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https://www.readbyqxmd.com/read/28212224/exploring-the-dark-side-of-the-moon-pulmonary-vascular-dysfunction-in-acute-respiratory-distress-syndrome
#1
Michael R Pinsky
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28212223/combining-functional-hemodynamic-measures-to-increase-precision-in-defining-volume-responsiveness
#2
Michael R Pinsky
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28199780/cytomegalovirus-responsive-cd8-t-cells-expand-after-solid-organ-transplantation-in-the-absence-of-cmv-disease
#3
Lauren E Higdon, Jennifer Trofe-Clark, Sai Liu, Kenneth B Margulies, Malaya K Sahoo, Emily Blumberg, Benjamin A Pinsky, Jonathan S Maltzman
Cytomegalovirus (CMV) is a major cause of morbidity and mortality in solid-organ transplant recipients. Approximately 60% of adults are CMV seropositive indicating previous exposure. Following resolution of primary infection, CMV remains in a latent state. Reactivation is controlled by memory T cells in healthy individuals; transplant recipients have reduced memory T cell function due to chronic immunosuppressive therapies. In this study, CD8(+) T cell responses to CMV polypeptides IE-1 and pp65 were analyzed in sixteen CMV seropositive renal and cardiac transplant recipients longitudinally pre- and post-transplant...
February 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28188408/cross-comparisons-of-trending-accuracies-of-continuous-cardiac-output-measurements-pulse-contour-analysis-bioreactance-and-pulmonary-artery-catheter
#4
Bouchra Lamia, Hyung Kook Kim, Donald A Severyn, Michael R Pinsky
We compared the similarity of cardiac-output (CO) estimates between available bolus thermodilution pulmonary-artery catheters (PAC), arterial pulse-contour analysis (LiDCOplus(™), FloTrac(™) and PiCCOplus(™)), and bioreactance (NICOM(™)). Repetitive simultaneous estimates of CO obtained from the above devices were compared in 21 cardiac-surgery patients during the first 2 h post-surgery. Mean and absolute values for CO across the devices were compared by ANOVA, Bland-Altman, Pearson moment, and linear-regression analyses...
February 10, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28177195/high-incidence-of-zika-virus-infection-detected-in-plasma-and-cervical-cytology-specimens-from-pregnant-women-in-guayaquil-ecuador
#5
Hector Zambrano, Jesse Waggoner, Karina León, Benjamin Pinsky, Ketty Vera, Marissa Schettino, Lisette Rivera, José Landivar, María Granda, Angela Lee, Gil Mor
Zika virus (ZIKV) infection during pregnancy has been linked to severe birth defects, and the epidemiologic situation of the ZIKV epidemic in Ecuador is poorly understood. Guayaquil, Ecuador, has a tropical climate and experiences frequent outbreaks of dengue and chikungunya virus, and in December 2015, ZIKV was identified. Given the well-documented effects of ZIKV in pregnancy, including microcephaly, we tested for the presence of ZIKV in both plasma and cervical cytology of pregnant women. We report the identification of a population of pregnant women with a high incidence of ZIKV infection detected in the plasma and lower reproductive tract...
