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https://www.readbyqxmd.com/read/28429138/prothrombotic-state-in-asthma-is-related-to-increased-levels-of-inflammatory-cytokines-il-6-and-tnf%C3%AE-in-peripheral-blood
#1
Stanislawa Bazan-Socha, Lucyna Mastalerz, Agnieszka Cybulska, Lech Zareba, Romy Kremers, Michal Zabczyk, Grazyna Pulka, Teresa Iwaniec, Coenraad Hemker, Anetta Undas
Recently, we have reported that asthma is associated with enhanced plasma thrombin formation and impaired fibrinolysis. The mechanisms underlying the prothrombotic state in this disease are unknown. Our aim was to investigate whether prothrombotic alterations in asthmatics are associated with inflammation. We studied 164 adult, white, stable asthmatics and 72 controls matched for age, sex, body mass index (BMI), and smoking. Plasma tumor necrosis factor α (TNFα), interleukin (IL)-6, and serum periostin were evaluated using ELISAs, and their associations with thrombin generation, fibrinolytic capacity, expressed as clot lysis time (CLT), and platelet markers were later analyzed...
April 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28428216/maturation-of-platelet-function-during-murine-fetal-development-in-vivo
#2
Andreas Margraf, Claudia Nussbaum, Ina Rohwedder, Sarah Klapproth, Angela R M Kurz, Annamaria Florian, Volker Wiebking, Joachim Pircher, Monika Pruenster, Roland Immler, Steffen Dietzel, Ludmila Kremer, Friedemann Kiefer, Markus Moser, Andreas W Flemmer, Elizabeth Quackenbush, Ulrich H von Andrian, Markus Sperandio
OBJECTIVE: Platelet function has been intensively studied in the adult organism. However, little is known about the function and hemostatic capacity of platelets in the developing fetus as suitable in vivo models are lacking. APPROACH AND RESULTS: To examine fetal platelet function in vivo, we generated a fetal thrombosis model and investigated light-/dye-induced thrombus formation by intravital microscopy throughout gestation. We observed that significantly less and unstable thrombi were formed at embryonic day (E) 13...
April 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28424911/long-term-outcomes-of-endoscopic-resection-of-gastric-gists
#3
Changji Yu, Guobin Liao, Chaoqiang Fan, Jing Yu, Xubiao Nie, Shiming Yang, Jianying Bai
OBJECTIVE: Although the endoscopic treatment of gastric stromal tumors is a recently accepted therapy, the long-term outcomes of this approach remain unknown. The aims of this study were to assess the long-term effectiveness and safety of endoscopic resection for gastric GISTs. METHODS: A total of 60 consecutive patients undergoing endoscopic resection of gastric GISTs were enrolled in a retrospective single-center study. Clinical data, perioperative complications, histopathologic characteristics of the tumors, and long-term outcomes were recorded...
April 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28424073/systematic-review-with-network-meta-analysis-dual-therapy-for-high-risk-bleeding-peptic-ulcers
#4
Keda Shi, Zeren Shen, Guiqi Zhu, Fansheng Meng, Mengli Gu, Feng Ji
BACKGROUND: Adding a second endoscopic therapy to epinephrine injection might improve hemostatic efficacy in patients with high-risk bleeding ulcers but the optimum modality remains unknown. We aimed to estimate the comparative efficacy of different dual endoscopic therapies for the management of bleeding peptic ulcers through random-effects Bayesian network meta-analysis. METHODS: Different databases were searched for controlled trials comparing dual therapy versus epinephrine monotherapy or epinephrine combined with another second modality until September, 30 2016...
