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https://www.readbyqxmd.com/read/28593148/endovascular-repair-in-acute-complicated-type-b-aortic-dissection-3-year-results-from-the-valiant-us-investigational-device-exemption-study
#1
REVIEW
Chang Young Lim
Acute complicated type B aortic dissection (TBAD) is a potentially catastrophic, life-threatening condition. If left untreated, there is a high risk of aortic rupture, irreversible organ or limb damage, or death. Several risk factors have been associated with acute complicated TBAD, including age and refractory hypertension. In the acute phase, even uncomplicated patients are more prone to develop complications if hypertension and pain are left medically untreated. Innovations in stent graft technologies have incrementally improved outcomes since their first use for this condition in 1999, though improvement is needed in mitigating periprocedural complications, adverse events, and mortality...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28559711/biography-of-professor-cornel-tiberiu-opri%C3%A5-professional-maturity
#2
Alexandru Rotaru, Horatiu Rotaru
Professor Cornel Tiberiu Opris was the founder and Chair of the Clinic and University Department of Oral and Maxillofacial Surgery in Cluj, after the Education Reform of 1948. The article illustrates how the founder of these institutions led a valiant struggle for obtaining and arranging a location for the newly established Faculty of Dentistry, within the Institute of Medicine and Pharmacy. Professor Cornel Tiberiu Opriş established himself as the most prodigious researcher at the Faculty for over a quarter-century, until his retirement, introducing his original conception in the therapeutic and surgical field...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28554148/social-media-in-epilepsy-a-quantitative-and-qualitative-analysis
#3
Ying Meng, Lior Elkaim, Justin Wang, Jessica Liu, Naif M Alotaibi, George M Ibrahim, Aria Fallah, Alexander G Weil, Taufik A Valiante, Andres M Lozano, James T Rutka
BACKGROUND: While the social burden of epilepsy has been extensively studied, an evaluation of social media related to epilepsy may provide novel insight into disease perception, patient needs and access to treatments. The objective of this study is to assess patterns in social media and online communication usage related to epilepsy and its associated topics. METHODS: We searched two major social media platforms (Facebook and Twitter) for public accounts dedicated to epilepsy...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28549688/fibrodysplasia-ossificans-progressiva-the-patient-voice
#4
Ian L Cali, Laura Rossano
The following essays are the personal statements of two remarkable young individuals, Ian Cali and Laura Rossano, who candidly share their perspectives on living life with fibrodysplasia ossificans progressiva (FOP). These essays are excerpts from the opening comments that Ian and Laura delivered at The First and The Second International FOP Association Drug Development Forums in 2014 and 2016, respectively. We present these unedited essays in this special issue of BONE so that physicians, scientists, and researchers everywhere can glimpse the valiant challenges that envelop the lives of all individuals with FOP and can appreciate that diseases are not just biological processes but indelible human experiences...
May 23, 2017: Bone
https://www.readbyqxmd.com/read/28544242/percutaneous-thoracic-aortic-aneurysm-repair-through-transcaval-aortic-access
#5
Zaher Fanari, Sumaya Hammami, Nilesh J Goswami, Jeffrey A Goldstein
Transcaval aortic access has been used for deployment of transcatheter aortic valves in patients in whom conventional arterial approaches are not feasible. This access can be vital in other situation when large bore access is needed. We described a case of 65-year-old man who had large thoracic descending aortic aneurysm with diffuse bilateral iliac disease precluding the arterial access required for the procedure. The patient underwent successful transcaval access with placement of 22-Fr balloon expandable sheath followed with successful deployments of 32 mm × 32 mm × 150 mm Valiant stent graft (Medtronic, Minneapolis, MN)...
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28535393/neuroscience-when-a-single-image-can-cause-a-seizure
#6
Christopher J Honey, Taufik Valiante
It has been known since classical antiquity that viewing particular images can trigger seizures in some individuals. Now we have a clue to the mechanism, as many of these images amplify 30-80 Hz rhythmic activity in the visual brain.
