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https://www.readbyqxmd.com/read/28227920/in-vitro-evaluation-of-the-long-term-stability-of-pedot-pss-coated-microelectrodes-for-chronic-recording-and-electrical-stimulation-of-neurons
#1
A Schander, T Tesmann, S Strokov, H Stemmann, A K Kreiter, W Lang, A Schander, T Tesmann, S Strokov, H Stemmann, A K Kreiter, W Lang, A K Kreiter, W Lang, A Schander, H Stemmann, S Strokov
For the chronic application of neural prostheses long-term stable microelectrodes for electrical stimulation are essential. In recent years many developments were done to investigate different appropriate materials for these electrodes. One of these materials is the electrical conductive polymer PEDOT, which has low impedance and high charge injection capacity. However, the long-term stability of this polymer is still unclear. Thus this paper reports on the in-vitro evaluation of the long-term stability of PEDOT coated gold microelectrodes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227687/characteristic-of-a-force-sensing-guide-wire-for-minimally-invasive-cardiac-surgery
#2
N Stefanova, M Hessinger, T Opitz, R Werthschutzky, N Stefanova, M Hessinger, T Opitz, R Werthschutzky, N Stefanova, M Hessinger, T Opitz
In minimal invasive cardiac surgery (MICS), the surgeon is missing haptic feedback of the guide wire for navigation through the vessels. A wide range of guide wires with various properties and performance characteristics are available to reduce the risk of complications during the intervention. This paper presents a force sensing guide wire for cardiac catheterization, which provides the surgeon a haptic feedback on the guide wire tip. Three conventional wires for the recanalization of chronic total coronary occlusions (CTO) are investigated and general design requirements for the force sensing guide wire are determined...
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
#3
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/28226337/immunoassay-based-drug-tests-are-inadequately-sensitive-for-medication-compliance-monitoring-in-patients-treated-for-chronic-pain
#4
Marion L Snyder, Corrine R Fantz, Stacy Melanson
BACKGROUND: Enzyme immunoassays (EIA) have notable limitations for monitoring therapeutic compliance in pain management. Chromatography coupled with mass spectrometry provides definitive results and superior sensitivity and specificity over traditional EIA testing. OBJECTIVE: To analyze and compare the sensitivity of EIA results together with known prescriptions to liquid chromatography-tandem mass spectrometry (LC-MS/MS) for monitoring drug use (and abuse) in patients treated for chronic pain...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28226322/chronic-administration-of-rosa-canina-hydro-alcoholic-extract-attenuates-depressive-like-behavior-and-recognition-memory-impairment-in-diabetic-mice-a-possible-role-of-oxidative-stress
#5
Ramin Farajpour, Saeed Sadigh-Eteghad, Nahid Ahmadian, Mohammad Farzipour, Javad Mahmoudi, Alireza Majdi
OBJECTIVE: This study was designed to evaluate whether or not chronic Rosa Canina (RC) extract administration could improve recognition memory and depressive-like behaviour in diabetic mice. MATERIALS AND METHODS: Seventy-five (75) male Albino mice (25-30 g) were randomly divided into five groups (15 in each group). A single intraperitoneal (ip) injection of 200 mg/kg streptozotocin (STZ) was administered to the mice to induce diabetes. The control group received normal saline, and the diabetic groups received normal saline or 50, 250 and 500 mg/kg of RC extract for 28 days...
February 22, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28226032/risk-of-vertebral-fracture-in-patients-diagnosed-with-a-depressive-disorder-a-nationwide-population-based-cohort-study
#6
Shyh-Chyang Lee, Li-Yu Hu, Min-Wei Huang, Cheng-Che Shen, Wei-Lun Huang, Ti Lu, Chiao-Lin Hsu, Chih-Chuan Pan
OBJECTIVE: Previous studies have reported that depression may play a crucial role in the occurrence of vertebral fractures. However, a clear correlation between depressive disorders and osteoporotic fractures has not been established. We explored the association between depressive disorders and subsequent new-onset vertebral fractures. Additionally, we aimed to identify the potential risk factors for vertebral fracture in patients with a depressive disorder. METHODS: We studied patients listed in the Taiwan National Health Insurance Research Database who were diagnosed with a depressive disorder by a psychiatrist...
