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https://www.readbyqxmd.com/read/29664201/rare-blood-donor-needed
#1
Richard R Gammon, Harold Alvarez, Nancy Benitez
BACKGROUND: Here, we describe a 14-year-old male with leukocyte adhesion deficiency type 2 who was transferred to a university hospital with anemia (hemoglobin 6 g/dL) and multiple singular abscesses refractory to antimicrobials. CASE REPORT: As leukocyte adhesion deficiency type 2 is associated with Bombay phenotype, the patient's red blood cells (RBCs) were tested with commercial anti-H lectin Ulex europaeus. An allogeneic adsorption with phenotype-matched cells was performed...
April 17, 2018: Transfusion
https://www.readbyqxmd.com/read/29660919/blood-rheology-as-a-mirror-of-endocrine-and-metabolic-homeostasis-in-health-and-disease1
#2
Jean-Frédéric Brun, Emmanuelle Varlet-Marie, Marlène Richou, Jacques Mercier, Eric Raynaud de Mauverger
 Rheological properties of plasma and blood cells are markedly influenced by the surrounding milieu: physicochemical factors, metabolism and hormones. Acid/base status, osmolality, lipid status, plasma protein pattern, oxidative stress induced by increased free radicals production, endothelium-derived factors such as nitric oxide (NO), achidonic acid derivatives modulate both red blood cell (RBC) and white cell mechanics. Therefore, regulatory axes involving liver, endothelium, kidney, pancreas, adrenal gland, endocrine heart, adipose tissue, pituitary gland, and surely other tissues play important roles in the regulation of blood fluidity...
April 7, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29660912/increased-plasma-viscosity-in-plasma-cell-dyscrasia-and-whole-blood-viscosity-in-polycythemia-vera
#3
Dong Woo Shin, Ja-Yoon Gu, Jun Sik Kim, Jae-Seol Jung, Dong-Yeop Shin, Youngil Koh, Inho Kim, Hyun Kyung Kim
BACKGROUND: Although hyperviscosity syndrome in plasma cell dyscrasia (PCD) and thrombosis in myeloproliferative neoplasm (MPN) are major causes of morbidity and mortality, blood viscosity measurements are often underutilized. OBJECTIVE: This study aimed to characterize whether whole blood viscosity (WBV) or plasma viscosity (PV) could be predictive of hyperviscosity syndrome in PCD and could be elevated in subgroups of MPN. METHODS: A total of 75 patients with hematologic diseases: PCD (n = 26), MPN (n = 25) including polycythemia vera (P...
April 13, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29660186/influence-of-prenatal-diagnosis-of-abnormally-invasive-placenta-on-maternal-outcome-a-systematic-review-and-meta-analysis
#4
REVIEW
Danilo Buca, Marco Liberati, Giuseppe Calì, Francesco Forlani, Claudia Caisutti, Maria Elena Flacco, Lamberto Manzoli, Alessandra Familiari, Giovanni Scambia, Francesco D'Antonio
OBJECTIVES: The aim of this systematic review was to ascertain the impact of prenatal diagnosis on surgical outcome of women affected by AIP. METHODS: Medline, Embase, CINAHL and Cochrane databases were searched. The outcomes observed were: gestational age at birth (weeks), amount of blood loss (l), units of red blood cells (RBC), platelets (PLT) and fresh frozen plasma (FFP) transfused, length of stay in hospital and in intensive care unit (days), urinary tract injuries and infection...
April 16, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29656684/nationwide-survey-of-severe-postpartum-haemorrhage-in-japan-an-exploratory-study-using-the-national-database-of-health-insurance-claims
#5
Mai Sato, Eiji Kondoh, Tomohide Iwao, Shusuke Hiragi, Kazuya Okamoto, Hiroshi Tamura, Haruta Mogami, Yoshitsugu Chigusa, Tomohiro Kuroda, Masaki Mandai, Ikuo Konishi, Genta Kato
AIM: The aim of this study was to investigate epidemiological and clinical aspects of severe postpartum haemorrhage (PPH) in Japan. METHODS: We used national health insurance claims from 2011 to 2014 provided by the Ministry of Health, Labour and Welfare. The data included randomly selected claims that covered 10% of all inpatients in October, a so-called sampling dataset (covering 1/120 inpatients per year). We extracted claims for transfused blood, and further narrowed down the claims by names of diseases linked to PPH...
