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Coagulation monitoring

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https://www.readbyqxmd.com/read/28728314/local-recurrence-and-its-risk-factor-after-incomplete-resection-of-colorectal-advanced-adenomas-a-single-center-retrospective-study
#1
Dae Myung Oh, Jae Kwang Lee, Hyunsoo Kim, Chang Keun Park, Jae Kwon Jung, Dae Jin Kim, Yun Jin Chung, Tae Hoon Kim, Myung Il Park, Jong Pil Park
Background/Aims: Colonoscopy can detect precancerous lesions, which can subsequently be removed and reduce incidences of and mortality from colorectal cancer (CRC). However, recently published data have highlighted a significant rate of CRC in patients who previously underwent colonoscopy. Among many reasons, incomplete resection has been considered as a significant contributor. However, to date, there have only been a few studies regarding incompletely resected polyps, especially advanced colorectal adenoma (ACA)...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28714298/effect-of-sugammadex-on-coagulation-as-detected-by-rotational-thromboelastometry-in-morbidly-obese-patients
#2
Michele Carron, Diana Bertini, Tancredi Prandini, Francesca Fanton, Mirto Foletto, Carlo Ori, Egle Perissinotto, Paolo Simioni
BACKGROUND: Sugammadex, which is used to reverse rocuronium-induced neuromuscular blockade, has a limited and transient effect on activated partial thromboplastin time and prothrombin time. However, no data are available on the effects of sugammadex on coagulation in morbidly obese patients, as assessed by rotational thromboelastometry (ROTEM®). METHODS: Sixty patients received sugammadex 2 mg/kg or 4 mg/kg to reverse moderate or deep rocuronium-induced neuromuscular blockade (n = 30/group) at the end of surgery under desflurane anesthesia...
July 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28714241/cytokine-profiles-in-tibetan-macaques-following-%C3%AE-1-3-galactosyltransferase-knockout-pig-liver-xenotransplantation
#3
Zhuochao Zhang, Xiao Li, Hong Zhang, Xuan Zhang, Hui Chen, Dengke Pan, Hongchen Ji, Liang Zhou, Juan Ling, Jingshi Zhou, Shuqiang Yue, Desheng Wang, Zhaoxu Yang, Kaishan Tao, Kefeng Dou
BACKGROUND: Pig-to-nonhuman primate orthotopic liver xenotransplantation is often accompanied by thrombocytopenia and coagulation disorders. Furthermore, the release of cytokines can trigger cascade reactions of coagulation and immune attacks within transplant recipients. To better elucidate the process of inflammation in liver xenograft recipients, we utilized a modified heterotopic auxiliary liver xenotransplantation model for xeno-immunological research. We studied the cytokine profiles and the relationship between cytokine levels and xenograft function after liver xenotransplantation...
July 17, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28713563/recent-advances-in-the-treatment-of-venous-thromboembolism-in-the-era-of-the-direct-oral-anticoagulants
#4
REVIEW
Jeffrey I Weitz, Iqbal H Jaffer, James C Fredenburgh
The direct oral anticoagulants (DOACs) have now supplanted vitamin K antagonists (VKAs) for the treatment of venous thromboembolism (VTE). The DOACs include dabigatran, which inhibits thrombin, and rivaroxaban, apixaban, and edoxaban, which inhibit factor Xa. The DOACs are as effective for the prevention of recurrence as conventional VTE treatment, consisting of a parenteral anticoagulant followed by a VKA, and are associated with less bleeding. Because of these properties and the convenience of fixed dosing without the need for routine coagulation monitoring, guidelines now recommend DOACs over VKAs for VTE treatment in patients without active cancer...
2017: F1000Research
https://www.readbyqxmd.com/read/28712008/acute-lower-gastrointestinal-haemorrhage-outcomes-and-risk-factors-for-intervention-in-949-emergency-cases
#5
Kheng-Seong Ng, Natasha Nassar, Deanne Soares, Patrick Stewart, Marc A Gladman
PURPOSE: Outcomes of acute lower gastrointestinal haemorrhage (ALGIH) are mostly derived from studies performed in the sub-acute/elective rather than the emergency department (ED) setting. The aims of this study were to determine the incidence and outcomes of patients presenting to a tertiary hospital ED with ALGIH and to identify associated clinicopathological risk factors. METHOD: A retrospective observational cohort study of consecutive patients presenting with ALGIH to a tertiary hospital ED was performed...
