Table 6.
Summary results.
| Demographic | ||||
| Number of studies: 29 | Initial THA: 1220 THA (followed >12 months): 1174 |
Mean follow-up: 86 months | Gender (% male): 70% | Time interval following fracture: 71 months |
| Injury | ||||
| High mechanism: 88% (353/401, 14 studies) | Associated dislocation, 43% (125/294, 8 studies) | Elementary Letournel and Judet: 48% (477/985), 24 studies), PW 30%, PC 6%, AW 0.4%, AC 3%, Tr 8% | Associated Letournel and Judet: 52% (508/985, 24 studies). PC+PW 12%, T-Type 7%, PW+Tr 11%, AC+PH 5%, ABC 14% | Initial management: ORIF 75% (919/1220), conservative 25% (301/1220) |
| Acetabular malunion: 10% (48/455, 10 studies) | Femoral head AVN: 30% (118/385, 11 studies) | Previous infection: 12% (26/218, 6 studies) | Bone loss, AAOS classification: 56% (209/374, 8 studies) type-1 22%, type-2 18%, type-3 15%, type-4/5 1% | Sciatic nerve injury 10% (64/661, 14 studies) |
| Technique | ||||
| Uncemented implants: acetabulum 88% (1014/1148, 28 studies), femoral 84% (690/824, 20 studies) | Bone grafting: 39% (294/745, 18 studies) removal of metal: 21% (190/919) | THA approach (24 studies): posterior 64% (670/1042), anterolateral 21% (218/1042) | ORIF approach (9 studies): Kocher Langenbach 63% (187/296), ilioinguinal 17% (51/296), other including dual 20% (58/296) | Mean blood loss: 822 ml (14 studies). Operative time 131 minutes (16 studies) |
| Functional | ||||
| Harris Hip Score preoperative: 45 (14 studies, 516 THA) | Harris Hip Score postoperative: 86 (18 studies 638 THA) | |||
| Revision | ||||
| Total: 9.7% (102/1053, 27 studies at mean 91 months) Modern (THA 2000-2020): 7.7% (34/444, 13 studies at mean 77 months) |
Aseptic loosening revision: 5.4% (51/948, 25 studies at mean 89 months) | Infection revision: 2.3% (25/1102 28 studies at mean 89 months) | Dislocation/instability revision: 2.2% (22/105, 26 studies at mean 88 months) | |
| Complications | ||||
| Infection: 3.6% (42/1152, 28 studies at mean 86 months). ORIF 5.4% (29/540, 17 studies at mean 76 months) | Dislocation: 4.4% (42/944, 23 studies at mean 92 months). ORIF 4.7% (16/342, 11 studies at mean 82 months) | Intraoperative sciatic nerve injury: 2.5% (17/668, 15 studies) | Heterotopic ossification: 27.8% (195/702, 17 studies) |