keyword
MENU ▼
Read by QxMD icon Read
search

computer assisted

keyword
https://www.readbyqxmd.com/read/28329105/medical-three-dimensional-printing-opens-up-new-opportunities-in-cardiology-and-cardiac-surgery
#1
Thomas Bartel, Andrew Rivard, Alejandro Jimenez, Carlos A Mestres, Silvana Müller
Advanced percutaneous and surgical procedures in structural and congenital heart disease require precise pre-procedural planning and continuous quality control. Although current imaging modalities and post-processing software assists with peri-procedural guidance, their capabilities for spatial conceptualization remain limited in two- and three-dimensional representations. In contrast, 3D printing offers not only improved visualization for procedural planning, but provides substantial information on the accuracy of surgical reconstruction and device implantations...
February 16, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28328842/three-dimensional-printing-and-computer-navigation-assisted-hemipelvectomy-for-en-bloc-resection-of-osteochondroma-a-case-report
#2
Yaqing Zhang, Lianjiang Wen, Jun Zhang, Guoliang Yan, Yue Zhou, Bo Huang
RATIONALE: Three-dimensional (3D) printed templates can be designed to match an individual's anatomy, allowing surgeons to refine preoperative planning. In addition, the use of computer navigation (NAV) is gaining popularity to improve surgical accuracy in the resection of pelvic tumors. However, its use in combination with 3D printing to assist complex pelvic tumor resection has not been reported. PATIENT CONCERNS: A 36-year-old man presented with left-sided pelvic pain and a fast-growing mass...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328253/a-comprehensive-index-for-predicting-risk-of-anemia-from-patients-diagnoses
#3
Matthew G Tuck, Farrokh Alemi, John F Shortle, Sanj Avramovic, Charles Hesdorffer
This article demonstrates how time-dependent, interacting, and repeating risk factors can be used to create more accurate predictive medicine. In particular, we show how emergence of anemia can be predicted from medical history within electronic health records. We used the Veterans Affairs Informatics and Computing Infrastructure database to examine a retrospective cohort of 9,738,838 veterans over an 11-year period. Using International Clinical Diagnoses Version 9 codes organized into 25 major diagnostic categories, we measured progression of disease by examining changes in risk over time, interactions in risk of combination of diseases, and elevated risk associated with repeated hospitalization for the same diagnostic category...
March 2017: Big Data
https://www.readbyqxmd.com/read/28328018/abundance-correction-for-mass-discrimination-effects-in-polymer-mass-spectra
#4
Martin S Engler, Sarah Crotty, Markus J Barthel, Christian Pietsch, Ulrich S Schubert, Sebastian Böcker
RATIONALE: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) is frequently used to analyze homo- and copolymers, i.e. for computing copolymer fingerprints. However, the oligomer abundances are influenced by mass discrimination, i.e. mass- and composition-dependent ionization. We have developed a computational method to correct the abundance bias caused by the mass discrimination. METHODS: MALDI-TOFMS in combination with computational methods was used to investigate three random copolymers with different ratios of styrene and isoprene...
May 30, 2016: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28326536/risk-factors-for-obesity-in-preschool-aged-children-in-china
#5
Jyu-Lin Chen, Jill Howie Esquivel, Jia Guo, Catherine A Chesla, Siyuan Tang
AIMS: To examine the relationship between child, mother, and environmental factors and increased body mass index in preschool-aged children in China. BACKGROUND: There are about 120 million children in China are classified as overweight or obese. Understanding the key factors associated with childhood obesity (i.e. child, mother and environment) is the first step in combating the growing obesity epidemic in China, as well as in the global community, where large numbers of Chinese immigrants can be found...
