Microdialysis is admitted to be reliable by numerous surgeons to monitor flaps. Nevertheless, a few authors reported follow up with microdialysis in bone free flaps, and they all describe the position of the catheter in the surrounding soft tissue muscle which is not the accurate reflect of bone vascularisation. The aim of this study is to determine the lactate/pyruvate ratio mean value in bone free flaps with a microdialysis catheter directly positioned in the bone tissue.
Age range
18 Years
Sex
ALL
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Change from Baseline of lactate/pyruvate ratio in patients without free flap ischemia
Timeframe: every hour during the day of surgery
Change from Baseline of lactate/pyruvate ratio in patients without free flap ischemia
Timeframe: every 2 hours at day 1 after surgery
Change from Baseline of lactate/pyruvate ratio in patients without free flap ischemia
Timeframe: every 3 hours at days 2, 3 , 4 and 5 after surgery