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The study will review data collected in 5 previously completed randomised controlled trials with a new primary outcome: to assess whether administration of the transmuscular quadratus lumborum block has an impact on the time an individual patient stays in the postanaesthesia care unit and how much opioid is consumed during this specified time.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hemicolectomy, Active treatment | 2x30mL 0.375% Ropivacaine administered by way of transmuscular quadratus lumborum block |
| |
| Hemicolectomy, Placebo treatment | 2x30mL isotonic saline administered by way of transmuscular quadratus lumborum block | ||
| Nephrectomy, Active treatment | 2x30mL 0.375% Ropivacaine administered by way of transmuscular quadratus lumborum block |
| |
| Nephrectomy, Placebo treatment | 2x30mL isotonic saline administered by way of transmuscular quadratus lumborum block | ||
| Percutaneous nephrolithotomy, Active treatment | 1x30mL 0.75% Ropivacaine administered by way of transmuscular quadratus lumborum block |
| |
| Percutaneous nephrolithotomy, Placebo treatment | 1x30mL isotonic saline administered by way of transmuscular quadratus lumborum block |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ropivacaine injection | Drug | Transmuscular quadratus lumborum block - active |
|
| Measure | Description | Time Frame |
|---|---|---|
| Duration of recovery | Minutes from arrival in PACU to completed recovery (arrival until ready for departure) | 0-300 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Total time spent in recovery | Minutes from arrival in PACU to actual departure time (arrival until actual departure) | 0-300 minutes |
| Duration of stay at PACU after completed recovery | Minutes from completed recovery to actual departure from PACU |
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Inclusion Criteria:
- Elective Surgery
Exclusion Criteria:
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Patients scheduled for elective surgery (hemicolectomy, nephrectomy, percutaneous nephrolithiotomy, hysterectomy of caesarean section).
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| Name | Affiliation | Role |
|---|---|---|
| Jens Børglum Neimann, MD, PhD | Associate Professor, Zealand University Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zealand University Hospital | Roskilde | 4000 | Denmark |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33106280 | Background | Dam M, Hansen C, Poulsen TD, Azawi NH, Laier GH, Wolmarans M, Chan V, Bendtsen TF, Borglum J. Transmuscular quadratus lumborum block reduces opioid consumption and prolongs time to first opioid demand after laparoscopic nephrectomy. Reg Anesth Pain Med. 2021 Jan;46(1):18-24. doi: 10.1136/rapm-2020-101745. Epub 2020 Oct 26. | |
| 31308263 |
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Data will be shared upon reasonable request
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| ID | Term |
|---|---|
| D000077212 | Ropivacaine |
| ID | Term |
|---|---|
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
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| Hysterectomy, Active treatment | 2x30mL 0.375% Ropivacaine administered by way of transmuscular quadratus lumborum block |
|
| Hysterectomy, Placebo treatment | 2x30mL isotonic saline administered by way of transmuscular quadratus lumborum block |
| Elective Caesarean section, Active treatment | 2x30mL 0.375% Ropivacaine administered by way of transmuscular quadratus lumborum block |
|
| Elective Caesarean section, Placebo treatment | 2x30mL isotonic saline administered by way of transmuscular quadratus lumborum block |
|
| 0-300 minutes |
| Total opioid consumption in PACU | Total amount of opioid administered, converted to Oral Morphine Equivalents | 0-300 minutes |
| Highest pain score in PACU | Highest reported Numeric Rating Scale of pain during stay in recovery | 0-300 minutes |
| Hansen CK, Dam M, Steingrimsdottir GE, Laier GH, Lebech M, Poulsen TD, Chan VWS, Wolmarans M, Bendtsen TF, Borglum J. Ultrasound-guided transmuscular quadratus lumborum block for elective cesarean section significantly reduces postoperative opioid consumption and prolongs time to first opioid request: a double-blind randomized trial. Reg Anesth Pain Med. 2019 Jul 14:rapm-2019-100540. doi: 10.1136/rapm-2019-100540. Online ahead of print. |
| 31153628 | Result | Dam M, Hansen CK, Poulsen TD, Azawi NH, Wolmarans M, Chan V, Laier GH, Bendtsen TF, Borglum J. Transmuscular quadratus lumborum block for percutaneous nephrolithotomy reduces opioid consumption and speeds ambulation and discharge from hospital: a single centre randomised controlled trial. Br J Anaesth. 2019 Aug;123(2):e350-e358. doi: 10.1016/j.bja.2019.04.054. Epub 2019 May 30. |
| D000588 |
| Amines |