None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: After obtaining the written informed consent, adult patients (aged 30 -90 yr) with American Society of Anesthesiologists physical status classification I to II scheduled for elective unilateral arthroscopic shoulder surgery using stanadardized general anesthesia are divided to four groups.
Exclusion criteria
Exclusion criteria: pregnancy, uncontrolled hypertension (systolic blood pressure>=170mmHg), contralateral lung disease, allergic reaction to local anesthetics or dexmedetomidine, failure to provided written informed consent, systemic infection body weight >=90kg
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| duration of analgesia | — |
Secondary
| Measure | Time frame |
|---|---|
| hemodynamic changes (blood pressure, heart rate) | — |
Countries
Korea, Republic of
Contacts
The Catholic University of Korea, St. Vincent's Hospital