Comparison of Preoperative Ultrasound Guided Pectoralis Nerve Block Placement Versus Intra-operative Placement: A Prospective Randomized Trial

University of California (UC) Davis

Status: Terminated

Conditions: Post-operative Pain

Treatments: Device: On-Q; Drug: Ultrasound guided pectoral nerve block

Study type: Interventional

Funder types: Other

Identifiers

NCT03201809

918749

Details and patient eligibility

About

This study investigates the use of post-operative on-Q pain catheters for tissue expander based breast reconstruction, versus conventional ultrasound-guided blocks placed pre-operatively.

Enrollment: 12 patients

Sex: Female

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• presenting for breast reconstruction w/ planned two-stage, sub muscular tissue expander placement.

Exclusion criteria

• pregnant, prisoners, cannot consent, history of chronic pain or pain medication use

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

---

12 participants in 2 patient groups

On-Q Catheter

Experimental group

Description:

On-Q catheters placed within the implant pocket; infusion of 0.2% Ropivacaine at 4 mL/h for a total of 400 mL (about 4 days).

Treatment:

Device: On-Q

Ultrasound Guided Pectoral Nerve Block

Active Comparator group

Description:

Single Shot Pre-operative injections of 10 mL of 0.25% Ropivicaine for the Pecs 1 injection, and 20 mL of 0.25% Ropivacaine for the pecs 2 injection

Treatment:

Drug: Ultrasound guided pectoral nerve block