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Query: UMLS:C0206061 (interstitial pneumonia)
 6,105 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Most results obtained by different study and analytic designs favor that matched allogeneic BMT is superior to chemotherapy in young adults with ANLL in first remission. The place of ABMT is more difficult to assess and requires further study both compared to chemotherapy and allogeneic BMT. Furthermore, the question of purging needs further study in a controlled fashion. For older patients the choice is more difficult. Transplant related mortality increases with age which makes ABMT an attractive alternative to allogenic BMT. However, recent advances in prophylaxis and treatment of transplant related complications such as cytomegalovirus interstitial pneumonia and veno-occlusive disease of the liver might increase long-term survival after allogeneic BMT in older patients. The role of matched unrelated donors in the treatment of ANLL is unresolved but this procedure should probably be reserved for relatively young patients in second complete remission or later.
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PMID:Bone marrow transplantation for acute non-lymphoblastic leukemia. 147 35

Cytomegalovirus (CMV) is the most common cause of interstitial pneumonia following bone marrow transplantation. CMV pneumonia (CMV Pn) is particularly worrying after allografts since its incidence and severity are closely linked to graft-versus-host disease (GVHD). In similarly conditioned patients, the risk of CMV Pn is the same after autografts and allografts without GVHD; it is inexistant in bone marrow transplantations between twins. These findings, together with numerous experimental data, make CMV Pn a model of viral pneumonia in which the severity of the pneumonia seems to correlate mainly with an immunological reaction that is toxic for pulmonary cells, and CMV acts as a triggering agent rather than as a direct pathogen. As regards treatment, the ganciclovir-immunoglobulins combination has been very encouraging in the first patients treated, but as its mode of action is uncertain our enthusiasm must be tempered, especially since the results recently obtained in a greater number of patients seems to be less favourable than the initial results. The effectiveness of this costly drug combination, which in practice should be reserved for patients who received allografts or autografts plus pulmonary radiotherapy, deserves a more precise re-evaluation.
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PMID:[Clinical, diagnostic and physiopathological aspects of cytomegalovirus pneumonia after bone marrow transplantation]. 196 51

Amiodarone was administered to 80 patients with recurrent cardiac tachyarrhythmias previously resistant to drug treatment. Forty nine patients were treated for ventricular tachycardia or fibrillation and 31 for supra-ventricular arrhythmias. The mean (range six days to 51 months), permitting a total of 100 patient years of observation. Adverse reactions were observed in 69 patients. Severe side effects were encountered in 13: four patients developed interstitial pneumonitis, four patients developed incessant ventricular tachycardia, three patients taking amiodarone and digoxin sustained sinus node arrest with depression of escape foci, one patient developed hepatitis, and one patient developed hypercalcaemia with renal failure. Furthermore, a rise in the serum concentration of digoxin and potentiation of warfarin anticoagulation occurred in cases in which these agents were combined with amiodarone. Amiodarone was stopped in 14 patients because of side effects. Although amiodarone is effective in suppressing arrhythmias in most patients in whom extensive use of antiarrhythmic drugs has been unsuccessful, it is associated with diverse and serious toxicity. These observations suggest that at present the use of amiodarone should be reserved for patients with life threatening or seriously disabling arrhythmias in whom longer established drugs have been ineffective or are contraindicated.
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PMID:Adverse reactions during treatment with amiodarone hydrochloride. 640 40

Bone marrow transplantation is an effective therapy for aplastic anemia. Infusion of allogeneic hematopoietic stem cells after high-dose immune suppression restores normal hematopoiesis in most patients and long-term follow-up has confirmed the durability of donor hematopoiesis. However, success of this approach is limited by transplant-related complications, such as graft failure, graft-versus-host disease, and various organ toxicities. Long-term survival rates range from less than 40% to more than 90% in reported series. These rates have improved over the past 20 years due to significant reductions in graft-versus-host disease, interstitial pneumonitis, and early transplant-related mortality. Most long-term survivors have excellent performance status. Late effects such as cataracts, thyroid disorders, joint problems, and therapy-related cancers are observed, especially in patients who received radiation for pretransplant conditioning. Results are best in young patients transplanted with bone marrow from a human leukocyte antigen (HLA)-identical sibling; early transplantation is appropriate in this group. For older patients or those without an HLA-identical related donor, transplants are better reserved for those who fail to respond to immunosuppressive therapy.
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PMID:Current status of allogeneic bone marrow transplantation in acquired aplastic anemia. 1067 9

