Validation of patient‐specific surgical guides for femoral neck cutting in total hip arthroplasty through the anterolateral approach. Issue 3 (8th May 2017)

• Record Type: Journal Article
• Authors: Sakai, Takashi; Hamada, Hidetoshi; Takao, Masaki; Murase, Tsuyoshi; Yoshikawa, Hideki; Sugano, Nobuhiko
• Is Part Of: International journal of medical robotics and computer assisted surgery. Volume 13:Issue 3(2017)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2017-05-08
• Subjects: accuracy -- anterolateral approach -- neck cut -- patient specific surgical guide -- total hip arthroplasty; Robotics in medicine -- Periodicals; Surgery -- Technological innovations -- Periodicals; Imaging systems in medicine -- Periodicals; 617.90285
• DOI: 10.1002/rcs.1830
• Languages: English
• ISSNs: 1478-5951

Abstract

Abstract: Background: The aim of this study was to validate the effectiveness of neck‐cut patient‐specific surgical guides (PSGs) for femoral component implantation in total hip arthroplasty (THA) through the anterolateral approach compared with that without PSG. Methods: A total of 32 fresh cadaveric hips were included. Anatomical stem implantation with wide‐base‐contact PSG (AWP group) and without PSG (control group) were compared. The absolute errors between preoperative planning and PSG setting (E1), as well as those between preoperative planning and postoperative component implantation (E2) were evaluated using CT. Results: The E1/E2 values of AWP were 0.9±0.3°/0.6±0.6° in the coronal plane, and 1.7±0.8°/1.0±0.9° in the sagittal plane, and 1.0±0.6 mm/1.0±1.1 mm for the medial height. The E2 value in the sagittal plane ( P =0.037) and the medial height ( P =0.011) of AWP were significantly smaller than those of control group. Conclusions: The neck‐cut PSG through the anterolateral approach is effective for femoral component implantation.