February 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28174559/zika-virus-chikungunya-virus-and-dengue-virus-in-cerebrospinal-fluid-from-adults-with-neurological-manifestations-guayaquil-ecuador
#6
Nathalie Acevedo, Jesse Waggoner, Michelle Rodriguez, Lissette Rivera, José Landivar, Benjamin Pinsky, Hector Zambrano
Zika virus (ZIKV), chikungunya virus (CHIKV), and dengue virus (DENV) have been associated with clinical presentations that involve acute neurological complaints. In the current study, we identified ZIKV, CHIKV, and DENV in cerebrospinal fluid (CSF) samples from patients admitted to the Hospital Luis Vernaza (Guayaquil, Ecuador) to the Emergency Room or the Intensive Care Unit, with neurological symptoms and/or concern for acute arboviral infections. Viral RNA from one or more virus was detected in 12/16 patients...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28133863/genetics-and-genotype-phenotype-correlations-in-early-onset-epileptic-encephalopathy-with-burst-suppression
#7
Heather E Olson, McKenna Kelly, Christopher M LaCoursiere, Rebecca Pinsky, Dimira Tambunan, Catherine Shain, Sriram Ramgopal, Masanori Takeoka, Mark H Libenson, Kristina Julich, Tobias Loddenkemper, Eric D Marsh, Devorah Segal, Susan Koh, Michael S Salman, Alex R Paciorkowski, Edward Yang, Ann M Bergin, Beth Rosen Sheidley, Annapurna Poduri
OBJECTIVE: We sought to identify genetic causes of early onset epileptic encephalopathies with burst suppression (Ohtahara syndrome and early myoclonic encephalopathy) and evaluate genotype-phenotype correlations. METHODS: We enrolled 33 patients with a referral diagnosis of Ohtahara syndrome or early myoclonic encephalopathy without malformations of cortical development. We performed detailed phenotypic assessment including seizure presentation, EEG, and MRI. We confirmed burst suppression in 28 out of 33 patients...
January 30, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28126818/igg-antibodies-to-dengue-enhanced-for-fc%C3%AE-riiia-binding-determine-disease-severity
#8
Taia T Wang, Jaturong Sewatanon, Matthew J Memoli, Jens Wrammert, Stylianos Bournazos, Siddhartha Kumar Bhaumik, Benjamin A Pinsky, Kulkanya Chokephaibulkit, Nattawat Onlamoon, Kovit Pattanapanyasat, Jeffery K Taubenberger, Rafi Ahmed, Jeffrey V Ravetch
Dengue virus (DENV) infection in the presence of reactive, non-neutralizing immunoglobulin G (IgG) (RNNIg) is the greatest risk factor for dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS). Progression to DHF/DSS is attributed to antibody-dependent enhancement (ADE); however, because only a fraction of infections occurring in the presence of RNNIg advance to DHF/DSS, the presence of RNNIg alone cannot account for disease severity. We discovered that DHF/DSS patients respond to infection by producing IgGs with enhanced affinity for the activating Fc receptor FcγRIIIA due to afucosylated Fc glycans and IgG1 subclass...
January 27, 2017: Science
https://www.readbyqxmd.com/read/28126409/who-should-pick-the-winners-of-climate-change
#9
REVIEW
Michael S Webster, Madhavi A Colton, Emily S Darling, Jonathan Armstrong, Malin L Pinsky, Nancy Knowlton, Daniel E Schindler
Many conservation strategies identify a narrow subset of genotypes, species, or geographic locations that are predicted to be favored under different scenarios of future climate change. However, a focus on predicted winners, which might not prove to be correct, risks undervaluing the balance of biological diversity from which climate-change winners could otherwise emerge. Drawing on ecology, evolutionary biology, and portfolio theory, we propose a conservation approach designed to promote adaptation that is less dependent on uncertain predictions about the identity of winners and losers...
January 23, 2017: Trends in Ecology & Evolution
https://www.readbyqxmd.com/read/28124086/intensive-care-medicine-in-2050-news-for-hemodynamic-monitoring
#10
Frederic Michard, Michael R Pinsky, Jean-Louis Vincent
No abstract text is available yet for this article.
January 25, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28119497/risk-for-cardiorespiratory-instability-following-transfer-to-a-monitored-step-down-unit
#11
Eliezer Bose, Lujie Chen, Gilles Clermont, Artur Dubrawski, Michael R Pinsky, Dianxu Ren, Leslie A Hoffman, Marilyn Hravnak
BACKGROUND: Hospitalized patients who develop at least one instance of cardiorespiratory instability (CRI) have poorer outcomes. We sought to describe the admission characteristics, drivers, and time to onset of initial CRI events in monitored step-down unit (SDU) patients. METHODS: Admission characteristics and continuous monitoring data (frequency 1/20 Hz) were recorded in 307 subjects. Vital sign deviations beyond local instability trigger threshold criteria, with a tolerance of 40 s and cumulative duration of 4 of 5 min, were classified as CRI events...
