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https://www.readbyqxmd.com/read/28549358/-complication-analysis-in-lisfranc-fracture-dislocation
#1
R J García-Renedo, A Carranza-Bencano, R Leal-Gómez, F Cámara-Arrigunaga
OBJECTIVE: To value the complications and sequels for patients with Lisfrancs fracture-luxation (FLL). MATERIAL AND METHODS: A transverse ambispective study of cohorts was realized of 83 patients by diagnosis of Lisfrancs fracture-luxation. There was in use a protocol of withdrawal of information with variables related to the injury, clinical, therapeutic parameters, complications and scales of clinical valuation. RESULTS: 66 patients (79...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549348/ocular-toxicities-associated-with-targeted-anticancer-agents-an-analysis-of-clinical-data-with-management-suggestions
#2
Chen Fu, Dan S Gombos, Jared Lee, Goldy C George, Kenneth Hess, Andrew Whyte, David S Hong
Ocular toxicities are among the most common adverse events resulting from targeted anticancer agents and are becoming increasingly relevant in the management of patients on these agents. The purpose of this study is to provide a framework for management of these challenging toxicities based on objective data from FDA labels and from analysis of the literature. All oncologic drugs approved by the FDA up to March 14, 2015, were screened for inclusion. A total of 16 drugs (12 small-molecule drugs and 4 monoclonal antibodies) were analyzed for ocular toxicity profiles based on evidence of ocular toxicity...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549307/thymoquinone-protects-against-the-sepsis-induced-mortality-mesenteric-hypoperfusion-aortic-dysfunction-and-multiple-organ-damage-in-rats
#3
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Aysun Toker, Sultan Pehlivan, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
BACKGROUND: Thymoquinone (TQ) is a potent cytoprotective, antioxidant and anti-inflammatory agent. We aimed to investigate the possible protective effects of TQ on survival, mesenteric artery blood flow (MABF), vascular reactivity, oxidative and inflammatory injuries in a murine sepsis model induced by cecal ligation and puncture (CLP). METHODS: Wistar rats were divided into the following four groups: Sham, CLP, Sham+TQ and CLP+TQ. TQ (1mg/kg/day) or vehicle (dimethyl sulfoxide, 1mL/kg/day) was intraperitoneally injected for 3 days...
March 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28549278/effects-of-varenicline-and-nicotine-replacement-therapy-on-arterial-elasticity-endothelial-glycocalyx-and-oxidative-stress-during-a-3-month-smoking-cessation-program
#4
Ignatios Ikonomidis, Margarita Marinou, Dimitrios Vlastos, Kallirhoe Kourea, Ioanna Andreadou, Nikolaos Liarakos, Helen Triantafyllidi, George Pavlidis, Elias Tsougos, John Parissis, John Lekakis
BACKGROUND AND AIMS: The effects of medically-aided smoking cessation on vascular function and oxidative stress are not fully clarified. METHODS: One hundred eighty-eight current smokers were randomized to varenicline or nicotine replacement treatment (NRT) for a 3-month period. We assessed: (a) augmentation index (Aix) and pulse wave velocity (PWV); (b) perfusion boundary region (PBR) of sublingual microvasculature (range:5-25 μm), an index of the endothelial glycocalyx thickness, using Sideview, Darkfield imaging; (c) the exhaled CO; and (d) the malondialdehyde (MDA) and protein carbonyls (PC) plasma levels, as markers of oxidative stress, at baseline and after 3 and 12 months...
May 13, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28549249/cd146-mcam-in-human-cs-dlk1-cs-cd34-adipose-stromal-progenitor-cells
#5
Susanne Hörl, Asim Ejaz, Sebastian Ernst, Monika Mattesich, Andreas Kaiser, Brigitte Jenewein, Marit E Zwierzina, Sarina Hammerle, Carina Miggitsch, Maria C Mitterberger-Vogt, Claudia Krautgasser, Gerhard Pierer, Werner Zwerschke
To precisely characterize CD146 in adipose stromal/progenitor cells (ASCs) we sorted the stromal vascular faction (SVF) of human abdominal subcutaneous white adipose tissue (sWAT) according to cell surface (cs) expression of CD146, DLK1 and CD34. This test identified three main SVF cell populations: ~50% cs-DLK1(-)/cs-CD34(+)/cs-CD146(-) ASCs, ~7.5% cs-DLK1(+)/cs-CD34(dim/+)/cs-CD146(+) and ~7.5% cs-DLK1(+)/cs-CD34(dim/+)/cs-CD146(-) cells. All cells contained intracellular CD146. Whole mount fluorescent IHC staining of small vessels detected CD146(+) endothelial cells (CD31(+)/CD34(+)/CD146(+)) and pericytes (CD31(-)/CD34(-)/CD146(+) ASCs)...
