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https://www.readbyqxmd.com/read/28186707/mesenchymal-stromal-cell-therapy-for-chronic-lung-allograft-dysfunction-results-of-a-first-in-man-study
#1
Daniel C Chambers, Debra Enever, Sharon Lawrence, Marian J Sturm, Richard Herrmann, Stephanie Yerkovich, Michael Musk, Peter M A Hopkins
Chronic lung transplant rejection (termed chronic lung allograft dysfunction [CLAD]) is the main impediment to long-term survival after lung transplantation. Bone marrow-derived mesenchymal stromal cells (MSCs) represent an attractive cell therapy in inflammatory diseases, including organ rejection, given their relative immune privilege and immunosuppressive and tolerogenic properties. Preclinical studies in models of obliterative bronchiolitis and human trials in graft versus host disease and renal transplantation suggest potential efficacy in CLAD...
February 1, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28144069/a-severe-mycoplasma-pneumoniae-pneumonia-inducing-an-acute-antibody-mediated-pulmonary-graft-rejection
#2
Sarah Démir, Julien Saison, Agathe Sénéchal, Jean-Francois Mornex
A 40-year-old cystic fibrosis woman with a history of double-lung transplantation 2 years previously was admitted for a progressive respiratory distress. Physical examination revealed fever (39°C) and diffuse bilateral lung crackles. Laboratory findings included severe hypoxemia and inflammatory syndrome. Bronchoalveolar lavage and serological test were positive for mycoplasma pneumonia. As the patient did not improve after 3 days of antibiotics and donor-specific HLA antibodies had been detected, an acute antibody-mediated graft rejection was treated with high-dose corticosteroids, plasma exchange, intravenous immunoglobulin, and rituximab...
January 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28138425/successful-treatment-of-pulmonary-injury-after-nitrogen-oxide-exposure-with-corticosteroid-therapy-a-case-report-and-review-of-the-literature
#3
Yasutoshi Kido, Akihisa Mitani, Hideaki Isago, Hideyuki Takeshima, Osamu Narumoto, Goh Tanaka, Yasuhiro Yamauchi, Daiya Takai, Nobuya Ohishi, Takahide Nagase
: Nitrogen oxides are representative chemicals of occupational and environmental exposure, which can lead to fatal pulmonary injury. These oxides are also known to cause delayed occurrence of bronchiolitis obliterans (BO). Herein, we report a case of nitrogen oxide-induced lung injury. A 50-year-old man developed pulmonary edema after nitric acid exposure. Hypoxemia and respiratory failure were immediately improved after introduction of corticosteroid pulse therapy with supplemental oxygen...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28138398/comparative-analysis-of-morphological-and-molecular-motifs-in-bronchiolitis-obliterans-and-alveolar-fibroelastosis-after-lung-and-stem-cell-transplantation
#4
Danny Jonigk, Berenice Rath, Paul Borchert, Peter Braubach, Lavinia Maegel, Nicole Izykowski, Gregor Warnecke, Wiebke Sommer, Hans Kreipe, Robert Blach, Adrian Anklamm, Axel Haverich, Matthias Eder, Michael Stadler, Tobias Welte, Jens Gottlieb, Mark Kuehnel, Florian Laenger
Chronic lung allograft dysfunction (CLAD) remains the major obstacle to long-term survival following lung transplantation (LuTx). Morphologically CLAD is defined by obliterative remodelling of the small airways (bronchiolitis obliterans, BO) as well as a more recently described collagenous obliteration of alveoli with elastosis summarised as alveolar fibroelastosis (AFE). Both patterns are not restricted to pulmonary allografts, but have also been reported following haematopoietic stem cell transplantation (HSCT) and radio chemotherapy (RC)...
January 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28131664/survival-and-outcomes-after-lung-transplantation-for-non-scleroderma-connective-tissue-related-interstitial-lung-disease
#5
Andrew M Courtwright, Souheil El-Chemaly, Paul F Dellaripa, Hilary J Goldberg
BACKGROUND: Patients with non-scleroderma connective tissue-related lung disease (NS-CTLD), including rheumatoid arthritis, idiopathic inflammatory myopathies, Sjögren syndrome, mixed connective tissue disease, and systemic lupus erythematosus, may be at risk for worse outcomes after lung transplantation because of immune dysregulation or extrapulmonary manifestations of their underlying disease. We compared survival, acute and chronic rejection, and extrapulmonary organ dysfunction after transplantation in patients with NS-CTLD and idiopathic pulmonary fibrosis (IPF)...
