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https://www.readbyqxmd.com/read/29443707/pulmonary-impairment-and-risk-assessment-in-a-diacetyl-exposed-population-microwave-popcorn-workers
#1
Robert M Park, Stephen J Gilbert, Christine Whittaker
OBJECTIVES: The butter flavoring additive, diacetyl (DA), can cause bronchiolitis obliterans (BO) by inhalation. A risk assessment was performed using data from a microwave popcorn manufacturing plant. METHODS: Current employees' medical history and pulmonary function tests together with air sampling over a 2.7 yr period were used to analyze FEV1 and FEV1/FVC. The exposure responses for declining pulmonary function and for possible early onset of BO were estimated using multiple regression methods...
February 13, 2018: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29438684/post-infectious-bronchiolitis-obliterans-in-children-is-general-quality-of-life-the-right-measure
#2
David Gozal
No abstract text is available yet for this article.
February 10, 2018: Jornal de Pediatria
https://www.readbyqxmd.com/read/29430425/clinical-outcomes-of-lung-transplantation-experience-at-asan-medical-center
#3
Yong Ho Jeong, Sehoon Choi, Seung-Il Park, Dong Kwan Kim
Background: Lung transplantation is a life-saving procedure in patients with end-stage lung disease, and is increasingly performed in Korea. Methods: We retrospectively evaluated the outcomes of patients who received a lung transplant at Asan Medical Center between January 2008 and December 2016. Thirteen of 54 patients experienced multiorgan transplantation; the remaining 41 who received only lung grafts were included. Results: The mean age of the lung transplant recipients was 44...
February 2018: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29421414/how-to-treat-a-patient-with-thromboangiitis-obliterans-a-systematic-review
#4
REVIEW
Bahare Fazeli, Maliheh Dadgar Moghadam, Shabnam Niroumand
To date, there is still no treatment protocol for patients with thromboangiitis obliterans (TAO) who are also afflicted with critical limb ischemia (CLI). Smoking cessation on its own cannot be considered a treatment for the purposes of salvaging a limb of a TAO patient with CLI. The aim of this review was to evaluate different studies of various treatment protocols for avoiding amputation in TAO patients. A systematic search for relevant studies dating from 1990 to the end of 2016 was performed on the PubMed, SCOPUS, and Science Direct databases...
February 5, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29417689/efficacy-of-high-dose-steroids-for-bronchiolitis-obliterans-syndrome-post-pediatric-hematopoietic-stem-cell-transplantation
#5
Ehud Even-Or, Hasan Ghandourah, Muhammad Ali, Joerg Krueger, Neil B Sweezey, Tal Schechter
BOS is the pulmonary manifestation of cGvHD post-allogeneic HSCT. Survival and treatment of this often fatal complication have not improved over the last 20 years and there is no clear standard of care. For the past 10 years, BOS was treated in our center with monthly cycles of HDPS. We reviewed the outcomes of patients with post-HSCT BOS who met the diagnostic criteria for BOS as per the NIH consensus and were treated with at least one cycle of methylprednisolone at a dose of 10-30 mg/kg/d×3 d. We collected demographic and clinical data, responses to treatment and results of pulmonary function tests at several time points...
February 7, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29406777/evaluating-for-bronchiolitis-obliterans-with-low-attenuation-ct-3d-reconstructions
#6
Deborah R Liptzin, Emily M DeBoer, Roger H Giller, Miranda E Kroehl, Jason P Weinman
No abstract text is available yet for this article.
February 6, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29403548/microrna-31-promotes-arterial-smooth-muscle-cell-proliferation-and-migration-by-targeting-mitofusin-2-in-arteriosclerosis-obliterans-of-the-lower-extremitie
#7
Shuichuan Huang, Zhibo Chen, Weibin Wu, Mian Wang, Rui Wang, Jin Cui, Wen Li, Shenming Wang
MicroRNA (miR)-31 serves a key role in various biological processes, including tumor development, angiogenesis and inflammation. Whether miR-31 is involved in the pathological processes of arteriosclerosis obliterans (ASO) remains to be elucidated, as does the mechanism of miR-31 regulation of arterial smooth muscle cells (ASMCs). In the present study, miR-31 expression was detected by reverse transcription-quantitative polymerase chain reaction and in situ hybridization, and was significantly upregulated in human ASO arterial walls compared with normal arterial walls (P<0...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29395853/bronchiolitis-obliterans-organizing-pneumonia-after-stereotactic-ablative-radiation-therapy-for-lung-cancer-a-case-report
#8
G Fanetti, F Bazzani, A Ferrari, D Alterio, S M Donghi, F A Pounou Kamga, R Orecchia, B A Jereczek-Fossa
Bronchiolitis obliterans organizing pneumonia is an interstitial lung disease rarely occurring after radiotherapy probably due to an activation of autoimmune processes. Most cases have been described after postoperative radiotherapy for breast cancer. Corticosteroids represent the main treatment, prognosis is generally favorable. We described a case of bronchiolitis obliterans organizing pneumonia after stereotactic ablative radiation therapy for a recurrent lung cancer. Antibiotics and steroids were administered to solve the clinical picture...
