The Effect of Pre-Operative Transversus Abdominis Plane (TAP) Block in the Post Operative Opioid Consumption in Morbid Obese Patients Undergoing Laparoscopic Gastric Bypass Surgery: A Prospective,Randomized, Blinded Study

Not Applicable

Completed

• Conditions: Surgery; Pain; Obesity
• Interventions: Drug: Placebo; Drug: (study group) will receive a bilateral TAP block using 20 cc of 0.5% ropivacaine on each side.

• Registration Number: NCT01075087
• Lead Sponsor: Northwestern University

Brief Summary

The use of preoperative TAP block in laparoscopic bariatric surgery can improve the postoperative pain and quality of recovery in patients undergoing these procedures.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study First Submitted: 2010-02-23
• Study First Submitted QC: 2010-02-23
• Study First Posted: 2010-02-24
• Study Start: 2010-03
• Primary Completion: 2012-07
• Study Completion: 2012-08
• Status Verified: 2014-05
• Results First Submitted: 2014-05-23
• Results First Submitted QC: 2014-05-23
• Last Update Submitted: 2014-05-23
• Results First Posted: 2014-06-26
• Last Update Posted: 2014-06-26

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 19

Inclusion Criteria

• Age: 18-65 years
• BMI >35 Kg/m2
• Surgery: laparoscopic gastric bypass surgery
• ASA status: I, II and III
• Fluent in English

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Exclusion Criteria

• History of allergy to local anesthetics
• Chronic opioid use
• Pregnant patients
• Patients who remained intubated after surgery

Drop-out criteria:

Patient or surgeon request Complications related to the procedure or conversion to open route Patient requiring mechanical ventilation after surgery

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Placebo	Placebo	(control group) will receive sterile normal saline in the block
Active comparator	(study group) will receive a bilateral TAP block using 20 cc of 0.5% ropivacaine on each side.	(study group) will receive a bilateral TAP block using 20 cc of 0.5% ropivacaine on each side.

Primary Outcome Measures

Name	Time	Method
Quality of Recovery 40 Score	24 hours post operatively	Quality of Recovery 40 Score at 24 hours postoperative.

Secondary Outcome Measures

Name	Time	Method
24 Hour Total Opioid Consumption.	24 hours	24 Hour total opioid consumption translated into IV morphine equivalents.

Trial Locations

Locations (1)

Northwestern Memorial Hospital; 🇺🇸 Chicago, Illinois, United States