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https://www.readbyqxmd.com/read/28526635/arsenic-exposures-alter-clinical-indicators-of-anemia-in-a-male-population-of-smokers-and-non-smokers-in-bangladesh
#1
Faruque Parvez, Sebastian Medina, Regina Santella, Tariqul Islam, Fredine T Lauer, Nur Alam, Mahbubul Eunus, Mizanour Rahman, Pam Factor-Litvak, Habib Ahsan, Joseph Graziano, Ke Jian Liu, Scott W Burchiel
Drinking water arsenic (WAs) exposure has been linked to a number of detrimental health outcomes including anemia, primarily among pregnant women. Little is known about the effects of arsenic (As) on hematological disorders among men. We have examined the role of As exposure on hematological indicators of anemia in a group of men exposed to a wide range of As in their drinking water. We conducted a cross-sectional investigation among 119 healthy men in the Health Effects of As Longitudinal Study (HEALS) cohort, in rural Bangladesh...
May 16, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28524208/microfluidic-analysis-of-red-blood-cell-deformability-as-a-means-to-assess-hemin-induced-oxidative-stress-resulting-from-plasmodium-falciparum-intraerythrocytic-parasitism
#2
Kerryn Matthews, Simon P Duffy, Marie-Eve Myrand-Lapierre, Richard R Ang, Li Li, Mark D Scott, Hongshen Ma
Hemolytic anemia is one of the hallmarks of malaria and leads to an increase in oxidized heme (hemin) within the plasma of infected individuals. While scavenger proteins sequester much of the circulating heme, it has been hypothesized that extracellular heme may play a central role in malaria pathogenesis. We have previously developed the multiplex fluidic plunger (MFP) device for the measurement of red blood cell (RBC) deformability. Here, we demonstrate that the measurement of changes in RBC deformability is a sensitive method for inferring heme-induced oxidative stress...
May 19, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28523351/severity-specific-alterations-in-cbf-oef-and-cmro2-in-cirrhotic-patients-with-hepatic-encephalopathy
#3
Gang Zheng, Hanzhang Lu, Wenkui Yu, Song Luo, Ya Liu, Wei Liu, Hui Liu, Long Wu, Lijuan Zheng, Xiang Kong, Long Jiang Zhang, Guang Ming Lu
OBJECTIVES: To assess how the severity of hepatic encephalopathy (HE) affects perfusion and metabolic changes in cirrhotic patients and the association between severity and liver disease and anemia. METHODS: The study groups comprised 31 healthy subjects and 33 cirrhotic patients who underwent MR examinations, and blood and neuropsychological tests. Of the cirrhotic patients, 14 were unaffected, and 11 had covert HE (CHE) and 8 overt HE (OHE). Global cerebral blood flow (CBF), oxygen extraction fraction (OEF), and metabolic rate of oxygen (CMRO2) were noninvasively measured by phase-contrast and T2-relaxation-under-spin-tagging MRI...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28522577/shorter-leukocyte-telomere-length-is-associated-with-higher-risk-of-infections-a-prospective-study-of-75-309-individuals-from-the-general-population
#4
Jens Helby, Børge G Nordestgaard, Thomas Benfield, Stig E Bojesen
In the general population, older age is associated with short leukocyte telomere length and with high risk of infections. In a recent study of allogeneic hematopoietic cell transplantation for severe aplastic anemia, long donor leukocyte telomere length was associated with improved survival in the recipients. These findings suggest that leukocyte telomere length could possibly be a marker of immune competence. Therefore, we tested the hypothesis that shorter leukocyte telomere length is associated with higher risk of infectious disease hospitalization and infection related death...
May 18, 2017: Haematologica
https://www.readbyqxmd.com/read/28521769/modeling-the-dynamics-of-mouse-iron-body-distribution-hepcidin-is-necessary-but-not-sufficient
#5
Jignesh H Parmar, Grey Davis, Hope Shevchuk, Pedro Mendes
BACKGROUND: Iron is an essential element of most living organisms but is a dangerous substance when poorly liganded in solution. The hormone hepcidin regulates the export of iron from tissues to the plasma contributing to iron homeostasis and also restricting its availability to infectious agents. Disruption of iron regulation in mammals leads to disorders such as anemia and hemochromatosis, and contributes to the etiology of several other diseases such as cancer and neurodegenerative diseases...
