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https://www.readbyqxmd.com/read/28102986/medical-qualification-determinations-final-rule
#1
(no author information available yet)
The U.S. Office of Personnel Management (OPM) is issuing a final rule to revise its regulations for medical qualification determinations. The revised regulations update references and language; add and modify definitions; clarify coverage and applicability; address the need for medical documentation and medical examination and/or testing for an applicant or employee whose position may or may not have medical standards and/or physical requirements; and recommend the establishment of agency medical review boards...
18, 2017: Federal Register
https://www.readbyqxmd.com/read/28102984/medicare-and-medicaid-program-conditions-of-participation-for-home-health-agencies-final-rule
#2
(no author information available yet)
This final rule revises the conditions of participation (CoPs) that home health agencies (HHAs) must meet in order to participate in the Medicare and Medicaid programs. The requirements focus on the care delivered to patients by HHAs, reflect an interdisciplinary view of patient care, allow HHAs greater flexibility in meeting quality care standards, and eliminate unnecessary procedural requirements. These changes are an integral part of our overall effort to achieve broad- based, measurable improvements in the quality of care furnished through the Medicare and Medicaid programs, while at the same time eliminating unnecessary procedural burdens on providers...
13, 2017: Federal Register
https://www.readbyqxmd.com/read/28102982/requirements-for-notification-evaluation-and-reduction-of-lead-based-paint-hazards-in-federally-owned-residential-property-and-housing-receiving-federal-assistance-response-to-elevated-blood-lead-levels-final-rule
#3
(no author information available yet)
This final rule amends HUD's lead-based paint regulations to reduce blood lead levels in children under age six (6) who reside in federally-owned or -assisted pre-1978 housing, formally adopting a revised definition of "elevated blood lead level" (EBLL) in children under the age of six (6), in accordance with Centers for Disease Control and Prevention (CDC) guidance. It also establishes more comprehensive testing and evaluation procedures for the housing where such children reside. This final rule also addresses certain additional elements of the CDC guidance pertaining to assisted housing and makes technical corrections and clarifications...
13, 2017: Federal Register
https://www.readbyqxmd.com/read/28102968/thoracic-ultrasound-recognition-of-competence-a-position-paper-of-the-thoracic-society-of-australia-and-new-zealand
#4
Jonathan P Williamson, Scott H Twaddell, Y C Gary Lee, Matthew Salamonsen, Mark Hew, David Fielding, Phan Nguyen, Daniel Steinfort, Peter Hopkins, Nicola Smith, Christopher Grainge
The ability to perform bedside thoracic ultrasound is increasingly recognized as an essential skill for thoracic clinicians, extending the clinical examination and aiding diagnostic and therapeutic procedures. Thoracic ultrasound reduces complications and increases success rates when used prior to thoracentesis or intercostal chest tube insertion. It is increasingly difficult to defend performing these procedures without real or near-real time image guidance. To assist thoracic physicians and others achieve and demonstrate thoracic ultrasound competence, the Interventional Pulmonology Special Interest Group (IP-SIG) of the Thoracic Society of Australia and New Zealand (TSANZ) has developed a new pathway with four components: (i) completion of an approved thoracic ultrasound theory and hands-on teaching course...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28102967/pulmonary-embolism-requiring-intensive-care-do-we-now-have-a-better-idea-of-how-to-triage
#5
EDITORIAL
Kevin C Proud
No abstract text is available yet for this article.
