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Purpose: the aim of this study was to evaluate preliminary clinical and radiographic results of arthroscopic treatment of cam-type femoroacetabular impingement (FAI). Methods: thirty-eight patients underwent hip arthroscopy for cam-type FAI between 2009 and 2012. Preoperative assessment was based on clinical examination, modified Harris Hip Score (mHHS) and radiographic examination with anteroposterior pelvis, frogleg and Lequesne views. The patients' clinical conditions at follow-up were assessed using the mHHS administered as a telephone survey. Radiographic outcome measurements evaluated pre and postoperatively were the alpha angle and femoral head-neck offset. Results: the patients were clinically evaluated at a mean follow-up of 36 months. Radiographic followup was performed at an average of 12.7 months. Thirty of the 38 patients (79%) were satisfied with the results of the arthroscopic procedure. A total of nine patients subsequently underwent a total hip replacement. All 30 patients who declared themselves satisfied recorded an mHHS increase; in particular, the mHHS increased from a mean of 52.9 preoperatively (range: 27.5-82.5) to a mean of 85.6 postoperatively (range: 45.1-100.1). Three significant differences between the two groups of patients (satisfied and not satisfied) were recorded: mean age, alpha angle and BMI were all significantly greater in the patients who were not satisfied with the treatment.Conclusions: a crucial aspect in order to obtain good clinical outcomes of arthroscopic treatment of camtype impingement is correct selection of patients who are likely to benefit from this kind of surgery. Hip arthroscopy should be avoided in patients aged over 50 years with risk factors for early osteoarthritis (high BMI and a significantly increased alpha angle). Level of evidence: Level IV, therapeutic case series.

The importance of the lateral meniscus in weight bearing, distribution of force, shock absorption, articular cartilage protection, proprioception, stabilization of the joint, and joint lubrication is well known. Surgeons currently agree on the importance of preserving the menisci. Different suture techniques have been standardized. These include outsidein, inside-out, and all-inside techniques. The all-inside technique can be used to repair lesions of the posterior horn of the lateral meniscus. However, this technique presents important disadvantages, such as the necessity for an accessory portal and a high risk of neurovascular damage. For these reasons, we have developed a technique in which a suture hook and a shuttle relay are used to pass the suture wire through the meniscal lesion of the posterior horn of the lateral meniscus with an all-inside technique, without the use of accessory portals and cannulas, with a standard 30 arthroscopic camera.

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