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https://www.readbyqxmd.com/read/28337922/acquired-pulmonary-artery-pseudoaneurysms-a-pictorial-review
#1
Benedicte Guillaume, Anne Vendrell, Xavier Stefanovic, Frederic Thony, Gilbert R Ferretti
Pulmonary artery pseudoaneurysms (PAPs) are uncommon but potentially lethal. They may be incidentally discovered on imaging, or following massive hemoptysis if they rupture, with high risk of mortality. The most frequent causes of PAP are trauma and infectious disease. Vasculitis, in particular Behçet's disease, neoplasm, congenital disease and pulmonary hypertension are rarer causes of PAP. A PAP can be suspected from chest X-Ray and contrast CT, but requires confirmation by CT angiography. Arteriography is no longer performed for diagnostic purposes, but can be useful to prepare endovascular occlusion of the PAP...
March 24, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28337820/selective-radiofrequency-stimulation-of-the-dorsal-root-ganglion-drg-as-a-method-for-predicting-targets-for-neuromodulation-in-patients-with-post-amputation-pain-a-case-series
#2
Corey W Hunter, Ajax Yang, Tim Davis
OBJECTIVE: While spinal cord stimulation (SCS) has established itself as an accepted and validated treatment for neuropathic pain, there are a number of conditions where it has experienced less, long-term success: post amputee pain (PAP) being one of them. Dorsal root ganglion (DRG) stimulation has shown great promise, particularly in conditions where traditional SCS has fallen short. One major difference between DRG stimulation and traditional SCS is the ability to provide focal stimulation over targeted areas...
March 23, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28336770/ptac10-a-key-subunit-of-plastid-encoded-rna-polymerase-promotes-chloroplast-development
#3
Sun Hyun Chang, Sangyool Lee, Tae Young Um, Ju-Kon Kim, Yang Do Choi, Geupil Jang
Regulation of photosynthetic gene expression by plastid-encoded RNA polymerase (PEP) is essential for chloroplast development. The activity of PEP largely relies on at least 12 PEP-associated proteins (PAPs) encoded in the nuclear genome of plant cells. A recent model proposed that these PAPs regulate the establishment of the PEP complex through broad PAP-PEP or PAP-PAP interactions. In this study, we identified the Arabidopsis thaliana seedling lethal mutant ptac10-1, which has defects in chloroplast development, and found that the mutant phenotype is caused by the suppression of PLASTID S1 RNA-BINDING DOMAIN PROTEIN (pTAC10/PAP3)...
March 23, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28332888/clinician-and-patient-acceptability-of-self-collected-human-papillomavirus-testing-for-cervical-cancer-screening
#4
Constance Mao, Shalini L Kulasingam, Hilary K Whitham, Stephen E Hawes, John Lin, Nancy B Kiviat
BACKGROUND: To evaluate clinician and patient attitudes toward home self-collected human papillomavirus (HPV) testing for cervical cancer screening. METHODS: Women aged 21-65 years were recruited for a randomized trial comparing home self-collected HPV testing to standard clinician-collected Pap screening. Participants were surveyed about their attitudes toward self-collected HPV testing. Clinicians performing cervical cancer screening in University of Washington medical clinics were also surveyed to determine their acceptability of self-collected HPV testing...
