About this trial
This study is a randomized, controlled trial. A total of 92 patients will be randomized to receive sufentanil or remifentanil during extracranial-intracranial bypass surgery.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients who undergo elective extracranial-intracranial bypass surgery
American Society of Anesthesiologists grade 1,2,3
Age > 18 years old
Disqualifiers
Refuse to participate to the study
American Society of Anesthesiologists grade 4
Body Mass Index < 18.5 kg/m2 or > 35 kg/m2
Allergic history of opioid
Trial design
Parallel
Treatments tested in this trial
Sufentanil
DrugInduction: sufentanil TCI 0.3 ng/ml Maintenance: sufentanil TCI 0.05-0.5 ng/ml
Remifentanil
DrugInduction: remifentanil TCI 3 ng/ml Maintenance: remifentanil TCI 0.5-5 ng/ml
Treatment groups
Trial outcomes
Primary outcomes
Intraoperative hypotension
MAP \< 80 mmHg
Secondary outcomes
Inotropic requirements
cumulative doses of inotropics during surgery
Incidence of bradycardia
heart rate \< 40/min
Incidence of tachycardia
heart rate \> 100/min
Maximum systolic blood pressure
maximal systolic blood pressure
Sponsors and contacts
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