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28492573/-lotus-sadra-valve-implantation-complicated-by-type-b-aortic-dissection-diagnosis-and-treatment
#7
Emanuele Cigala, Ida Monteforte, Orlando Piro, Vittorio Monda, Claudia Capozzolo, Giulio Bonzani
Transcatheter aortic valve implantation (TAVI) is a validated technique for the treatment of aortic valve stenosis in patients with high surgical risk or inoperable. We present the case of an 80-year-old woman with severe aortic valve stenosis (mean gradient 55 mmHg), mild surgical risk, who refused traditional surgery. We implanted a Lotus Sadra 25 mm (Boston Scientific, Marlborough, MA, USA) via the transfemoral route. During pull back delivery, the patient experienced interscapular pain with angiographic evidence of type B aortic dissection effectively treated by implanting a vascular endoprosthesis Valiant 30 x 150 mm (Medtronic Vascular, Santa Rosa, CA, USA)...
April 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28485550/a-history-of-diabetes-predicts-outcomes-following-myocardial-infarction-an-analysis-of-the-28-771-patients-in-the-high-risk-mi-database
#8
Athar A Tajik, Daniela Dobre, David Aguilar, John Kjekshus, Faiez Zannad, Kenneth Dickstein
AIMS: To examine the impact of diabetes mellitus on long-term clinical outcomes in patients with myocardial infarction (MI) complicated by clinical signs of heart failure (HF) or left ventricular dysfunction (LVD). METHODS AND RESULTS: The High-Risk MI Database consists of individual data from 28 771 patients and was created by merging four large recent randomized clinical trials (VALIANT, EPHESUS, OPTIMAAL, and CAPRICORN) that each examined the impact of pharmacological interventions following MI in patients with evidence of HF or LVD...
May 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28411526/endovascular-repair-of-a-ruptured-thoracic-aortic-dissection-with-a-right-sided-aortic-arch-a-case-report
#9
Jeremy L Irvan, James R Elmore, Sarah L Flora, Evan J Ryer
BACKGROUND: Emergency treatment of complex aortic pathology is challenging in the setting of a right-sided aortic arch. We report the successful treatment of a ruptured thoracic aortic aneurysm (TAA) in the setting of a Stanford type B aortic dissection (TBAD) and right-sided aortic arch. PRESENTATION OF CASE: The patient is a 66-year-old male with chronic kidney disease (CKD) admitted with right sided chest pain and hypotension. Computed tomography angiography (CTA) revealed a 5cm ruptured TAA in the setting of a TBAD and right-sided aortic arch...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28382833/dr-john-mclennan-md-aberdeen-frcp-lond-1801-1874-and-the-medical-school-of-bombay-that-failed
#10
Sunil K Pandya
In 1826, Dr John McLennan was asked by Governor Mounstuart Elphinstone of Bombay to set up the first school to teach modern medicine to Indian citizens. He was expected to create textbooks on a variety of subjects in local languages and teach medicine to poorly educated students in their native tongues. Despite his valiant efforts, the school was deemed a failure and was abolished by the Government in 1832. Sir Robert Grant, appointed Governor of Bombay in 1835, analysed records pertaining to this medical school and concluded that the school failed since Dr McLennan was not provided the assistance he needed and as his suggestions for access to a hospital to teach medicine were not heeded...
January 1, 2017: Journal of Medical Biography
https://www.readbyqxmd.com/read/28374492/in-vitro-laser-fenestration-of-aortic-stent-grafts-a-qualitative-analysis-under-scanning-electron-microscope
#11
Jing Lin, Naval Udgiri, Robert Guidoin, Jean Panneton, Xiaoning Guan, Maxime Guillemette, Lu Wang, Jia Du, Dajie Zhu, Mark Nutley, Ze Zhang
In situ fenestration of stent-grafts allows patients with life threatening aortic pathologies to be amenable to emergent "off the shelf indications for use" percutaneous treatments as a bail out technique. Three types of aortic stent-grafts were subjected to laser fenestration in a physiological saline solution followed by balloon angioplasty using 8, 10 or 12 mm in diameter noncompliant balloons. The morphology and the size of fenestrations were observed under optical and scanning electron microscopy. The damage to the fabrics was analyzed and quantified...
