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haematopoietic stem cell transplant

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https://www.readbyqxmd.com/read/29783023/extended-spectrum-beta-lactamase-producing-enterobacteriaceae-infections-in-haematopoietic-stem-cell-transplant-recipients-epidemiology-and-molecular-characterization
#1
Molka Kharrat, Yosra Chebbi, Farah Ben Tanfous, Amel Lakhal, Saloua Ladeb, Tarek Ben Othmen, Wafa Achour
BACKGROUND: Extended spectrum β-lactamase producing Enterobacteriaceae (ESBL-E) are feared because they generate therapeutic difficulties and have high potential for dissemination. The purpose of our study was to investigate the epidemiology of these infections in hematopoietic stem cell transplant (HSCT) recipients and to determine the genes encoding ESBL. MATERIAL/METHODS: Our retrospective study concerned adult patients hospitalized at the National Bone Marrow Transplant Center and infected with ESBL-E post HSCT between january 2006 and december 2016...
May 18, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29769208/infusion-of-alloanergized-donor-lymphocytes-after-cd34-selected-haploidentical-myeloablative-hematopoietic-stem-cell-transplantation
#2
Jeff K Davies, Lisa L Brennan, John Wingard, Christopher R Cogle, Neena Kapoor, Ami J Shah, Bimalangshu R Dey, Thomas R Spitzer, Marcos De Lima, Laurence Jn Cooper, Peter Thall, Richard E Champlin, Lee M Nadler, Eva C Guinan
PURPOSE: Allogeneic haematopoietic stem-cell transplantation (HSCT) is a curative treatment for many haematologic cancers. Use of haploidentical (mismatched) donors increases HSCT availability but is limited by severe graft-versus-host disease (GvHD) and delayed immune reconstitution. Alloanergization of donor T-cells is a simple approach to rebuild immunity whilst limiting GvHD after haploidentical HSCT but the optimal T-cell dose and impact on immune reconstitution remain unknown.  Experimental Design: We performed a multicentre Phase 1 trial of alloanergized donor lymphocyte infusion (aDLI) after CD34-selected myeloablative haploidentical HSCT...
May 16, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29767845/final-results-from-a-defibrotide-treatment-ind-study-for-patients-with-hepatic-veno-occlusive-disease-sinusoidal-obstruction-syndrome
#3
Nancy A Kernan, Stephan Grupp, Angela R Smith, Sally Arai, Brandon Triplett, Joseph H Antin, Leslie Lehmann, Tsiporah Shore, Vincent T Ho, Nancy Bunin, Massimo Iacobelli, Wei Liang, Robin Hume, William Tappe, Robert Soiffer, Paul Richardson
Hepatic veno-occlusive disease/sinusoidal obstruction syndrome (VOD/SOS) is a potentially life-threatening complication of haematopoietic stem cell transplant (HSCT) conditioning and chemotherapy. Defibrotide is approved for treatment of hepatic VOD/SOS with pulmonary or renal dysfunction [i.e., multi-organ dysfunction (MOD)] after HSCT in the United States and severe VOD/SOS after HSCT in patients aged older than 1 month in the European Union. Defibrotide was available as an investigational drug by an expanded-access treatment programme (T-IND; NCT00628498)...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29747867/-pyoderma-gangrenosum-following-hematopoietic-stem-cell-transplantation
#4
H Eddou, A Ennouhi, M Sina, A Zinebi, J El Benaye, M K Moudden, K Doghmi, J-V Malfuson, M Mikdame, M El Baaj
BACKGROUND: Pyoderma gangrenosum (PG) is a rare form of neutrophilic dermatosis and is a potential complication in a number of systemic diseases. These include blood diseases, which represent 3.5% of cases, with the main forms being monoclonal gammopathy and acute myeloid leukemia. PATIENTS AND METHODS: Herein we report a case of pyoderma gangrenosum in a female patient who had undergone haematopoietic stem cell allograft six months earlier as part of her treatment for acute T-cell leukemia...
May 7, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29746444/role-of-letermovir-for-prevention-of-cytomegalovirus-infection-after-allogeneic-haematopoietic-stem-cell-transplantation
#5
Raymund R Razonable
PURPOSE OF REVIEW: Cytomegalovirus (CMV) infection is a common opportunistic infection after allogeneic haematopoietic stem cell transplantation (HSCT). CMV surveillance-preemptive therapy is the current preferred approach for preventing CMV disease after HSCT. In contrast, antiviral prophylaxis is not commonly used due to myelosuppressive effects of valganciclovir. In this article, the role of the newly approved antiviral compound, letermovir, is reviewed. RECENT FINDINGS: Letermovir inhibits CMV by interfering viral terminase complex...
