Pain and Sensation After Regional Anesthesia

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

10 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-08-16

Study Completion Date

2018-09-10

Brief Summary

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This study aims to determine spinal resolution and pain levels after the placement of a lumbar plexus block (LPB) and spinal for total hip replacement procedure. This is a pilot study that looks to collect information in order to design a larger, more significant study comparing Quadratus Lumborum blocks (QLB) and Lumbar Plexus blocks.

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Detailed Description

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The Quadratus Lumborum block (QLB) is a newer regional analgesic technique that may be as effective as Lumbar Plexus blocks (LPB) at providing pain control following direct anterior approach (DAA) hip arthroplasty. The purpose of this study is to collect pilot data to help the design of a future randomized study, comparing a QLB to a LPB for DAA procedures. The investigators will assess for spinal resolution below the level of L5/S1 by assessing the presence of pin prick sensation at these levels. This will help determine if pain scores collected at 6hrs reflect analgesia provided by the preoperative LPB alone or if the data is confounded by the presence of spinal anesthesia. This data will help us determine if 6hrs is a feasible primary endpoint to assess pain scores. Additionally, assuming that spinal regression is complete by 6hrs, the VAS pain scores obtained will then be used to perform a power analysis to determine the necessary study size when comparing QLB to LPB for DAA hip arthroplasty.

Conditions

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Anesthesia, Conduction Osteoarthritis, Hip

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Lumbar Plexus block Group

This group includes participants that received Lumbar Plexus blocks (LPB) as the regional analgesic technique in a direct anterior approach (DAA) Total Hip Arthroplasty.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Patients that have elective total hip arthroplasty with DAA at Davie Medical Center.

Exclusion Criteria

* Patients will be excluded if they do not receive a lumbar plexus block and spinal anesthesia.
* and/or if they have peripheral neuropathy affecting their feet.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No