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The stellate ganglion block increase cerebral blood flow, as the consequence of that, it has the potential to cause an increase of intracranial pressure (ICP). Previous studies have proposed that ultrasonographic measurements of the optic nerve sheath diameter (ONSD) correlate with signs of increased ICP. Therefore, this study is aim to confirm the increased ICP by ultrasonographic measurement of ONSD after the stellate ganglion block.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| stellate ganglion block | Patients receiving stellate ganglion block at our pain management clinic |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ultrasonographic measurement of optic nerve sheath diameter | Procedure | A thick layer of gel is applied on the upper closed eyelid. The linear 13- to 6-MHz ultrasound probe is then placed in the gel, without exerting pressure on the eye. Two measurements are taken for each optic nerve: one in the transverse plane, with the probe being horizontal, and one in the sagittal plane, with the probe being vertical. The final ONSD is the mean of these measurements. |
| Measure | Description | Time Frame |
|---|---|---|
| ultrasonographic measurement of optic nerve sheath diameter | 15 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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Patients who were scheduled to receive stellate ganglion block at our pain management clinic
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Severance Hospital | Seoul | Seoul | 120-752 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22258019 | Background | Dubost C, Le Gouez A, Jouffroy V, Roger-Christoph S, Benhamou D, Mercier FJ, Geeraerts T. Optic nerve sheath diameter used as ultrasonographic assessment of the incidence of raised intracranial pressure in preeclampsia: a pilot study. Anesthesiology. 2012 May;116(5):1066-71. doi: 10.1097/ALN.0b013e318246ea1a. |
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|
| ID | Term |
|---|---|
| D010146 | Pain |
| ID | Term |
|---|---|
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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