Figure 1. Postoperative opioid requirement (a), opioid administrations (b), and pain scores (c). Data show the median values and interquartile range. MME: morphine milligram equivalent.
| Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access |
| Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc |
| Journal website https://www.jocmr.org |
Original Article
Volume 15, Number 2, February 2023, pages 84-89
Quadratus Lumborum Blockade for Postoperative Analgesia in Infants and Children Following Colorectal Surgery
Figure
Tables
| IQR: interquartile range; SD: standard deviation. | |
| Gender, n (%) | |
| Female | 83 (50.9) |
| Male | 80 (49.1) |
| Race, n (%) | |
| Asian | 20 (12.4) |
| Black | 23 (14.3) |
| Hispanic | 13 (8.1) |
| Other | 10 (6.2) |
| White | 95 (59.0) |
| Mean age, years (SD) | 4.7 (5.2) |
| Median age, years (IQR) | 2.4 (0.8 - 6.7) |
| Mean weight, kg (SD) | 18.6 (16.8) |
| Mean height, cm (SD) | 96.3 (34.0) |
| Mean body mass index (SD) | 16.9 (3.2) |
| Preoperative diagnosis, n (%) | |
| Chronic pain or neuropathy | 7 (4) |
| Vertebral anomalies | 16 (10) |
| Anorectal malformation | 68 (42) |
| Chronic anticoagulation | 1 (0.6) |
| Surgery type, n (%) | |
| Creation/revision/closure of ostomy | 137 (84) |
| Mitrofanoff/Malone | 6 (3.7) |
| Herniorrhaphy | 4 (2.6) |
| Transanal pull through | 4 (2.6) |
| Gastrostomy tube placement | 2 (1.3) |
| Other abdominal surgery | 10 (6.1) |
| IQR: interquartile range; QLB: quadratus lumborum block. | |
| Total number of blocks, n | 204 |
| QLB laterality, n (%) | |
| Bilateral | 41 (25.2) |
| Unilateral | 122 (74.8) |
| QLB medication, n (%) | |
| 0.05% ropivacaine | 1 (0.6) |
| 0.1% ropivacaine | 11 (6.7) |
| 0.2% ropivacaine | 85 (52.1) |
| 0.25% bupivacaine | 7 (4.3) |
| 0.25% ropivacaine | 2 (1.2) |
| 0.3% ropivacaine | 1 (0.6) |
| 0.5% ropivacaine | 56 (34.4) |
| QLB complications noted, n (%) | |
| No | 159 (100) |
| QLB success, n (%) | |
| No | 2 (1.2) |
| Yes | 161 (98.8) |
| Median procedure time, min (IQR) | 5 (4 - 9) |
| Median ropivacaine dose, mg/kg (IQR) | 1.9 (1.3 - 2.6) |
| Median bupivacaine dose, mg/kg (IQR) | 2.5 (2.0 - 2.6) |
| Median ropivacaine volume, mL/kg (IQR) | 0.6 (0.5 - 1.0) |
| Median bupivacaine volume, mL/kg (IQR) | 1.0 (0.8 - 1.0) |