December 31, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28131494/immunomodulation-by-hyperimmunoglobulins-after-solid-organ-transplantation-beyond-prevention-of-viral-infection
#6
REVIEW
Rogier van Gent, Herold J Metselaar, Jaap Kwekkeboom
Hyperimmunoglobulins are pharmaceutical formulations of human IgG which contain high titers of antibodies against specific viruses. They have been successfully used in solid organ transplantation (SOT) to prevent Cytomegalovirus (CMV) and Hepatitis B Virus (HBV) infection. The introduction of effective and cheaper antiviral drugs has resulted in decreasing usage of hyperimmunoglobulins in SOT. However, it may still be attractive to combine antiviral drug therapy with hyperimmunoglobulins after SOT, as there is some evidence that hyperimmunoglobulins, similar to high doses of intravenous immunoglobulins (IVIgs), might exert anti-inflammatory activity and thereby prevent immunological graft damage and improve graft and patient survival...
January 19, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28124966/-a-case-of-bronchiolitis-obliterans-secondary-to-human-metapneumovirus-bronchiolitis
#7
Osman Yeşilbaş, Esra Şevketoğlu, Hasan Serdar Kıhtır, Mey Talip Petmezci, Elif Bato, Seda Balkaya, Nevin Hatipoğlu, Mert Ahmet Kuşkucu, Figen Palabıyık, Erkan Çakır
Human metapneumovirus (hMPV), formerly classified in Paramyxoviridae family is now moved into Pneumoviridae, which was described as a novel family. It causes upper and lower respiratory tract infections (LRTIs) usually in children younger than five years old. The recent epidemiological studies indicated that hMPV is the second most frequently detected virus in LRTIs of young children, following the respiratory syncytial virus (RSV). Bronchiolitis obliterans (BO) is a chronic obstructive lung disease characterized by fibrosis of the distal respiratory airways...
October 2016: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28116959/immunomodulatory-indications-of-azithromycin-in-respiratory-disease-a-concise-review-for-the-clinician
#8
Cassondra L Cramer, Allie Patterson, Abdulrazak Alchakaki, Ayman O Soubani
Azithromycin has a well-characterized bacteriostatic activity. However, it also has a robust immunomodulatory effect that has proven beneficial in a variety of chronic illnesses. This effect results in decreased production of pro-inflammatory cytokines in the acute phase and promotes resolution of chronic inflammation in the later phases. Specifically, azithromycin has direct activity on airway epithelial cells to maintain their function and reduce mucus secretion. These characteristics have resulted in the use of azithromycin in the management of a variety of chronic lung diseases including chronic obstructive pulmonary disease, cystic fibrosis (CF), non-CF bronchiectasis, bronchiolitis obliterans syndrome, diffuse panbronchiolitis, and asthma...
February 1, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28106480/radio-pathological-correlation-of-organising-pneumonia-op-a-pictorial-review
#9
Mohammad Zare Mehrjardi, Shahram Kahkouee, Mihan Pourabdollah
Since the description of cryptogenic organising pneumonia (COP) in 1983 by Davison et al. and the subsequent report on bronchiolitis obliterans organising pneumonia (BOOP) by Epler et al., some reports have been published regarding the imaging features of organising pneumonia (OP). In this pictorial review, we aim to describe different manifestations of OP on high-resolution computed tomography (HRCT) accompanied by their histopathological correlations for a better comprehension of the radiological findings pathomechanism...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28096986/extracorporeal-membrane-oxygenation-rescue-in-adolescent-with-bronchiolitis-obliterans-organizing-pneumonia-like-wegener-s-granulomatosis
#10
Lars Falk, Lars Mikael Broman
We report a 17-year-old woman with bronchiolitis obliterans-organizing pneumonia (BOOP)-like granulomatosis with polyangiitis developing severe airway obliterations. Pending age, phase and grade of autoimmune treatment, and offering ECMO treatment may be crucial for survival but occasionally preface futility. ECMO-treated patient with BOOP-like GPA has never been described before.
