Elderly hypertensive patients
Conditions
Interventions
control group:nothing
superior laryngeal nerve block group:ultrasound guided superior laryngeal nerve block
Sponsors
Suining Central Hospital
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.elderly hypertensive patients requiring general anesthesia for elective surgery; 2.all patients had a history of hypertension (all meet the diagnostic criteria of senile essential hypertension in the 1999 who / LSH guidelines for the treatment of hypertension, and the disease duration is > 1 year). All patients are treated with oral antihypertensive drugs before operation, with blood pressure controlled below 160/90mm Hg; 3.age 65-80 years old, gender unlimited; 4.ASA class II-III;
Exclusion criteria
Exclusion criteria: 1.secondary hypertension; 2.the function of heart, brain, liver, lung, kidney and other important organs were severely abnormal before operation; 3.electrolyte disturbance; 4.preoperative assessment of patients with difficult airway;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood stress response indicators: plasma concentrations of epinephrine, norepinephrine, cortisol, and angiotensin II; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic index: SBP, DBP, HR;the occurrence of adverse events: hypertension, hypotension, tachycardia, bradycardia, etc.; | — |
Countries
China
Contacts
Public ContactHong Liu
Suining Central Hospital
Outcome results
None listed