Microdialysis is admitted to be reliable by numerous surgeons to monitor flaps. Nevertheless, a few authors reported follow up with microdialysis in bone flaps, and they all described the position of the catheter in the surrounding soft tissue muscle. This surrounding soft tissue is not always the reflect of bone vascularisation. The aim is to study the feasibility of a follow up of microanastomosed bone flaps with microdialysis. To reach this goal, investigators perform a clinical prospective research project untitled MTM project
In addition to our classical clinical monitoring, bone microanastomosed flaps for reconstructive facial surgery will be monitored with CMA 70 catheter directly positioned in bone tissue. The monitoring is recorded during 5 days. Glucose, lactate , pyruvate , glycerol rates will be analysed : * every hour at day 1, * every two hours at day 2, * every three hours at day 3,4 and 5. Data are managed with Labpilot software.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
34
At the end of the surgery the CMA microdialysis catheter is placed inside the bone
Amiens University Hospital
Amiens, Picardie, France
Feasibility study of monitoring bone free flaps with microdialysis (catheter directly positioned in bone tissue)
Success of microdialysis is defined as the collection and measurement of metabolites levels as: lactate, pyruvate,glycerol and glucose.
Time frame: Day 5 after catheter insertion
Evaluation of "flush-out" period
Time required to acquire interpretable data after opening microdialysis circuit
Time frame: Day 5 after catheter insertion
Compliance of the prescription
Compliance rate of simples collected and analysed
Time frame: Day 5 after catheter insertion
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