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https://www.readbyqxmd.com/read/28546377/respiratory-care-considerations-in-the-childhood-cancer-patient
#1
Lama Elbahlawan, K Jason Rains, Dennis C Stokes
This article reviews the common pulmonary complications seen in the pediatric oncology population and our approach to diagnosis, management, and therapy considerations in this specialized population, including patients receiving chemotherapy, radiation, and hematopoietic stem cell transplantation. Although infections cause the most significant complications in this population, non-infectious complications, including acute lung injury from chemotherapy or radiation, idiopathic interstitial pneumonia, diffuse alveolar hemorrhage, bronchiolitis obliterans, and cryptogenic organizing pneumonia, also occur commonly...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28545478/ltb4-and-montelukast-in-transplantation-related-bronchiolitis-obliterans-in-rats
#2
Zheng-Liang Tu, Zhen-Yu Zhou, Hai-Chao Xu, Jin-Lin Cao, Peng Ye, Lu-Ming Wang, Wang Lv, Jian Hu
BACKGROUND: Lung transplantation is the only effective treatment for end-stage lung diseases. Bronchiolitis obliterans, which is known as non-infectious chronic lung allograft dysfunction (CLAD) in the new classification, is the greatest threat to long-term survival after lung transplantation. This study investigated the role of leukotriene B4 (LTB4) and montelukast in transplantation-related bronchiolitis obliterans and discussed the pathophysiological significance of LTB4 in chronic rejection...
May 25, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28530085/-long-term-treatment-with-macrolides-in-chronic-lung-diseases
#3
REVIEW
Michal Shteinberg, Sonia Schneer, Ophir Lavon, Yochai Adir
Macrolide agents have both antibacterial properties as well as various effects on the inflammatory system. In recent years there is growing evidence regarding the favourable effects of macrolides in a range of chronic respiratory conditions. Historically, erythromycin and clarithromycin were found to stabilize pulmonary deterioration in diffuse panbronchiolitis. In cystic fibrosis patients colonized with pseudomonas aeruginosa, long term treatment with azithromycin reduces exacerbations and presents improved lung function...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28528427/repeated-systemic-administration-of-adipose-tissue-derived-mesenchymal-stem-cells-prevents-tracheal-obliteration-in-a-murine-model-of-bronchiolitis-obliterans
#4
William Lorenzi, Fabiany Da Costa Gonçalves, Natália Schneider, Éverton Franco Silva, Fernanda Visioli, Ana Helena Paz, Mauricio Guidi Saueressig
OBJECTIVE: To investigate the effect of adipose tissue-derived mesenchymal stem cell (ASC) administered either systemically or locally in a murine model of bronchiolitis obliterans. RESULTS: When compared to controls, systemic treatment with 10(6) ASCs on D0 and a second dose on D7 significantly prevented tracheal obliteration 28 days after heterotopic tracheal transplantation (median of 94 vs. 16%; P < 0.01). A single dose tended towards less stenosis than controls, but did not reach statistical significance (28 vs...
