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https://www.readbyqxmd.com/read/27914736/research-progress-of-platelet-transfusion-in-china
#1
REVIEW
Qiushi Wang, Jiangcun Yang, Lori Stevens, Deqing Wang
Platelet products have been increasingly used for more than 50 years. Platelet transfusion is effective for correcting bleeding caused by thrombocytopenia and platelet function defects. In this review, we will outline research on platelet transfusion in China including platelet biosafety, cryopreservation of platelets, the assessment of the effectiveness of platelet transfusion, the causes of platelet transfusion refractoriness including immunization against CD36, and neonatal alloimmune thrombocytopenia.
November 27, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27914214/antithrombin-improves-the-maternal-and-neonatal-outcomes-but-not-the-angiogenic-factors-in-extremely-growth-restricted-fetuses-at-28-weeks-of-gestation
#2
Midori Fujisaki, Ken Furuta, Masanao Ohhashi, Seishi Furukawa, Yuki Kodama, Yasuyuki Kawagoe, Hiroshi Sameshima, Tsuyomu Ikenoue
AIMS: Severe preterm fetal growth restriction (FGR) remote from term is problematic. We aimed to investigate the effect of maternally-administered antithrombin on maternal and neonatal outcomes. A prospective, one-arm, pilot study was performed in 14 women with severe FGR (≤5th centile) at <28 weeks of gestation, without hypertensive disorders. Maternal plasma concentrations of soluble Feline McDonough Sarcoma (FMS)-like trypsin kinase-1 (sFlt-1) and placental growth factor (PlGF) were measured and categorized into three groups: group 1; low sFlt-1 and high PlGF, group 2; moderate sFlt-1 and low PlGF, and group 3; high sFlt-1 and low PlGF...
December 3, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27901294/performance-of-functional-fibrinogen-thromboelastography-in-children-undergoing-congenital-heart-surgery
#3
Nischal K Gautam, Chunyan Cai, Olga Pawelek, Muhammad B Rafique, Davide Cattano, Evan G Pivalizza
BACKGROUND: Functional Fibrinogen assay of the Thromboelastography (FFTEG), a whole blood viscoelastic hemostatic assay, has been used to estimate fibrinogen levels in adult patients undergoing major surgery but its performance in pediatric patients undergoing cardiac surgery requires evaluation. In this study, we evaluate the correlation between FFTEG parameters and standard laboratory tests for fibrinogen and platelet counts before and after cardiopulmonary bypass in children undergoing repair for congenital heart disease...
November 30, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27891368/is-the-mean-platelet-volume-a-predictive-marker-of-a-low-apgar-score-and-insulin-resistance-in-gestational-diabetes-mellitus-a-retrospective-case-control-study
#4
Levent Kebapcilar, Ayse Gul Kebapcilar, Tolgay Tuyan Ilhan, Suleyman Hilmi Ipekci, Suleyman Baldane, Aybike Pekin, Mustafa Kulaksizoglu, Cetin Celik
INTRODUCTION: Gestational diabetes is defined as various degrees of glucose intolerance diagnosed or detected for the first time during pregnancy and is the most common metabolic complication of pregnancy. Early diagnosis and adequate treatment are important to prevent complications. Pre-eclampsia, polyhydramnios, fetalmacrosomia, and operative delivery are some of the complications seen in pregnant women diagnosed with Gestational Diabetes Mellitus (GDM). AIM: The present study was designed to determine whether there was an association between Mean Platelet Volume (MPV) in predicting poor fetal outcome, insulin resistance, neonatal Apgar scores and gestational age for women with GDM...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27871460/placental-histological-lesions-in-fetal-and-neonatal-alloimmune-thrombocytopenia-a-retrospective-cohort-study-of-21-cases
#5
Estelle Dubruc, Frédérique Lebreton, Catherine Giannoli, Muriel Rabilloud, Cyril Huissoud, Mojgan Devouassoux-Shisheboran, Fabienne Allias
BACKGROUND: Alloimmunization against human platelet antigens (HPAs) can occur prenatally and induce fetal/neonatal alloimmune thrombocytopenia (FNAIT). The aim of this study was to identify placental histological features associated with platelet alloimmunization and their clinical significance. METHODS: This study examined 21 placentas from FNAIT-affected pregnancies and 42 age-matched control cases, all collected from pathology departments in the Rhône-Alpes region...