January 24, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28104419/pelvic-hardware-eroding-into-the-bladder-a-rare-case-presentation-of-gross-hematuria-bladder-pain-and-refractory-luts
#12
Kristen E Gurtner, Jonathan A Israel, Michael R Pinsky, James F Mautner, June B Miguez, Daniel J Canter
We present a 60 year-old male who presented with gross hematuria, refractory lower urinary tract symptoms, and increasing bladder pain for 3 months. The patient had a prior history of a motorcycle accident and pelvic fracture requiring an extensive pelvic open reduction and internal fixation. During evaluation, the patient was found to have an orthopedic screw from his hardware eroding through the left lateral wall of his bladder and irritating his trigone. The patient underwent pelvic exploration with open cystotomy and hardware removal with the orthopedic service...
January 16, 2017: Urology
https://www.readbyqxmd.com/read/28097233/ectonucleotidase-cd39-driven-control-of-postinfarction-myocardial-repair-and-rupture
#13
Nadia R Sutton, Takanori Hayasaki, Matthew C Hyman, Anuli C Anyanwu, Hui Liao, Danica Petrovic-Djergovic, Linda Badri, Amy E Baek, Natalie Walker, Keigo Fukase, Yogendra Kanthi, Scott H Visovatti, Ellen L Horste, Jessica J Ray, Sascha N Goonewardena, David J Pinsky
Mechanical complications of myocardial infarction (MI) are often fatal. Little is known about endogenous factors that predispose to myocardial rupture after MI. Ectonucleoside triphosphate diphosphohydrolase (CD39) could be a critical mediator of propensity to myocardial rupture after MI due to its role in modulating inflammation and thrombosis. Using a model of permanent coronary artery ligation, rupture was virtually abrogated in cd39(-/-) mice versus cd39(+/+) controls, with elevated fibrin and collagen deposition and marked neutrophil and macrophage influx...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28096930/management-of-adult-concealed-penis-using-a-meshed-split-thickness-skin-graft
#14
Aaron Boonjindasup, Michael Pinsky, Carrie Stewart, Landon Trost, Abigail Chaffin, David Jansen, Wayne Hellstrom
INTRODUCTION: Concealed penis (CP) is a rare problem faced by urologists and plastic surgeons. CP occurs secondary to trauma, obesity, or infection. Surgical treatment is individualized and based on patient and provider variables. We aim to review our recent experience using meshed split-thickness skin grafting (STSG) for CP management. METHODS: A retrospective review was performed on patients who underwent STSG for CP at our institution. Records were reviewed for demographic, operative, and postoperative variables...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28053213/calibration-of-bk-virus-nucleic-acid-amplification-testing-to-the-1st-who-international-standard-for-bk-virus
#15
Susanna K Tan, Stephen Milligan, Malaya K Sahoo, Nathaniel Taylor, Benjamin A Pinsky
Significant inter-assay variability in the quantification of BK virus (BKV) DNA precludes establishing broadly applicable thresholds for the management of BKV infection in transplantation. The 1(st) WHO International Standard for BKV (primary standard) was introduced in 2016 as a common calibrator to improve the harmonization of BKV nucleic acid amplification testing (NAAT) and allow comparison of biological measurements worldwide. Here we discuss the evaluation of the Altona RealStar® BKV assay (Altona) and calibration of results to the International Unit (IU) using the Exact Diagnostics® BKV Verification Panel, a secondary standard traceable to the primary standard...
