Regional TAP Block for Bariatric Patients

Montefiore Medicine Academic Health System

Status and phase: Completed; Phase 2; Phase 1

Conditions: Transverse Abdominal Plane Regional Blocks; Bariatric Surgery

Treatments: Procedure: Transverse abdominal plane block; Drug: Ropivacaine

Study type: Interventional

Funder types: Other

Identifiers

NCT04051684

13-01-013

Details and patient eligibility

About

Addition of transverse abdominis plane (TAP) block to general anesthesia for morbidly obese patients (BMI >35) undergoing laparoscopic bariatric surgery for weight loss will significantly reduce opioid use in the recovery room

Enrollment: 23 patients

Sex: All

Ages: 18 to 100 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. The patient must be 18 years of age or older and able to provide his or her own consent.
2. The patient is scheduled for bariatric surgery including laparoscopic gastric banding, sleeve gastrectomy, and gastric bypass.
3. The patient must be surgically and medically accepted for the procedure
4. Good functional status, ability to perform activities of daily living
5. The patients BMI > 35, no upper limit
6. Signed study specific informed consent prior to enrollment

Exclusion criteria

1. Patients with an allergy to local anesthetics
2. Patients diagnosed with peripheral neuropathies including diabetes mellitus.
3. Patients with BMI <35
4. Patients with significant coronary artery disease
5. Patient refusal of block procedure.
6. Patients with chronic pain
7. Patients on pre-operative maintenance narcotics
8. American Society of Anesthesiologist classification system 4 (ASA 4) patients

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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23 participants in 2 patient groups

TAP, Bupivacaine

Experimental group

Description:

This group will receive general anesthesia and at the end of the operation, but still in the operating room, a single shot TAP block with 0.5% ropivacaine 15-20 ml / side under ultrasound guided technique with blunt tipped, 21 gauge needle.

Treatment:

Procedure: Transverse abdominal plane block

Drug: Ropivacaine

No intervention

No Intervention group

Description:

General anesthesia