[Are respiratory function tests useful for screening in obstructive bronchial diseases? Contribution to a discussion].
Explore the source record for details and available documents.
SEARCH · PubMed Health
Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
In a retrospective study on 145 patients who underwent anesthesia for thoracic surgery, perioperative variables and preoperative pulmonary function tests influencing mortality and morbidity were evaluated. 3 patients (2.07%) died and 6 (4.14%) had cardiac, respiratory and other complications in postoperative 48 hours. Clinical-statistic analysis has shown the perioperative variables predictive on mortality and morbidity and operative risk: the operation type, FEV1, MVV (% theoretical), postexclusion gas analysis, Motley index (TLC/RV), intraoperative PaCO2, muscle-relaxant dose, preoperative myocardial infarction, weight, ASA, abnormal ECG, hypercreatininemia and loss of blood. MVV, FEV1, Motley index and residual FEV1 are the useful preoperative pulmonary function tests for evaluation of operative risk and surgical resection. Evaluation of operative risk in thoracic surgery shows the necessity of preoperative pulmonary function tests.
A series of 27 children (mean age: 12 yrs, 5 mos.) presenting with thoracic sarcoidosis is reported. This series, collected from 1961 to 1988 shows the rarity of the disease at that age. However the low rate of asymptomatic forms (22%) suggests that the frequency of the disease is underestimated, as it is not diagnosed. The histological proof is necessary for the diagnosis. When peripheral lesions available for biopsy are lacking, a liver needle biopsy is helpful (93% of positivity). This study shows the frequency of multivisceral types, the intensity of the macrophagic and lymphocytic alveolitis. The therapeutic indications depend on the comparison of the radiological stage, the results of pulmonary function tests (PFT), those of the bronchoalveolar lavages (BAL) and of the serum granulomatous activity markers, especially concerning angiotensin converting enzyme (ACE). When present at the beginning of evolution, several risk factors lead to use a corticosteroid treatment: age of onset before 4 years, multivisceral involvement, presence of functional pulmonary signs, delayed diagnosis and onset of treatment, impaired respiratory function (especially concerning the alveolo-capillary diffusion), PMN cells greater than or equal to 2% in the initial BAL, and IgG proteins greater than 4 SD. Thus sarcoidosis in children differs from that seen in adults as it has a more marked evolutive tendency and leaves severe sequelae in one third of patients.
Patients with Raynaud's phenomenon can demonstrate arterial spasm not only in hands but also in other organs. The aim of this study was to investigate pulmonary function in 15 patients with Raynaud's disease and in 8 healthy controls before and after cold pressor test. Before the cold pressor test no significant differences in pulmonary parameters between the patients and the controls were observed. After cold pressor test, a statistically significant decrease in diffusing capacity (DLCO) was observed in the study group, but not in the controls. Total lung capacity (TLC) was also slightly decreased. No significant changes of specific diffusing capacity (D/VA) and flow-volume curve parameters (FEF50, FEF25) were noticed.
Forty-five patients have been treated surgically for obstructive azoospermia. Fifteen underwent reversal of vasectomy and 40% of the wives became pregnant. Thirty had epididymovasostomy, and in only 2 (6.5%) did the sperm count become normal, although a few poorly motile sperms appeared in the ejaculate in a further 4 patients. Congenital abnormalities of the vasa in 7 cases and post-inflammatory blocks in 4 cases were examples of obstructive azoospermia due to well defined causes. However, in half of the patients (15 cases) the cause was obscure although it was associated with sinusitis, bronchitis or bronchiectasis (Young's syndrome). The results of pulmonary function tests in 30 cases, and electron microscopic studies of cilia from epididymes (10 cases) and bronchial mucosa (2 cases) indicated that the basic abnormality might be malfunction of the microtubules which appeared to be ultrastructurally normal in most cases. One case appeared to be associated with dietary deficiency, and correction of diet coincided with a successful result of surgery.
27 patients with diffuse pulmonary disease according to X-ray findings were examined by lung function and perbronchial lung biopsy. The lung function tests are compared with the extent of impairment of lung function expected according to lung specimen obtained by perbronchial biopsy. It is shown that lung function is a good indicator if the lung specimen is representative for the disease, and that the results of perbronchial biopsy mostly are representing the disease. The use of perbronchial biopsy is discussed and shown in some cases.
We report a prospective study of 50 patients with chronic pulmonary pathology of diverse etiology and various grades of abnormality in Pulmonary mechanics and blood gases. In all patients we performed pulmonary function test and hemodynamic study with a Dotter-Lucas catheter with and without unilateral occlusion of pulmonary artery, at rest and during exercise. Our objective was to define if one or more parameters of routine pulmonary function test could allow us to predict the condition of pulmonary circulation, and therefore identify those patients at risk of pulmonary hypertension in whom pneumonectomy could be contraindicated and in this way avoid cardiac catheterization. We did not find any correlation between the grade of abnormality in pulmonary mechanics and the severity of pulmonary hypertension. On the other hand, all patients with severe pulmonary hypertension, that precluded pneumonectomy, had severe hypoxemia (PaO2 less than 50 mmHg); patients with moderate hypoxemia (PaO2 50-57 mmHg) had pulmonary hypertension of diverse grade, that could preclude or not, pneumonectomy. We conclude that this group of patients need to be catheterized to evaluate the indication of pneumonectomy.
34 persons with CNSLD, but fit for work, were examined with the aim to record the degree of disturbance of pulmonary function and the underlying pathophysiological mechanism. The results were compared with 30 healthy subjects. The following function tests were carried out under resting conditions and bicycle ergometer exercises: Analysis of ventilation (FVC% pred., FEV1% FVC, RV% pred., RV% TLC), analysis of lung mechanic (Raw, CL) measurement of diffusion (DL, DM, Vc, DL% pred.) and analysis of lung inhomogeneity (RE/REO, V2/V1, CL6/CL100, deltaFN2/deltaV500, deltaFCO2/deltaV500,IHB). The results were analyzed and evaluated by using the digital computer C 8205. Persons suffering from CNSLD were showing among typical clinical symptoms the following disturbances of lung function: The obstructive ventilation disturbance stands in the foreground in connection with signs of inhomogeneity of lung mechanics and ventilation. While the resistance already shows the airway obstruction objectively under resting conditions, the decreased compliance is measurable at first under exercise. The disturbance of diffusion, which is pointed out, is mainly a latent decreased diffusing capacity of alveolo-capillary membrane. These disturbance of diffusion gets more importance because the inhomogeneity of lung hides the real disturbance of diffusion. The pathophysiological consequence of disturbed partial functions of respiration is the latent hypoxaemia without hypercapnia, therefore the signs of respiratory partial insufficiency.
Explore the source record for details and available documents.
The results of functional tests are analyzed in 50 cases of epidermoid bronchial cancers. Severe disorders take place in almost every patient. In one patient out of two, there is an old distension already existing prior to the cancer; in other patients gas exchange disorders can be improved by the intervention. Moreover, from some results a spreading of cancer towards the mediastinum is to be feared.
Explore the source record for details and available documents.