System for Measuring Non-invasive Blood Flow in the Tracheobronchial Mucosa: Validation of Reproducibility
System for Measuring Non-invasive Blood Flow in the Tracheobronchial Mucosa: Validation of Reproducibility
The primary objective of this study is to evaluate the reproducibility of a method of
 measuring blood flow rates to the tracheo-bronchial mucosa using diluted dimethyl ether as a
 tracer.
Inclusion Criteria:

 -  The patient must have given his/her informed and signed consent

 -  The patient must be insured or beneficiary of a health insurance plan

 Exclusion Criteria:

 -  The patient is under judicial protection, under tutorship or curatorship

 -  The patient refuses to sign the consent

 -  It is impossible to correctly inform the patient

 -  Patient is pregnant

 -  Patient is breast feeding

 -  The patient is a smoker

 -  The patient has, or has a history of, chronic respiratory insufficiency

 -  The patient has a contra-indication for a treatment necessary in this study