Interstitial lung diseases are a heterogeneous group of disorders with a variety of causes. In veterinary medicine, such lung diseases with a prominent fibrotic component of unknown etiology are often called idiopathic pulmonary fibrosis (IPF). In human medicine, this term is reserved for a distinct disease entity with specific histologic findings labeled as usual interstitial pneumonia (UIP). We identified 23 cats displaying histologic criteria of UIP The purpose of this retrospective study is to describe the presentation and response to therapy of these cats to better define this disease entity. All but 2 cats were middle aged to older (median 8.7 years), with no apparent sex or breed predisposition. Complaints included respiratory distress (n = 18) and cough (13). Duration of signs was less than 6 months in 17 cats. Physical-examination abnormalities included tachypnea, inspiratory or mixed inspiratory and expiratory effort, and adventitial lung sounds. No consistent hematologic or biochemical abnormalities, parasites, or positive serologic results for feline retroviruses, heartworms, or toxoplasmosis were present. Radiographic changes included dense patchy or diffuse interstitial, bronchiolar, and alveolar infiltrates. Analysis of bronchial lavage fluid revealed mild neutrophilic inflammation (n = 6) with no consistent pathogen growth. Clinical condition of 5 cats worsened after lavage. Coincident pulmonary neoplasia was identified in 6 cats. Response to therapy (corticosteroids, antibiotics, bronchodilators, and diuretics) was poor, and most cats died within days to months. Cats with histologic changes compatible with UIP had signs that mimicked many of the clinical findings of human IPF, and treatment response was similarly unrewarding.
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PMID:Identification and characterization of an idiopathic pulmonary fibrosis-like condition in cats. 1551 77

For many years, the clinical entity of idiopathic interstitial pneumonia (IIP) has been a source of confusion for physicians. There has been much debate over the utility of subclassifying this condition histopathologically. It now appears that such classification is useful, and the most important distinction is the presence or absence of usual interstitial pneumonia (UIP). Unlike the other histopathologic subgroups, UIP has a grave prognosis and responds poorly to traditional therapies. To emphasize this clinical difference, the diagnosis of idiopathic pulmonary fibrosis (IPF), once used synonymously with IIP, is now reserved for only those patients with the histopathologic pattern of UIP. Although the gold standard for the diagnosis of IPF/UIP remains surgical lung biopsy, recent studies suggest that careful clinical and radiographic evaluation can identify IPF/UIP with a specificity of 90% or more. In the absence of a clear clinical diagnosis, we recommend pursuing surgical lung biopsy. Knowledge of the underlying histopathology will allow for more accurate prognosis, help guide therapy, and make possible the clinical investigation of novel therapeutic agents for patients with IIP.
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PMID:The clinical significance of histopathologic subgroups in idiopathic interstitial pneumonia: is surgical lung biopsy essential? 1608 85

Cigarette smoke, a toxic collection of more than 4000 chemicals generated from combustion of tobacco plant leaves, is known to cause several respiratory ailments, including chronic bronchitis, emphysema and lung cancer, and is associated with an increase in respiratory infections. In addition, cigarette smoking is considered a principal aetiological factor responsible for the development of certain diffuse interstitial and bronchiolar lung diseases, namely respiratory bronchiolitis-interstitial lung disease (RB-ILD), desquamative interstitial pneumonia (DIP) and adult pulmonary Langerhans' cell histiocytosis (PLCH). Although not exclusively seen in cigarette smokers, substantial clinical and epidemiological data support a central role for smoking as the primary causative agent of most RB-ILD, DIP and PLCH. Additional evidence in support of cigarette smoke as a primary aetiological agent in RB-ILD, DIP and PLCH is the observation that smoking cessation may lead to disease improvement, while recurrence of these disorders has been observed to occur in the transplanted lung upon re-exposure to tobacco smoke. Furthermore, histopathological changes of respiratory bronchiolitis, DIP and PLCH (with or without co-existent emphysema) may be found on lung biopsy in the same individual, implicating smoking as a common inciting agent of these diverse lesions. Recent studies also suggest a role for cigarette smoking as a potential co-factor in the development of acute eosinophilic pneumonia, usual interstitial pneumonia and rheumatoid arthritis-associated interstitial lung disease. In the current review, we propose a novel classification that takes into account the complex relationship between cigarette smoking and diffuse lung diseases. Investigation on the role of smoking as a potential causative factor or modifier of these diverse diffuse lung diseases is important, as smoking cessation utilizing state-of-the-art tobacco cessation efforts should be a central part of therapy, while pharmacotherapy with corticosteroids or other immune modifying agents should be reserved for selected patients.
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PMID:Cigarette smoking and diffuse lung disease. 1862 8

