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lung transplantation pathology

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https://www.readbyqxmd.com/read/28537805/pathology-of-chronic-hypersensitivity-pneumonitis-what-is-it-what-are-the-diagnostic-criteria-why-do-we-care
#1
Andrew Churg, AnaMaria Bilawich, Joanne L Wright
CONTEXT: - Chronic hypersensitivity pneumonitis (CHP) has emerged from obscurity during the past 15 years and is now recognized as a very common form of fibrosing interstitial pneumonia but one that is frequently misdiagnosed both clinically and on surgical lung biopsy as usual interstitial pneumonia/idiopathic pulmonary fibrosis (UIP/IPF) or fibrotic nonspecific interstitial pneumonia. OBJECTIVE: - To review the pathologic features of CHP. DATA SOURCES: - Clinical, pathology, and radiology literature were used...
May 24, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28526296/mesenchymal-stem-cells-mscs-attenuate-cutaneous-sclerodermatous-graft-versus-host-disease-scl-gvhd-through-inhibition-of-immune-cell-infiltration-in-a-mouse-model
#2
Ji-Young Lim, Da-Bin Ryu, Sung-Eun Lee, Gyeongsin Park, Chang-Ki Min
Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD) model that is characterized by skin thickening and lung fibrosis. A B10.D2 → BALB/c transplant model of Scl-GVHD was used to address the therapeutic effect of mesenchymal stem cells (MSCs) on the development of CGVHD. The clinical and pathological severity of cutaneous Scl-GVHD was significantly attenuated in MSC-treated recipients relative to Scl-GVHD controls. After MSC treatment, skin collagen production was significantly reduced with consistent downregulation of TGF-β expression...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28505026/combined-heart-lung-transplantation-an-updated-review-of-the-current-literature
#3
Shravani Pasupneti, Gundeep Dhillon, Bruce Reitz, Kiran Khush
Heart lung transplantation is a viable treatment option for patients with many end stage heart and lung pathologies. However, given the complex nature of the procedure, it is imperative that patients are selected appropriately and the clinician is aware of the many unique aspects in management of this population. This review seeks to describe updated organ selection policies, peri and postoperative management strategies, monitoring of graft function, and clinical outcomes for patients following combined heart-lung transplantation in the current era...
May 13, 2017: Transplantation
https://www.readbyqxmd.com/read/28483151/postoperative-swallowing-assessment-after-lung-transplantation
#4
Brooke Baumann, Sara Byers, Tamara Wasserman-Wincko, Libby Smith, Bridget Hathaway, Jay Bhama, Norihisa Shigemura, J W Awori Hayanga, Jonathan D'Cunha, Jonas T Johnson
BACKGROUND: Dysphagia, aspiration, and potential pneumonia represent a major source of morbidity in patients undergoing lung transplantation. Conditions that potentiate dysphagia and aspiration include frailty and prolonged intubation. Our group of speech-language pathologists has been actively involved in performance of a bedside evaluation of swallowing, and instrumental evaluation of swallowing with modified barium swallow, and postoperative management in patients undergoing lung transplantation...
May 5, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28467213/interstitial-pneumonia-with-autoimmune-features-value-of-histopathology
#5
Ayodeji Adegunsoye, Justin M Oldham, Eleanor Valenzi, Cathryn Lee, Leah J Witt, Lena Chen, Steven Montner, Jonathan H Chung, Imre Noth, Rekha Vij, Mary E Strek, Aliya N Husain
CONTEXT: - Patients with idiopathic interstitial pneumonia may display evidence of autoimmunity, without meeting criteria for a defined connective tissue disease. A recent European Respiratory Society/American Thoracic Society statement proposed research criteria for interstitial pneumonia with autoimmune features (IPAF), which includes findings from the clinical, serologic, and morphologic domains. OBJECTIVES: - To investigate the importance of histopathologic criteria within the morphologic domain and to report our methodology for identifying these features...