March 23, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28331863/the-effects-of-statins-on-pulmonary-artery-pressure-in-patients-with-chronic-obstructive-pulmonary-disease-a-randomized-controlled-trial
#5
Anahita Arian, Sayyed Gholamreza Mortazavi Moghadam, Toba Kazemi, Morteza Hajihosseini
OBJECTIVE: Pulmonary hypertension is a serious complication in patients suffering from chronic obstructive pulmonary disease (COPD). The aim of this study is to investigate the effects of atorvastatin in reducing pulmonary arterial pressure in COPD patients. METHODS: This double-blind, randomized trial was conducted on 42 known cases of COPD with systolic pulmonary arterial pressure of more than 25 mmHg. The patients were randomly assigned into two groups, 21 patients with atorvastatin treatment (40 mg/daily for 6 months) and 21 patients without receiving atorvastatin...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28331381/retrospective-nonrandomized-controlled-study-on-autoadjusting-dual-pressure-positive-airway-pressure-therapy-for-a-consecutive-series-of-complex-insomnia-disorder-patients
#6
Barry Krakow, Natalia D McIver, Victor A Ulibarri, Michael R Nadorff
PURPOSE: Emerging evidence shows that positive airway pressure (PAP) treatment of obstructive sleep apnea (OSA) and upper airway resistance syndrome (UARS) in chronic insomnia patients (proposed "complex insomnia" disorder) leads to substantial decreases in insomnia severity. Although continuous PAP (CPAP) is the pressure mode most widely researched, intolerance to fixed pressurized air is rarely investigated or described in comorbidity patients. This retrospective study examined dual pressure, autoadjusting PAP modes in chronic, complex insomnia disorder patients...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28330751/reduction-in-heart-failure-hospitalizations-with-ambulatory-hemodynamic-monitoring-seen-in-clinical-trials-is-maintained-in-the-real-world
#7
Akshay S Desai, Arvind Bhimaraj, Rupinder Bharmi, Rita Jermyn, Kunjan Bhatt, David Shavelle, Margaret M Redfield, Robert Hull, Jamie A Pelzel, Kevin Davis, Nirav Dalal, Philip B Adamson, J Thomas Heywood
BACKGROUND: In the CHAMPION trial, heart failure hospitalization (HFH) rates were lower in patients managed with guidance from an implantable pulmonary artery pressure (PAP) sensor compared to usual care. OBJECTIVES: To examine the effectiveness of ambulatory hemodynamic monitoring in reducing HFH outside the clinical trial setting. METHODS: We conducted a retrospective cohort study using US Medicare claims data from patients undergoing PAP sensor implantation between 6/1/2014 and 12/31/2015...
March 9, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28328549/epigallocatechin-gallate-inhibits-macaque-sevi-mediated-enhancement-of-siv-or-shiv-infection
#8
Run-Hong Zhou, Le Guo, Jin-Biao Liu, Hang Liu, Wei Hou, Tong-Cui Ma, Xu Wang, Jian-Guo Wu, Li Ye, Wen-Zhe Ho, Jie-Liang Li
BACKGROUND: Human semen contains a factor that can enhance HIV infection up to 10^5-fold in cultures. This factor is termed SEVI (Semen-derived Enhancer of Virus Infection), which is composed of proteolytic fragments (PAP248-286) from prostatic acid phosphatase (PAP) in semen. Here, we examined whether macaque SEVI can facilitate simian immunodeficiency virus (SIV) or chimeric simian/human immunodeficiency virus (SHIV) infection. We also studied the effect of EGCG on macaque SEVI-mediated SIV or SHIV enhancement...
March 22, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28323614/a-chloroplast-retrograde-signal-3-phosphoadenosine-5-phosphate-acts-as-a-secondary-messenger-in-abscisic-acid-signaling-in-stomatal-closure-and-germination
#9
Wannarat Pornsiriwong, Gonzalo M Estavillo, Kai Xun Chan, Estee E Tee, Diep Ganguly, Peter A Crisp, Su Yin Phua, Chenchen Zhao, Jiaen Qiu, Jiyoung Park, Miing Tiem Yong, Nazia Nisar, Arun Kumar Yadav, Benjamin Schwessinger, John Rathjen, Christopher I Cazzonelli, Philippa B Wilson, Matthew Gilliham, Zhong-Hua Chen, Barry J Pogson
Organelle-nuclear retrograde signaling regulates gene expression, but its roles in specialized cells and integration with hormonal signaling remain enigmatic. Here we show that the SAL1-PAP (3'-phosphoadenosine 5'- phosphate) retrograde pathway interacts with abscisic acid (ABA) signaling to regulate stomatal closure and seed germination in Arabidopsis. Genetically or exogenously manipulating PAP bypasses the canonical signaling components ABA Insensitive 1 (ABI1) and Open Stomata 1 (OST1); priming an alternative pathway that restores ABA-responsive gene expression, ROS bursts, ion channel function, stomatal closure and drought tolerance in ost1-2...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28322112/national-database-analysis-of-single-level-versus-multilevel-sleep-surgery
#10
Scott E Brietzke, Stacey L Ishman, Seth Cohen, Derek D Cyr, Jennifer J Shin, Eric J Kezirian
Objective Recent evidence suggests that multilevel sleep surgery improves outcomes when compared with palate surgery alone for most patients. The study objective was to compare demographic and outcomes data for palate surgery (uvulopalatopharyngoplasty [UPPP]) alone versus multilevel surgery through a national insurance claims database. Study Design Retrospective cohort study. Setting National insurance claims database. Subjects and Methods An adult cohort undergoing single-level UPPP versus UPPP with nasal and/or tongue/hypopharyngeal surgery was identified in the Truven Health Analytics MarketScan Research Databases for the years 2010 through 2012...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28321506/standardizing-25-hydroxyvitamin-d-data-from-the-hunmen-cohort
#11
E Jakab, E Kalina, Z Petho, Z Pap, A Balogh, W B Grant, H P Bhattoa
Standardization of 25-hydroxyvitamin D (25OHD) values is still a challenge. We propose standardization by correction of the measured 25OHD values using the linear regression bias from the National Institute of Standards and Technology (NIST) 'total' target values reported by Vitamin D External Quality Assessment Scheme (DEQAS). Our approach could perhaps be a practical solution to the anomaly surrounding non-standardized 25OHD values. INTRODUCTION: Standardization of 25OHD values is still a challenge...
