Table 3.
Reported survival rates of first- and second-generation stemmed metal-on-metal THA
| Study | Number of hips (patients) | Type of bearing design | Followup (months)* | Femoral fixation | Acetabular fixation | Survival (%) | Level of evidence |
|---|---|---|---|---|---|---|---|
| First generation | |||||||
| Brown et al. [9] (2002) | 123 (101) | Modified low-tolerance CoCrMo | 336 | Cemented | Cemented | 74† | IV |
| Higuchi et al. [35] (1997) | 38 (38) | Modified low-tolerance CoCrMo | 135 (24–240) | Cemented | Cemented | 71 | IV |
| Dandy and Theodorou [13] (1975) | 739 (NR) | Modified low-tolerance CoCrMo | 60 (24–96) | Cemented | Cemented | 93 | IV |
| McKee and Watson-Farrar [60] (1966) | 50 (50) | Low-tolerance CoCrMo | 36 (24–48) | Cemented | Cemented | 96 | IV |
| Second generation | |||||||
| Neumann et al. [69] (2010) | 100 (99) | High-tolerance CoCrMo | 126 (120–143) | Uncemented | Uncemented | 94 | IV |
| Paleochorlidis et al. [75] (2009) | 99 (84) | High-tolerance CoCrMo | 114 (72–180) | Uncemented | Uncemented | 95 | IV |
| Zijlstra et al. [100] (2009) | 102 (NR) | High-tolerance CoCrMo | 60 | Cemented | Cemented | 97† | I |
| Dastane et al. [16] (2008) | 82 (80) | High-tolerance CoCrMo | 66 (26–140) | Uncemented | Uncemented | 99 | III |
| Delaunay et al. [19] (2008) | 83 (73) | High-tolerance CoCrMo | 120 | Uncemented | Uncemented | 96† | IV |
| Eswaramoorthy et al. [23] (2008) | 85 (82) | High-tolerance CoCrMo | 120 | Uncemented | Cemented | 96† | IV |
| Grubl et al. [30] (2007) | 105 (98) | High-tolerance CoCrMo | 120 | Uncemented | Uncemented | 99† | IV |
| Sharma et al. [86] (2007) | 209 | High-tolerance CoCrMo | 72 (60–132) | Cemented | Cemented | 95 | IV |
| Milosev et al. [63] (2006) | 640 (591) | High-tolerance CoCrMo | 120 | Uncemented | Uncemented | 93† | IV |
| Saito et al. [83] (2006) | 106 (90) | High-tolerance CoCrMo | 72 (60–96) | Uncemented | Cemented | 99 | IV |
| Jacobs et al. [39] (2004) | 95 (95) | High-tolerance CoCrMo | 40 (36–68) | Uncemented | Uncemented | 99 | I |
| Long et al. [52] (2004) | 161 (154) | High-tolerance CoCrMo | 76 (24–108) | Uncemented | Uncemented | 96 | IV |
| MacDonald et al. [53] (2003) | 22 (22) | High-tolerance CoCrMo | 38 (26–47) | Uncemented | Uncemented | 100 | I |
| Lombardi et al. [51] (2001) | 78 (78) | High-tolerance CoCrMo | 39 (23–62) | Uncemented | Uncemented | 100 | II |
| Dorr et al. [20] (2000) | 70 (70) | High-tolerance CoCrMo | 60 (48–84) | Uncemented | Uncemented | 98 | IV |
| Wagner and Wagner [95] (2000) | 76 (76) | High-tolerance CoCrMo | 60 (44–88) | Uncemented | Uncemented | 100 | IV |
| Weber [96] (1996) | 100 (98) | High-tolerance CoCrMo | 48 (24–84) | Uncemented | Uncemented | 95 | IV |
* Values are expressed as mean, with range in parentheses; †survivorship at noted followup time; NR = not reported; CoCrMo = cobalt-chromium-molybdenum.