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haemorrhage major

Corinne Hubinont
No abstract text is available yet for this article.
November 2016: BJOG: An International Journal of Obstetrics and Gynaecology
Daniel F Hanley, Richard E Thompson, John Muschelli, Michael Rosenblum, Nichol McBee, Karen Lane, Amanda J Bistran-Hall, Steven W Mayo, Penelope Keyl, Dheeraj Gandhi, Tim C Morgan, Natalie Ullman, W Andrew Mould, J Ricardo Carhuapoma, Carlos Kase, Wendy Ziai, Carol B Thompson, Gayane Yenokyan, Emily Huang, William C Broaddus, R Scott Graham, E Francois Aldrich, Robert Dodd, Cristanne Wijman, Jean-Louis Caron, Judy Huang, Paul Camarata, A David Mendelow, Barbara Gregson, Scott Janis, Paul Vespa, Neil Martin, Issam Awad, Mario Zuccarello
BACKGROUND: Craniotomy, according to the results from trials, does not improve functional outcome after intracerebral haemorrhage. Whether minimally invasive catheter evacuation followed by thrombolysis for clot removal is safe and can achieve a good functional outcome is not known. We investigated the safety and efficacy of alteplase, a recombinant tissue plasminogen activator, in combination with minimally invasive surgery (MIS) in patients with intracerebral haemorrhage. METHODS: MISTIE was an open-label, phase 2 trial that was done in 26 hospitals in the USA, Canada, the UK, and Germany...
November 2016: Lancet Neurology
David R Myers, Yongzhi Qiu, Meredith E Fay, Michael Tennenbaum, Daniel Chester, Jonas Cuadrado, Yumiko Sakurai, Jong Baek, Reginald Tran, Jordan C Ciciliano, Byungwook Ahn, Robert G Mannino, Silvia T Bunting, Carolyn Bennett, Michael Briones, Alberto Fernandez-Nieves, Michael L Smith, Ashley C Brown, Todd Sulchek, Wilbur A Lam
Haemostasis occurs at sites of vascular injury, where flowing blood forms a clot, a dynamic and heterogeneous fibrin-based biomaterial. Paramount in the clot's capability to stem haemorrhage are its changing mechanical properties, the major drivers of which are the contractile forces exerted by platelets against the fibrin scaffold. However, how platelets transduce microenvironmental cues to mediate contraction and alter clot mechanics is unknown. This is clinically relevant, as overly softened and stiffened clots are associated with bleeding and thrombotic disorders...
October 10, 2016: Nature Materials
Andreia Albuquerque
Rubber band ligation is one of the most important, cost-effective and commonly used treatments for internal hemorrhoids. Different technical approaches were developed mainly to improve efficacy and safety. The technique can be employed using an endoscope with forward-view or retroflexion or without an endoscope, using a suction elastic band ligator or a forceps ligator. Single or multiple ligations can be performed in a single session. Local anaesthetic after ligation can also be used to reduce the post-procedure pain...
September 27, 2016: World Journal of Gastrointestinal Surgery
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
Laura Oakley, Nicole Penn, Maria Pipi, Eugene Oteng-Ntim, Pat Doyle
OBJECTIVE: The objective of this study was to investigate whether moderately increased maternal age is associated with obstetric and neonatal outcome in a contemporary population, and to consider the possible role of co-morbidities in explaining any increased risk. STUDY DESIGN: Secondary analysis of routinely collected data from a large maternity unit in London, UK. Data were available on 51,225 singleton deliveries (≥22 weeks) occurring to women aged ≥20 between 2004 and 2012...
2016: PloS One
J C Oldroyd, K M Venardos, N J Aoki, A J Zatta, Z K McQuilten, L E Phillips, N Andrianopoulos, D J Cooper, P A Cameron, J P Isbister, E M Wood
BACKGROUND: The Australian and New Zealand (ANZ) Massive Transfusion (MT) Registry (MTR) has been established to improve the quality of care of patients with critical bleeding (CB) requiring MT (≥ 5 units red blood cells (RBC) over 4 h). The MTR is providing data to: (1) improve the evidence base for transfusion practice by systematically collecting data on transfusion practice and clinical outcomes; (2) monitor variations in practice and provide an opportunity for benchmarking, and feedback on practice/blood product use; (3) inform blood supply planning, inventory management and development of future clinical trials; and (4) measure and enhance translation of evidence into policy and patient blood management guidelines...
