Use of On-Q Pump for Pain Post C-Section

Summary

The main purpose of this study is to examine if pain levels treated with intrathecal (IT) preservative-free morphine (PFM) after a cesarean section improve with the additional use of continuous subfascial wound infiltration with ropivacaine using the OnQ® elastomeric pump system.

Conditions

• Pain

Interventions

DRUG

Ropivacaine 0.1%

Ropivacaine 0.1% is a local anaesthetic drug and will be administered as a single bolus dose of 8ml of 0.1% ropivacaine followed by an infusion of 8ml/hr of 0.1% ropivacaine using the On-Q® elastomeric pump. The bolus dose of 8ml of 0.1% ropivacaine will be administered via a multiport, silver-impregnated catheter (6-10cm) placed above the rectus muscle parallel to the fascial incision, using a preloaded syringe. The infusion will be delivered by the On-Q® elastomeric pump pre-set to deliver 8ml/hr of 0.1% ropivacaine for 72 hours post-operatively.

DRUG

Ropivacaine 0.2%

Ropivacaine 0.2% is a local anaesthetic drug and will be administered as a single bolus dose of 8ml of 0.2% ropivacaine followed by an infusion of 8ml/hr of 0.2% ropivacaine using the On-Q® elastomeric pump. The bolus dose of 8ml of 0.2% ropivacaine will be administered via a multiport, silver-impregnated catheter (6-10cm) placed above the rectus muscle parallel to the fascial incision, using a preloaded syringe. The infusion will be delivered by the On-Q® elastomeric pump pre-set to deliver 8ml/hr of 0.2% ropivacaine for 72 hours post-operatively.

DRUG

Normal saline

Normal saline will be administered as a single bolus dose of 8ml of normal saline followed by an infusion of normal saline using the On-Q® elastomeric pump. The bolus dose of 8ml of normal saline will be administered via a multiport, silver-impregnated catheter (6-10cm) placed above the rectus muscle parallel to the fascial incision, using a preloaded syringe. The infusion will be delivered by the On-Q® elastomeric pump pre-set to deliver 8ml/hr normal saline for 72 hours post-operatively.

DEVICE

On-Q ® elastomeric pump

The On-Q® elastomeric pump automatically and continuously delivers a regulated flow of 0.1% or 0.2% ropivacaine or normal saline locally to the surgical site for 72 hours post-operatively. The infusion will be delivered by pre-setting the On-Q® elastomeric pump to deliver at the rate of 8ml/hr for 72 hours post-operatively.

Sponsors & Collaborators

• Emory University

  lead OTHER

Principal Investigators

• James Dolak, MD · Emory University

Study Design

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

DOUBLE

Model

PARALLEL

Eligibility

Min Age

18 Years

Sex

FEMALE

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2015-07-31

Primary Completion

2019-07-25

Completion

2019-07-25

Countries

• United States

Study Locations