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| ID | Type | Description | Link |
|---|---|---|---|
| Pro00033609 | Other Identifier | Medical University of South Carolina |
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The purpose of the study is to determine the effectiveness of a new approach to numbing (anesthetizing) nerves in the back and to measure how far the area of anesthesia extends on the skin of the back.
This research aims to define a novel field-infiltration nerve block. We will use ultrasound guidance to inject local anesthesia into the potential space between the muscle bodies of the erector spinae. The medial branch of the dorsal ramus of each thoracolumbar nerve innervates the muscle and skin overlying the erector spinae muscle to the midline. By anesthetizing each nerve we believe minimally invasive (1-2 level) back surgery may be completed with less pain and preclude the side-effect laden opioid analgesics.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Thoracolumbar Interfascial Plane Block | Experimental | All participants will have two injections at the same vertebral level on each side of the back. Each injection will consist of four 5cc incremental injections with aspiration prior to each 5cc of injectate of 0.5% Ropivicaine. . Each side of the back will be injected with 20cc of .05% Ropivicaine. Ultrasound will be used in real time to guide the needle, evaluate for "spread" of local anesthesia and to minimize the risk of Ropivicaine being injected intravascularly. a. Ultrasound images will be saved using the nomenclature TLIP Anat |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Thoracolumbar Interfascial Plane Block | Procedure | All participants will have two injections at the same vertebral level on each side of the back. Each injection will consist of four 5cc incremental injections with aspiration prior to each 5cc of injectate of 0.5% Ropivicaine. . Each side of the back will be injected with 20cc of .05% Ropivicaine. Ultrasound will be used in real time to guide the needle.
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| Measure | Description | Time Frame |
|---|---|---|
| Anesthesia (monitoring of pain, temperature, and adverse reaction to anesthesia [tinnitus, disorientation, or perioral numbness]) | At time zero (pre injection), 5 minutes, and 15 minutes point-discrimination to pain and temperature will be evaluated by blunt-needle prick and ice (in plastic bag). A "map" of each will be drawn and photographed for analysis.
| The day of procedure (up to 15 minutes) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| William Hand, MD | Medical University of South Carolina | Principal Investigator |
| Scott T Reeves, MD | Medical University of South Carolina | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medical University of South Carolina | Charleston | South Carolina | 29425 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26149600 | Derived | Hand WR, Taylor JM, Harvey NR, Epperson TI, Gunselman RJ, Bolin ED, Whiteley J. Thoracolumbar interfascial plane (TLIP) block: a pilot study in volunteers. Can J Anaesth. 2015 Nov;62(11):1196-200. doi: 10.1007/s12630-015-0431-y. Epub 2015 Jul 7. |
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| Ropivicaine | Drug |
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