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From angiography to angioscopy: informal discussion
B S Cortis1, D M Harris, J Principe
1Chicago Medical School and the Department of Otolaryngology--H and S, University of Illinois and Wensky Laser Center, Chicago, Illinois, USA.
Texas Heart Institute Journal
|September 1, 1986
Summary
Angioscopy has advanced significantly, enabling visualization of coronary artery orifices and laser angioplasty. Further development is needed to optimize angioscopy for various vascular interventions and diagnostics.
Area of Science:
- Vascular imaging and interventional cardiology.
Background:
- The evolution of angioscopy traces from early rigid tubes to modern flexible fiberoptic devices.
- Recent advancements allow visualization of coronary artery orifices and simultaneous laser angioplasty.
Purpose of the Study:
- To review the historical development and current capabilities of angioscopy.
- To identify key requirements for realizing the full therapeutic and diagnostic potential of angioscopy.
Main Methods:
- Historical review of angioscope development.
- Discussion of recent fiberoptic advancements and applications.
- Identification of essential technical requirements for future angioscopic devices.
Main Results:
- Angioscopy has progressed from simple illuminated tubes to sophisticated fiberoptic instruments.
- Hematoporphyrin derivative fluorescence can be visualized in atherosclerotic plaque.
- Several technical improvements are necessary for widespread clinical application.
Conclusions:
- Angioscopy shows promise for angioplasty, thrombolytic therapy, and vascular inspection.
- Key requirements include varied angioscope sizes, percutaneous introducers, improved flexibility, balloon tips, optical referencing, and optimal focal lengths.