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https://www.readbyqxmd.com/read/28443980/chagas-disease-national-survey-of-seroprevalence-in-children-under-five-years-of-age-conducted-in-2008
#1
Graciela Russomando, Blanca Cousiño, Zunilda Sanchez, Laura X Franco, Eva M Nara, Lilian Chena, Magaly Martínez, María E Galeano, Lucio Benitez
BACKGROUND: Since the early 1990s, programs to control Chagas disease in South America have focused on eradicating domiciliary Triatoma infestans, the main vector. Seroprevalence studies of the chagasic infection are included as part of the vector control programs; they are essential to assess the impact of vector control measures and to monitor the prevention of vector transmission. OBJECTIVE: To assess the interruption of domiciliary vector transmission of Chagas disease by T...
May 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28440686/severe-ovarian-hyperstimulation-syndrome-after-combined-gnrh-agonist-and-low-dose-human-chorionic-gonadotropin-trigger-in-a-patient-with-a-single-kidney
#2
Nigel Pereira, Jovana P Lekovich, Isaac Kligman, Zev Rosenwaks
Ovarian hyperstimulation syndrome (OHSS) following gonadotropin-releasing hormone agonist (GnRH-a) trigger is rare. Here, we report a case of severe OHSS after combined GnRH-a and low-dose human chorionic gonadotropin (hCG) trigger in a patient with a single kidney. The patient is a 32-year-old women with a two-year history of infertility. The patient's history was significant for a single kidney, that is, she had donated a kidney to a family member three years ago. The patient underwent controlled ovarian stimulation (COS) for in vitro fertilization (IVF) and received a combined 2 mg GnRH-a and 1500 IU hCG ovulatory trigger...
April 25, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28437543/association-of-donor-age-and-sex-with-survival-of-patients-receiving-transfusions
#3
Gustaf Edgren, Henrik Ullum, Klaus Rostgaard, Christian Erikstrup, Ulrik Sartipy, Martin J Holzmann, Olof Nyrén, Henrik Hjalgrim
Importance: Following animal model data indicating the possible rejuvenating effects of blood from young donors, there have been at least 2 observational studies conducted with humans that have investigated whether donor age affects patient outcomes. Results, however, have been conflicting. Objective: To study the association of donor age and sex with survival of patients receiving transfusions. Design, Setting, and Participants: A retrospective cohort study based on the Scandinavian Donations and Transfusions database, with nationwide data, was conducted for all patients from Sweden and Denmark who received at least 1 red blood cell transfusion of autologous blood or blood from unknown donors between January 1, 2003, and December 31, 2012...
April 24, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28437370/ethics-guide-recommendations-for-organ-donation-focused-physicians-endorsed-by-the-canadian-medical-association
#4
Sam D Shemie, Christy Simpson, Jeff Blackmer, Shavaun MacDonald, Sonny Dhanani, Sylvia Torrance, Paul Byrne
Donation physicians are specialists with expertise in organ and tissue donation and have been recognized internationally as a key contributor to improving organ and tissue donation services. Subsequent to a 2011 Canadian Critical Care Society-Canadian Blood Services consultation, the donation physician role has been gradually implemented in Canada. These professionals are generally intensive care unit physicians with an enhanced focus and expertise in organ/tissue donation. They must manage the dual obligation of caring for dying patients and their families while providing and/or improving organ donation services...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437219/factors-affecting-sexual-function-in-midlife-women-results-from-the-midlife-women-s-health-study
#5
Rebecca L Smith, Lisa Gallicchio, Jodi A Flaws
OBJECTIVE: The objective of this study was to estimate the importance of risk factors affecting sexual function in sexually active midlife women. MATERIALS AND METHODS: A cohort of 780 women undergoing the menopausal transition was surveyed each year for up to 7 years. Data were collected from sexually active women on sexual function, including frequencies of enjoyment, arousal, orgasm, passion for partner, satisfaction with partner, pain, lack of lubrication, fantasizing, and sexual activity...
