General Anesthesia vs Local Anesthesia for Endovascular Treatment in Patients With Unruptured Intracranial Aneurysm Using Flow Diverter

Phase

N/A

Condition

Aneurysm

Treatment

Different anesthesia methods, namely local anesthesia and general anesthesia

Clinical Study ID

NCT06416657

dragontiger

Ages 18-80
All Genders

Study Summary

The prevalence of unruptured intracranial aneurysm (UIA) in the population is about 2%-7%, and once it ruptures and bleeds, the rate of disability and death is extremely high, with 10%-15% of patients dying suddenly before they can seek medical attention, 35% of first-time bleeders, and 60%-80% of second-time bleeders. Survivors are often disabled. Therefore, there is a broad consensus that UIA with surgical indication should be aggressively intervened. The efficacy and safety of flow diverter (FD) in the treatment of UIA has been confirmed by many large clinical trials. Currently, FD placement for UIA is performed under general anesthesia (GA) in most centers, however, some studies have observed that FD placement under local anesthesia (LA) is not as effective as FD placement under general anesthesia and have demonstrated the feasibility of FD placement under local anesthesia (LA) with high technical success rates and low perioperative complication rates and mortality. However, the retrospective design and relatively limited sample size of the above studies may introduce significant bias and affect the confidence of the conclusions. Therefore, the present trial was designed as a randomized controlled trial with the aim of comparing the safety and efficacy of GA and LA in UIA patients undergoing FD placement. The results of this study will help inform future multicenter trials to validate the impact of anesthesia choice on the safety and efficacy in UIA patients undergoing FD placement.

Eligibility Criteria

Inclusion

Inclusion Criteria:

Age ≥18 years old and ≤80 years old, gender is not limited;
Patients with previously untreated unruptured intracranial aneurysm (UIA) clearlydiagnosed by DSA, CTA, or MRA;
UIA maximum diameter <15mm;
Baseline mRS score ≤2;
UIAs planned for treated with PED;
Patients voluntarily participated in this study and signed an informed consent form.

Exclusion

Exclusion Criteria:

The aneurysms are located distal to the anterior cerebral artery (including theanterior communicating artery), distal to the M2 segment of the middle cerebralartery, and distal to the basilar artery;
Those who are allergic to any components of the anesthetic drugs;
Severe symptoms associated with the target aneurysm at the time of diagnosis, withmRS score ≥3;
Pregnant and lactating female patients;
Severe hepatic dysfunction (ALT or AST >three times the normal upper limit) orsevere renal dysfunction (creatinine clearance rate <30 mL/min) beforerandomisation;
Patients with metal implants in the body (e.g., cardiac stents, cardiac prostheticvalves, pacemakers, metal joints, steel plates, non-removable metal dentures, etc.);
Patients known to suffer from dementia or psychiatric diseases and claustrophobiacan not complete the magnetic resonance examination;
Patients with other serious diseases combined at the time of diagnosis with anexpected survival time of less than 1 year;
Patients who are participating in clinical trials of other drugs or devices;
Other conditions that, in the judgment of the investigator, exist that areunsuitable for enrollment.

Study Design