Laser Doppler flowmetry and bone blood flow in an isolated perfused preparation
1990
A preparation of an isolated bovine forefoot was established which could be perfused with blood al variable rates. A laser Doppler flowmeter probe inserted into the cancellous bone of the metatarsal produced a signal which varied with changes in perfusion rale and oscillated in synchrony with the peristaltic perfusion pump.A stronger laser Doppler signal was obtained when the probe was inserted into a drill hole than when inserted into a hole bored with a guide wire.It appears that laser Doppler flowmetry has potential intraoperative use when the viability of bone is in question.
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