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https://www.readbyqxmd.com/read/27914107/non-paraneoplastic-autoimmune-subepidermal-bullous-disease-associated-with-fatal-bronchiolitis-obliterans
#1
Mari Orime, Katsuhiro Tomiyama, Hideki Hashidate, Satoru Yoshida, Satoshi Hokari, Akiko Tsuda, Hisashi Yokoyama, Jun-Ichi Narita, Youhei Uchida, Takuro Kanekura, Riichiro Abe, Norito Ishii, Takashi Hashimoto, Kazuhiro Kawai
Bronchiolitis obliterans is a small-airway obstructive lung disease for which immunologically mediated pathogenesis is supposed. Frequent association of bronchiolitis obliterans with paraneoplastic pemphigus is well known, but its association with other autoimmune bullous diseases has not been reported except for a case of anti-laminin-332-type mucous membrane pemphigoid in a patient with chronic graft-versus-host disease. We report a case of non-paraneoplastic autoimmune subepidermal bullous disease associated with fatal bronchiolitis obliterans in a patient without transplantation...
December 3, 2016: Journal of Dermatology
https://www.readbyqxmd.com/read/27913141/acute-lung-injury-and-persistent-small-airway-disease-in-a-rabbit-model-of-chlorine-inhalation
#2
Sadiatu Musah, Connie F Schlueter, David M Humphrey, Karen S Powell, Andrew M Roberts, Gary W Hoyle
Chlorine is a pulmonary toxicant to which humans can be exposed through accidents or intentional releases. Acute effects of chlorine inhalation in humans and animal models have been well characterized, but less is known about persistent effects of acute, high-level chlorine exposures. In particular, animal models that reproduce the long-term effects suggested to occur in humans are lacking. Here, we report the development of a rabbit model in which both acute and persistent effects of chlorine inhalation can be assessed...
November 29, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27906831/bos-is-associated-with-increased-cytotoxic-pro-inflammatory-cd8-t-nkt-like-and-nk-cells-in-the-small-airways
#3
Greg Hodge, Sandra Hodge, Aeneas Yeo, Phan Nguyen, Emily Hopkins, Holmes-Liew Cl, Paul N Reynolds, Mark Holmes
BACKGROUND: Immunosuppression therapy following lung transplantation fails to prevent bronchiolitis obliterans syndrome (BOS) in many patients, primarily a disease of the small airways. We have reported that BOS is associated with a lack of suppression of cytotoxic mediators, and pro-inflammatory cytokines, in peripheral blood T, NKT-like (particularly CD8+) and NK cells. We also showed a loss of glucocorticoid receptor (GCR) in pro-inflammatory lymphocytes following transplant. It is unknown whether these pro-inflammatory lymphocytes target the small and/or large airways in BOS...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27903345/-application-of-low-dose-ct-angiography-with-70-kv-in-patients-with-peripheral-arterial-diseases
#4
Y H Duan, G M Lu, J Wu, X C Yang, D D Wu, Z P Cheng, X M Wang
Objective: To assess the image quality, radiation dose and diagnostic efficiency of peripheral arterial CT angiography (CTA) performed at tube voltage of 70 and 120 kV. Methods: Between January 2014 and December 2015, a total of 200 consecutive patients with known or suspected lower extremity arteriosclerosis obliterans (LEASO) underwent CTA.Patients were randomly divided into 2 groups by different scanning protocols.Group A (n=100): 70 kV and 0.8 ml/kg contrast agent, group B (n=100): 120 kV and 100 ml contrast agent...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27902617/efficacy-of-bosentan-in-patients-with-refractory-thromboangiitis-obliterans-buerger-disease-a-case-series-and-review-of-the-literature
#5
Javier Narváez, Carmen García-Gómez, Lorenzo Álvarez, Pilar Santo, María Aparicio, María Pascual, Mercè López de Recalde, Helena Borrell, Joan M Nolla