May 18, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28520780/towards-a-point-of-care-strip-test-to-diagnose-sickle-cell-anemia
#6
Meaghan Bond, Brady Hunt, Bailey Flynn, Petri Huhtinen, Russell Ware, Rebecca Richards-Kortum
A rapid test to identify patients with sickle cell disease could have important benefits in low-resource settings. Sickle cell anemia (SCA) affects about 300,000 newborns each year, the majority of whom are born in sub-Saharan Africa. Low-cost therapies are available to treat SCA, but most countries in sub-Saharan Africa lack robust neonatal screening programs needed to identify patients in need of treatment. To address this need, we developed and evaluated a competitive lateral flow assay that identifies patients with SCA (genotype HbSS) in 15 minutes using undiluted whole blood...
2017: PloS One
https://www.readbyqxmd.com/read/28519899/hepatic-aa-amyloidosis-in-a-cat-cytologic-and-histologic-identification-of-aa-amyloid-in-macrophages
#7
Sakurako Neo-Suzuki, Takayuki Mineshige, Junichi Kamiie, Hideki Kayanuma, Yukako Mochizuki, Masaharu Hisasue, Ryo Tsuchiya, Kinji Shirota
A 3-year-old, spayed female, Domestic Shorthair cat presented with anorexia, lethargy, vomiting, probable hemoabdomen, and multiple masses on the right lateral liver lobe. Clinicopathologic and imaging abnormalities included anemia, azotemia, icterus, and hepatomegaly with hypoechoic masses. On cytologic evaluation of a fine-needle aspiration of a liver mass there was abundant extracellular pink- to purple-colored material between hepatocytes. The amorphous material was stained with direct fast scarlet (DFS), and green birefringent areas were observed under polarized light, confirming the presence of amyloid...
May 18, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28518222/the-effect-of-initial-molecular-profile-on-response-to-recombinant-interferon-%C3%AE-rifn%C3%AE-treatment-in-early-myelofibrosis
#8
Richard T Silver, Ariella C Barel, Elena Lascu, Ellen K Ritchie, Gail J Roboz, Paul J Christos, Attilio Orazi, Duane C Hassane, Wayne Tam, Nicholas C P Cross
BACKGROUND: Although recombinant interferon-α (rIFNα) effectively treats patients with early myelofibrosis, the effect of driver and high molecular risk (HMR) mutations has not been considered. In this phase 2 study, for the first time, the authors correlate response to rIFNα treatment with driver and HMR mutations. METHODS: Patients were diagnosed using World Health Organization or International Working Group for Myeloproliferative Neoplasms Research and Treatment criteria...
May 18, 2017: Cancer
https://www.readbyqxmd.com/read/28512422/acute-onset-ocular-hypotony-after-coronary-artery-bypass-surgery
#9
Sarah Farukhi Ahmed, Audrey Xi Tai, Mason Schmutz, John Combs, Sameh Mosaed
IMPORTANCE: The purpose of this case report is to evaluate risk factors associated with post-coronary artery bypass graft (CABG) ocular hypotony compared to post-CABG ischemic optic neuropathy. OBSERVATIONS: The patient described here is a single case at the University of California, Irvine Medical Center, from July 2016. This case demonstrates the rare incidence of acute post-CABG ocular hypotony and vision loss in a patient with prior history of optic atrophy...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28512409/immunoglobulin-d-multiple-myeloma-presenting-as-spontaneous-fracture
#10
Samer Al Hadidi, Khalil Katato, Ghassan Bachuwa
Immunoglobulin D multiple myeloma is a rare type of multiple myeloma that usually presents as bone pain, fatigue, or weight loss. We report a case of immunoglobulin D multiple myeloma in a 53-year-old Caucasian male patient with previous medical history of anaplastic oligodendroglioma status post-surgical resection who was evaluated for back pain while mowing the lawn. His physical examination showed tenderness over the lower thoracic vertebrae with no sensory or motor impairment. Initial lab investigations showed normocytic anemia and hypercalcemia with low parathyroid hormone...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28508977/thrombotic-microangiopathy-caused-by-interferon-%C3%AE-1b-for-multiple-sclerosis-a-case-report
