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Effect of preemptive analgesia with different doses of butorphanol on recovery quality in patients with hemifacial spasm undergoing microvascular decompression

Effect of preemptive analgesia with different doses of butorphanol on recovery quality in patients with hemifacial spasm undergoing microvascular decompression

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1900020821
Enrollment
Unknown
Registered
2019-01-20
Start date
2019-01-22
Completion date
Unknown
Last updated
2019-01-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

hemifacial spasm

Interventions

Group A:the test drug is 5ug/kg butorphanol
Group B:the test drug is 10ug/kg butorphanol
Group C:the test drug is 20ug/kg butorphanol
Group D:the test drug is normal saline

Sponsors

Liaoning People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
25 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Primary hemifacial spasm; 2. Patients with no surgical contraindication who are scheduled to undergo microvascular decompression of the facial nerve under general anesthesia; 3. Aged 25-60 years, body mess index 18-30, ASA I or II.

Exclusion criteria

Exclusion criteria: 1. Poor patient compliance 2. Recurrence of primary hemifacial spasm after operation 3. Pregnant or lactating woman 4. A person with a well-defined diagnosis of a severe mental disorder, such as schizophrenia, manic-depressive disorder, etc. 5. Previous history of head trauma; 6. Allergy to butorphanol and its components; 7. Patients with a history of alcoholism and drug abuse; 8. Severe hepatic insufficiency or renal insufficiency before randomization; 9. Previous severe hypertension patients; 10. Patients with previous history of cerebral infarction and myocardial infarction.

Design outcomes

Secondary

MeasureTime frame
the recovery time;

Primary

MeasureTime frame
heart rate, HR;Systolic Blood Pressure, SBP;Diastolic Blood Pressure, DBP;mean arterial blood pressure, MABP;the scores of pain;the scores of postoperative agitation;the scores of ramsay;Bispectral Idex;

Countries

China

Contacts

Public ContactWang Changming

Liaoning people's Hospital

wchangming@163.com+86 17702486100

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026