January 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28094112/extracorporeal-photopheresis-for-bronchiolitis-obliterans-syndrome-after-allogeneic-stem-cell-transplant-an-emerging-therapeutic-approach
#11
REVIEW
Claudia Del Fante, Cesare Perotti
Bronchiolitis obliterans syndrome (BOS) is the main manifestation of pulmonary GVHD. It has often a dramatic and fast evolution and current treatment (change or increase in immunosuppression, macrolides and inhaled therapy) is poor with high mortality rates. In this scenario, extracorporeal photopheresis (ECP) bursts as a new immunomodulatory approach with a different philosophical purpose. In fact, available data show that ECP treatment is intended to delay the inflammatory process and consequently respiratory lung function decline, rather than reverse the damage itself...
January 13, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28090432/update-on-chronic-lung-allograft-dysfunction
#12
Jason M Gauthier, Ramsey R Hachem, Daniel Kreisel
Chronic lung allograft dysfunction (CLAD) encompasses a range of pathologies that cause a transplanted lung to not achieve or maintain normal function. CLAD manifests as airflow restriction and/or obstruction and is predominantly a result of chronic rejection. Three distinct phenotypes of chronic rejection are now recognized: bronchiolitis obliterans, neutrophilic reversible allograft dysfunction, and restrictive allograft syndrome. Recent investigations have revealed that each phenotype has a unique pathology and histopathological findings, suggesting that treatment regimens should be tailored to the underlying etiology...
September 2016: Current Transplantation Reports
https://www.readbyqxmd.com/read/28088968/-para-neoplastic-autoimmune-multi-organ-syndrome-associated-with-follicular-lymphoma-a-case-report-and-literature-review
#13
D Chen, C Y Lin, X Han, B Chen, Z H Lu, X Y Chang, M H Duan
Objective: To broaden our knowledge of para-neoplastic autoimmune multi-organ syndrome (PAMS). Methods: A patient with PAMS associated with follicular lymphoma and bronchiolitis obliterans treated in our hospital was retrospectively analyzed and the clinical features of PAMS were reviewed. Results: A 49-year-old female patient suffered from painful ulcers in the oral cavity and vagina, dry cough and dyspnea. Imaging examinations suggested multiple lymph node enlargements. Inguinal lymph node biopsy revealed follicular lymphoma...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28052713/bronchiolitis-obliterans-syndrome-in-adults-after-allogeneic-stem-cell-transplantation-pathophysiology-diagnostics-and-treatment
#14
Ida Sofie Grønningsæter, Galina Tsykunova, Kyrre Lilleeng, Aymen Bushra Ahmed, Øystein Bruserud, Håkon Reikvam
Transplant-related complications are common after allogeneic hematopoietic stem cell transplantation (allo-HSCT), including graft versus host disease (GVHD). The lungs are frequently affected during the course of allo-HSCT, and among the non-infectious pulmonary complications bronchiolitis obliterans syndrome (BOS) is the most common and considered the only diagnostic manifestation of pulmonary GVHD. BOS is an irreversible obstructive disease that affects the terminal bronchioles, and it is associated with high morbidity and mortality rates...
January 4, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28017335/two-decades-of-lung-retransplantation-a-single-center-experience
#15
David J Hall, Erol V Belli, Jon A Gregg, Juan C Salgado, Maher A Baz, E Denmark Staples, Thomas M Beaver, Tiago N Machuca
BACKGROUND: Lung retransplantation (ReTx) comprises an increasing share of lung transplants and recently has shown improved outcomes. The aim of this study was to identify risk factors affecting overall survival after pulmonary ReTx. METHODS: The United Network for Organ Sharing database was used to identify patients undergoing lung transplantation at our institution from 1995 to 2014. Of the total 542 lung transplants performed, 87 (16.1%) were ReTxs. The primary outcome was overall survival...
December 22, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28013013/a-canine-model-of-chronic-graft-versus-host-disease
#16
Scott S Graves, Andrew Rezvani, George Sale, Diane Stone, Maura Parker, Steven Rosinski, Michele Spector, Bruce Swearingen, Leslie Kean, Rainer Storb
In long-term survivors of allogeneic hematopoietic cell transplantation (HCT), chronic graft-versus-host disease (GVHD) is the major cause of morbidity and mortality and a major determinant of quality of life. Chronic GVHD responds poorly to current immunosuppressive drugs, and while T cell depletion may be preventive, this gain is offset by increased relapse rates. A significant impediment to progress in treating chronic GVHD has been the limitations of existing animal models. The goal of this study was to develop a reproducible comprehensive model of chronic GVHD in the dog...