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28465690/mesenchymal-stem-cells-promoted-lung-wound-repair-through-hox-a9-during-endotoxemia-induced-acute-lung-injury
#6
Xi Xin, Liu Yan, Zhu Guangfa, Huang Yan, Li Keng, Wu Chunting
Objectives. Acute lung injury (ALI) is a common clinical critical disease. Stem cells transplantation is recognized as an effective way to repair injured lung tissues. The present study was designed to evaluate the effects of mesenchymal stem cells (MSCs) on repair of lung and its mechanism. Methods. MSCs carrying GFP were administrated via trachea into wild-type SD rats 4 hours later after LPS administration. The lung histological pathology and the distribution of MSCs were determined by HE staining and fluorescence microscopy, respectively...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28400242/the-impact-of-co-morbidity-in-childhood-cystic-fibrosis
#7
REVIEW
Julie A Duncan, Sarah M N Brown
A number of risk factors have been identified for deterioration of lung disease in children with Cystic Fibrosis (CF), and current management strategies are based on the prevention and treatment of such elements. Further challenge ensues when a patient has co-morbid disease in addition to CF, particularly when faced with rapidly deteriorating pulmonary status. It is difficult to measure the contribution of other pathologies to this decline and optimisation of both CF care and co-morbidity is paramount. This review explores the challenges faced when treating children with CF and co-morbid conditions, focussing on gastroesophageal reflux disease pre- and post-lung transplantation...
March 14, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28395722/-inhibitory-effect-and-the-mechanism-of-astragalus-polysaccharide-combined-with-cisplatin-on-growth-of-inplanted-lewis-lung-carcinoma-in-mice
#8
Mengjie Zhuang, Dan Liu, Yanwen Chen, Haixia Ming, Yang Li
Objective To observe the effect of Astragalus polysaccharides (APS) combined with cisplatin (DDP) on the expressions of cytochrome C (CytC) and high temperature required serine protease A2 (Omi/HtrA2) in the mice with Lewis lung carcinoma (LLC) transplantated tumors. Methods Ninty C57BL/6J mice were randomly divided into normal control group, model group, and (50, 100, 200) μg/mL APS groups, 6 mg/kg DDP group, 3 mg/kg DDP combined with (50, 100, 200) μg/mL APS groups. Each group included 10 mice. Except the mice in the normal group, the rest mice were inoculated subcutaneously with LLC cells (1×10(7) mL) at the right fore axillary fossa to establish tumor-bearing mouse models...
April 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28315911/reproducibility-of-a-semi-quantitative-lobar-pulmonary-ventilation-and-perfusion-technique-using-spet-and-ct
#9
Esber N El-Barhoun, Ghee Chew, Benjamin Crouch, Barry Chatterton
OBJECTIVE: Evaluation of regional lung function is valuable prior to lung surgery in patients with chronic lung disease. Our aim was to evaluate the reproducibility of a locally developed single photon emission tomography/computed tomography (SPET/CT) programme between and within three observers in assessing lobar pulmonary volumes, perfusion and ventilation. SUBJECTS AND METHODS: Twelve lung transplantation candidates had VQ SPET and diagnostic CT to determine lobar pulmonary function and plan surgery...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28296181/-white-out-after-lung-transplantation-a-multicentre-cohort-description-of-late-acute-graft-failure
#10
Stijn E Verleden, Jens Gottlieb, Adriana Dubbeldam, Geert M Verleden, Hendrik Suhling, Tobias Welte, Robin Vos, Mark Greer
Graft failure represents a leading cause of mortality following organ transplantation. Acute late-onset graft failure has not been widely reported. This paper describes the demographics, CT imaging pathology findings and treatment of patients presenting with the latter. A retrospective review of lung transplant recipients at 2 large-volume centres was performed. Acute late-onset graft failure was defined as sudden onset of bilateral infiltrates with an oxygenation index <200 without identifiable cause or concurrent extra-pulmonary organ failure...
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28295973/cutaneous-phaeohyphomycosis-in-a-hematopoietic-stem-cell-transplant-patient-caused-by-alternaria-rosae-first-case-report
#11
Amy W Liu, Allen C Bateman, Adam Greenbaum, Kanishka Garvin, Jill Clarridge, Jonathan Grim
Alternaria species have been reported as a rare cause of fungal infection in organ and stem cell transplant recipients, but to date, no reports have been published of infection in humans caused by Alternaria rosae. Here, we report cutaneous A. rosae infection in a 66-year-old farmer with a history of primary myelofibrosis who had undergone allogeneic unrelated donor hematopoietic stem cell transplantation. Forty-nine days post transplant, he presented with a nodule on the thumb with no findings suggestive of disseminated infection...
