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Biomedical subjects

C Sors

Publications and source records attributed to C Sors.

At least 37 records · Page 2Linked to original sources
PubMed1979

[Study upon oxygen conveyance in severe anaemia. About a very serious case of hemolytic anaemia which led to a myocardial infarct (author's transl].

To understand the orientation the metabolism of a sick person whose arterial content in oxygen had collapsed (CaO2 reaching 1,9 vol/100 ml) the cardiac output and the rate myocardic extraction of the lactates have been measured. The cardiac index was very high 7,4 l/m/m2 and in spite of a low D (a-v) (2,5 vol/ml) the consumption of oxygen was normal. Three days after a first measure the steep (or brutal) fall of the cardiac and the reversal of the rate of myocardic extraction of lactate led up to diagnose an acute coronary insufficiency. The electrocardiogramm only cortoborated the myocardic necrosis in a second time. This result invites (or calls for) a constant electrographic watching of sick persons who suffer from severe anaemia, even with sane coronary vessels, to avoid diagnosing coronary insufficiency through so circuitous means.

Anemia, Hemolytic↗
PubMed1979

[Cytoenzymological, immunological and scanning electron microscopic studies on 49 cases (author's transl)].

Light cytology, enzymology, immunofluorescence and scanning electron microscopy have been performed on 49 bronchoalveolar fluids recovered by bronchoscopic lavage. The patients had the following lung diseases: infectious pneumonitis (19 cases), pulmonary fibrosis (13 cases) including 5 sarcoïdosis, 3 idiopathic pulmonary fibrosis and 5 silicosis, hypersensitivity pneumonitis (5 cases) and miscellaneous lung tumors (12 cases). Cytologic studies in comparison with clinical aspects show 4 groups: Group I (chronic bronchopneumopathy and inactive fibrosis) presents numerous cells but few lymphocytes (less than 5%); in Group II (evolutive fibrosis) have an increase percentage of lymphocytes (20%); in Group III (hypersensitivity pneumonitis) is observed a very high percentage of lymphocytes (45%); and in Group IV (cancerous lung diseases) values are not far from normal percentage except for lymphomas. Small macrophages (diameter: 10 microns) with a central monocytoïde nucleus and few cytoplasma, are abundant in groups II and III where lymphocytosis is higher. Scanning electron microscopy shows irregular and rough surface, and numerous spontaneous adherences with erythrocytes, lymphocytes, or bacterias. Enzymatic activity (acid hydrolase, esterase, oxydase) increases in these cells. Lymphocytes have a smooth surface ovocative of T origin which is confirmed by granular acid phosphatase positivity and rosette forming test. Immunofluorescence shows positive granules with IgG, C1Q and C3 in macrophages only for Groups II and III while free immunoglobulins were present in the recovered lavage fluid.

Bronchi↗
PubMed1979

[A comparative study of three procedures used for studying bronchopulmonary bacterial flora (author's transl)].

Three methods of taking samples of bronchopulmonary secretions; transtracheal aspiration (TT), sputum collection, and fibro-aspiration, were compared in 43 patients with severe pneumopathies. There was no significant difference in the number of times a pure or dominant germ was isolated by using the three procedures in these 43 cases. In contrast, however, there was a significantly lower number of polymorphous flora and more sterile samples observed when using TT than with the other two methods. When antibiotics are given 1 to 7 days before taking the samples, there is a significant reduction in the number of cultures having a germ in the pure state.

Adult↗
PubMed1979

[Modalities and interest of preoperative staging in primary lung cancer (author's transl)].

The study of the extension of primitive lung cancer involves, on one hand, the determination of the locoregional extension concerning the tumator and adenopathies, and on the other hand, the determination of the metastatic extension. A careful clinical examination determines the need for complementary examinations providing decisive information for or against interventions. Systematic lung endoscopy should consist of staged biopsies. Mediastinoscopy estimates the locoregional extension in a more satisfactory manner than angiography or lung scintigraphies. The search for bone or cerebral metastasis is often negative in the absence of clinical symptomology in spite of the recent contribution of tomodensitometry. The detection of abdominal metastasis by biological examination, scintigraphies or contrast X-rays is liable to interpretational errors in one-third of the cases. It is for this reason that we preconize laparotomy before lung exeresis. In our series, among 175 laparotomies, 35 revealed abdominal metastasis whose discovery enables us to avoid useless, if not harmful, thoracic surgery.

Abdominal Neoplasms↗
PubMed1978

[Primary sarcoma of the pulmonary artery of the hemangioendotheliosarcoma type].

A case of primary sarcoma of the pulmonary artery presenting with the symptomatology of a bronchopulmonary tumour is studied in comparison with those reported up to the present in the literature. The tumour, examined in the pneumonectomy specimen, appeared to be inserted into the trunk of the left pulmonary artery with unusual propagation in the distal arteries. It had also spread into the neighbouring bronchial lumina. Histologically, the appearance was, rarely, that of a haemangioendotheliosarcoma. The histogenesis of these neoplasms is briefly discussed.

Aged↗
PubMed1978

[Short-term use of beclomethasone dipropionate in the treatment of spasmodic obstructive bronchopneumopathies].

Forty-two patients were treated with beclomethasone dipropionate in doses of 400 microgram daily for no longer than three months. There were three main indications : attempt to withdraw corticosteroids or sympathomimetics ; treatment prior to desensitization ; treatment of asthma with severe permanent dyspnea. In 8 patients, systemic steroids of sympathomimetic drugs could be withdrawn. Dosage could be reduced by 50% or more in 21 cases, and by less than 50% in 9 cases. There were 3 failures, and results were unassessable in one case. No major side-effects were observed.

Administration, Intranasal↗
PubMed1977

[Recent acquisitions concerning mediatinopulmonary sarcoidosis].

Sarcoidosis is a disease defined by two criteria: one quantitative involvement if several organs or tissues showing its systemic character) the other qualitative (presence in all affected organs of giant cell and epitheloid cell granulomas without caseation). The first seems to counter balance the absence of specificity of the second. Unfortunately, the quantitative factor may be lacking in the mediastino-pulmonary forms owing to their apparently localised character. The diagnosis is thus based on a critical study of the clinical context (age, general health radiological appearances) and indirect signs of diffusion (biopsies, immune reactions, Kweim test). The therapeutic indications should take into consideration the tendancy to spontaneous recovery which occurs in 98% of cases. Prolonged corticosteroid therapy may be difficult to stop. No treatment should therefore be given unless there are complications or associated lesions exposing the patient to the risk of severe and permanent sequelae.

Adolescent↗
PubMed1975

[Chronic respiratory insufficiency. Incidence in the results of surgical valvular replacement].

Out of 400 files of patients who underwent valvar correction between 1968 and 1974 under extra corporeal circulation by the thoracic route through median sternotomy 180 were kept for this study. All these 180 patients had a complete functional spirometric examination before operation, analysed in correlation with their valve disease. 39 of them had severe ventilatory insufficiency. Nevertheless the post-operative period was usually simple, and respiratory insufficiency was responsible for one death only of this series. These data were confirmed by the study of 45 autopsied patients who died after operation. At distance from operation, 80 patients were studied, 25 of whom had severe ventilatory insufficiency. In more than half the cases, and particularly in the mitral ones, the ventilatory deficiency was improved. Thus it is concluded that, respiratory insufficiency is rarely a contra-indication to valve replacement surgery in habitual conditions of the median sternotomy as a thoracic route.

Adolescent↗