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bleeding tendency

Jean-Luc Boevé, Tina E Trenczek, Sergio Angeli
Easy bleeding is a defence strategy that allows the larvae of some Tenthredinidae sawfly species to emit deterrent hemolymph when attacked by a predator. However, a drawback of this defence is that hemolymph is frequently in contact with the exterior, thus potentially subjected to multiple microbial infections at any body's integumental spot. Here we aimed to identify physiological traits that are linked to easy bleeding. First, larvae of several sawfly species were subjected to daily experimental losses of hemolymph equivalent to 10% of their body weight, and changes in body weight and survival were recorded...
October 20, 2016: Journal of Insect Physiology
Mohammad Minakari, Shervin Badihian, Pooyan Jalalpour, Vahid Sebghatollahi
BACKGROUND AND AIM: Upper gastrointestinal bleeding (UGIB) is a threatening condition leading to urgent hospitalization. This study aims to investigate etiology and outcome in UGIB patients in Iran. METHODS: Medical records of GIB patients admitted to Alzahra referral hospital (in Isfahan) during 2010-2015 were retrospectively reviewed for demographic data, comorbidities, history of smoking and taking non-steroidal anti-inflammatory drugs (NSAIDs), presenting symptoms, endoscopic findings, therapeutic endoscopy, blood products' infusion, surgical intervention and mortality...
October 17, 2016: Journal of Gastroenterology and Hepatology
Eric Paulus, Kathy Komperda, Gabriel Park, Julie Fusco
Factor VII (FVII) deficiency is the most prevalent rare bleeding disorder in the USA and affects approximately 1 out of every 500,000 people. Warfarin inhibits the synthesis of FVII, in addition to other clotting factors. Warfarin is contraindicated in patients with bleeding tendencies or blood dyscrasias; therefore, the literature regarding the use of warfarin in FVII deficiency is very limited. We report a successful re-challenge of warfarin therapy in a patient with FVII deficiency. A 70-year-old woman with FVII deficiency experienced a significant decrease in FVII activity and subsequent vaginal bleeding roughly 5 weeks after starting warfarin for atrial fibrillation...
December 2016: Drug Saf Case Rep
P Pardes-Chavanes, M Afanetti, C Boyer, M Poirée
Intracerebral hemorrhage (ICH) remains a cause of death in hematologic malignancies. Asparaginase represents a key agent in the treatment of acute lymphoblastic leukemia (ALL). The toxicity of asparaginase includes coagulopathy such as thrombotic or bleeding tendency. We report a case of fatal cerebral hemorrhage in a 12-year-old girl treated for ALL. Cerebral hemorrhage occurred after three injections of L-asparaginase. The patient presented with hypofibrinogenemia (0.36g/L), associated with thrombocytopenia (24,000/mm(3))...
October 12, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
Seyma Colakoglu, Turan Bayhan, Betül Tavil, Ebru Yılmaz Keskin, Volkan Cakir, Fatma Gümrük, Mualla Çetin, Selin Aytaç, Ergul Berber
BACKGROUND: Factor XI (FXI) deficiency is an autosomal bleeding disease associated with genetic defects in the F11 gene which cause decreased FXI levels or impaired FXI function. An increasing number of mutations has been reported in the FXI mutation database, most of which affect the serine protease domain of the protein. FXI is a heterogeneous disorder associated with a variable bleeding tendency and a variety of causative F11 gene mutations. The molecular basis of FXI deficiency in 14 patients from ten unrelated families in Turkey was analysed to establish genotype-phenotype correlations and inheritance of the mutations in the patients' families...
October 4, 2016: Blood Transfusion, Trasfusione del Sangue
Juan Paredes Méndez, Guillermo Otoya Moreno, Ana Lucía Mestanza Rivas Plata, Luis Lazo Molina, Katia Acuña Ordoñez, José Luis Arenas Gamio, Eduardo Huamán Egoavil, Fabián Juliao Baños
OBJECTIVE: To identify sociodemographic, clinical, and endoscopic characteristics in patients with inflammatory bowel disease (IBD). MATERIALS AND METHODS: The study period was from January 2004 to December 2014. The final diagnosis was determined by clinical gastroenterologists experienced in the diagnosis and management of IBD, based on internationally accepted diagnostic criteria. RESULTS: 105 patients with IBD were studied, 77% with ulcerative colitis (UC) and 23% with Crohn's disease (CD)...
July 2016: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
Kai Oliver Jensen, Leonhard Held, Andrea Kraus, Frank Hildebrand, Philipp Mommsen, Ladislav Mica, Guido A Wanner, Peter Steiger, Rudolf M Moos, Hans-Peter Simmen, Kai Sprengel
BACKGROUND: Although under discussion, induced hypothermia (IH) is an established therapy for patients with cardiac arrest or traumatic brain injuries. The influences on coagulopathy and bleeding tendency in severely injured patients (SIP) with concomitant traumatic brain injury are most widely unclear. Therefore, the aim of this study was to quantify the effect of mild IH in SIP with concomitant severe traumatic brain injuries on transfusion rate and mortality. METHODS: In this retrospective multi-centre study, SIP from three European level-1 trauma centres with an ISS ≥16 between 2009 and 2011 were included...
