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| ID | Type | Description | Link |
|---|---|---|---|
| H-0906-010-282 | Other Identifier | SeoulNUH |
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This study aims to compare the alternative current and the direct current signal changes of photoplethysmography between both feet during one side lumbar sympathetic block.
The hypothesis is that signal changes occur earlier than other indices to decide whether it is successful following lumbar sympathetic block on only one-side.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| lumbar sympathetic block | Active Comparator | Unilateral lumbar sympathetic blockade using chirocaine |
|
| contralateral side | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| lumbar sympathetic block | Procedure | unilateral lumbar sympathetic block at L3 level using 0.2% chirocaine under C-arm fluoroscopy |
|
| Measure | Description | Time Frame |
|---|---|---|
| Index of sympathetic block | change of slope of signals of the alternative current and the direct current from foot The baseline is defined as the point of surgical drap. The end of procedure is decided when the temperature of foot is increased more than 2 degrees from baseline within 20 minutes after local anesthetics injection | 1 minute at intervals from baseline through end of procedure |
| Measure | Description | Time Frame |
|---|---|---|
| skin temperature changes | foot temperature change from baseline | 1 minute at intervals during procedure |
| electrocardiogram | heart rate variability measurement |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesiology and Pain Medicine, Seoul National University Hospital | Recruiting | Seoul | 110744 | South Korea |
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| ID | Term |
|---|---|
| D020918 | Complex Regional Pain Syndromes |
| ID | Term |
|---|---|
| D001342 | Autonomic Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
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| ID | Term |
|---|---|
| D002045 | Bupivacaine |
| D000077554 | Levobupivacaine |
| ID | Term |
|---|---|
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
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| 1 minute at intervals from baseline through end of procedure |
| D000588 |
| Amines |