About this trial
This topic will focus on the following questions:
1. Part one: To clarify the relationship between preoperative frailty and myocardial injury (cTnT ≥0.03) after non-cardiac surgery in elderly patients; To further explore the predictive factors of myocardial injury after non-cardiac surgery (MINS) in elderly frail patients before operation. 2. Part Two: To explore the effect of low-dose esmolol on myocardial injury after non-cardiac surgery in frail elderly patients.
Eligibility criteria
Qualifiers
Age ≥ 65 years;
ASA: ⅰ-ⅳ;
Modified frailty index (mFI) ≥ 0.21;
Patients undergoing non-cardiac surgery.
Disqualifiers
Refuse to participate;
Expected hospital stay <3 days;
Preoperative β-blocker therapy;
History of myocardial infarction or coronary artery disease;
Trial design
Treatments tested in this trial
- Esmolol
- Placebo Comparator: Placebo Comparator:normal saline(0.9%)
Treatment groups
Sponsors and collaborators
Yongtao Sun
Lead sponsor
Qianfoshan Hospital
Sponsor institution