May 20, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28511446/thromboangitis-obliterans-involving-bilateral-upper-limb-extremities-a-rare-case-report-from-malaysia
#5
Uthamalingam Murali, Mohammad Azhar Anis Ahmad, Fatin Najihah
Thromboangitis Obliterans (TAO) or Buerger's disease is a non-atherosclerotic, occlusive, progressive and highly inflammatory disorder of distal arteries seen predominantly affecting the lower limb in smokers. TAO presenting itself in upper limb or bilaterally involving the upper limb is a very rare entity. We report on a rare case of TAO in a 46-year-old gentleman who presented with bilateral upper extremity digital gangrene with 18 pack-years of smoking. Brachial and radial pulses were palpable bilaterally and were of good volume but right ulnar pulse was faintly felt, while on the left side it was not appreciated due to malunion...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28502934/a-cryptogenic-case-of-fulminant-fibrosing-organizing-pneumonia
#6
Takehiko Kobayashi, Masanori Kitaichi, Kazunobu Tachibana, Yutaro Kishimoto, Yasushi Inoue, Tomoko Kagawa, Toshiya Maekura, Chikatoshi Sugimoto, Toru Arai, Masanori Akira, Yoshikazu Inoue
Cryptogenic organizing pneumonia (COP) generally responds well to corticosteroids with a favorable outcome. Rare cases of organizing pneumonia are rapidly progressive. Yousem et al. studied pathologic predictors of idiopathic bronchiolitis obliterans organizing pneumonia/COP with an unfavorable prognosis. Beardsley and Rassl proposed the name fibrosing organizing pneumonia (FOP). A 74-year-old female non-smoker presented with a 2-week history of dry cough followed by dyspnea and a fever. The clinical course was fulminant, but we successfully performed bronchoscopy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28491481/retinal-artery-occlusion-secondary-to-buerger-s-disease-thromboangiitis-obliterans
#7
Erdem Eris, Mehmet Emin Sucu, Irfan Perente, Zeynep Alkın, Abdullah Ozkaya, Hatice Nur Tarakcioglu
Purpose. To report a case report of one patient suffering from retinal artery occlusion secondary to Buerger's disease, in order to raise awareness to this etiology in the differential diagnosis of retinal artery occlusion. Methods. A retrospective case report of a patient with retinal artery occlusion secondary to Buerger's disease. Data retrieved from the medical records included exposure, complaints, visual acuity, clinical findings and imaging, laboratory assessment, treatment, disease course, and visual outcome...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28488260/cessation-of-extracorporeal-photopheresis-in-chronic-lung-allograft-dysfunction-effects-on-clinical-outcome-in-adults
#8
Cécile A Robinson, Lars Huber, Christian Murer, Macé Schuurmans, Malcolm Kohler, Günther Hofbauer, Christian Benden
BACKGROUND: Extracorporeal photopheresis (ECP) has been reported to be safe and the ultimate treatment option in lung transplant recipients with chronic lung allograft dysfunction (CLAD), the main overall cause of mortality in lung transplant recipients. However, ECP is not reimbursed in selected health jurisdictions, and reimbursement by health insurance providers is a major issue. In Switzerland, ECP is not recognised by the health authorities as a therapy option for CLAD; thus by the end of 2014, ECP had to be stopped in the majority of adult lung transplant recipients cared for at the University Hospital Zurich because of lack of continuous funding...
May 10, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28469930/early-extracellular-matrix-changes-are-associated-with-later-development-of-bronchiolitis-obliterans-syndrome-after-lung-transplantation
#9
Catharina Müller, Annika Andersson-Sjöland, Hans Henrik Schultz, Leif T Eriksson, Claus B Andersen, Martin Iversen, Gunilla Westergren-Thorsson
BACKGROUND: Chronic lung allograft dysfunction in the form of bronchiolitis obliterans syndrome (BOS) is the main cause of death beyond 1-year post-lung transplantation. The disease-initiating triggers as well as the molecular changes leading to fibrotic alterations in the transplanted lung are largely unknown. The aim of this study was to identify potential early changes in the extracellular matrix (ECM) in different compartments of the transplanted lung prior to the development of BOS...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28460874/risk-index-for-postoperative-acute-kidney-injury-after-valvular-surgery-using-cardiopulmonary-bypass
#10
Takashi Yamauchi, Shigeru Miyagawa, Yasushi Yoshikawa, Koichi Toda, Yoshiki Sawa
BACKGROUND: Acute kidney injury (AKI) after valvular surgical procedures with cardiopulmonary bypass carries potentially high mortality and morbidity rates. This study investigated the risk factors for AKI, and the study investigators developed a risk index to predict postoperative AKI. METHODS: A total of 1,484 consecutive non-dialysis-dependent patients who underwent valvular operations using cardiopulmonary bypass between 2008 and 2011 were retrospectively investigated...
April 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28457921/serum-mirnas-as-potential-biomarkers-for-the-bronchiolitis-obliterans-syndrome-after-lung-transplantation
#11
K Budding, M Rossato, E A van de Graaf, J M Kwakkel-van Erp, T R D J Radstake, H G Otten
Lung transplantation (LTx) is the last treatment for patients suffering from end-stage lung diseases. Survival post-LTx is hampered by the development of the bronchiolitis obliterans syndrome (BOS) and diagnosis is often late. Given the urgent clinical need to recognize BOS patients at an early stage, we analyzed circulating miRNAs to identify possible stratification markers for BOS development post-transplantation. Therefore, pro-fibrotic (miR-21, miR-155), anti-fibrotic (miR-29a) and fibrosis-unrelated (miR-103, miR-191) miRNAs were analyzed in serum of end-stage lung disease patients and during LTx follow-up...