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28102961/assessing-the-use-of-4dct-ventilation-in-pre-operative-surgical-lung-cancer-evaluation
#6
Yevgeniy Vinogradskiy, Matthew Jackson, Leah Schubert, Bernard Jones, Richard Castillo, Edward Castillo, Thomas Guerrero, John Mitchell, Chad Rusthoven, Moyed Miften, Brian Kavanagh
PURPOSE: A primary treatment option for lung cancer patients is surgical resection. Patients who have poor lung function prior to surgery are at increased risk of developing serious and life-threatening complications after surgical resection. Surgeons use nuclear medicine ventilation-perfusion (VQ) scans along with pulmonary function test (PFT) information to assess a patient's pre-surgical lung function. The nuclear medicine images and pre-surgery PFTs are used to calculate percent predicted postoperative (%PPO) PFT values by estimating the amount of functioning lung tissue that would be lost with surgical resection...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102957/rf-safety-assessment-of-a-bilateral-four-channel-transmit-receive-7-tesla-breast-coil-sar-versus-tissue-temperature-limits
#7
Thomas M Fiedler, Mark E Ladd, Andreas K Bitz
PURPOSE: The purpose of this work was to perform an RF safety evaluation for a bilateral four-channel transmit/receive breast coil and to determine the maximum permissible input power for which RF exposure of the subject stays within recommended limits. The safety evaluation was done based on SAR as well as on temperature simulations. In comparison to SAR, temperature is more directly correlated with tissue damage, which allows a more precise safety assessment. The temperature simulations were performed by applying three different blood perfusion models as well as two different ambient temperatures...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102943/comparison-of-five-cluster-validity-indices-performance-in-brain-18-f-fet-pet-image-segmentation-using-k-means
#8
Bedor Abualhaj, Guoyang Weng, Melissa Ong, Ali Asgar Attarwala, Flavia Molina, Karen Büsing, Gerhard Glatting
PURPOSE: Dynamic [(18) F]fluoro-ethyl-L-tyrosine positron emission tomography ([(18) F]FET-PET) is used to identify tumor lesions for radiotherapy treatment planning, to differentiate glioma recurrence from radiation necrosis and to classify gliomas grading. To segment different regions in the brain k-means cluster analysis can be used. The main disadvantage of k-means is that the number of clusters must be pre-defined. In this study, we therefore compared different cluster validity indices for automated and reproducible determination of the optimal number of clusters based on the dynamic PET data...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102933/what-if-a-tumor-is-significantly-enlarged-just-before-stereotactic-body-radiation-therapy-a-case-report-and-review-of-the-literature
#9
Hung-Jen Chen, Ji-An Liang, Chih-Yi Chen, Yang-Hao Yu, Chun-Ru Chien
Stereotactic body radiation therapy (SBRT) plays an important role in early stage non-small cell lung cancer. Tumor growth before radiotherapy planning (RTP) or during SBRT has been reported in lung cancer patients; however, little is known of growth during the period in-between (i.e. after RTP but before SBRT). An 83-year-old man referred to our hospital and diagnosed with medically inoperable non-small cell lung cancer was noted to have significant tumor progression on day 1 of cone beam computed tomography just before the planned SBRT delivery...
November 18, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/28102922/effect-of-the-unfilled-space-size-of-the-abutment-screw-access-hole-on-the-extruded-excess-cement-and-retention-of-single-implant-zirconia-crowns
#10
Sulieman S Al-Johany, Mohammad D Al Amri, Ahmed S Al-Bakri, Mohammed N Al-Qarni
PURPOSE: To evaluate in vitro the effect of the size of the unfilled space of the abutment screw access hole on the amount of extruded excess cement and the retention of zirconia copings. MATERIALS AND METHODS: Twelve dental implant replicas were attached to the corresponding abutments and embedded in acrylic resin blocks. A total of 36 CAD/CAM zirconia copings were fabricated by one technician using the standard technique. Abutments were divided into group I: the entire screw access channel was completely filled (nonspaced); group II: 1-mm-spaced; and group III: 2-mm-spaced...
January 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28102908/addressing-critical-gaps-in-the-treatment-of-eating-disorders
#11
REVIEW
Alan E Kazdin, Ellen E Fitzsimmons-Craft, Denise E Wilfley
Remarkable progress has been made in developing psychosocial interventions for eating disorders and other mental disorders. Two priorities in providing treatment consist of addressing the research-practice gap and the treatment gap. The research-practice gap pertains to the dissemination of evidence-based treatments from controlled settings to routine clinical care. Closing the gap between what is known about effective treatment and what is actually provided to patients who receive care is crucial in improving mental health care, particularly for conditions such as eating disorders...