March 13, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28258461/gastroesophageal-reflux-and-idiopathic-pulmonary-fibrosis
#12
Marco E Allaix, Fabrizio Rebecchi, Mario Morino, Francisco Schlottmann, Marco G Patti
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease of unknown origin that affects about 40,000 new patients every year in the USA. Albeit the disease is labelled as idiopathic, it is thought that pathologic reflux, often silent, plays a role in its pathogenesis through a process of microaspiration of gastric contents. AIMS: The aim of this study was to review the available evidence linking reflux to IPF, and to study the effect of medical and surgical therapy on the natural history of this disease...
March 3, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28245402/-caspase1-inhibitor-ac-yvad-cmk-prevents-and-treats-the-acute-graft-versus-host-disease-in-mice
#13
Qing-Ling Kong, Wei Chen, Gui-Zhen Sun, Jiang Cao, Hai Cheng, Kun-Ming Qi, Xiu-Ying Pan, Zhen-Yu Li, Ling-Yu Zeng, Kai-Lin Xu
OBJECTIVE: To explore the effect of Caspase 1 inhibitor Ac-YVAD-CMK on acute graft-versus-host disease (aGVHD) after allogeneic hematopoietic stem cell transplantation(allo-HSCT) and its mechanism. METHODS: Experiments were divided randomly into 3 groups: allogeneic hematopoietic stem cell transplantation combined with splenic cell infusion group (TS group, n=12), allogeneic hematopoietic stem cell transplantation combined with splenic cell infusion plus injection of low dose Caspase 1 inhibitor group (TS+low dose of C group, n=16) and plus high dose Caspase1 inhibitor (TS+high dose of C group, n=19)...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28245130/-1-h-nmr-to-evaluate-the-metabolome-of-bronchoalveolar-lavage-fluid-balf-in-bronchiolitis-obliterans-syndrome-bos-toward-the-development-of-a-new-approach-for-biomarker-identification
#14
Carlotta Ciaramelli, Marco Fumagalli, Simona Viglio, Anna Maria Bardoni, Davide Piloni, Federica Meloni, Paolo Iadarola, Cristina Airoldi
This report describes the application of NMR spectroscopy to the profiling of metabolites in bronchoalveolar lavage fluid (BALf) of lung transplant recipients without bronchiolitis obliterans syndrome (BOS) (stable, S, n = 10), and with BOS at different degrees of severity (BOS 0p, n = 10; BOS I, n = 10). Through the fine-tuning of a number of parameters concerning both sample preparation/processing and variations of spectra acquisition modes, an efficient and reproducible protocol was designed for the screening of metabolites in a pulmonary fluid that should reflect the status of airway inflammation/injury...
March 14, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28244139/quantitative-computed-tomography-assessment-of-bronchiolitis-obliterans-syndrome-after-lung-transplantation
#15
Lee Gazourian, Samuel Ash, Emily E K Meserve, Alejandro Diaz, Raul San Jose Estepar, Souheil Y El-Chemaly, Ivan O Rosas, Miguel Divo, Anne L Fuhlbrigge, Phillip C Camp, Vincent T Ho, Ami S Bhatt, Hilary J Goldberg, Lynette M Sholl, George R Washko
BACKGROUND: Bronchiolitis obliterans syndrome (BOS) is a clinical manifestation of chronic allograft rejection following lung transplantation. We examined the quantitative measurements of the proximal airway and vessels and pathologic correlations in subjects with BOS. METHODS: Patients who received a lung transplant at the Brigham and Women's Hospital between December 1, 2002 and December 31, 2010 were included in this study. We characterized the quantitative CT measures of proximal airways and vessels and pathological changes...