January 1, 2017: Clinics
https://www.readbyqxmd.com/read/28225873/alert-for-bone-alterations-and-low-serum-concentrations-of-vitamin-d-in-patients-with-intestinal-inflammatory-disease
#7
Lorete Maria da Silva Kotze, Carolina Tabata Costa, Murilo Franco Cavassani, Renato Mitsunori Nisihara
BACKGROUND: Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are characterized by chronic inflammation of the intestine that can reduce the absorption of nutrients such as vitamin D and calcium. OBJECTIVE: To investigate bone alterations and serum levels of vitamin D in patients with IBD. METHOD: This was a cross-sectional study based on a review of medical records of patients from a private office in Curitiba, PR, Brazil...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28225832/elevated-bilirubin-levels-are-associated-with-a-better-renal-prognosis-and-ameliorate-kidney-fibrosis
#8
Sehoon Park, Do Hyoung Kim, Jin Ho Hwang, Yong-Chul Kim, Jin Hyuk Kim, Chun Soo Lim, Yon Su Kim, Seung Hee Yang, Jung Pyo Lee
BACKGROUND: Bilirubin has been reported to protect against kidney injury. However, further studies highlighting the beneficial effects of bilirubin on renal fibrosis and chronic renal function decline are necessary. METHODS: We assessed a prospective cohort with a reference range of total bilirubin levels. The primary outcome was a 30% reduction in the estimated glomerular filtration rate (eGFR) from baseline, and the secondary outcome was a doubling of the serum creatinine levels, halving of the eGFR and the initiation of dialysis...
2017: PloS One
https://www.readbyqxmd.com/read/28225477/mechanical-efficiency-in-chronic-obstructive-pulmonary-disease
#9
Willem Gosens, Alex J Vanʼt Hul, Joost M Oomen, Matthijs K C Hesselink, Lars B Borghouts
PURPOSE: The primary aims of this study were (1) to evaluate whole-body mechanical efficiency (ME) in a large group of chronic obstructive pulmonary disease (COPD) patients with a wide range of degrees of illness and (2) to examine how ME in COPD is related to absolute work rate and indices of disease severity during exercise testing. METHODS: A total of 569 patients (301 male patients; GOLD stage I: 28, GOLD stage II: 166, GOLD stage III: 265, and GOLD stage IV: 110) with chronic obstructive pulmonary disease (COPD) were included in the data analysis...
March 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28225349/temporal-trends-in-chronic-obstructive-pulmonary-disease-mortality-in-mexico-1999-2014
#10
E Hernández-Garduño, H L Ocaña-Servín
SETTING: Country of Mexico. OBJECTIVE: To determine mortality trends due to chronic obstructive pulmonary disease (COPD) in Mexico between 1999 and 2014. DESIGN: COPD mortality data for persons aged ≥40 years from 1999 to 2014 were obtained from the official website of the Mexican Ministry of Health. Age-standardised mortality rates (ASMRs) were calculated, and joinpoint regression analysis was used to identify trends over time. The annual per cent change (APC) was determined for each trend...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28225235/-multiple-sclerosis-a-mitochondria-mediated-disease
#11
Kristin N Varhaug, Christian A Vedeler, Charalampos Tzoulis, Laurence A Bindoff
BACKGROUND Mitochondria play an important role in the pathogenesis of various neurodegenerative disorders, including Parkinson's disease. Neurodegenerative changes occur early in the course of multiple sclerosis (MS). This article aims to present information on a possible association between mitochondrial dysfunction and multiple sclerosis.MATERIAL AND METHOD The article is based on original and review articles selected following a literature search in PubMed, restricted to articles written in English, and concluded in May 2016...