April 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29623860/adenosine-and-adenosine-5-triphosphate-catabolism-in-systemic-blood-as-a-potential-biomarker-for-doxorubicin-cardiotoxicity-in-an-experimental-rat-model-in-vivo
#6
Pollen K Yeung, Chad Purcell, Fatemeh Akhoundi, Remigus U Agu
BACKGROUND: Previous studies have shown that metabolism of adenosine 5'-triphosphate (ATP) in systemic blood is a potential surrogate biomarker for cardiovascular toxicity. OBJECTIVE: To investigate the acute effect of high dose of doxorubicin (DOX) on adenosine and ATP catabolism in systemic blood in vivo. METHOD: Sprague Dawley (SD) rats were each given either 10 mg/kg of DOX (n = 8) or normal saline (1 mL/kg, n = 11) twice daily for 4 doses by subcutaneous (sc) injection...
April 6, 2018: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/29615916/implications-enzymatic-degradation-of-the-endothelial-glycocalyx-on-the-microvascular-hemodynamics-and-the-arteriolar-red-cell-free-layer-of-the-rat-cremaster-muscle
#7
Ozlem Yalcin, Vivek P Jani, Paul C Johnson, Pedro Cabrales
The endothelial glycocalyx is a complex network of glycoproteins, proteoglycans, and glycosaminoglycans; it lines the vascular endothelial cells facing the lumen of blood vessels forming the endothelial glycocalyx layer (EGL). This study aims to investigate the microvascular hemodynamics implications of the EGL by quantifying changes in blood flow hydrodynamics post-enzymatic degradation of the glycocalyx layer. High-speed intravital microscopy videos of small arteries (around 35 μm) of the rat cremaster muscle were recorded at various time points after enzymatic degradation of the EGL...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29614639/microparticles-in-sickle-cell-disease
#8
Marc Romana, Philippe Connes, Nigel S Key
Several pathophysiological pathways in sickle cell disease (SCD), the most prevalent hemoglobinopathy worldwide, result in activation of circulating blood cells and the release of submicron vesicles, so-called microparticles (MPs). MPs are candidate biomarkers in vascular disease that exhibit functional biological properties. Compared to healthy individuals, higher level of plasma MPs, mostly derived from platelets and red blood cells (RBC), has been repeatedly observed in SCD patients in their steady-state condition...
2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29608324/the-devil-is-in-the-details-retention-of-recipient-group-a-type-5-years-after-a-successful-allogeneic-bone-marrow-transplant-from-a-group-o-donor
#9
Laura L W Cooling, Michelle Herrst, Sherri L Hugan
ABO-incompatible (ABOi) hematopoietic stem cell transplants (HSCTs) can present challenges in the blood bank. During transplantation, patients receive components that are ABO-compatible with both the donor graft and recipient; this practice can strain group O red blood cell (RBC) inventories.1 In addition, there are risks for acute hemolysis at the time of infusion and in the early post-transplant period.1,2 In ABO major-incompatible bone marrow HSCTs, which contain significant quantities of donor RBCs that are ABOi with recipient plasma, it is common to perform a RBC depletion of the bone marrow in an effort to minimize hemolysis at the time of infusion...
January 2018: Immunohematology
https://www.readbyqxmd.com/read/29605646/responses-of-labeo-rohita-fingerlings-to-n-acetyl-p-aminophenol-toxicity
#10
Sivashankar Renuka, Rama Krishnan Poopal, Mathan Ramesh, Frederick Clara-Bindu
The short term (96 h) toxicity of N-acetyl-p-aminophenol (0.58 mg/L - Treatment I and 0.29 mg/L - Treatment II) on certain health indicators (haematology, biochemical, and enzymology) of an Indian major carp Labeo rohita was studied. When compared to control, N-acetyl-p-aminophenol treated fish showed a significant (P < 0.05) decrease in haemoglobin (Hb), haematocrit (Hct), and erythrocyte (RBC) levels throughout the study period. Whereas, a significant (P < 0.05) increase were noted in leucocyte (WBC) counts (except 48 h in Treatment-I), mean corpuscular volume (MCV), and mean corpuscular haemoglobin (MCH) values (except 24 h in Treatment-I)...
