Comparison of the Postoperative Analgesic Efficacy of Classical and Modified Erector Spinae Plane Blocks After Lumbar Spinal Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-12-02

Study Completion Date

2026-08-30

Brief Summary

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The investigators aim to compare the postoperative analgesic efficacy of the classical erector spinae plane block and the modified erector spinae plane block in the management of postoperative analgesia after lumbar disc surgery.

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Detailed Description

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Lumbar spinal stenosis may lead to variable signs and symptoms such as low back pain, radiating pain to the lower extremities, and reduced walking capacity. Lumbar disc surgery itself causes significant pain due to extensive dissection and muscle retraction during the procedure. A multimodal analgesic approach is preferred for postoperative pain management after lumbar spine surgery. The addition of regional anesthesia techniques reduces opioid-related side effects and is associated with earlier mobilization, shorter hospital stay, and improved patient satisfaction.

In patients undergoing lumbar disc surgery, the classical erector spinae plane block and the modified erector spinae plane block provide effective analgesia for postoperative pain control.

Conditions

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Acute Pain Spinal Stenosis Lumbar

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

DOUBLE

Caregivers Outcome Assessors

Study Groups

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Active Comparator: Group K-ESP

The erector spinae plane block will be performed 30 minutes before lumbar spine surgery.

Group Type ACTIVE_COMPARATOR

The Classical Erector Spinae Plane Block

Intervention Type OTHER

The erector spinae plane block will be performed under ultrasound guidance before the induction of general anesthesia.

Active Comparator: Group M-ESP

The modified erector spinae plane block will be performed 30 minutes before lumbar spine surgery.

Group Type ACTIVE_COMPARATOR

Modified Erector Spinae Plane Blocks

Intervention Type OTHER

Modified erector spinae plane blocks will be performed under ultrasound guidance before the induction of general anesthesia.

Interventions

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The Classical Erector Spinae Plane Block

The erector spinae plane block will be performed under ultrasound guidance before the induction of general anesthesia.

Intervention Type OTHER

Modified Erector Spinae Plane Blocks

Modified erector spinae plane blocks will be performed under ultrasound guidance before the induction of general anesthesia.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients aged 18-70 years,
* Classified as ASA physical status I-III,
* Scheduled to undergo single-level lumbar spinal surgery under general anesthesia
* Who agree to participate in the study by providing written informed consent

Exclusion Criteria

* History of bleeding diathesis or current anticoagulant therapy
* Known allergy or hypersensitivity to local anesthetics or opioid medications
* Infection at the planned block injection site
* Previous lumbar spine surgery
* History of gabapentinoid or corticosteroid use within the last 3 weeks
* Inability to use a patient-controlled analgesia (PCA) device
* Suspected pregnancy, confirmed pregnancy, or breastfeeding Refusal to undergo the procedure or to participate in the study

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No