Background: Despite patients demonstrating significant short-term clinical improvement from a hip arthroscopy (HA), a number of patients progress to significant osteoarthritis of the hip requiring total hip arthroplasty (THA). This study aims to evaluate if there is any difference in the functional outcome of patients undergoing THA after a previous hip arthroscopy compared to patients undergoing THA for primary osteoarthritis of the hip. Methods: Between 2010 and 2013, in a group of 414 patients who underwent hip arthroscopy, we identified 18 patients who underwent a subsequent uncemented THA. These formed the study group. During the same period, 625 patients underwent an uncemented THA performed for primary OA, of which 63 patients were matched to the study group for age, follow-up and implants used. These formed the control group. Pre-op and post-op Oxford Hip Scores (OHS) were recorded for all patients. Results: A mean follow-up of 26.5 and 26.3 months was observed in the study and control groups respectively. The median (interquartile ranges) preoperative OHS were 14 (8.25, 17.0) and 18.5 (13.25, 24.75) in the 2 groups. Corresponding postoperative scores were 40 (31.25, 45) and 46 (43, 48). Median difference between the preoperative and postoperative OHS was 27 (19, 31) and 25 (18.25, 31). Adjusting for the pre-treatment scores, the postoperative scores in the study arm were significantly lower than for the control arm with an estimate (SE) of −0.464 (p = 0.012). Post-hoc power analysis showed that the study was sufficiently powered to detect a meaningful difference in scores. Conclusion: Total hip arthroplasty after hip arthroscopy leads to satisfactory functional outcomes. However, the functional outcome in this group is significantly worse than in a matched cohort of patients undergoing THA for osteoarthritis. There was no difference in the rate of complications between the 2 groups.
Background: The aim of this study was to present our clinical outcomes and surgical technique in strut allografts preparation using staggered holes to enhance osteointegration and demineralised bone matrix (DBM) as an adjunct to cortical strut allografts in salvage revision arthroplasty patients. Methods: Retrospective consecutive series of patients who required strut allograft femoral reconstructions with minimum 2 years follow up between 2012 and 2018. Frozen washed irradiated, cortical struts were used and prepared adding 2 mm staggered drill holes along the length of the strut and applying DBM paste on the graft-host interface. Outcome measures included radiographic strut union, graft resorption, infection and complications. Results: 15 patients included; 3 males and 12 females with median age 72 years (range 60e93). All had significant bony defects (Paprosky III/IV in 12 cases including 3 cases of periprosthetic hip fractures and further 3 cases of periprosthetic knee fractures around revision hinged implants). At final follow up, median 3.8 years (range 2.7e7.2), 14/15 (93.3%) struts had united at a median 6 months (range 5e8), complete incorporation with cortical round-off was seen at median 12 months (range 8e48) in 12/15 (80%) struts, 2/15 (13.3%) show radiographic evidence of proximal minimal graft resorptions although the remainder of the strut had integrated and were asymptomatic. There were no cases of infection. Conclusions: Use of strut allografts helps to reconstruct bone defects, restore bone stock, and provide stable fixation for complex patterns of periprosthetic fractures around hip/knee implants and salvage revision cases with 93.3% union rate at median 6 months.
Purpose To investigate the clinical outcome, level of patient satisfaction, re-injury and re-operation rates of patients 7–10 years after augmented hip abductor tendon repair. Methods Between October 2012 and May 2015, 146 patients were referred to the senior author with symptomatic hip abductor tendon tears, of which 110 (101 female, 92%) were included in the current study and underwent hip abductor tendon repair augmented with LARS. Patients had a mean age of 63.2 years (range 43–82), body mass index of 27.8 (range 20.0–40.2) and duration of symptoms of 3.6 years (range 6 months–18 years). Patient-reported outcome measures (PROMs) were evaluated pre-operatively and at 3, 6, 12 and 24 months, as well as 7–10 years post-operatively, including the Oxford Hip Score (OHS), 12-item Short Form Health Survey (SF-12), a Visual Analogue Pain Scale (VAS) evaluating the frequency (VAS-F) and severity (VAS-S) of hip pain, and patient satisfaction. Adverse events, surgical failures, revisions and subsequent treatments on the ipsilateral hip were reported. Results A significant improvement (p < 0.05) was observed for all PROMs and, while a mean deterioration was observed for all PROMs from 24 months to final review (7–10 years), these were not significant (n.s.). In the 90 patients retained and assessed at final review, 93% were satisfied with their hip pain relief and 89% with their ability to participate in recreational activities. Overall, 9 (of 110, 8.2%) surgical failures were observed over the 7–10-year follow-up period. Conclusions Good clinical scores, a high level of patient satisfaction and an acceptable re-injury rate were observed at 7–10 years after augmented hip abductor tendon repair, demonstrating satisfactory repair longevity. Level of evidence IV.
The technique of administering an intra-articular hip injection with image guidance has been described in detail with important tips to avoid injury to labrum, neuro-vascular structures and other complications.
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