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STEROID HIP INJECTION UTILISATION IN ONTARIO



Abstract

Introduction and Aims: Intra-articular steroid hip injection (IASHI) has been extensively administered for painful hip arthritis since the 1950s, but with advances in medical and surgical management, its role is less certain today. There is very little published data on the utility or prescribing patterns of IASHI.

Method: A questionnaire seeking expert opinions on IASHI was developed and distributed to practising Ontario-based members of the Canadian Orthopaedic Association. Initial phone calls identified those who perform hip replacements, and subsequent faxed forms had a 73% response rate (99 surgeons). We systematically describe the current practices and expert opinions of 99 hip surgeons, on the use of IASHI, focusing on indications, current usage, and complications.

Results: Only 56% of surgeons felt that IASHI was actually useful therapeutically, though four in five surgeons cited the usefulness of hip injection for differentiating hip-spine co-morbidity in diagnostically challenging patients. Therapeutic benefit from IASHI was perceived to be poor, with 72% of surgeons estimating that between zero and 60% of their patients achieved any benefit at all from the injections, with duration of benefit uniformly estimated as being between zero and six months. Infection rates were considered to be less than 2% by most surgeons. One quarter of the surgeons felt that IASHI accelerates arthritis progression, most of whom had stated that it would be no great loss if IASHI was no longer available. Nineteen percent of the surgeons believed that there may be increased infection rate of THA after IASHI, and this was associated with lower numbers of IASHI ordered per year, compared to those who did not feel that infection rates would increase. The opinions of this large group of experts is consistent with efficacy studies, and forms a context for our ongoing studies of infected hip arthroplasty post-IASHI.

Conclusion: Opinions were mixed, with substantial numbers of surgeons stating that the procedure is not therapeutically helpful, may accelerate arthritis progression, or may increase infections after subsequent total hip arthroplasty. This information provides a systematic collection of expert opinions, as well as a context for forthcoming studies on effectiveness and complications.

These abstracts were prepared by Editorial Secretary, George Sikorski. Correspondence should be addressed to Australian Orthopaedic Association, Ground Floor, The William Bland Centre, 229 Macquarie Street, Sydney, NSW 2000, Australia.

At least one of the authors is receiving or has received material benefits or support from a commercial source.