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The addition of dexamethasone (DxaM) to local anesthetic may significantly prolong the duration of a block in total knee arthroplasty. The aim of this study is to determine whether this is a systemic or local effect.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group I (ISB-P) | Active Comparator | Four nerve blocks with perineural injection of dexamethasone 0.1 mg/kg and bupivacaine 0.5% - 45 ml |
|
| Group II (ISB-S) | Active Comparator | Four nerve blocks with systemic injection of dexamethasone 0.1 mg/kg and bupivacaine 0.5% - 45 ml |
|
| Group III (ISB-C) | Active Comparator | Four nerve blocks without dexamethasone |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dexamethasone | Drug |
| ||
| Bupivacaine |
| Measure | Description | Time Frame |
|---|---|---|
| Efficacy Perineural DxaM | Duration of motor and sensory block | One day |
| Measure | Description | Time Frame |
|---|---|---|
| Efficacy of Systemic DxaM | Duration of motor and sensory block | One day |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Anatoly Stav, MD | Hillel Yaffe Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hillel Yaffe Medical Center | Hadera | 38100 | Israel |
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| Drug |
|
| ID | Term |
|---|---|
| D000377 | Agnosia |
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D010146 | Pain |
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| ID | Term |
|---|---|
| D003907 | Dexamethasone |
| D002045 | Bupivacaine |
| ID | Term |
|---|---|
| D011246 | Pregnadienetriols |
| D011245 | Pregnadienes |
| D011278 | Pregnanes |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |
| D013259 | Steroids, Fluorinated |
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
| D000588 | Amines |
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