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https://www.readbyqxmd.com/read/28097445/pregnancy-outcomes-in-hiv-positive-women-a-retrospective-cohort-study
#1
Kholoud Arab, Andrea R Spence, Nicholas Czuzoj-Shulman, Haim A Abenhaim
PURPOSE: In the United States, an estimated 8500 HIV (human immunodeficiency virus) positive women gave birth in 2014. This rate appears to be increasing annually. Our objective is to examine obstetrical outcomes of pregnancy among HIV-positive women. METHODS: A population-based cohort study was conducted using the Nationwide Inpatient Sample database (2003-2011) from the United States. Pregnant HIV-positive women were identified and compared to pregnant women without HIV...
January 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28073857/first-newborn-baby-to-receive-experimental-therapies-survives-ebola-virus-disease
#2
Jenny Dörnemann, Chiara Burzio, Axelle Ronsse, Armand Sprecher, Hilde De Clerck, Michel Van Herp, Marie-Claire Kolié, Vesselina Yosifiva, Severine Caluwaerts, Anita K McElroy, Annick Antierens
A neonate born to an Ebola virus-positive woman was diagnosed with Ebola virus infection on her first day of life. The patient was treated with monoclonal antibodies (ZMapp), a buffy coat transfusion from an Ebola survivor, and the broad-spectrum antiviral GS-5734. On day 20, a venous blood specimen tested negative for Ebola virus by quantitative reverse-transcription polymerase chain reaction. The patient was discharged in good health on day 33 of life. Further follow-up consultations showed age-appropriate weight gain and neurodevelopment at the age of 12 months...
January 9, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28065763/the-kidd-jk-blood-group-system
#3
REVIEW
Shaun Lawicki, Randal B Covin, Amy A Powers
The Kidd blood group system was discovered in 1951 and is composed of 2 antithetical antigens, Jk(a) and Jk(b), along with a third high-incidence antigen, Jk3. The Jk3 antigen is expressed in all individuals except those with the rare Kidd-null phenotype. Four Kidd phenotypes are therefore possible: Jk(a+b-), Jk(a-b+), Jk(a+b+), and Jk(a-b-). The glycoprotein carrying the Kidd antigens is a 43-kDa, 389-amino acid protein with 10 membrane-spanning domains which functions as a urea transporter on endothelial cells of the renal vasa recta as well as erythrocytes...
November 9, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28032327/emerging-zika-virus-infection-a-rapidly-evolving-situation
#4
Bordi Licia, Avsic-Zupanc Tatjana, Lalle Eleonora, Vairo Francesco, Capobianchi Maria Rosaria, Pedro Fernando da Costa Vasconcelos
Zika virus is a mosquito-borne flavivirus, firstly identified in Uganda and responsible for sporadic human cases in Africa and Asia until recently, when large outbreak occurred in Pacific Ocean and the Americas. Since the main vectors during its spread outside of Africa have been Ae. albopictus and Ae. aegypti mosquitoes, which are widely distributed all over the world, there is urgent need for a coordinated response for prevention and spread of ZIKV epidemics.Despite clinical manifestation of Zika virus infection are usually mild and self limiting, there are reports suggesting, during the recent epidemic, an association of ZIKV infection with severe consequences, including fetal/newborn microcephaly, due to vertical in utero transmission, autoimmune-neurological presentations including cranial nerve dysfunction, and Guillain-Barré Syndrome in adults...
December 29, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28028293/potential-use-of-cord-blood-for-hb-e-hemoglobinopathy-screening-programme-using-capillary-electrophoresis
#5
W A Wan Mohd Saman, R Hassan, S Mohd Yusoff, C A Che Yaakob, N A F Abdullah, S Ghazali, M A R Mohd Radzi, R Bahar
BACKGROUND: Thalassemia and hemoglobinopathies are inherited red blood cell disorders found worldwide. Hemoglobin (Hb) E disorder is one of the hemoglobinopathies known to have the high prevalence in South East Asia. Most of transfusion-dependent thalassemias were genotypically compound heterozygous Hb E/ β-thalassemia. In Malaysia, the national screening program for thalassemia was implemented for early pregnancy or secondary school girls; however many participants do not turn-up and missed the screening test...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28005272/prophylactic-versus-selective-blood-transfusion-for-sickle-cell-disease-in-pregnancy
#6
REVIEW
Babasola O Okusanya, Olufemi T Oladapo
BACKGROUND: Pregnant women with sickle cell disease (HbSS, HbSC and HbSβThal) may require blood transfusion to prevent severe anaemia or to manage potential medical complications. Preventive blood transfusion in the absence of complications starting from the early weeks of pregnancy or blood transfusion only for medical or obstetric indications have been used as management policies. There is currently no consensus on the blood transfusion policy that guarantees optimal clinical benefits with minimal risks for such women and their babies...
22, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28002310/committee-opinion-no-684-delayed-umbilical-cord-clamping-after-birth
#7
(no author information available yet)
Delayed umbilical cord clamping appears to be beneficial for term and preterm infants. In term infants, delayed umbilical cord clamping increases hemoglobin levels at birth and improves iron stores in the first several months of life, which may have a favorable effect on developmental outcomes. There is a small increase in jaundice that requires phototherapy in this group of infants. Consequently, health care providers adopting delayed umbilical cord clamping in term infants should ensure that mechanisms are in place to monitor for and treat neonatal jaundice...
