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Failure to rescue

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https://www.readbyqxmd.com/read/28638452/targeting-tpx2-suppresses-the-tumorigenesis-of-hepatocellular-carcinoma-cells-resulting-in-arrested-mitotic-phase-progression-and-increased-genomic-instability
#1
Chao-Wen Hsu, Yu-Chia Chen, Hsing-Hao Su, Guan-Jin Huang, Chih-Wen Shu, Tony Tong-Lin Wu, Hung-Wei Pan
Hepatocellular carcinoma (HCC) remains one of the most difficult cancers to treat, with chemotherapies being relatively ineffective. Therefore, a better knowledge of molecular hepatocarcinogenesis will provide opportunities for designing targeted therapies. TPX2 (targeting protein for Xklp2) is overexpressed as a consequence of oncogenic alterations and is likely to alter the proper regulation of chromosome segregation in cancer cells. Disrupting the machinery which is responsible for mitosis and chromosome instability in cancer cells can be one of the most successful strategies for cancer therapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28637554/the-g60-trauma-center-a-future-consideration
#2
Marko Bukur, Joshua Simon, Joseph Catino, Margaret Crawford, Ivan Puente, Fahim Habib
With a considerably increasing elderly population, we sought to determine whether the volume of elderly trauma patients treated impacted outcomes at two different Level I trauma centers. This is a retrospective review of all elderly patients (>60 years) at two state-verified Level I trauma centers over the past five years. The elderly trauma center (ETC) saw a greater proportion (52%) of elderly patients than the reference trauma center (30%, TC). Demographic and clinical characteristics were abstracted and stratified into ETC and TC groups for comparison...
June 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28631331/missing-data-in-clinical-trials-control-based-mean-imputation-and-sensitivity-analysis
#3
Devan V Mehrotra, Fang Liu, Thomas Permutt
In some randomized (drug versus placebo) clinical trials, the estimand of interest is the between-treatment difference in population means of a clinical endpoint that is free from the confounding effects of "rescue" medication (e.g., HbA1c change from baseline at 24 weeks that would be observed without rescue medication regardless of whether or when the assigned treatment was discontinued). In such settings, a missing data problem arises if some patients prematurely discontinue from the trial or initiate rescue medication while in the trial, the latter necessitating the discarding of post-rescue data...
June 20, 2017: Pharmaceutical Statistics
https://www.readbyqxmd.com/read/28630913/an-innovative-biologic-system-for-photon-powered-myocardium-in-the-ischemic-heart
#4
Jeffrey E Cohen, Andrew B Goldstone, Michael J Paulsen, Yasuhiro Shudo, Amanda N Steele, Bryan B Edwards, Jay B Patel, John W MacArthur, Michael S Hopkins, Casey E Burnett, Kevin J Jaatinen, Akshara D Thakore, Justin M Farry, Vi N Truong, Alexandra T Bourdillon, Lyndsay M Stapleton, Anahita Eskandari, Alexander S Fairman, William Hiesinger, Tatiana V Esipova, William L Patrick, Keven Ji, Judith A Shizuru, Y Joseph Woo
Coronary artery disease is one of the most common causes of death and disability, afflicting more than 15 million Americans. Although pharmacological advances and revascularization techniques have decreased mortality, many survivors will eventually succumb to heart failure secondary to the residual microvascular perfusion deficit that remains after revascularization. We present a novel system that rescues the myocardium from acute ischemia, using photosynthesis through intramyocardial delivery of the cyanobacterium Synechococcus elongatus...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28629760/cardiac-overexpression-of-epac1-in-transgenic-mice-rescues-lipopolysaccharide-induced-cardiac-dysfunction-and-inhibits-jak-stat-pathway
#5
Huiling Jin, Takayuki Fujita, Meihua Jin, Reiko Kurotani, Iyuki Namekata, Shogo Hamaguchi, Yuko Hidaka, Wenqian Cai, Kenji Suita, Yoshiki Ohnuki, Yasumasa Mototani, Kouichi Shiozawa, Rajesh Prajapati, Chen Liang, Masanari Umemura, Utako Yokoyama, Motohiko Sato, Hikaru Tanaka, Satoshi Okumura, Yoshihiro Ishikawa
Pro-inflammatory cytokines are released in septic shock and impair cardiac function via the Jak-STAT pathway. It is well known that sympathetic stimulation leads to coupling of the β-adrenergic receptor/Gs/adenylyl cyclase, a membrane-bound enzyme that catalyzes the conversion of ATP to cAMP, thereby stimulating protein kinase A (PKA) and ultimately compensating for cardiac dysfunction. The mechanism of such compensation by catecholamine has been traditionally understood as PKA-mediated enforcement of cardiac contractility...
