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Wen-Guo Chen, Guo-Dong Shan, Hong Zhang, Ming Yang, Lin L, Min Yue, Guang-Wu Chen, Qing Gu, Hua-Tuo Zhu, Guo-Qiang Xu, Li-Hua Chen
The aim of the study was to evaluate the diagnostic and therapeutic value of double-balloon entoroscopy (DBE) in small bowel diseases (SBDs) in China.A retrospective review of 674 consecutive patients who underwent DBE between January 2007 and November 2015 was conducted. Patients were divided into 3 groups by age, young group (<45 years), middle-aged group (45-65 years), and elderly group (>65 years). Data were collected with regard to demographics, clinical, endoscopic findings, complications, diagnostic yield, and management...
October 2016: Medicine (Baltimore)
Alan N Barkun, Viviane Adam, Yidan Lu, Yen-I Chen, Myriam Martel
GOALS: We compared the cost-effectiveness of traditional recommended endoscopic hemostatic therapies and Hemospray alone or in combination when treating nonvariceal upper gastrointestinal bleeding (NVUGIB). BACKGROUND: Hemospray (TC-325) is a novel endoscopic hemostatic powder, achieving hemostasis through adherence to actively bleeding biological surfaces. STUDY: A decision tree of patients with NVUGIB assessed 4 possible treatment strategies: traditional therapy alone (T), Hemospray alone (H), traditional therapy completed by Hemospray if needed (T+H), or Hemospray completed by traditional therapy if needed (H+T)...
October 4, 2016: Journal of Clinical Gastroenterology
Julie L Huffmyer, Lucas G Fernandez, Cyrus Haghighian, Abdullah S Terkawi, Danja S Groves
BACKGROUND: The Quantra Hemostasis Analyzer is a novel diagnostic device that uses an ultrasound-based technology, sonic estimation of elasticity via resonance (SEER) sonorheometry, to characterize the dynamic changes in viscoelastic properties of a blood sample during coagulation. Cardiac surgery utilizing cardiopulmonary bypass (CPB) is associated with a significant impact on the coagulation system and can result in perioperative coagulopathy. The aim of this study was to correlate SEER sonorheometry results to corresponding rotational thromboelastometry (ROTEM) and laboratory parameters obtained before, during, and after CPB...
October 4, 2016: Anesthesia and Analgesia
Patrick J Vezeau
Hemostasis is a key step in safe and predictable surgery. Knowledge of normal blood clotting mechanisms and abnormal diathesis is necessary to anticipate potential problems during and after surgery. As an adjunct to bleeding control, topical hemostatic agents have long been used in all surgical disciplines. This article provides a brief review of hemostasis and a topical summary of different classes of topical hemostatic agents useful to oral and maxillofacial surgery, including indications and potential complications/side effects...
November 2016: Oral and Maxillofacial Surgery Clinics of North America
Jae-Young Jang
Peptic ulcer bleeding is an internal medical emergency. Endoscopic hemostasis has been shown to improve the survival rate of patients with peptic ulcer bleeding. Although the established hemostatic modalities, including injection, thermal therapy, and mechanical therapy, are effective in controlling peptic ulcer bleeding, hemostasis can be difficult to achieve in some cases. As a result, recent, new endoscopic hemostatic modalities, including over-the-scope clips, topical hemostatic sprays, and endoscopic ultrasonography-guided angiotherapy, have been developed...
September 2016: Clinical Endoscopy
Ari Garber, Sunguk Jang
Non-variceal upper gastrointestinal bleeding, the most common etiology of which is peptic ulcer disease, remains a persistent challenge despite a reduction in both its incidence and mortality. Both pharmacologic and endoscopic techniques have been developed to achieve hemostasis, with varying degrees of success. Among the pharmacologic therapies, proton pump inhibitors remain the mainstay of treatment, as they reduce the risk of rebleeding and requirement for recurrent endoscopic evaluation. Tranexamic acid, a derivative of the amino acid lysine, is an antifibrinolytic agent whose role requires further investigation before application...
September 2016: Clinical Endoscopy
Ali Pourdjabbar, Ryan R Reeves, Ehtisham Mahmud, Lawrence Ang, Mitul P Patel
Large bore vascular access is becoming increasingly common for a range of interventional cardiovascular procedures. In the vast majority, percutaneous closure is preplanned and successfully achieved. However, for patients with percutaneous closure failure, or those requiring prolonged hemodynamic support, alternatives to percutaneous closure are required. Currently there are no approved vascular closure devices for delayed removal of large bore sheaths and therefore, manual hemostasis or surgical closure remains the only options...