January 19, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28102896/impact-of-pre-transplant-depression-on-outcomes-of-allogeneic-and-autologous-hematopoietic-stem-cell-transplantation
#12
Areej El-Jawahri, Yi-Bin Chen, Ruta Brazauskas, Naya He, Stephanie J Lee, Jennifer M Knight, Navneet Majhail, David Buchbinder, Raquel M Schears, Baldeep M Wirk, William A Wood, Ibrahim Ahmed, Mahmoud Aljurf, Jeff Szer, Sara M Beattie, Minoo Battiwalla, Christopher Dandoy, Miguel-Angel Diaz, Anita D'Souza, Cesar O Freytes, James Gajewski, Usama Gergis, Shahrukh K Hashmi, Ann Jakubowski, Rammurti T Kamble, Tamila Kindwall-Keller, Hilard M Lazarus, Adriana K Malone, David I Marks, Kenneth Meehan, Bipin N Savani, Richard F Olsson, David Rizzieri, Amir Steinberg, Dawn Speckhart, David Szwajcer, Helene Schoemans, Sachiko Seo, Celalettin Ustun, Yoshiko Atsuta, Jignesh Dalal, Carmem Sales-Bonfim, Nandita Khera, Theresa Hahn, Wael Saber
BACKGROUND: To evaluate the impact of depression before autologous and allogeneic hematopoietic cell transplantation (HCT) on clinical outcomes posttransplantation. METHODS: We analyzed data from the Center for International Blood and Marrow Transplant Research to compare outcomes after autologous (n = 3786) or allogeneic (n = 7433) HCT for adult patients with hematologic malignancies with an existing diagnosis of pre-HCT depression requiring treatment versus those without pre-HCT depression...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28102887/clinical-trial-of-nintedanib-in-patients-with-recurrent-or-metastatic-salivary-gland-cancer-of-the-head-and-neck-a-multicenter-phase-2-study-korean-cancer-study-group-hn14-01
#13
Youjin Kim, Su Jin Lee, Ji Yun Lee, Se-Hoon Lee, Jong-Mu Sun, Keunchil Park, Ho Jung An, Jae Yong Cho, Eun Joo Kang, Ha-Young Lee, Jinsoo Kim, Bhumsuk Keam, Hye Ryun Kim, Kyoung Eun Lee, Moon Young Choi, Ki Hyeong Lee, Myung-Ju Ahn
BACKGROUND: Salivary gland cancers (SGCs) are uncommon and account for less than 5% of all head and neck cancers, but they are histologically heterogeneous. No specific therapy, including targeted agents, has consistently improved clinical outcomes in recurrent/metastatic SGC. Recent studies suggest that vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR) play important roles in SGC. Nintedanib is a potent small-molecule, triple-receptor tyrosine kinase inhibitor (VEGFR1, VEGFR2, and VEGFR3; fibroblast growth factor receptor 1 [FGFR1], FGFR2, and FGFR3; and PDGFRα and PDGFRß)...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28102882/factors-associated-with-significant-mri-findings-in-medical-walk-in-patients-with-acute-headache
#14
Joris Budweg, Till Sprenger, Anthony De Vere-Tyndall, Anne Hagenkord, Christoph Stippich, Christoph T Berger
QUESTION: Acute headache is a main reason for emergency consultations and can be a symptom of dangerous neurological conditions. We hypothesised that in medical walk-in headache patients with low suspicion of intracranial bleeding significant findings in brain magnetic resonance imaging (MRI) are associated with clinical features. METHODS: Retrospective chart review on medical outpatient referrals for brain MRI (2010-2014) with the chief complaint "acute headache" (duration <4 weeks)...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28102878/pulmonary-hypertension-associated-with-left-sided-heart-disease
#15
Micha Tobias Maeder, Otto D Schoch, Rebekka Kleiner, Lucas Joerg, Daniel Weilenmann, Swiss Society For Pulmonary Hypertension
Pulmonary hypertension associated with left-sided heart disease (PH-LHD) is the most common type of pulmonary hypertension. In patients with left-sided heart disease, the presence of pulmonary hypertension is typically a marker of more advanced disease, more severe symptoms, and worse prognosis. In contrast to pulmonary arterial hypertension, PH-LHD is characterised by an elevated pulmonary artery wedge pressure (postcapillary pulmonary hypertension) without or with an additional precapillary component (isolated postcapillary versus combined postcapillary and precapillary pulmonary hypertension)...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28102868/control-and-automation-of-multilayered-integrated-microfluidic-device-fabrication
#16
Sarit Kipper, Ludmila Frolov, Ortal Guy, Michal Pellach, Yair Glick, Asaf Malichi, Binyamin A Knisbacher, Efrat Barbiro-Michaely, Dorit Avrahami, Yehuda Yavets-Chen, Erez Y Levanon, Doron Gerber
Integrated microfluidics is a sophisticated three-dimensional (multi layer) solution for high complexity serial or parallel processes. Fabrication of integrated microfluidic devices requires soft lithography and the stacking of thin-patterned PDMS layers. Precise layer alignment and bonding is crucial. There are no previously reported standards for alignment of the layers, which is mostly performed using uncontrolled processes with very low alignment success. As a result, integrated microfluidics is mostly used in academia rather than in the many potential industrial applications...
