Low blood pressure after lumbar numbness
Conditions
Interventions
Observational group:None
Sponsors
Second Hospital of Shanxi Medical University
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >=65 years; 2. ASA physical status II-III; 3. Cardiac function class I-II; 4. Body mass index (BMI) 18-30 kg/m^2.
Exclusion criteria
Exclusion criteria: 1. History of neck surgery or trauma; 2. Abnormal preoperative carotid ultrasound findings (including plaques, stenosis, or anatomical variations); 3. History of cardiomyopathy or valvular heart disease; 4. Presence of arrhythmia; 5. Pulmonary hypertension; 6. Change in anesthetic or surgical approach; 7. Patient refusal.
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 FTc, SBP, DBP, MAP, HR, ropivacaine dosage during anesthesia, temperature sensory block level, post-anesthesia hemodynamic data); | — |
Countries
China
Contacts
Public ContactJiang Xiaorui
Second Hospital of Shanxi Medical University
Outcome results
None listed