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https://www.readbyqxmd.com/read/28433995/effect-of-prophylactic-dialysis-on-morbidity-and-mortality-in-non-dialysis-dependent-patients-after-coronary-artery-bypass-grafting-a-pilot-study
#1
Roghayeh Borji, Seyyed Hossein Ahmadi, Khosrow Barkhordari, Ali Pasha Meysami, Abbas Ali Karimi, Seyedeh Hamideh Mortazavi, Parinaaz Dadlani, Farah Ayatollah Zadeh Esfahani, Seyyed Mohammad Reza Khatami
BACKGROUND/AIMS: Coronary artery bypass grafting (CABG) is associated with an increased risk of morbidity and mortality in patients with pre-existing renal dysfunction. Numerous measures have been implemented to overcome this problem; however, no improvement in outcomes has been achieved. This study was aimed at investigating the effects of prophylactic dialysis on mortality and morbidity in these patients. METHODS: This randomized-controlled clinical trial enrolled 88 non-dialysis-dependent patients with chronic kidney disease awaiting CABG surgery...
April 22, 2017: Nephron
https://www.readbyqxmd.com/read/28431865/statin-use-and-other-factors-associated-with-mortality-after-major-lower-extremity-amputation
#2
Charles DeCarlo, Larry Scher, Saadat Shariff, John Phair, Evan Lipsitz, Karan Garg
OBJECTIVE: Above-knee amputations (AKAs) and below-knee amputations (BKAs) are associated with high postoperative mortality rates. In this study, we examined factors associated with 30-day, 90-day, and 1-year mortality in patients who underwent a major lower extremity amputation. METHODS: We queried a prospectively collected institutional database for all patients who underwent AKA or BKA with primary or secondary closure, during a 5-year period, between November 2009 and November 2014...
April 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28430666/myc-induced-glutaminolysis-bypasses-hif-driven-glycolysis-in-hypoxic-small-cell-lung-carcinoma-cells
#3
Matilda Munksgaard Thorén, Marica Vaapil, Johan Staaf, Maria Planck, Martin E Johansson, Sofie Mohlin, Sven Påhlman
We previously demonstrated that small cell lung carcinoma (SCLC) cells lack HIF-2α protein expression, whereas HIF-1α in these cells is expressed at both acute and prolonged hypoxia. Here we show that low HIF2A expression correlates with high expression of MYC genes. Knockdown of HIF1A expression had no or limited effect on cell survival and growth in vitro. Unexpectedly, hypoxic ATP levels were not affected by HIF-1α knockdown and SCLC cell viability did not decrease upon glucose deprivation. In line with these in vitro data, xenograft tumor-take and growth were not significantly affected by repressed HIF1A expression...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429927/endovascular-correction-in-acute-bleeding-after-femoropopliteal-bypass-a-single-centre-experience
#4
Giulia Mazzitelli, Mariagnese Mele, Francesco Setacci, Giuseppe Galzerano, Gianmarco DE Donato, Domenico Benevento, Massimiliano W Guerrieri, Carlo Setacci
INTRODUCTION: The endovascular correction (EC) has emerged in recent years as a possible alternative to surgical revision (SR) in case of bleeding complications after peripheral bypass (PB) . The purpose of this study is to evaluate the efficacy and safety of EC compared to SR in case of bleeding complications of PB. METHODS: From January 2004 to December 2014, we have submitted 32 patients to surgery for acute bleeding in previous PB (25 venous bypass, in situ or reversed, 6 PTFE bypass and 1 composite bypass)...
April 21, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28428521/-simple-evaluation-of-left-hand-function-after-thoracic-endovascular-aortic-repair-with-obstruction-of-left-subclavian-artery
#5
Ryo Onishi, Nobuhiro Kataoka, Tomomi Nakajima, Masami Kuramochi, Mayumi Shinonaga, Setsuo Kuraoka
We evaluated left hand function with or without obstruction of left subclavian artery for 29 cases of thoracic endovascular aortic repair (TEVAR). 18 cases of distal true aortic aneurysm were undergone surgery with simple direct closure of left subclavian artery (LSCA). The other 11 cases of true arch aneurysm were revascularized by axilla-carotid-axilla bypass grafting with TEVAR. Later 26 cases were evaluated by blood pressure, maximal grasping power, persisting duration of 60% maximal grasping power, circumferential length of upper and forearms, and simple test for evaluating hand function (STEF)...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28428447/comparison-of-mid-term-graft-patency-between-on-pump-and-off-pump-coronary-artery-bypass-grafting
#6
Tatsuya Seki, Toshihito Yoshida
BACKGROUND: Multiple studies have compared on-pump coronary artery bypass (ONCAB) grafting with off-pump coronary artery bypass (OPCAB) grafting, but the optimal surgical strategy has yet to be established. Furthermore, there is limited evidence regarding mid-term graft patency rates. METHODS: Between April 2001 and March 2014, 365 consecutive patients underwent isolated coronary artery bypass grafting (CABG; male: 75%; mean age: 69 ± 10 years). After propensity-score-matched analysis, we assessed the results of 67 patients in each group (ONCAB: group A, OPCAB: group B)...