March 21, 2017: International Nursing Review
https://www.readbyqxmd.com/read/28326513/manual-vs-computer-assisted-sperm-analysis-can-casa-replace-manual-assessment-of-human-semen-in-clinical-practice
#6
Joanna Talarczyk-Desole, Anna Berger, Grażyna Taszarek-Hauke, Jan Hauke, Leszek Pawelczyk, Piotr Jedrzejczak
OBJECTIVES: The aim of the study was to check the quality of computer-assisted sperm analysis (CASA) system in comparison to the reference manual method as well as standardization of the computer-assisted semen assessment. MATERIAL AND METHODS: The study was conducted between January and June 2015 at the Andrology Laboratory of the Division of Infertility and Reproductive Endocrinology, Poznań University of Medical Sciences, Poland. The study group consisted of 230 men who gave sperm samples for the first time in our center as part of an infertility investigation...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28325441/a-review-of-fuzzy-cognitive-maps-in-medicine-taxonomy-methods-and-applications
#7
REVIEW
Abdollah Amirkhani, Elpiniki I Papageorgiou, Akram Mohseni, Mohammad R Mosavi
BACKGROUND AND OBJECTIVE: A high percentage of medical errors, committed because of physician's lack of experience, huge volume of data to be analyzed, and inaccessibility to medical records of previous patients, can be reduced using computer-aided techniques. Therefore, designing more efficient medical decision-support systems (MDSSs) to assist physicians in decision-making is crucially important. Through combining the properties of fuzzy logic and neural networks, fuzzy cognitive maps (FCMs) are among the latest, most efficient, and strongest artificial intelligence techniques for modeling complex systems...
April 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28325074/lobectomy-for-lung-cancer-by-video-assisted-thoracic-surgery-in-situs-inversus
#8
Abdillah N Juma, Yan-Qing Wang, Yun Chen, Xiong Peng, Yuan Zhou, Wei Zhuang
A 62-year-old man with situs inversus totalis and non-small-cell lung cancer underwent a right lower lobectomy by video-assisted thoracoscopic surgery. Lobectomy in a situs inversus totalis patient can be performed safely using this minimally invasive procedure. Preoperative evaluation of the pulmonary artery and veins by three-dimensional computed tomography and the bronchial tree by bronchoscopy, is essential to avoid unanticipated complications during the procedure.
March 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28324925/non-invasive-imaging-of-ventricular-activation-during-pacing-and-arrhythmia-methods-and-validation
#9
Long Yu, Steven Pogwizd, Bin He
Cardiovascular disease continued to be a leading killer world widely. Each year, about 400,000 cases of sudden cardiac arrest are reported in the U.S. alone. Clinically, radio-frequency ablative procedure has become widely applied in the treatment of ventricular arrhythmia. Non-invasive approaches have been demonstrated to be able to provide important information on the arrhythmogenesis and potentially assist in the clinical practice. In this work, we develop and validate a novel temporal sparse based imaging method, Cardiac Electrical Sparse Imaging (CESI)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324847/species-identification-in-forensic-samples-using-the-spindel-approach-a-ghep-isfg-inter-laboratory-collaborative-exercise
#10
Cíntia Alves, Rui Pereira, Lourdes Prieto, Mercedes Aler, Cesar R L Amaral, Cristina Arévalo, Gabriela Berardi, Florencia Di Rocco, Mariela Caputo, Cristian Hernandez Carmona, Laura Catelli, Heloísa Afonso Costa, Pavla Coufalova, Sandra Furfuro, Óscar García, Anibal Gaviria, Ana Goios, Juan José Builes Gómez, Alexis Hernández, Eva Del Carmen Betancor Hernández, Luís Miranda, David Parra, Susana Pedrosa, Maria João Anjos Porto, Maria de Lurdes Rebelo, Matteo Spirito, María Del Carmen Villalobos Torres, António Amorim, Filipe Pereira
DNA is a powerful tool available for forensic investigations requiring identification of species. However, it is necessary to develop and validate methods able to produce results in degraded and or low quality DNA samples with the high standards obligatory in forensic research. Here, we describe a voluntary collaborative exercise to test the recently developed Species Identification by Insertions/Deletions (SPInDel) method. The SPInDel kit allows the identification of species by the generation of numeric profiles combining the lengths of six mitochondrial ribosomal RNA (rRNA) gene regions amplified in a single reaction followed by capillary electrophoresis...