May 17, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28549248/metastatic-chromophobe-renal-cell-carcinoma-treated-with-targeted-therapies-a-renal-cross-channel-group%C3%A2-study
#6
Emeline Colomba, Gwénaël Le Teuff, Tim Eisen, Grant D Stewart, Kate Fife, James Larkin, Andrea Biondo, Lisa Pickering, Anandagopal Srinivasan, Helen Boyle, Lisa Derosa, Cora N Sternberg, Federica Recine, Christy Ralph, Carolina Saldana, Philippe Barthélémy, Jean Christophe Bernhard, Howard Gurney, Gregory Verhoest, Elodie Vauleon, Pierre Bigot, Julien Berger, Christian Pfister, Gwenaelle Gravis, Jean-Michel Rodier, Stéphane Culine, Armelle Caty, Frederic Rolland, Franck Priou, Bernard Escudier, Laurence Albiges
BACKGROUND: Treatment of non-clear cell renal cell carcinoma (RCC) remains controversial despite several recent prospective studies of targeted therapies (TT). Often Vascular Endothelial growth Factor (VEGF) and Mammalian Target of Rapamycin (mTOR) inhibitors are used, extrapolating the data from use of these agents in clear cell RCC. METHODS: We performed a retrospective data analysis within the Renal Cross Channel Group to determine metastatic chromophobe RCC (mChRCC) outcomes in the TT era...
May 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28549238/risk-factors-and-mechanisms-contributing-to-tki-induced-vascular-events-in-patients-with-cml
#7
REVIEW
Peter Valent, Emir Hadzijusufovic, Gregor Hoermann, Wolfgang Füreder, Gerit-Holger Schernthaner, Wolfgang R Sperr, Rudolf Kirchmair, Dominik Wolf
Vascular adverse events (VAE) are an emerging problem in patients with chronic myeloid leukemia (CML) receiving second-generation BCR-ABL1 tyrosine kinase inhibitors (TKI). Relevant VAE comprise peripheral, cerebral, and coronary artery changes in patients receiving nilotinib, venous and arterial occlusive events during ponatinib therapy, and pulmonary hypertension in patients receiving dasatinib. Although each TKI binds to a unique profile of molecular targets in leukemic cells and vascular cells, the exact etiology of drug-induced vasculopathies remains uncertain...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28549227/too-much-or-just-enough-of-a-good-thing-vascular-endothelial-growth-factor-inhibition-in-renal-cell-carcinoma
#8
Lauren C Harshman
No abstract text is available yet for this article.
June 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28549191/maintenance-of-phosphate-homeostasis-and-root-development-are-coordinately-regulated-by-myb1-an-r2r3-type-myb-transcription-factor-in-rice
#9
Mian Gu, Jun Zhang, Huanhuan Li, Daqian Meng, Ran Li, Xiaoli Dai, Shichao Wang, Wei Liu, Hongye Qu, Guohua Xu
The adaptive responses of plants to phosphate (Pi) starvation stress are fine-tuned by an elaborate regulatory network. In this study, we identified and characterized a novel Pi starvation-responsive gene, MYB1, encoding an R2R3-type transcription factor in rice. MYB1 was transcriptionally induced in leaf sheaths and old leaf blades. It was localized to the nucleus and expressed mainly in vascular tissues. Mutation of MYB1 led to an increase in Pi uptake and accumulation, accompanied by altered expression of a subset of Pi transporters and several genes involved in Pi starvation signaling...
May 26, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28549099/impact-of-resident-and-fellow-changeovers-on-patient-outcomes-a-nationwide-cross-sectional-study
#10
Jean-David Zeitoun, Jeanne Reboul-Marty, Jérémie H Lefèvre
Findings regarding the association of cohort changeovers with patient outcomes are mixed. We sought to examine the association of resident and fellow changeovers with a comprehensive set of indicators. We performed a cross-sectional comparative study including all French teaching and non-teaching hospitals. All-cause mortality and length of stay were assessed. Focused analysis for three medical conditions (myocardial infarction, intestinal hemorrhage, stroke) and three surgical procedures (colorectal, vascular and spine surgery) was performed regarding other quality and efficiency indicators (readmissions, intensive care unit admission, transfers)...