April 19, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28428274/egfr-mediates-responses-to-small-molecule-drugs-targeting-oncogenic-fusion-kinases
#7
Aria Vaishnavi, Laura Schubert, Uwe Rix, Lindsay A Marek, Anh T Le, Stephen Keysar, Magdalena J Glogowska, Matthew A Smith, Severine L Kako, Natalia J Sumi, Kurtis D Davies, Kathryn E Ware, Marileila Varella-Garcia, Eric B Haura, Antonio Jimeno, Lynn E Heasley, Dara L Aisner, Robert C Doebele
Oncogenic kinase fusions of ALK, ROS1, RET and NTRK1 act as drivers in human lung and other cancers. Residual tumor burden following treatment of ALK or ROS1+ lung cancer patients with oncogene-targeted therapy ultimately enables the emergence of drug-resistant clones, limiting the long-term effectiveness of these therapies. To determine the signaling mechanisms underlying incomplete tumor cell killing in oncogene-addicted cancer cells, we investigated the role of EGFR signaling in drug-naive cancer cells harboring these oncogene fusions...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28425027/10-year-results-of-on-x-bileaflet-mechanical-heart-valve-in-the-aortic-position-low-target-inr-regimen-in-japanese
#8
Hideki Teshima, Masahiko Ikebuchi, Yosuke Miyamoto, Ryuta Tai, Toshikazu Sano, Yusuke Kinugasa, Hiroyuki Irie
OBJECTIVES: This study was designed to establish clinical outcomes after aortic valve replacement (AVR) with On-X bileaflet mechanical heart valve. METHODS: Between 2006 and 2014, AVR was performed to 686 patients. Of them, 78 patients using On-X valve were enrolled. The mean age was 65 ± 11 years (ranged 33-85); 65% were men; and 81% were in sinus rhythm preoperatively. Calcific or degenerative tricuspid aortic valve was present in 73%. Concomitant procedures included coronary artery bypass grafting (22%), Bentall (8%), mitral valve procedure (3%) and other (9%)...
April 19, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28424425/ephrin-b3-supports-glioblastoma-growth-by-inhibiting-apoptosis-induced-by-the-dependence-receptor-epha4
#9
Amélie Royet, Laura Broutier, Marie-May Coissieux, Céline Malleval, Nicolas Gadot, Denis Maillet, Lise Gratadou-Hupon, Agnès Bernet, Pascale Nony, Isabelle Treilleux, Jérôme Honnorat, Daniel Liebl, Laurent Pelletier, François Berger, David Meyronet, Marie Castets, Patrick Mehlen
EphA4, an Ephrins tyrosine kinase receptor, behaves as a dependence receptor (DR) by triggering cell apoptosis in the absence of its ligand Ephrin-B3. DRs act as conditional tumor suppressors, engaging cell death based on ligand availability; this mechanism is bypassed by overexpression of DRs ligands in some aggressive cancers. The pair EphA4/Ephrin-B3 favors survival of neuronal progenitors of the brain subventricular zone, an area where glioblastoma multiform (GBM) are thought to originate. Here, we report that Ephrin-B3 is highly expressed in human biopsies and that it inhibits EphA4 pro-apoptotic activity in tumor cells...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423606/ephrin-b3-supports-glioblastoma-growth-by-inhibiting-apoptosis-induced-by-the-dependence-receptor-epha4
#10
Amélie Royet, Laura Broutier, Marie-May Coissieux, Céline Malleval, Nicolas Gadot, Denis Maillet, Lise Gratadou-Hupon, Agnès Bernet, Pascale Nony, Isabelle Treilleux, Jérôme Honnorat, Daniel Liebl, Laurent Pelletier, François Berger, David Meyronet, Marie Castets, Patrick Mehlen
EphA4, an Ephrins tyrosine kinase receptor, behaves as a dependence receptor (DR) by triggering cell apoptosis in the absence of its ligand Ephrin-B3. DRs act as conditional tumor suppressors, engaging cell death based on ligand availability; this mechanism is bypassed by overexpression of DRs ligands in some aggressive cancers. The pair EphA4/Ephrin-B3 favors survival of neuronal progenitors of the brain subventricular zone, an area where glioblastoma multiform (GBM) are thought to originate. Here, we report that Ephrin-B3 is highly expressed in human biopsies and that it inhibits EphA4 pro-apoptotic activity in tumor cells...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416334/a-systematic-approach-to-improve-the-outcomes-of-type-a-aortic-dissection
