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https://www.readbyqxmd.com/read/28821630/il-17a-deficiency-mitigates-bleomycin-induced-complement-activation-during-lung-fibrosis
#1
Ellyse Cipolla, Amanda J Fisher, Hongmei Gu, Elizabeth A Mickler, Manisha Agarwal, Carol A Wilke, Kevin K Kim, Bethany B Moore, Ragini Vittal
Interleukin 17A (IL-17A) and complement (C') activation have each been implicated in the pathogenesis of idiopathic pulmonary fibrosis (IPF). We have reported that IL-17A induces epithelial injury via TGF-β in murine bronchiolitis obliterans; that TGF-β and the C' cascade present signaling interactions in mediating epithelial injury; and that the blockade of C' receptors mitigates lung fibrosis. In the present study, we investigated the role of IL-17A in regulating C' in lung fibrosis. Microarray analyses of mRNA isolated from primary normal human small airway epithelial cells indicated that IL-17A (100 ng/ml; 24 h; n = 5 donor lungs) induces C' components (C' factor B, C3, and GPCR kinase isoform 5), cytokines (IL8, -6, and -1B), and cytokine ligands (CXCL1, -2, -3, -5, -6, and -16)...
August 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28814783/mycoplasma-pneumoniae-associated-bronchiolitis-obliterans-following-acute-bronchiolitis
#2
Chengsong Zhao, Jinrong Liu, Haiming Yang, Li Xiang, Shunying Zhao
The characteristics of Mycoplasma pneumonia (M. pneumoniae)-associated bronchiolitis obliterans (BO) are not well known. We retrospectively reviewed 17 patients with M. pneumoniae-associated BO. All patients had M. pneumoniae-associated acute bronchiolitis prior to the development of BO. In the acute bronchiolitis stage, all patients had fever and cough; six patients also had wheezing and dyspnoea. BO was diagnosed approximately 1.5-8 months later based on clinical manifestations and chest high-resolution computed tomography (HRCT) findings...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28791608/achievement-of-the-longest-survival-of-paraneoplastic-pemphigus-with-bronchiolitis-obliterans-associated-with-follicular-lymphoma-using-r-chop-chemotherapy
#3
Shin Lee, Takahiro Yamauchi, Norito Ishii, Takashi Hashimoto, Keiichi Kinoshita, Shin Imamura, Kenichi Kamiya
Paraneoplastic pemphigus (PNP) is a rare, fatal, paraneoplastic autoimmune mucocutaneous blistering disease, commonly associated with lymphoproliferative disorders, including malignant lymphomas. Lymphoproliferative disorders associated with PNP are sometimes associated with a serious lung complication, bronchiolitis obliterans (BO). Due to its rarity, guidelines for the management of PNP have not been established. Furthermore, most patients die within 1 year. Here we report the successful treatment of lymphoma-associated PNP and BO using R-CHOP chemotherapy...
August 8, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28776069/porcine-arteriogenesis-based-on-vasa-vasorum-in-a-novel-semi-acute-occlusion-model-using-high-resolution-imaging
#4
Jonathan M Harnoss, Florian Krackhardt, Zully Ritter, Susanne Granzow, Dieter Felsenberg, Konrad Neumann, Lilach O Lerman, Fabian Riediger, Philipp Hillmeister, Peter Bramlage, Ivo R Buschmann
Bridging collaterals (BC) develop in several chronic total artery occlusion diseases, and can prevent extensive myocardial necrosis. Yet, their origin, growth process, and histo-morphology are still unclear. Since vasa vasorum (VV) may take part in collateralization, we hypothesized that VV are the basis for BCs. To comprehensively investigate this arteriogenesis process, we used high-resolution imaging, including corrosion casts, post-mortem angiography with stereoscopy, micro-CT, and immunohistology, in combination with a novel semi-acute vessel occlusion model...
