Features of statographic indicators of patients with coxarthrosis before and after arthroplasty

Authors

  • S.E. Bondarenko State Institution “Sytenko Institute of Spine and Joint Pathology of the National Academy of Medical Sciences of Ukraine”, Kharkiv, Ukraine, Ukraine
  • A. Badnaui State Institution “Sytenko Institute of Spine and Joint Pathology of the National Academy of Medical Sciences of Ukraine”, Kharkiv, Ukraine, Ukraine
  • O.D. Karpinskaya State Institution “Sytenko Institute of Spine and Joint Pathology of the National Academy of Medical Sciences of Ukraine”, Kharkiv, Ukraine, Ukraine

DOI:

https://doi.org/10.22141/1608-1706.4.22.2021.239707

Keywords:

coxarthrosis, support ability, arthroplasty

Abstract

Background. Degenerative diseases of the hip joints are accompanied not only by pain, but also by changes in the anatomical proportions of the joint. Hip replacement eliminates pain syndrome, in most patients the anatomical proportions of the joints are restored, but if the clinical outcome of arthroplasty can be assessed radiologically, the result of functional recovery is difficult to assess, especially in dynamics. Statographic research today is one of the main diagnostic methods to monitor the recovery of patients after orthopedic surgeries. Purpose: according to statographic studies to determine the parameters that reflect the functional ability of patients to maintain an upright posture and monitor their changes in the recovery process after hip replacement surgery. Materials and methods. We examined 50 patients with degenerative diseases of the hip joint before and after arthroplasty. Data from standard study protocols were analyzed. Results. Before the operation, the oscillation coefficient differs markedly from the norm for all types of stance. Six months after surgery, normalization of swing is observed at single and double leg stance on a healthy extremity, but for the prosthetic limb, the oscillation coefficient does not improve significantly. Before the operation in double leg stance, there was a shift of the center of mass towards a healthy limb, after 6 months the deviation is significantly reduced. At single leg stance, there is a noticeable shift of the body towards a healthy limb, which decreases after arthroplasty. After surgery, patients have a decrease in the deviation of the body backwards in all types of stance, as well as a decrease in the rotation of the body in single leg stance, the load on the operated limb increases. Conclusions. In patients with coxarthrosis, the support ability of the damaged limb is impaired, which is confirmed by the displacement of the center of mass towards a healthy limb, the load on the foot of the affected limb decreases, the ability to maintain balance is reduced in both double and leg single stance. Monitoring these parameters is a mean to control the restoration of the function of maintaining the balance in patients after hip arthroplasty.

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Published

2021-09-17

Issue

Section

Original Researches