#11
Hidefumi Nishida, Minoru Tabata, Toshihiro Fukui, Yasunori Sato, Hajime Kin, Shuichiro Takanashi
OBJECTIVES: The aims of this study are to evaluate the outcomes and trends of contemporary emergency surgery for acute type A aortic dissection on the basis of a systematic approach and to assess the impact of temporary aortic crossclamping during systemic cooling on early and late outcomes. METHODS: We retrospectively reviewed 702 consecutive patients who underwent emergency surgery for acute type A aortic dissection between March 2004 and May 2015. Our clinical protocol includes rapid transfer to the operating room, quick establishment of cardiopulmonary bypass, temporary aortic crossclamping during cooling, primary entry resection, and open distal anastomosis...
March 23, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28409734/intratumoral-delivery-of-bortezomib-impact-on-survival-in-an-intracranial-glioma-tumor-model
#12
Weijun Wang, Hee-Yeon Cho, Rachel Rosenstein-Sisson, Nagore I Marín Ramos, Ryan Price, Kyle Hurth, Axel H Schönthal, Florence M Hofman, Thomas C Chen
OBJECTIVE Glioblastoma (GBM) is the most prevalent and the most aggressive of primary brain tumors. There is currently no effective treatment for this tumor. The proteasome inhibitor bortezomib is effective for a variety of tumors, but not for GBM. The authors' goal was to demonstrate that bortezomib can be effective in the orthotopic GBM murine model if the appropriate method of drug delivery is used. In this study the Alzet mini-osmotic pump was used to bring the drug directly to the tumor in the brain, circumventing the blood-brain barrier; thus making bortezomib an effective treatment for GBM...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28407126/mitral-valve-replacement-in-severely-calcified-mitral-valve-annulus-a-10-year-experience
#13
Kareem Salhiyyah, Hassan Kattach, Ahmed Ashoub, Diana Patrick, Szabolcs Miskolczi, Geoffrey Tsang, Sunil K Ohri, Clifford W Barlow, Theodore Velissaris, Steve Livesey
OBJECTIVES: Severe calcification in the mitral valve annulus is a challenging problem during mitral valve surgery. We describe our experience with mitral valve replacement in severely calcified mitral valve without decalcification of the annulus. METHODS: Between April 2001 and July 2011, 61 patients underwent mitral valve replacement with severe mitral annulus calcification without decalcification of the annulus. This retrospective study was performed to assess the surgical and the long-term postoperative outcomes in this group...
April 11, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28403481/do-flow-and-pulsatility-index-within-the-accepted-ranges-predict-long-term-outcomes-after-coronary-artery-bypass-grafting
#14
Maximiliano De Leon, Roberto Stanham, Gerardo Soca, Victor Dayan
Background Transit-time flow measurement (TTFM) is the gold standard for intraoperative detection of graft failure. Several reports show that TTFM and distal coronary bed quality (DCBQ) may also be useful for midterm detection of graft failure. Nonetheless, there are no data regarding their predictive role on long-term outcomes. Methods Patients with three-vessel disease who underwent isolated coronary artery bypass grafting (CABG) in 2006 and received at least one graft to the left anterior descending artery (LAD) or to the first obtuse marginal (OM1) or posterior descending artery (PDA) were included...
