Spine stabilization in patients with the thoracic and lumbar vertebrae fractures in reduced bone mineral density

Author:

Afaunov A. A.1ORCID,Basankin I. V.2ORCID,Takhmazyan K. K.2ORCID,Mukhanov M. L.1ORCID,Chaikin N. S.3ORCID

Affiliation:

1. Kuban State Medical University

2. Scientific Research Institute – Ochapovsky Regional Clinical Hospital no. 1

3. Stavropol Regional Clinical Hospital

Abstract

Objective To compare the clinical effectiveness of various technical and tactical options for surgical treatment of patients with thoracic and lumbar vertebrae fractures with reduced bone mineral density.Material and Methods The study included 238 patients with the thoracic and lumbar vertebrae fractures with reduced bone mineral density (BMD). The patients were aged between 48 and 85 with T-score –1.5 to –3.5. The study did not include the patients with recurrent or multiple vertebral fractures, with absence of the clear date and fact of fracture in the case history, with neurological complications or polytrauma. The patients had fractures А1.2, А1.3, В1.2, В2.3 according to the classification of Magerl (1992). All patients underwent bisegmental transpedicular fixation (TPF). Group 1 included 68 patients who underwent non-cement augmented transpedicular screw fixation. Group 2 included 170 patients who underwent cement augmented transpedicular fixation. Both groups were divided into 2 subgroups. Subgroups 1.1 and 2.1 included patients operated in two stages. The first stage was TPF and the second stage was anterior corporodesis. Subgroups 1.2 и 2.2 included patients who underwent only TPF. Outcomes and complications were studied. The observation period lasted for not less than 2 years. Correlation analysis was performed between the technique of performing operations and surgical tactics in four subgroups and treatment outcomes.Conclusion 1. In the treatment of patients with fractures in the thoracic or lumbar spine with reduced BMD, isolated TPF with cemented screw implantation is clinically equivalent to two-stage surgical treatment - TPF with cementless or cemented implantation and anterior corprodesis of injured FPS. 2. In cementless TPF in patients with decreased BMD, anterior corprodesis of the injured VMS is necessary because its failure leads to the loss of anatomical relationship correction achieved during surgery, increase in local kyphosis, and functional maladaptation of patients.

Publisher

Scientific Research Institute - Ochapovsky Regional Clinical Hospital No 1

Subject

General Earth and Planetary Sciences,General Environmental Science

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