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In this study the investigators wish to compare the effect of a selective axillary nerve block to placebo in patients undergoing arthroscopic shoulder surgery.
It is the investigators hypothesis that the amount of morphine consumption in the first 4 hours postoperatively in the intervention group will be significant lower than in the placebo group.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Sodium chloride |
|
| ropivacaine | Active Comparator | Naropin |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ropivacaine | Drug | Single shot nerve block with ropivacaine 10-20 ml; 7,5 mg/ml |
|
| Measure | Description | Time Frame |
|---|---|---|
| Morphine consumption | Patients are coupled to an intravenous PCA pump. The amount of morphine administered by the patient in the first 4 hours postoperatively is registered. | 0-4 hours postoperatively |
| Measure | Description | Time Frame |
|---|---|---|
| Visual analogue scale (VAS) score | Postoperative VAS scores during the first 24 hours postoperatively, divided into two periods. | 0-12 hours and 12-24 hours postoperatively |
| Total morphine consumption |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Aleris-Hamlet Hospital | Frederiksberg | Denmark |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 21827442 | Background | Rothe C, Asghar S, Andersen HL, Christensen JK, Lange KH. Ultrasound-guided block of the axillary nerve: a volunteer study of a new method. Acta Anaesthesiol Scand. 2011 May;55(5):565-70. doi: 10.1111/j.1399-6576.2011.02420.x. | |
| 32005160 | Derived | Rothe C, Lund J, Jenstrup MT, Steen-Hansen C, Lundstrom LH, Andreasen AM, Lange KHW. A randomized controlled trial evaluating the impact of selective axillary nerve block after arthroscopic subacromial decompression. BMC Anesthesiol. 2020 Jan 31;20(1):33. doi: 10.1186/s12871-020-0952-y. |
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| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
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| ID | Term |
|---|---|
| D000077212 | Ropivacaine |
| D012965 | Sodium Chloride |
| ID | Term |
|---|---|
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
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| Sodium chloride | Drug | Single shot nerve block with isotonic sodiumchloride 10-20 ml; 0.9% |
|
The total amount of morphine administered during the first 24 hours postoperatively
| 0-24 hours postoperatively |
| Postoperative nausea and vomiting (PONV) | Postoperative nausea evaluated on a 1-3 scale with and without vomiting | 0-4, 0-12 and 12-24 hours postoperatively |
| Escape block | The use of an escape block (interscalene brachial plexus block) in patients with pain breakthrough despite IV morphine 0-4 hours postoperatively. | 0-4 hours postoperatively |
| Bolus morphine 5 mg iv | Number of morphine boli administered during the first 4 hours postoperatively | 0-4 hours postoperatively |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D000588 |
| Amines |
| D002712 | Chlorides |
| D006851 | Hydrochloric Acid |
| D017606 | Chlorine Compounds |
| D007287 | Inorganic Chemicals |
| D017670 | Sodium Compounds |