Optimal Location of Nerve Block to Minimize Perioperative Opioid Administration in ACL Surgery: Comparing True Adductor Canal to Proximal Block

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

69 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-02-01

Study Completion Date

2021-06-29

Brief Summary

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This is a prospective, randomized, single blinded trial involving human subjects. The goal of this study is to determine an optimal location (proximal or distal) for the nerve block and whether it will make a difference in how much opioid the patient will receive during and after surgery. Ultrasound will identify the adductor canal and the proximal end of the adductor canal/apex of the femoral triangle to determine the location of the blocks.

Their will be two randomized groups: 1. ACB within true AC with bupivacaine 0.5% 20cc2. ACB proximal to true AC with bupivacaine 0.5% 20cc

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Detailed Description

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Conditions

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ACL Surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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ACB within true AC with bupivacaine

The patients will receive an ultrasound-guided single injection adductor canal block with 20 mL of 0.5% bupivacaine

Group Type ACTIVE_COMPARATOR

ACB within true AC with bupivacaine 0.5% 20cc

Intervention Type DRUG

The adductor canal block (ACB) is more commonly being used to provide post-operative analgesia since it provides a sensory block with minimal motor block.

ACB proximal to true AC with bupivacaine

The patients will receive an ultrasound-guided single injection femoral triangle block with 20 mL of 0.5% bupivacaine

Group Type ACTIVE_COMPARATOR

ACB proximal to true AC with bupivacaine 0.5% 20cc

Intervention Type DRUG

Patients will receive ultra-sound guided single femoral triangle block injection with 20 mL of 0.5% bupivicaine

Interventions

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ACB within true AC with bupivacaine 0.5% 20cc

The adductor canal block (ACB) is more commonly being used to provide post-operative analgesia since it provides a sensory block with minimal motor block.

Intervention Type DRUG

ACB proximal to true AC with bupivacaine 0.5% 20cc

Patients will receive ultra-sound guided single femoral triangle block injection with 20 mL of 0.5% bupivicaine

Intervention Type DRUG

Other Intervention Names

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bupivacaine bupivacaine

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing unilateral, ACL surgery with allograft.
* Patients who consent to be randomized.
* Patients must be English proficient.

Exclusion Criteria

* Patients younger than 18 or older than 75 years of age;
* Patients with a history of chronic pain or who are taking medications intended to treat chronic pain such as strong opioids;
* Patients with history of neurologic disorder that can interfere with pain sensation;
* Patients with a history of drug or alcohol abuse;
* Patients who are unable to understand or follow instructions;
* Patients with an allergy or a contraindication to any of the medications used in the study, or patients with a contraindication to any of the study procedures;
* Patients with severe liver disease, renal insufficiency, congestive heart failure, and/ or significant heart disease;
* Patients with a BMI over 42;
* Any patient that the investigators feel cannot comply with all study related procedures.
* Patients who do not tolerate Percocet.

Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No