Cigarette smoking is a recognized causative agent or precipitant of specific diffuse lung diseases characterized by bronchiolar and interstitial lung inflammation. Respiratory bronchiolitis-associated interstitial lung disease and pulmonary Langerhans cell histiocytosis are now considered smoking-induced diffuse lung diseases. Desquamative interstitial pneumonia is also recognized as a smoking-induced interstitial pneumonia in most cases. These disorders affect relatively young adult smokers and may be progressive. Although distinguishable by histopathological and radiographic features, significant overlap occurs in many cases with chest radiography and lung histology showing overlapping features of smoking-related bronchiolar and interstitial lung injury. Cigarette smoking is also recognized as an important precipitant of many acute eosinophilic pneumonia cases. Smokers are at higher risk of developing fibrotic interstitial lung diseases such as idiopathic pulmonary fibrosis and rheumatoid arthritis-associated interstitial lung disease. Certain smokers also develop combined emphysema and lung fibrosis. The avoidance of primary and second-hand cigarette smoke is a critical component of management for patients afflicted with these smoking-induced diffuse lung diseases. The role of corticosteroids and other immunosuppressive treatments in the management of smoking-related interstitial lung diseases remains poorly defined and should be reserved for individuals with progressive disease despite smoking cessation. Understanding mechanisms by which tobacco induces diffuse lung pathology is critical in the pursuit of novel therapeutic approaches for these diseases.
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PMID:Diffuse lung diseases in cigarette smokers. 2300 6

The advent of computed tomography permitted recognition of the coexistence of pulmonary fibrosis and emphysema (CPFE). Emphysema is usually encountered in the upper lobes preceding fibrosis of the lower lobes, and patients are smokers, predominantly male, with distinct physiologic profile characterized by preserved lung volumes and markedly reduced diffusion capacity. Actually, the term CPFE is reserved for the coexistence of any type and grade of radiological pulmonary emphysema and the idiopathic usual interstitial pneumonia computed tomography pattern as well as any pathologically confirmed case. CPFE is complicated by pulmonary hypertension, lung cancer and acute lung injury and may present different outcome than that of its components.
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PMID:Combined pulmonary fibrosis and emphysema. 2336 97

The intersection of the connective tissue diseases (CTD) and the interstitial lung diseases (ILD) is complex. Although often considered as a single entity, "CTD-ILD" actually reflects a heterogeneous spectrum of diverse CTDs and a variety of patterns of interstitial pneumonia. The evaluation of patients with CTD that develop ILD, or the assessment for underlying CTD in those presenting with presumed "idiopathic" ILD can be challenging and these evaluations can be optimized by effective multidisciplinary collaboration. When a diagnosis of CTD-ILD is confirmed, careful and thorough assessments to determine extra- versus intra-thoracic disease activity, and degrees of impairment are needed. Pharmacologic intervention with immunosuppression is the mainstay of therapy for all forms of CTD-ILD, but should be reserved only for those that demonstrate clinically significant and/or progressive disease. The management of CTD-ILD is not yet evidence based and there is a desperate need for controlled trials across the spectrum of CTD-ILD. Non-pharmacologic management strategies and addressing comorbidities or aggravating factors should be part of a comprehensive treatment plan for individuals with CTD-ILD.
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PMID:Assessment and management of connective tissue disease-associated interstitial lung disease. 2623 51


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