• Daniel Figueiredo Alencar, Matheus Lemos Azi, Roberto Almeida Rego Souza, Lucas Rebouças Silva, Humberto Lima Costa, David Sadgursky, and Gildásio Daltro.
• Manoel Victorino Hospital, Secretary of Health for the State of Bahia Conselheiro Almeida Couto square S/N, 40050-410, Salvador, Bahia, Brazil. Electronic address: alencarortopedia@gmail.com.
• Injury. 2021 Jul 1; 52 Suppl 3: S54-S59.

IntroductionAnterior external fixation is a well-established technique for treating pelvic ring injuries, but many complications are associated with it. The subcutaneous anterior internal fixator (INFIX) technique is associated with reduced complication rates and is less uncomfortable for patients.ObjectiveThis study evaluated functional outcomes among patients with pelvic ring injuries treated using the INFIX method.Patients And MethodsIn this retrospective case series, patients treated using the INFIX technique were reviewed for functional outcomes, using the Iowa Pelvic Score (IPS). Thirty-four patients, of mean age 39.2 years, were evaluated after a mean follow-up of 1.2 years.ResultsTwenty-three of the 34 patients experienced reduction classified as excellent, and eleven as good, with no instances of moderate or poor reduction. One patient developed implant exposure and infection during follow-up. Twenty-six ultimately experienced an excellent or good functional result. The average final IPS was 79.4 (range: 48-100).ConclusionOur results reinforce prior evidence that the INFIX method is safe for fixating pelvic ring lesions. Most of our patients also experienced excellent or good functional recovery, suggesting that this technique is a viable option for treating certain pelvic ring injuries.Copyright © 2021. Published by Elsevier Ltd.

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