March 7, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28324832/determination-of-the-interconversion-energy-barrier-of-three-novel-pentahelicene-derivative-enantiomers-by-dynamic-high-resolution-liquid-chromatography
#11
Pavel Majek, Jan Krupcik, Zachary S Breitbach, Milan K Dissanayake, Peter Kroll, Aaron A Ruch, LeGrande M Slaughter, Daniel W Armstrong
Dynamic high resolution liquid chromatography (DHPLC) was used to determine the kinetic and thermodynamic activation parameters of interconversion of three novel pentahelicene derivatives {3,5-bis(trifluoromethyl)benzo[i]pentahelicene, naphtho[1,2-i]pentahelicene and 4-methoxybenzo[i]pentahelicene}. DHPLC was performed on a chiral isopropyl - carbamate cyclofructan 6 (LARIHC CF6-P) column under normal phase conditions. Variation of the column temperature and flow rate was used to study the interconversion process...
December 21, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28323731/thymic-carcinoma-with-endobronchial-metastasis-a-case-report
#12
Makoto Nagamata, Yusuke Okuma, Yukio Hosomi, Tsunekazu Hishima
Thymic carcinoma is a rare cancer, accounting for only 1% to 4% of thymic epithelial tumors. Endobronchial metastasis is a rare presentation of these tumors. A 64-year-old man presented with a cough. Lung cancer was suspected because a chest radiograph showed a 7-cm mass in the left pulmonary hilum. Computed tomography showed a mass in the anterior mediastinum and an infiltrate in the upper lobe of the left lung. Bronchoscopy demonstrated bilateral polypoid tumors in the left B bronchus and the right B bronchus...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28323447/injury-mitigation-estimates-for-an-intersection-driver-assistance-system-in-straight-crossing-path-crashes-in-the-u-s
#13
John M Scanlon, Rini Sherony, Hampton C Gabler
OBJECTIVE: Accounting for one-fifth of all crashes and one-sixth of all fatal crashes in the U.S., intersection crashes are among the most frequent and fatal crash modes. Intersection Advanced Driver Assistance Systems (I-ADAS) are emerging vehicle-based active safety systems that aim to help drivers safely navigate intersections. The objective of this study was to estimate the number of crashes and number of vehicles with a seriously injured driver (MAIS3+) that could be prevented or reduced if, for every straight crossing path (SCP) intersection crash, one of the vehicles had been equipped with an I-ADAS...
March 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28322771/computer-aided-detection-of-early-barrett-s-neoplasia-using-volumetric-laser-endomicroscopy
#14
A Swager, F van der Sommen, S R Klomp, S Zinger, S L Meijer, E J Schoon, J J Bergman, P H N de With, W L Curvers
BACKGROUND AND AIMS: Volumetric laser endomicroscopy (VLE) is an advanced imaging system that provides a near-microscopic resolution scan of the esophageal wall layers up to 3 mm deep. VLE has the potential to improve detection of early neoplasia in Barrett's esophagus (BE). However, interpretation of VLE images is complex due to the large amount of data that needs to be interpreted in real-time. The aim of this study was to investigate the feasibility of a computer algorithm to identify early BE neoplasia on ex vivo VLE images...
March 16, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28321805/introduction-of-a-computer-based-method-for-automated-planning-of-reduction-paths-under-consideration-of-simulated-muscular-forces
#15
Jan Buschbaum, Rainer Fremd, Tim Pohlemann, Alexander Kristen
PURPOSE: Reduction is a crucial step in the surgical treatment of bone fractures. Finding an optimal path for restoring anatomical alignment is considered technically demanding because collisions as well as high forces caused by surrounding soft tissues can avoid desired reduction movements. The repetition of reduction movements leads to a trial-and-error process which causes a prolonged duration of surgery. By planning an appropriate reduction path-an optimal sequence of target-directed movements-these problems should be overcome...