March 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28012497/giant-bulla-formation-in-the-lung-because-of-a-check-valve-mechanism
#17
Aya Hirata, Takeshi Saraya, Nobuaki Arai, Shin Karita, Riken Kawachi, Hidefumi Takei, Kosuke Ohkuma, Manabu Ishida, Masachika Fujiwara, Hajime Takizawa
The pathogenesis of bulla formation has not yet been demonstrated in pathologic examinations or through direct visualization during thoracotomy or thoracoscopic surgery. We present two cases of giant bulla formation after pneumothorax because of cryptogenic organizing pneumonia and lung abscess. The case findings suggested that the pathogenesis was attributable to a check-valve mechanism, secondary to bronchiolitis obliterans, or the presence of an obstructing air leakage due to a lung fistula. The lung fistula had been covered by inflammatory membranes consisting of blood and/or fibrous precipitates with detached visceral pleura...
January 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28012496/an-autopsy-case-of-bronchiolitis-obliterans-as-a-previously-unrecognized-adverse-event-of-afatinib-treatment
#18
Nobuhiro Kanaji, Yoichi Chiba Md PhD, Akira Sato Md PhD, Masaki Ueno Md PhD, Akira Tadokoro Md PhD, Nobuyuki Kita Md, Tomoya Ishii Md PhD, Naoki Watanabe Md, Norimitsu Kadowaki Md PhD, Shuji Bandoh Md PhD
Interstitial lung disease is a well-known pulmonary adverse event that occurs during epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) therapy and results in restrictive ventilatory dysfunction. However, obstructive changes such as those associated with bronchiolitis obliterans (BO) have never been reported as adverse events resulting from the use of any approved EGFR-TKI. This report documents an autopsy case of BO that developed during afatinib treatment for adenocarcinoma of the lung...
January 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28008661/rescue-alemtuzumab-for-refractory-acute-cellular-rejection-and-bronchiolitis-obliterans-syndrome-after-lung-transplantation
#19
Christopher R Ensor, Lindsey C Rihtarchik, Matthew R Morrell, J W Awori Hayanga, Alicia B Lichvar, Joseph M Pilewski, Stephen Wisniewski, Bruce A Johnson, Jonathan D'Cunha, Adriana Zeevi, John F McDyer
Refractory acute-cellular rejection (rACR) is associated with death and bronchiolitis obliterans syndrome (BOS) post-lung transplantation. We report the largest cohort of lung transplant recipients (LTR) treated with rescue alemtuzumab for rACR or BOS. RACR outcomes included burden of ACR 30-days before and 180-days after rescue assessed by a novel composite rejection standardized score (CRSS, range 0-6); freedom from ≥A2 ACR. BOS outcomes included freedom from BOS progression and FEV1 decline >10%. Univariate parametric and nonparametric statistical approaches were used to assess treatment response...
December 23, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/28008659/balf-cytokines-in-different-phenotypes-of-chronic-lung-allograft-dysfunction-in-lung-transplant-patients
#20
Cristina Berastegui, Susana Gómez-Ollés, Sara Sánchez-Vidaurre, Mario Culebras, Victor Monforte, Manuel López-Meseguer, Carlos Bravo, Maria-Antonia Ramon, Laura Romero, Joan Sole, Maria-Jesus Cruz, Antonio Román
The long-term success of lung transplantation (LT) is limited by chronic lung allograft dysfunction (CLAD). Different phenotypes of CLAD have been described, such as bronchiolitis obliterans syndrome (BOS) and restrictive allograft syndrome (RAS). The purpose of this study was to investigate the levels of cytokines and chemokines in bronchoalveolar lavage fluid (BALF) as markers of these CLAD phenotypes. BALF was collected from 51 recipients who underwent (bilateral and unilateral) LT. The study population was divided into three groups: stable (ST), BOS, and RAS...
December 23, 2016: Clinical Transplantation
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