Table 3.
Review of current literature
| Study | Bearing surface | Incidence of squeaking | Average followup | Findings |
|---|---|---|---|---|
| Holloway et al. [5] | MOM bearing with polyethylene sandwich cup | 3.7% (1/27) | 105 months | Occurs transiently and on occasion 10 years postoperatively when dressing |
| Willert et al. [15] | MOM | 15.8% (3/19) | Unknown | Population of patients scheduled for revision THA |
| Glaser et al. [4] | MOM | 100% (5/5) | Unknown | No audible sounds detected by patients before study |
| Back et al. [1] | MOM resurfacing | 3.9% (9/230) | 36 months | Isolated episodes that occurred within 6 months of operation |
| Current study | Modular MOM | 8/539 (1.5%) | 76 months | Intermittent noise with no pain, one patient elected revision of metal to polyethylene liner |
MOM = metal-on-metal.