“…Recently, some modifications to the Ravitch and Welch procedure were proposed (Del Frari & Schwabegger, 2011;Fonkalsrud & Anselmo, 2004), attempting to reduce the invasiveness of this approach, by reducing the extent of muscle and cartilage resection. The best treatment for PC type 2 and Currarino Silverman syndrome remains the open procedure (Brichon & Wihlm, 2010), while the following alternatives, minimally invasive or conservative techniques, have been recently proposed for type 1 PC, with good results: -The orthotic brace system, proposed already in 1992 (Haje & Bowen, 1992) but popularized only recently by different groups approximately at the same time (Banever et al, 2006;Frey et al, 2006;Kravarusic et al, 2006;Rapuzzi et al, 2010, Swanson & Colombani, 2008, is based on the principle of reshaping the thorax during puberty due to thoracic malleability (as in Nuss procedure for PE) by applying a dynamic compression on it. Martinez-Ferro (Martinez-Ferro et al, 2008) added to this system the possibility to measure the pressure necessary to the correction and to regulate it (dynamic compression system, DCS).…”