January 26, 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29395150/does-application-of-topical-steroids-for-lichen-sclerosus-balanitis-xerotica-obliterans-affect-the-rate-of-circumcision-a-systematic-review
#9
REVIEW
Semiu E Folaranmi, Harriet J Corbett, Paul D Losty
PURPOSE: To determine whether treatment of lichen sclerosus et atrophicus (LS), with topical steroids reduces the rate of circumcision. METHODS: Two independent reviewers performed a literature search of studies reporting treatment of LS with topical steroids using EMBASE and MEDLINE database(s). INCLUSION CRITERIA: boys aged 0-18 years, clinical diagnosis of LS, treatment with topical steroids. Literature reviews, studies of phimosis without LS and adult patients were excluded...
January 3, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29389687/tocilizumab-cannot-prevent-the-development-of-bronchiolitis-obliterans-in-patients-with-castleman-disease-associated-paraneoplastic-pemphigus
#10
Liyang Gu, Shuang Ye
No abstract text is available yet for this article.
February 1, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29386474/long-term-clinical-outcomes-survey-of-bone-marrow-derived-cell-therapy-in-critical-limb-ischemia-in-japan
#11
Kazuhisa Kondo, Kenji Yanishi, Ryo Hayashida, Satoshi Shintani, Rei Shibata, Kenta Murotani, Masahiko Ando, Masaaki Mizuno, Tadami Fujiwara, Toyoaki Murohara, Satoaki Matoba
BACKGROUND: The Therapeutic Angiogenesis by Cell Transplantation (TACT) trial demonstrated the efficacy and safety of autologous bone marrow-derived mononuclear cells (BM-MNCs) in patients with critical limb ischemia (CLI). The present study aimed to assess the long-term clinical outcomes of therapeutic angiogenesis using autologous BM-MNC implantation under advanced medical treatment in Japan.Methods and Results:The study was retrospective, observational, and non-controlled. We assessed no-option CLI patients who had BM-MNC implantation performed in 10 institutes...
January 30, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29360666/specific-donor-hla-dr-types-correlate-with-altered-susceptibility-to-development-of-chronic-lung-allograft-dysfunction
#12
Lynn D Haynes, Walker Julliard, Joshua Mezrich, Glen Leverson, Keith C Meyer, William J Burlingham
BACKGROUND: The greatest challenge to long-term graft survival is the development of chronic lung allograft dysfunction (CLAD). Th17 responses to collagen type V (colV) predispose lung transplant patients to the severe obstructive form of CLAD, known as bronchiolitis obliterans syndrome (BOS). In a previous study cohort (n=54), pre-transplant colV responses were increased in recipients expressing HLA-DR15, consistent with the high binding avidity of colV(α1) peptides for HLA-DR15, while BOS incidence, which was known to be strongly associated with post-transplant autoimmunity to colV, was higher in patients who themselves lacked HLA-DR15, but whose lung donor expressed it...
January 23, 2018: Transplantation
https://www.readbyqxmd.com/read/29352737/bronchiolitis-obliterans-syndrome-is-associated-with-increased-p-glycoprotein-expression-and-loss-of-glucocorticoid-receptor-from-steroid-resistant-pro-inflammatory-cd8-t-cells
#13
Greg Hodge, Sandra Hodge, Phan Tien Nguyen, Aeneas Yeo, Parama Sarkar, Arash Badiei, C L Holmes-Liew, Paul N Reynolds, Mark Holmes
Immunosuppressive therapy fails to suppress the production of pro-inflammatory cytokines, particularly by CD8+T cells, in stable lung transplant recipients and those undergoing chronic rejection, suggesting that some patients may become relatively resistant to immunosuppressants such as glucocorticoids (GC). We have shown loss of GC receptor (GCR) from the CD8+ cells, and we hypothesized that the drug membrane efflux pump, p-glycoprotein-1 (Pgp), may also be involved in lymphocyte steroid resistance following lung transplant...
January 20, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29339086/the-il-6-stat3-pathway-regulates-adhesion-molecules-and-cytoskeleton-of-endothelial-cells-in-thromboangiitis-obliterans
#14
Zheng Wei, Wenjing Jiang, Hengzhen Wang, Hali Li, Bo Tang, Bing Liu, Hongchi Jiang, Xueying Sun
Thromboangiitis obliterans (TAO) (also known as Buerger's disease) is an inflammatory vascular disease that predominantly affects small- and medium-sized blood vessels of extremities. Endothelial cells play critical roles in the initiation and progression of this disease, but the underlying mechanisms remain unclear. In the present study, we demonstrate that patients with TAO had significantly higher levels of interleukin-6 (IL-6), soluble intercellular adhesion molecule-1 (sICAM-1) and soluble vascular cell adhesion molecule-1 (sVCAM-1) in their plasmas, and the involved arterial tissues expressed higher levels of phosphorylated signal transducer and activator of transcription 3 (p-STAT3), ICAM-1 and VCAM-1...
