Ultrasound-guided Thoracic Spinal Level Identification

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-01-13

Study Completion Date

2021-12-15

Brief Summary

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Typically, the rhomboid minor muscles rise from the C7-T1 spinous process and run downward to touch the upper inner corner of the scapula, and the rhomboid major muscles rise from the T2-T5 spinous process and run downward to reach the lower middle inner corner of the scapula. In anatomical research articles, it has been reported that the rhomboid muscle's anatomical variations are rare. Considering the characteristics of these rhomboid muscles, the investigators planned a study on the utility of rhomboid muscles as a landmark for identifying thoracic spine levels.

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Detailed Description

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Conditions

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Thoracic Diseases Myofascial Pain

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Group 1

Ultrasound scanning of the rhomboid muscle

Group Type EXPERIMENTAL

Ultrasound imaging & fluoroscopic confirmation

Intervention Type PROCEDURE

The researchers use ultrasound to scan the left and right sides of the paravertebral sagittal imaging to identify trapezius, semispinalis, erector spinae muscle, transverse process and rhomboid muscle. The radiopaque marker is attached respectively to the skin of the inferior margin of the rhomboid muscle on the left and right thoracic spinal spines. Then, as the first step for the scheduled nerve block to the patient, thoracic vertebra level verification using C-arm is performed. At this time, left and right level of the transverse process of thoracic spine marked with the radiopaque marker are confirmed and recorded.

Interventions

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Ultrasound imaging & fluoroscopic confirmation

The researchers use ultrasound to scan the left and right sides of the paravertebral sagittal imaging to identify trapezius, semispinalis, erector spinae muscle, transverse process and rhomboid muscle. The radiopaque marker is attached respectively to the skin of the inferior margin of the rhomboid muscle on the left and right thoracic spinal spines. Then, as the first step for the scheduled nerve block to the patient, thoracic vertebra level verification using C-arm is performed. At this time, left and right level of the transverse process of thoracic spine marked with the radiopaque marker are confirmed and recorded.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing thoracic nerve root block due to herpes zoster, postherpetic neuralgia, complex regional pain syndrome, post traumatic pain syndrome, or compression fracture of vertebra.

Exclusion Criteria

1. Previous T-spine surgery
2. Patient refusal
3. Coagulopathy
4. Generalized infection or localized infection at injection site
5. Anatomical abnormality of T-spine
6. Allergic reaction to local anesthetics

Minimum Eligible Age

19 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No