February 28, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28434852/p-%C3%A2-falciparum-malaria-prevalence-among-blood-donors-in-bamako-mali
#6
B Kouriba, A B Diarra, I Douyon, D T Diabaté, F Kamissoko, H Guitteye, M Baby, M A Guindo, O K Doumbo
AIM: Malaria parasite is usually transmitted to humans by Anopheles mosquitoes but it can also be transmitted through blood transfusion. Usually malaria transmission is low in African urban settings. In West Africa where the P. falciparum is the most predominant malaria species, there are limited measures to reduce the risk of blood transfusion malaria. The aim of this study was to evaluate the prevalence of P. falciparum malaria carriage among blood donors in the National Blood Center of Bamako, capital city of Mali...
April 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28433405/epidemiology-of-toxoplasma-gondii-among-blood-donors-in-iran-a-systematic-review-and-meta-analysis
#7
REVIEW
Akram Mansouri, Mohammad Reza Adhami Mojarad, Gholamreza Badfar, Lila Abasian, Shoboo Rahmati, Wesam Kooti, Mohammad Hossein YektaKooshali, Ali Soleymani, Milad Azami
INTRODUCTION: Asymptomatic Toxoplasma gondii transmitted from blood donors to receiving patients has become a concern. Numerous articles have been published on the epidemiology of T. gondii in blood donors in Iran and a systematic review of the results shows quite different findings, hence this study was conducted to determine the seroprevalence of T. gondii in Iranian blood donors using meta-analysis. METHODS: We searched for epidemiological studies that were published until July 2016 in eight English databases including: Scopus, PubMed, Ovid, Science Direct, Cochrane, Web of Science, Springer, Wiley Online Library, and four Iranian databases: Magiran, Iranmedex, SID and Medlib as well as Google Scholar...
March 29, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28429311/improving-animal-welfare-using-continuous-nalbuphine-infusion-in-a-long-term-rat-model-of-sepsis
#8
Victor Jeger, Mattia Arrigo, Florian F Hildenbrand, Daniel Müller, Paulin Jirkof, Till Hauffe, Burkhardt Seifert, Margarete Arras, Donat R Spahn, Dominique Bettex, Alain Rudiger
BACKGROUND: Sepsis research relies on animal models to investigate the mechanisms of the dysregulated host response to infection. Animal welfare concerns request the use of potent analgesics for the Refinement of existing sepsis models, according to the 3Rs principle. Nevertheless, adequate analgesia is often missing, partly because the effects of analgesics in this particular condition are unknown. We evaluated the use of nalbuphine, an opioid with kappa agonistic and mu antagonistic effects, in rats with and without experimental sepsis...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28426141/melanocortin-2-3-and-4-receptor-gene-expressions-are-downregulated-in-cd8-t-cytotoxic-lymphocytes-and-cd19-b-lymphocytes-in-rheumatoid-arthritis-responding-to-tnf%C3%AE-inhibition
#9
Marlene Andersen, Ivan Nagaev, Michael Kruse Meyer, Olga Nagaeva, Jarl Wikberg, Lucia Mincheva-Nilsson, Grethe Neumann Andersen
Melanocortin signaling in leukocyte subsets elicits anti-inflammatory and immune tolerance inducing effects in animal experimental inflammation. In man, however, the effects of melanocortin signaling in inflammatory conditions have scarcely been examined. We explored the differential reactions of melanocortin 1-5 receptor (MC1-5R) gene expressions in pathogenetic leukocyte subsets in rheumatoid arthritis (RA) to treatment with TNFα inhibitor adalimumab. Seven patients with active RA donated blood at start and at three months treatment...
