Stimulating Catheter With or Without Ultrasound Guidance

Peking University

Status and phase: Unknown; Phase 4

Conditions: Pain

Treatments: Device: NUUS

Study type: Interventional

Funder types: Other

Identifiers

NCT00980577

PUTH7275

Details and patient eligibility

About

To study whether the combination of ultrasound guidance and stimulating catheter could reduce the time for needle and catheter insertion compared with using stimulating catheter alone. Secondary outcomes: analgesic effects after the surgery.

Enrollment: 100 estimated patients

Sex: All

Ages: 30 to 90 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Elective primary total knee replacement surgery under neuraxial anesthesia ASA<=4
• Able to give informed consent
• Able to cooperate with sensory and motor testing of lower limb function

Exclusion criteria

• coagulopathy
• Allergy to local anaesthetic or postanalgesic rescue regimen
• Signs, symptoms or laboratory evidence of local infection or systemic sepsis
• No pre-existing neurological deficit (sensory or motor) affecting lower limb
• Patients with lower limb amputations

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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100 participants in 1 patient group

NS

Active Comparator group

Description:

stimulating catheter will be inserted using stimulator

Treatment:

Device: NUUS