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Query: UMLS:C0344329 (collapse)
 28,634 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 73-year-old woman had dyspnea associated with gradually increasing pulmonary collapse. Despite intensive investigation, the diagnosis was only reached at autopsy 18 months later, when histologic examination of the lungs showed changes of both fibrosing alveolitis and alveolar cell carcinoma.
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PMID:Another presentation of fibrosing alveolitis and alveolar cell carcinoma. 18 Dec 13

A study of the pathogenesis of bovine ephemeral fever confirmed that the major clinical signs were fever lasting no more than 2 days, with increased respiratory rate, dyspnoea and some degree of lameness. Haematological observations revealed a neutrophilia with a left shift and a lymphopaenia at the time of peak clinical reaction. The net result was a slight leucopaenia on the day after this reaction. The most prominent pathological changes involved the lungs and synovial joints. Pulmonary emphysema and alveolar collapse with bronchiolitis, degenerative changes in synovial membranes and increased synovial fluid were observed. Specific fluorescence indicating the presence of BEF viral antigen could be detected at the time of peak clinical response in individual cells in the lungs, spleen and lymph nodes as well as neutrophils. Before and after the peak fever some fluorescence was seen in cells which appeared to be reticular cells in the lymph nodes. Viral isolation in mice could be made from blood, lungs, spleen and lymph nodes over a period of no more than 3 days. It is postulated that viral growth takes place mainly in the reticuloendothelial cells in the lungs, spleen and lymph nodes and not in vascular endothelium or lymphoid cells.
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PMID:Studies on the pathogenesis of bovine ephemeral fever. 33 60

Serum FDPs were investigated in 30 healthy and 95 patients with pulmonary thrombembolia, not-stabilized angina pectoris, myocardial infarction, rheumatism, rheumatoid arthritis, lupus erythematodes and dermatomyositis. FDPs are determined by hemagglutination inhibition according to Merskey. They are found in the sera of the healthy in average values of 3.73 mkgr/ml. The highest average values in the first 24 h were found in case of pulmonary thrombembolia up to 106.64 mkgr/ml, followed by rheumatoid arthritis 26.3 mkgr/ml, myocardial infarction with complication 22.4 mkgr/ml, rheumatism +5.58 mkgr/ml, not-stabilized angina pectoris 5.5 mkgr/ml; and noncomplicated myocardial infarction 4.3 mkgr/ml. By the third day of the disease FDP in pulmonary thrombembolia decreased, whereas a negligible elevation was observed in case of non-complicated myocardial infarction. The results were interpreted as well as the cause for the presence of the mentioned products in those groups of diseases. FDP determination is recommended as a routine method in case of: diagnosis of pulmonary thrombembolia, differentiation of myocardial infarction with or without complications, differentiation of pulmonary thrombembolia from myocardial infarction in emergency states, progressing with chest pain, collapse phenomena, dyspnea and establishment of the activity of the process of rheumatoid arthritis. FDP determination in stenocardia and rheumatism is not expedient.
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PMID:[Level of fibrinogen/fibrin degradation products (F/FDP) in certain internal diseases]. 49 29

Five asthmatic patients developed collapse of one lung. Three of the patients were children and three of the five had repeated episodes of atelectasis. Episodes of atelectasis were usually associated with localised chest pain, which was not pleuritic in character, and with breathlessness, but without wheezing. The were not related to clinically apparent respiratory infections or to deterioration of the underlying asthma. The cause is obscure, but re-expansion seems to be hastened by oral corticosteroid therapy.
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PMID:Unilateral pulmonary collapse in asthmatics. 66 80

An acute respiratory distress syndrome in 10 adult dogs was usually preceded by vomiting, anorexia and lethargy followed, after a short interval, by dyspnoea. The dyspnoea became increasingly severe, despite oxygen therapy, and cyanotic respiratory failure ensued. All 10 dogs died or were killed after illnesses lasting between one and eight days. Necropsies revealed pulmonary congestion, oedema, collapse and haemorrhage with loss of alveolar epithelial cells. Early alveolar fibrosis was also found. Paraquat was identified in post mortem samples from four of the 10 dogs.
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PMID:Acute respiratory distress in the dog associated with paraquat poisoning. 86 Mar 82