July 15, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28708664/esmolol-administration-to-control-tachycardia-in-an-ovine-model-of-peritonitis
#6
Koji Hosokawa, Fuhong Su, Fabio Silvio Taccone, Emiel Hendrik Post, Adriano José Pereira, Antoine Herpain, Jacques Creteur, Jean-Louis Vincent
BACKGROUND: Excessive adrenergic signaling may be harmful in sepsis. Using β-blockers to reduce sympathetic overactivity may modulate sepsis-induced cardiovascular, metabolic, immunologic, and coagulation alterations. Using a randomized ovine fecal peritonitis model, we investigated whether administration of a short-acting β-blocker, esmolol, could control tachycardia without deleterious effects on hemodynamics, renal perfusion, cerebral perfusion, cerebral metabolism, or outcome. METHODS: After induction of fecal peritonitis, 14 anesthetized, mechanically ventilated, and hemodynamically monitored adult female sheep were randomly assigned to receive a continuous intravenous infusion of esmolol to control heart rate between 80 and 100 bpm (n = 7) or a saline infusion (control group, n = 7)...
July 13, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28705474/rf-ablation-in-periventricular-heterotopia-related-epilepsy
#7
Massimo Cossu, Laura Mirandola, Laura Tassi
Drug-resistant focal epilepsy is a common occurrence in patients with gray matter nodular heterotopia (NH), and surgical treatment is often considered in these cases. NH-related epileptogenicity is sustained by complex networks, which may involve the nodules and extralesional cortex in various combinations. Therefore, invasive EEG is usually required to identify the structures involved in seizure generation. It has been reported that surgery may be effective in cases with unilateral lesions, whereas bilateral cases are not optimal candidates for surgical success...
July 3, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28698088/microsurgical-repair-of-ruptured-aneurysms-associated-with-moyamoya-pattern-collateral-vessels-of-the-middle-cerebral-artery-a-report-of-two-cases
#8
Min Lang, Nina Z Moore, Alex M Witek, Varun R Kshettry, Mark Bain
BACKGROUND: Patients with Moyamoya or other intracranial steno-occlusive disease are at risk for developing aneurysms associated with flow through collateral vessels. Because these lesions are rare, the optimal management remains unclear. Here, we describe two cases of microsurgical repair of ruptured collateral vessel aneurysms associated with middle cerebral artery (MCA) occlusion. CASE DESCRIPTION: The first patient was a 61-year-old male who presented with right frontal and intraventricular hemorrhage...
July 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28695382/point-of-care-coagulation-monitoring-first-clinical-experience-using-a-paper-based-lateral-flow-diagnostic%C3%A2-device
#9
Michael A Hegener, Hua Li, Daewoo Han, Andrew J Steckl, Giovanni M Pauletti
Vitamin K antagonists such as warfarin are the most widely used class of oral anticoagulants. Due to a narrow therapeutic window, patients on warfarin require regular monitoring. Self-testing using point-of-care (POC) diagnostic devices is available, but cost makes this monitoring method beyond reach for many. The main objective of this research was to assess the clinical utility of a low-cost, paper-based lateral flow POC diagnostic device developed for anticoagulation monitoring without the need for a separate electronic reader...
September 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28693359/coagulation-monitoring-correlation-with-heparin-dose-in-pediatric-extracorporeal-life-support
#10
Katie Moynihan, Kerry Johnson, Lahn Straney, Christian Stocker, Ben Anderson, Prem Venugopal, John Roy
OBJECTIVES: Extracorporeal Life Support (ECLS) risks thrombotic and hemorrhagic complications. Optimal anti-coagulation monitoring is controversial. We compared coagulation tests evaluating the heparin effect in pediatric ECLS. METHODS: A retrospective study of children (<18yrs) undergoing ECLS over 12 months in a tertiary pediatric intensive care unit (PICU). Variables included anti-Factor Xa activity (anti-Xa), activated partial thromboplastin time (aPTT), activated clotting time (ACT) and thromboelastogram (TEG(®)6s) parameters: ratio and delta reaction (R) times (the ratio and difference, respectively, between R times in kaolin assays with and without heparinase)...
