Clinical effectiveness of adding a single ultrasound-guided intra-articular corticosteroid and local anaesthetic injection, to advice and education for hip osteoarthritis (HIT trial): a single-blind, parallel-group three-arm randomised controlled trial

Zoe Paskins, Kieran Bromley, Martyn Lewis, Gemma Hughes, Susie Hennings, Andrea Cherrington, Alison Hall, Melanie Holden, Kay Stevenson, Ajit Menon, Philip Roberts, George Peat, Clare Jinks, Jesse Kigozi, Raymond Oppong, Nadine E Foster, Christian Mallen, Edward Roddy

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Abstract

Objective To compare the clinical effectiveness of adding a single ultrasound guided intra-articular hip injection of corticosteroid and local anaesthetic to advice and education in adults with hip osteoarthritis.

Design Pragmatic, three arm, parallel group, single blind, randomised controlled trial.

Setting Two community musculoskeletal services in England.

Participants 199 adults aged ≥40 years with hip osteoarthritis and at least moderate pain: 67 were randomly assigned to receive advice and education (best current treatment (BCT)), 66 to BCT plus ultrasound guided injection of triamcinolone and lidocaine, and 66 to BCT plus ultrasound guided injection of lidocaine.

Interventions BCT alone, BCT plus ultrasound guided intra-articular hip injection of 40 mg triamcinolone acetonide and 4 mL 1% lidocaine hydrochloride, or BCT plus ultrasound guided intra-articular hip injection of 5 mL 1% lidocaine. Participants in the ultrasound guided arms were masked to the injection they received.

Main outcome measures The primary outcome was self-reported current intensity of hip pain (0-10 Numerical Rating Scale) over six months. Outcomes were self-reported at two weeks and at two, four, and six months.

Results Mean age of the study sample was 62.8 years (standard deviation 10.0) and 113 (57%) were women. Average weighted follow-up rate across time points was 93%. Greater mean improvement in hip pain intensity over six months was reported with BCT plus ultrasound-triamcinolone-lidocaine compared with BCT: mean difference −1.43 (95% confidence interval −2.15 to −0.72), P<0.001; standardised mean difference −0.55 (−0.82 to −0.27). No difference in hip pain intensity over six months was reported between BCT plus ultrasound-triamcinolone-lidocaine compared with BCT plus ultrasound-lidocaine (−0.52 (−1.21 to 0.18)). The presence of ultrasound confirmed synovitis or effusion was associated with a significant interaction effect favouring BCT plus ultrasound-triamcinolone-lidocaine (−1.70 (−3.10 to −0.30)). One participant in the BCT plus ultrasound-triamcinolone-lidocaine group with a bioprosthetic aortic valve died from subacute bacterial endocarditis four months after the intervention, deemed possibly related to the trial treatment.

Conclusions Ultrasound guided intra-articular hip injection of triamcinolone is a treatment option to add to BCT for people with hip osteoarthritis.
Original languageEnglish
Article numbere068446
Pages (from-to)1-15
Number of pages15
JournalBMJ
Volume377
Early online date6 Apr 2022
DOIs
Publication statusE-pub ahead of print - 6 Apr 2022

ASJC Scopus subject areas

  • General Medicine

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