The aetiology of congenital lobar emphysema is not always evident. In the group with demonstrable check-valve mechanism, which allows the air to enter but not to leave the lung, there is either internal stenosis or external compression of the bronchus. When no cause can be found, the condition is called idiopathic, although in some cases alveolar fibrosis has been demonstrated, the check-valve mechanism being in these cases at an alveolar level. In the small group of rare cases of bronchial atresia, air which enters through a collateral ventilation cannot be removed by the same route; in these case too, the check-valve mechanism exists at the alveolar level. Five cases of "congenital lobar emphysema" are presented. One case showed no bronchial anomaly; another case showed an increase in interstitial connective tissue in the lung; tow cases showed hypoplasia or absence of bronchial cartilage; in one case, bronchial atresia was found at operation. Infants show a typical symptomatology of dyspnoea and cyanosis, and a typical chest X-ray with unilateral radiolucency and a delicate lung pattern, collapse of surrounding lung tissue, and mediastinal hernia. In older children, the diagnosis is made either incidently or following a complication. The condition is usually found in the left upper and the right middle lobe. Treatment is surgical and consists of resection of the emphysematous segments.
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PMID:Congenital lobar emphysema. 86 84

Clinical and roentgenographic findings were compared in patients 40 years of age and over and in those under 40 who were treated for acute unilateral pneumothorax. Dyspnea and anxiety were pominent in the older individuals, although pneumothoraces were usually small. Because physical findings were often unreliable, roentgenograms were required. In the presence of pulmonary emphysema, loss of retractility prevented total collapse of the underlying lung. Increased intrapleural pressure caused over-expansion of the chest wall and the depression of the diaphragm without much mediastinal shifting. Partial collapse of emphysematous lobes demonstrated bullae that were not previously obvious. Respiratory failure developed in five patients over 40 years of age, but four of them recovered after relief of the pneumothorax. Mortality for the group was low and related to associated pulmonary diseases.
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PMID:Pneumothorax complicating pulmonary emphysema. 117 69

Chronic thromboembolic occlusion of the left pulmonary artery in a 36 year old woman is described, and similar cases reported in the past 15 years are discussed. On review, this disease remains a rare entity. In the majority of cases, the etiology is thrombophlebitis and acute pulmonary embolism. Associated cardiopulmonary disease is uncommon. The most common presenting symptom is unexplained dyspnea, and the majority of patients have past histories of hemoptysis. Acute cardiovascular collapse is distinctly rare. Most physical signs and laboratory tests are normal or nonspecific. The perfusion lung scan, although nonspecific, is the best screening test. Antemortem diagnosis, with rare exception, is established by pulmonary angiography. Eleven patients have been operated on: thromboembolectomy in nine, saphenous vein graft in one and pneumonectomy in one. Operative mortality was 36 per cent (four of 11), definite improvement was seen in 46 per cent (five of 11), and 18 per cent (two of 11) survived the operation with no improvement. The role of medical therapy in this disease is considered.
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PMID:Chronic thromboembolic occlusion of main pulmonary artery or primary branches. Case report and review of the literature. 127 91

When airway obstruction is due to extraluminal compression and/or dynamic collapse, metal and silicone rubber prosthetic stents may stabilize the affected airway. Through a rigid bronchoscope, we inserted three metal stents in two patients and 18 silicone stents in 15 adult patients with symptomatic tracheobronchial compression and dynamic airway collapse. The underlying cause was malignancy in three patients; benign tracheobronchial malacia in three patients, two of whom refused surgical resection; and tracheobronchial stenosis that developed at the anastomotic site following lung transplantation in 11 patients. Clinical status and lung function studies were analyzed before and after stent insertion. Following stent insertion, airway diameter at least doubled and near normal patency of the affected tracheobronchial tree was achieved in every patient using stents of axial length 4 to 5 cm. The stents were well tolerated clinically, and all patients noted immediate relief of dyspnea. Following stent insertion, the forced vital capacity (FVC) increased from 64 +/- 21% predicted (mean +/- 1 SD) to 73 +/- 19% predicted, p less than 0.1; the forced expiratory volume in 1 s (FEV1) from 49 +/- 25% predicted to 72 +/- 26% predicted, p less than 0.02; the ratio of the FEV1/FVC from 59 +/- 16% to 78 +/- 15%, p less than 0.01; and the maximum flow at 50% expired FVC from 38 +/- 26% predicted to 72 +/- 31% predicted, p less than 0.01.
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PMID:Physiologic studies of tracheobronchial stents in airway obstruction. 141

Endobronchial laser therapy has been performed at Knightswood Hospital, Glasgow since 1983. During the period 1983 to 1990, 62 patients underwent a total of 149 laser treatments. The principal indications for therapy were tracheo-carinal stridor (24%), dyspnoea due to bronchial occlusion (60%) and haemoptysis (13%). Squamous carcinoma accounted for 80% of the lesions. Over 75% of patients had already received some form of prior therapy (radiotherapy 71%, chemotherapy 8%, surgical resection 11%). Laser therapy reduced stridor in 67% of patients with tracheal and carinal tumours and produced symptomatic improvement in 72% of patients with bronchial obstruction but without evidence of lobar collapse. Haemoptysis was controlled in all but one of patients treated. Two patients (3.2%) died during laser treatment following severe haemorrhage.
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PMID:Laser therapy for endobronchial tumours. 149 4


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