November 2016: Artificial Organs
https://www.readbyqxmd.com/read/28366302/results-of-the-valor-ii-trial-of-the-medtronic-valiant-thoracic-stent-graft
#12
Mark F Conrad, James Tuchek, Robert Freezor, Joseph Bavaria, Rodney White, Ronald Fairman
BACKGROUND: The 1-year results of endovascular exclusion of degenerative descending thoracic aortic aneurysms (DTA) with the Valiant Thoracic Stent Graft (Medtronic Vascular, Santa Rosa, Calif) have been previously reported. With long-term follow-up now complete, the 5-year results are reported. METHODS: The VALOR II trial (Evaluation of the Clinical Performance of the Valiant Thoracic Stent Graft System in the Treatment of Descending Thoracic Aneurysms of Degenerative Etiology in Subjects Who Are Candidates for Endovascular Repair) was a prospective, nonrandomized trial of the Valiant Thoracic Stent Graft system in patients with degenerative DTA...
March 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28335230/fluorescent-nanocomposite-of-embedded-ceria-nanoparticles-in-crosslinked-pva-electrospun-nanofibers
#13
Nader Shehata, Soha Gaballah, Effat Samir, Aya Hamed, Marwa Saad
This paper introduces a new fluorescent nanocomposite of electrospun biodegradable nanofibers embedded with optical nanoparticles. In detail, this work introduces the fluorescence properties of PVA nanofibers generated by the electrospinning technique with embedded cerium oxide (ceria) nanoparticles. Under near-ultra violet excitation, the synthesized nanocomposite generates a visible fluorescent emission at 520 nm, varying its intensity peak according to the concentration of in situ embedded ceria nanoparticles...
June 1, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28301707/authenticity-best-interest-and-clinical-nudging
#14
Søren Holm
In this issue of the Hastings Center Report, Moti Gorin, Steven Joffe, Neal Dickert, and Scott Halpern offer a comprehensive defense of the use of nudging techniques in the clinical context, with the aim of promoting the best interests of patients. Their argument is built on three important claims: Nudging is ubiquitous and inescapable in clinical choice situations, and there is no neutral way of informing patients about their treatment choices; many patients do not have authentic (preexisting) preferences concerning their treatment choices, and those that do can easily resist nudging; and, finally, since many people lack authentic preferences and those that do can still act on their preferences, nudging in the patients' best interest is justified...
March 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28121081/familial-melanoma-and-multiple-primary-melanoma
#15
Paola DE Simone, Michele Valiante, Vitaliano Silipo
Cutaneous Melanoma (CM) is the most deadly of the common skin cancers and its incidence is rising worldwide contributing to significant health care burden (2). CM is considered the most lethal skin cancer if it is not detected and treated during its early stages (2). Susceptibility to CM is also associated with an increased presence of atypical nevi and the occurrence of multiple primary melanoma. Personal history of CM increases 5-8% the risk of developing a second melanoma. Finally, family history of melanoma has been widely associated with an increased melanoma risk (1)...
January 24, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28032280/fluorescent-nanocomposite-of-embedded-ceria-nanoparticles-in-electrospun-chitosan-nanofibers
#16
Nader Shehata, Effat Samir, Soha Gaballah, Aya Hamed, Marwa Saad, Mohammed Salah
This paper introduces a detailed optical characterization for a novel fluorescent biodegradable nanocomposite of electro-spun chitosan nanofibers with in-situ embedded cerium oxide (ceria) nanoparticles as the nanocomposite optical fluorescent material. Under near ultra-violet excitation, this synthesized nanocomposite emits a visible green wavelength at nearly 520nmwith different intensities according to the concentration of the embedded fluorescent material; i.e. ceria nanoparticles. This emission is due to the synthesized ceria nanoparticles optical tri-valiant cerium ions ce(3+), associated with formed oxygen vacancies with a direct allowed bandgap around 3...