February 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28225220/efficacy-of-ruscus-extract-hmc-and-vitamin-c-constituents-of-cyclo-3-fort%C3%A2-on-improving-individual-venous-symptoms-and-edema-a-systematic-review-and-meta-analysis-of-randomized-double-blind-placebo-controlled-trials
#12
Stavros K Kakkos, François A Allaert
INTRODUCTION: Venoactive drugs (VADs) are considered an important component of the medical (conservative) treatment of chronic venous disorders (CVDs). However, the efficacy of certain VADs on one or more individual leg symptoms may have not been extensively studied to justify a high level or grade of recommendation in guidelines on CVD. The aim of the present systematic review and meta-analysis was to study the effectiveness of VADs containing Ruscus across the spectrum of defined venous symptoms...
April 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28224771/comparison-of-the-qiagen-artus-hbv-qs-rgq-assay-with-the-roche-cobas-ampliprep-cobas-taqman-hbv-assay-for-quantifying-viral-dna-in-sera-of-chronic-hepatitis-b-patients
#13
Mi Soon Han, Yongjung Park, Hyunjin Nah, Hyon Suk Kim
BACKGROUND: Hepatitis B virus DNA quantification is essential for managing chronic hepatitis B (CHB). We compared the performance of artus HBV QS-RGQ (QIAGEN GmbH, Germany) and CAP/CTM v2.0 HBV assays (Roche Molecular Diagnostics, USA) in CHB patients. METHODS: A comparative evaluation between two assays was performed with 508 clinical serum samples. Precision, linearity, and the limit of detection (LOD) of QS-RGQ assay was evaluated by using the WHO standard 97/750 and clinical samples...
May 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28224472/effects-of-weight-reduction-after-sleeve-gastrectomy-on-metabolic-variables-in-saudi-obese-subjects-in-aseer-province-of-kingdom-of-saudi-arabia
#14
Mohammed A Bawahab, Abdullah S Assiri, Walid Abdel Maksoud, Ayyub Patel, Osama Kadoumi, Gaffar Sarwar Zaman, Riyad Mohammed Khalil Alessih, Syed Saleem Haider
OBJECTIVES: The objectives of this study were to investigate the occurrence of oxidative stress, status of protective antioxidants enzymes, inflammatory biomarkers, and some metabolic health variables in the blood and to compare the results between those of the normal controls and obese patients submitted to sleeve gastrectomy-induced weight loss over a 1-year follow-up period. MATERIALS AND METHODS: A prospective study was conducted in Aseer Central Hospital and Abha Private Hospital in the Kingdom of Saudi Arabia from January 2012 to January 2013 on 50 normal (BMI = 22-25 kg/m(2)) control subjects and 50 obese (BMI = 45-50 kg/m(2)) patients...
February 21, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28224414/does-the-length-of-disability-between-injury-and-functional-restoration-program-entry-affect-treatment-outcomes-for-patients-with-chronic-disabling-occupational-musculoskeletal-disorders
#15
Sali Asih, Randy Neblett, Tom G Mayer, Robert J Gatchel
Purpose Functional restoration programs (FRPs), for patients with chronic disabling occupational musculoskeletal disorders (CDOMDs), have consistently demonstrated positive socioeconomic treatment outcomes, including decreased psychosocial distress and increased work return. The pre-treatment length of disability (LOD), or time between injury and treatment admission, has been shown to influence FRP work outcomes. Some studies have found that shorter LOD is associated with better work outcomes. However, few studies have actually examined cohorts with LOD duration longer than 18 months...
