None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.aged more than 20 years 2. American Society of Anesthegiologist (ASA) class 1, 2 3.undergoing arthroscopic shoulder surgery in the beach chair position
Exclusion criteria
Exclusion criteria: 1. a history of cerebrovascular accident or surgery 2. uncontrolled hypertension 3. angina pectoris 4. renal disease 5. anemia 6. Patients having any contraindication to interscalene block
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| S 100 ß | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure | — |
Countries
Korea, Republic of
Contacts
Hallym University Medical Center- Chuncheon