January 4, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28050695/interval-lung-cancer-after-a-negative-ct-screening-examination-ct-findings-and-outcomes-in-national-lung-screening-trial-participants
#16
David S Gierada, Paul F Pinsky, Fenghai Duan, Kavita Garg, Eric M Hart, Ella A Kazerooni, Hrudaya Nath, Jubal R Watts, Denise R Aberle
OBJECTIVES: This study retrospectively analyses the screening CT examinations and outcomes of the National Lung Screening Trial (NLST) participants who had interval lung cancer diagnosed within 1 year after a negative CT screen and before the next annual screen. METHODS: The screening CTs of all 44 participants diagnosed with interval lung cancer (cases) were matched with negative CT screens of participants who did not develop lung cancer (controls). A majority consensus process was used to classify each CT screen as positive or negative according to the NLST criteria and to estimate the likelihood that any abnormalities detected retrospectively were due to lung cancer...
January 3, 2017: European Radiology
https://www.readbyqxmd.com/read/28048261/su-g-jep2-11-polymer-gels-as-3d-qa-devices-in-magnetic-resonance-guided-radiation-therapy
#17
Y Roed, M Kadbi, J Wang, L Pinsky, G Ibbott
PURPOSE: To demonstrate the potential of polymer gels to serve as 3D QA devices in MR-guided radiotherapy. METHODS: Custom-designed polymer gel dosimeters (MGS Research, Madison, CT) were centered on the penumbras of a radiation field, parallel to the magnetic field lines inside a 1.5 T MR scanner integrated with a 7 MV linac (MR-Linac). 15 Gy were delivered perpendicular to the magnetic field. Coronal MR images were acquired with a 2D balanced-Fast Field Echo (b-FFE) sequence in real-time during irradiation and with a 2D spin echo sequence at different times after irradiation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045859/data-collection-for-adverse-events-reporting-by-us-dental-schools
#18
Deborah Rooney, Kimberly Barrett, Blake Bufford, Alexandra Hylen, Matthew Loomis, Joshua Smith, Angela Svaan, Harold M Pinsky, Domenica Sweier
OBJECTIVES: Accreditation of US dental schools requires a formal system of quality assessment of clinical adverse events (AE). There is no universal system to collect, record, interpret, or release findings or trends pertaining to AEs. The objective of this study was to compare similarities and differences among the AE reporting forms used at US dental schools. METHODS: Sixteen (24%) dental schools responded to a query to provide copies of their AE forms. The forms were analyzed to identify unique AE items...
December 30, 2016: Journal of Patient Safety
https://www.readbyqxmd.com/read/28033032/dynamic-and-personalized-risk-forecast-in-step-down-units-implications-for-monitoring-paradigms
#19
Lujie Chen, Ogundele Olufunmilayo, Gilles Clermont, Marilyn Hravnak, Michael R Pinsky, Artur W Dubrawski
RATIONALE: Cardiorespiratory insufficiency (CRI) is a term applied to the manifestations of loss of normal cardiorespiratory reserve and portends a bad outcome. CRI occurs commonly in hospitalized patients, but its risk escalation patterns are unexplored. OBJECTIVES: To describe the dynamic and personal character of CRI risk evolution observed through continuous vital sign monitoring of individual Step-Down Unit patients. METHODS: Using a machine learning model, we estimated risk trends for CRI (defined as exceedance of vital sign stability thresholds) for each of 1,971 admissions (1,880 unique patients) to a 24-bed adult surgical-trauma step-down unit at an urban teaching hospital in Pittsburgh, Pennsylvania using continuously-recorded vital signs from standard bedside monitors...
December 29, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28029793/entangled-photon-excited-fluorescence-in-organic-materials-an-ultrafast-coincidence-detector
#20
Oleg Varnavski, Brian Pinsky, Theodore Goodson
We report the fluorescence emission from organic systems selectively excited by entangled pairs of photons. We have demonstrated a linear dependence of this two-photon excited fluorescence on the excitation intensity which is a unique nonclassical feature of two-photon interactions induced by entangled photons. The entangled photon (ETPA) excited fluorescence has been detected in several organic molecules possessing a high entangled photon absorption cross section. The ETPA fluorescence showed a nonmonotonic dependence on the delay between signal and idler beams...
January 19, 2017: Journal of Physical Chemistry Letters
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