration and amplitude on isometric knee extension force and discomfort, while controlling the effects of electrode-skin resistance and body mass index (BMI). METHODS: Twenty-one healthy volunteers participated in the study...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436399/identification-of-patients-with-preeclampsia-from-normal-subjects-using-wavelet-based-spectral-analysis-of-heart-rate-variability
#8
A Hossen, A Barhoum, D Jaju, V Gowri, K Al-Hashmi, M O Hassan, L Al-Kharusi
BACKGROUND: The spectral analysis of the heart rate variability (HRV) shows a decrease in the power of the high frequency (HF) component in preeclamptic pregnancy compared with normal pregnancy; such a decrease is associated with an increase in the low frequency (LF) and the very low frequency (VLF) power. The physiological interpretation is that preeclamptic pregnancy is associated with a facilitation of sympathetic regulation and an attenuation of parasympathetic influence of HR compared with non-pregnancy and normal pregnancy...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436398/effects-of-dose-and-duration-of-robot-assisted-gait-training-on-walking-ability-of-children-affected-by-cerebral-palsy
#9
Elisabetta Peri, Anna Carla Turconi, Emilia Biffi, Cristina Maghini, Daniele Panzeri, Roberta Morganti, Alessandra Pedrocchi, Chiara Gagliardi
BACKGROUND: Robot-Assisted Gait Training (RAGT) is a widespread approach for locomotion rehabilitation but information about intervention frequency and duration is still lacking. OBJECTIVE: To evaluate the effect of frequency and duration of a RAGT on motor outcome of children affected by Cerebral Palsy (CP). METHODS: Forty-four CP children (age 4-17) underwent one among four different intensive trainings with equal dose of intervention, combining Task-Oriented Physiotherapy (TOP) and RAGT: 40 sessions (4 sessions/week) over 10 weeks of sole TOP (group1) or RAGT (group2) or RAGT and TOP (2 + 2 sessions/week; group3); 40 sessions in shorter period (4 weeks) of RAGT and TOP (5 + 5 sessions/week; group4)...
April 7, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436397/reduced-culture-time-and-improved-isolation-rate-through-culture-of-sonicate-fluid-in-blood-culture-bottles
#10
Viktor Janz, Andrej Trampuz, Carsten F Perka, Georgi I Wassilew
BACKGROUND AND OBJECTIVE: The aim of this study was to investigate if the cultivation of sonicate fluid (SFC) in blood culture bottles (BCB) leads to a higher rate of bacterial isolations than agar plate culture (APC) and to investigate whether the utilization of BCB leads to a reduction in culture time. METHODS: We performed a retrospective analysis of 206 revision total knee and total hip arthroplasty patients comparing the results of both synovial fluid culture and SFC in both BCB and conventional APC...
April 7, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28128775/clinical-judgment-research-on-economic-topics-role-of-congruence-of-tasks-in-clinical-practice
#11
Christine C Huttin
This paper discusses what can ensure the performance of judgment studies with an information design that integrates economics of medical systems, in the context of digitalization of healthcare. It is part of a series of 5 methodological papers on statistical procedures and problems to implement judgment research designs and decision models, especially to address cost of care, and ways to measure conversation on cost of care between physicians and patients, with unstructured data such as economic narratives to complement billing and financial information (e...
January 20, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28128773/hip-and-knee-effects-after-implantation-of-a-drop-foot-stimulator
#12
Daiwei Yao, Matthias Lahner, Eike Jakubowitz, Anna Thomann, Sarah Ettinger, Yvonne Noll, Christina Stukenborg-Colsman, Kiriakos Daniilidis
BACKGROUND: An active ankle dorsiflexion is essential for a proper gait pattern. If there is a failure of the foot lifting, considerable impairments occur. The therapeutic effect of an implantable peroneus nerve stimulator (iPNS) for the ankle dorsiflexion is already approved by recent studies. However, possible affection for knee and hip motion after implantation of an iPNS is not well described. OBJECTIVE: The objective of this retrospective study was to examine with a patient cohort whether the use of iPNS induces a lower-extremity flexion withdrawal response in the form of an increased knee and hip flexion during swing phase...
January 20, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28128774/smart-cloud-system-with-image-processing-server-in-diagnosing-brain-diseases-dedicated-for-hospitals-with-limited-resources
#13
Fahmi Fahmi, Tigor H Nasution
The use of medical imaging in diagnosing brain disease is growing. The challenges are related to the big size of data and complexity of the image processing. High standard of hardware and software are demanded, which can only be provided in big hospitals. Our purpose was to provide a smart cloud system to help diagnosing brain diseases for hospital with limited infrastructure. The expertise of neurologists was first implanted in cloud server to conduct an automatic diagnosis in real time using image processing technique developed based on ITK library and web service...
