Article Figures & Data
Figures
- Figure 1
Proportion of individuals underwent the valve revisions and corresponding cumulative valve revision frequencies, stratified according to the valve type
Tables
Etiology n (%) Congenital 17 (38) Myelomeningocele 14 (31) Intracranial tumor 4 (9) Post-infection 2 (4) Post-trauma 1 (2) Others 7 (16) Cause of revision Total cases at first revision (n=45) Total cases at second revision (n=21) Total cases at third revision (n=11) Total cases at fourth revision (n=5) P-value n (%) Valve mechanical failure 15 (33) 4 (19) 4 (36) 1 (20) 0.595 Shunt infection 11(24) 8 (38) 3 (27) 2 (40) 0.660 Proximal catheter malfunction 8 (18) 2 (9.5) 1 (9) 0 (0) 0.580 Distal catheter obstruction 5 (11) 2 (9.5) 0 (0) 1 (20) 0.598 Others 3 (7) 5 (24) 3 (27) 1 (20) 0.156 *Not documented 3 (7) 0 (0) 0 (0) 0 (0) 0.464 Surgical procedures done during shunt revisions Total cases at first revision (n=45) Total cases at second revision (n=21) Total cases at third revision (n=11) Total cases at fourth revision (n=5) P-value Distal catheter 4 (9) 4 (19) 1 (9) 0 (0) 0.521 Proximal + valve 6 (13) 0 (0) 0 (0) 0 (0) 0.150 Proximal catheter 7 (16) 3 (14) 2 (18) 0(0) 0.801 Valve 9 (20) 3 (14) 4 (36) 0 (0) 0.311 Whole shunt system 17 (38) 10 (48) 4 (36) 4 (80) 0.298 Not documented 2 (4) 1 (5) 0 (0) 1 (20) 0.490 Valve type Median number of revisions Interquartile range P-value Low pressure 1 1 0.773 Medium pressure 1.5 2 Medium-low pressure 1 1 Programmable 2 3 Hole locations Total cases at first revision (n=45) Total cases at second revision (n=21) Total cases at third revision (n=11) Total cases at fourth revision (n=5) Same hole placement 29 (33) 18 (85.7) 9 (81.8) 3 (60) New hole placement 12 (26.6) 3 (14.3) 2 (18.2) 1 (20) Not documented 4 (8.8) 0 (0) 0 (0) 1 (20)
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