September 30, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Takeshi Ogura, Wataru Takagi, Saori Ueno, Toshihisa Takeuchi, Shinya Fukunishi, Kazuhide Higuchi
No abstract text is available yet for this article.
January 2016: Endoscopy
Zuhal Eroglu, Ece Harman, Egemen Vardarli, Meral Kayikcioglu, Asli Tetik Vardarli
BACKGROUND: Dyslipidemia has a substantial role in the development of cardiovascular diseases in patients with type 2 diabetes mellitus (T2DM). Determining the genetic profile of T2DM patients with dyslipidemia is important in order to reduce the risk of microvascular and macrovascular complications. Low-density lipoprotein receptor (LDLR) plays a critical role in plasma lipoprotein hemostasis. LDLR mutations/polymorphisms cause changes at the lipoprotein level. The objective of this study is to determine the frequency of LDLR (rs179989) polymorphisms in Turkish T2DM patients with dyslipidemia...
November 2016: Journal of Clinical Medicine Research
Juan Cheng, Shibin Feng, Songling Han, Xiangjun Zhang, Yidan Chen, Xing Zhou, Ruibing Wang, Xiaohui Li, Houyuan Hu, Jianxiang Zhang
Currently, there is still unmet demand for effective and safe hemostats to control abnormal bleeding in different conditions. With the aim to develop affordable, safe, effective, easily stored, and low cost hemostats, we developed a series of positively charged nanoparticles by a facile one-pot assembly approach. In this strategy, nanoparticles were formed by cholic acid-mediated self-assembly of polyethyleneimine (PEI). Regardless of different structures of cholic acids and PEIs, well-defined nanoparticles could be successfully formed...
October 13, 2016: ACS Nano
Roby Sebastian, Todd Ratliff, Peter D Winch, Dmitry Tumin, Daniel Gomez, Joseph Tobias, Mark Galantowicz, Aymen N Naguib
BACKGROUND: The majority of allogeneic transfusions occur in the perioperative setting, especially during cardiac surgery. In addition to the economic implications, there is emerging evidence that blood transfusion may increase both morbidity and mortality. Acute normovolemic hemodilution (ANH) may limit the need for blood products. OBJECTIVES: The primary objective of this study was to determine if the method of blood collection (syringe or bag) during the ANH process impacted the platelet count and function...
October 13, 2016: Paediatric Anaesthesia
Joshua I Siner, Benjamin J Samelson-Jones, Julie M Crudele, Robert A French, Benjamin J Lee, Shanzhen Zhou, Elizabeth Merricks, Robin Raymer, Timothy C Nichols, Rodney M Camire, Valder R Arruda
Processing by the proprotein convertase furin is believed to be critical for the biological activity of multiple proteins involved in hemostasis, including coagulation factor VIII (FVIII). This belief prompted the retention of the furin recognition motif (amino acids 1645-1648) in the design of B-domain-deleted FVIII (FVIII-BDD) products in current clinical use and in the drug development pipeline, as well as in experimental FVIII gene therapy strategies. Here, we report that processing by furin is in fact deleterious to FVIII-BDD secretion and procoagulant activity...
October 6, 2016: JCI Insight
Weilu Cheng, Hui Li, Xiongfei Zheng, Lei Chen, Feng Cheng, Jinmei He, Ke Liu, Panpan Cai, Xiaofeng Wang, Yudong Huang
Collagen, one of the most biocompatible materials in nature, is widely used in wound healing and organ repair. However, the limited mechanical strength and biological effectiveness of collagen restrain its application as a hemostasis and filling material in medicine. To overcome these limitations, ultraporous collagen/oxidized regenerated cellulose (Col/ORC) composites were prepared. The results showed that the Col-0.25%ORC composite had optimal wettability, porosity, and water absorption. An MTT assay proved that the Col and Col/ORC composites possessed no cytotoxicity in living cells...
October 12, 2016: Physical Chemistry Chemical Physics: PCCP
Takumi Aota, Hideo Wada, Naoki Fujimoto, Yoshiki Yamashita, Takeshi Matsumoto, Kohshi Ohishi, Kei Suzuki, Hiroshi Imai, Masanobu Usui, Shuji Isaji, Toshimasa Uchiyama, Yoshinobu Seki, Naoyuki Katayama
We evaluated the diagnostic criteria for disseminated intravascular coagulation (DIC), which was published by the Japanese Society of Thrombosis and Hemostasis (JSTH), in 232 patients with suspected DIC without hematopoietic injury or infection. The diagnoses of the patients were as follows: DIC (n = 116), pre-DIC (n = 54), and non-DIC (n = 63). The efficacy of the diagnostic criteria for DIC was evaluated using a receiver operating characteristic analysis. The area under the curve and odds ratio for the global coagulation test (GCT) scores in the diagnosis of "DIC" were high, whereas those for the diagnosis of "DIC and pre-DIC" were low, suggesting that the addition of a reduced platelet count (RPC), antithrombin (AT), and soluble fibrin (SF)/thrombin AT (TAT) complex was required to diagnose DIC and pre-DIC...
