Veins amenable to EVLA Great saphenous vein Small saphenous vein Anterior accessory saphenous vein Anterior thigh circumflex Posterior thigh circumflex Intersaphenous vein Perforators Indications favoring EVLA Large diameter veins (>10 mm)…
Fig. 5.1 Compression therapy relies on placement of circumferential garments that provide pressure on the leg with maximal intensity at the level of the ankle These laws, however, do…
Fig. 2.1 Recording of ambulatory venous pressure at rest and during ten tiptoe movements in a patient with varicose veins and saphenofemoral incompetence. The first recording was without a below-knee…
Fig. 31.1 Concepts for non-invasive assessment of myocardial ischemia 31.2 Perfusion CT The strength of perfusion imaging is visualizing the myocardial blood flow on which myocardial metabolism depends. Perfusion MR…
Fig. 20.1 Functional anatomy of coronary arterial system. The coronary artery system has three components with different functions: conductive epicardial coronary arteries, arterioles, and capillaries although the borders of each…
Histopathologic findings Image features OCT IVUS Calcification Heterogeneous Very high reflectivity Sharply well-delineated Shadowing Low reflectivity Low attenuation Fibrous plaque Homogeneous Homogeneous High reflectivity High reflectivity Low attenuation Lipid pool…
Blush 0 No appearance of blush or opacification of the myocardium Blush 1 Presence of blush but no clearance of contrast (stain is present on the next injection) Blush 2…
Fig. 15.1 Representative images of pre-procedural OCT images with poor preparation. Visualization of the distal portion of the MLA was not achieved because contrast agent could not pass the MLA…
Fig. 18.1 Representative optical coherence tomography (OCT) image of metal stent. OCT has a limitation to be unable to show the vessel behind the metal stent which is powerful light…
Fig. 19.1 (a) Coronary angiography of a patient presenting with unstable angina shows a significant left main ostial stenosis (arrow) with concomitant ambiguous angiographic lesion in proximal left anterior descending…