May 25, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28549023/technical-feasibility-of-a-combined-noncontrast-magnetic-resonance-protocol-for-preoperative-transcatheter-aortic-valve-replacement-evaluation
#11
Paola M Cannaò, Giuseppe Muscogiuri, U Joseph Schoepf, Carlo N De Cecco, Pal Suranyi, Virginia W Lesslie, Davide Piccini, Shivraman Giri, Akos Varga-Szemes
PURPOSE: The aim of this study was to prospectively evaluate the technical feasibility of a noncontrast magnetic resonance angiography (MRA) protocol using investigational prototype self-navigated 3D (SN3D) radial whole-heart and quiescent-interval single-shot (QISS) pulse sequences regarding their potential in planning transcatheter aortic valve replacement (TAVR). MATERIALS AND METHODS: Five patients (76±7 y) with severe aortic valve stenosis and prior computed tomographic angiography (CTA) for TAVR planning and 10 healthy volunteers (28±6 y) underwent noncontrast MRA on a 1...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28549011/use-of-elderly-donors-in-liver-transplantation-a-paired-match-analysis-at-a-single-center
#12
Davide Ghinolfi, Quirino Lai, Daniele Pezzati, Paolo De Simone, Erion Rreka, Franco Filipponi
OBJECTIVE: To evaluate the use of elderly donors in liver transplantation (LT) and identify risk factors associated with a worse outcome. SUMMARY BACKGROUND DATA: Use of livers from very old donors could expand the donor pool but is not universally implemented. METHODS: This is a retrospective, single-center medical record review. From January 2001 to December 2014, 1354 LTs were performed. After exclusion of donors <18 years, ABO-incompatible LT, re-LT and UNOS 1 status patients, LT recipients were stratified into 2 groups based on donor age: 18-69 (n=692) vs...
May 25, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28549004/efficiency-of-b-mode-ultrasound-and-strain-elastography-in-differentiating-between-benign-and-malignant-cervical-lymph-nodes
#13
Eser Tugut, Cetin Celenk, Asli Tanrivermis Sayit, Tümay Bekci, Hediye Pinar Gunbey, Kerim Arslan
PURPOSE: The purpose of this study was to evaluate the diagnostic accuracy and efficiency of ultrasonography (US), especially when combined with strain elastography (SE), in differentiating between benign and malignant cervical lymph nodes (LNs). METHODS: Forty-one LNs were examined by B-mode US, power Doppler US, and SE. The following imaging features were analyzed: shape, echogenicity, echogenic hilum, calcification, intranodal vascular pattern, elasticity scores (5 categories), and strain ratio...
May 25, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28548925/immunological-consequences-of-ageing-microvascular-hemodynamic-changes-in-view-of-cancer-development-and-treatment
#14
REVIEW
Jinhyuk Fred Chung, Sang Joon Lee, Anil K Sood
Risk factors of cardiovascular diseases have long been implicated as risk factors for carcinogenesis, but clear explanations for their association have not been presented. In this article, fundamental concepts from carcinogenesis, microvascular hemodynamics, and immunity are collectively reviewed and analyzed in context of the known features of vascular ageing effects, in formulating a theory that suggests reduced microvascular immunity as an important driving factor for carcinogenesis. Furthermore, scientific, preclinical, and clinical evidence that support this new theory are presented in an interdisciplinary manner, offering new explanations to previously unanswered factors that impact cancer risks and its treatment outcome such as chronic drug use, temperature, stress and exercise effects among others...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548693/hemodynamic-impact-of-the-c-pulse-cardiac-support-device-a-one-dimensional-arterial-model-study
#15
Daimé Campos Arias, Francisco Londono, Tania Rodríguez Moliner, Dimitrios Georgakopoulos, Nikos Stergiopulos, Patrick Segers
The C-Pulse is a novel extra-aortic counter-pulsation device to unload the heart in patients with heart failure. Its impact on overall hemodynamics, however, is not fully understood. In this study, the function of the C-Pulse heart assist system is implemented in a one-dimensional (1-D) model of the arterial tree, and central and peripheral pressure and flow waveforms with the C-Pulse turned on and off were simulated. The results were studied using wave intensity analysis and compared with in vivo data measured non-invasively in three patients with heart failure and with invasive data measured in a large animal (pig)...
