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https://www.readbyqxmd.com/read/28231692/risk-and-characteristics-of-postcolonoscopy-interval-colorectal-cancer-after-a-positive-fecal-test-a-nationwide-population-based-study-in-korea
#1
Chang Kyun Lee, Kui Son Choi, Chang Soo Eun, Dong-Il Park, Dong Soo Han, Minjoo Yoon, Mina Suh, Jae Kwan Jun
Purpose: Fecal tests remain a mainstay of population-based colorectal cancer (CRC) screening programs worldwide. However, data on interval CRC (iCRC) arising after follow-up colonoscopy of a positive fecal test are scarce. We conducted a nationwide population-based study to reveal the risk and characteristics of iCRC in this setting. Materials and Methods: We searched the National Cancer Screening Program for CRC database in Korea (2005-2010). Incidence of iCRC within the program was estimated, then Cox proportional-hazards regression analysis was performed to determine the independent predictors of iCRC...
February 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28231665/-prognosis-and-related-risk-factors-for-465-subjects-infected-with-hepatitis-c-virus-in-danyang-jiangsu-province
#2
K Xu, C C Bao, J Wang, L G Zhu, J F Xu, H Peng, X J Zhai
Objective: To investigate the clinical features and viral load of persons infected with HCV and the risk factors for severe outcomes. Methods: Medical testing and questionnaire survey were conducted on 465 cases who were infected with HCV, 20-30 years back. HCV RNA, alanine transaminase (ALT), aspartate transaminase (AST), albumin, globulin and bilirubin were tested for these subjects. Factors as demography, tobacco and alcohol consumption, SNP of rs7453920 and rs2856718 on HLA-DQ gene of subjects with HCV RNA, were analyzed by multiple logistic regression method to explore the risk factors for severe outcomes among the patients...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231601/early-age-at-first-sexual-intercourse-is-associated-with-higher-prevalence-of-high-grade-squamous-intraepithelial-lesions-hsil
#3
José Cândido Caldeira Xavier-Júnior, Rozany Mucha Dufloth, Diama Bhadra Vale, Marcelo Tavares de Lima, Luiz Carlos Zeferino
Objective To evaluate the association of age at first sexual intercourse with the results of the cervicovaginal cytology. Study Design Observational analytical study about the prevalence of altered cervicovaginal cytology results in women aged between 18 and 34 years from a densely populated area in Brazil, during 10 years. The patients were stratified into 2 categories according to their age at first sexual intercourse (13-16 years and 17-24 years). Results From the total of 2,505,154 exams, 898,921 tests were in accordance with the inclusion criteria...
February 23, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28231322/clinical-evaluation-of-new-automatic-coronary-specific-best-cardiac-phase-selection-algorithm-for-single-beat-coronary-ct-angiography
#4
Hui Wang, Lei Xu, Zhanming Fan, Junfu Liang, Zixu Yan, Zhonghua Sun
The aim of this study was to evaluate the workflow efficiency of a new automatic coronary-specific reconstruction technique (Smart Phase, GE Healthcare-SP) for selection of the best cardiac phase with least coronary motion when compared with expert manual selection (MS) of best phase in patients with high heart rate. A total of 46 patients with heart rates above 75 bpm who underwent single beat coronary computed tomography angiography (CCTA) were enrolled in this study. CCTA of all subjects were performed on a 256-detector row CT scanner (Revolution CT, GE Healthcare, Waukesha, Wisconsin, US)...
2017: PloS One
https://www.readbyqxmd.com/read/28231244/unexpectedly-high-leprosy-seroprevalence-detected-using-a-random-surveillance-strategy-in-midwestern-brazil-a-comparison-of-elisa-and-a-rapid-diagnostic-test
#5
Marco Andrey C Frade, Natália A de Paula, Ciro M Gomes, Sebastian Vernal, Fred Bernardes Filho, Helena B Lugão, Marilda M M de Abreu, Patrícia Botini, Malcolm S Duthie, John S Spencer, Rosa Castália F R Soares, Norma T Foss
BACKGROUND: Leprosy diagnosis is mainly based on clinical evaluation, although this approach is difficult, especially for untrained physicians. We conducted a temporary campaign to detect previously unknown leprosy cases in midwestern Brazil and to compare the performance of different serological tests. METHODS: A mobile clinic was stationed at the main bus terminal in Brasília, Brazil. Volunteers were quizzed and given a clinical exam to allow categorization as either patients, known contacts of patients or non-contacts, and blood was collected to determine anti-PGL-I and anti-LID-1 antibody titers by ELISA and by the NDO-LID rapid test...