June 16, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28627230/relationship-between-community-hospital-versus-pre-hospital-location-of-randomisation-and-clinical-outcomes-in-st-elevation-myocardial-infarction-patients-insights-from-the-stream-study
#6
Robert C Welsh, Patrick Goldstein, Peter Sinnaeve, Miodrag C Ostojic, Yinggan Zheng, Thierry Danays, Cynthia M Westerhout, Frans Van de Werf, Paul W Armstrong
AIMS: The STREAM study randomly assigned ST-elevation myocardial infarction (STEMI) patients to receive a pharmacoinvasive versus primary percutaneous coronary intervention reperfusion strategy. We assessed whether there was an association between outcomes based on randomisation at a community hospital versus a prehospital location. METHODS/RESULTS: Community hospital patients (358/1866 (19.2%)) were compared to prehospital patients and their outcomes categorised into pharmacoinvasive according to their treatment assignment...
June 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28626871/a-successful-living-donor-liver-re-transplantation-for-graft-failure-within-seven-days-due-to-acute-de-novo-donor-specific-anti-hla-antibody-mediated-rejection
#7
Yohei Yamada, Ken Hoshino, Teisaburo Mori, Miho Kawaida, Kiyotomo Abe, Hideo Ishihama, Takahiro Shimizu, Nobuhiro Takahashi, Kentaro Matsubara, Taizo Hibi, Yuta Abe, Hiroshi Yagi, Naoki Shimojima, Masahiro Shinoda, Minoru Kitago, Hideaki Obara, Yasushi Fuchimoto, Kaori Kameyama, Yuko Kitagawa, Tatsuo Kuroda
Growing evidence suggests a relationship between antibody-mediated rejection (AMR) and early graft failure due to a previously unknown etiology in liver transplantation (LTx). We herein report a three-year-old boy who developed rapid graft failure due to de novo donor-specific antibody (DSA)-driven AMR a week after living donor LTx, requiring a second transplant on the 10th day after the first LTx. The pathology of the first graft showed massive necrosis in zone 3 along with positive C4d and inflammatory cell infiltrates in portal areas...
June 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28624046/failure-to-rescue-following-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#8
Kevin Y Li, Ali A Mokdad, Rebecca M Minter, John C Mansour, Michael A Choti, Mathew M Augustine, Patricio M Polanco
BACKGROUND: Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) can significantly improve the survival in selected patients with peritoneal carcinomatosis. This study aims to identify perioperative patient characteristics predictive of failure to rescue (FTR), mortality following postoperative complications from CRS/HIPEC. METHODS: Patients suffering a complication following CRS/HIPEC between 2005 and 2013 were identified in the American College of Surgeons National Surgical Quality Improvement Program data set...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28624034/factors-influencing-failure-to-rescue-after-pancreaticoduodenectomy-a-national-surgical-quality-improvement-project-perspective
#9
Patrick R Varley, David A Geller, Allan Tsung
BACKGROUND: Failure to rescue is the concept of death after a complication, and it is an important factor driving variation in mortality rates after pancreatic surgery. The purpose of this study was to conduct a retrospective review of a large, multi-institutional data set to describe patient-level risk factors for failure to rescue in greater detail. METHODS: From the American College of Surgeons National Surgical Quality Improvement Program participant use file, 14,557 patients who underwent pancreaticoduodenectomy were identified...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28619992/patterning-and-gastrulation-defects-caused-by-the-t-w18-lethal-are-due-to-loss-of-ppp2r1a
#10
Lisette Lange, Matthias Marks, Jinhua Liu, Lars Wittler, Hermann Bauer, Sandra Piehl, Gabriele Bläß, Bernd Timmermann, Bernhard G Herrmann
The mouse t haplotype, a variant 20 cM genomic region on Chromosome 17, harbors 16 embryonic control genes identified by recessive lethal mutations isolated from wild mouse populations. Due to technical constraints so far only one of these, the t(w5) lethal, has been cloned and molecularly characterized. Here we report the molecular isolation of the t(w18) lethal. Embryos carrying the t(w18) lethal die from major gastrulation defects commencing with primitive streak formation at E6.5. We have used transcriptome and marker gene analyses to describe the molecular etiology of the t(w18) phenotype...