December 28, 2016: Journal of Fluorescence
https://www.readbyqxmd.com/read/27994872/air-bubbles-are-released-by-thoracic-endograft-deployment-an-in-vitro-experimental-study
#17
Kamuran Inci, Giasemi Koutouzi, Valery Chernoray, Anders Jeppsson, Håkan Nilsson, Mårten Falkenberg
PURPOSE: Embolic stroke is a dreaded complication of thoracic endovascular aortic repair. The prevailing theory about its cause is that particulate debris from atherosclerotic lesions in the aortic wall are dislodged by endovascular instruments and embolize to the brain. An alternative source of embolism might be air trapped in the endograft delivery system. The aim of this experimental study was to determine whether air is released during deployment of a thoracic endograft. METHODS: In an experimental benchtop study, eight thoracic endografts (five Medtronic Valiant Thoracic and three Gore TAG) were deployed in a water-filled transparent container drained from air...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27918580/correction-gene-expansion-shapes-genome-architecture-in-the-human-pathogen-lichtheimia-corymbifera-an-evolutionary-genomics-analysis-in-the-ancient-terrestrial-mucorales-mucoromycotina
#18
Volker U Schwartze, Sascha Winter, Ekaterina Shelest, Marina Marcet-Houben, Fabian Horn, Stefanie Wehner, Jörg Linde, Vito Valiante, Michael Sammeth, Konstantin Riege, Minou Nowrousian, Kerstin Kaerger, Ilse D Jacobsen, Manja Marz, Axel A Brakhage, Toni Gabaldón, Sebastian Böcker, Kerstin Voigt
[This corrects the article DOI: 10.1371/journal.pgen.1004496.].
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27908809/a-combination-of-thoracic-and-abdominal-stent-grafts-to-treat-an-abdominal-aortic-aneurysm-with-hostile-proximal-neck
#19
Mafalda Massara, Roberto Prunella, Pasquale Gerardi, Giovanni De Caridi, Raffaele Serra, Stefano Notarstefano, Giovanni Impedovo
Endovascular aneurysm repair (EVAR) actually represents the treatment of choice for most patients affected by abdominal aortic aneurysm (AAA). However, the feasibility of EVAR depends on anatomical characteristics of abdominal aorta and iliofemoral axis. We present the case of an 82-year-old man affected by severe left hydronephrosis, kidney tumor, and ureteral tumor requiring nephrectomy, who also presented a very voluminous AAA with a large diameter (96 mm), and a large proximal neck (39 mm) with severe angulation of the proximal neck (>60°)...
February 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27904769/disruption-of-actin-filaments-and-suppression-of-pancreatic-cancer-cell-viability-and-migration-following-treatment-with-polyisoprenylated-cysteinyl-amides
#20
Augustine T Nkembo, Olufisayo Salako, Rosemary A Poku, Felix Amissah, Elizabeth Ntantie, Hernan Flores-Rozas, Nazarius S Lamango
Pancreatic cancer is characterized by K-Ras mutations in over 90% of the cases. The mutations make the tumors aggressive and resistant to current therapies resulting in very poor prognoses. Valiant efforts to drug mutant K-Ras and related proteins for the treatment of cancers with Ras mutations have been elusive. The need thus persists for therapies to target and suppress the hyperactive K-Ras mutant proteins to normal levels of activity. Polyisoprenylated cysteinyl amide inhibitors (PCAIs) of polyisoprenylated methylated protein methyl esterase (PMPMEase) were designed to disrupt polyisoprenylated protein metabolism and/or functions...
2016: American Journal of Cancer Research
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