#11
Haruomi Nishio, Tatsuo Tsukamoto, Takeshi Matsubara, Yoichiro Okada, Ryosuke Takahashi, Motoko Yanagita
A 41-year-old man with a history of multiple sclerosis (MS) developed thrombotic microangiopathy after taking interferon β-1b for 10 years. Although the relapse of his MS was well controlled under normal blood pressure, he had persistent nausea, anorexia, gait disturbance and visual disorder 1 month before admission. He showed lethargy and high blood pressure (180/102 mmHg). Laboratory test results revealed anemia and thrombocytopenia, elevated LDH and renal dysfunction. Urinary dipstick showed a 2+ result for proteinuria and 3+ for hematuria...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507571/transcatheter-paravalvular-leak-closure-and-hemolysis-a-prospective-registry
#12
Grzegorz Smolka, Piotr Pysz, Andrzej Ochała, Michał Kozłowski, Wojciech Zasada, Zofia Parma, Michał Tendera, Wojciech Wojakowski
INTRODUCTION: Paravalvular leak (PVL) related to a surgical prosthetic valve may be associated with clinically significant hemolysis. The influence of transcatheter PVL closure (TPVLC) on hemolysis remains uncertain. MATERIAL AND METHODS: The prospective registry included patients undergoing TPVLC due to PVL-related heart failure and/or hemolysis. Procedural data, laboratory markers of hemolysis and heart failure status were recorded at baseline, discharge and at 1- and 6-month follow-up...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28507082/association-between-diffuse-myocardial-fibrosis-and-diastolic-dysfunction-in-sickle-cell-anemia
#13
Omar Niss, Robert Fleck, Fowe Makue, Tarek Alsaied, Payal Desai, Jeffrey A Towbin, Punam Malik, Michael D Taylor, Charles T Quinn
Sickle cell anemia (SCA)-related cardiomyopathy is characterized by diastolic dysfunction and hyperdynamic features. Diastolic dysfunction portends early mortality in SCA. Diastolic dysfunction is associated with microscopic myocardial fibrosis in SCA mice, but the cause of diastolic dysfunction in humans with SCA is unknown. We used cardiac magnetic resonance (CMR) measurements of extracellular volume fraction (ECV) to discover and quantify diffuse myocardial fibrosis in 25 individuals with SCA (mean age 23±13 years), and determine the association between diffuse myocardial fibrosis and diastolic dysfunction...
May 15, 2017: Blood
https://www.readbyqxmd.com/read/28507005/perspective-what-makes-it-so-difficult-to-mitigate-worldwide-anemia-prevalence
#14
Klaus Schümann, Noel W Solomons
Anemia can be related to decreased production or increased loss of erythrocytes, or both, leading to many underlying and often overlapping causes. A largely cereal-based diet with plenty of phytates, polyphenols, and other ligands that inhibit intestinal iron absorption predominated in preindustrial Europe and predominates in present-day developing countries alike. In both situations, we find poor hygienic conditions, which frequently lead to anemia of inflammation. The large number of possible causes and their interaction shows why it is so difficult to mitigate anemia prevalence...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28502540/trends-and-outcomes-in-endovascular-and-open-surgical-treatment-of-visceral-aneurysms
#15
Jason A Chin, Adele Heib, Cassius I Ochoa Chaar, Jonathan A Cardella, Kristine C Orion, Timur P Sarac
OBJECTIVE: Visceral artery aneurysms (VAAs) are rare but often repaired because of dire consequences of rupture. This is a population-based evaluation of chronologic trends in management, risk factors, and outcomes of endovascular and open therapy. METHODS: The 2003 to 2013 Agency for Healthcare Research and Quality (AHRQ) National Inpatient Sample (NIS) database was reviewed. Cases with primary diagnosis of VAA and undergoing endovascular or open repair were identified...