June 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28606907/first-line-support-for-assistance-in-breathing-in-children-first-abc-protocol-for-a-multicentre-randomised-feasibility-trial-of-non-invasive-respiratory-support-in-critically-ill-children
#11
Padmanabhan Ramnarayan, Paula Lister, Troy Dominguez, Parviz Habibi, Naomi Edmonds, Ruth Canter, Paul Mouncey, Mark J Peters
INTRODUCTION: Over 18 000 children are admitted annually to UK paediatric intensive care units (PICUs), of whom nearly 75% receive respiratory support (invasive and/or non-invasive). Continuous positive airway pressure (CPAP) has traditionally been used to provide first-line non-invasive respiratory support (NRS) in PICUs; however, high-flow nasal cannula therapy (HFNC), a novel mode of NRS, has recently gained popularity despite the lack of high-quality trial evidence to support its effectiveness...
June 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28605474/digital-innovations-and-emerging-technologies-for-enhanced-recovery-programmes
#12
F Michard, T J Gan, H Kehlet
Enhanced recovery programmes (ERPs) are increasingly used to improve post-surgical recovery. However, compliance to various components of ERPs-a key determinant of success-remains sub-optimal. Emerging technologies have the potential to help patients and caregivers to improve compliance with ERPs.Preoperative physical condition, a major determinant of postoperative outcome, could be optimized with the use of text messages (SMS) or digital applications (Apps) designed to facilitate smoking cessation, modify physical activity, and better manage hypertension and diabetes...
June 9, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28604990/ultrasound-guided-radial-artery-catheterisation-increases-the-success-rate-among-anaesthesiology-residents-a-randomised-study
#13
Nigopan Gopalasingam, Marlene A Hansen, Sofie Thorn, Erik Sloth, Peter Juhl-Olsen
INTRODUCTION: The palpation technique is generally used for radial artery catheterisation, but is associated with a high rate of failure and complications. Dynamic needle tip positioning (DNTP) is a new ultrasound-guided technique. We aimed to compare the traditional palpation technique with DNTP performed by four anaesthesiology residents. METHODS: The study was a randomised, controlled, patient-blinded, crossover study. Fourty patients underwent bilateral radial artery catheterisation using both techniques...
June 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28600104/polarization-microscopy-imaging-for-the-identification-of-unfertilized-oocytes-after-short-term-insemination
#14
Yi Guo, Wenqiang Liu, Yu Wang, Jiaping Pan, Shanshan Liang, Jingling Ruan, Xiaoming Teng
OBJECTIVE: To develop a unique approach using polarization microscopy (PM) to determine whether the presence of a spindle can be used as an indicator associated with fertilization failure 5 hours after short-term insemination. DESIGN: Observational study. SETTING: Assisted reproduction center. PATIENT(S): Eighty-five patients undergoing short-term insemination. INTERVENTION(S): Oocytes imaged via PM at 4, 5, and 6 hours after standard insemination...
June 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28595772/prevention-of-early-complications-and-late-consequences-after-acute-pulmonary-embolism-focus-on-reperfusion-techniques
#15
Stavros V Konstantinides, Stefano Barco
Pulmonary embolism (PE) is a major cause of acute cardiovascular mortality and long-term morbidity. Right ventricular (RV) dysfunction is the key determinant of prognosis in the acute phase of PE, and residual RV dysfunction is associated with the development of post-PE functional impairment, chronic thromboembolic disease, and higher costs of treatment over the long term. Patients with clinically overt RV failure, i.e. hemodynamic collapse at presentation (high-risk PE), necessitate immediate thrombolytic treatment to relieve the obstruction in the pulmonary circulation; surgical or catheter-directed removal of the thrombus can be an alternative option...
