Table 2. Comparison of vertigo control and hearing loss in studies using gentamicin at weekly or monthly basis as needed.
| Study | Date | Patients | Injections | Hearing loss | Vertigo control |
|---|---|---|---|---|---|
| Harner et al 9 | 1998 | 43 | 1 injection, another one 1 month later | None | 43 (100%) |
| Minor 10 | 1999 | 34 | Weekly interval until certain signs | 1 (3%) | 28 (91%) |
| Atlas et al 11 | 1999 | 83 | Weekly interval (maximum of 4) | 14 (17%) | 70 (84%) |
| Martin et al 12 | 2003 | 71 | Weekly | 11 (15.5%) | 59 (83.1%) |
| Flanagan et al 13 | 2006 | 56 | One injection | 12 (21.4%) | 46 (81.3%) |
| De Beer et al 14 | 2007 | 57 | 27 days minimum | 9 (15.8%) | 46 (80.7%) |
| Casani et al 15 | 2012 | 32 | Weekly (maximum of 2) | 4 (12%) | 26 (81%) |