The cornerstone of therapy in thromboangiitis obliterans (TAO) is complete abstinence from tobacco. In addition to discontinuation of cigarette smoking, very few pharmacological and surgical options of controversial efficacy are available to date. New therapeutic options with greater efficacy are clearly needed to properly manage these patients.In this preliminary study, we assessed the effectiveness and safety of bosentan in a case series of 8 adults with TAO and severe ischemic ulceronecrotic lesions who were treated with bosentan after inadequate response to platelet inhibitors, vasodilators, and intravenous alprostadil...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27893614/the-presence-of-pretransplant-hla-antibodies-does-not-impact-the-development-of-chronic-lung-allograft-dysfunction-or-clad-related-death
#6
Oscar E Zazueta, Sara E Preston, Anna Moniodis, Sabrina Fried, Miae Kim, Keri Townsend, Isabelle Wood, Steve Boukedes, Indira Guleria, Phillip Camp, Souheil El-Chemaly, Ivan O Rosas, Anil Chandraker, Edgar Milford, Hilary J Goldberg
BACKGROUND: Development of Donor-specific Antibodies (DSA) after lung transplantation is associated with antibody mediated rejection (AMR), acute cellular rejection, and bronchiolitis obliterans syndrome (BOS); however, the significance of circulating antibodies before transplant remains unclear. METHODS: We performed a retrospective cohort study including recipients of primary lung transplants between 2008 and 2012.We assessed the impact of circulating human leukocyte (HLA) and noncytotoxic Donor Specific antibodies (DSA) detected before transplant on development of Chronic Lung Allograft Dysfunction (CLAD) or CLAD related death...
November 23, 2016: Transplantation
https://www.readbyqxmd.com/read/27888588/lps-responsive-beige-like-anchor-gene-mutation-associated-with-possible-bronchiolitis-obliterans-organizing-pneumonia-associated-with-hypogammaglobulinemia-and-normal-igm-phenotype-and-low-number-of-b-cells
#7
Sima Shokri, Mohammad Nabavi, Tatjana Hirschmugl, Asghar Aghamohammadi, Saba Arshi, Mohamad Hassan Bemanian, Morteza Fallahpour, Rasool Molatefi, Mahsa Rekabi, Narges Eslami, Javad Ahmadian, Kian Darabi, Gholam Reza Sedighi, Maryam Monajemzadeh, Mohammadreza Modaresi, Nima Parvaneh, Kaan Boztug, Nima Rezaei
LPS-Responsive Beige-like Anchor (LRBA) deficiency is a disease which has recently been described in a group of patients with common variable immunodeficiency (CVID) in association with autoimmunity and/or inflammatory bowel disease (IBD)-like phenotype. We here describe a 10-year-old boy who experienced recurrent infections, mainly in the respiratory system, associated with thrombocytopenia and anemia. Immunological workup showed low numbers of B cells and low IgG, but normal IgM levels. In spite of therapeutic doses of antibiotics, antivirals, and antifungal agents, in addition to immunoglobulin replacement therapy, he developed disseminated involvement of both lungs with peripheral nodules; transbronchial lung biopsy revealed possible bronchiolitis obliterans organizing pneumonia (BOOP)...
October 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/27866541/-influencing-factors-for-postoperative-survival-of-patients-with-stage-iii-silicosis-treated-by-lung-transplantation
#8
W J Mao, X W Nie, W Xia, M F Zheng, R Chen, Y J He, F Liu, S G Ye, R G Lu, J Y Chen
Objective: To investigate the clinical effect, postoperative complications, and causes of death in the treatment of stage III silicosis with lung transplantation and the influencing factors for survival. Methods: A retrospective analysis was performed for the clinical data of 32 patients with stage III silicosis who underwent lung transplantation in our hospital from September 2002 to September 2015. The survival, causes of death, and postoperative complications were analyzed. The Kaplan-Meier method was used to plot survival curves, the log-rank test was used to compare the influence of each factor on survival rates, and the multivariate Cox proportional hazards regression model was used to evaluate the influence of each factor on survival...