October 6, 2016: European Journal of Medical Research
Reiko Watanabe, Takayuki Tabayashi, Tatsuki Tomikawa, Morihiko Sagawa, Tomoe Anan-Nemoto, Yuta Kimura, Yasuyuki Takahashi, Michihide Tokuhira, Satoshi Otaki, Hidenori Oi, Makoto Sawano, Satoshi Sugiyama, Masahiro Kizaki
Thrombopoietin receptor (TPO-R) agonists have been shown to be effective in refractory chronic immune thrombocytopenia (ITP); however, their efficacy in patients under critical care is not known. We report the case of a female patient with a newly diagnosed ITP who experienced severe bleeding from an external wound. The patient was administered the standard treatments for ITP, which are high-dose intravenous immunoglobulin (IVIg) and corticosteroids. However, following failure of these treatments, we administered romiplostim on day 6 after the onset of ITP...
October 5, 2016: International Journal of Hematology
Romeo Patini, Edoardo Staderini, Patrizia Gallenzi
Cowden's Syndrome (CS) is a rare congenital autosomal dominant disorder that affects around 1/200000 patients with an incomplete penetrance and variable expressivity, characterized by alterations in a tumor suppressor gene. A 14-year-old Caucasian male patient came to the attention of the authors complaining of palm nodules, gingival bleeding and painful pedunculated lesions on the lips and on the labial side of anterior sextants. After genetic investigation the final diagnosis of a Cowden Syndrome was made...
October 2016: Journal of Clinical and Experimental Dentistry
Lesley De Pietri, Marcello Bianchini, Gianluca Rompianesi, Elisabetta Bertellini, Bruno Begliomini
AIM: To describe the thromboelastography (TEG) "reference" values within a population of liver transplant (LT) candidates that underline the differences from healthy patients. METHODS: Between 2000 and 2013, 261 liver transplant patients with a model for end-stage liver disease (MELD) score between 15 and 40 were studied. In particular the adult patients (aged 18-70 years) underwent to a first LT with a MELD score between 15 and 40 were included, while all patients with acute liver failure, congenital bleeding disorders, and anticoagulant and/or antiplatelet drug use were excluded...
September 24, 2016: World Journal of Transplantation
Fayez El Shaer, Ismael Raslan, Nora Al Osaimi, Ghada Bawazeer, Fhakr Alayobi, Tarek Alhogbani, Suliman Kharabsheh, Walid Al Habeeb
Appropriate management of patients with mechanical prosthetic valves on warfarin during dental procedures is crucial. If the patients continue warfarin, they might develop bleeding, while interruption of therapy can cause thromboembolic events. Bridging therapy (mostly heparin) is used in some patients, while others stop medications. There is no unifying protocol. Information on management of patients on warfarin undergoing dental procedures in Saudi Arabia is lacking. Therefore, the current study aimed to provide more insight into various approaches utilized by clinicians to deal with such patients at a large teaching hospital in Riyadh, and to evaluate the frequency and severity of bleeding and thromboembolic complications during different types of dental procedures in this population...
2016: American Journal of Cardiovascular Disease
Hisashi Kato, Yozo Nakazawa, Yumi Kurokawa, Hirokazu Kashiwagi, Yoichiro Morikawa, Daisuke Morita, Fumiaki Banno, Shigenori Honda, Yuzuru Kanakura, Yoshiaki Tomiyama
Affinity regulation of integrin αIIbβ3 for fibrinogen by inside-out signaling plays a critical role in hemostasis. Calcium and DAG-regulated guanine nucleotide exchange factor I (CalDAG-GEFI) was identified as a Rap1 activating molecule and its role in inside-out αIIbβ3 activation was established in CalDAG-GEFI deficient mice. However, little information regarding CalDAG-GEFI in human platelets is available. Here, we report a 16-year-old girl with CalDAG-GEFI deficiency who has been suffering from severe bleeding tendency...
September 23, 2016: Blood
Rachel T Clarke, Ann Van den Bruel, Clare Bankhead, Christopher D Mitchell, Bob Phillips, Matthew J Thompson
OBJECTIVE: Leukaemia is the most common cancer of childhood, accounting for a third of cases. In order to assist clinicians in its early detection, we systematically reviewed all existing data on its clinical presentation and estimated the frequency of signs and symptoms presenting at or prior to diagnosis. DESIGN: We searched MEDLINE and EMBASE for all studies describing presenting features of leukaemia in children (0-18 years) without date or language restriction, and, when appropriate, meta-analysed data from the included studies...