January 19, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28102867/a-systems-approach-for-the-elucidation-of-crucial-genes-and-network-constituents-of-cervical-intraepithelial-neoplasia-1-cin1
#17
Shikha Suman, Ashutosh Mishra, Anurag Kulshrestha
Cervical intra-epithelial neoplasia 1 (CIN1) is a pre-cancerous cervical cancer condition characterized by changes in the squamous cells of the cervix. Early detection may facilitate treatment as CIN1 may increase the risk of developing cervical cancer. An extensive system level analysis has been carried out to detect crucial network components of CIN1. Differential expression analysis was performed to identify genes that are differentially expressed in CIN1 in comparison to normal cells. Gene Ontology (GO) and pathway enrichment analyses of DEGs were followed by the construction of a protein-protein interaction (PPI) network...
January 19, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28102863/a-taxonomy-of-medical-uncertainties-in-clinical-genome-sequencing
#18
Paul K J Han, Kendall L Umstead, Barbara A Bernhardt, Robert C Green, Steven Joffe, Barbara Koenig, Ian Krantz, Leo B Waterston, Leslie G Biesecker, Barbara B Biesecker
PURPOSE: Clinical next-generation sequencing (CNGS) is introducing new opportunities and challenges into the practice of medicine. Simultaneously, these technologies are generating uncertainties of an unprecedented scale that laboratories, clinicians, and patients are required to address and manage. We describe in this report the conceptual design of a new taxonomy of uncertainties around the use of CNGS in health care. METHODS: Interviews to delineate the dimensions of uncertainty in CNGS were conducted with genomics experts and themes were extracted in order to expand on a previously published three-dimensional taxonomy of medical uncertainty...
January 19, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28102846/hepatitis-b-virus-x-protein-promotes-the-stem-like-properties-of-ov6-cancer-cells-in-hepatocellular-carcinoma
#19
Chao Wang, Ming-da Wang, Peng Cheng, Hai Huang, Wei Dong, Wei-Wei Zhang, Peng-Peng Li, Chuan Lin, Ze-Ya Pan, Meng-Chao Wu, Wei-Ping Zhou
Hepatitis B virus X protein (HBx) and cancer stem-like cells (CSCs) have both been implicated in the occurrence and development of HBV-related hepatocellular carcinoma (HCC). However, whether HBx contributes to the stem-like properties of OV6(+) CSCs in HCC remains elusive. In this study, we showed that the concomitant expression of HBx and OV6 was closely associated with the clinical outcomes and prognosis of patients with HBV-related HCC. HBx was required for the stem-like properties of OV6(+) liver CSCs, including self-renewal, stem cell-associated gene expression, tumorigenicity and chemoresistance...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102836/preparation-characterization-and-in-vitro-dosimetry-of-dispersed-engineered-nanomaterials
#20
Glen M DeLoid, Joel M Cohen, Georgios Pyrgiotakis, Philip Demokritou
Evidence continues to grow of the importance of in vitro and in vivo dosimetry in the hazard assessment and ranking of engineered nanomaterials (ENMs). Accurate dose metrics are particularly important for in vitro cellular screening to assess the potential health risks or bioactivity of ENMs. To ensure meaningful and reproducible quantification of in vitro dose, with consistent measurement and reporting between laboratories, it is necessary to adopt standardized and integrated methodologies for (i) generation of stable ENM suspensions in cell culture media; (ii) colloidal characterization of suspended ENMs, particularly of properties that determine particle kinetics in an in vitro system (size distribution and formed agglomerate effective density); and (iii) robust numerical fate and transport modeling for accurate determination of the ENM dose delivered to cells over the course of the in vitro exposure...
February 2017: Nature Protocols
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