Consensus achieved for the block names. Strong consensus (≥75% agreement) was achieved for all block names except for rhomboid intercostal plane block, intertransverse process block, interpectoral plane block, and pectoserratus plane block, that had a weak consensus (50%–74% agreement)
Region | Name (%) | Anatomical description (%) | |
Abdominal wall | 1 | Rectus sheath block (98%) | Injection in the plane between the rectus abdominis muscle and posterior rectus sheath (98%) |
2 | Ilioinguinal iliohypogastric nerves block (91%) | Injection in proximity to the ilioinguinal and iliohypogastric nerves, located within the plane between the internal oblique and transversus abdominis muscles in the lower quadrants of the anterior abdominal wall (93%) | |
3 | Transversus abdominis plane (TAP) block (95%) | Injection in the plane between the internal oblique and transversus abdominis muscles (95%) | |
4 | Midaxillary transversus abdominis plane block (89%) | Injection in the plane between the internal oblique and transversus abdominis muscles at the midaxillary line (81%) | |
5 | Subcostal transversus abdominis plane block (91%) | Injection in the plane between the internal oblique and transversus abdominis muscles along the medial costal margin in the upper quadrants of the anterior abdominal wall (80%) | |
6 | Anterior quadratus lumborum block (QLB) (93%) | Injection in the plane between quadratus lumborum and psoas major muscles (87%) | |
7 | Lateral quadratus lumborum block (QLB) (89%) | Injection in the plane between the aponeuroses of internal oblique and transversus abdominis muscles at the lateral border of the quadratus lumborum muscle (87%) | |
8 | Posterior quadratus lumborum block (QLB) (96%) | Injection in the plane between the quadratus lumborum and erector spinae muscles, on the posterior surface of quadratus lumborum muscle (87%) | |
9 | Transversalis fascia plane (TFP) block (81%) | Injection in the plane between the transversus abdominis and the transversalis fascia (75%) | |
10 | Rhomboid intercostal plane block (69%) | Injection in the plane between the rhomboid major and intercostal muscles (81%) | |
Paraspinal | 11 | Paravertebral block (PVB) (96%) | Injection in the paravertebral space (between the superior costotransverse ligament and parietal pleura) in the thoracic region (98%) |
12 | Intertransverse process (ITP) block (58%) | Injection in the tissue between two transverse processes, posterior to the superior costotransverse ligament or halfway between the posterior aspect of the transverse process and the pleura. (86%) | |
13 | Erector spinae plane (ESP) block (100%) | Injection in the plane between the erector spinae muscles and the transverse process (98%) | |
14 | Retrolaminar block (RLB) (89%) | Injection in the plane between the erector spinae muscles and the lamina (91%) | |
Chest wall | 15 | Superficial serratus anterior plane (SAP) block (80%) | Injection in the plane superficial to the serratus anterior muscles (52%) |
16 | Deep serratus anterior plane block (SAP) (91%) | Injection in the plane between the posterior surface of the serratus anterior muscle and the periosteum of the rib (76%) | |
17 | Superficial parasternal intercostal plane (PIP) block (90%) | Injection in the plane superficial to the internal intercostal muscles and ribs and deep to the pectoralis major muscle (83%) | |
18 | Deep parasternal intercostal plane (PIP) block (85%) | Injection in the plane between the internal intercostal and the transversus thoracis muscles (83%) | |
19 | Interpectoral plane (IPP) block (73%) | Injection in the plane between the pectoralis major and pectoralis minor muscles (94%) | |
20 | Pectoserratus plane (PSP) block (53%) | Injection in the plane between the pectoralis minor and serratus anterior muscles (76%) |