Ultrasound vs. Predetermined Distance Techniques for Paravertebral Nerve Block in Patients Having Breast Surgery

Status unconfirmed · Not applicable

Conditions studied: Mastectomy, Breast Neoplasms

In brief

The purpose of this study is to compare ultrasound and predetermined distance techniques for finding the paravertebral space to inject the local anesthetic (numbing medicine) when you are given anesthesia for surgery. The paravertebral space is located on either side of the spinal cord and contains the nerves that provide sensation to the chest wall. The predetermined distance technique is a series of measurements taken to determine the location of the paravertebral space where the local anesthetic is injected. The ultrasound technique uses direct visualization of the local anesthetic being placed in the paravertebral space. This type of anesthesia has many benefits including decreasing your pain after breast surgery.

Key facts

Study ID

NCT01217593

Run by

Ochsner Health System

People needed

60

Starts

2010-10-01

Expected to finish

2016-10-01

Last updated by the study team

2014-03-21

Who can join

Age: 25 and older, up to 85. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Females age 25 - 85
• ASA Physical status I-III
• Scheduled for primary mastectomy
• Ability to give informed consent

You may not qualify if…

• Allergy to:
• Local anesthetics Fentanyl Hydromorphone Propofol Midazolam
• Patient refusal
• Infection at the injection site
• Peripheral Neuropathy
• Bilateral breast surgery
• Prior thoracic surgery on surgical side
• Severe spinal deformity
• Coagulopathy

Where it is running

• Ochsner Clinic Foundation — New Orleans, Louisiana, United States (enrolling)

Full record on ClinicalTrials.gov

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