February 23, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28230714/assessment-of-skeletal-tumour-burden-on-18f-naf-pet-ct-using-a-new-quantitative-method
#6
Paula Lapa, Margarida Marques, Gracinda Costa, Andrei Iagaru, João Pedroso de Lima
PURPOSE: The purpose of this study was to test a method of quantifying skeletal tumour burden with F-NaF PET/CT. PATIENTS AND METHODS: We retrospectively reviewed the charts of 117 patients who underwent F-NaF PET/CT for the detection of bone metastases, 68 women and 49 men, 16-82 years old (mean±SD: 62.9±10.7 years). Mean standardized uptake values (SUVmean) were measured in five anatomic sites to evaluate normal skeleton activity. The influence of sex and age was investigated...
February 22, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28228848/brazilian-dietary-patterns-and-the-dietary-approaches-to-stop-hypertension-dash-diet-relationship-with-metabolic-syndrome-and-newly-diagnosed-diabetes-in-the-elsa-brasil-study
#7
Michele Drehmer, Andrew O Odegaard, Maria Inês Schmidt, Bruce B Duncan, Letícia de Oliveira Cardoso, Sheila M Alvim Matos, Maria Del Carmen B Molina, Sandhi M Barreto, Mark A Pereira
BACKGROUND: Studies evaluating dietary patterns, including the DASH diet, and their relationship with the metabolic syndrome and diabetes may help to understand the role of dairy products (low fat or full fat) in these conditions. Our aim is to identify dietary patterns in Brazilian adults and compare them with the (DASH) diet quality score in terms of their associations with metabolic syndrome and newly diagnosed diabetes in the Brazilian Longitudinal Study of Adult Health-the ELSA-Brasil study...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28228793/craniofacial-fibrous-dysplasia-report-of-a-case-with-diverse-radiological-spectrum
#8
Silky Rajesh Punyani, Saurabh Srivastava, Vishal Ramesh Jasuja
A young male of Asian-Indian ethnicity reported with a complaint of a painless, slow growing swelling over the left side of lower jaw. A thorough clinical history was taken and detailed radiological exam performed. The conventional radiographic examination revealed a mixed radiolucent-radiopaque lesion with unique appearances on different radiographs. Additional computed tomographic examination discovered the involvement of several bones in the skull base. Subsequent to histopathological confirmation a final diagnosis of craniofacial fibrous dysplasia was made...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228792/malabsorption-syndrome-as-a-rare-cause-of-nephrocalcinosis
#9
Rui Abreu, Cláudia Bento, Luís Oliveira, Teresa Morgado
Nephrocalcinosis is characterized by calcification of kidney parenchyma and can be caused by an increased amount of calcium, phosphate or oxalate in urinary excretion. We report a 35-year-old female with nephrocalcinosis. She had fitful steatorrhea since last year. Physical examination was normal. Analytic exams found normal renal function and ionogram. Primary hyperparathyroidism, renal tubular acidosis and sarcoidosis were excluded. Urinalysis showed mild hematuria, without proteinuria and 24-hour urine collection exhibited hyperoxaluria...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28227879/wearable-diagnostic-system-for-age-related-macular-degeneration
#10
N Mohaghegh, E Ghafar Zadeh, S Magierowski, N Mohaghegh, E Ghafar Zadeh, S Magierowski, N Mohaghegh, E Ghafar Zadeh, S Magierowski
This paper presents a novel head-mounted point-of-care diagnostic system for detection and continuous monitoring of Age-related Macular Degeneration (AMD). This wearable embedded open-source platform enables accurate monitoring of AMD by taking advantage of multiple standard graphical interface techniques such as Amsler Grid, Threshold Amsler Grid, Macular Computerized Psychophysical Test and Preferential Hyperacuity Perimeter (PHP). Here, we describe the proposed multi-Grid or so-called NGRID software and elaborate on the hardware prototype...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227781/measuring-the-intuitive-response-of-users-when-faced-with-different-interactive-paradigms-to-control-a-gastroenterology-cad-system
#11
D Abrantes, P Gomes, D Pereira, M Coimbra, D Abrantes, P Gomes, D Pereira, M Coimbra, D Pereira, D Abrantes, P Gomes, M Coimbra