December 2016: Placenta
https://www.readbyqxmd.com/read/27862486/characterisation-of-maternal-human-leukocyte-antigen-class-i-antibodies-in-suspected-foetal-and-neonatal-alloimmune-thrombocytopenia
#6
E Refsum, A Mörtberg, J Dahl, S Meinke, M-K Auvinen, M Westgren, M Reilly, P Höglund, A Wikman
OBJECTIVES: To investigate the specificities and level of HLA class I antibodies in selected cases referred for suspected foetal and neonatal alloimmune thrombocytopenia (FNAIT). BACKGROUND: FNAIT occurs in 1 : 1-2000 live births, whereas maternal immunisation against human leukocyte antigen (HLA) class I is common. Whether HLA class I antibodies alone can cause FNAIT is debatable. MATERIAL AND METHODS: A total of 260 patient samples were referred between 2007 and 2012...
November 9, 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27849673/intraventricular-hemorrhage-and-platelet-indices-in-extremely-premature-neonates
#7
Georgios Mitsiakos, Aimilia-E Papathanasiou, Ioannis Kyriakidis, Paraskevi Karagianni, Konstantinos Tsepis, Irene Tzimou, Eleni Lazaridou, Ilias Chatziioannidis
Intraventricular hemorrhage (IVH) is a multifactorial disorder, the most important risk factors of which are prematurity and low birth weight. Disturbances in cerebral blood flow, inherent fragility of the germinal matrix vasculature, and platelet/coagulation disturbances are the 3 major pathogenic mechanisms. In this context, we investigated the role of platelet indices and several maternal and neonatal characteristics in the development of IVH through a retrospective cohort analysis of 130 extremely premature neonates, 24% of whom presented with severe IVH...
October 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27849621/vancomycin-induced-thrombocytopenia-in-a-newborn
#8
Kunal Kalra, Hema Gupta Mittal, Arti Maria
Neonatal thrombocytopenia is common and is frequently seen in neonatal sepsis. Drug-induced thrombocytopenia is likely to be missed unless a high index of suspicion is present. Changing of antibiotics for assumed nonresolution of sepsis may lead to persistent thrombocytopenia in a neonate if drug-induced thrombocytopenia is missed. Vancomycin-induced neonatal thrombocytopenia is rarely described in scientific literature. We describe a newborn who was diagnosed with early onset sepsis and vancomycin-induced thrombocytopenia...
December 1, 2016: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/27829878/glanzmann-thrombasthenia-in-pregnancy-optimising-maternal-and-fetal-outcomes
#9
A Wijemanne, I Watt-Coote, S Austin
Glanzmann thrombasthenia is a rare autosomal recessive haemorrhagic disorder. The risks of miscarriage, antepartum and postpartum haemorrhage, and neonatal complications are all increased in individuals presenting with the disease in pregnancy. Some individuals may develop antibodies to platelet glycoproteins; the presence of these antibodies is a rare cause of neonatal alloimmune thrombocytopenia and potential intracranial haemorrhage. Multidisciplinary care is paramount for ensuring optimal fetal and maternal outcomes in such cases...
December 2016: Obstetric Medicine
https://www.readbyqxmd.com/read/27823842/cerebral-sinovenous-thrombosis-in-the-asphyxiated-cooled-infants-a-prospective-observational-study
#10
Maurizio Radicioni, Vittorio Bini, Pietro Chiarini, Ambra Fantauzzi, Francesca Leone, Raffaella Scattoni, Pier Giorgio Camerini
BACKGROUND: Cerebral sinovenous thrombosis is unusual in the asphyxiated cooled infants, but reliable data regarding the incidence of this comorbidity are lacking. We assessed the incidence of sinovenous thrombosis in a population of asphyxiated cooled infants by performing routine brain magnetic resonance venography. METHODS: All asphyxiated infants who underwent therapeutic cooling at our institution completed brain magnetic resonance venography after rewarming...