January 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28002305/committee-opinion-no-684-summary-delayed-umbilical-cord-clamping-after-birth
#8
(no author information available yet)
Delayed umbilical cord clamping appears to be beneficial for term and preterm infants. In term infants, delayed umbilical cord clamping increases hemoglobin levels at birth and improves iron stores in the first several months of life, which may have a favorable effect on developmental outcomes. There is a small increase in jaundice that requires phototherapy in this group of infants. Consequently, health care providers adopting delayed umbilical cord clamping in term infants should ensure that mechanisms are in place to monitor for and treat neonatal jaundice...
January 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27984617/-molecular-genetic-analysis-of-four-cases-with-weak-d-variant-of-rh-blood-type
#9
Yunlei He, Gang Deng, Deyi Xu, Wei Liang, Lu Yu
OBJECTIVE: To explore the molecular basis of 4 cases with weak D variant of Rh blood type. METHODS: Routine serological testing was applied to determine the D, C, c, E and e antigens of the Rh blood group. The D antigen was further detected with an indirect antiglobulin test. RHD zygosity was detected by sequence-specific primer PCR method. All exons and flanking intron regions of the RHD gene were sequenced. RESULTS: The samples were determined as weak D phenotype by serological testing...
December 10, 2016: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/27979672/-neonatal-expression-of-beta-thalassemia-trait-associated-with-hereditary-spherocytosis-in-two-monozygotic-twins
#10
H Ben Hamouda, B Mahjoub, H Soua, S Laradi, A Miled, M T Sfar
The beta-thalassemia trait is a heterozygous beta-thalassemia characterized by a partial deficiency of the synthesis of beta-globin chains of hemoglobin. It is usually asymptomatic and the diagnosis is often made on the occasion of the completion of a systematic blood count or a family survey. Clinical expression during the neonatal period is impossible and its association with hereditary spherocytosis is common. We report two monozygotic twins who, on the 3rd day of life, presented intense jaundice, unconjugated bilirubin associated with anemia, without hepatosplenomegaly...
December 12, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27915323/the-role-of-neonatal-nurses-in-the-prevention-of-retinopathy-of-prematurity
#11
Geetanjli Kalyan, Sarah Moxon
The main risk factors for preterm babies developing retinopathy of prematurity (ROP) are poorly administered supplemental oxygen, infections, poor weight gain and transfusion of blood products, meaning ROP is sensitive to the quality of neonatal inpatient care provided, especially the nursing care. Nurses are the primary caregivers in neonatal units and play a critical role in preventing ROP related blindness. We discuss the role of the neonatal nurse in prevention of ROP based on a framework of five dimensions of care: specialist knowledge, clinical advocacy, leadership and mentorship, service management and counselling...
November 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27908184/irradiation-with-x-rays-of-the-energy-18-mv-induces-radioactivity-in-transfusion-blood-proposal-of-a-safe-method-using-6-mv
#12
Katharina Frentzel, Harun Badakhshi
PURPOSE: To prevent a fatal transfusion-associated graft-versus-host disease, it is recommended to irradiate transfusion blood and blood components with ionizing radiation. Using x-rays from a linear accelerator of the radiotherapy department is an accepted alternative to gamma irradiation devices of the blood bank and to the orthovoltage units that are replacing the gamma irradiators today. However, the use of high energy x-rays may carry a potential risk of induced radioactivity. The objective of this study was to investigate the effect of two different energy levels, 6 and 18 MV, which are executed in routine clinical settings...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27893356/single-stranded-dna-aptamer-targeting-and-neutralization-of-anti-d-alloantibody-a-potential-therapeutic-strategy-for-haemolytic-diseases-caused-by-rhesus-alloantibody
#13
Yinze Zhang, Fan Wu, Manni Wang, Naibao Zhuang, Huayou Zhou, Hua Xu
BACKGROUND: Rhesus (Rh) D antigen is the most important antigen in the Rh blood group system because of its strong immunogenicity. When RhD-negative individuals are exposed to RhD-positive blood, they may produce anti-D alloantibody, potentially resulting in delayed haemolytic transfusion reactions and Rh haemolytic disease of the foetus and newborn, which are difficult to treat. Inhibition of the binding of anti-D antibody with RhD antigens on the surface of red blood cells may effectively prevent immune haemolytic diseases...
November 11, 2016: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/27864631/factors-affecting-efficacy-of-packed-red-blood-cell-transfusion-in-neonates
#14
Rakesh Kumar Pilania, Shiv Sajan Saini, Sourabh Dutta, Reena Das, Neelam Marwaha, Praveen Kumar
: The degree of increase in haematocrit and equilibration time following packed red blood cell (PRBC) transfusion in neonates is not well studied. We evaluated change in haematocrit 15 min, 6 h and 24 h after PRBC transfusion in neonates and factors predicting this change. Among neonates receiving PRBC transfusion, we recorded pre-transfusion haematocrit and a priori identified putative variables affecting change in haematocrit following transfusion. The factors affecting change in haematocrit were analyzed by multiple linear regression analysis...
