The Microvascular Doppler — An Intraoperative Tool for Aneurysm Surgery
NORNES et al. were the first to describe the application of a pulsed Doppler system for intraoperative use in aneurysm surgery (8), especially for the patency control of the parent vessels after clipping. The method was improved with the introduction of a high-resolution Doppler system and miniaturized probes developed for microvascular surgery (2, 3). After 6 years of modifications and clinical practice of their application in aneurysm surgery, the system and the probes are now so refined that they can be recommended for routine use, especially in operations which carry a high risk of disturbing the circulation, e.g., in giant aneurysms in calcified necks or in only partially visible vessels.
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