April 19, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28422828/gastrointestinal-mucormycosis-of-the-jejunum-in-an-immunocompetent-patient-a-case-report
#5
Mengqing Sun, Xianming Hou, Xiaoting Wang, Ge Chen, Yupei Zhao
RATIONALE: Gastrointestinal Mucormycosis (GIM) is a kind of opportunistic fungal infection with poor prognosis. It usually occurs in patients with immune deficiency. We reported a case of immunocompetent male patient. PATIENT CONCERNS: This patient was presented as abdominal distension and gastrointestinal bleeding. DIAGNOSES: A variety of hemostatic methods was ineffective to stop the bleeding. The patient finally received laparotomy, and the jejunum lesions were found...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28420512/managing-vulvovaginal-hematoma-by-arterial-embolization-as-first-line-hemostatic-therapy
#6
Kenjiro Takagi, Keiko Akashi, Isao Horiuchi, Eishin Nakamura, Koki Samejima, Junko Ushijima, Tomohisa Okochi, Kohei Hamamoto, Keisuke Tanno
OBJECTIVE: A puerperal vulvovaginal hematoma may continue to grow after a surgical procedure and may require blood transfusion. Thus, we selected arterial embolization for hemostasis as the first-line management in two cases of large vulvovaginal hematoma. MATERIALS AND METHODS: Case 1 was a 32-year-old pregnant woman. After delivery, a 10-cm vulvar hematoma developed. An enhanced computed tomography (CT) scan revealed active bleeding. Arterial embolization was performed and complete hemostasis was obtained...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28413027/matrix-metalloproteinases-and-platelet-function
#7
Paolo Gresele, Emanuela Falcinelli, Manuela Sebastiano, Stefania Momi
Platelets contain and release several matrix metalloproteinases (MMPs) and their tissue inhibitors of matrix metalloproteinases (TIMPs), including MMP-1, -2, -3, -9, and -14 and TIMP-1, -2, and -4. Although devoid of a nucleus, platelets also synthesize TIMP-2 upon activation. Platelet-released MMPs/TIMPs, as well as MMPs generated by other cells within the cardiovascular system, modulate platelet function in health and disease. In particular, a normal hemostatic platelet response to vessel wall injury may be transformed into pathologic thrombus formation by the release from platelets and/or by the local generation of some MMPs...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28411452/peptide-valency-plays-an-important-role-in-the-activity-of-a-synthetic-fibrin-crosslinking-polymer
#8
Robert J Lamm, Esther B Lim, Katie M Weigandt, Lilo D Pozzo, Nathan J White, Suzie H Pun
Therapeutic polymers have the potential to improve the standard of care for hemorrhage, or uncontrolled bleeding, as synthetic hemostats. PolySTAT, a fibrin-crosslinking peptide-polymer conjugate, has the capacity to rescue fibrin clot formation and improve survival in a model of acute traumatic bleeding. PolySTAT consists of a synthetic polymer backbone to which targeting fibrin-binding peptides are linked. For translation of PolySTAT, the optimal valency of peptides must be determined. Grafting of fibrin-binding peptides to the poly(hydroxyethyl methacrylate)-based backbone was controlled to produce peptide valencies ranging from 0 to 10 peptides per polymer...
April 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/28410150/platelet-toll-like-receptors-in-thromboinflammation
#9
Lina Paola D' Atri, Mirta Schattner
Besides their undiscussed role in hemostasis and thrombosis, platelets are also key effector cells capable of assisting and modulating inflammatory reactions and immune responses. Platelets play a sentinel role in immune surveillance by recognizing danger signals from pathogens and cell damage through the expression of toll-like receptors (TLRs) on its surface and internal compartments. Platelets express all 10 TLRs transcripts and its signalosome, including adaptor proteins and transcription factors. The activation of these receptors in platelets triggers hemostatic and inflammatory responses which participate in the host's response to bacterial and viral infections, linking thrombosis with infection and immunity...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28408847/cost-analysis-of-pulmonary-lobectomy-procedure-comparison-of-stapler-versus-precision-dissection-and-sealant
#10
Andrea Droghetti, Giuseppe Marulli, Jacopo Vannucci, Michele Giovanardi, Maria Caterina Bottoli, Mark Ragusa, Giovanni Muriana
OBJECTIVE: We aimed to evaluate the direct costs of pulmonary lobectomy hospitalization, comparing surgical techniques for the division of interlobar fissures: stapler (ST) versus electrocautery and hemostatic sealant patch (ES). METHODS: The cost comparison analysis was based on the clinical pathway and drawn up by collecting the information available from the Thoracic Surgery Division medical team at Mantova Hospital. Direct resource consumption was derived from a previous randomized controlled trial including 40 patients...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/28407781/early-identification-of-patients-requiring-massive-transfusion-embolization-or-hemostatic-surgery-for-traumatic-hemorrhage-a-systematic-review-protocol
#11
Alexandre Tran, Maher Matar, Ewout W Steyerberg, Jacinthe Lampron, Monica Taljaard, Christian Vaillancourt
BACKGROUND: Hemorrhage is a major cause of early mortality following a traumatic injury. The progression and consequences of significant blood loss occur quickly as death from hemorrhagic shock or exsanguination often occurs within the first few hours. The mainstay of treatment therefore involves early identification of patients at risk for hemorrhagic shock in order to provide blood products and control of the bleeding source if necessary. The intended scope of this review is to identify and assess combinations of predictors informing therapeutic decision-making for clinicians during the initial trauma assessment...