August 3, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28770204/development-of-a-multivariate-prediction-model-for-early-onset-bronchiolitis-obliterans-syndrome-and-restrictive-allograft-syndrome-in-lung-transplantation
#5
Angela Koutsokera, Pierre J Royer, Jean P Antonietti, Andreas Fritz, Christian Benden, John D Aubert, Adrien Tissot, Karine Botturi, Antoine Roux, Martine L Reynaud-Gaubert, Romain Kessler, Claire Dromer, Sacha Mussot, Hervé Mal, Jean-François Mornex, Romain Guillemain, Christiane Knoop, Marcel Dahan, Paola M Soccal, Johanna Claustre, Edouard Sage, Carine Gomez, Antoine Magnan, Christophe Pison, Laurent P Nicod
BACKGROUND: Chronic lung allograft dysfunction and its main phenotypes, bronchiolitis obliterans syndrome (BOS) and restrictive allograft syndrome (RAS), are major causes of mortality after lung transplantation (LT). RAS and early-onset BOS, developing within 3 years after LT, are associated with particularly inferior clinical outcomes. Prediction models for early-onset BOS and RAS have not been previously described. METHODS: LT recipients of the French and Swiss transplant cohorts were eligible for inclusion in the SysCLAD cohort if they were alive with at least 2 years of follow-up but less than 3 years, or if they died or were retransplanted at any time less than 3 years...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28768953/effects-of-tramadol-coadministration-on-prothrombin-time-international-normalized-ratio-in-patients-receiving-warfarin
#6
Tomomi Hosono, Aiko Kondo, Yasuyuki Kambayashi, Masato Homma
 Several case studies have reported a possible drug interaction between warfarin and tramadol where tramadol coadministration enhanced the antithrombotic effects of warfarin. To assess this drug interaction, changes in prothrombin time-international normalized ratio (PT-INR) before and after tramadol coadministration were investigated in patients receiving warfarin. For this study, we examined 54 patients (male/female: 22/32, 68.4±12.7 years) who were being treated with warfarin for deep vein thrombosis, atrial fibrillation, arteriosclerosis obliterans, congestive heart failure, and other vascular diseases...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28767168/the-possibility-of-free-tissue-transfer-as-a-nutrient-flap-for-critical-ischemic-foot-a-case-report
#7
Kentaro Tanaka, Kimihiro Igari, Mitsuhiro Kishino, Satoshi Usami, Tsutomu Homma, Takahiro Toyofuku, Yoshinori Inoue, Mutsumi Okazaki
Microsurgical procedure of free tissue transfer in critical limb ischemia patients with large ulceration has already been established. The nutrient flap concept was that transferred tissue functioned not only to cover the skin defect but also as a supplementary blood supply to the ischemic lower leg. This report showed the justification for this concept, which was rarely discussed. A 58-year-old male patient with progressive forefoot gangrene caused by arteriosclerosis obliterans was presented. The distal bypass procedure was performed as revascularization surgery, and a latissimus dorsi (LD) myocutaneous flap was transplanted to cover ulceration...
August 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/28765183/a-case-of-bronchiolitis-obliterans-organising-pneumonia-associated-with-sapho-synovitis-acne-pustulosis-hyperostosis-osteitis-syndrome
#8
Fawad Hameed, Henry Steer
A 57-year-old woman with SAPHO (synovitis-acne-pustulosis-hyperostosis-osteitis) syndrome presented with recurrent episodes of pneumonia. She was treated with multiple courses of antibiotics with no success. The transbronchial biopsy undertaken via bronchoscopy revealed organising pneumonia (OP). She was treated with steroids and responded well with full clinical recovery and normalisation of her chest X-ray.To our knowledge, this is the first reported case of OP in association with SAPHO syndrome. This case report highlights the importance of considering OP in patients with SAPHO syndrome who present with chest infection...
August 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28763349/late-respiratory-effects-of-cancer-treatment
#9
Clare Harris, Clare R Sander
PURPOSE OF REVIEW: The aim of this article is to examine significant advances in our understanding of the late respiratory effects of cancer treatment, including surgery, radiotherapy, chemotherapy, biological therapies and haematopoietic stem cell transplant, and to provide a framework for assessing such patients. RECENT FINDINGS: Oncology therapies have advanced considerably over recent years but pulmonary toxicity remains a concern. Advances have been made in our understanding of the risk factors, including genetic ones that lead to toxicity from radiotherapy and chemotherapy and risk stratification models are being developed to aid treatment planning...
September 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28759424/treatment-of-thromboangiitis-obliterans-using-smoking-cessation-and-far-infrared-therapy-a-case-study
#10
I-Han Chiang, Shyi-Gen Chen, Yuan-Sheng Tzeng
Thromboangiitis obliterans (Buerger's disease) is a rare, nonatherosclerotic segmental inflammatory vasculitis that commonly involves small- and medium-sized vessels. Ischemic tenderness impairs patient quality of life and places patients at high risk for amputation. The only definitive known treatment is smoking cessation. Far-infrared (FIR) therapy has shown promising effects on blood flow and healing, but its use in patients with Buerger's disease has not been reported. A 31-year-old man with a 15-pack-year history of smoking, no drug abuse, and no other significant medical history, trauma, or family history diagnosed with thromboangiitis obliterans presented for care at the authors' clinic...