October 11, 2016: Clinical and Applied Thrombosis/hemostasis
James Dana Kondrup, Frances R Anderson, Melanie Rose Katz
Biosurgical materials (biosurgicals) have a wide array of uses for providing hemostasis, including decreasing the risk of postoperative bleeding and, intraoperatively, controling bleeding. These materials are especially useful in situations where electrocautery, sutures, or clips are not feasible. Biosurgicals have long been used in general surgery and surgical subspecialties to provide hemostasis; however, they still are not commonly used during obstetric and gynecologic procedures. Three commonly used classes of biosurgicals will be discussed in this article: oxidized regenerated cellulose, flowables, fibrin sealants, and fibrin sealant patches...
October 6, 2016: Surgical Technology International
Muzaffer Emir Dinçol, Hakan Ozbas, Bulent Yılmaz, Handan Ersev, Selcuk Gokyay, Vakur Olgac
BACKGROUND: Due to the detrimental effect of blood contamination on the physico-chemical properties of mineral trioxide aggregate (MTA), obtaining an effective hemostasis in the surgical crypt during apical surgery is of paramount importance. The purpose of this in vivo study was to analyze the effect of Ankaferd Blood Stopper® (ABS) contamination on the biocompatibility of MTA. METHODS: Forty of 56 Wistar-Albino rats were divided randomly and equally into two groups (MTA and MTA-ABS) according to whether or not a hemostatic agent was used...
October 11, 2016: BMC Oral Health
Fuat H Saner, Carmen Kirchner
BACKGROUND: Patients with end-stage liver disease (ESLD) are assumed to be at high risk of bleeding when undergoing any kind of invasive intervention (any kind of operation, including transplantation or minimally invasive interventions). Both bleeding and thrombosis are associated with a poor outcome. METHODS: A selective literature research was conducted with the following key words: 'cirrhosis', 'coagulation', 'bleeding', 'INR' (international normalized ratio), 'aPTT' (activated partial thromboplastin time), and 'thrombocytopenia'...
August 2016: Visc Med
Divya Ramchandani, Dusten Unruh, Clayton S Lewis, Vladimir Y Bogdanov, Georg F Weber
Molecules of the coagulation pathway predispose patients to cancer-associated thrombosis and also trigger intracellular signaling pathways that promote cancer progression. The primary transcript of tissue factor, the main physiologic trigger of blood clotting, can undergo alternative splicing yielding a secreted variant, termed asTF (alternatively spliced tissue factor). asTF is not required for normal hemostasis, but its expression levels positively correlate with advanced tumor stages in several cancers, including pancreatic adenocarcinoma...
October 10, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
T L Landsman, T Touchet, S M Hasan, C Smith, B Russell, J Rivera, D J Maitland, E Cosgriff-Hernandez
: Uncontrolled hemorrhage accounts for more than 30% of trauma deaths worldwide. Current hemostatic devices focus primarily on time to hemostasis, but prevention of bacterial infection is also critical for improving survival rates. In this study, we sought to improve on current devices used for hemorrhage control by combining the large volume-filling capabilities and rapid clotting of shape memory polymer (SMP) foams with the swelling capacity of hydrogels. In addition, a hydrogel composition was selected that readily complexes with elemental iodine to impart bactericidal properties to the device...
October 6, 2016: Acta Biomaterialia
María Emilia Garcia Denegri, Gladys P Teibler, Silvana L Maruñak, David R Hernández, Ofelia C Acosta, Laura C Leiva
Bothrops alternatus snake venom is particularly characterized for inducing a prominent haemorrhage and affecting hemostasis as a consequence of 43.1% of metallo-proteinases and less than 10% of PLA2 (almost all non-myotoxic phospholipases) in its venomics. In addition, myonecrosis is the major local effect in viper envenoming which might lead to permanent sequela. Then, the rebuilding of the microvasculature at the local injured site acquires significance since represents one of the pivotal stages for subsequent skeletal muscle regeneration either at morphological or functional aspects...
October 6, 2016: Toxicon: Official Journal of the International Society on Toxinology
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