January 12, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29322685/feasibility-safety-and-tolerance-of-mesenchymal-stem-cell-therapy-for-obstructive-chronic-lung-allograft-dysfunction
#15
Cesar Ariel Keller, Thomas Arthur Gonwa, David Orel Hodge, Derek Joseph Hei, John Michael Centanni, Abba Chedi Zubair
Feasibility, tolerance, and safety of intravenous infusions of allogeneic mesenchymal stem cell (MSC) therapy in lung transplant recipients with bronchiolitis obliterans syndrome (BOS) are not well established. MSCs were manufactured, cryopreserved, transported to our facility, thawed, and infused into nine recipients with moderate BOS (average drop in forced expiratory volume in 1 second was 56.8% ± 3.2% from post-transplant peak) who were refractory to standard therapy and not candidates for retransplant...
February 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29314868/bronchiolitis-obliterans-and-pulmonary-fibrosis-after-sulfur-mustard-inhalation-in-rats
#16
Matthew D McGraw, Marilyn M Dysart, Tara B Hendry-Hofer, Paul R Houin, Jacqueline S Rioux, Rhonda B Garlick, Joan E Loader, Russell Smith, Danielle C Paradiso, Wesley W Holmes, Dana R Anderson, Carl W White, Livia A Veress
RATIONALE: Inhalation of powerful chemical agents, such as sulfur mustard (SM), can have debilitating pulmonary consequences, such as bronchiolitis obliterans (BO) and parenchymal fibrosis (PF). The underlying pathogenesis of disorders after SM inhalation is not clearly understood, resulting in a paucity of effective therapies. OBJECTIVE: To evaluate the role of pro-fibrotic pathways involving TGF-β and PDGF in the development of BO and PF after inhalation injury sustained by SM, using a rat model...
January 9, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29312755/acute-rejection
#17
REVIEW
Mark Benzimra, Greg L Calligaro, Allan R Glanville
Despite induction immunosuppression and the use of aggressive maintenance immunosuppressive regimens, acute allograft rejection following lung transplantation is still a problem with important diagnostic and therapeutic challenges. As well as causing early graft loss and mortality, acute rejection also initiates the chronic alloimmune responses and airway-centred inflammation that predispose to bronchiolitis obliterans syndrome (BOS), also known as chronic lung allograft dysfunction (CLAD), which is a major source of morbidity and mortality after lung transplantation...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29275133/inert-gas-washout-in-bronchiolitis-obliterans-following-hematopoietic-cell-transplantation
#18
Sylvia Nyilas, Luzia Baumeler, Michael Tamm, Jörg P Halter, Spasenija Savic, Insa Korten, Anja Meyer, Florian Singer, Jakob R Passweg, Philipp Latzin, Daiana Stolz
BACKGROUND: Bronchiolitis obliterans (BO) syndrome is a leading cause of chronic graft-versus-host disease (cGvHD) and is associated with mortality after allogeneic hematopoietic stem cell transplantation (alloHCT). Nitrogen multiple breath washout test (N2-MBW) measures ventilation inhomogeneity, a biomarker of central and peripheral airways obstruction. The aim of the study was to examine ventilation inhomogeneity according to cGvHD score and histologically defined BO. METHODS: This single center prospective cross-sectional study included 225 adults (mean age 52...
December 21, 2017: Chest
https://www.readbyqxmd.com/read/29237360/endovascular-treatment-of-thromboangiitis-obliterans-buerger-s-disease
#19
Mohammad-Hadi S Modaghegh, Shahab Hafezi
PURPOSE: When critical limb ischemia (CLI) occurs in patients with thromboangiitis obliterans (TAO) or Buerger's disease, smoking cessation alone may be insufficient to relieve rest pain and promote wound healing. Accordingly, adjunctive measures are warranted to restore adequate blood flow required for limb salvage. This study aimed to evaluate the feasibility and efficacy of percutaneous transluminal angioplasty (PTA) for the treatment of patients with TAO and CLI. In addition, a review of the literature on endovascular management of TAO is included...
February 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29234536/role-of-urethral-plate-and-fossa-navicularis-biopsies-in-the-detection-of-balanitis-xerotica-obliterans-in-boys-undergoing-redo-hypospadias-repair
#20
Mohamed Sultan, Mohamed El-Shazly, Eid Elsherif, Sheren Younes, Mohamed Selim
Objectives: To evaluate the presence of balanitis xerotica obliterans (BXO), clinically and pathologically, in the urethra of boys with failed previous hypospadias repair and where surgical management was planned. Patients and methods: Between February 2010 and March 2015, boys with failed distal penile hypospadias repair who were planned for surgical management were evaluated for the presence of clinical and pathological evidence of BXO. Samples were obtained from the urethral plate and fossa navicularis, after obtaining informed consent and ethical approval...
December 2017: Arab Journal of Urology
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