Objective iHOT12/33 is an outcome tool designed for young patients with hip problems. The objective of this study is to translate and establish a cross-cultural adaptation of this questionnaire to Portuguese.MethodThe Guillemin guidelines were followed for the translation and cross-cultural adaptation consisting on: translation, back-translation, prefinal version, administration of the Questionnaire, and editing of the final version.ResultsThe prefinal version was applied to 30 young patients with hip problems. Some difficulties in understanding some of the words and expressions were noted, and these were replaced with simpler ones, achieving the patient's full acceptability in the final version of the Questionnaire.ConclusionThe creation of the Brazilian version of the International Hip Outocome Tool (iHOT) 12/33 enables this questionnaire to be used in the evaluation of patients with hip problems in Brazil, and was clearly understood, with good acceptance by the patients tested. Level of evidence II - Development of diagnostic criteria on consecutive patients (with universally applied reference "gold" standard).

Objective: The Bernese periacetabular osteotomy (PAO) is a widely used technique for the treatment of non-arthritic, dysplastic, painful hips. It is considered a highly complex procedure with a steep learning curve. In an attempt to minimize complications, a double anterior-posterior approach has been described. We report on our experience while performing this technique on cadaveric hips followed by meticulous dissection to verify possible complications. Methods: We operated on 15 fresh cadaveric hips using a combined posterior Kocher-Langenbeck and an anterior Smith-Petersen approach, without fluoroscopic control. The PAO cuts were performed and the acetabular fragment was mobilized. A meticulous dissection was carried out to verify the precision of the cuts. Results: Complications were observed in seven specimens (46%). They included a posterior column fracture, and posterior and anterior articular fractures. The incidence of complications decreased over time, from 60% in the first five procedures to 20% in the last five procedures. Conclusions: We concluded that PAO using a combined anterior-posterior approach is a reproducible technique that allows all cuts to be done under direct visualization. The steep learning curve described in the classic single incision approach was also observed when using two approaches. Evidence Level: IV, Cadaveric Study.

RESUMO Objetivo: Determinar a resistência mecânica à tração e à flexão de três modelos de pinos de Schanz, dois disponíveis no Brasil e o proposto neste estudo: o cônico com 4,0 a 5,0mm de diâmetro máximo, o pino com diâmetro de 5,0mm, comprimento de rosca de 40mm e alma de 3,2mm e o proposto neste trabalho, com 5,0mm de diâmetro, alma de 3,2mm

Hip arthroscopy is a safe method for treating a variety of pathological conditions that were unknown until a decade ago. Femoroacetabular impingement is the commonest of these pathological conditions and the one with the best results when treated early on. The instruments and surgical technique for hip arthroscopy continue to evolve. New indications for hip arthroscopy has been studied as the ligamentum teres injuries, capsular repair in instabilities, dissection of the sciatic nerve and repair of gluteal muscles tears (injuries to the hip rotator cuff), although still with debatable reproducibility. The complication rate is low, and ever-better results with fewer complications should be expected with the progression of the learning curve.

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