April 28, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28457374/efficacy-of-extracorporeal-photopheresis-in-patients-with-bronchiolitis-obliterans-syndrome-after-lung-transplantation
#12
Y Pecoraro, C Carillo, D Diso, S Mantovani, G Cimino, T De Giacomo, P Troiani, M Shafii, L Gherzi, D Amore, E A Rendina, F Venuta, M Anile
BACKGROUND: Lung transplantation (LT) is only therapeutic option for patients affected by chronic respiratory failure. Chronic rejection, also known as bronchiolitis obliterans syndrome (BOS), is still the main cause of death and the most important factor that influences post-transplantation quality of life. Currently available therapies have not been proven to result in significant benefit in the prevention or treatment of BOS. Extracorporeal photopheresis (ECP) seems to reduce the rate of lung function decline in transplant recipients with progressive BOS...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28428651/utility-of-the-inspiratory-phase-in-high-resolution-computed-tomography-evaluations-of-pediatric-patients-with-bronchiolitis-obliterans-after-allogeneic-bone-marrow-transplant-reducing-patient-radiation-exposure
#13
Paulo Henrique Togni Filho, João Luiz Marin Casagrande, Henrique Manoel Lederman
OBJECTIVE: To evaluate the utility of the inspiratory phase in high-resolution computed tomography (HRCT) of the chest for the diagnosis of post-bone marrow transplantation bronchiolitis obliterans. MATERIALS AND METHODS: This was a retrospective, observational, cross-sectional study. We selected patients of either gender who underwent bone marrow transplantation and chest HRCT between March 1, 2002 and December 12, 2014. Ages ranged from 3 months to 20.7 years...
March 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28427861/divergent-function-of-programmed-death-ligand-1-in-donor-tissue-versus-recipient-immune-system-in-a-murine-model-of-bronchiolitis-obliterans
#14
Katharina Schütte-Nütgen, Olaf Boenisch, Hakima Harrach, Alicia Casey, Indira Guleria, Nader Najafian, Mohamed H Sayegh, Craig J Gerard, Meera Subramaniam
Costimulatory molecules, such as the programmed death ligand (PD-L1), might exert differential effects on T-cell function, depending on the clinical setting and/or immunological environment. Given the impact of T cells on bronchiolitis obliterans (BO) in lung transplantation, we used an established tracheal transplant model inducing BO-like lesions to investigate the impact of PD-L1 on alloimmune responses and histopathological outcome in BO. In contrast to other transplant models in which PD-L1 generally shows protective functions, we demonstrated that PD-L1 has divergent effects depending on its location in donor versus recipient tissue...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28415888/bioengineered-gold-nanoparticles-targeted-to-mesenchymal-cells-from-patients-with-bronchiolitis-obliterans-syndrome-does-not-rise-the-inflammatory-response-and-can-be-safely-inhaled-by-rodents
#15
Emanuela Cova, Simona Inghilleri, Laura Pandolfi, Monica Morosini, Sara Magni, Miriam Colombo, Davide Piloni, Chiara Finetti, Gabriele Ceccarelli, Laura Benedetti, Maria Gabriella Cusella, Manuela Agozzino, Fabio Corsi, Raffaele Allevi, Simona Mrakic-Sposta, Sarah Moretti, Simona De Gregori, Davide Prosperi, Federica Meloni
The use of gold nanoparticles as drug delivery system represents a promising issue for diseases without effective pharmacological treatment due to insufficient local drug accumulation and excessive systemic toxicity. Bronchiolitis obliterans syndrome (BOS) represents about 70% of cases of chronic lung allograft dysfunction, the main challenge to long term lung transplantation. It is believed that due to repeated insults to epithelial bronchiolar cells local inflammatory response creates a milieu that favours epithelial mesenchymal transition and activation of local mesenchymal cells leading to airway fibro-obliteration...