July 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28692110/plasma-carboxypeptidase-u-cpu-cpb2-tafia-generation-during-in-vitro-clot-lysis-and-its-interplay-between-coagulation-and-fibrinolysis
#11
Dorien Leenaerts, Jef Aernouts, Pieter Van Der Veken, Yani Sim, Anne-Marie Lambeir, Dirk Hendriks
Carboxypeptidase U (CPU, CPB2, TAFIa) is a basic carboxypeptidase that is able to attenuate fibrinolysis. The inactive precursor procarboxypeptidase U is converted to its active form by thrombin, the thrombin-thrombomodulin complex or plasmin. The aim of this study was to investigate and characterise the time course of CPU generation in healthy individuals. In plasma of 29 healthy volunteers, CPU generation was monitored during in vitro clot lysis. CPU activity was measured by means of an enzymatic assay that uses the specific substrate Bz-o-cyano-Phe-Arg...
July 6, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28680607/spinal-epidural-hematoma-following-a-thoracic-epidural-in-a-child-with-sickle-cell-disease
#12
Madhankumar Sathyamoorthy, Benjamin Walker, Melissa M Rhodes, Ike Eriator
Acute liver dysfunction in the perioperative period may increase the risk of epidural hematoma in a patient with a neuraxial catheter. Coagulation testing needs to be carefully monitored in these patients. An epidural hematoma should be ruled out urgently by CT or MRI in cases of a persistent motor block.
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28679024/multi-pronged-proteomic-analysis-to-study-the-glioma-pathobiology-using-cerebrospinal-fluid-samples
#13
Nikita Gahoi, Darpan Malhotra, Aliasgar Moiyadi, Santosh G Varma, Mayuri N Gandhi, Sanjeeva Srivastava
PURPOSE: Gliomas are one of the most aggressive and lethal brain tumors arising from neoplastic transformation of astrocytes and oligodendrocytes. In this study, we have carried out a comprehensive quantitative analysis of proteome level differences in cerebrospinal fluid (CSF) across different grades of gliomas for a better understanding of glioma pathobiology. EXPERIMENTAL DESIGN: Glioma patients were diagnosed by radiology and histochemistry- based analyses. Differential proteomic analysis of high (n = 12) and low (n = 8) grade gliomas, and control (n = 3) samples was performed by using two complementary quantitative proteomic approaches; 2D-DIGE and iTRAQ...
July 5, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28678046/coagulation-profile-is-not-a-predictor-of-acute-cerebrovascular-events-in-pediatric-extracorporeal-membrane-oxygenation-patients
#14
Pilar Anton-Martin, Janna Journeycake, Vinai Modem, Sailaja Golla, Lakshmi Raman, Jefferson Tweed, Cindy Darnell-Bowens
We performed a retrospective matched case-control study evaluating whether the traditional coagulation profile predicts cerebrovascular events in children on extracorporeal membrane oxygenation (ECMO) in a 71 bed intensive care unit at a tertiary children's hospital. Between 2009 and 2014, 241 neonates and children were initiated on ECMO. The cumulative 5 year incidence of intracranial hemorrhage and infarct was 9.2% and 7.9%, respectively. Thirty-six cases were individually matched 1:1 with control subjects based on age, primary diagnosis, ECMO type, cannulation site, and the presence of pre-ECMO coagulopathy...
July 3, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28668289/foley-catheterisation-versus-oral-misoprostol-for-induction-of-labour-in-hypertensive-women-in-india-inform-a-multicentre-open-label-randomised-controlled-trial
#15
Shuchita Mundle, Hillary Bracken, Vaishali Khedikar, Jayashree Mulik, Brian Faragher, Thomas Easterling, Simon Leigh, Paul Granby, Alan Haycox, Mark A Turner, Zarko Alfirevic, Beverly Winikoff, Andrew D Weeks
BACKGROUND: Between 62 000 and 77 000 women die annually from pre-eclampsia and eclampsia. Prompt delivery, preferably by the vaginal route, is vital for good maternal and neonatal outcomes. Two low-cost interventions-low-dose oral misoprostol tablets and transcervical Foley catheterisation-are already used in low-resource settings. We aimed to compare the relative risks and benefits of these interventions. METHODS: We undertook this multicentre, open-label, randomised controlled trial in two public hospitals in Nagpur, India...
