Traumatology

doi: 10.25005/2074-0581-2021-23-1-60-66
AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES

P.P. Zuev, Yu.A. Barabash, I.A. Norkin, D.V. Ivanov, O.A. Kauts, K.A. Grazhdanov, A.P. Barabash

Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian Federation

Objective: The assessment of clinical testing results of the new intramedullary rod which design features neutralize the disadvantages of conventional blocking devices.

Methods: The research involved 15 patients with ununited femoral shafts fractures underwent intramedullary revision osteosynthesis with BNB rods. The analysis of surgical management was performed using the standardized system of bone fractures outcomes and their consequences (Standardized Outcome Assessment-1, SOA-1) as well as the modified Radiographic Union Score (mRUS).

Results: The examination reveals positive dynamics 2 months after the revision osteosynthesis with BNB rods. The mean rehabilitation rate by the SOA1 was 75.3±0.6 percent, it was 84.0±1.2 percent (p<0.001) in 6 months after the surgery and 90.8±2.7 percent (p>0.05) by the 12th month. Considering mRUS scores, the degree of consolidation of the femoral fracture in patients 2 months after surgery using the BNB rod corresponded to 5.0±0.2 points, to 13.3±0.8 points (p<0.001) in 6 months and to 14.8±1.0 points (p>0.05) by the 12th month. In 1 case (6.7%) out of 15, no union of the fractured fragments was observed.

Conclusion: The technical solutions implemented in the BNB intramedullary rod contribute to the autodynamization of the bone-implant system under the action of a controlled load and muscle power on the limb without additional surgical interventions, which makes it possible to shorten the rehabilitation period for patients, resulting in the reduction of treatment expenses for this cohort of patients.

Keywords: Ununited fructure, femoral bone, intramedullary osteosynthesis, false joint.

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Authors' information:


Zuev Pavel Pavlovich
Candidate of Medical Sciences, Junior Researcher, Department of Innovative Management Technologies for Treatment and Rehabilitation; Trauma Orthopedist, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: G-7101-2018
ORCID ID: 0000-0002-0324-6503
Author ID: 916590
SPIN: 1521-7718
E-mail: pasha.zuiev@mail.ru`

Barabash Yuriy Anatolievich
Doctor of Medical Sciences, Chief Researcher, Department of Innovative Projects for Traumatology and Orthopedics, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: H-2368-2018
Scopus ID: 57191888834
ORCID ID:0000-0002-8602-2715
Author ID: 639074
SPIN: 2479-2371
E-mail: yubarabash@yandex.ru

Norkin Igor Alekseevich
Doctor of Medical Sciences, Full Professor, Head of the Department of Traumatology and Orthopedics, V.I. Razumovsky Saratov State Medical University; Deputy Director for Development, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: B-1958-2017
Scopus ID: 6602239365
ORCID ID: 0000-0002-6770-3398
Author ID: 638852
SPIN: 9253-7993
E-mail: sarniito@yandex.ru

Ivanov Dmitriy Valerievich
Candidate of Physical and Mathematical Sciences, Analyst, Department of Intellectual Property and Technology Transfer, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: D-4750-2013
Scopus ID: 57214204189
ORCID ID: 0000-0003-1640-6091
Author ID: 201794
SPIN: 4459-1094
E-mail: ivanovdv@gmail.com

Kauts Oleg Andreevich
Candidate of Medical Sciences, Senior Researcher, Department of Innovative Projects for Traumatology and Orthopedics, Trauma Orthopedist in the Trauma Orthopedics Department № 3, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: A-7998-2018
Scopus ID: 57201429811
ORCID ID: 0000-0003-1822-1939
Author ID: 632695
SPIN: 1305-6629
E-mail: оandreevich2009@yandex.ru

Grazhdanov Konstantin Aleksandrovich
Candidate of Medical Sciences, Senior Researcher, Department of Innovative Projects for Traumatology and Orthopedics, Trauma Orthopedist in the Trauma Orthopedics Department № 1, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University
Researcher ID: G-7094-2018
Scopus ID: 57201431887
ORCID ID: 0000-0002-3523-4494
Author ID: 633499
SPIN: 3651-9306
E-mail: koctas1976@mail.ru

Barabash Anatoliy Petrovich
Doctor of Medical Sciences, Professor of the Department of Traumatology and Orthopedics, V.I. Razumovsky Saratov State Medical University
Researcher ID: G-6976-2018
Scopus ID: 7007134570
ORCID: 0000-0002-1877-7315
Author ID: 104282
SPIN: 7174-5184
E-mail: yubarabash@yandex.ru

Information about support in the form of grants, equipment, medications

The work was carried out according to the plan of scientific research works of Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University (registration number – АААА-А18‑118060790019‑0). The authors did not receive financial support from manufacturers of medicines and medical equipment

Conflicts of interest: No conflict

Address for correspondence:


Zuev Pavel Pavlovich
Candidate of Medical Sciences, Junior Researcher, Department of Innovative Management Technologies for Treatment and Rehabilitation; Trauma Orthopedist, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University

410002, Russian Federation, Saratov, Chernyshevskogo Str., 148

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E-mail: bib@sarniito.com

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