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Biomedical subjects

W Schoop

Publications and source records attributed to W Schoop.

117 records · Page 7Linked to original sources
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Semiquantitative assessment of lower limb atherosclerosis from routine angiographic images.

In the present report a score system is introduced with the aim of analysing routine angiographic images. The system consists of a vectorial score, which codes the pattern of occlusions, stenoses and plaques, and of an additive score describing the severity of the lesions visualised. The technique is suitable for computerised data analysis.

Arterial Occlusive Diseases↗
PubMedDate not supplied

Historical aspects on the development of angiology in Germany.

Clinical angiology is mainly concerned with vessels and disorders of circulation which can be detected and appraised with clinical methods. The arteries and veins of the limbs as well as the major extracranial arteries supplying the brain are primarily involved. The consequences of a peripheral arterial disease were initially recognized as being due to disorders of blood flow only in their most severe forms. A certain correlation of organic arterial alterations with the clinical finding was first made possible by angiography. Initially, both surgeons and internists directed their attention to this new field. However, since only surgery could offer therapeutic measures promising success, angiology could not become established in internal medicine. Deviating from this general development, Ratschow in Germany and in German-speaking countries and regions was able to create the precondition for an internal medical angiology and to attract the clinical and scientific interest of young internists in this field. The development of modern angiology, which began in the 1950s with the introduction of reconstructive arterial operations hence encountered surgical and internal medical activities in German-speaking countries. In parallel with the improvement in the methods of surgery, the internist angiologists developed thrombolysis and catheter recanalization (angioplasty) into efficient methods of treatment. In addition, the purely conservative techniques of therapy (training, vasoactive substances, rheological methods, medical prophylaxis) as well as noninvasive diagnostics were improved. The ideal concept which is aspired to at present and which has already been put into practice in many places consists in constructive collaboration of internal medical angiology and reconstructive vascular surgery, if possible with the assistance of vessel-oriented radiology.

Germany↗
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Hemodynamic assessment of the iliac disease by proximal thigh pressure and Doppler femoral flow velocity.

In 22 normal and 51 limbs with arterial occlusive disease, upper thigh blood pressure at rest and after the knee exercise, Doppler flow velocity tracing at the common femoral artery, and the mean femoral velocity tracing during the postischemic reactive hyperemia were investigated. These results were compared with angiographic findings, and the diagnostic value for assessing the iliac disease was discussed. Measurement of the upper thigh pressure after the knee exercise enables prediction of the significant stenosis of the iliac artery. The pressure index of 0.55 or less after exercise indicates a significant disease in the iliac artery, which should be corrected prior to distal vessel reconstruction or percutaneous vascular recanalization.

Arterial Occlusive Diseases↗