Table 3.
Outcomes of the dural repairs in the included studies
| Study | Involved location | Drainage | Follow-up after dural repair (months) | Technique | CSF leakage | Post-operative infection | Post-operative neurological deficit | Revision technique for CSF leakage |
|---|---|---|---|---|---|---|---|---|
| Takenaka et al, 201917 | Lumbar (354/354) | Subfascial* | NA | Primary closure | 17/80 | 2/80 | 5/80 | NA |
| Sealant | 17/77 | 2/77 | 1/77 | |||||
| Primary closure + Sealant | 17/88 | 0/88 | 6/88 | |||||
| Patch + Sealant | 13/45 | 2/45 | 1/45 | |||||
| Primary closure + Patch + Sealant | 22/64 | 1/64 | 3/64 | |||||
| Montano et al, 201818 | Cervical (3/35) Cervico-thoracic (2/35) Thoracic (13/35) Thoraco-lumbar (3/35) Lumbar (14/35) |
NA | 23 | Primary closure + Patch | 1/35 | 0/35 | 0/35 | Needle aspiration + Bed rest |
| Arnautovic et al, 201619 | Cervical (11/40) Cervico-thoracic (3/40) Thoracic (11/40) Thoraco-lumbar (2/40) Lumbar (12/40) Sacral (1/40) |
NA | 45 | Primary closure + Patch + Sealant | 1/37 | 1/37 | 1/37 | Autologous fat + Lumbar drainage |
| Kamenova et al, 201620 | Lumbar (69/69) | Subarachnoid (2/69) Subfascial (60/69) Not available (7/69) |
NA | Primary closure | 1/13 | 0/13 | NA | NA |
| Patch | 4/22 | 4/22 | NA | |||||
| Primary closure + Patch | 3/34 | 0/34 | NA | |||||
| Masuda et al, 201621 | NA | Subarachnoid (75/75) | 28 | Primary closure + Patch + Sealant | 1/75 | 1/75 | 0/75 | Patch + Sealant |
| Jo et al, 201522 | Lumbar (15/15) | Subarachnoid (6/15) Subfascial (1/15) |
17 | Primary closure | 0/9 | 0/9 | 0/9 | No reoperation |
| Primary closure + Patch | 0/6 | 0/6 | 0/6 | |||||
| Grannum et al, 201423 | Lumbar (13/13) | NA | 60 | Patch | 0/13 | 0/13 | 0/13 | No reoperation |
| Tan et al, 201424 | Cervical (2/23) Thoracic (9/23) Lumbar (11/23) Sacral (1/23) |
Subarachnoid (0/23) Subfascial (0/23) |
20 | Primary closure + Sealant | 0/23 | NA | 0/23 | No reoperation |
| Anderson et al, 201325 | Lumbar (50/50) | Subfascial# | NA | Primary closure + Patch | 0/50 | 0/50 | 0/50 | No reoperation |
| Sun et al, 201226 | Thoracic (85/85) | Subfascial (84/85) Subfascial and subarachnoid (1/85) |
NA | Primary closure + Patch | 3/3 | 0/3 | 0/3 | NA |
| Patch | 60/80 | 1/80 | 0/80 | |||||
| Patch + Sealant | 2/2 | 1/2 | 0/2 | |||||
| Hodges et al, 199927 | Lumbar (10/20) Lumbo-Sacral (10/20) |
NA | >10 | Primary closure + Sealant | 1/20 | 0/20 | 0/20 | NA |
NA: not available;
*
exact number is not available but no patient underwent subarachnoid drainage;
#
only used for multilevel laminectomy or fusion cases