[Immunogenetic aspects of the determinism and evolution of chronic obstructive bronchopneumopathy (COBP)].
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Biomedical subjects
Publications and source records attributed to M Cristea.
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The therapeutic results were followed of amoxycilline after application in 57 cases of chronic bronchitis and bronchial dilatations that had been treated previously with antibiotics (including ampicillin--in 37 cases). The amount of amoxycilline was of 2 g per day, given in four 0,5 g doses. A total of 23,3 percent "very good" results were obtained (expectoration either disappeared completely or was reduced to 2--3 ml per day), and 40,4 percent "good" results (with expectoration down to less than one half of the initial amount). Thus in two-thirds of the cases the results were favourable. The cases that did not respond to ampicilline gave only 10,8 percent "very good" results but the "good" results represented 51,3 percent, indicating an increased efficiency of the new drug as compared with ampicilline. The serum levels of Amoxycilline (9,4 mg/ml after 2 hours, and 4,4 mg/ml after 4 hours), when a 0,5 g dose was given every 6 hours, assure a continuous and efficient bacteriostatic concentration. No significant adverse reaction were noted.
The authors have investigated 93 cases with sero-fibrinous pleurisy in their antecedents, and that had kinetotherapy during their disease. All the cases were controlled from the viewpoint of the respiratory function, as well as by radiological and electrocardiographic methods. Changes in the ventilatory function were evaluated by increased VEMS in absolute value in contrast with the VEMS value on hospitalization. The general late results of respiratory kinetotherapy were reflected in the fact that 84% of the cases presented either significant increase in the value of VEMS (56%), or had stationary values (28%). The most significant functional increases were noted in the patients who were under the age of 18 years upon release from hospital (median age : 14,8 years), and were mostly due to somatic development, and physical activity. The positive effects of physical activity in the frame of the occupation of the patients were amplified by respiratory kinetotherapy continued at home. Respiratory kinetotherapy demonstrated its efficiency especially in the subjects from lowage groups, and males had better results than females. Advanced age, important pleural sequels, as well as other disturbances, without apparent relation to the pleurisy, had negative effects. In the present conditions of treatment (chemotherapy + corticoid therapy and immediate and long-duration kinetotherapy) sero-fibrinous pleurisy has no significant impact on the socio-professional evolution of the patient.
A total of 477 cases have been followed, presenting with chronic obstructive bronchopneumopathy, and another 151 cases with chronic bronchitis without obstructive syndrome, over a median duration of 5 years. In the first lot of patients 37 cases of bronchopulmonary cancer have been recorded over this period of time, of which 35 in 333 male patients (10.5%), and 2 in 144 women (1.4%). The annual rate of bronchopulmonary cancer was of 1.9% in males, and of 0.2% in females. In the group of patients with simple bronchitis only 3 cases of bronchopulmonary cancer have been recorded, with an annual rate of 0.4%. In male patients with chronic obstructive bronchopneumopathy the annual risk of bronchopulmonary cancer is of 1900 0/0000, 60 times greater than in the general population, where it is of 30 0/0000. A comparative analysis of the three groups: chronic simple bronchitis, chronic obstructive bronchopneumopathy and chronic obstructive bronchopneumopathy complicated with bronchopulmonary cancer shows that in the last group there are several outstanding features: a more advanced median age, intensive (heavy) smoking, a more advanced degree of chronic alcohol intoxication, frequent professional exposure, genetic deficiencies of I.A.T., prolonged corticoid therapy in the antecedents, and a higher proportion of associated diseases. In general this group is more exposed to risk factors, and has a higher risk of alteration of the defense mechanisms of the organism. However, a more detailed analysis is necessary for detecting the factors involved in the genesis of bronchopulmonary cancer in patients with chronic obstructive bronchopneumopathies.
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Two types of cell cultures, BSC and HE-p2, have been studied from the microelectrophoretic point of view. Determinations have been made for infected cells (collected at 48 or 72 hours after infection) and for control cells, immediately after their separation from the culture, or after preserving them for 24 hours or more in migration buffer. The electrophoretical mobility increases with an average of 10% in the case of infected cells, as compared to the controls. This parameter offers a distribution of values varying from the gaussian curve to the bimodal one. From the microelectrophoretic point of view, the HEp-2 cells are more stable and respond more uniformly than BSC cells.
Viral and serological studies led to the conclusion that parainfluenza type 3 and influenza type A(H3N2) viruses were the most implicated in the etiology of acute respiratory diseases (ARD), viral pneumonia and clinical influenza in nine districts of the south-east area of Romania during the November 1992--March 1993 period. Epidemiological survey pointed on the 0-1 year group of age as the most affected by the above mentioned respiratory diseases.
Viral and serological studies led to the conclusion that parainfluenza type 3 and influenza type A(H3N2) viruses were the most implicated in the etiology of acute respiratory diseases (ARD), viral pneumonia and clinical influenza in nine districts of the south-east area of Romania during the November 1992-March 1993 period. Epidemiological survey pointed on the 0-1 year group of age as the most affected by the above mentioned respiratory diseases.