October 6, 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/27819553/pt-vwd-posing-diagnostic-and-therapeutic-challenges-small-case-series
#11
Analía Sánchez-Luceros, Adriana I Woods, Emilse Bermejo, Shilpa Shukla, Suchitra Acharya, Michelle Lavin, Natalia Rydz, Maha Othman
Despite the increased worldwide awareness, over the last decade, of the platelet-type von Willebrand Disease (PT-VWD), many uncertainties remain around this rare platelet bleeding disorder. This report aims to correctly identify and study the phenotype of new patients and highlights the diagnostic and therapeutic challenges this disease remains to pose. We describe four PT-VWD cases confirmed by genetic analysis in which either the diagnosis and/or the treatment posed challenge. We provide the details of the clinical presentation, laboratory analysis, and the treatment and the responses in each case...
November 7, 2016: Platelets
https://www.readbyqxmd.com/read/27810994/decreased-numbers-of-dense-granules-in-fetal-and-neonatal-platelets
#12
Denisa Urban, Fred G Pluthero, Hilary Christensen, Shoma Baidya, Margaret L Rand, Animitra Das, Prakeshkumar S Shah, David Chitayat, Victor S Blanchette, Walter H A Kahr
No abstract text is available yet for this article.
November 3, 2016: Haematologica
https://www.readbyqxmd.com/read/27806668/contemporary-management-of-neonatal-alloimmune-thrombocytopenia-good-outcomes-in-the-intravenous-immunoglobulin-era-results-from-the-australian-neonatal-alloimmune-thrombocytopenia-registry
#13
Gemma L Crighton, Ri Scarborough, Zoe K McQuilten, Louise E Phillips, Helen F Savoia, Bronwyn Williams, Rhonda Holdsworth, Amanda Henry, Erica M Wood, Stephen A Cole
OBJECTIVE: To describe the natural history, antenatal and postnatal therapy, and clinical outcomes of Australian patients with fetomaternal/neonatal alloimmune thrombocytopenia (NAIT) recorded in the Australian NAIT Registry. METHODS: Analysis of registry data of Australian mothers treated antenatally for NAIT and any fetus/newborn with thrombocytopenia (TCP) and maternal human platelet antigen (HPA) antibodies. RESULTS: 94 potential cases (91 pregnancies; three twin pregnancies) were registered between December 2004 and September 2015 with 76 confirmed or treated as NAIT...
November 2, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27792243/prediction-of-progression-to-severe-disease-in-women-with-late-preterm-hypertensive-disorders-of-pregnancy
#14
Eva F Zwertbroek, Kim Broekhuijsen, Josje Langenveld, Gert-Jan van Baaren, Paul P van den Berg, Henk A Bremer, Wessel Ganzevoort, Aren J van Loon, Ben W J Mol, Maria G van Pampus, Denise A M Perquin, Robbert J P Rijnders, Hubertina Cj Scheepers, Marko J Sikkema, Mallory D Woiski, Henk Groen, Maureen T M Franssen
If hypertensive disorders of pregnancy (HDP) are diagnosed before term, the benefits of immediate delivery need to be weighed against the neonatal consequences of preterm delivery. If we are able to predict which women are at high risk of progression to severe disease, they could be targeted for delivery and maternal complications may be reduced. In addition, this may prevent unnecessary preterm births in women at low risk MATERIAL AND METHODS: We developed a prediction model using data from the HYPITAT-II trail, which evaluated immediate delivery versus expectant monitoring in women with non-severe HDP between 34 and 37 weeks of gestation...
October 28, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27753021/non-invasive-prenatal-diagnosis-of-feto-maternal-platelet-incompatibility-by-cold-high-resolution-melting-analysis
#15
Marta Ferro, Hada C Macher, Pilar Noguerol, Pilar Jimenez-Arriscado, Patrocinio Molinero, Juan M Guerrero, Amalia Rubio
Fetal and Neonatal alloimmune thrombocytopenia (FNAIT) is a condition which could occur when pregnant women develop an alloimmunization against paternally inherited antigens of the fetal platelets. Approximately 80 % of FNAIT cases are caused by anti-HPA-1a, about 15 % by anti-HPA-5b and 5 % by other HPA antibodies. Only 2 % of the total population is HPA-1a negative (HPA-1b1b). The HPA-1a allele differs by one single nucleotide from HPA-1b allele, yet it represents around 27 % of total severe thrombocytopenias...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27748520/maternal-hla-genotyping-is-not-useful-for-predicting-severity-of-fetal-and-neonatal-alloimmune-thrombocytopenia
#16
Susanna Sainio, Kaija Javela, Jarno Tuimala, Katri Haimila
Lack of reliable laboratory parameters is the main challenge in the management of fetal and neonatal alloimmune thrombocytopenia (FNAIT). Despite the long-known association between the HLA-DRB3*01:01 allele and human platelet antigen 1a (HPA-1a) alloimmunisation, maternal human leucocyte antigen (HLA) typing has been of little clinical value. Recently, other DRB3 allele variants have been suggested to predict the severity of FNAIT. In this nationwide population-based retrospective cohort study, we performed extensive HLA typing of 96 women, accounting for 87% of our cohort of 110 families with confirmed or possible HPA-1a-immunisation...