February 21, 2017: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/28224265/effect-of-serum-albumin-on-the-prognosis-of-elderly-patients-with-stage-3-4-chronic-kidney-disease
#16
Hongru Fan, Jihong Yang, Lili Liu, Yu Qiao, Meng Wang, Lei Qiu, Hong Shi, Huan Xi, Yao Wang
OBJECTIVE: To investigate the influence of serum albumin on the prognosis of elderly patients with stage 3-4 chronic kidney disease (CKD). METHODS: From July 2013 to November 2015, elderly CKD patients (≥60 years), with eGFR ≥15 mL/min/1.73 m(2) and <60 mL/min/1.73 m(2), with CKD stage 3-4 in the geriatric nephrology clinic were enrolled. General information and underlying diseases were recorded. Laboratory indices were evaluated. Composite endpoint events (CEE) including renal endpoint events, cardiocerebral vascular endpoint events, and death were elucidated...
February 21, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28224233/decrease-in-small-pulmonary-vessels-on-chest-computed-tomography-in-light-smokers-without-copd-an-early-change-but-correlated-with-smoking-index
#17
Shinji Saruya, Tsuneo Yamashiro, Shin Matsuoka, Shoichiro Matsushita, Kunihiro Yagihashi, Yasuo Nakajima
PURPOSE: The aim of this study was to evaluate the relationship between the amount of smoking and the cross-sectional area (CSA) of small pulmonary vessels in light smokers without a diagnosis of chronic obstructive pulmonary disease (COPD). METHODS: This retrospective study was approved by our institutional review board, which waived the need for informed consent from patients. The study included 34 current smokers without COPD, who were defined as light smokers based on their smoking history (≤25 pack years)...
February 21, 2017: Lung
https://www.readbyqxmd.com/read/28224048/wound-penetration-of-cefazolin-ciprofloxacin-piperacillin-tazobactam-and-vancomycin-during-negative-pressure-wound-therapy
#18
Matthew P Rowan, Krista L Niece, Julie A Rizzo, Kevin S Akers
Objective: Negative pressure wound therapy (NPWT) uses subatmospheric pressure as a noninvasive adjunct to treat wounds and has demonstrated clinical efficacy by accelerating healing of a variety of acute and chronic wounds. NPWT may also play a role in preventing or treating wound infections, possibly by increasing wound penetration of antibiotics. However, clinical data in patients undergoing antibiotic and NPWT treatment are limited. Approach: To evaluate the wound penetration of antibiotics in NPWT patients, we conducted a prospective, observational study of burn and trauma patients treated with NPWT and systemic antibiotics...
February 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28223842/development-of-a-novel-algorithm-to-determine-adherence-to-chronic-pain-treatment-guidelines-using-administrative-claims
#19
Jay M Margolis, Nicole Princic, David M Smith, Lucy Abraham, Joseph C Cappelleri, Sonali N Shah, Peter W Park
OBJECTIVE: To develop a claims-based algorithm for identifying patients who are adherent versus nonadherent to published guidelines for chronic pain management. METHODS: Using medical and pharmacy health care claims from the MarketScan® Commercial and Medicare Supplemental Databases, patients were selected during July 1, 2010, to June 30, 2012, with the following chronic pain conditions: osteoarthritis (OA), gout (GT), painful diabetic peripheral neuropathy (pDPN), post-herpetic neuralgia (PHN), and fibromyalgia (FM)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28223840/gross-and-fine-motor-function-in-fibromyalgia-and-chronic-fatigue-syndrome
#20
Omid Rasouli, Egil A Fors, Petter Chr Borchgrevink, Fredrik Öhberg, Ann-Katrin Stensdotter
PURPOSE: This paper aimed to investigate motor proficiency in fine and gross motor function, with a focus on reaction time (RT) and movement skill, in patients with fibromyalgia (FM) and chronic fatigue syndrome (CFS) compared to healthy controls (HC). METHODS: A total of 60 individuals (20 CFS, 20 FM, and 20 HC), age 19-49 years, participated in this study. Gross motor function in the lower extremity was assessed using a RT task during gait initiation in response to an auditory trigger...
2017: Journal of Pain Research
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