Computed tomography is not necessary to assess rotation of the femoral component in navigation-assisted total knee replacement.

Autor: Hernández-Vaquero D; 1 School of Medicine, University of Oviedo, Spain.; 2 Hospital San Agustin, Aviles, Spain., Noriega-Fernandez A; 2 Hospital San Agustin, Aviles, Spain., Perez-Coto I; 2 Hospital San Agustin, Aviles, Spain., Sandoval García MA; 2 Hospital San Agustin, Aviles, Spain., Sierra-Pereira AA; 2 Hospital San Agustin, Aviles, Spain., Roncero-Gonzalez S; 2 Hospital San Agustin, Aviles, Spain., Fernandez-Carreira JM; 2 Hospital San Agustin, Aviles, Spain.
Jazyk: angličtina
Zdroj: The Journal of international medical research [J Int Med Res] 2016 Dec; Vol. 44 (6), pp. 1314-1322. Date of Electronic Publication: 2016 Nov 12.
DOI: 10.1177/0300060516665258
Abstrakt: Objective To demonstrate that postoperative computed tomography (CT) is not needed if navigation is used to determine the rotational position of the femoral component during total knee replacement (TKR). Methods Preoperative CT, navigational, and postoperative CT data of 70 TKR procedures were analysed. The correlation between the rotational angulation of the femur measured by CT and that measured by perioperative navigation was examined. The correlation between the femoral component rotation determined by navigation and that determined by CT was also assessed. Results The mean femoral rotation determined by navigation was 2.64° ± 4.34°, while that shown by CT was 6.43° ± 1.65°. Postoperative rotation of the femoral component shown by CT was 3.09° ± 2.71°, which was closely correlated with the angle obtained through the intraoperative transepicondylar axis by navigation (Pearson's R = 0.930). Conclusions Navigation can be used to collect the preoperative, intraoperative, and postoperative data and final position of the TKR. The rotation of the femoral component can be determined using navigation without the need for CT.
Databáze: MEDLINE