March 20, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28320374/using-a-multimethod-approach-to-develop-implementation-strategies-for-a-cervical-self-sampling-program-in-kenya
#12
Irene Podolak, Caroline Kisia, Gloria Omosa-Manyonyi, Jarold Cosby
BACKGROUND: Numerous health policy makers/researchers are concerned about the limitations of research being applied to support informed decision/policy making and the implementation of practical solutions. The aim of the Chaguo Letu project (which means our choice in Swahili) was to determine how local decision makers could apply a multimethod approach to make strategic decisions to effectively implement a Cervical Self-Sampling Program in Kenya. METHODS: A multimethod approach, involving participatory action research, scenario based planning, and phenomenology, was applied in conjunction with two tools to identify relevant factors (negative or positive) that could impact Cervical Self-Sampling Program implementation...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28319403/deposition-of-a-cationic-fe-iii-spin-crossover-complex-on-au-111-impact-of-the-counter-ion
#13
Torben Jasper-Toennies, Manuel Gruber, Sujoy Karan, Hanne Jacob, Felix Tuczek, Richard Berndt
Spin-crossover molecules on metallic substrates have recently attracted considerable interest for their potential applications in molecular spintronics. Using scanning tunneling microscopy, we evidence the first successful deposition of a charged FeIII spin-crossover complex, [Fe(pap)2 ]+ (pap=N-2-pyridylmethylidene-2- hydroxyphenylaminato), on Au(111). Furthermore, the bulk form of the molecules is stabilized by a perchlorate counter ion, which depending on the deposition technique, may affect the quality of the deposition and the measurements...
March 20, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28316850/a-report-of-two-cases-of-age-related-changes-in-cervical-morphology-in-postmenopausal-women-with-vaginal-adenosis
#14
Marguerite B Vigliani
This paper presents two cases of women who had extensive vaginal adenosis from prenatal DES exposure, extending almost halfway down the vaginal canal. Both women were followed for decades with annual exams and Pap smears until after menopause. Clinical examination in both cases initially showed an absent pars vaginalis of the cervix, vaginal adenosis, and shallowness of the fornices. Several decades of annual exams showed these stigmata of DES exposure gradually disappear as the upper vagina progressively contracted...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28316279/rivaroxaban-or-aspirin-for-extended-treatment-of-venous-thromboembolism
#15
Jeffrey I Weitz, Anthonie W A Lensing, Martin H Prins, Rupert Bauersachs, Jan Beyer-Westendorf, Henri Bounameaux, Timothy A Brighton, Alexander T Cohen, Bruce L Davidson, Hervé Decousus, Maria C S Freitas, Gerlind Holberg, Ajay K Kakkar, Lloyd Haskell, Bonno van Bellen, Akos F Pap, Scott D Berkowitz, Peter Verhamme, Philip S Wells, Paolo Prandoni
Background Although many patients with venous thromboembolism require extended treatment, it is uncertain whether it is better to use full- or lower-intensity anticoagulation therapy or aspirin. Methods In this randomized, double-blind, phase 3 study, we assigned 3396 patients with venous thromboembolism to receive either once-daily rivaroxaban (at doses of 20 mg or 10 mg) or 100 mg of aspirin. All the study patients had completed 6 to 12 months of anticoagulation therapy and were in equipoise regarding the need for continued anticoagulation...
March 18, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28304400/evaluation-of-p16-ki-67-dual-stained-cytology-as-triage-test-for-high-risk-human-papillomavirus-positive-women
#16
Renée Mf Ebisch, Judith van der Horst, Meyke Hermsen, L Lucia Rijstenberg, Judith Em Vedder, Johan Bulten, Remko P Bosgraaf, Viola Mj Verhoef, Daniëlle Am Heideman, Peter Jf Snijders, Chris Jlm Meijer, Folkert J van Kemenade, Leon Fag Massuger, Willem Jg Melchers, Ruud Lm Bekkers, Albert G Siebers
The aim of this study was to evaluate the clinical utility of p16/Ki-67 dual staining, for the identification of CIN in high-risk HPV-positive women from a non-responder screening cohort. P16/Ki-67 dual staining, Pap cytology, and HPV16/18 genotyping were performed on physician-taken liquid-based samples from 495 women who tested high-risk HPV positive on self-sampled material (PROHTECT-3B study). Different triage strategies involving p16/Ki-67 dual staining were evaluated for sensitivity, specificity, and predictive value for ≥CIN2 and ≥CIN3, and compared to Pap cytology with a threshold of atypical cells of undetermined significance...