June 28, 2017: Lancet
https://www.readbyqxmd.com/read/28663927/detection-of-local-tissue-alteration-during-retinal-laser-photocoagulation-of-ex-vivo-porcine-eyes-using-phase-resolved-optical-coherence-tomography
#16
Shuichi Makita, Yoshiaki Yasuno
Retinal laser photocoagulation is used to treat several ophthalmic diseases. However, it is associated with damage to surrounding healthy tissue. Local tissue alteration during coagulation laser illumination was measured using phase-resolved optical coherence tomography (OCT) M-mode scan as a change in the local optical path length (LOPL). A metric that represents global net tissue alteration was defined using the LOPL change. The visibility of a laser lesion was assessed by three-dimensional OCT volume measurement...
June 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28661475/protein-kinase-a-activation-by-the-anti-cancer-drugs-abt-737-and-thymoquinone-is-caspase-3-dependent-and-correlates-with-platelet-inhibition-and-apoptosis
#17
Natalia Rukoyatkina, Elke Butt, Hariharan Subramanian, Viacheslav O Nikolaev, Igor Mindukshev, Ulrich Walter, Stepan Gambaryan, Peter M Benz
Chemotherapy-induced thrombocytopenia is a common bleeding risk in cancer patients and limits chemotherapy dose and frequency. Recent data from mouse and human platelets revealed that activation of protein kinase A/G (PKA/PKG) not only inhibited thrombin/convulxin-induced platelet activation but also prevented the platelet pro-coagulant state. Here we investigated whether or not PKA/PKG activation could attenuate caspase-dependent apoptosis induced by the anti-cancer drugs ABT-737 (the precursor of navitoclax) and thymoquinone (TQ), thereby potentially limiting chemotherapy-induced thrombocytopenia...
June 29, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28656589/the-prognostic-value-of-a-trend-in-modified-sofa-score-for-patients-with-hematological-malignancies-in-the-intensive-care-unit
#18
Astrid A M P Demandt, Daniël A Geerse, Bram J P Janssen, Bjorn Winkens, Harry C Schouten, Walther N K A van Mook
BACKGROUND: Patients with hematological malignancies admitted to an intensive care unit (ICU) have a poor prognosis. The Sequential Organ Failure Assessment (SOFA) score is used to monitor patients on the ICU. Little is known about the value of this score in hematology patients. Therefore, the prognostic value of the SOFA score and a modified hematological SOFA score (SOFAhem) was studied. METHODS: Patients with hematological malignancies admitted to the ICU between 1999 and 2009 were analyzed in a retrospective cohort study...
June 28, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28628602/procoagulant-activity-of-human-mesenchymal-stem-cells
#19
Barbara A Christy, Maryanne C Herzig, Robbie K Montgomery, Christopher Delavan, James A Bynum, Kristin M Reddoch, Andrew P Cap
BACKGROUND: Allogeneic mesenchymal stem cells (MSCs) show great potential for the treatment of military and civilian trauma based on their reduced immunogenicity and ability to modulate inflammation and immune function in the recipient. Although generally considered to be safe, MSCs express tissue factor (TF), a potent activator of coagulation. In the current study, we evaluated multiple MSC populations for tissue factor expression and procoagulant activity to characterize safety considerations for systemic use of MSCs in trauma patients who may have altered coagulation homeostasis...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28625248/-core-knowledge-and-skill-based-approach-to-subspecialty-construction-in-critical-intensive-care-medicine-with-distinct-chinese-peculiarity
#20
Lijun Wang, Fang Tian
With the rapid development of critical care medicine (CCM) in China, there are increases in the number of intensive care units (ICUs), the scale of one center ICU and the team. Subspecialty construction of CCM is of great concerns for personnel training as well as discipline development, and is currently one of the urgent problems that need to be resolved. Experience of CCM subspecialty construction from Europe and the United States is lacking and it is necessary to propose some opinions on innovation to construct CCM subspecialties with Chinese characteristics...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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