July 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28756121/distal-airway-microbiome-is-associated-with-immunoregulatory-myeloid-cell-responses-in-lung-transplant-recipients
#11
Nirmal S Sharma, Keith M Wille, S Athira, Degui Zhi, Kenneth P Hough, Enrique Diaz-Guzman, Kui Zhang, Ranjit Kumar, Sunad Rangarajan, Peter Eipers, Yong Wang, Ritesh K Srivastava, Jose Vicente Rodriguez Dager, Mohammad Athar, Casey Morrow, Charles W Hoopes, David D Chaplin, Victor J Thannickal, Jessy S Deshane
BACKGROUND: Long-term survival of lung transplant recipients (LTRs) is limited by the occurrence of bronchiolitis obliterans syndrome (BOS). Recent evidence suggests a role for microbiome alterations in the occurrence of BOS, although the precise mechanisms are unclear. In this study we evaluated the relationship between the airway microbiome and distinct subsets of immunoregulatory myeloid-derived suppressor cells (MDSCs) in LTRs. METHODS: Bronchoalveolar lavage (BAL) and simultaneous oral wash and nasal swab samples were collected from adult LTRs...
July 15, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28755966/characteristics-of-idiopathic-urethral-strictures-a-link-to-remote-perineal-trauma
#12
Boyd R Viers, Travis J Pagliara, Charles A Rew, Lauren Folgosa Cooley, Christine Y Shiang, Jeremy M Scott, Allen F Morey
OBJECTIVE: To characterize the physical features and reconstructive outcomes of a series of idiopathic urethral stricture (IUS) cases in an effort to elucidate the nature of this common, yet poorly understood entity. METHODS: We retrospectively reviewed our urethroplasty database to identify men undergoing initial urethral reconstruction from 2007-2014 at one of three hospitals (N=514). Patients were stratified by stricture etiology including IUS, acute trauma, iatrogenic, hypospadias, balanitis xerotica obliterans, and radiation...
July 26, 2017: Urology
https://www.readbyqxmd.com/read/28753096/conservative-treatment-of-patients-with-thromboangiitis-obliterans-or-cannabis-associated-arteritis-presenting-with-critical-lower-limb-ischaemia
#13
George Galyfos, Stavros Kerasidis, Georgios Kastrisios, Sotirios Giannakakis, Ioannis Sachmpazidis, Christiana Anastasiadou, Georgios Geropapas, Anastasios Papapetrou, Gerasimos Papacharalampous, Chrisostomos Maltezos
BACKGROUND: Proper management of patients with thromboangiitis obliterans (TAO) or cannabis-associated arteritis (CAA), presenting with critical lower limb ischaemia (CLI) remains controversial, and data are limited. PATIENTS AND METHODS: Patients with TAO or CAA presenting with CLI between 2011 and 2016 were retrospectively evaluated. Patients requiring primary intervention were excluded. Conservative treatment included: (a) weight-adjusted bemiparin plus six hours/day intravenous iloprost for 28 days, (b) aspirin (100 mg/day) plus cilostazol (100 mg twice/day) after discharge, and (c) strict recommendations/monitoring for smoking cessation...
July 28, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28752350/lung-transplantation-for-bronchiolitis-obliterans-syndrome-after-allogenic-hematopoietic-stem-cell-transplantation
#14
Fei Gao, Jingyu Chen, Dong Wei, Bo Wu, Min Zhou
Bronchiolitis obliterans syndrome (BOS) after hematopoietic stem cell transplantation (HSCT) is a major cause of morbidity and mortality with limited treatment options. Lung transplantation (LTX) has been rarely reported as a treatment option for selected HSCT recipients with this problem. In the present study, we reported six patients who underwent LTX due to BOS after HSCT (two females, four males) from January 2012 to December 2014 in our center. The median time from HSCT to diagnosis of BOS was 2.5 years (ranging from 1 to 5 years)...
July 28, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28743226/endovascular-therapy-outcomes-and-intravascular-ultrasound-findings-in-thromboangiitis-obliterans-buerger-s-disease
#15
Osami Kawarada, Teruyoshi Kume, Shinobu Ayabe, Takako Nakaya, Michikazu Nakai, Kunihiro Nishimura, Teruo Noguchi, Yoshiaki Yokoi, Hisao Ogawa, Satoshi Yasuda
PURPOSE: To investigate outcomes of contemporary endovascular therapy and intravascular ultrasound (IVUS) findings in thromboangiitis obliterans (TAO) patients. METHODS: Between April 2007 and January 2016, 20 patients (mean age 45±8 years; 16 men) underwent endovascular therapy for TAO-related lesions in 25 consecutive limbs. Subjects exhibited a broad array of clinical symptoms, including critical limb ischemia (n=15) and claudication (10) in the lower (n=20) and upper (n=5) limbs...
