Stimulating Catheter With or Without Ultrasound Guidance

Peking University Third Hospital100 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

TRIPLE

Enrollment

100

Conditions

Pain

Interventions

NUUSDEVICE

Sonosite Micro Maxx

Eligibility

Sex: ALLMin age: 30 YearsMax age: 90 Years

Medical Language ↔ Plain English

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

Locations (1)

Peking University Third Hosptial

Beijing, China

RECRUITING

Outcomes

Primary Outcomes

time and number of attempts to perform block, the efficacy of the block

Time frame: during the block procedure

Secondary Outcomes

postoperative analgesic effect

Time frame: pod 1-3

Central Contacts

Min Li, MD

CONTACT

86-10-82266688 liminanesth@yahoo.com.cn

Xuedong Wang, MS

CONTACT

86-10-82266688 wangxuedong1216@sina.com

Data from ClinicalTrials.gov

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