October 2016: Archives of Disease in Childhood
Susanne Regus, Veronika Almási-Sperling, Werner Lang
INTRODUCTION: Arteriovenous fistula (AVF) creation in children could be extremely challenging for vascular surgeons due to small vessels with a high tendency of vasospasm. This could be one reason for primary failures (PF) and early access thrombosis. There exists no guideline for the need of intraoperative heparin administration during hemodialysis fistula creation. The aim of this study was to evaluate the effect of intra-operative heparin administration on immediate outcome. METHODS: Medical records of 42 pediatric patients aged between 7 and 17 years were retrospectively reviewed...
September 20, 2016: Journal of Vascular Access
Mina Golestani, Peyman Eshghi, Hamid Reza Rasekh, Abdoll Majid Cheraghali, Jamshid Salamzadeh, Majid Naderi, Mohammad Reza Managhchi, Hamid Hoorfar, Gholam Reza Toogeh, Ali Imani, Mohammad Taghi Khodayari, Behnaz Habibpanah, Razieh Hantooshzadeh
Nowadays, bypassing agents such as recombinant activated factor VII (rFVIIa) and activated prothrombin complex concentrates (aPCC) are used to treat bleeding episodes in the Hemophilia patients with inhibitors. AryoSeven® is an Iranian biogeneric rFVIIa with homogeneity of efficacy and the nature to NovoSeven in a comparative trial. The current clinical trial aimed to evaluate the cost-effectiveness of FEIBA and AryoSeven® by Decision Analytic Model according to the Iranian healthcare system. An open label, multi-center, cross-over clinical trial was designed...
2016: Iranian Journal of Pharmaceutical Research: IJPR
Kevin J O'Brien, Jay Lozier, Andrew R Cullinane, Brigitte Osorio, Khanh Nghiem, Vladislav Speransky, Wadih M Zein, James C Mullikin, Anne T Neff, Karen L Simon, May Christine V Malicdan, William A Gahl, Lisa R Young, Bernadette R Gochuico
PURPOSE: Hemophilia B, an X-linked disease, manifests with recurrent soft tissue bleeding episodes. Hermansky-Pudlak syndrome, a rare autosomal recessive disorder, is characterized by oculocutaneous albinism and an increased tendency to bleed due to a platelet storage pool defect. We report a novel mutation in HPS6 in a Caucasian man with hemophilia B and oculocutaneous albinism. RESULTS: The patient was diagnosed with hemophilia B at age 4months due to recurrent soft tissue bleeding episodes, and he was also diagnosed with Hermansky-Pudlak syndrome at 32years of age due to unexplained oculocutaneous albinism...
September 3, 2016: Molecular Genetics and Metabolism
C Heleen van Ommen, Jeanine J Sol
Neonatal hemostasis differs qualitatively, but in particular quantitatively, from hemostasis in older children and adults. Nevertheless, hemostasis in healthy neonates is functionally stable with no tendency to bleeding or thrombotic complications. In sick neonates, however, risk factors may disrupt this equilibrium and lead to thrombosis. The most important risk factor is the central venous catheter. Management of neonatal central venous catheter thrombosis is challenging, as no controlled trials have been performed...
September 16, 2016: Seminars in Thrombosis and Hemostasis
C Druschel, K Heck, C Kraft, R Placzek
OBJECTIVE: PemberSal osteotomy to improve femoral head coverage by rotating the acetabular roof ventrally and laterally. INDICATIONS: Insufficient coverage of the femoral head, and can be combined with other surgical procedures such as femoral intertrochanteric varus-derotation osteotomy and open reduction for developmental dysplasia and dislocation of the hip or to improve sphericity and containment in Legg-Calvé-Perthes disease. This specific acetabuloplasty can only be performed in patients with an open epiphyseal growth-plate...
September 14, 2016: Operative Orthopädie und Traumatologie
Fatemeh Saheb Sharif-Askari, Syed Azhar Syed Sulaiman, Narjes Saheb Sharif-Askari
Patients with chronic kidney disease (CKD) are at increased risk for both thrombotic events and bleeding. The early stages of CKD are mainly associated with prothrombotic tendency, whereas in its more advanced stages, beside the prothrombotic state, platelets can become dysfunctional due to uremic-related toxin exposure leading to an increased bleeding tendency. Patients with CKD usually require anticoagulation therapy for treatment or prevention of thromboembolic diseases. However, this benefit could easily be offset by the risk of anticoagulant-induced bleeding...
September 15, 2016: Advances in Experimental Medicine and Biology
Tae Keun Park, Sung Joon Shin, Jae Hyup Lee
STUDY DESIGN: This is a retrospective case-control study. OBJECTIVE: To evaluate the influence of medication-related bleeding tendency on the clinical outcomes and complications of transforaminal epidural steroid injection (TFESI). SUMMARY OF BACKGROUND DATA: TFESI may result in serious complications such as epidural hematoma or adhesions in patients with medication-related bleeding tendency. However, little is known about the true relationship between medication-related bleeding tendency and postprocedural complications...
September 10, 2016: Clinical Spine Surgery
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