The patient who undergo abdominal aortic surgery The patient who undergo infrainguinal arterial reconstruction surgery The patient who undergo non-
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The study will include all patients, aged more than 45 year, who are postmenopausal or are using a reliable means of contraception and undergo major elective abdominal aortic or infrainguinal arterial reconstruction surgery or non-cardiac thoracic surgery under general anesthesia at Maharaj Nakorn Chiang Mai hospital.
Exclusion criteria
Exclusion criteria: • Patients will be excluded if they meet any of the following criteria: 1. Already taking beta-blockers 2. Giving beta-blockers will be dangerous (e.g., known intolerance to beta-blockers) 3. Receiving current treatment for asthma/COPD 4. Presence of bradycardia (heart rate < 60 bpm) or hypotension (systolic blood pressure <100 mm Hg) 5. Plan to use a beta – blocker preoperatively or during the first 30 postoperative days for other reason 6. Concurrent use of verapamil, diltiazem or amiodarone 7. Urgent / emergency vascular surgery within 24 hr 8. Have had CABG with complete revascularization in 5 years & no evidence of ischemia since surgery 9. Active cardiac condition 10. Not give informed consent 11. Pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of perioperative myocardial injury Day 1, Day 2 and day 3 Troponin T level | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of cardiovascular event 30 day cardiovascular death, nonfatal MI and nonfatal stroke until 30 days after surgery | — |
Countries
Thailand
Contacts
Faculty of Medicine, Chiang Mai University