August 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28734446/successful-lung-transplantation-using-a-deceased-donor-mechanically-ventilated-for-ten-months
#16
Shin Tanaka, Kentaroh Miyoshi, Seiichiro Sugimoto, Masaomi Yamane, Motomu Kobayashi, Takahiro Oto
A successful outcome after lung transplant was achieved using lungs donated from a teenage boy who underwent prolonged mechanical ventilation. The donor experienced hypoxic brain damage and was declared brain dead 324 days after tracheal intubation. At the time of referral, the donor's lungs revealed diffuse radiologic infiltration and atelectasis but excellent function, with a PaO2/FiO2 ratio of 450. The lungs were transplanted to a 10-year-old girl with bronchiolitis obliterans. She developed grade 2 primary graft dysfunction, but recovered quickly...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28733607/two-year-follow-up-of-vascular-events-in-peripheral-arterial-disease-treated-with-antiplatelet-agents-a-prospective-observational-multicenter-cohort-study-season
#17
Yukihito Higashi, Tetsuro Miyata, Hiroshi Shigematsu, Hideki Origasa, Masatoshi Fujita, Hiroshi Matsuo, Hiroaki Naritomi, Hiroaki Matsuda, Masahide Nakajima, Hideto Awano
The present analysis was intended to evaluate the real-world management of peripheral arterial disease (PAD) in Asia, and to explore cardiovascular events in patients with PAD undergoing antiplatelet therapy over 2 years of follow-up. The Surveillance of cardiovascular Events in Antiplatelet-treated arteriosclerosis Obliterans patients in JapaN (SEASON) registry is a prospective observational multicenter study of cardiovascular events in antiplatelet-treated patients with PAD in Japan. The SEASON registry included 11,375 patients who were scheduled to receive treatment for PAD...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28732434/effects-of-intraperitoneal-injection-of-allogeneic-bone-marrow-derived-mesenchymal-stem-cells-on-bronchiolitis-obliterans-in-mice-model
#18
Sakine Işık, Nevin Uzuner, Meral Karaman, Özkan Karaman, Müge Kıray, İlknur Kozanoğlu, Hüsnü Alper Bağrıyanık, Zeynep Arıkan-Ayyıldız, Melis Kartal Yandım, Yusuf Baran
Bone marrow-derived mesenchymal stem cells (BMSCs) can ameliorate a variety of lung diseases such as asthma, lung fibrosis, and acute lung injury by its anti-inflammatory and immunmodulatory effects. In this study, we developed a mouse model of bronchiolitis obliterans (BO) and evaluated the effects of the intraperitoneal administration of BMSCs on lung histopathology and cytokine levels. 25 BALB/c mice were divided into four groups; control group (Group I), BO developed and 1x106 BMSCs-injected group (Group II), non-BO, 1x106 BMSCs-injected group (Group III), and BO developed and saline-injected group (Group IV)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28728274/-a-retrospective-study-of-10-cases-of-post-transplant-bronchiolitis-obliterans
#19
J J Chai, T Liu, B Q Cai, H D Zhu
Objective: To analyze the clinical features of bronchiolitis obliterans syndrome (BOS) in patients with allogeneic hematopoietic stem cell transplantation (HSCT). Methods: This retrospective study included patients who underwent allogeneic HSCT from January 1998 to December 2016. The clinical features, radiological manifestations and treatment of clinically proven BOS were reviewed. Results: Of 681 patients who experienced HSCT, 10(1.47%) met the diagnostic criteria. The duration of BOS onset after transplantation was 5-48 months, averaging (18±15) months...
July 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28720146/analysis-of-long-term-cd4-cd25highcd127-t-reg-cells-kinetics-in-peripheral-blood-of-lung-transplant-recipients
#20
Davide Piloni, Monica Morosini, Sara Magni, Alice Balderacchi, Luigia Scudeller, Emanuela Cova, Tiberio Oggionni, Giulia Stella, Carmine Tinelli, Filippo Antonacci, Andrea Maria D'Armini, Federica Meloni
BACKGROUND: The role of CD4(+)CD25(high)CD127(-) T-reg cells in solid-organ Transplant (Tx) acceptance has been extensively studied. In previous studies on kidney and liver recipients, peripheral T-reg cell counts were associated to graft survival, while in lung Tx, there is limited evidence for similar findings. This study aims to analyze long term peripheral kinetics of T-reg-cells in a cohort of lung recipients and tests its association to several clinical variables. METHODS: From jan 2009 to dec 2014, 137 lung Tx recipients were submitted to an immunological follow up (median: 105...
July 18, 2017: BMC Pulmonary Medicine
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