May 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28242867/living-donor-liver-transplantation-for-combined-hepatocellular-carcinoma-and-cholangiocarcinoma-experience-of-a-single-center
#16
Cheng-Chih Chang, Ying-Ju Chen, Tzu-Hao Huang, Chun-Han Chen, Fang-Ying Kuo, Hock-Liew Eng, Chee-Chien Yong, Yueh-Wei Liu, Ting-Lung Lin, Wei-Feng Li, Yu-Hung Lin, Chih-Che Lin, Chih-Chi Wang, Chao-Long Chen
BACKGROUND Because the outcome of liver transplantation for cholangiocarcinoma is often poor, cholangiocarcinoma is a contraindication for liver transplantation in most centers. Combined hepatocellular carcinoma and cholangiocarcinoma is a rare type of primary hepatic malignancy containing features of hepatocellular carcinoma and cholangiocarcinoma. Diagnosing combined hepatocellular carcinoma and cholangiocarcinoma pre-operatively is difficult. Because of sparse research presentations worldwide, we report our experience with living donor liver transplantation for combined hepatocellular carcinoma and cholangiocarcinoma...
February 28, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28242077/ex%C3%A2-vivo-lung-perfusion-model-to-study-pulmonary-tissue-extracellular-microvesicle-profiles
#17
Prashanth Vallabhajosyula, Laxminarayana Korutla, Andreas Habertheuer, Sanjana Reddy, Christian Schaufler, Jared Lasky, Joshua Diamond, Edward Cantu
BACKGROUND: Extracellular microvesicles (EVs) are being increasingly studied for their diagnostic potential. We investigated the feasibility of studying the kinetics and tissue-specific profiles of pulmonary EVs in the context of ex vivo lung perfusion (EVLP) used for salvaging marginal lungs for transplantation. METHODS: Perfusate from six marginal donor lungs placed on EVLP was collected at the following time points: 0, 10, and 60 minutes after and after perfusate exchange with Steen Solution; 120 and 180 minutes...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28223152/pathological-findings-and-prognosis-in-a-large-prospective-cohort-of-chronic-hypersensitivity-pneumonitis
#18
Ping Wang, Kirk D Jones, Anatoly Urisman, Brett M Elicker, Thomas Urbania, Kerri A Johannson, Deborah Assayag, Joyce Lee, Paul J Wolters, Harold R Collard, Laura L Koth
BACKGROUND: The ability of specific histopathological features to predict mortality or lung transplant in chronic hypersensitivity pneumonitis patients is unknown. METHODS: Patients with chronic hypersensitivity pneumonitis diagnosed by surgical lung biopsy were identified from an ongoing longitudinal cohort. The surgical lung biopsy slides were evaluated prospectively by an experienced thoracic pathologist using a standardized checklist to differentiate the major pathologic patterns and score the presence of specific histopathological features...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28212151/antibody-mediated-rejection-in-the-cardiac-allograft-diagnosis-treatment-and-future-considerations
#19
M Elizabeth H Hammond, Abdallah G Kfoury
PURPOSE OF REVIEW: This review summarizes the latest publications dealing with antibody-mediated rejection (AMR) and defines areas of controversy and future steps that may improve the outcome for patients with this virulent form of rejection. RECENT FINDINGS: Recent progress includes publication of standardized pathologic criteria for acute AMR by the International Society for Heart and Lung Transplantation (ISHLT) and guidelines for treatment of acute AMR by the American Heart Association, endorsed by ISHLT as well...
February 15, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28207638/association-of-local-intrapulmonary-production-of-antibodies-specific-to-donor-major-histocompatibility-complex-class-i-with-the-progression-of-chronic-rejection-of-lung-allografts
#20
Ei Miyamoto, Hideki Motoyama, Masaaki Sato, Akihiro Aoyama, Toshi Menju, Kei Shikuma, Terumasa Sowa, Akihiko Yoshizawa, Masao Saito, Akihiro Takahagi, Satona Tanaka, Mamoru Takahashi, Keiji Ohata, Takeshi Kondo, Kyoko Hijiya, Toyofumi F Chen-Yoshikawa, Hiroshi Date
BACKGROUND: Antibody-mediated rejection may lead to chronic lung allograft dysfunction, but antibody-mediated rejection may develop in the absence of detectable donor-specific antibody (DSA) in recipient serum. This study investigated whether humoral immune responses develop not only systemically but locally within rejected lung allografts, resulting in local production of DSA. METHODS: Lewis rats received orthotopic left lung transplantation from Lewis (syngeneic control) or Brown-Norway (major histocompatibility complex-mismatched allogeneic) donor rats...
May 2017: Transplantation
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