March 29, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29590163/fresh-red-blood-cells-transfusion-protects-against-aluminum-phosphide-induced-metabolic-acidosis-and-mortality-in-rats
#11
Nastaran Rahimi, Amir Hossein Abdolghaffari, Alireza Partoazar, Nina Javadian, Tara Dehpour, Ali R Mani, Ahmad R Dehpour
BACKGROUND: Aluminum phosphide (AlP) is used as pesticide in some countries for protection of stored grains. Human poisoning with AlP due to suicide attempt or accidental environmental exposure is associated with very high mortality partially due to development of severe metabolic acidosis. Previous studies have shown that hemoglobin has high buffering capacity and erythrocytes can potentially be used for management of metabolic acidosis. The aim of this study was to evaluate the effect of fresh packed red blood cells (RBC) transfusion on survival and cardiovascular function in AlP-poisoned rats...
2018: PloS One
https://www.readbyqxmd.com/read/29574766/in-vitro-evaluation-of-di-2-ethylhexyl-terephthalate-plasticized-polyvinyl-chloride-blood-bags-for-red-blood-cell-storage-in-as-1-and-paggsm-additive-solutions
#12
Sharon Graminske, Kathleen Puca, Anna Schmidt, Scott Brooks, Amanda Boerner, Sybil Heldke, Monika de Arruda Indig, Mark Brucks, David Kossor
BACKGROUND: Di(2-ethylhexyl)phthalate (DEHP) makes polyvinyl chloride flexible for use in blood bags and stabilizes the red blood cell (RBC) membrane preventing excessive hemolysis. DEHP migrates into the blood product and rodent studies have suggested that DEHP exposure may be associated with adverse health effects albeit at high dosages. Although structurally and functionally similar to DEHP, di(2-ethylhexyl)terephthalate (DEHT; or Eastman 168 SG [Eastman Chemical Company]) is metabolically distinct with a comprehensive and benign toxicology profile...
March 25, 2018: Transfusion
https://www.readbyqxmd.com/read/29573720/postpartum-blood-transfusion-and-hemorrhage-as-independent-risk-factors-for-venous-thromboembolism
#13
L Thurn, A Wikman, P G Lindqvist
INTRODUCTION: Profuse postpartum hemorrhage (PPH) and red blood cell (RBC) transfusion have been suggested to be associated with venous thromboembolic events (VTE). However, it is not fully clear if they are independent major risk factors. METHODS: Women who gave birth in the Stockholm area between 1999 and 2002 were those studied, i.e., before the implementation of guidelines for thromboprophylaxis in pregnancy. In this population-based cohort study the Swedish Medical Birth Registry was linked to the National Discharge Registry and to the transfusion database...
March 10, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29572498/a-single-high-fat-meal-provokes-pathological-erythrocyte-remodeling-and-increases-myeloperoxidase-levels-implications-for-acute-coronary-syndrome
#14
Tyler W Benson, Neal L Weintraub, Ha Won Kim, Nichole Seigler, Sanjiv Kumar, Jonathan Pye, Tetsuo Horimatsu, Rod Pellenberg, David W Stepp, Rudolf Lucas, Vladimir Y Bogdanov, Sheldon E Litwin, Julia E Brittain, Ryan A Harris
High-fat meal (HFM) consumption can produce acute lipemia and trigger myocardial infarction in patients with atherosclerosis, but the mechanisms are poorly understood. Erythrocytes (red blood cells, RBCs) intimately interact with inflammatory cells and blood vessels and play a complex role in regulating vascular function. Chronic high-fat feeding in mice induces pathological RBC remodeling, suggesting a novel link between HFM, RBCs, and vascular dysfunction. However, whether acute HFM can induce RBC remodeling in humans is unknown...
March 23, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29559378/acute-alterations-in-the-hematological-and-hemorheological-profile-induced-by-resistance-training-and-possible-implication-for-microvascular-functionality
#15
Daniel A Bizjak, Daniel Jacko, Philipp Zimmer, Sebastian Gehlert, Wilhelm Bloch, Marijke Grau
Depending on the exercise variables and training design, resistance exercise can be applied to gain muscle mass, prevent diseases like osteoporosis and sarcopenia or generally increase strength capacity. But the influence on blood flow parameters and possible consequences in health and disease are less understood. To examine the possible impact of resistance exercise of different duration on hemorheology, oxidative stress and microvascular function, participants (n = 6) performed lower-limb resistance exercise of the quadriceps femoris...
