| Immediate unrestricted weight bearing on an uncemented stem does not compromise subsidence or bone ingrowth | Hol et al., Arch Orthop Trauma Surg 2010 (PMID 20012073); Woolson & Adler, J Arthroplasty 2002 (PMID 12375238) |
| Anterior/anterolateral approach with no formal restrictions: 0.15% dislocation in 2,612 hips | Restrepo et al., Clin Orthop Relat Res 2011 (PMID 21076896) |
| Medial iliofemoral ligament provides 68–80% of the hip’s resistance to external rotation; repair restores 17–25% | Bido et al., J Arthroplasty 2024 (PMID 38537838) |
| 58.8% of anterior-approach dislocations occur posteriorly | Christensen et al., J Arthroplasty 2023 (PMID 37236286) |
| Anterior approach, less pain days 1–2, better function at 2 and 6 weeks, no difference at 6–12 months | Nassar et al., Orthop Rev 2025 (PMID 40416593) |
| Anterior approach: shorter hospital stay (about a third of a day) and better Harris Hip Score at 6 weeks (24 RCTs) | Ang et al., Eur J Orthop Surg Traumatol 2023 (PMID 37010580) |
| Walking aids discarded about 11 days earlier after the anterior approach; lateral femoral cutaneous nerve injury RR 38.97 vs posterior | Yang et al., Orthop Surg 2020 (PMID 32558261) |
| AOANJRR, no overall difference in revision between approaches; anterior more femoral complications, posterior more dislocation | Hoskins et al., J Bone Joint Surg Am 2020 (PMID 32769807); Hoskins et al., Hip Int 2024 (PMID 38529902) |
| Insufficient evidence that any surgical approach or technique independently changes time to meeting discharge criteria | Wainwright et al., Acta Orthop 2020: ERAS Society consensus (PMID 31663402) |
| Lateral femoral cutaneous nerve numbness spontaneously reported by about 1% of patients | Gorur et al., Arthroplast Today 2024 (PMID 39100423) |
| Lateral femoral cutaneous nerve altered sensation in 21–36% of patients when specifically sought | Vasantharao et al., Hip Int 2022 (PMID 32787466); Sang et al., J Arthroplasty 2021 (PMID 34074541); Homma et al., Int Orthop 2016 (PMID 26224618) |
| 96% spontaneous improvement of thigh numbness; prevalence falling from 31.9% to 11.2% between 13 and 26 months | Ozaki et al., J Orthop Surg 2017 (PMID 28118808) |
| Lateral femoral cutaneous nerve injury does not affect hip function scores | Homma et al., Int Orthop 2016 (PMID 26224618) |
| Braking returns to baseline about 2 weeks after right hip replacement | van der Velden et al., Bone Joint J 2017 (PMID 28455464) |
| Pooled driving recommendation 4.5 weeks; individualise by side and transmission | Patel et al., Hip Int 2023 (PMID 33736494) |
| Return to sport, about 5 activities permitted by 6 weeks and 37 of 47 by 6 months; contact sport not permitted (expert consensus survey) | Thaler et al., J Arthroplasty 2021 (PMID 33277143) |
| Surgeons steadily more permissive about activity after hip replacement; perceived risk minimal | Vu-Han et al., Arch Orthop Trauma Surg 2021 (PMID 33258998) |
| Air travel, no demonstrated difference in clot risk after joint replacement; long-haul flights over 4 hours carry a higher baseline risk | Elmenawi et al., JBJS Rev 2025 (PMID 40259452) |
| Bruising tracking down the thigh after hip replacement | No primary literature identified: presented as a consistent clinical observation, not a studied finding |