The gastroenterology specialty could benefit from the introduction of Computer Assisted Decision (CAD) systems, since gastric cancer is a serious concern in which an accurate and early diagnosis usually leads to a good prognosis. Still, the way doctors interact with these systems is very important because it will often determine its embracement or rejection, as any gains in productivity will frequently hinge on how comfortable they are with it. Using other types of interaction paradigms such as voice and motion control, is important in a way that typical inputs such as keyboard and mouse are sometimes not the best choice for certain clinical scenarios...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227769/identifying-the-effects-of-visceral-interoception-on-human-brain-connectome-a-multivariate-analysis-of-covariance-of-fmri-data
#12
Behnaz Jarrahi, Dante Mantini, Behnaz Jarrahi, Dante Mantini, Behnaz Jarrahi, Dante Mantini
Sources of variations in the neural circuitry of the human brain and interrelationship between intrinsic connectivity networks (ICNs) are still a matter of debate and ongoing research. Here, we applied a multivariate analysis of covariance (MANCOVA) based on high-dimensional independent component analysis (ICA) to identify the effects of interoception and related variables on human brain connectome. Fifteen healthy right-handed subjects (all females, age range 21 - 48 years; mean age = 30.3, SD = 8.7 years) underwent a blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) that included continuous intravesical saline infusion and drainage...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227729/high-frame-rate-medical-quality-video-compression-for-tele-eeg
#13
Laurent Lambert, Syed Zahid Ahmed, Khalil Hachicha, Andrea Pinna, Patrick Garda, Laurent Lambert, Syed Zahid Ahmed, Khalil Hachicha, Andrea Pinna, Patrick Garda, Syed Zahid Ahmed, Andrea Pinna, Laurent Lambert, Patrick Garda, Khalil Hachicha
More and more, exams require medical images as a tool to diagnose pathologies. Thus, the transfer and storage of the exam data becomes a critical issue. To address this issue, an image compression algorithm called Waaves has been developed and certified for medical imaging. Our work in this paper deals with a scenario of EEG exams where video of the patient is also recorded in order to correctly diagnose myoclonus pathologies. To achieve this goal, the video needs to be of high quality and at frame rate of at least 100 frames per second...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227728/comparison-between-users-of-a-new-methodology-for-heart-sound-auscultation
#14
Ana Castro, Pedro Gomes, Sandra S Mattos, Miguel T Coimbra, Ana Castro, Pedro Gomes, Sandra S Mattos, Miguel T Coimbra, Ana Castro, Sandra S Mattos, Pedro Gomes, Miguel Y Coimbra
Auscultation is a routine exam and the first line of screening in heart pathologies. The objective of this study was to assess if using a new data collection system, the DigiScope Collector, with a guided and automatic annotation of heart auscultation, different levels of expertise/experience users could collect similar digital auscultations. Data were collected within the Heart Caravan Initiative (Paraíba, Brasil). Patients were divided into two study groups: Group 1 evaluated by a third year medical student (User 1), and an experienced nurse (User 2); Group 2 evaluated by User 2 and an Information Technology professional (User 3)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227727/the-effect-of-data-exchange-protocols-on-decision-support-systems-for-heart-sounds
#15
P Gomes, S Faria, M Coimbra, P Gomes, S Faria, M Coimbra, P Gomes, S Faria, M Coimbra
Heart auscultation is one of the basic exams performed during a patient physical examination, but it is also one that has a high skill ceiling. Decision support systems can provide physicians with a tool that can help to reduce the demanding skill requirements of this exam. Nevertheless, this second opinion needs to be delivered in a timely interval in order to be truly useful for a physician. To do this we need not only optimized algorithms, but also a well designed system. In this paper, we have studied how two different data exchange protocols, that define how data should be transferred from an acquisition to a process module, can impact the celerity of delivering second opinion to a physician...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227483/a-real-time-remote-video-streaming-platform-for-ultrasound-imaging
#16
Mehdi Ahmadi, Warren J Gross, Samuel Kadoury, Mehdi Ahmadi, Warren J Gross, Samuel Kadoury, Samuel Kadoury, Warren J Gross, Mehdi Ahmadi