May 8, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29741774/management-of-post-transplant-lymphoproliferative-disorders
#6
REVIEW
Christin B DeStefano, Sanjal H Desai, Aarthi G Shenoy, Joseph P Catlett
The post-transplant lymphoproliferative disorders (PTLDs) are a heterogeneous group of neoplasms that are one of the most serious complications of bone marrow and solid organ transplants. Because these disorders are rare, there are no randomized trials from which to derive optimal treatment. Management can be challenging and must balance the goal of PTLD eradication with the risks of graft rejection, graft-versus-host disease, further delays in immune reconstitution and life-threatening infections, among others...
May 9, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29735826/cytomegalovirus-reactivation-and-disease-amongst-patients-with-allogeneic-haematopoietic-stem-cell-transplantation-in-eastern-india-epidemiology-outcome-and-healthcare-cost
#7
Meet Kumar, Mita Roychowdhury, Jeevan Kumar, Anusha Harishankar, Subir Sinha, Saurabh Jayant Bhave, Anupam Chakrapani, Vivek Radhakrishnan, Reena Nair, Sanjay Bhattacharya, Mammen Chandy
Purpose: Data from developing countries about incidence, prognosis and healthcare cost of cytomegalovirus (CMV) reactivation amongst patients with allogeneic hematopoietic stem cell transplantation (AHSCT) remain scarce. The purpose of the study was to describe the epidemiology, outcome and cost implications of CMV reactivation and CMV disease amongst patients with AHSCT in cancer hospital in Eastern India. Materials and Methods: The study design was a retrospective audit of clinical records...
January 2018: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29724903/natural-history-of-gata2-deficiency-in-a-survey-of-79-french-and-belgian-patients
#8
Jean Donadieu, Marie Lamant, Claire Fieschi, Flore Sicre de Fontbrune, Aurélie Caye, Marie Ouachee, Blandine Beaupain, Jacinta Bustamante, Hélène A Poirel, Bertrand Isidor, Eric Van Den Neste, Antoine Neel, Stanislas Nimubona, Fabienne Toutain, Vincent Barlogis, Nicolas Schleinitz, Thierry Leblanc, Pierre Rohrlich, Felipe Suarez, Dana Ranta, Wahid Abou Chahla, Bénédicte Bruno, Louis Terriou, Sylvie Francois, Bruno Lioure, Guido Ahle, Françoise Bachelerie, Claude Preudhomme, Eric Delabesse, Hélène Cavé, Christine Bellanné-Chantelot, Marlène Pasquet
Heterozygous germline GATA2 mutations strongly predispose to leukaemia, immunodeficiency, and/or lymphoedema. We now describe a series of 79 patients (53 families) diagnosed since 2011, compiling all patients in France and Belgium, with a follow up of 2249 patients/years. Median age at first clinical symptoms was 18.6 years (range, 0-61 years). Severe infectious diseases (mycobacteria, fungus, and human papilloma virus) and haematological malignancies were the most common first manifestations. The probability of remaining symptom-free was 8% at 40 years old...
May 3, 2018: Haematologica
https://www.readbyqxmd.com/read/29724268/validation-of-a-plasma-metabolomics-model-that-allows-anticipation-of-the-occurrence-of-cytomegalovirus-dnaaemia-in-allogeneic-stem-cell-transplant-recipients
#9
Daniel Monleón, Alberto Talaya, Estela Giménez, Víctor Vinuesa, José Manuel Morales, Juan Carlos Hernández-Boluda, Ariadna Pérez, José Luis Piñana, Carlos Solano, David Navarro
A plasma metabolomic model obtained by means of untargeted 1 H nuclear magnetic resonance, to which taurine, choline, methylamine, total glutathione, trimethylamine N-oxide, lactate, lysine, isoleucine, total fatty acids and unsaturated fatty acids contributed, was validated for the prediction of first episodes of cytomegalovirus (CMV) DNAaemia in a cohort of 79 allogeneic stem haematopoietic stem cell transplant (allo-HSCT) recipients. The predictive success rate was nearly 65 % for patients at both low and high risk of CMV-related complications according to their baseline characteristics...
