Clinical Study
Interspinous Spacer Implant in Patients with Lumbar Spinal Stenosis: Preliminary Results of a Multicenter, Randomized, Controlled Trial
| | Characteristic | Superion () | X-Stop () |
| | Anesthesia, n (%)* | | | | General | 68 (85) | 79 (92) | | Conscious sedation | 12 (15) | 7 (8) | | Local | 7(9) | 4 (5) |
| | Number of devices, n (%) | | | | One | 40 (50) | 38 (44) | | Two | 40 (50) | 48 (56) |
| | Device size, n (%) | | | | 6 mm | NA | 2 (2) | | 8 mm | 1 (1) | 5 (4) | | 10 mm | 15 (12) | 38 (28) | | 12 mm | 32 (27) | 51 (38) | | 14 mm | 63 (52) | 34 (25) | | 16 mm | 9 (8) | NA | | NR | 0 (—) | 4 (3) |
| | Procedure time, median, mins | 55 | 45 | | Procedural blood loss, median, cc | 10 | 25 |
|
|
*The sum of percentages is greater than 100% because more than one anesthesia type was used in some patients. NR, not reported. NA, not applicable.
|
