stress
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Subjects scheduled for elective major surgery, age from 18 to 45; ASA (American Society of Anesthesiologists) I~II.
Exclusion criteria
Exclusion criteria: Subjects with cardiovascular and respiratory diseases which interfere with blood pressure, including hypertension above grade one, coronary heart disease, cardiac diseases; Women with pausimenia or pregnancy; patients administrated with drugs which affect blood pressure or heart rate such as ß-receptor antagonist, various types of antihypertensive drugs; Patients administrated with sedative or analgesics; Patients who can't cooperate with data collector or have psychiatric illness and metal disorders; arrhythmia; hypotension; shock; fasting over 12 hours.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| heart rate;blood pressure;respiratory rate;sleep time; | — |
Countries
China
Contacts
First Affiliated Hospital of Medical College of Shihezi University