May 4, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29705247/transfer-of-gene-corrected-t-cells-corrects-humoral-and-cytotoxic-defects-in-x-linked-lymphoproliferative-disease-xlp1
#10
Neelam Panchal, Ben Houghton, Begona Diez, Sujal Ghosh, Ida Ricciardelli, Adrian J Thrasher, H Bobby Gaspar, Claire Booth
BACKGROUND: XLP1 arises from mutations in the SH2D1A gene encoding SAP, an adaptor protein expressed in T, NK and NKT cells. Defects lead to abnormalities of T and NK cell cytotoxicity and T cell dependent humoral function. Clinical manifestations include haemophagocytic lymphohistiocytosis (HLH), lymphoma and dysgammaglobulinaemia. Curative treatment is limited to haematopoietic stem cell transplant with outcome reliant on a good donor match. OBJECTIVES: As most symptoms arise from defective T cell function, we investigated whether transfer of SAP gene corrected T cells could reconstitute known effector cell defects...
April 26, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29700172/the-early-expansion-of-anergic-nkg2apos-cd56dim-cd16neg-natural-killer-cells-represents-a-therapeutic-target-in-haploidentical-haematopoietic-stem-cell-transplantation
#11
Alessandra Roberto, Clara Di Vito, Elisa Zaghi, Emilia Maria Cristina Mazza, Arianna Capucetti, Michela Calvi, Paolo Tentorio, Veronica Zanon, Barbara Sarina, Jacopo Mariotti, Stefania Bramanti, Elena Tenedini, Enrico Tagliafico, Silvio Bicciato, Armando Santoro, Mario Roederer, Emanuela Marcenaro, Luca Castagna, Enrico Lugli, Domenico Mavilio
Natural Killer cells are the first lymphocyte population to reconstitute early after non myelo-ablative and T cell-replete haploidentical hematopoietic stem cell transplantation with post-transplant infusion of cyclophosphamide. The present study characterizes the transient and predominant expansion starting from the 2nd week after haploidentical hematopoietic stem cell transplantation of a donor-derived unconventional subset of NKp46neg-low/CD56dim/CD16neg natural killer cells expressing remarkable high levels of CD94/NKG2A...
April 26, 2018: Haematologica
https://www.readbyqxmd.com/read/29697486/ets-transcription-factor-etv2-er71-etsrp-in-haematopoietic-regeneration
#12
Kyunghee Choi
PURPOSE OF REVIEW: Recent studies have established that haematopoietic stem cells (HSCs) remain quiescent in homeostatic conditions, and minimally contribute to haematopoietic homeostasis. However, they undergo extensive cell cycle and expansion upon bone marrow transplantation or haematopoietic injury to reestablish the haematopoietic system. Molecular basis for the HSC activation and expansion is not completely understood. Here, we review the recent study elucidating the role of the developmentally critical Ets transcription factor Etv2 in reestablishing haematopoietic system upon injury through promoting HSC regeneration...
April 24, 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29693696/aggressive-rare-t-cell-lymphomas-with-manifestation-in-the-skin-a-monocentric-cross-sectional-case-study
#13
Marie-Charlotte Brüggen, Katrin Kerl, Eugenia Haralambieva, Urs Schanz, Yun-Tsan Chang, Desislava Ignatova, Reinhard Dummer, Antonio Cozzio, Wolfram Hoetzenecker, Lars E French, Emmanuella Guenova
Rare T- or NK-cell lymphomas with cutaneous manifestation may display a highly aggressive clinical course and major diagnostic/therapeutic challenges. This report describes our experiences with different lymphomas of this rare category and the therapeutic options used. This retrospective, descriptive, monocentric, cross-sectional case study, identified 4 rare aggressive T-/NK-cell lymphomas with manifestation in the skin, which were diagnosed in a tertiary care centre over a period of 4 years. Two patients had an Epstein-Barr virus-associated extranodal NK/T-cell lymphoma and 2 patients had a primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma...
April 24, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29693301/what-haematopoietic-stem-cell-transplant-patients-think-about-health-and-oral-care-a-qualitative-study-in-a-brazilian-health-service
#14
S R Mendes, M E S Silva, J O A Firmo, M H N G de Abreu
Differences in the perceptions of treatment between healthcare team and patients should be identified, aiming to provide a more humanised health care. We sought to understand and evaluate the concepts regarding oral health and dental care among haematopoietic stem cell transplant patients. Individual semi-structured interviews were conducted with patients, from both sexes, in the post-haematopoietic stem cell transplant stage, who underwent dental treatment. All interviews were recorded and transcribed, respecting the spelling and syntax used by the interviewees...