May 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28502227/malaria-and-severe-anemia-over-eight-years-at-gambo-rural-hospital-southern-ethiopia
#16
Pablo Barreiro, Gebre Tiziano, Haji Fano, Tafesse Yohannes, Ashenafi Gosa, Francisco Reyes, Abraham Tesfamariam, Miguel Górgolas, José M Ramos
Evolution of incident malaria and frequency of anemia were analyzed over eight years in a rural hospital in southern Ethiopia. Capillary blood samples were tested for hemoglobin concentration, and in some instances for malaria parasites, at Gambo Rural General Hospital between January 2007 and September 2014, and the results recorded. Main demographic data were also recorded in subjects with Plasmodium sp. infections. Of a total of 54,493 blood samples taken from 45,096 different patients, 21,723 (39.9%) samples from 19,173 (42...
May 13, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28500775/vaccines-against-malaria-still-a-long-way-to-go
#17
REVIEW
Kai Matuschewski
Several species of Plasmodium cause a broad spectrum of human disease that range from nausea and fever to severe anemia, cerebral malaria, and multi-organ failure. In malaria-endemic countries continuous exposure to Plasmodium sporozoite inoculations and subsequent blood infections elicit only partial and short-lived immunity, which gradually develops over many years of parasite exposure and multiple clinical episodes. The ambitious goal of malaria vaccinology over the past 70 years has been to develop an immunization strategy that mounts protection superior to naturally acquired immunity...
May 13, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28500682/red-blood-cell-transfusions-during-sickle-cell-anemia-vaso-occlusive-crises-a-report-from-the-magnesium-in-crisis-magic-study
#18
Monica L Hulbert, Julie A Panepinto, J Paul Scott, Robert I Liem, Lawrence J Cook, Timothy Simmons, David C Brousseau
BACKGROUND: Little is known about red blood cell (RBC) transfusion practices for children hospitalized for a sickle cell vaso-occlusive pain crisis (VOC). We hypothesized that transfusion would be associated with the development of acute chest syndrome (ACS), lower hemoglobin (Hb) concentration, and lack of hydroxyurea therapy. STUDY DESIGN AND METHODS: This is a secondary analysis of all children admitted for a sickle cell pain crisis enrolled in the Magnesium in Crisis (MAGiC) randomized trial; all had HbSS or S-β(0) thalassemia...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500653/blood-transfusion-in-the-surgical-treatment-of-adolescent-idiopathic-scoliosis-a-single-center-experience-of-patient-blood-management-in-210-cases
#19
Søren Ohrt-Nissen, Naeem Bukhari, Casper Dragsted, Martin Gehrchen, Pär I Johansson, Jesper Dirks, Jakob Stensballe, Benny Dahl
BACKGROUND: The surgical treatment of adolescent idiopathic scoliosis can be associated with substantial blood loss, requiring allogeneic red blood cell (RBC) transfusion. This study describes the use of RBC and the effect of a standardized perioperative patient blood management program. STUDY DESIGN AND METHODS: Patients treated with posterior instrumented fusion were consecutively enrolled over a 6-year period. Patient blood management strategies were implemented in 2011, including prophylactic tranexamic acid, intraoperative permissive hypotension, restrictive fluid therapy (including avoidance of synthetic colloids), restrictive RBC trigger according to institutional standardized protocol, the use of cell savage, and goal-directed therapy according to thrombelastography...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28497100/does-tranexamic-acid-reduce-bleeding-during-femoral-fracture-operation
#20
Mohammad Haghighi, Hossein Ettehad, Mohsen Mardani-Kivi, Ahmadreza Mirbolook, Bahram Naderi Nabi, Roya Moghaddam, Abbas Sedighinejad, Gita Khanjanian
BACKGROUND: Proximal Femoral shaft fractures are commonly associated with marked blood loss which can lead to postoperative acute anemia and some other complications. Tranexamic acid (TA) is an antifibrinolytic medication that reduces intra-and postoperative blood loss and transfusion requirements during some elective surgeries. The aim of this study is to evaluate the effect of intravenous Tranexamic acid (TA) on intraoperative blood loss and a subsequent need for transfusion in patients who were undergoing surgery for femoral shaft fractures in trauma setting...
March 2017: Archives of Bone and Joint Surgery
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