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27856461/how-i-treat-bronchiolitis-obliterans-syndrome-after-hematopoietic-stem-cell-transplantation
#9
Kirsten M Williams
In past years, a diagnosis of bronchiolitis obliterans syndrome (BOS) after allogeneic hematopoietic cell transplant (HCT) conferred nearly universal mortality secondary to lack of consensus for diagnostic criteria, poorly understood disease pathogenesis, and very few studies of therapeutic or supportive care interventions. Recently, however, progress has been made in these areas: revised consensus diagnostic guidelines are now available; supportive care has improved; there is greater understanding of potential mechanisms of disease and prospective trials are being conducted...
November 16, 2016: Blood
https://www.readbyqxmd.com/read/27832694/long-term-follow-up-of-sulfur-mustard-related-bronchiolitis-obliterans-treatment
#10
Hamidreza Abtahi, Soheil Peiman, Morteza Foroumandi, Enayat Safavi
Bronchiolitis obliterans (BO) is the most remarkable pulmonary sequels of war-related sulfur mustard inhalation. There is little if any data about long-term efficacy of associated BO treatment. Five years spirometric records of three groups of patients with obstructive pulmonary diseases (asthma, COPD, BO) and documented sulfur mustard inhalation were evaluated. The BO patients were treated with inhaled Seretide 125-250/25 (2 puffs BID), azithromycin (250 mg, three times/week) and N-acetylcysteine (1200-1800/day)...
September 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/27831809/spirometry-states-the-obvious-recognizing-bronchiolitis-obliterans-syndrome-early-after-hematopoietic-cell-transplantation
#11
Elizabeth A Belloli, Vibha N Lama
No abstract text is available yet for this article.
November 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27830023/over-expression-of-heat-shock-protein-70-protects-mice-against-lung-ischemia-reperfusion-injury-through-sirt1-ampk-enos-pathway
#12
Shumei Liu, Junping Xu, Chunfang Fang, Chunjing Shi, Xin Zhang, Bo Yu, Yantong Yin
Lung ischemia/reperfusion injury (LIRI) usually occurs during in lung transplantation and extracorporeal circulation operation and may develop into pulmonary infections, acute rejection and bronchiolitis obliterans syndrome. Recent studies have discovered the protective effect of heat shock protein 70 (HSP70) on various types of injuries. In the present study, we firstly explore the role of over-expressed HSP70 on the protection against LIRI. Lung Wet/Dry (W/D) ratio, biomarkers in the bronchoalveolar lavage fluid (BALF), lung histological changes and apoptosis markers, oxidative products and proinflammatory cytokines in the lung tissues were analyzed...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27821504/chronic-graft-versus-host-disease-biological-insights-from-pre-clinical-and-clinical-studies
#13
Kelli P A MacDonald, Geoffrey R Hill, Bruce R Blazar
With the increasingly use of mismatched, unrelated and G-CSF mobilized peripheral blood stem cell donor grafts and successful treatment of older recipients, chronic graft-versus-host disease (cGVHD) has emerged as the major cause of non-relapse mortality and morbidity. Chronic GVHD is characterized by lichenoid changes and fibrosis that affects a multitude of tissues, compromising organ function. Beyond steroids, effective treatment options are limited. Thus new strategies to both prevent and treat disease are urgently required...
November 7, 2016: Blood
https://www.readbyqxmd.com/read/27820781/inhibition-of-t-cell-alloreactivity-by-bronchial-epithelium-is-impaired-in-lung-transplant-recipients-through-pathways-involving-tgf-%C3%AE-il-10-and-hla-g
#14
C Dupin, E Lhuillier, S Létuvé, M Pretolani, G Thabut, H Mal, E D Carosella, C Schilte, P Mordant, V Bunel, C Danel, N Rouas-Freiss, O Brugière
BACKGROUND: Bronchiolitis obliterans syndrome (BOS) after lung transplantation (LTx) results from bronchial epithelial cell (BECs) damages, thought to be orchestrated by T cells primed by antigen-presenting cell (APC) presenting allo-antigens. In this cell cross-talk, BECs are also suspected to play a pivotal immunosuppressive role in T cell alloreactivity. We studied the immunomodulating role of BECs in a human ex-vivo model of allogeneic T cell response, both in healthy subjects and LTx recipients...
