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Biomedical subjects

E Robin

Publications and source records attributed to E Robin.

At least 55 records · Page 3Linked to original sources
PubMed1982

Prognostic factors in patients with non-small cell bronchogenic carcinoma and brain metastases.

Prognostic factors were examined in 38 patients with nonsmall cell lung carcinoma and brain metastases. The most important factors were the response to total therapy (corticosteroids, radiotherapy, and chemotherapy) and the presence of brain metastases alone; these factors had the most impact on survival. Age, sex, histologic type of lung cancer, and initial performance status were not prognostically important. Our results indicate that certain subgroups of patients with nonsmall cell lung carcinoma and brain metastases have a favorable prognosis and should be treated aggressively.

Adenocarcinoma↗
PubMed1981

Induction of lymphomas in mice by busulfan and chloramphenicol.

Busulfan causes long-lasting defects in the hematopoietic stem cells and in the immune system of mice. We designed studies to determine whether chloramphenicol further damaged the already defective hematopoietic stem cells of mice that were pretreated with busulfan, and we unexpectedly observed that mice given injections of the combination of busulfan and chloramphenicol developed lymphomas in relatively high incidence. The disease is invariably associated with splenomegaly and enlargement of the thymus. Leukocytosis with lymphoblasts in the peripheral blood occurred in some affected mice. The malignant cell is a lymphoblast of thymic origin. Thirteen of 37 mice which received both busulfan and chloramphenicol developed lymphomas. An additional five of the remaining 24 mice without proven lymphoma died and were not autopsied. Twelve of the 13 proven lymphomas developed within 280 days from the start of the experiment. Four of the 35 mice treated with busulfan alone developed lymphomas, and an additional five of the remaining 31 died but were not autopsied. Two of 41 mice treated with only chloramphenicol developed lymphomas. Of the mice treated with either busulfan or chloramphenicol alone that developed lymphomas, all did so more than 280 days from the start of the experiment. None of the control mice developed lymphoma. We conclude that both busulfan and chloramphenicol may induced lymphomas in mice that are not known to develop them spontaneously. The combination of both busulfan and chloramphenicol increased the frequency and accelerated the onset of the disease.

Animals↗
PubMed1979

Shark heart mitochondria: effects of external osmolality on respiration.

Shark mitochondrial respiration was studied in media with osmolalities between 160 and 1500 milliosmoles. The respiratory control ratio, a marker for functional integrity of the isolated mitochondria, was maximal at 1000 millismoles and decreased during hypotonic or hypertonic exposure. Shark mitochondria function best at their native tonicity, a value that produces abnormal function in mammalian mitochondria.

Adenosine Diphosphate↗
PubMed1976

Correlation of cold pressor response with coronary atherosclerosis and left ventricular performance.

A comparison of cold pressor response with coronary arteriography and left ventriculography was made in 26 consecutive patients having chest pain suggesting coronary heart disease. Patients with normal coronary arteriograms and normal left ventriculograms showed normal cold pressor responses. Patients with coronary atherosclerosis and normal left ventricular performance showed an exaggerated cold pressor response, whereas patients with severe coronary atherosclerosis and poor left ventricular performance did not exhibit an exaggerated cold pressor response. In patients with inferior wall myocardial infarction having dyskinesia or akinesia of the inferior wall, the cold pressor response was not impaired. In contrast, patients with anterior wall myocardial infarction and dyskinesia or akinesia of the anterior wall showed a marked impairment of the left ventricular performance and no exaggeration of the cold pressor response.

Cold Temperature↗
PubMed1975

Aortic orgin of the left pulmonary artery. Variant of tetralogy of Fallot.

A case of tetralogy of Fallot with aortic origin of the left pulmonary artery is presented. This rare malformation should be suspected in a child with stunted growth, cyanosis, a continuous murmur over the pulmonary area and a hypervascular left lung on chest roentgenogram. Final diagnosis depends upon cardiac catheterization and angiocardiography. During surgical correction of the tetralogy, the left pulmonary artery can be divided from the aorta and anastomosed to the main pulmonary artery.

Abnormalities, Multiple↗
PubMed1975

Hemodynamic consequences of total removal of the tricuspid valve without prosthetic replacement.

Tricuspid valvulectomy without prosthetic replacement has been advocated as a life-saving measure in the treatment of Pseudomonas endocarditis of the tricuspid valve. This report describes the hemodynamic data obtained in 10 patients before and after removal of the tricuspid valve. Seven patients remained free of carciac decompensation, but right heart failure developed in three. Analysis of the preoperative data did not permit differentiation of these two groups of patients.

Blood Pressure↗