Preoperative and Postoperative Comparisons of Navigation and Radiologic Limb Alignment Measurements After High Tibial Osteotomy

Comparative analysis of osteotomy accuracy between the conventional and devised technique using a protective cutting system in medial open-wedge high tibial osteotomy

“…The amount of distraction or control of the tibial slope is adjusted according to the preoperative planning. This is done by the real estimation to the target point (about 62.5 % weight-bearing line) by the printed real-size wholeleg radiograph or a picture archiving and communications system (PACS, Marotech)-Adobe Photoshop (version 12.0, Adobe™) method [12,13]. For the prevention of an unexpected increase of the tibial posterior slope, a posterior osteotome is advanced to the level of the proximal tibiofibular joint, and the gap is opened at the posterior side [14].…”

Effect of soft tissue laxity of the knee joint on limb alignment correction in open-wedge high tibial osteotomy

“…Alignment correction errors may be due to high intraobserver variations and the low reproducibility of intraoperative assessment tools, including fluoroscopy-based methods and navigation [6,19,20,24].…”

Comparative Study of Opening-Wedge High Tibial Osteotomy With and Without a Combined Computed Tomography–Based and Image-Free Navigation System

“…8,17,20,46,47 Meanwhile, Marti et al 48 proposed that the correction angle should be planned according to the cartilage width on the standing whole-leg radiograph. If onethird of the thickness of the medial cartilage was lost, the mechanical axis was planned to pass lateral to the center of the knee at the 10% position.…”

“…Besides the cable and grid method, 13,14 various methods using Kirschner wires, external fixators, or image intensifiers have been proposed to maintain the original TPS during the procedure. 17,24,[44][45][46] The issue of whether a navigation system has advantages compared with these methods remains unclear.…”

“…17,38 Our study could connect preoperative planning with the surgical technique. However, an irregular osteotomy plane tends to be formed at the posterolateral side, 46 and an accurate surgical technique is required. We controlled the intraoperative TPS using an image-free navigation system, but the issue of whether the osteotomy plane should be parallel to the tibial plateau plane remains unclear.…”