April 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28402575/impaired-proliferation-and-differentiation-of-the-conducting-airway-epithelium-associated-with-bronchiolitis-obliterans-after-sulfur-mustard-inhalation-injury-in-rats
#16
Matthew D McGraw, Jaqueline S Rioux, Rhonda B Garlick, Raymond C Rancourt, Carl W White, Livia A Veress
RationaleSulfur mustard (SM) is a chemical warfare agent that causes chronic airway remodeling. The current study's objective was to assess for changes to the bronchiolar epithelium after SM exposure to explain its contribution to chronic airway remodeling.Materials and MethodsAdult male rats were exposed to a sub-lethal dose of SM inhalation (1.0 - 1.2 mg/kg) for 50 minutes. Histological sections of the bronchiolar epithelium were analyzed for changes using H&E, trichrome, and immunofluorescent staining for acetylated tubulin (AT) and club cell secretory protein (CCSP)...
April 11, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28390643/a-46-year-old-man-with-dyspnea-hypoxemia-and-radiographic-asymmetry-after-redo-bilateral-lung-transplantation
#17
Sofya Tokman, Michael A Smith, A Samad Hashimi, Ashraf Omar
A 46-year-old man underwent redo bilateral sequential lung transplantation for rapidly progressive bronchiolitis obliterans syndrome that developed 3.5 years after initial transplantation. In the operating room, he was sedated and intubated with a dual lumen endotracheal tube with subsequent single right-lung ventilation and left allograft implantation. His pulmonary arterial pressure became elevated with reperfusion of the newly implanted left lung, which required initiation of cardiopulmonary bypass to facilitate implantation of the right lung...
April 2017: Chest
https://www.readbyqxmd.com/read/28385367/-radiation-induced-bronchiolitis-obliterans-with-organizing-pneumonia
#18
J Ducray, S Vignot, A Lacout, I Pougnet, P-Y Marcy, C Chapellier, N Foray, A Creisson, J Thariat
Bronchiolitis obliterans with organizing pneumonia is an inflammatory reaction that can occur as a consequence of various pulmonary affections. Radiotherapy is not the sole and systematic cause of bronchiolitis obliterans with organizing pneumonia. Radiation-induced should not be confused with post-radiation, dose-dependent, inflammatory pulmonary fibrosis, which is non-immunological and located within the irradiation field. The role of immunity, local inflammation and individual radiosensitivity in bronchiolitis obliterans with organizing pneumonia is not well defined...
April 14, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28377342/-efficacy-of-drug-coated-balloon-and-common-balloon-for-treatment-of-superficial-femoral-artery-and-popliteal-artery-arteriosclerosis-obliterans-prospective-randomized-controlled-triac
#19
Jing-Yuan Lu, Jian-Ping Gu, Wen-Jian Xu, Wen-Sheng Lou, Tao Wang
OBJECTIVE: To compared the efficacy of drug-coated balloon and common balloon for treatment of superficial femoral artery and popliteal artery occlusive disease. METHODS: Forty-six patients were admitted for ipsilateral single or multiple superficial femoral artery and/or popliteal artery lesions (between 3 and 15 cm stenosis or occlusion), Rutherford grades 2 to 5, with or without other accompanying diseases in the Department of Interventional Vascular Therapy of the First Hospital of Nanjing between September, 2015 and December, 2016...
March 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28357515/clinical-features-and-predictors-of-patients-with-critical-limb-ischemia-who-responded-to-autologous-mononuclear-cell-transplantation-for-therapeutic-angiogenesis
#20
Naoyoshi Aoyama, Makoto Nishinari, Shinichi Ohtani, Akifumi Kanai, Chiharu Noda, Mitsuhiro Hirata, Akira Miyamoto, Masafumi Watanabe, Tohru Minamino, Tohru Izumi, Jyunya Ako
The clinical features of patients with critical limb ischemia (CLI) who responded to angiogenesis using autologous peripheral blood mononuclear cell transplantation (PB-MNC) have not yet been fully characterized, and there are no useful predictors to judge the curative effect in the early period after PB-MNC. This study sought to clarify the clinical features and predictors in patients with CLI who were successfully treated using PB-MNC. 30 consecutive patients [arteriosclerosis obliterans: 24 patients, thromboangiitis obliterans: 6 patients] who were diagnosed with major amputation despite maximal medical therapy were enrolled in this study...
March 29, 2017: Heart and Vessels
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