March 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28303660/brazilin-inhibits-prostatic-acidic-phosphatase-fibrillogenesis-and-reduces-its-cytotoxicity
#17
Ming Li, Xiaoyan Dong, Yang Liu, Yan Sun
The 39-amino acid peptide fragment derived from prostatic acidic phosphatase (PAP), PAP248-286, is secreted in large amount into human semen and form amyloid fibrils. The fibrils can capture HIV virions and increase the attachment of virions to target cells, so they are called semen-derived enhancer of virus infection (SEVI). Therefore, it is of significance to inhibit the formation of PAP248-286 amyloid fibrils. Herein, we have demonstrated that brazilin could effectively inhibit PAP248-286 aggregation. The inhibition effect increased with increasing brazilin concentration...
March 16, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28301582/task-1-potassium-channel-is-not-critically-involved-in-mediating-hypoxic-pulmonary-vasoconstriction-of-murine-intra-pulmonary-arteries
#18
Ghulam Murtaza, Petra Mermer, Anna Goldenberg, Uwe Pfeil, Renate Paddenberg, Nobert Weissmann, Guenter Lochnit, Wolfgang Kummer
The two-pore domain potassium channel KCNK3 (TASK-1) is expressed in rat and human pulmonary artery smooth muscle cells. There, it is associated with hypoxia-induced signalling, and its dysfunction is linked to pathogenesis of human pulmonary hypertension. We here aimed to determine its role in hypoxic pulmonary vasoconstriction (HPV) in the mouse, and hence the suitability of this model for further mechanistic investigations, using appropriate inhibitors and TASK-1 knockout (KO) mice. RT-PCR revealed expression of TASK-1 mRNA in murine lungs and pre-acinar pulmonary arteries...
2017: PloS One
https://www.readbyqxmd.com/read/28301535/quantitative-assessment-of-pulmonary-alveolar-proteinosis-pap-with-ultra-dose-ct-and-correlation-with-pulmonary-function-tests-pfts
#19
Xin Sui, Qianni Du, Kai-Feng Xu, Xinlun Tian, Lan Song, Xiao Wang, Xiaoli Xu, Zixing Wang, Yuyan Wang, Jun Gu, Wei Song, Zhengyu Jin
BACKGROUND: The purpose of this study was to investigate whether ultra-low-dose chest computed tomography (CT) can be used for visual assessment of CT features in patients with pulmonary alveolar proteinosis (PAP) and to evaluate the relationship between the quantitative analysis of the ultra-low-dose CT scans and the pulmonary function tests (PFTs). METHODS: Thirty-eight patients (mean [SD] age, 44.47 [12.28] years; 29 males, 9 females) with PAP were enrolled and subjected to two scans each with low-dose CT (reference parameters: 120 kV and 50 mAs) and ultra-low-dose CT (reference parameters, 80 kV, 25 mAs)...
2017: PloS One
https://www.readbyqxmd.com/read/28301226/false-negative-interpretation-of-adenocarcinoma-in-situ-in-the-college-of-american-pathologists-gynecologic-pap-education-program
#20
Chengquan Zhao, Barbara A Crothers, Z Laura Tabatabai, Zaibo Li, Mohiedean Ghofrani, Rhona J Souers, Mujtaba Husain, Fang Fan, Rulong Shen, Idris Tolgay Ocal, Christine N Booth, Kelly Goodrich, Donna Russell, Diane D Davey, College Of American Pathologists Cytopathology Committee
CONTEXT: - Adenocarcinoma in situ (AIS) is difficult to correctly interpret on Papanicolaou (Pap) cytology slides and false-negative interpretations of AIS can cause significant problems in daily practice. OBJECTIVE: - To investigate the false-negative interpretation rate of AIS and the factors related to false-negative interpretation through responses in an educational environment. DESIGN: - We retrospectively evaluated 11 337 responses in the PAP Education Program (PAP-Edu) from 173 AIS slides from 2011 to 2015...
March 16, 2017: Archives of Pathology & Laboratory Medicine
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