March 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28321787/a-mathematical-theory-of-shape-and-neuro-fuzzy-methodology-based-diagnostic-analysis-a-comparative-study-on-early-detection-and-treatment-planning-of-brain-cancer
#16
Subrata Kar, D Dutta Majumder
BACKGROUND: Investigation of brain cancer can detect the abnormal growth of tissue in the brain using computed tomography (CT) scans and magnetic resonance (MR) images of patients. The proposed method classifies brain cancer on shape-based feature extraction as either benign or malignant. The authors used input variables such as shape distance (SD) and shape similarity measure (SSM) in fuzzy tools, and used fuzzy rules to evaluate the risk status as an output variable. We presented a classifier neural network system (NNS), namely Levenberg-Marquardt (LM), which is a feed-forward back-propagation learning algorithm used to train the NN for the status of brain cancer, if any, and which achieved satisfactory performance with 100% accuracy...
March 20, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28320612/three-dimensional-image-fusion-of-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-and-contrast-enhanced-computed-tomography-for-computer-assisted-planning-of-maxillectomy-of-recurrent-maxillary-squamous-cell-carcinoma-and-defect-reconstruction
#17
Yao Yu, Wen-Bo Zhang, Xiao-Jing Liu, Chuan-Bin Guo, Guang-Yan Yu, Xin Peng
PURPOSE: The purpose of this study was to describe new technology assisted by 3-dimensional (3D) image fusion of (18)F-fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) and contrast-enhanced CT (CECT) for computer planning of a maxillectomy of recurrent maxillary squamous cell carcinoma and defect reconstruction. MATERIALS AND METHODS: Treatment of recurrent maxillary squamous cell carcinoma usually includes tumor resection and free flap reconstruction...
February 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28319511/the-first-us-clinical-experience-with-computer-assisted-propofol-sedation-a-retrospective-observational-comparative-study-on-efficacy-safety-efficiency-and-endoscopist-and-patient-satisfaction
#18
Otto S Lin, Richard A Kozarek, Deborah Tombs, Danielle La Selva, Wade Weigel, Ryan Beecher, Ana Jensen, Michael Gluck, Andrew Ross
BACKGROUND: Computer-assisted propofol sedation (CAPS) is now approved for moderate sedation of American Society of Anesthesiologists (ASA) class I and II patients undergoing routine endoscopy. As the first US medical center to adopt CAPS for routine clinical use, we compared patient and endoscopist satisfaction with CAPS versus midazolam and fentanyl (MF) sedation. METHODS: Patients who underwent elective outpatient upper endoscopy and colonoscopy with CAPS were compared with concurrent patients sedated with MF...
March 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319275/mrf-ann-a-machine-learning-approach-for-automated-er-scoring-of-breast-cancer-immunohistochemical-images
#19
T Mungle, S Tewary, D K DAS, I Arun, B Basak, S Agarwal, R Ahmed, S Chatterjee, C Chakraborty
Molecular pathology, especially immunohistochemistry, plays an important role in evaluating hormone receptor status along with diagnosis of breast cancer. Time-consumption and inter-/intraobserver variability are major hindrances for evaluating the receptor score. In view of this, the paper proposes an automated Allred Scoring methodology for estrogen receptor (ER). White balancing is used to normalize the colour image taking into consideration colour variation during staining in different labs. Markov random field model with expectation-maximization optimization is employed to segment the ER cells...
March 20, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28319213/comparison-of-the-marginal-fit-of-cobalt-chromium-metal-ceramic-crowns-fabricated-by-cad-cam-techniques-and-conventional-methods-at-three-production-stages
#20
Francisco Real-Voltas, Elisabeth Romano-Cardozo, Oscar Figueras-Alvarez, Magi Brufau-de Barbera, Josep Cabratosa-Termes
PURPOSE: The aim of this study was to compare the marginal fit of cobalt-chromium crowns fabricated using conventional casts and computer-aided design/computer-assisted manufacturing (CAD/CAM) techniques at three stages of production: metal coping, after porcelain firing, and after cementation. MATERIALS AND METHODS: A total of 80 metal-ceramic crowns were fabricated using four different techniques: lost wax casting, milling, laser sintering, and milling of a presintered metal block...
March 20, 2017: International Journal of Prosthodontics
keyword
keyword
46449
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"