October 6, 2016: BMC Research Notes
Morten Schmidt, Sinna Pilgaard Ulrichsen, Lars Pedersen, Hans Erik Bøtker, Jens Cosedis Nielsen, Henrik Toft Sørensen
BACKGROUND: Long-term nationwide trends in atrial fibrillation (AF) incidence and 5-year outcomes are rare. METHODS: We conducted a population-based cohort study using the Danish National Patient Registry covering all Danish hospitals. We computed standardized incidence rates during 1983-2012. We used Cox regression to estimate hazard ratios (HRs) of heart failure, stroke, and death within 5years, comparing 5-year calendar periods with the earliest period (1983-1987) as reference...
September 21, 2016: International Journal of Cardiology
Florence Mgawadere, Regine Unkels, Adetoro Adegoke, Nynke van den Broek
BACKGROUND: Assessing the feasibility of conducting a prospective Reproductive Age Mortality Survey (RAMOS) study in the low-income setting of Mangochi District, Malawi to obtain cotemporaneous estimates of the number, cause of and conditions associated with maternal deaths (MD) in all women of reproductive age (WRA) (n = 207 688). METHODS: MD among all deaths of WRA were identified using the ICD-10 definition. Cause of death and contributing conditions identified by a panel of experts using the classification system for deaths during pregnancy, childbirth and puerperium (ICD-MM)...
September 29, 2016: BMC Pregnancy and Childbirth
Yutao Guo, Hao Wang, Tao Tao, Yingchun Tian, Yutang Wang, Yundai Chen, Gregory Y H Lip
BACKGROUND: The clinical epidemiology of stroke has been widely investigated in Caucasian populations, but the changes over time in the proportion of ischaemic to haemorrhagic strokes is less clear, especially in the Chinese population. AIMS: Our objective was to study the determinants and time trends for ischaemic and haemorrhagic stroke, in relation to age, in a large Chinese population cohort. METHODS: Using a medical insurance database in the southwest of China from 2001 to 2012, time trends in age-adjusted ischaemic and haemorrhagic stroke incidence and the contributing risk factors associated with age were investigated...
2016: PloS One
Koen A van Overdam, Tom Missotten, Emine Kilic, Leigh H Spielberg
PURPOSE: To evaluate the clinical course after early surgical treatment with excision of retinal hemangioblastomas (RHs) before development of major complications. METHODS: Interventional case series of four eyes (four patients) with a peripheral RH that had not yet been treated by laser or cryotherapy prior to surgery. All eyes underwent 23-gauge vitrectomy with lesion excision. One patient underwent ligation of the feeder vessel prior to lesion excision. Best-corrected visual acuity and clinical course were assessed during a follow-up period of at least 4 years...
September 29, 2016: Acta Ophthalmologica
Praveen Indraratna, David H Tian, Tristan D Yan, Mathew P Doyle, Christopher Cao
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has become a widely utilized method of treatment of severe aortic valve stenosis. The present meta-analysis included all published relevant randomized controlled trials (RCTs) and aimed to compare the safety and efficacy of TAVI compared to surgical aortic valve replacement (AVR). METHOD: Nine electronic databases were comprehensively searched. Eligible studies were required to be randomized controlled trials which reported comparative endpoints on both TAVI and AVR...
September 15, 2016: International Journal of Cardiology
R Callaby, P Toye, A Jennings, S M Thumbi, J A W Coetzer, I C Conradie Van Wyk, O Hanotte, M N Mbole-Kariuki, B M de C Bronsvoort, L E B Kruuk, M E J Woolhouse, H Kiara
Most studies of infectious diseases in East African cattle have concentrated on gastro-intestinal parasites and vector-borne diseases. As a result, relatively little is known about viral diseases, except for those that are clinically symptomatic or which affect international trade such as foot and mouth disease, bluetongue and epizootic haemorrhagic disease. Here, we investigate the seroprevalence, distribution and relationship between the viruses involved in respiratory disease, infectious bovine rhinotracheitis virus (IBR), bovine parainfluenza virus Type 3 (PIV3) and bovine viral diarrhoea virus (BVDV) in East African Shorthorn Zebu calves...
