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Biomedical subjects

J Rauste

Publications and source records attributed to J Rauste.

At least 19 recordsLinked to original sources
PubMed1986

Diagnosis of acute knee ligament injuries: the value of stress radiography compared with clinical examination, stability under anaesthesia and arthroscopic or operative findings.

A consecutive series of 85 stress radiographic examinations was performed in order to evaluate the clinical reliability and use of stress radiography in disclosing acute knee ligament injuries. Eighty-three examinations were performed within one week of the injury. Sagittal stress examination discovered 27% of the 37 anterior cruciate ligament (ACL) tears and all four posterior cruciate tears. Valgus stress detected 56% of the medial collateral tears. The specificity of stress radiography was even reduced by the number of false positive stress results (n = 25) in posterior drawer or valgus-varus examinations. An ACL tear was, however, an isolated or major ligament injury in twenty (80%) of the false positive results. Clinical examination revealed all the medial collateral tears whereas only 40% of the anterior cruciate tears. The most reliable method for diagnosing acute knee injuries where clinical examination has failed in disclosing instability is examination under anaesthesia supplemented by acute arthroscopy.

Adolescent↗
PubMed1982

Occlusion of the right pulmonary artery: a rare, late complication of radiation therapy.

Two cases of total occlusion of the right pulmonary artery 22 and 28 years after mediastinal irradiation are presented. The first patient is alive 29 years after the radiation therapy, and the second patient died of heart failure 31 years after the therapy. This very rare complication is one cause of radiological unilateral hyperlucent lung syndrome. The diagnosis can be confirmed by clinical history, clinical examination, chest roentgenogram, lung scan and pulmonary angiography.

Adult↗
PubMed1978

Calcification in cervical arteries in life and at autopsy.

In the clinical part of the study routine neck PA radiographs taken with the mouth open were compared with soft tissue films with the mouth closed for detection of calcification in the carotid arteries. Only 5.5% of 90 hospitalized patients showed foci of calcification in routine films. But foci of calcification were seen in 22% of the soft tissue radiographs of the whole series. In the autopsy part of the study large foci of calcification were found at the carotid bifurcations in 12 out of 20 cadavers by radiography. In an additional five cases contact radiographs also showed smaller foci of calcification. The vascular endothelium over the calcification was often ulcerated. The significance of the large arterial foci of calcification demonstrated in the neck radiographs as a sign of atherosclerosis and as a source of cerebral thromboembolism is discussed.

Adult↗
PubMed1977

The effect of digoxin on the contractility of transplanted heart.

The effects of digoxin on the contractility of orthotopically transplanted heart was studied in dogs. Intravenously administered digoxin produced a fall in the rate and output of the transplanted heart without any change in stroke volume, whereas the output of the intact heart was slightly improved due to a small increase of stroke volume. This difference was thought to be due to the action of digitalis which is mediated via the nervous pathways, which are interrupted in the transplanted heart.

Animals↗
PubMed1977

Semiselective renal angiography, a useful method for evaluating the vascular supply in both kidneys.

A list of methods of semiselective renal angiography is presented. One of these methods is described. A series of 151 semiselective and 41 aortorenal angiographies is analyzed. The results are evaluated by comparing the visualization of the peripheral renal arteries and by comparing the opacification of other cranial branches of the abdominal aorta. Semiselective renal angiography is a useful method in cases requiring the examination of both kidneys.

Angiography↗
PubMed1976

Solitary renal cyst, hypertension and renin.

Solitary renal cysts may cause renin hypersecretion with associated hypertension by compressing surrounding tissue and by distortion of renal vessels. Selective measurements of plasma renin activity in the renal veins can predict the antihypertensive effect of decompression. An illustrative case is presented and its significance is discussed.

Adult↗
PubMed1976

Lymphographic changes caused by lymph node metastases in carcinoma of the suprarenal glands.

In the literature reviewed, only two articles were found describing lymphographical changes caused by metastases of malignant adrenal tumours. A patient with anaplastic carcinoma of the suprarenal gland is presented here. In this patient, postoperative retroperitoneal lymphography with control films was of vital importance for the planning of post-operative treatment and follow-up.

Adrenal Gland Neoplasms↗
PubMed1976

Lymphographical findings in disseminated tuberculosis without radiological lung manifestations.

Lymphographical findings are presented in three patients with verified tuberculosis. The diagnosis of tuberculosis was difficult in these patients because there were no actual changes in chest radiographs and the clinical findings were generally nonspecific. In each patient, lymphographic changes in lumbar lymph nodes were established. These changes corresponded to those described in the literature in connection with tuberculosis. Thus, the lymphographical findings can here be considered to be a further criterion for the diagnosis of tuberculosis. Lymphographical follow-up also proved beneficial in the follow-up of treatment results in one patient. Suspected tuberculosis, in which local findings cannot be made available by other means, can be regarded as one of the indications for a lymphography.

Adult↗
PubMed1975

The effects of beta-adrenergic agents on the contractility of transplanted canine heart.

The effects of isoprenaline and adrenalin on the myocardial contractility of transplanted heart were studied in 6 mongrel dogs which had undergone orthotopic cardiac transplantation. Isoprenaline and adrenaline produced a fall in end-diastolic and end-systolic volumes, and an increase in stroke volume, cardiac output and velocity of contraction when the heart rate was increased. Similar changes were observed in 4 mongrel dogs tested as controls, with the exception of a less pronounced increase of cardiac output after administration of isoprenaline and adrenalin and a fall in stroke volume associated with a higher acceleration of heart rate after administration of isoprenaline. These minor differences between the transplanted and intact heart were thought to be a reflexion of the increased blood volume following heart transplantation.

Animals↗
PubMed1975

Regional renal blood flow in hypertensive patients.

Renal blood flow measurements in three regions of each kidney were carried out in eighteen hypertensive patients using the radioactive Xenon-133 washout technique in conjunction with renal angiography. It was found that the regional differences were generally small but differences existed in four patients significant in spite of normal angiographic findings. The reduction in blood flow in the two kidneys was generally of the same degree which implies a uniform response to the elevated blood pressure.

Adult↗