January 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27857529/severe-hemolytic-disease-of-the-premature-newborn-due-to-rh1-incompatibility-a-case-report
#15
Jean Uwingabiye, Hafid Zahid, Fayçal Labrini, Abdelhak El Khazraji, Anass Yahyaoui, Rachid Hadef, Nezha Messaoudi
We report a case of dramatic outcome of severe hemolytic disease in a newborn due to RH1 incompatibility. A newborn with A RH1 blood group was admitted in the Mohammed V Military Teaching Hospital for the problem of hydrops fetalis associated with RH1 incompatibility. The blood group of his mother, aged 31, was AB RH1-negative and that of his 37 year old father was A RH1. The mother had a history of 4 term deliveries, 3 abortions, and 1 living child. There was no prevention by anti-D immunoglobulin postpartum...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27827796/effect-of-body-position-and-ventilation-on-umbilical-artery-and-venous-blood-flows-during-delayed-umbilical-cord-clamping-in-preterm-lambs
#16
Stuart B Hooper, Kelly J Crossley, Valerie A Zahra, Jeroen van Vonderen, Alison Moxham, Andrew W Gill, Martin Kluckow, Arjan B Te Pas, Euan M Wallace, Graeme R Polglase
OBJECTIVE: While delayed umbilical cord clamping (UCC) is thought to facilitate placental to infant blood transfusion, the physiological factors regulating flow in the umbilical arteries and veins during delayed UCC is unknown. We investigated the effects of gravity, by changing fetal height relative to the placenta, and ventilation on umbilical blood flows and the cardiovascular transition during delayed UCC at birth. METHODS: Catheters and flow probes were implanted into preterm lambs (128 days) prior to delivery to measure pulmonary, carotid, umbilical artery (UaBF) and umbilical venous (UvBF) blood flows...
November 8, 2016: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/27807866/a-jordanian-family-with-three-sisters-apparently-homozygous-for-m-k-and-evidence-for-clinical-significance-of-antibodies-produced-by-m-k-m-k-individuals
#17
Nour Al-Huda Al-Jada
BACKGROUND: The rare M(k) M(k) phenotype is the result of a deletion of the coding regions of both GYPA and GYPB. Red blood cells (RBCs) of individuals homozygous for the rare M(k) gene lack all MNS blood group antigens and have no glycophorin A or glycophorin B. This phenotype is extremely rare and only four families have been reported. CASE REPORT: A 28-year-old woman was referred for assessment of recurrent early neonatal deaths. She was found to be apparently homozygous for M(k) ...
November 3, 2016: Transfusion
https://www.readbyqxmd.com/read/27783412/emergency-uncrossmatched-blood-transfusions-in-a-tertiary-neonatal-unit
#18
D Finn, A Dorrian, J Sheehy, E M Dempsey, C A Ryan
AIM: To determine the neonatal incidence, indications and outcomes following transfusions with emergency uncrossmatched O-negative blood. METHODS: A 5 year retrospective review in a single tertiary neonatal unit was conducted. The blood transfusion laboratory's database was analysed for all infants who had received an emergency released blood transfusion (ERBT) between January 2010 - December 2014. RESULTS: We calculated a total ERBT rate of 0...
October 26, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27769314/maternal-and-congenital-cytomegalovirus-infection-and-zero-rubella-igm-prevalence-in-newborns-in-st-paul-s-hospital-millennium-medical-college
#19
Yeshwondm Mamuye, Balkachew Nigatu, Delayehu Bekele, Mekonen Getahun
BACKGROUND: Maternal cytomegalovirus (CMV) and Rubella infections result in adverse neonatal outcomes. Both CMV and Rubella are more widespread in developing countries and in communities with lower socioeconomic status. Thus, the aim of this study was to determine IgM specific to CMV and Rubella among newborns and Maternal CMV-seroprevalence and to identify risk factors. METHOD AND FINDING: Using cross sectional study design a total of 312 (156 newborns and 156 mothers) study participants were recruited by simple random sampling technique from gynecology outpatient department (OPD) and ward, starting from April 1, 2015 to June 30, 2015...
October 21, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27764238/distribution-of-di-a-and-di-b-allele-frequencies-and-comparisons-among-central-thai-and-other-populations
#20
Oytip Nathalang, Puangpaka Panichrum, Kamphon Intharanut, Phatchira Thattanon, Siriporn Nathalang
Alloantibodies to the Diego (DI) blood group system, anti-Dia and anti-Dib are clinically significant in causing hemolytic transfusion reactions (HTRs) and hemolytic disease of the fetus and newborn (HDFN), especially in Asian populations with Mongolian ancestry. This study aimed to report the frequency of the DI*A and DI*B alleles in a Central Thai population and to compare them with those of other populations previously published. Altogether, 1,011 blood samples from unrelated healthy blood donors at the National Blood Centre, Thai Red Cross Society, Bangkok were included...
2016: PloS One
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