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

Mayo Clinic50 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

DOUBLE

Enrollment

Conditions

Inguinal Hernia

Interventions

PVB using nerve stimulationPROCEDURE

5ml of 1% ropivacaine injected incrementally

PVB using anatomic landmarksPROCEDURE

5ml of 1% ropivacaine injected incrementally

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

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

Locations (1)

Mayo Clinic

Jacksonville, Florida, United States

Outcomes

Primary Outcomes

Successful full block at T11-L1

Time frame: Every 10 minutes until full block achieved

Data from ClinicalTrials.gov

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