January 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28128772/professionalism-social-media-and-the-orthopaedic-surgeon-what-do-you-have-on-the-internet
#14
Trevor Call, Ronald Hillock
BACKGROUND: Unprofessional conduct is detrimental to the Orthopaedic Surgery profession. Currently, no formal guidelines exist to define online professionalism other than the protection of patient confidentiality. OBJECTIVE: This study will extract a random but statistically significant number of practicing Orthopaedic Surgeons and review their online postings. METHODS: We observed the Internet content posted by 1,021 Orthopaedic Surgeons that were randomly selected from the American Academy of Orthopaedic Surgeons 2013 member directory...
January 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28106574/walking-ability-of-spinal-cord-injury-individuals-how-to-improve-it
#15
Morteza Sadeghi, Gholam Hussein Ghasemi, Mohammad Taghi Karimi
BACKGROUND: Subjects with Spinal Cord Injury (SCI) should use various assistive devices to stand and walk. Unfortunately they suffer from slow walking speed, high energy consumption, and too much force applied on upper limb while walking. The aim of this study was to determine the gap between the gait performance of SCI and normal subjects to conclude how the performance of SCI can be improved. METHOD: Three groups of SCI walked with orthosis, SCI walked without orthosis, and normal subjects were recruited in this study...
January 13, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28106573/effects-of-strengthening-exercise-integrated-repetitive-transcranial-magnetic-stimulation-on-motor-function-recovery-in-subacute-stroke-patients-a-randomized-controlled-trial
#16
Hyun Gyu Cha, Myoung Kwon Kim
OBJECTIVE: To investigate the effects of strengthening exercise integrated repetitive transcranial magnetic stimulation (rTMS) on motor function recovery in subacute stroke patients. SUBJECTS AND METHODS: Thirty subacute stroke patients were randomly assigned to three groups: an ankle strengthening exercise group (group I), ankle strengthening exercise integrated rTMS group (group II), or an rTMS group (control group (CG)). Study subjects received therapy five days per week for eight weeks...
January 13, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28085021/evaluation-of-the-scattered-radiations-of-lead-and-lead-free-aprons-in-diagnostic-radiology-by-mcnpx
#17
Mansour Tayebi, Fatemeh Shekoohi Shooli, Mahdi Saeedi-Moghadam
BACKGROUND: Over the past few years, because of high attenuation and lightweight, non-toxic, lead-free aprons (LFAs) have been replaced by lead aprons (LAs). Lots of studies declared that this fact was based on the interactions of diagnostic X-ray with material such as the photoelectric effect (PE) and Compton scattering. These studies have demonstrated that in these types of aprons, due to the presence of different K-edge absorption, PE has a wide absorption in various metals with divers K-edges...
January 3, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28085020/development-of-a-mobile-application-of-breast-cancer-e-support-program-for-women-with-breast-cancer-undergoing-chemotherapy
#18
Jiemin Zhu, Lyn Ebert, Zhimin Xue, Qu Shen, Sally Wai-Chi Chan
BACKGROUND: Women with breast cancer undergoing chemotherapy experience a variety of physical and psychosocial symptoms, which have negative effect on women's quality of life and psychological well-being. Although M-health technologies provides innovative and easily accessible option to provide psychosocial support, mobile phone based interventions remain limited for these women in China. OBJECTIVE: To develop a new mobile application to offer information as well as social and emotional support to women with breast cancer undergoing chemotherapy to promote their self-efficacy and social support, thus improving symptom management strategies...
January 3, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28387686/testing-of-mechanical-ventilators-and-infant-incubators-in-healthcare-institutions
#19
Almir Badnjevic, Lejla Gurbeta, Elvira Ruiz Jimenez, Ernesto Iadanza
The medical device industry has grown rapidly and incessantly over the past century. The sophistication and complexity of the designed instrumentation is nowadays rising and, with it, has also increased the need to develop some better, more effective and efficient maintenance processes, as part of the safety and performance requirements. This paper presents the results of performance tests conducted on 50 mechanical ventilators and 50 infant incubators used in various public healthcare institutions. Testing was conducted in accordance to safety and performance requirements stated in relevant international standards, directives and legal metrology policies...
2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28387685/investigation-of-heart-rate-variability-of-patients-undergoing-coronary-artery-bypass-grafting-cabg
#20
A Hossen, D Jaju, M Al-Abri, H Al-Sabti, M Mukaddirov, M Hassan, K Al-Hashmi
BACKGROUND: Myocardial revascularization by coronary artery bypass grafting (CABG) is an effective measure for reducing symptoms and mortality in patients with unstable or severe coronary artery disease (CAD). Autonomic function can be estimated non-invasively using heart rate variability (HRV). HRV of patients undergoing CABG is investigated before and after CABG using a soft-decision wavelet based spectral analysis. OBJECTIVE: The main purpose of this work is to evaluate non-invasively HRV in patients undergoing CABG before operation; and to monitor the status of patients through HRV investigation on day 6 and day 30 after the CABG operation...
2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
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