April 13, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28403392/association-of-central-nervous-system-depression-with-topical-brimonidine-when-used-for-hemostasis-a-serious-adverse-event
#12
Devorah R Shagalov, Drew Taylor, Rachel Schleichert, Jonathan Weiss, Eduardo Weiss
Importance: Minor bleeding is the most common complication of dermatologic surgery. Topical brimonidine, 0.33%, gel has been reported for the use of hemostasis in dermatologic surgery. The safety profile and risk of systemic toxic effects when brimonidine is used topically for hemostasis is unknown. Objective: To determine the risk of systemic toxic effects of topical brimonidine, 0.33%, gel when used for hemostasis. Design, Setting, and Participants: In this case series from a private practice (Hollywood Dermatology), 2 patients presented for dermatologic procedures, complicated by persistent bleeding...
April 12, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28401579/mri-assessment-of-tissue-effects-after-180-w-xps-greenlight-laser-vaporization-of-the-prostate
#13
Romain Huet, Romain Mathieu, Tanguy Rohou, Benoit Peyronnet, Andrea Manunta, Gregory Verhoest, Karim Bensalah, Sebastien Vincendeau
BACKGROUND AND OBJECTIVE: Photoselective vaporization of the prostate (PVP) is an alternative to transurethral resection of the prostate (TURP) in the surgical management of Benign Prostate Obtruction (BPO), with a better hemostatic effect due to a coagulation depth of several millimeters. The objective of this study was to prospectively assess the tissue effects of PVP by Magnetic Resonance Imaging (MRI). MATERIALS AND METHODS: From December to February 2014, ten patients were included in a prospective study and underwent PVP performed by a single surgeon with the Greenlight™ laser 180-W XPS...
April 11, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28400980/association-between-coagulation-function-and-cerebral-microbleeds-in-ischemic-stroke-patients-with-atrial-fibrillation-and-or-rheumatic-heart-disease
#14
Junfeng Liu, Deren Wang, Yao Xiong, Bian Liu, Jing Lin, Shihong Zhang, Bo Wu, Chenchen Wei, Ming Liu
Cerebral microbleeds (CMBs), which indicate hemorrhage-prone disease, may associate with hemostatic abnormalities, but the association between CMBs and coagulation function is uncertain. We aimed to examine this possible association. The following coagulation function indicators were evaluated in 85 consecutive ischemic stroke patients diagnosed with atrial fibrillation and/or rheumatic heart disease: prothrombintime (PT), activated partial thromboplastin time (APTT), and levels of D-dimer and fibrinogen. Indicators were assessed within 24 h after admission...
April 2017: Aging and Disease
https://www.readbyqxmd.com/read/28400758/leptospira-infection-interferes-with-the-prothrombinase-complex-assembly-during-experimental-leptospirosis
#15
Monica L Vieira, Sonia A de Andrade, Zenaide M Morais, Silvio A Vasconcellos, Maria Lucia Z Dagli, Ana Lucia T O Nascimento
Leptospirosis is a worldwide zoonotic and neglected infectious disease of human and veterinary concern, caused by pathogenic Leptospira species. Although bleeding is a common symptom of severe leptospirosis, the cause of hemorrhage is not completely understood. In severe infections, modulation of hemostasis by pathogens is an important virulence mechanism, and hemostatic impairments such as coagulation/fibrinolysis dysfunction are frequently observed. Here, we analyze the coagulation status of experimentally infected hamsters in an attempt to determine coagulation interferences and the origin of leptospirosis hemorrhagic symptomatology...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28399414/laboratory-and-clinical-predictors-of-30-day-survival-for-patients-on-extracorporeal-membrane-oxygenation-ecmo-8-year-experience-at-albert-einstein-college-of-medicine-montefiore-medical-center
#16
Ivo M B Francischetti, James Szymanski, Daniel Rodriguez, Moonseong Heo, Lucia R Wolgast
PURPOSE: Survival of patients on ECMO has remained stable in every population. Laboratory values predictors of survival are required to improve patient care. MATERIALS AND METHODS: Clinical Looking Glass software was used to assess Electronic Medical Records (EMRs) of patients at Albert Einstein College of Medicine, Montefiore Medical Center (2007-2014). RESULTS: Our population comprises of 166 adults and was divided in survivors and non-survivors, within 30days...