May 26, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28548628/endothelial-progenitor-cells-for-the-vascularization-of-engineered-tissues
#16
Erica Brown Peters
Self-assembled microvasculature from cocultures of endothelial cells and stromal cells have significantly advanced efforts to vascularize engineered tissues by enhancing perfusion rates <i>in vivo</i> and producing investigative platforms for microvascular morphogenesis <i>in vitro</i>. However, in order to clinically translate prevascularized constructs, the issue of endothelial cell source must be resolved. Endothelial progenitor cells (EPCs) can be noninvasively supplied from the recipient through adult peripheral and umbilical cord blood, as well as derived from induced pluripotent stem cells, alleviating antigenicity issues...
May 26, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28548594/immediate-ex-vivo-diagnosis-of-pituitary-adenomas-using-confocal-reflectance-microscopy-a-proof-of-principle-study
#17
Michael A Mooney, Joseph Georges, Mohammedhassan Izady Yazdanabadi, Katherine Y Goehring, William L White, Andrew S Little, Mark C Preul, Stephen W Coons, Peter Nakaji, Jennifer M Eschbacher
OBJECTIVE The objective of this study was to evaluate the feasibility of using confocal reflectance microscopy (CRM) ex vivo to differentiate adenoma from normal pituitary gland in surgical biopsy specimens. CRM allows for rapid, label-free evaluation of biopsy specimens with cellular resolution while avoiding some limitations of frozen section analysis. METHODS Biopsy specimens from 11 patients with suspected pituitary adenomas were transported directly to the pathology department. Samples were immediately positioned and visualized with CRM using a confocal microscope located in the same area of the pathology department where frozen sections are prepared...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28548479/insular-gliomas-a-surgical-reappraisal-based-on-a-systematic-review-of-the-literature
#18
Domenico Murrone, Rodolfo Maduri, Afif Afif, Domenico Chirchiglia, Isabelle Pelissou-Guyotat, Jacques Guyotat, Francesco Signorelli
INTRODUCTION: Insular gliomas are heterogeneous lesions whose management presents multiple challenges for their tendency to affect young patients in good neurological and cognitive conditions, their deep anatomic location and proximity with critical functional and vascular structures. The appropriate management of insular gliomas requires a multidisciplinary evidence-centred teamwork grounded on the best anatomic, neurophysiological and oncological knowledge. The present study provides a reappraisal of the management of insular gliomas based on a systematic review of the literature with the aim of guiding clinicians in the management of such tumors...
May 25, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28548473/initial-experience-with-the-e-ventus%C3%A2-stentgraft-for-endovascular-treatment-of-visceral-artery-aneurysms
#19
Susanne Anton, Erik Stahlberg, Marco Horn, Marcus Wiedner, Markus Kleemann, Joerg Barkhausen, Jan P Goltz
BACKGROUND: To evaluate the safety and efficacy of a novel balloon-expandable stentgraft for endovascular treatment of visceral artery aneurysms (VAA). METHODS: Between 9/2014 and 1/2017 seven patients (69+/-15y) with true (n=4) and false (n=3) VAAs were treated by implantation of balloon-expandable stentgrafts (E-ventus®, Jotec, Germany) using a trans-femoral (n=2) or -brachial (n=5) vascular access. The stentgraft was placed without prior passing of the landing zone with a sheath...
May 26, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28548472/begraft-peripheral-pmcf-study-12-month-results
#20
Koen Deloose, Marc Bosiers, Joren Callaert, Patrick Peeters, Jurgen Verbist, Wouter van den Eynde, Lieven Maene, Roel Beelen, Koen Keirse
BACKGROUND: The Begraft Peripheral PMCF study is a prospective, non-randomized study, conducted at the vascular departments of 4 hospitals in Belgium. This manuscript reports the findings up to 12-month follow-up time for the total cohort. The primary endpoint of the study is primary patency at 12 months. Primary patency is defined as a target lesion without a hemodynamically significant stenosis on duplex ultrasound (>50%, systolic velocity ratio no greater than 2.4) and without Target Lesion Revascularization (TLR) within 12 months...
May 26, 2017: Journal of Cardiovascular Surgery
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