April 25, 2018: European Journal of Cancer Care
https://www.readbyqxmd.com/read/29692658/atypical-chronic-myeloid-leukaemia-a-rare-subtype-of-myelodysplastic-myeloproliferative-neoplasm
#15
REVIEW
Joanna E Drozd-Sokołowska, Anna Waszczuk-Gajda, Krzysztof Mądry, Jadwiga Dwilewicz-Trojaczek
Atypical chronic myeloid leukaemia (aCML) belongs to the group of myelodysplastic/myeloproliferative neoplasms. Changing diagnostic criteria and the rarity of the disease, with incidence approximately 100-times lower than the incidence of BCR-ABL1 -positive chronic myeloid leukaemia, result in limited knowledge on aCML. At present the diagnosis is made based on the presence of granulocytic lineage dysplasia and precisely defined quantitative peripheral blood criteria, after exclusion of other molecularly defined myeloid neoplasms...
2018: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/29690908/adenosine-deaminase-deficiency-a-review
#16
REVIEW
Aisling M Flinn, Andrew R Gennery
Adenosine deaminase (ADA) deficiency leads to an accumulation of toxic purine degradation by-products, most potently affecting lymphocytes, leading to adenosine deaminase-deficient severe combined immunodeficiency. Whilst most notable affects are on lymphocytes, other manifestations include skeletal abnormalities, neurodevelopmental affects and pulmonary manifestations associated with pulmonary-alveolar proteinosis. Affected patients present in early infancy, usually with persistent infection, or with pulmonary insufficiency...
April 24, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29688570/diffuse-large-b-cell-lymphoma-chemotherapy-reveals-a-combined-immunodeficiency-syndrome-in-cartilage-hair-hypoplasia
#17
Alexandre Nguyen, Nicolas Martin Silva, Hubert de Boysson, Gandhi Damaj, Achille Aouba
Cartilage hair hypoplasia (CHH) is a rare autosomal recessive ribosomopathy characterised by skeletal and integumentary system manifestations. It may also present with varied forms and intensities of haematopoietic and/or immune disorders. We report a 27-year-old female who presented a picture of combined immunodeficiency after receiving an adriamycin-based chemotherapy regimen followed by autologous stem cell transplantation. Her medical history indicated neonatal dwarfism, recurrent ear, nose and throat and respiratory infections, and hypogammaglobulinaemia, which were suggestive of a primary minor B-cell immune deficiency...
April 24, 2018: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29683519/children-with-mucopolysaccharidosis-risk-progressive-visual-dysfunction-despite-haematopoietic-stem-cell-transplants
#18
Kristina Teär Fahnehjelm, Monica Olsson, Enping Chen, Jürg Hengstler, Karin Naess, Jacek Winiarski
AIM: This prospective study assessed the long-term ocular and visual outcomes of children with mucopolysaccharidoses type I Hurler syndrome (MPS IH) who were treated with haematopoietic stem cell transplants (HSCT). METHODS: Clinical ophthalmological assessments were performed on eight patients at the St Erik Eye Hospital, Stockholm, Sweden, from 2001-2018: The median age at diagnosis and HSCT were 12.2 (range 5.0-16.4) and 16.7 (8.0-20.4) months. The last eye examination was at a median of 13...
April 23, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29682257/therapeutic-efficiency-of-platelet-gel-for-the-treatment-of-oral-ulcers-related-to-chronic-graft-versus-host-disease-after-allogeneic-haematopoietic-stem-cell-transplantation
#19
A Picardi, A S Ferraro, M Miranda, F Meconi, A Lanti, G Adorno, W Arcese, P Bollero
Background: Platelet (PLT) gel has been successfully used in tissue regeneration of diabetic and surgical wounds through the releasing of growth factors such as basic fibroblast and PLT-derived growth factors. Based on this background, our previous clinical trial have assessed the feasibility and efficacy of PLT gel for the treatment of muco-cutaneous lesions related to graft versus host disease (GvHD) after allogeneic haematopoietic stem cell transplantion (HSCT). The promising results reported in a small series of 6 patients, of whom 1 with oral ulcers, represent the rationale of the present study...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682256/identification-of-oral-risk-factors-for-chronic-graft-versus-host-disease-in-haematological-patients-who-underwent-allogeneic-haematopoietic-stem-cell-transplantation
#20
A Picardi, M Miranda, F Liciani, G Paterno, W Arcese, P Bollero
Objective: The aim of this prospective observational study was to identify local risk factors for the development of clinical manifestations of oral chronic Graft versus Host Disease (cGvHD) in a cohort of patients affected by haematological malignant diseases who underwent allogeneic haematopoietic stem cell transplantation (HSCT). Materials and methods: In the context of an active collaboration between the Rome Transplant Network of the Hematology and the Oral Pathology Division at "Policlinico Tor Vergata", in Rome, 47 haematological patients were included in this trial based on a systematic dental screening and follow-up protocol...
October 2017: Oral & Implantology
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