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Effectiveness of Intraoperative Nitrous Oxide for Postoperative Pain in Lumbar Spinal Fusion Surgery: A Randomized Controlled Trial.

Not Applicable
Recruiting
Conditions
Postoperative pain
Registration Number
JPRN-UMIN000048817
Lead Sponsor
Keiyu Orthopedic Hospital
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
80
Inclusion Criteria

Not provided

Exclusion Criteria

Due to trauma (fracture, nerve damage), not speaking Japanese, impaired consciousness (if difficult to assess). Complications of psychiatric disorders, history of blood disorders.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
low back pain and lower limb pain intensity (Numerical Rating Scale (NRS): 0-10) up to 48 hours postoperatively.
Secondary Outcome Measures
NameTimeMethod
(1) Postoperative numbness in the lower limb (numbness score: 0-3) (2) Dose of fentanyl by iv-PCA (3) Number of times of administration of adjuvant analgesics (4) Number of points of nausea and vomiting (5) Relationship between time to surgery and pain
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