Hypotension after general anesthesia induction
Conditions
Interventions
The group of patients who underwent laparoscopic surgery:None
Sponsors
Second Hospital of Shanxi Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18–65 years, willing to participate in this study, and able to provide written informed consent; 2. ASA physical status I–III; 3. Conscious and alert; 4. Sinus rhythm; 5. Patients whose electrocardiogram collection, left ventricular outflow tract velocity-time integral measurement sites, and inferior vena cava collection sites are not covered with gauze or bandages.
Exclusion criteria
Exclusion criteria: 1. Difficult airway management or intubation; 2. Baseline mean arterial pressure (MAP) below 70 mmHg; 3. Non-sinus rhythm, stroke, mental disorders, peripheral vascular disease, or presence of an implanted pacemaker or cardioverter-defibrillator; 4. Long-term use of angiotensin-converting enzyme inhibitors (ACEIs) / angiotensin receptor blockers (ARBs); 5. Severe heart disease, unstable angina, or ejection fraction below 40%
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Baseline characteristics (including gender, age, body mass index, ASA class, preoperative Hb, pre-anesthesia fasting time and fluid volume,comorbidities [hypertension,diabetes],baseline systolic blood pressure, diastolic blood pressure, mean arterial pressure,heart rate);Anesthesia-related data (including baseline LVOT-VTI, PI, SBP, DBP, MAP, HR, intraoperative dosages of etomidate, sufentanil, and rocuronium, as well as post-anesthesia hemodynamic data).; | — |
Countries
China
Contacts
Public ContactQiao Jingwen
Second Hospital of Shanxi Medical University
Outcome results
None listed