Stabilographic features of standing in patients before and after the total hip replacement

R.V. Klimovitsky, H.D. Karpinskaya, A.A. Tyazhelov, L.D. Goncharova

Abstract


Background. One of the methods for evaluating the outcomes of total hip replacement is stabilography. According to the exa­
mination of patients after arthroplasty, standing disorders persist for 12–24 months. We associated these disorders with the inadequacy of the pelvic muscles due to the long­existing hip joint contracture prior to surgery. Materials and methods. We performed a statographic exa­ mination of 24 patients with coxarthrosis several days before and 9–12 months after the operation, after complete restoration of patients’ ability to walk. Two groups were studied: the first group consisted of patients whose postoperative global femoral offset decreased by more than 5 mm compared to baseline values. The second group included patients whose global femoral offset after surgery had not changed in comparison with the same parameters before surgery. The change in the coordinates of the common center of mass projection and the oscillation frequency were analyzed. Results. It was found that a decrease in the abductor arm length after surgery leads to a statistically significant change in the shape and area of displacement of common center of mass projection, and also to an increase in the speed and frequency of the oscillations of the common center of mass projection that indicates an increase in energy expenditure for maintaining the vertical posture. Conclusions. As the abductor arm length decreases after replacement, the energy expenditure of the muscles to maintain the patient’s erect posture increases. Consequently, energy exhaustion occurs more quickly, which is clinically manifested by symptoms of abductor mechanism failure.


Keywords


global femoral offset; stabilography

References


Beaulieu ML.., Lamontagne M., Beaulé P.E.. Lower limb biomechanics during gait do not return to normal following total hip arthroplasty // Gait and Posture. – 2010. - №.32. – Р. 269–273

Lamontagne M1, Beaulieu ML, Beaulé PE. Comparison of joint mechanics of both lower limbs of THA patients with healthy participants during stair ascent and descent. J Orthop Res. 2011 Mar;29(3):305-11. doi: 10.1002/jor.21248.

McCrory JL1, White SC, Lifeso RM. Vertical ground reaction forces: objective measures of gait following hip arthroplasty //Gait Posture. 2001 Oct;14(2):104-9.

Klimovitsky R.V. An improved technique for the clinical evaluation of the functional activity of pelvic girdle muscles responsible for maintaining the postural balance. / RV Klimovitsky, AA Tjazhelov, LD Goncharova // Orthopedics, traumatology and prosthetics, 2017. - No. 4. - S. 28-33.

Selection of endoprosthesis components and total femoral offset after hip arthroplasty (X-ray examination) / VA Filippenko, RV Klimovitsky, A. Tjazhelov, M.Yu.Karpinsky, E.D. Karpinskaya, L.D. Goncharova // Trauma, 2017. - №1. - P. 17-24.




DOI: https://doi.org/10.22141/1608-1706.3.19.2018.136403

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