Paravertebral Blocks: Pilot Study to Compare Nerve Stimulation vs. Anatomic Landmarks in Inguinal Hernia Repair (PVB)

Mayo Clinic

Status: Completed

Conditions: Inguinal Hernia

Treatments: Procedure: PVB using anatomic landmarks; Procedure: PVB using nerve stimulation

Study type: Interventional

Funder types: Other

Identifiers

NCT00587704

07-002759

Details and patient eligibility

About

Primary aim:

1. To compare the nerve stimulation vs. anatomic techniques of paravertebral block of T11-L1 in providing surgical anesthesia for patients undergoing inguinal hernia repair.

Secondary aims:

1. Compare VAS pain scores in the two groups of patients over the first 24 hours.
2. Compare opioid intake over the first 24 hours in the two groups of patients.

Enrollment: 50 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Unilateral open inguinal herniorrhaphy
• Patient must be >18 years of age
• ASA physical status of I, II, or III
• Patient competent to provide informed consent

Exclusion criteria

• Patient < 18 years of age
• Pregnant or lactating women
• Patient unwilling or unable to provide informed consent
• Contraindications to regional anesthesia
• Allergy to amide local anesthetics

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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50 participants in 2 patient groups

Nerve Stimulation

Other group

Description:

Use of nerve stimulator for placement of PVB nerve block

Treatment:

Procedure: PVB using nerve stimulation

Anatomic landmarks

Other group

Description:

Use of anatomic landmarks for placement of PVB block

Treatment:

Procedure: PVB using anatomic landmarks