Coordination disorders in patients with osteoporotic compression vertebral fractures

1 Makarova E.V., 1 Marchenkova L.A., 1 Shakurova L.R., 1 Eremushkin M.A., 1 Styazkina E.M., 1 Chesnikova E.I., 2 Novikov A.V., 2 Malysheva T.B.

1 «National Medical Research Center of Rehabilitation and Balneology», Moscow, Russia
2 «University Clinic of Privolzhsky Research Medical University», Nizhny Novgorod, Russia


Abstract:

The aim of our study was to evaluate coordination disorders and identify associated risk factors in patients withosteoporosis (OP) with vertebral compression fractures (VF). The study group consisted of 60 people aged 65.43 ± 7.12 yearswith osteoporotic VF. The control group included 30 people aged 61.97 ± 5.22 years with OP without VF. Bone mineral densityusing stabilometry, functional tests, level 25 (OH) D3 was evaluated. In patients with VFs coordination abilities were lowerthan in individuals without fractures: according to stabilometry, a lower balance coefficient was found with open (p = 0.000)and closed eyes (p=0.03), a greater displacement and greater medio-lateral deviation (p=0.01 and p=0.025), lower speed ofcenter of pressure (CP) displacement (p=0.01). Patients in the main group maintained poor balance standing on left leg withopen (p=0.05) and closed eyes (p = 0.05) in One-leg-standing test, and also had significant deviation to the side in Fukuuda-Unterberger test (p=0.02). Conclusions: 1) OP, regardless of the presence of VF, leads to poor coordination abilities. 2) Thefunctions of static and dynamic balance suffer, a shift in the center of gravity is observed. 3) The presence of VFs in OP leadsto a more pronounced decrease in patient coordination abilities. 4) Multiple VFs, advanced age, low body weight, durationof menopause, a decrease in the level of 25 (OH) D3 – factors associated with impaired coordination in patients with OP.

Keywords: osteoporosis, vertebral fractures, coordination, balance, falls, rehabilitation, postural disorders.



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