Ultrasound is a viable imaging technology in remote and resources-limited areas. Ultrasonography is a user-dependent skill which depends on a high degree of training and hands-on experience. However, there is a limited number of skillful sonographers located in remote areas. In this work, we aim to develop a real-time video streaming platform which allows specialist physicians to remotely monitor ultrasound exams. To this end, an ultrasound stream is captured and transmitted through a wireless network into remote computers, smart-phones and tablets...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227014/random-forests-to-predict-tumor-recurrence-following-cervical-cancer-therapy-using-pre-and-per-treatment-18-f-fdg-pet-parameters
#17
Geoffrey Roman-Jimenez, Oscar Acosta, Julie Leseur, Anne Devillers, Henri Der Sarkissian, Lina Guzman, Eloi'se Grossiord, Juan-David Ospina, Renaud De Crevoisier, Geoffrey Roman-Jimenez, Oscar Acosta, Julie Leseur, Anne Devillers, Henri Der Sarkissian, Lina Guzman, Eloi'se Grossiord, Juan-David Ospina, Renaud De Crevoisier, Oscar Acosta, Julie Leseur, Juan-David Ospina, Geoffrey Roman-Jimenez, Henri Der Sarkissian, Renaud De Crevoisier, Anne Devillers, Eloise Grossiord, Lina Guzman
The ability to predict tumor recurrence after chemoradiotherapy of locally advanced cervical cancer is a crucial clinical issue to intensify the treatment of the most high-risk patients. The objective of this study was to investigate tumor metabolism characteristics extracted from pre- and per-treatment (18)F-FDG PET images to predict 3-year overall recurrence (OR). A total of 53 locally advanced cervical cancer patients underwent pre- and per-treatment (18)F-FDG PET (respectively PET1 and PET2). Tumor metabolism was characterized through several delineations using different thresholds, based on a percentage of the maximum uptake, and applied by region-growing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227009/a-machine-learning-framework-for-auto-classification-of-imaging-system-exams-in-hospital-setting-for-utilization-optimization
#18
Meru A Patil, Ravindra B Patil, P Krishnamoorthy, Jacob John, Meru A Patil, Ravindra B Patil, P Krishnamoorthy, Jacob John, Meru A Patil, Jacob John, Ravindra B Patil, P Krishnamoorthy
In clinical environment, Interventional X-Ray (IXR) system is used on various anatomies and for various types of the procedures. It is important to classify correctly each exam of IXR system into respective procedures and/or assign to correct anatomy. This classification enhances productivity of the system in terms of better scheduling of the Cath lab, also provides means to perform device usage/revenue forecast of the system by hospital management and focus on targeted treatment planning for a disease/anatomy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225908/intimate-partner-violence-reported-by-female-and-male-users-of-healthcare-units
#19
Claudia Renata Dos Santos Barros, Lilia Blima Schraiber
OBJECTIVE: To analyze nonfatal violence suffered and committed by adult men and women, in an intimate relationship. METHODS: The participants in the research were women aged between 15 and 49 years and men between 18 and 60 years, interviewed by face-to-face questionnaire application. The sample selection was of consecutive type, according to the order of arrival of the users. We conducted temporarily independent investigations and covered different health services to avoid couples and relationships in which the retaliation could be overvalued...
February 16, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28225704/the-applicability-of-the-nclex-rn-to-the-canadian-testing-population-a-review-of-regulatory-body-evidence
#20
Jenn Salfi, Barry Carbol
The NCLEX-RN® was adopted by Canadian regulators in 2011 as the test which entry-level nurses must pass in order to be certified to practice. As part of their justification for adopting the exam, the Canadian regulators pointed to two studies conducted by the National Council of State Boards of Nursing (NCSBN). These studies aimed to determine the applicability of the NCLEX-RN® test plan to the Canadian testing population (NCSBN, 2014),with the NCLEX-RN® providing "a fair, valid, and psychometrically sound measurement" of nursing competencies of entry-level RNs in Ontario, Canada (NCSBN, 2012 , p...
January 31, 2017: International Journal of Nursing Education Scholarship
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