April 20, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28425610/bacterial-screening-of-platelet-components-by-national-health-service-blood-and-transplant-an-effective-risk-reduction-measure
#10
Carl McDonald, Jennifer Allen, Susan Brailsford, Anjana Roy, Joanne Ball, Richard Moule, Mariza Vasconcelos, Rachael Morrison, Tyrone Pitt
BACKGROUND: Bacterial contamination of blood components remains a major cause of sepsis in transfusion medicine. Between 2006 and 2010 in the 5 years before the introduction of bacterial screening of platelet (PLT) components by National Health Service Blood and Transplant (NHSBT), seven cases of PLT component-associated transmission of bacterial infection were recorded for 10 patients, three of which were fatal. STUDY DESIGN AND METHODS: Sampling of individual PLT components was undertaken at 36 to 48 hours after donation and tested in the BacT/ALERT system with 8 mL inoculated into each of aerobic and anaerobic culture bottles...
May 2017: Transfusion
https://www.readbyqxmd.com/read/28422005/blood-donor-screening-for-west-nile-virus-wnv-revealed-acute-usutu-virus-usuv-infection-germany-september-2016
#11
Daniel Cadar, Philipp Maier, Susanne Müller, Julia Kress, Michael Chudy, Alexandra Bialonski, Alexander Schlaphof, Stephanie Jansen, Hanna Jöst, Egbert Tannich, Stefan Runkel, Walter E Hitzler, Gabriele Hutschenreuter, Martina Wessiepe, Jonas Schmidt-Chanasit
Between 1 June and 31 December 2016, 13,023 blood donations from the University Hospital Aachen in Germany were routinely screened for West Nile virus (WNV) RNA using the cobas TaqScreen WNV Test. On 28 September 2016, one blood donor was tested positive. Subsequent analysis revealed an acute Usutu virus (USUV) infection. During the ongoing USUV epizootics in Germany, blood transfusion services, public health authorities and clinicians should be aware of increased human USUV infections.
April 6, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28421625/factors-affecting-platelet-concentration-in-platelet-concentrates-from-canine-blood-donors
#12
J S Raleigh, K E Jandrey, J Burges, M S Kent
BACKGROUND: Physiologic factors in dogs that might contribute to enhanced platelet yield in platelet concentrates (PCs) are largely unknown. OBJECTIVE: To determine whether individual differences in weight, age, preprocessing blood chemistry, and CBC variables predict the final platelet concentrations in PCs. Our hypotheses were (1) increased lipemic indices would be positively associated with increased platelet concentrations in PCs and (2) increased preprocessing platelet concentrations would be associated with higher platelet concentrations in the PCs...
April 19, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28420812/isolation-of-mesenchymal-stromal-stem-cells-from-cryopreserved-umbilical-cord-blood-cells
#13
Sumie Fujii, Yasuo Miura, Masaki Iwasa, Satoshi Yoshioka, Aya Fujishiro, Noriko Sugino, Hitomi Kaneko, Yoko Nakagawa, Hideyo Hirai, Akifumi Takaori-Kondo, Tatsuo Ichinohe, Taira Maekawa
Umbilical cord blood (UCB) has advantages over other tissues because it can be obtained without an invasive procedure and complex processing. We explored the availability of cryopreserved UCB cells as a source of mesenchymal stromal/stem cells (MSCs). MSCs were successfully isolated from six of 30 UCB units (median volume, 34.0 mL; median nucleated cell number, 4.4×10(8)) that were processed and cryopreserved using CP-1/human serum albumin. This isolation rate was lower than that (57%) from non-cryopreserved UCB cells...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28402774/changes-in-france-s-deferral-of-blood-donation-by-men-who-have-sex-with-men
#14
LETTER
Pierre Tiberghien, Josiane Pillonel, François Toujas, Benoit Vallet
To the Editor: Since the advent of AIDS, men who have sex with men (MSM) have often been permanently deferred from blood donation in France and elsewhere. Such a ban, which is more stringent than deferrals for other risk exposures, can be considered to be discriminatory and often is misunderstood...