November 3, 2016: Transplantation
https://www.readbyqxmd.com/read/27795995/low-levels-of-exhaled-surfactant-protein-a-associated-with-bos-after-lung-transplantation
#15
Petrea A Ericson, Ekaterina Mirgorodskaya, Oscar S Hammar, Emilia A Viklund, Ann-Charlotte R Almstrand, Per J-W Larsson, Gerdt C Riise, Anna-Carin Olin
BACKGROUND: There is no clinically available marker for early detection or monitoring of chronic rejection in the form of bronchiolitis obliterans syndrome (BOS), the main long-term complication after lung transplantation. Sampling and analysis of particles in exhaled air is a valid, noninvasive method for monitoring surfactant protein A (SP-A) and albumin in the distal airways. METHODS: We asked whether differences in composition of exhaled particles can be detected when comparing stable lung transplant recipients (LTRs) (n = 26) with LTRs who develop BOS (n = 7)...
September 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27785045/buerger-s-disease-providing-integrated-care
#16
REVIEW
Peter Klein-Weigel, Theresa Sophie Volz, Leonora Zange, Jutta Richter
Buerger's disease, also known as thromboangiitis obliterans (TAO), is a segmental inflammatory disease affecting small- and medium-sized vessels, which is strongly associated with tobacco use. Although the etiology is still unknown, recent studies suggest an immunopathogenesis. Diagnosis is based on clinical and angiomorphologic criteria, including age, history of smoking, clinical presentation with distal extremity ischemia, and the absence of other risk factors for atherosclerosis, autoimmune disease, hypercoagulable states, or embolic disease...
2016: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/27779421/parametric-response-mapping-as-an-imaging-biomarker-in-lung-transplant-recipients
#17
Elizabeth A Belloli, Irina Degtiar, Xin Wang, Gregory A Yanik, Linda J Stuckey, Stijn E Verleden, Ella A Kazerooni, Brian D Ross, Susan Murray, Craig J Galbán, Vibha N Lama
RATIONALE: The predominant cause of chronic lung allograft failure is small airway obstruction arising from bronchiolitis obliterans. However, clinical methodologies for evaluating presence and degree of small airway disease are lacking. OBJECTIVES: To determine if Parametric Response Mapping (PRM), a novel computed tomography (CT) voxel-wise methodology, can offer insight into chronic allograft failure phenotypes and provide prognostic information following spirometric decline...
October 25, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27775307/-balanitis-xerotica-obliterans-underdiagnosed-pathology-of-clinical-relevance
#18
E Calleja Aguayo, A E Hernández Calvarro, C Marhuenda Irastorza
OBJECTIVES: Balanitis xerotica obliterans (BXO) is a chronic inflamatory disease, a genital form of Lichen Sclerosus in males. MATERIAL AND METHODS: This retrospective and descriptive analysis was carried out by rewiew of the medical records of boys who underwent circumcision from April 2013 to April 2014. The study group consisted of boys that were circumcised due it persistant phimosis at 4 years of age, urinary symptoms or painful erection. The histopathological examination was performed only in patients with clinical suspicion of BXO...
July 20, 2015: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27746246/two-stage-hypospadias-repair-with-a-free-graft-for-severe-primary-and-revision-hypospadias-a-single-surgeon-s-experience-with-long-term-follow-up
#19
K L M Pfistermüller, S Manoharan, D Desai, P M Cuckow
INTRODUCTION: Repair of severe primary and revision hypospadias is a demanding procedure. Debate continues as to whether a two-stage approach or single-stage technique is superior. The two-stage procedure with a free graft involves penile straightening followed by application of a graft for the neourethral plate at stage one; with tubularization at stage two after graft maturation. OBJECTIVE: To report the outcomes of a single surgeon's experience with the two-stage repair using a free graft for both severe primary and revision hypospadias with long-term follow-up...
September 29, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27745931/bronchiolitis-obliterans-following-hematopoietic-stem-cell-transplantation-importance-of-expiratory-computed-tomography
#20
Luis Gorospe Sarasúa, Deisy Barrios-Barreto, Isabel García Gómez-Muriel, Anabelle Chinea-Rodríguez
No abstract text is available yet for this article.
October 13, 2016: Archivos de Bronconeumología
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