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Biomedical subjects

M Seurot

Publications and source records attributed to M Seurot.

27 records · Page 2Linked to original sources

[Angiography and perfusion pulmonary scintigraphy in pulmonary embolism].

Clinical signs suggestive of pulmonary embolism require diagnostic confirmation from complementary scintigraphic and/or angiographic examinations, therapy being adapted to the results obtained. A comparative study of the value of the two techniques was conducted in 20 patients with suspected pulmonary embolism investigated by a perfusion pulmonary scan and selective pulmonary angiography. Results confirmed the diagnostic superiority of angiography, the high percentage of false positives obtained by perfusion scintigraphy alone indicating the need for associated ventilatory function tests.

Adult↗

[Severe ischemia of the lower limbs after ingestion of LSD].

A case of severe limb ischaemia predominating in the legs in a young female drug addict is reported. Arteriography revealed diffuse spasm of all arteries of the lower limbs associated with localised spasm along the profunda artery in particular. These appearances regressed on control angiography performed 10 days later. The treatment which associated volume expanders and intravenous vasodilatation agents (magnesium sulphate) led to rapid improvement in the clinical condition in 3 days. There were no long-term complications. The causative role of LSD was suggested by the history of greatly increased intake in the period before the onset of symptoms. LSD is a derivative of lysergic acid, the common nucleus of the derivative of the ergot of rye. Analysis of a sample dose taken by the patient showed a very large quantity of LSD and of lysergic acid and a very small amount of other ergot alkaloids known for their peripheral vasoconstrictor effects. The circumstances following peripheral ischaemia are discussed; the association of haschich - LSD does not seem to be a factor. The increased doses and a predisposed vascular system, in common with ergot containing drugs, seem to be the major factors.

Acute Disease↗

[Spontaneous blocks by intra-atrial conduction disorders of reciprocating atrioventricular rates using a Kent's bundle].

Paroxysmal tachycardia in Type A Wolff-Parkinson-White syndrome was due to a reciprocating rhythm involving a left lateral Kent Bundle in the retrograde direction. Spontaneous interruption of the reentry resulted not from block in the normal or accessory atrioventricular pathways but from an intraatrial conduction defect: delay in conduction between the left and right atria on intraatrial reentry terminated the tachycardia.

Adult↗

[Numerical angiography in the evaluation of arterial hypertension].

Intravenous numeric angiography is a new method of medical imaging for investigation of possible renovascular causes of arterial hypertension. A non-invasive examination, it is less costly than conventional renal arteriography and can be performed in outpatients. Satisfactory images of the renal arteries were obtained in 80 p. cent of 200 hypertensive patients, and the presence of lesions was confirmed in 47 cases.

Adult↗

[Long-term angiographic surveillance of operated ascending aorta dissections].

Systematic angiographic surveillance of ascending aorta dissections demonstrates the frequency and diversity of often asymptomatic anatomical lesions. A study in 10 previously operated cases enabled differentiation with the prosthetic tube, usually implanted in the ascending aorta, of proximal postoperative lesions (residual dissection, aortic incompetence, aneurysm) which may require further surgery in the more or less long term, and distal lesions (the usual persistence of a false channel in type I dissections) which are generally left untouched.

Adult↗