April 12, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28398149/african-american-prostate-cancer-survivorship-exploring-the-role-of-social-support-in-quality-of-life-after-radical-prostatectomy
#15
Kellie R Imm, Faustine Williams, Ashley J Housten, Graham A Colditz, Bettina F Drake, Keon L Gilbert, Lin Yang
PURPOSE: The aim of this study was to explore the African American prostate cancer survivorship experience following radical prostatectomy and factors contributing to quality of life during survival. DESIGN: African American men who were part of a larger prostate cancer cohort were invited to participate in a focus group. Eighteen open-ended questions were designed by the study team and an experienced moderator to elicit participants' survivorship experiences. RESULTS: Twelve men consented to participate in the study...
April 11, 2017: Journal of Psychosocial Oncology
https://www.readbyqxmd.com/read/28396989/cardiac-surgery-2016-reviewed
#16
REVIEW
Torsten Doenst, Yasin Essa, Khalil Jacoub, Alexandros Moschovas, David Gonzalez-Lopez, Hristo Kirov, Mahmoud Diab, Steffen Bargenda, Gloria Faerber
For the year 2016, more than 20,000 published references can be found in Pubmed when entering the search term "cardiac surgery". Publications last year have helped to more clearly delineate the fields where classic surgery and modern interventional techniques overlap. The field of coronary bypass surgery (partially compared to percutaneous coronary intervention) was enriched by five large prospective randomized trials. The value of CABG for complex coronary disease was reconfirmed and for less complex main stem lesions, PCI was found potentially equal...
April 10, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28396082/pregnancy-related-spontaneous-coronary-artery-dissection-a%C3%A2-case-series-and-literature-review
#17
Emily Rose, Maheedhar Gedela, Nathan Miller, Paul L Carpenter
BACKGROUND: Cardiac emergencies during pregnancy are rare but have significant associated morbidity and mortality when they do occur. The emergency physician must not only be aware of potentially life-threatening conditions in the pregnant woman, but also know the emergent management and treatment of these conditions to avoid worsening of the underlying condition. Pregnancy-related spontaneous coronary artery dissection has been described in the cardiology literature, but is not well-known in emergency medicine literature...
April 7, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28395591/volatile-anaesthetics-added-to-cardiopulmonary-bypass-are-associated-with-reduced-cardiac-troponin
#18
Elena Bignami, Marcello Guarnieri, Marina Pieri, Francesco De Simone, Alcira Rodriguez, Luigi Cassarà, Rosalba Lembo, Giovanni Landoni, Alberto Zangrillo
BACKGROUND: Every year, over 1 million cardiac surgical procedures are performed all over the world. Reducing myocardial necrosis could have strong implications in postoperative clinical outcomes. Volatile anaesthetics have cardiac protective properties in the perioperative period of cardiac surgery. However, little data exists on the administration of volatile agents during cardiopulmonary bypass. The aim of this study was to assess if volatile anaesthetics administration during cardiopulmonary bypass reduces cardiac troponin release after cardiac surgery...
March 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28395436/-surgical-treatment-of-aortic-dissection-with-lower-extremity-ischemia
#19
J R Xue, B Li, Y M Liu, T Bai, X D Pan, N N Liu, Z Qu, L Z Sun
Objective: To explore the clinical outcome of the surgical treatment for aortic dissection with lower extremity ischemia. Methods: Between March 2009 and April 2013, 14 patients with type A aortic dissection and lower extremity ischemia underwent Sun's procedure in Beijing Anzhen Hospital. Ascending aorta-iliac artery bypass, ascending aorta-femoral artery bypass, femoral-femoral artery bypass and axillary -femoral artery bypass were performed on some severe patients at the same time. Results: Two death occurred, and the others were improved or recovered from symptoms...
April 11, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28393978/-anomalous-left-coronary-artery-origin-from-the-pulmonary-artery-causing-angina-report-of-one-case
#20
Héctor Ugalde P, Sebastián Rozas A, María Ignacia Sanhueza F, María Cecilia Yubini L, Sebastián García B
Anomalies of the origin of coronary arteries are detected in 0.5-1.5% of all angiographies. Anomalous origin of the left main trunk is the most uncommon and its origin from pulmonary artery in adults is exceptional, usually because it is associated with a short survival. We report a 49-year-old female, presenting with a two months history of angina. The exercise electrocardiogram suggested ischemia. A coronary angiography was performed, showing the absence of the left main trunk in the left coronary sinus, a dilated right coronary artery, with no lesions and extensive collateral circulation to the anterior descending and circumflex arteries, with inverted flow and the left main trunk draining to the pulmonary artery...
January 2017: Revista Médica de Chile
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