June 1, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28592218/first-line-use-of-contact-aspiration-for-thrombectomy-versus-a-stent-retriever-for-recanalization-in-acute-cerebral-infarction-the-randomized-aster-study-protocol
#16
Bertrand Lapergue, Julien Labreuche, Raphael Blanc, Xavier Barreau, Jérome Berge, Arturo Consoli, Georges Rodesch, Susanna Saleme, Vincent Costalat, Serge Bracard, Hubert Desal, Alain Duhamel, Sandrine Baffert, Mikael Mazighi, Benjamin Gory, Francis Turjman, Michel Piotin
Rationale Mechanical thrombectomy with a stent retriever is now the standard of care in anterior circulation ischemic stroke caused by large vessel occlusion. New techniques for mechanical thrombectomy, such as contact aspiration, appear promising to increase reperfusion status and improve clinical outcome. Aim We aim at ascertaining whether contact aspiration is more efficient than the stent retriever as a first-line endovascular procedure. Sample size estimates With a two-sided test (alpha = 5%, power = 90%) and an anticipated rate of spontaneous recanalization and catheterization failures of 15%, we estimate that a sample size of 380 patients will be necessary to detect an absolute difference of 15% in primary outcome (superiority design)...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28588840/additional-coronary-sinus-shocking-lead-as-rescue-therapy-after-multiple-internal-and-external-defibrillation-failures
#17
Samuel Chauveau, Arnaud Dulac, Laurent Sebbag, Elodie Morel, Philippe Chevalier
High defibrillation threshold (DFT) and defibrillation failure can lead to intractable ventricular arrhythmias. Additional coronary sinus coil is an effective strategy to achieve marked reduction in DFT. However, physicians should retain this might prevent future coronary sinus lead placement in case the patient would develop complete left bundle branch block.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28583555/veno-arterial-venous-hybrid-mode-of-extracorporeal-membrane-oxygenation-for-acute-respiratory-distress-syndrome-combined-with-septic-shock-in-a-liver-transplant-patient-a-case-report
#18
J-I Park, B-H Jung, S-G Lee
BACKGROUND: Post-operative respiratory failure is common in liver transplant patients, with a direct effect on graft and recipient outcomes. We present a case of successful treatment for a patient who had acute respiratory distress syndrome combined with septic shock after living-donor liver transplantation with veno-arterial-venous hybrid mode of extracorporeal membrane oxygenation (ECMO) support. METHODS: A 49-year-old male patient underwent successful emergency living-donor liver transplantation for acute-on-chronic liver failure associated with alcoholic liver cirrhosis...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28579318/the-zebrafish-kidney-mutant-zeppelin-reveals-that-brca2-fancd1-is-essential-for-pronephros-development
#19
Paul T Kroeger, Bridgette E Drummond, Rachel Miceli, Michael McKernan, Gary F Gerlach, Amanda N Marra, Annemarie Fox, Kristen K McCampbell, Ignaty Leshchiner, Adriana Rodriguez-Mari, Ruth BreMiller, Ryan Thummel, Alan J Davidson, John Postlethwait, Wolfram Goessling, Rebecca A Wingert
The zebrafish kidney is conserved with other vertebrates, making it an excellent genetic model to study renal development. The kidney collects metabolic waste using a blood filter with specialized epithelial cells known as podocytes. Podocyte formation is poorly understood but relevant to many kidney diseases, as podocyte injury leads to progressive scarring and organ failure. zeppelin (zep) was isolated in a forward screen for kidney mutants and identified as a homozygous recessive lethal allele that causes reduced podocyte numbers, deficient filtration, and fluid imbalance...
June 1, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28572508/cardioprotective-role-of-traf2-by-suppressing-apoptosis-and-necroptosis
#20
Xiaoyun Guo, Haifeng Yin, Lei Li, Yi Chen, Jing Li, Jessica Doan, Rachel N Steinmetz, Qinghang Liu
Background -Programed cell death, including apoptosis, mitochondria-mediated necrosis, and necroptosis, is critically involved in ischemic cardiac injury, pathological cardiac remodeling, and heart failure progression. Whereas apoptosis and mitochondria-mediated necrosis signaling is well established, the regulatory mechanisms of necroptosis and its significance in the pathogenesis of heart failure remain elusive. Methods -We examined the role of Traf2 (TNF receptor-associated factor 2) in regulating myocardial necroptosis and remodeling using genetic mouse models...
June 1, 2017: Circulation
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