March 17, 2018: Microvascular Research
https://www.readbyqxmd.com/read/29554046/the-evolution-of-pediatric-transfusion-practice-during-combat-operations-2001-2013
#16
Jeremy W Cannon, Lucas P Neff, Heather F Pidcoke, James K Aden, Philip C Spinella, Michael A Johnson, Andrew P Cap, Matthew A Borgman
BACKGROUND: Hemostatic resuscitation principles have significantly changed adult trauma resuscitation over the past decade. Practice patterns in pediatric resuscitation likely have changed as well; however, this evolution has not been quantified. We evaluated pediatric resuscitation practices over time within a combat trauma system. METHODS: The Department of Defense Trauma Registry (DoDTR) was queried from 2001-2013 for pediatric patients (<18 years). Patients with burns, drowning, and missing injury severity score (ISS) were excluded...
March 16, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29550804/autologous-cord-blood-transfusion-in-preterm-infants-could-its-humoral-effect-be-the-kez-to-control-prematurity-related-complications-a-preliminary-study
#17
M Kotowski, Z Litwinska, P Klos, E Pius-Sadowska, E Zagrodnik-Ulan, P Ustianowski, J Rudnicki, B Machalinski
Umbilical cord blood (UCB), rich in stem/progenitor cells, is partially eliminated from the bloodstream during childbirth because the cord is immediately clamped. We hypothesize that transfusion of autologous UCB to premature infants after delivery could serve as an adjuvant modality for preventing the development of prematurity-related complications. We randomly enrolled 20 preterm infants born before 32 weeks of gestational age (GA), all of whom developed anemia, necessitating transfusion of red blood cells (RBCs)...
December 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29542019/in-vivo-red-blood-cells-plasma-partition-coefficient-of-treosulfan-and-its-active-monoepoxide-in-rats
#18
Michał Romański, Anna Zacharzewska, Artur Teżyk, Franciszek K Główka
BACKGROUND AND OBJECTIVES: Treosulfan is a prodrug applied in the treatment of ovarian cancer and conditioning prior to stem cell transplantation. So far, the bioanalysis of treosulfan in either whole blood or red blood cells (RBC) has not been carried out. In this work, the RBC/plasma partition coefficient (Ke/p ) of treosulfan and its active monoepoxide was determined for the first time. METHODS: Male and female 10-week-old Wistar rats (n = 6/6) received an intraperitoneal injection of treosulfan at the dose of 500 mg/kg body weight...
March 14, 2018: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29538238/multicenter-study-of-crystalloid-boluses-and-transfusion-in-pediatric-trauma-when-to-go-to-blood
#19
Stephanie F Polites, Rachel M Nygaard, Pooja N Reddy, Martin D Zielinski, Chad J Richardson, Terri A Elsbernd, Branden M Petrun, Sean L Weinberg, Sherrie Murphy, Donald D Potter, Denise B Klinkner, Christopher R Moir
BACKGROUND: The 9th edition of ATLS recommends up to three crystalloid boluses in pediatric trauma patients with consideration of transfusion after the second bolus however this approach is debated. We aimed to determine if requirement of more than one fluid bolus predicts the need for transfusion. METHODS: 2010-2016 highest tier activation patients <15 years of age from two ACS Level I pediatric trauma centers were identified from prospectively maintained trauma databases...
March 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29538234/intravenous-administration-of-synthetic-platelets-synthoplatetm-in-a-mouse-liver-injury-model-of-uncontrolled-hemorrhage-improves-hemostasis
#20
Mitchell R Dyer, DaShawn Hickman, Norman Luc, Shannon Haldeman, Patricia Loughran, Christa Pawlwoski, Anirban Sen Gupta, Matthew D Neal
BACKGROUND: Clinical resuscitative treatment of traumatic hemorrhage involves transfusion of RBC, platelets and plasma in controlled ratios. However, use of such blood components, especially platelets, present many challenges including availability, portability, contamination risks, and short shelf-life, which limit the use of platelet transfusions outside of large trauma centers such as remote civilian hospitals and austere pre-hospital settings. This has prompted significant research in platelet substitutes that may resolve the above issues while providing platelet-mimetic hemostatic action...
March 12, 2018: Journal of Trauma and Acute Care Surgery
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