October 2016: Research in Veterinary Science
C R Gregory, V K Proctor, S M Thomas, K Ravi
Visceral artery aneurysms are rare, with a reported incidence of less than 2% in the general population. (1,2) Aneurysms of the left gastric artery are particularly uncommon, accounting for 4% of all visceral aneurysms. (3,4) Although the majority are discovered incidentally and can be managed conservatively, prompt treatment of those ruptured or at risk of rupture is crucial to reduce the associated morbidity. Increasing awareness of visceral artery aneurysms as a cause of spontaneous intraperitoneal haemorrhage will improve early recognition and impact on survival...
September 23, 2016: Annals of the Royal College of Surgeons of England
Irene Ray, Ratneshwar Bhattacharya, Somajita Chakraborty, Chiranjib Bagchi, Sima Mukhopadhyay
BACKGROUND: Post-partum haemorrhage (PPH) is a major cause of maternal mortality globally. Tranexamic acid, an anti-fibrinolytic agent, is a novel approach in an attempt to prevent this dreadful complication. This study aims to document the efficacy of intravenous (IV) tranexamic acid in reducing blood loss during and after caesarean section (CS). METHODS: In this prospective randomised placebo-controlled open-label study, 100 mothers scheduled for elective CS were randomly selected and divided into two groups (study and control) of 50 each...
October 2016: Journal of Obstetrics and Gynaecology of India
Susanne J van Veluw, Andreas Charidimou, Andre J van der Kouwe, Arne Lauer, Yael D Reijmer, Isabel Costantino, M Edip Gurol, Geert Jan Biessels, Matthew P Frosch, Anand Viswanathan, Steven M Greenberg
Cerebral amyloid angiopathy is a common neuropathological finding in the ageing human brain, associated with cognitive impairment. Neuroimaging markers of severe cerebral amyloid angiopathy are cortical microbleeds and microinfarcts. These parenchymal brain lesions are considered key contributors to cognitive impairment. Therefore, they are important targets for therapeutic strategies and may serve as surrogate neuroimaging markers in clinical trials. We aimed to gain more insight into the pathological basis of magnetic resonance imaging-defined microbleeds and microinfarcts in cerebral amyloid angiopathy, and to explore the pathological burden that remains undetected, by using high and ultra-high resolution ex vivo magnetic resonance imaging, as well as detailed histological sampling...
September 19, 2016: Brain: a Journal of Neurology
Albertino Damasceno
Hypertension is the main risk factor for morbidity and mortality in the world. In Sub-Saharan Africa, hypertension, previously almost unknown, is now a major risk factor. A paper recently published showed that mean systolic blood pressure is higher in all regions of Africa compared with other parts of the world, and, most important and contrary to what is happening in the rest of the world, it is increasing in the last years. Another important issue that characterises hypertension in Africa is its extremely low level of awareness and consequently low level of control...
September 2016: Journal of Hypertension
S Igbaruma, B Olagbuji, A Aderoba, W Kubeyinje, B Ande, C Imarengiaye
BACKGROUND: Data on outcomes of obstetric admissions to intensive care units can serve as useful markers for assessing the quality of maternal care. We evaluated the intensive care unit utilization rate, diagnoses, case-fatality rate, mortality rate and associated factors among obstetric patients. METHODS: A prospective observational study of obstetric patients admitted to the general intensive care unit was performed. Women at 24 or more weeks of gestation, or within six weeks postpartum, who were admitted to the intensive care unit constituted the study population...
August 4, 2016: International Journal of Obstetric Anesthesia
Graeme J Hankey
In the past decade, the definition of stroke has been revised and major advances have been made for its treatment and prevention. For acute ischaemic stroke, the addition of endovascular thrombectomy of proximal large artery occlusion to intravenous alteplase increases functional independence for a further fifth of patients. The benefits of aspirin in preventing early recurrent ischaemic stroke are greater than previously recognised. Other strategies to prevent recurrent stroke now include direct oral anticoagulants as an alternative to warfarin for atrial fibrillation, and carotid stenting as an alternative to endarterectomy for symptomatic carotid stenosis...
September 13, 2016: Lancet
J Lansley, C Selai, A S Krishnan, K Lobotesis, H R Jäger
OBJECTIVES: To establish if emergency medicine and neuroscience specialist consultants have different risk tolerances for investigation of suspected spontaneous subarachnoid haemorrhage (SAH), and to establish if their risk-benefit appraisals concur with current guidelines. SETTING: 4 major neuroscience centres in London. PARTICIPANTS: 58 consultants in emergency medicine and neuroscience specialities (neurology, neurosurgery and neuroradiology) participated in an anonymous survey...
September 15, 2016: BMJ Open
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