April 13, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28401619/non-compliance-to-infectious-disease-deferral-criteria-among-hong-kong-s-blood-donors
#15
S S Lee, E K H Cheung, J N S Leung, C K Lee
BACKGROUND AND OBJECTIVES: Donor screening alone cannot eliminate the risk of transfusion-transmitted HIV infection. Donor deferral according to established criteria is a supplemental strategy, which has focused largely on men who have sex with men (MSM). A study was conducted to determine the compliance of non-MSM donors with such criteria and examine its implications on blood safety. MATERIALS AND METHODS: Chinese donors who have just donated blood at blood donor centres in Hong Kong were recruited...
April 11, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28394029/hepatitis-e-in-canadian-blood-donors
#16
Margaret A Fearon, Sheila F O'Brien, Gilles Delage, Vito Scalia, France Bernier, Mark Bigham, Steven Weger, Sneha Prabhu, Anton Andonov
BACKGROUND: Hepatitis E virus (HEV) is a virus of emerging importance to transfusion medicine as studies on blood donors and other populations demonstrate that the prevalence of endemic cases is higher than previously recognized and the risk to vulnerable transfusion recipients is not insignificant. STUDY DESIGN AND METHODS: We carried out an HEV prevalence study on 13,993 Canadian blood donors with polymerase chain reaction (PCR) testing on all donors and antibody testing on a subset of 4102 donors...
April 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28394024/a-brief-motivational-interview-promotes-internal-motivation-to-donate-blood-among-young-adults-with-and-without-a-prior-donation-history
#17
Irina E Livitz, Kristen R Fox, Lina K Himawan, Christopher R France
BACKGROUND: Recruitment and retention of first-time and repeat donors is essential to maintain a stable blood supply. Recent evidence has shown that promoting internal motivation may be an effective strategy to enhance donation behavior. We tested the efficacy of an in-person motivational interview at increasing internal motivation and intention to donate. STUDY DESIGN AND METHODS: A sample of 219 donors and nondonors (69.4% female; mean ± SD age, 19.2 ± 1...
April 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28389206/residual-risk-of-hiv-hcv-and-hbv-in-canada
#18
Sheila F O'Brien, Qi-Long Yi, Wenli Fan, Vito Scalia, Mindy Goldman, Margaret A Fearon
BACKGROUND: Residual risk is estimated as the product of the incidence and the infectious window period, the time during which a blood donation could be infectious but the assay may not detect it. In 2011 nucleic acid multiplex testing (MPX) was implemented in 6 unit minipools (previously 24 unit minipools). MPX also included hepatitis B (HBV) NAT for the first time (complementing HBsAg screening) in addition to HIV-1 and hepatitis C (HCV) as before. We aimed to estimate window period risk-day equivalents for MPX, and the residual risk of viral infections in blood donations updated to reflect current incidence and testing...
March 18, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28382765/factors-influencing-blood-donation-a-cross-sectional-survey-in-guangzhou-china
#19
J Ou-Yang, C-H Bei, B He, X Rong
OBJECTIVES: The present study aimed to determine major factors that influence blood donation in China. BACKGROUND: Factors affecting blood donation often vary in various populations. METHODS: This cross-sectional study used self-administered, standardised, structured questionnaires to survey selected donors and non-donors in Guangzhou, China between 10 December 2013 and 25 June 2014. RESULTS: Among the 1080 questionnaires collected, 1034 (95·7%) questionnaires were valid for this analysis, including 602 donors and 432 non-donors...
April 6, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28382706/negative-experiences-and-pre-donation-blood-pressure-the-role-of-attitude-and-anxiety
#20
M D Hoogerwerf, A van Dongen, R A Middelburg, E-M Merz, W L A M de Kort, M H W Frings-Dresen, J K Sluiter, I J T Veldhuizen
BACKGROUND/OBJECTIVES: Negative experiences (NEs) have been shown to result in an increased stress response, as indicated by blood pressure, at the subsequent donation. This response might be influenced by how the donor rates the donation in terms of importance and pleasantness [affective attitude (AA)/cognitive attitude (CA)] or by anxiety about donating blood. We investigated the effect of AA/CA/anxiety on the impact of NEs on pre-donation blood pressure (pd-BP) in the subsequent donation...
April 2017: Transfusion Medicine
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