March 31, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28398222/preparation-characterization-and-properties-of-alginate-poly-%C3%AE-glutamic-acid-composite-microparticles
#17
Zongrui Tong, Yu Chen, Yang Liu, Li Tong, Jiamian Chu, Kecen Xiao, Zhiyu Zhou, Wenbo Dong, Xingwu Chu
Alginate (Alg) is a renewable polymer with excellent hemostatic properties and biocapability and is widely used for hemostatic wound dressing. However, the swelling properties of alginate-based wound dressings need to be promoted to meet the requirements of wider application. Poly(γ-glutamic acid) (PGA) is a natural polymer with high hydrophility. In the current study, novel Alg/PGA composite microparticles with double network structure were prepared by the emulsification/internal gelation method. It was found from the structure characterization that a double network structure was formed in the composite microparticles due to the ion chelation interaction between Ca(2+) and the carboxylate groups of Alg and PGA and the electrostatic interaction between the secondary amine group of PGA and the carboxylate groups of Alg and PGA...
April 11, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28397442/predictive-factors-of-thrombosis-for-patients-with-essential-thrombocythaemia-a-single-center-study
#18
Iwona Prajs, Kazimierz Kuliczkowski
BACKGROUND: Thrombotembolic complications are the leading cause of mortality in essential thrombocythemia (ET), but the definition of thrombotic risk remains far from clear. OBJECTIVES: The aim of this study was to evaluate the prognostic markers for thrombosis to identify ET patients at risk. MATERIAL AND METHODS: Forty-five consecutive patients with ET were studied. This group was divided into two subgroups ET patients with (A) and without (B) history of thrombosis...
January 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28396682/heterologous-fibrin-sealant-derived-from-snake-venom-from-bench-to-bedside-an-overview
#19
REVIEW
Rui Seabra Ferreira, Luciana Curtolo de Barros, Luciana Patrícia Fernandes Abbade, Silvia Regina Catharino Sartori Barraviera, Maria Regina Cavariani Silvares, Leticia Gomes de Pontes, Lucilene Delazari Dos Santos, Benedito Barraviera
Hemostatic and adhesive agents date back to World War II, when homologous fibrin sealant came onto scene. Considering that infectious diseases can be transmitted via human blood, a new heterologous fibrin sealant was standardized in the 1990s. Its components were a serine protease (a thrombin-like enzyme) extracted from the venom of Crotalus durissus terrificus snakes and a fibrinogen-rich cryoprecipitate extracted from the blood of Bubalus bubalis buffaloes. This new bioproduct has been used as a coagulant, sealant, adhesive and recently as a candidate scaffold for mesenchymal stem cells and bone and cartilage repair...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28396275/relationship-of-time-to-presentation-after-onset-of-upper-gi-bleeding-with-patient-characteristics-and-outcomes-a-prospective-study
#20
Loren Laine, Stig B Laursen, Harry R Dalton, Jing H Ngu, Michael Schultz, Adrian J Stanley
BACKGROUND & AIMS: We performed a prospective multi-national study of patients presenting to the emergency department with upper gastrointestinal bleeding (UGIB) and assessed the relationship of time to presentation after onset of UGIB symptoms with patient characteristics and outcomes. METHODS: Consecutive patients presenting with overt UGIB (red-blood emesis, coffee-ground emesis and/or melena) from March 2014 to March 2015 at 6 hospitals were included. Multiple pre-defined patient characteristics and outcomes were collected...
April 7, 2017: Gastrointestinal Endoscopy
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