October 17, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27734744/evaluation-of-maternal-liver-elasticity-by-acoustic-radiation-force-impulse-elastosonography-in-hypertensive-disorders-of-pregnancy-a-preliminary-descriptive-study
#17
Orkun Cetin, Erbil Karaman, Harun Arslan, Ali Kolusarı, Recep Yıldızhan, Mesut Ozgokce, Abdussamet Batur, Ibrahim Akbudak
PURPOSE: To compare maternal liver elasticity scores by Acoustic Radiation Force Impulse (ARFI) elastosonography in healthy and preeclamptic pregnancies and its association with the severity of the disease. MATERIALS AND METHODS: Forty-two healthy, 33 mild, 33 severe preeclamptic and 28 pregnant women with Hemolysis, Elevated Liver enzymes, and Low Platelets (HELLP) syndrome were included into the study. Maternal liver elasticity was measured by ARFI elastosonography at the first day of puerperium...
October 13, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27728915/fetal-and-neonatal-alloimmune-thrombocytopenia-management-and-outcome-of-a-large-international-retrospective-cohort
#18
Marije M Kamphuis, Heidi Tiller, E S van den Akker, Magnus Westgren, Eleonor Tiblad, Dick Oepkes
OBJECTIVE: To evaluate the management and outcome of a large international cohort of cases of pregnancies complicated by fetal and neonatal alloimmune thrombocytopenia (FNAIT). METHODS: This was an observational prospective and retrospective cohort study of all cases of FNAIT entered into the international multicentre No IntraCranial Haemorrhage (NOICH) registry during the period of 2001-2010. We evaluated human platelet antigen (HPA) specificity, the antenatal and postnatal interventions performed, and clinical outcome...
October 12, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27724926/anti-platelet-therapy-holds-promises-in-treating-adenomyosis-experimental-evidence
#19
Bo Zhu, Yumei Chen, Xiaolu Shen, Xishi Liu, Sun-Wei Guo
BACKGROUND: Recently emerging evidence indicates that endometriotic lesions are wounds undergoing repeated tissue injury and repair (ReTIAR), and platelets induce epithelial-mesenchymal transition (EMT), fibroblast-to-myofibroblast transdifferentiation (FMT), leading ultimately to fibrosis. Due to the commonality of cyclic bleeding as in endometriosis, adenomyotic lesions are also wounds that undergo ReTIAR, and we have recently provided evidence corroborating platelet-induced EMT, FMT and fibrogenesis in adenomyosis...
October 10, 2016: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/27704515/prevalence-and-outcomes-of-thrombocytopenia-in-a-neonatal-intensive-care-unit
#20
Imene Dahmane Ayadi, Emira Ben Hamida, Asma Youssef, Yosra Sdiri, Zahra Marrakchi
Background Thrombocytopenia is a common clinical problem in neonatal intensive care units, affecting about 20 to 35% of all admitted neonates. Even most episodes are mild or moderate, severe episodes could be life-threatening or responsible for sequelae. Objectives The aims of this study were to describe the prevalence, clinical diagnoses, and to determine risk factors for poor prognosis of thrombocytopenia in a neonatal intensive care unit. Methods We carried out a retrospective study in the neonatal intensive care unit of Charles Nicolle Hospital of Tunis, a tertiary neonatal care center, over a four years period (January 2010 to December 2013)...
April 2016: La Tunisie Médicale
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