Dye-Staining Coronary Angioscopy and Cardioscopy
Fig. 3.1 Angioscopes for coronary use (a) A fiberscope incorporated in a 5-F balloon guiding catheter with three channels a: Balloon. b: Guidewire. c: Fiberscope. d: Flush channel (b) A…
Other Vessels
Fig. 12.1 Photo of whole angioscopy system Fig. 12.2 Visualization of deep venous thrombus by using angioscope. A guiding balloon catheter is inserted through brachial or cervical vein, and heparinized…
Structure and Principle of Angioscope
Fig. 1.1 Principle of the optical fiber. Circumference material should be a water-containing fluid, so that refractive-index matching is assumed. Refraction on the tip of fiber is omitted. Incident angle…
Pharmacological Intervention
Macro-morphological aspect Thin cap with large lipid core (Thin-cap fibroatheroma: TCFA) Positive remodeling Glistening or intense yellow plaque Fissured plaque Superficial calcified nodule Spotty calcification Intraplaque hemorrhage Severe stenosis Micromorphological…
Peri-stent Contrast Staining
Fig. 16.1 Serial changes of contrast staining outside the sirolimus-eluting stent [7]. A 69-year-old man was treated with a SES (3.0 mm diameter × 33 mm long) implantation for chronic total occlusion lesion of…
Acute Coronary Syndrome vs. Stable Angina Pectoris: Angioscopic Point of View
Devices Advantages Disadvantages Angioscopy Good surface visualization (color, thrombus) Effect of blood noise High resolution (10–50 μm) Unable to visualize the entire circumference Forward viewing Unable to observe deep tissue Difficult…
Angioscopic Evaluation of In-Stent Restenosis
Fig. 18.1 A case of early in-stent restenosis who received bare-metal stent. Angioscopy revealed complete coverage with white plaque Fig. 18.2 Red thrombus (arrows) around stent struts Fig. 18.3 A…
Quantification of Angioscopy
Fig. 13.1 L*a*b* color space Fig. 13.2 b* value with different light intensity levels. The b* values of No. 2, No. 3, and No. 4 are the same after proper…
System and Procedure of Nonocclusion Type of Angioscopy
Fig. 5.1 Fiber catheter of nonocclusion type of angioscopy and imaging system. (a) This device has a built-in a light source and a CCD camera. (b) This catheter is 6,000…
The Role of Multiple Imaging Modalities to Disclose the Mechanism of ACS Angioscopy in Comparison to Other Imaging Modalities Including OCT, IVUS and CTA
RFC-ACS IFC-ACS Stable angina p-value Patients (n) 25 10 22 Age (years) 63.7 ± 10.1 61.5 ± 8.2 62.6 ± 8.2 Male (n, %) 25 (100) 8 (80) 22 (100) 0.007 Clinical presentation (n,…
